diff --git a/assets/brand-logo-final.png b/assets/brand-logo-final.png
new file mode 100644
index 0000000..304e5e2
Binary files /dev/null and b/assets/brand-logo-final.png differ
diff --git a/assets/prism-reference-light.png b/assets/prism-reference-light.png
new file mode 100644
index 0000000..eab591e
Binary files /dev/null and b/assets/prism-reference-light.png differ
diff --git a/index.html b/index.html
index af7cab0..8eeeb05 100644
--- a/index.html
+++ b/index.html
@@ -5,7 +5,21 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="description" content="海南荣刻科技有限公司，专注数据治理、人工智能、垂类模型优化与模型私有化部署，为企业提供数据到 AI 落地的全链路解决方案。">
     <meta name="theme-color" content="#061018">
+    <link rel="icon" type="image/png" href="./assets/brand-logo-final.png">
     <title data-i18n="title">海南荣刻科技有限公司 - 数据筑基 · AI 落地</title>
+    <script>
+        (function () {
+            const validThemes = ['system', 'light', 'dark'];
+            let preference = 'system';
+            try { preference = localStorage.getItem('site_theme') || 'system'; } catch (error) { /* Storage may be disabled. */ }
+            if (!validThemes.includes(preference)) preference = 'system';
+            const resolved = preference === 'system'
+                ? (window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light')
+                : preference;
+            document.documentElement.dataset.themePreference = preference;
+            document.documentElement.dataset.theme = resolved;
+        })();
+    </script>
     <style>
         *, *::before, *::after { box-sizing: border-box; }
 
@@ -42,6 +56,41 @@
             --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
         }
 
+        :root[data-theme="light"] {
+            color-scheme: light;
+            --ink-1000: #071329;
+            --ink-950: #f7faff;
+            --ink-900: #eef4ff;
+            --ink-850: #e8effb;
+            --ink-800: #dce7f8;
+            --paper: #eef4ff;
+            --white: #071329;
+            --text: #0b1830;
+            --text-soft: #4d5d77;
+            --text-faint: #75839a;
+            --cyan: #146cf2;
+            --cyan-bright: #0c55cf;
+            --blue: #335cff;
+            --violet: #8066e8;
+            --success: #168b73;
+            --warning: #c67a21;
+            --line: rgba(19, 48, 96, .12);
+            --line-strong: rgba(20, 108, 242, .32);
+            --surface: rgba(255, 255, 255, .7);
+            --surface-solid: #ffffff;
+            --ambient: 0 28px 90px rgba(31, 67, 128, .13);
+            --glow: 0 0 52px rgba(51, 92, 255, .09);
+        }
+
+        :root[data-theme="dark"] {
+            color-scheme: dark;
+            --cyan: #47e5ef;
+            --cyan-bright: #8bfbff;
+            --blue: #42a5ff;
+            --violet: #8982ff;
+            --warning: #ff9b52;
+        }
+
         html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-height) + 20px); }
         body {
             margin: 0;
@@ -50,7 +99,7 @@
             background: var(--ink-950);
             color: var(--text);
             font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
-            font-size: 16px;
+            font-size: 17px;
             line-height: 1.7;
             -webkit-font-smoothing: antialiased;
             text-rendering: optimizeLegibility;
@@ -116,15 +165,18 @@
         .brand-mark {
             display: grid;
             place-items: center;
-            width: 34px;
-            height: 34px;
-            border: 1px solid var(--line-strong);
-            border-radius: 9px;
-            background: linear-gradient(145deg, rgba(54, 228, 218, .16), rgba(74, 141, 255, .05));
-            color: var(--cyan-bright);
-            font: 700 11px/1 var(--mono);
-            box-shadow: inset 0 0 18px rgba(54, 228, 218, .08);
+            width: 38px;
+            height: 38px;
+            flex: 0 0 38px;
         }
+        .brand-mark img {
+            display: block;
+            width: 100%;
+            height: 100%;
+            object-fit: contain;
+            transition: filter .35s ease, transform .35s var(--ease);
+        }
+        .brand:hover .brand-mark img { transform: rotate(-4deg) scale(1.04); }
         .brand-copy { display: flex; flex-direction: column; line-height: 1.15; }
         .brand-name { color: var(--white); font-weight: 750; letter-spacing: .04em; }
         .brand-en { margin-top: 4px; color: var(--text-faint); font: 500 8px/1 var(--mono); letter-spacing: .16em; }
@@ -134,7 +186,7 @@
             position: relative;
             padding-block: 9px;
             color: var(--text-soft);
-            font-size: 14px;
+            font-size: 15px;
             font-weight: 550;
             transition: color .2s ease;
         }
@@ -155,6 +207,39 @@
         .nav-link.active::after { opacity: 1; transform: translateX(-50%) scale(1); }
 
         .nav-actions { display: flex; align-items: center; gap: 10px; }
+        .theme-switch {
+            display: inline-flex;
+            align-items: center;
+            gap: 3px;
+            min-height: 38px;
+            padding: 3px;
+            border: 1px solid var(--line);
+            border-radius: 9px;
+            background: rgba(255, 255, 255, .025);
+            transition: border-color .2s ease, background .2s ease;
+        }
+        .theme-switch:hover { border-color: var(--line-strong); background: rgba(54, 228, 218, .04); }
+        .theme-option {
+            position: relative;
+            display: inline-grid;
+            place-items: center;
+            align-items: center;
+            width: 30px;
+            height: 30px;
+            padding: 0;
+            border: 0;
+            border-radius: 6px;
+            background: transparent;
+            color: var(--text-soft);
+            cursor: pointer;
+            transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
+        }
+        .theme-option:hover { background: color-mix(in srgb, var(--cyan) 8%, transparent); transform: translateY(-1px); }
+        .theme-option[aria-checked="true"] { background: color-mix(in srgb, var(--cyan) 14%, transparent); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cyan) 28%, transparent); }
+        .theme-option-icon { width: 13px; height: 13px; border: 1px solid var(--line-strong); border-radius: 50%; box-shadow: 0 0 10px color-mix(in srgb, var(--cyan) 16%, transparent); }
+        .theme-option-icon.system { background: linear-gradient(90deg, #f7fbff 0 49%, #0a1721 51% 100%); }
+        .theme-option-icon.light { background: #eef7ff; box-shadow: 0 0 0 2px rgba(51, 92, 255, .11), 0 0 9px rgba(74, 141, 255, .22); }
+        .theme-option-icon.dark { background: #07131d; box-shadow: inset -3px 0 0 #54ddea, 0 0 9px rgba(54, 228, 218, .18); }
         .lang-switch {
             display: inline-flex;
             padding: 3px;
@@ -169,7 +254,7 @@
             border-radius: 6px;
             background: transparent;
             color: var(--text-faint);
-            font: 650 11px/1.4 var(--mono);
+            font: 650 12px/1.4 var(--mono);
             cursor: pointer;
         }
         .lang-btn.active { color: var(--ink-1000); background: var(--cyan); }
@@ -179,11 +264,11 @@
             align-items: center;
             justify-content: center;
             gap: 10px;
-            min-height: 46px;
+            min-height: 50px;
             border: 1px solid transparent;
             border-radius: 10px;
             padding: 0 20px;
-            font-size: 14px;
+            font-size: 15px;
             font-weight: 700;
             cursor: pointer;
             transition: transform .25s var(--ease), box-shadow .25s ease, border-color .25s ease, background .25s ease;
@@ -220,7 +305,7 @@
             content: "";
             position: absolute;
             inset: 0;
-            z-index: -2;
+            z-index: 1;
             opacity: .45;
             background-image: linear-gradient(rgba(176, 235, 237, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(176, 235, 237, .045) 1px, transparent 1px);
             background-size: 56px 56px;
@@ -231,13 +316,81 @@
             content: "";
             position: absolute;
             inset: auto 0 0;
-            z-index: -1;
+            z-index: 1;
             height: 220px;
             background: linear-gradient(transparent, rgba(9, 23, 33, .96));
             pointer-events: none;
         }
 
+        .hero-webgl {
+            position: absolute;
+            inset: 0;
+            z-index: 0;
+            overflow: hidden;
+            pointer-events: none;
+        }
+        .hero-webgl canvas { width: 100%; height: 100%; display: block; opacity: 0; transition: opacity .7s ease; }
+        .hero-webgl.is-ready canvas { opacity: 1; }
+        .webgl-fallback {
+            position: absolute;
+            inset: 0;
+            background:
+                radial-gradient(circle at 74% 34%, rgba(71, 229, 239, .2), transparent 19%),
+                radial-gradient(ellipse at 82% 48%, rgba(225, 233, 238, .16), transparent 34%),
+                linear-gradient(150deg, transparent 42%, rgba(255, 255, 255, .05) 58%, transparent 72%);
+            transition: opacity .5s ease;
+        }
+        .hero-webgl.is-ready .webgl-fallback { opacity: 0; }
+        .hero-webgl.has-error .webgl-fallback { opacity: 1; }
+
+        .hero-copy { position: relative; z-index: 2; }
+        .hero-spatial {
+            position: relative;
+            z-index: 2;
+            min-height: 560px;
+            pointer-events: none;
+        }
+        .scene-axis {
+            position: absolute;
+            color: var(--text-faint);
+            font: 600 9px/1.45 var(--mono);
+            letter-spacing: .12em;
+            text-transform: uppercase;
+        }
+        .scene-axis { top: 44px; right: 12px; writing-mode: vertical-rl; }
+        .hero-capabilities { position: absolute; inset: 0; }
+        .hero-capability {
+            position: absolute;
+            min-width: 128px;
+            padding-top: 13px;
+            color: var(--text);
+            text-align: left;
+        }
+        .hero-capability::before {
+            content: "";
+            position: absolute;
+            top: 0;
+            left: 0;
+            width: 76px;
+            height: 1px;
+            background: linear-gradient(90deg, var(--cyan), transparent);
+            box-shadow: 0 0 14px color-mix(in srgb, var(--cyan) 44%, transparent);
+        }
+        .hero-capability-code {
+            display: block;
+            margin-bottom: 6px;
+            color: var(--cyan);
+            font: 700 10px/1 var(--mono);
+            letter-spacing: .16em;
+        }
+        .hero-capability strong { display: block; font-size: 16px; line-height: 1.35; letter-spacing: .015em; }
+        .hero-capability--data { left: 2%; bottom: 11%; }
+        .hero-capability--model { left: 27%; bottom: -12%; }
+        .hero-capability--deploy { right: -70px; top: 45%; }
+
         .hero-layout {
+            position: relative;
+            z-index: 2;
             display: grid;
             grid-template-columns: minmax(0, .88fr) minmax(520px, 1.12fr);
             align-items: center;
@@ -250,7 +403,7 @@
             gap: 10px;
             margin-bottom: 24px;
             color: var(--cyan);
-            font: 650 11px/1.4 var(--mono);
+            font: 650 12px/1.4 var(--mono);
             letter-spacing: .14em;
             text-transform: uppercase;
         }
@@ -261,13 +414,13 @@
             max-width: 660px;
             margin-bottom: 26px;
             color: var(--white);
-            font-size: clamp(48px, 4.45vw, 64px);
+            font-size: clamp(52px, 5.4vw, 76px);
             font-weight: 780;
             line-height: 1.06;
             letter-spacing: -.055em;
         }
         .hero h1 .accent { color: var(--cyan-bright); text-shadow: 0 0 36px rgba(114, 255, 241, .16); }
-        .hero-description { max-width: 590px; margin-bottom: 36px; color: var(--text-soft); font-size: clamp(16px, 1.45vw, 18px); line-height: 1.85; }
+        .hero-description { max-width: 620px; margin-bottom: 38px; color: var(--text-soft); font-size: clamp(18px, 1.5vw, 20px); line-height: 1.78; }
         .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; }
         .button-primary { color: var(--ink-1000); background: var(--cyan); }
         .button-secondary { border-color: var(--line); color: var(--text); background: rgba(255, 255, 255, .025); }
@@ -275,7 +428,7 @@
         .button-arrow { font-family: var(--mono); transition: transform .2s ease; }
         .button:hover .button-arrow { transform: translateX(3px); }
 
-        .hero-proof { display: flex; flex-wrap: wrap; gap: 22px; color: var(--text-faint); font: 550 11px/1.4 var(--mono); letter-spacing: .06em; }
+        .hero-proof { display: flex; flex-wrap: wrap; gap: 24px; color: var(--text-faint); font: 550 13px/1.5 var(--mono); letter-spacing: .045em; }
         .hero-proof span { display: inline-flex; align-items: center; gap: 8px; }
         .hero-proof span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--success); box-shadow: 0 0 10px rgba(121, 239, 169, .6); }
 
@@ -406,34 +559,21 @@
         .console-progress { width: 96px; height: 3px; overflow: hidden; border-radius: 3px; background: rgba(255, 255, 255, .08); }
         .console-progress i { display: block; width: 76%; height: 100%; background: linear-gradient(90deg, var(--blue), var(--cyan)); box-shadow: 0 0 10px var(--cyan); }
 
-        .signal-bar {
-            position: relative;
-            z-index: 2;
-            display: grid;
-            grid-template-columns: repeat(4, 1fr);
-            margin-top: 76px;
-            border-block: 1px solid var(--line);
-        }
-        .signal-item { padding: 21px 24px; border-right: 1px solid var(--line); }
-        .signal-item:last-child { border-right: 0; }
-        .signal-index { display: block; margin-bottom: 6px; color: var(--cyan); font: 650 9px/1 var(--mono); letter-spacing: .12em; }
-        .signal-name { color: var(--text-soft); font-size: 13px; font-weight: 600; }
-
         .section { position: relative; padding: 124px 0; overflow: hidden; }
         .section-header { display: grid; grid-template-columns: minmax(0, .8fr) minmax(300px, .48fr); align-items: end; gap: 64px; margin-bottom: 60px; }
-        .section-number { display: block; margin-bottom: 18px; color: var(--cyan); font: 650 10px/1 var(--mono); letter-spacing: .14em; }
+        .section-number { display: block; margin-bottom: 18px; color: var(--cyan); font: 650 11px/1 var(--mono); letter-spacing: .14em; }
         .section-title { max-width: 760px; margin-bottom: 0; color: var(--white); font-size: clamp(38px, 4.25vw, 58px); font-weight: 750; line-height: 1.1; letter-spacing: -.045em; }
-        .section-desc { max-width: 520px; margin-bottom: 0; color: var(--text-soft); font-size: 16px; line-height: 1.85; }
+        .section-desc { max-width: 550px; margin-bottom: 0; color: var(--text-soft); font-size: 18px; line-height: 1.78; }
 
         .about { background: #091721; }
         .about::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 88% 22%, rgba(74, 141, 255, .08), transparent 25%); }
         .about-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(480px, 1.2fr); gap: 70px; align-items: start; }
-        .about-copy p { color: var(--text-soft); font-size: 16px; line-height: 1.95; }
+        .about-copy p { color: var(--text-soft); font-size: 17px; line-height: 1.9; }
         .about-copy p + p { margin-top: 20px; }
         .about-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 34px; }
         .fact { padding: 20px; border-top: 1px solid var(--line-strong); background: linear-gradient(180deg, rgba(54, 228, 218, .04), transparent); }
         .fact strong { display: block; margin-bottom: 8px; color: var(--white); font: 700 28px/1 var(--mono); }
-        .fact span { color: var(--text-faint); font-size: 12px; }
+        .fact span { color: var(--text-faint); font-size: 14px; }
 
         .capability-chain { position: relative; display: grid; gap: 10px; }
         .chain-card {
@@ -450,8 +590,8 @@
         }
         .chain-card:hover { border-color: var(--line-strong); background: rgba(54, 228, 218, .035); transform: translateX(4px); }
         .chain-index { display: grid; place-items: center; width: 54px; height: 54px; border: 1px solid var(--line); border-radius: 12px; color: var(--cyan); font: 700 12px/1 var(--mono); }
-        .chain-copy h3 { margin-bottom: 4px; color: var(--white); font-size: 17px; }
-        .chain-copy p { margin-bottom: 0; color: var(--text-faint); font-size: 12px; line-height: 1.55; }
+        .chain-copy h3 { margin-bottom: 6px; color: var(--white); font-size: 19px; }
+        .chain-copy p { margin-bottom: 0; color: var(--text-faint); font-size: 14px; line-height: 1.65; }
         .chain-state { color: var(--success); font: 650 8px/1 var(--mono); letter-spacing: .1em; }
 
         .services { background: var(--ink-950); }
@@ -459,6 +599,8 @@
         .services-layout { position: relative; display: grid; grid-template-columns: 1.18fr .82fr .82fr; gap: 14px; }
         .service-card {
             position: relative;
+            display: flex;
+            flex-direction: column;
             min-height: 280px;
             padding: 28px;
             border: 1px solid var(--line);
@@ -471,57 +613,62 @@
         .service-card.featured { grid-row: span 2; min-height: 574px; padding: 34px; background: linear-gradient(155deg, rgba(54, 228, 218, .105), rgba(13, 29, 41, .72) 46%, rgba(74, 141, 255, .06)); }
         .service-card::after { content: ""; position: absolute; top: 0; left: 26px; right: 26px; height: 1px; background: linear-gradient(90deg, transparent, rgba(114, 255, 241, .46), transparent); opacity: 0; transition: opacity .3s; }
         .service-card:hover::after, .service-card.featured::after { opacity: 1; }
-        .service-code { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 70px; color: var(--cyan); font: 650 9px/1 var(--mono); letter-spacing: .11em; }
-        .featured .service-code { margin-bottom: 105px; }
+        .service-code { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 42px; color: var(--cyan); font: 650 10px/1 var(--mono); letter-spacing: .11em; }
+        .service-content { margin-top: auto; }
+        .featured .service-code { margin-bottom: 72px; }
         .service-state { color: var(--text-faint); }
-        .service-card h3 { max-width: 390px; margin-bottom: 14px; color: var(--white); font-size: 23px; line-height: 1.3; letter-spacing: -.025em; }
-        .featured h3 { font-size: 34px; }
-        .service-card p { margin-bottom: 0; color: var(--text-soft); font-size: 13px; line-height: 1.8; }
+        .service-card h3 { max-width: 410px; margin-bottom: 14px; color: var(--white); font-size: 25px; line-height: 1.3; letter-spacing: -.025em; }
+        .featured h3 { font-size: 36px; }
+        .service-card p { margin-bottom: 0; color: var(--text-soft); font-size: 15px; line-height: 1.78; }
         .service-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 32px; }
-        .service-tag { padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px; color: var(--text-faint); background: rgba(0, 0, 0, .12); font: 550 8px/1 var(--mono); letter-spacing: .06em; }
+        .service-tag { padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; color: var(--text-faint); background: rgba(0, 0, 0, .12); font: 550 9px/1 var(--mono); letter-spacing: .06em; }
 
-        .advantages { background: var(--paper); color: #102129; }
-        .advantages .section-number { color: #087c78; }
-        .advantages .section-title { color: #07161c; }
-        .advantages .section-desc { color: #52666d; }
-        .proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(9, 50, 58, .13); border-radius: 20px; overflow: hidden; background: var(--white); box-shadow: 0 24px 80px rgba(8, 28, 34, .08); }
-        .proof-card { min-height: 330px; padding: 28px; border-right: 1px solid rgba(9, 50, 58, .1); }
+        .advantages { background: var(--ink-950); color: var(--text); }
+        .advantages .section-number { color: var(--cyan); }
+        .advantages .section-title { color: var(--white); }
+        .advantages .section-desc { color: var(--text-soft); }
+        .proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; background: var(--surface); box-shadow: var(--ambient); }
+        .proof-card { min-height: 330px; padding: 28px; border-right: 1px solid var(--line); }
         .proof-card:last-child { border-right: 0; }
-        .proof-code { display: block; margin-bottom: 92px; color: #168985; font: 700 10px/1 var(--mono); letter-spacing: .12em; }
-        .proof-card h3 { margin-bottom: 14px; color: #0a1d24; font-size: 20px; line-height: 1.35; letter-spacing: -.02em; }
-        .proof-card p { margin-bottom: 0; color: #667980; font-size: 13px; line-height: 1.8; }
+        .proof-code { display: block; margin-bottom: 86px; color: var(--cyan); font: 700 11px/1 var(--mono); letter-spacing: .12em; }
+        .proof-card h3 { margin-bottom: 14px; color: var(--white); font-size: 22px; line-height: 1.35; letter-spacing: -.02em; }
+        .proof-card p { margin-bottom: 0; color: var(--text-soft); font-size: 15px; line-height: 1.78; }
 
         .offices { background: #08141d; }
         .office-network { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
         .office-card { position: relative; min-height: 380px; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: linear-gradient(150deg, rgba(74, 141, 255, .07), rgba(13, 29, 41, .72)); }
         .office-card:last-child { background: linear-gradient(150deg, rgba(54, 228, 218, .07), rgba(13, 29, 41, .72)); }
-        .office-coordinate { display: flex; align-items: center; justify-content: space-between; margin-bottom: 94px; color: var(--text-faint); font: 600 9px/1 var(--mono); letter-spacing: .11em; }
+        .office-coordinate { display: flex; align-items: center; justify-content: space-between; margin-bottom: 90px; color: var(--text-faint); font: 600 10px/1 var(--mono); letter-spacing: .11em; }
         .office-live { display: inline-flex; align-items: center; gap: 7px; color: var(--success); }
         .office-live::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }
-        .office-card h3 { margin-bottom: 14px; color: var(--white); font-size: 28px; letter-spacing: -.03em; }
-        .office-card p { max-width: 470px; margin-bottom: 28px; color: var(--text-soft); font-size: 14px; line-height: 1.85; }
+        .office-card h3 { margin-bottom: 14px; color: var(--white); font-size: 30px; letter-spacing: -.03em; }
+        .office-card p { max-width: 500px; margin-bottom: 28px; color: var(--text-soft); font-size: 16px; line-height: 1.78; }
         .office-tags { display: flex; flex-wrap: wrap; gap: 8px; }
-        .office-tag { padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; color: var(--text-faint); font: 550 8px/1 var(--mono); letter-spacing: .07em; }
+        .office-tag { padding: 8px 11px; border: 1px solid var(--line); border-radius: 7px; color: var(--text-faint); font: 550 9px/1 var(--mono); letter-spacing: .07em; }
 
         .contact { padding: 124px 0 70px; background: var(--ink-1000); }
         .contact-shell { position: relative; padding: clamp(34px, 5vw, 66px); border: 1px solid rgba(114, 255, 241, .2); border-radius: 28px; overflow: hidden; background: linear-gradient(135deg, rgba(54, 228, 218, .09), rgba(74, 141, 255, .045) 45%, rgba(146, 119, 255, .055)); box-shadow: var(--ambient); }
         .contact-shell::before { content: ""; position: absolute; width: 360px; height: 360px; right: -130px; top: -180px; border-radius: 50%; background: rgba(54, 228, 218, .1); filter: blur(65px); }
         .contact-head { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 40px; margin-bottom: 58px; }
         .contact h2 { max-width: 760px; margin-bottom: 0; color: var(--white); font-size: clamp(40px, 5vw, 68px); line-height: 1.08; letter-spacing: -.05em; }
-        .contact-lead { max-width: 330px; margin-bottom: 4px; color: var(--text-soft); font-size: 14px; line-height: 1.8; }
+        .contact-lead { max-width: 360px; margin-bottom: 4px; color: var(--text-soft); font-size: 16px; line-height: 1.78; }
         .contact-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
         .contact-item { min-height: 160px; padding: 28px 26px 0 0; }
         .contact-item + .contact-item { padding-left: 26px; border-left: 1px solid var(--line); }
-        .contact-label { display: block; margin-bottom: 22px; color: var(--cyan); font: 650 9px/1 var(--mono); letter-spacing: .11em; }
-        .contact-item h3 { margin-bottom: 9px; color: var(--white); font-size: 17px; }
-        .contact-value { display: inline-block; color: var(--text-soft); font-size: 14px; overflow-wrap: anywhere; transition: color .2s ease; }
+        .contact-label { display: block; margin-bottom: 22px; color: var(--cyan); font: 650 10px/1 var(--mono); letter-spacing: .11em; }
+        .contact-item h3 { margin-bottom: 9px; color: var(--white); font-size: 19px; }
+        .contact-value { display: inline-block; color: var(--text-soft); font-size: 16px; overflow-wrap: anywhere; transition: color .2s ease; }
         a.contact-value:hover { color: var(--cyan-bright); }
 
         footer { padding: 0 0 34px; background: var(--ink-1000); }
-        .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 28px; border-top: 1px solid var(--line); color: var(--text-faint); font-size: 11px; }
-        .footer-signal { color: var(--text-faint); font: 550 8px/1 var(--mono); letter-spacing: .1em; }
+        .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 28px; border-top: 1px solid var(--line); color: var(--text-faint); font-size: 13px; }
+        .footer-signal { color: var(--text-faint); font: 550 9px/1 var(--mono); letter-spacing: .1em; }
 
-        .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
+        .reveal {
+            opacity: 0;
+            transform: translateY(26px);
+            transition: opacity .7s var(--ease), transform .7s var(--ease);
+        }
         .reveal.is-visible { opacity: 1; transform: translateY(0); }
         .delay-1 { transition-delay: .08s; }
         .delay-2 { transition-delay: .16s; }
@@ -530,6 +677,90 @@
         @keyframes statusPulse { 0%, 100% { opacity: 1; } 50% { opacity: .38; } }
         @keyframes scan { from { left: -4%; } to { left: 104%; } }
 
+        body, .navbar, .nav-links, .hero, .section, .contact, footer, .service-card, .chain-card, .office-card, .contact-shell, .proof-grid {
+            transition: color .35s ease, background-color .35s ease, border-color .35s ease, box-shadow .35s ease;
+        }
+
+        :root[data-theme="dark"] .hero {
+            background: radial-gradient(circle at 82% 28%, rgba(71, 229, 239, .08), transparent 24%), linear-gradient(180deg, #05070a 0%, #090d12 64%, #0a1118 100%);
+        }
+        :root[data-theme="dark"] .brand-mark img { filter: brightness(1.85) saturate(1.08) drop-shadow(0 0 9px rgba(71, 229, 239, .16)); }
+        :root[data-theme="dark"] .hero::before { opacity: .2; }
+        :root[data-theme="dark"] .hero::after { background: linear-gradient(transparent, rgba(9, 17, 24, .98)); }
+        :root[data-theme="dark"] .hero h1 .accent { color: #87dfff; text-shadow: 0 0 34px rgba(71, 229, 239, .16); }
+        :root[data-theme="dark"] .hero-capability { color: #edf4f7; }
+        :root[data-theme="dark"] .contact-shell { border-color: rgba(71, 229, 239, .18); background: linear-gradient(135deg, rgba(225, 233, 238, .075), rgba(71, 229, 239, .04) 52%, rgba(255, 155, 82, .035)); }
+
+        :root[data-theme="light"] .navbar { background: rgba(250, 252, 255, .72); }
+        :root[data-theme="light"] .navbar.scrolled { background: rgba(250, 252, 255, .93); box-shadow: 0 12px 40px rgba(35, 53, 87, .08); }
+        :root[data-theme="light"] .lang-switch,
+        :root[data-theme="light"] .theme-switch,
+        :root[data-theme="light"] .menu-btn { background: rgba(255, 255, 255, .58); }
+        :root[data-theme="light"] .nav-cta,
+        :root[data-theme="light"] .button-primary,
+        :root[data-theme="light"] .lang-btn.active { color: #fff; }
+        :root[data-theme="light"] .button-secondary { background: rgba(255, 255, 255, .58); }
+
+        :root[data-theme="light"] .hero {
+            background: radial-gradient(circle at 76% 34%, rgba(99, 205, 255, .16), transparent 24%), linear-gradient(180deg, #fbfdff 0%, #f4f8ff 72%, #eef4ff 100%);
+        }
+        :root[data-theme="light"] .hero::before { opacity: .28; background-image: linear-gradient(rgba(37, 84, 153, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(37, 84, 153, .055) 1px, transparent 1px); }
+        :root[data-theme="light"] .hero::after { background: linear-gradient(transparent, rgba(238, 244, 255, .98)); }
+        :root[data-theme="light"] .hero h1 .accent { color: #125ad4; text-shadow: none; }
+        :root[data-theme="light"] .webgl-fallback { background: radial-gradient(circle at 76% 36%, rgba(87, 204, 255, .34), transparent 18%), conic-gradient(from 205deg at 75% 42%, transparent, rgba(103, 103, 255, .18), rgba(255, 185, 102, .2), transparent 30%), linear-gradient(180deg, #fbfdff, #eef4ff); }
+
+        :root[data-theme="light"] .about,
+        :root[data-theme="light"] .services,
+        :root[data-theme="light"] .offices { background: var(--ink-900); }
+        :root[data-theme="light"] .about::before { background: radial-gradient(circle at 88% 22%, color-mix(in srgb, var(--blue) 12%, transparent), transparent 28%); }
+        :root[data-theme="light"] .chain-card { background: rgba(255, 255, 255, .58); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .62); }
+        :root[data-theme="light"] .chain-card:hover { background: rgba(255, 255, 255, .86); }
+        :root[data-theme="light"] .service-card { background: rgba(255, 255, 255, .66); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .72); }
+        :root[data-theme="light"] .service-card:hover { background: rgba(255, 255, 255, .9); box-shadow: 0 24px 60px rgba(55, 70, 112, .12); }
+        :root[data-theme="light"] .service-card.featured { background: linear-gradient(150deg, rgba(83, 177, 255, .16), rgba(255, 255, 255, .8) 45%, rgba(104, 93, 239, .08)); }
+        :root[data-theme="light"] .service-tag { background: rgba(255, 255, 255, .5); }
+        :root[data-theme="light"] .office-card,
+        :root[data-theme="light"] .office-card:last-child { background: linear-gradient(150deg, rgba(255, 255, 255, .76), color-mix(in srgb, var(--blue) 7%, var(--ink-900))); }
+        :root[data-theme="light"] .advantages { background: #f7faff; }
+        :root[data-theme="light"] .proof-grid { background: rgba(255, 255, 255, .82); }
+        :root[data-theme="light"] .contact,
+        :root[data-theme="light"] footer { background: var(--ink-950); }
+        :root[data-theme="light"] .contact-shell { border-color: rgba(20, 108, 242, .2); background: linear-gradient(135deg, rgba(70, 178, 255, .12), rgba(255, 255, 255, .7) 45%, rgba(123, 102, 232, .1)); }
+        :root[data-theme="light"] .contact-shell::before { background: color-mix(in srgb, var(--cyan) 18%, transparent); }
+
+        @media (max-width: 1100px) {
+            .hero-spatial { width: min(100%, 760px); min-height: 420px; margin-left: auto; }
+        }
+
+        @media (max-width: 860px) {
+            :root[data-theme="light"] .nav-links { background: rgba(250, 252, 255, .98); }
+        }
+
+        @media (max-width: 620px) {
+            .hero-layout { gap: 28px; }
+            .hero-spatial { min-height: 280px; }
+            .scene-axis { top: 18px; right: 4px; }
+            .hero-capabilities {
+                inset: auto 0 0;
+                display: grid;
+                grid-template-columns: repeat(3, minmax(0, 1fr));
+                gap: 8px;
+            }
+            .hero-capability {
+                position: relative;
+                inset: auto;
+                min-width: 0;
+                padding: 11px 8px 0;
+                border-top: 1px solid var(--line);
+            }
+            .hero-capability::before { display: none; }
+            .hero-capability-code { margin-bottom: 5px; font-size: 8px; }
+            .hero-capability strong { font-size: 13px; white-space: nowrap; }
+            .hero-webgl::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
+            :root[data-theme="dark"] .hero-webgl::after { background: linear-gradient(180deg, rgba(5, 7, 10, .74) 5%, rgba(5, 7, 10, .52) 42%, rgba(5, 7, 10, .12) 68%, transparent 86%); }
+            :root[data-theme="light"] .hero-webgl::after { background: linear-gradient(180deg, rgba(250, 253, 255, .8) 5%, rgba(250, 253, 255, .52) 46%, rgba(250, 253, 255, .1) 74%, transparent); }
+        }
+
         @supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
             .navbar { background: rgba(6, 16, 24, .96); }
             .console { background: #07131c; }
@@ -549,7 +780,7 @@
             .featured .service-code { margin-bottom: 110px; }
             .proof-grid { grid-template-columns: repeat(2, 1fr); }
             .proof-card:nth-child(2) { border-right: 0; }
-            .proof-card:nth-child(-n+2) { border-bottom: 1px solid rgba(9, 50, 58, .1); }
+            .proof-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
         }
 
         @media (max-width: 860px) {
@@ -577,9 +808,6 @@
             .hero { padding-top: 126px; }
             .hero-layout { gap: 58px; }
             .hero h1 { font-size: clamp(45px, 10vw, 68px); }
-            .signal-bar { grid-template-columns: repeat(2, 1fr); }
-            .signal-item:nth-child(2) { border-right: 0; }
-            .signal-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
             .section { padding: 96px 0; }
             .section-header { grid-template-columns: 1fr; gap: 24px; margin-bottom: 46px; }
             .office-network { grid-template-columns: 1fr; }
@@ -595,10 +823,21 @@
             .hero { padding: 112px 0 64px; background: radial-gradient(circle at 78% 18%, rgba(54, 228, 218, .11), transparent 25%), linear-gradient(180deg, #061018, #091721); }
             .hero::before { background-size: 42px 42px; }
             .hero h1 { font-size: clamp(40px, 13.5vw, 58px); }
-            .hero-description { font-size: 15px; }
+            .hero-description { font-size: 17px; line-height: 1.72; }
             .hero-actions { display: grid; }
             .button { width: 100%; }
-            .hero-proof { display: grid; grid-template-columns: 1fr; gap: 10px; }
+            .hero-proof {
+                display: grid;
+                grid-template-columns: 1fr;
+                gap: 10px;
+                padding: 14px 16px;
+                border: 1px solid var(--line);
+                border-radius: 14px;
+                background: color-mix(in srgb, var(--ink-950) 78%, transparent);
+                color: var(--text-soft);
+                backdrop-filter: blur(14px);
+                -webkit-backdrop-filter: blur(14px);
+            }
             .console-header { padding-inline: 14px; }
             .window-label { font-size: 8px; }
             .console-body { grid-template-columns: 1fr; }
@@ -616,7 +855,6 @@
             .engine-node-name strong { font-size: 9px; }
             .metric { padding: 11px 8px; }
             .metric strong { font-size: 15px; }
-            .signal-item { padding: 17px 14px; }
             .section-title { font-size: 38px; }
             .about-facts { grid-template-columns: 1fr; }
             .chain-card { grid-template-columns: 46px 1fr; padding: 16px; }
@@ -628,7 +866,7 @@
             .service-code, .featured .service-code { margin-bottom: 70px; }
             .featured h3 { font-size: 28px; }
             .proof-grid { grid-template-columns: 1fr; }
-            .proof-card { min-height: 250px; border-right: 0; border-bottom: 1px solid rgba(9, 50, 58, .1); }
+            .proof-card { min-height: 250px; border-right: 0; border-bottom: 1px solid var(--line); }
             .proof-card:last-child { border-bottom: 0; }
             .proof-code { margin-bottom: 56px; }
             .office-card { min-height: 340px; padding: 26px; }
@@ -653,7 +891,7 @@
     <nav class="navbar" id="navbar" aria-label="主导航" data-i18n-aria="nav_label">
         <div class="nav-inner">
             <a class="brand" href="#home" aria-label="荣刻科技首页" data-i18n-aria="home_label">
-                <span class="brand-mark" aria-hidden="true">RK</span>
+                <span class="brand-mark" aria-hidden="true"><img src="./assets/brand-logo-final.png" alt=""></span>
                 <span class="brand-copy">
                     <span class="brand-name" data-i18n="brand">荣刻科技</span>
                     <span class="brand-en">RONCARVE TECHNOLOGY</span>
@@ -666,6 +904,17 @@
                 <a class="nav-link" href="#advantages" data-i18n="nav_advantages">核心优势</a>
                 <a class="nav-link" href="#offices" data-i18n="nav_offices">交付网络</a>
                 <div class="nav-actions">
+                    <div class="theme-switch" id="themeSwitch" role="radiogroup" aria-label="外观模式" data-i18n-aria="theme_label">
+                        <button class="theme-option" type="button" role="radio" aria-checked="true" data-theme-option="system" aria-label="跟随系统" data-i18n-aria="theme_system">
+                            <span class="theme-option-icon system" aria-hidden="true"></span>
+                        </button>
+                        <button class="theme-option" type="button" role="radio" aria-checked="false" data-theme-option="light" aria-label="浅色外观" data-i18n-aria="theme_light">
+                            <span class="theme-option-icon light" aria-hidden="true"></span>
+                        </button>
+                        <button class="theme-option" type="button" role="radio" aria-checked="false" data-theme-option="dark" aria-label="深色外观" data-i18n-aria="theme_dark">
+                            <span class="theme-option-icon dark" aria-hidden="true"></span>
+                        </button>
+                    </div>
                     <div class="lang-switch" id="langSwitch" aria-label="语言切换" data-i18n-aria="lang_label">
                         <button class="lang-btn active" type="button" data-lang="zh" aria-pressed="true">中</button>
                         <button class="lang-btn" type="button" data-lang="en" aria-pressed="false">EN</button>
@@ -682,10 +931,14 @@
 
     <main id="main">
         <section class="hero" id="home">
+            <div class="hero-webgl" id="heroWebgl" aria-hidden="true">
+                <canvas id="heroWebglCanvas"></canvas>
+                <div class="webgl-fallback"></div>
+            </div>
             <div class="container">
                 <div class="hero-layout">
                     <div class="hero-copy reveal is-visible">
-                        <span class="eyebrow" data-i18n="hero_eyebrow">AI + DATA INFRASTRUCTURE</span>
+                        <span class="eyebrow" data-i18n="hero_eyebrow">AI 与数据基础设施</span>
                         <h1><span data-i18n="hero_line1">让企业数据</span><br><span class="accent" data-i18n="hero_line2">成为 AI 生产力</span></h1>
                         <p class="hero-description" data-i18n="hero_desc">从数据治理、模型优化到私有化部署，荣刻科技为企业构建可落地、可持续、可掌控的 AI 能力体系。</p>
                         <div class="hero-actions">
@@ -699,59 +952,22 @@
                         </div>
                     </div>
 
-                    <div class="control-room reveal delay-1" aria-label="AI 数据控制台示意">
-                        <div class="console">
-                            <div class="console-header">
-                                <div class="window-label"><span class="window-dots" aria-hidden="true"><i></i><i></i><i></i></span> RONCARVE / AI CONTROL ROOM</div>
-                                <span class="system-status" data-i18n="console_online">SYSTEM ONLINE</span>
-                            </div>
-                            <div class="console-body">
-                                <aside class="pipeline-nav" aria-label="AI 落地链路">
-                                    <p class="pipeline-title">PIPELINE</p>
-                                    <div class="pipeline-step active"><span class="step-index">01</span><span class="step-copy" data-i18n="pipe_data">数据接入<small>DATA INTAKE</small></span></div>
-                                    <div class="pipeline-step"><span class="step-index">02</span><span class="step-copy" data-i18n="pipe_govern">治理加工<small>GOVERN</small></span></div>
-                                    <div class="pipeline-step"><span class="step-index">03</span><span class="step-copy" data-i18n="pipe_model">模型编排<small>ORCHESTRATE</small></span></div>
-                                    <div class="pipeline-step"><span class="step-index">04</span><span class="step-copy" data-i18n="pipe_deploy">安全部署<small>DEPLOY</small></span></div>
-                                </aside>
-                                <div class="orchestrator">
-                                    <div class="orchestrator-head">
-                                        <div>
-                                            <p class="orchestrator-kicker">INTELLIGENCE ORCHESTRATOR</p>
-                                            <h2 data-i18n="console_title">企业 AI 能力编排中枢</h2>
-                                        </div>
-                                        <span class="live-badge">LIVE</span>
-                                    </div>
-                                    <div class="engine-map">
-                                        <div class="engine-node"><span class="engine-node-name"><strong data-i18n="node_data">企业数据底座</strong><small>DATA FOUNDATION</small></span><i class="node-state"></i></div>
-                                        <div class="engine-node"><span class="engine-node-name"><strong data-i18n="node_knowledge">行业知识库</strong><small>KNOWLEDGE BASE</small></span><i class="node-state blue"></i></div>
-                                        <div class="engine-node"><span class="engine-node-name"><strong data-i18n="node_model">垂类模型</strong><small>VERTICAL MODEL</small></span><i class="node-state violet"></i></div>
-                                        <div class="engine-node"><span class="engine-node-name"><strong data-i18n="node_private">私有部署环境</strong><small>PRIVATE CLOUD</small></span><i class="node-state green"></i></div>
-                                    </div>
-                                    <div class="metric-grid">
-                                        <div class="metric"><span class="metric-label" data-i18n="metric_data">DATA EXP.</span><strong>7<em> YRS</em></strong></div>
-                                        <div class="metric"><span class="metric-label" data-i18n="metric_projects">DELIVERED</span><strong>30<em> +</em></strong></div>
-                                        <div class="metric"><span class="metric-label" data-i18n="metric_clients">CLIENTS</span><strong>10<em> +</em></strong></div>
-                                    </div>
-                                    <div class="console-foot"><span>SECURE PIPELINE · FULL-CHAIN DELIVERY</span><span class="console-progress"><i></i></span></div>
-                                </div>
-                            </div>
+                    <div class="hero-spatial reveal delay-1" aria-hidden="true">
+                        <span class="scene-axis" data-i18n="scene_axis">THREE.JS / GPU 实时渲染</span>
+                        <div class="hero-capabilities">
+                            <div class="hero-capability hero-capability--data"><span class="hero-capability-code" data-i18n="signal_code_data">数据</span><strong data-i18n="signal1">数据治理</strong></div>
+                            <div class="hero-capability hero-capability--model"><span class="hero-capability-code" data-i18n="signal_code_model">模型</span><strong data-i18n="signal2">模型优化</strong></div>
+                            <div class="hero-capability hero-capability--deploy"><span class="hero-capability-code" data-i18n="signal_code_deploy">部署</span><strong data-i18n="signal3">私有化部署</strong></div>
                         </div>
                     </div>
                 </div>
-
-                <div class="signal-bar reveal delay-2" aria-label="全链路能力">
-                    <div class="signal-item"><span class="signal-index">01 / DATA</span><span class="signal-name" data-i18n="signal1">数据治理</span></div>
-                    <div class="signal-item"><span class="signal-index">02 / MODEL</span><span class="signal-name" data-i18n="signal2">模型优化</span></div>
-                    <div class="signal-item"><span class="signal-index">03 / DEPLOY</span><span class="signal-name" data-i18n="signal3">私有部署</span></div>
-                    <div class="signal-item"><span class="signal-index">04 / OPERATE</span><span class="signal-name" data-i18n="signal4">持续运营</span></div>
-                </div>
             </div>
         </section>
 
         <section class="section about" id="about">
             <div class="container">
                 <div class="section-header reveal">
-                    <div><span class="section-number">01 / CAPABILITY CHAIN</span><h2 class="section-title" data-i18n="about_title">从数据底座到 AI 业务价值</h2></div>
+                    <div><span class="section-number" data-i18n="section_about">01 / 能力链路</span><h2 class="section-title" data-i18n="about_title">从数据底座到 AI 业务价值</h2></div>
                     <p class="section-desc" data-i18n="about_desc">我们不是只交付一个模型，而是围绕企业数据、场景与安全边界，搭建完整的 AI 落地链路。</p>
                 </div>
                 <div class="about-grid">
@@ -759,15 +975,15 @@
                         <p data-i18n="about_p1">荣刻科技早年深耕数据治理与数据加工处理，形成了扎实的数据工程能力。伴随人工智能技术发展，公司进一步拓展 AI 业务，构建“数据 + 模型 + 部署 + 运营”的双轮驱动体系。</p>
                         <p data-i18n="about_p2">核心团队汇聚国内顶尖高校人才与一线互联网企业资深从业者，在成都、海口设有办公场地，具备从技术研发到项目交付的完整服务能力。</p>
                         <div class="about-facts">
-                            <div class="fact"><strong>7 YEARS</strong><span data-i18n="about_fact1">数据治理与加工经验</span></div>
-                            <div class="fact"><strong>2 CITIES</strong><span data-i18n="about_fact2">研发与运营协同网络</span></div>
+                            <div class="fact"><strong data-i18n="fact_years">7 年</strong><span data-i18n="about_fact1">数据治理与加工经验</span></div>
+                            <div class="fact"><strong data-i18n="fact_cities">2 城</strong><span data-i18n="about_fact2">研发与运营协同网络</span></div>
                         </div>
                     </div>
                     <div class="capability-chain">
-                        <article class="chain-card reveal"><span class="chain-index">01</span><div class="chain-copy"><h3 data-i18n="chain1_title">数据治理</h3><p data-i18n="chain1_desc">清洗、标注、加工与知识资产沉淀</p></div><span class="chain-state">READY</span></article>
-                        <article class="chain-card reveal delay-1"><span class="chain-index">02</span><div class="chain-copy"><h3 data-i18n="chain2_title">模型与应用</h3><p data-i18n="chain2_desc">智能对话、客服、音频与行业模型优化</p></div><span class="chain-state">READY</span></article>
-                        <article class="chain-card reveal delay-2"><span class="chain-index">03</span><div class="chain-copy"><h3 data-i18n="chain3_title">安全部署</h3><p data-i18n="chain3_desc">私有环境交付，核心数据保持域内流转</p></div><span class="chain-state">SECURE</span></article>
-                        <article class="chain-card reveal delay-3"><span class="chain-index">04</span><div class="chain-copy"><h3 data-i18n="chain4_title">持续运营</h3><p data-i18n="chain4_desc">效果评估、流程优化与业务能力迭代</p></div><span class="chain-state">ACTIVE</span></article>
+                        <article class="chain-card reveal"><span class="chain-index">01</span><div class="chain-copy"><h3 data-i18n="chain1_title">数据治理</h3><p data-i18n="chain1_desc">清洗、标注、加工与知识资产沉淀</p></div><span class="chain-state" data-i18n="state_ready">就绪</span></article>
+                        <article class="chain-card reveal delay-1"><span class="chain-index">02</span><div class="chain-copy"><h3 data-i18n="chain2_title">模型与应用</h3><p data-i18n="chain2_desc">智能对话、客服、音频与行业模型优化</p></div><span class="chain-state" data-i18n="state_ready">就绪</span></article>
+                        <article class="chain-card reveal delay-2"><span class="chain-index">03</span><div class="chain-copy"><h3 data-i18n="chain3_title">安全部署</h3><p data-i18n="chain3_desc">私有环境交付，核心数据保持域内流转</p></div><span class="chain-state" data-i18n="state_secure">安全</span></article>
+                        <article class="chain-card reveal delay-3"><span class="chain-index">04</span><div class="chain-copy"><h3 data-i18n="chain4_title">持续运营</h3><p data-i18n="chain4_desc">效果评估、流程优化与业务能力迭代</p></div><span class="chain-state" data-i18n="state_active">运行中</span></article>
                     </div>
                 </div>
             </div>
@@ -776,21 +992,22 @@
         <section class="section services" id="services">
             <div class="container">
                 <div class="section-header reveal">
-                    <div><span class="section-number">02 / SOLUTIONS</span><h2 class="section-title" data-i18n="services_title">让 AI 真正进入业务流程</h2></div>
+                    <div><span class="section-number" data-i18n="section_services">02 / 解决方案</span><h2 class="section-title" data-i18n="services_title">让 AI 真正进入业务流程</h2></div>
                     <p class="section-desc" data-i18n="services_desc">从标准化产品到定制开发，以企业真实场景为起点，交付可验证、可迭代的 AI 能力。</p>
                 </div>
                 <div class="services-layout">
                     <article class="service-card featured reveal">
-                        <div class="service-code"><span>SYSTEM / CORE</span><span class="service-state">PRIMARY CAPABILITY</span></div>
-                        <h3 data-i18n="srv_core_title">企业 AI 中台与智能升级</h3>
-                        <p data-i18n="srv_core_desc">将知识、模型与业务流程统一编排，让 AI 能力稳定进入决策、运营、客服与内容生产环节。</p>
-                        <div class="service-tags"><span class="service-tag">WORKFLOW</span><span class="service-tag">KNOWLEDGE</span><span class="service-tag">AGENT</span><span class="service-tag">INSIGHT</span></div>
+                        <div class="service-code"><span data-i18n="service_core_code">系统 / 核心</span><span class="service-state" data-i18n="service_primary">核心能力</span></div>
+                        <div class="service-content">
+                            <h3 data-i18n="srv_core_title">企业 AI 中台与智能升级</h3>
+                            <p data-i18n="srv_core_desc">将知识、模型与业务流程统一编排，让 AI 能力稳定进入决策、运营、客服与内容生产环节。</p>
+                            <div class="service-tags"><span class="service-tag" data-i18n="tag_workflow">工作流</span><span class="service-tag" data-i18n="tag_knowledge">知识库</span><span class="service-tag" data-i18n="tag_agent">智能体</span><span class="service-tag" data-i18n="tag_insight">洞察</span></div>
+                        </div>
                     </article>
-                    <article class="service-card reveal delay-1"><div class="service-code"><span>S01</span><span class="service-state">DIALOGUE</span></div><h3 data-i18n="srv1_title">智能对话助手</h3><p data-i18n="srv1_desc">支持多轮交互、知识库问答与情感识别，适配客服、办公和教育场景。</p></article>
-                    <article class="service-card reveal delay-2"><div class="service-code"><span>S02</span><span class="service-state">SERVICE</span></div><h3 data-i18n="srv2_title">企业智能客服</h3><p data-i18n="srv2_desc">覆盖售前咨询、售后支持与工单处理，提升响应效率与服务一致性。</p></article>
-                    <article class="service-card reveal delay-1"><div class="service-code"><span>S03</span><span class="service-state">AUDIO</span></div><h3 data-i18n="srv3_title">AI 音频生成</h3><p data-i18n="srv3_desc">支持多语种、多风格语音内容生产，服务于配音、播报与数字人场景。</p></article>
-                    <article class="service-card reveal delay-2"><div class="service-code"><span>S04</span><span class="service-state">MODEL</span></div><h3 data-i18n="srv4_title">垂类模型优化</h3><p data-i18n="srv4_desc">围绕金融、医疗、法律、制造等场景进行模型微调、评测和持续优化。</p></article>
-                    <article class="service-card reveal"><div class="service-code"><span>S05</span><span class="service-state">PRIVATE</span></div><h3 data-i18n="srv5_title">模型私有化部署</h3><p data-i18n="srv5_desc">构建安全可靠的企业专属模型环境，满足核心数据不出域与高标准合规需求。</p></article>
+                    <article class="service-card reveal delay-1"><div class="service-code"><span>S01</span><span class="service-state" data-i18n="service_dialogue">对话</span></div><div class="service-content"><h3 data-i18n="srv1_title">智能对话助手</h3><p data-i18n="srv1_desc">支持多轮交互、知识库问答与情感识别，适配客服、办公和教育场景。</p></div></article>
+                    <article class="service-card reveal delay-2"><div class="service-code"><span>S02</span><span class="service-state" data-i18n="service_service">服务</span></div><div class="service-content"><h3 data-i18n="srv2_title">企业智能客服</h3><p data-i18n="srv2_desc">覆盖售前咨询、售后支持与工单处理，提升响应效率与服务一致性。</p></div></article>
+                    <article class="service-card reveal delay-1"><div class="service-code"><span>S03</span><span class="service-state" data-i18n="service_audio">音频</span></div><div class="service-content"><h3 data-i18n="srv3_title">AI 音频生成</h3><p data-i18n="srv3_desc">支持多语种、多风格语音内容生产，服务于配音、播报与数字人场景。</p></div></article>
+                    <article class="service-card reveal delay-2"><div class="service-code"><span>S04</span><span class="service-state" data-i18n="service_model">模型</span></div><div class="service-content"><h3 data-i18n="srv4_title">垂类模型优化</h3><p data-i18n="srv4_desc">围绕金融、医疗、法律、制造等场景进行模型微调、评测和持续优化。</p></div></article>
                 </div>
             </div>
         </section>
@@ -798,14 +1015,14 @@
         <section class="section advantages" id="advantages">
             <div class="container">
                 <div class="section-header reveal">
-                    <div><span class="section-number">03 / PROOF</span><h2 class="section-title" data-i18n="adv_title">技术之外，更重视可靠交付</h2></div>
+                    <div><span class="section-number" data-i18n="section_advantages">03 / 交付实力</span><h2 class="section-title" data-i18n="adv_title">技术之外，更重视可靠交付</h2></div>
                     <p class="section-desc" data-i18n="adv_desc">成熟的数据能力、跨领域团队和双城服务网络，让方案从概念验证走向长期运行。</p>
                 </div>
                 <div class="proof-grid">
-                    <article class="proof-card reveal"><span class="proof-code">P01 / TEAM</span><h3 data-i18n="adv1_title">复合型核心团队</h3><p data-i18n="adv1_desc">核心成员来自国内顶尖高校与一线互联网企业，兼具研发能力和项目经验。</p></article>
-                    <article class="proof-card reveal delay-1"><span class="proof-code">P02 / DATA</span><h3 data-i18n="adv2_title">扎实的数据底座</h3><p data-i18n="adv2_desc">长期的数据治理与加工实践，为知识库、模型训练和 AI 应用提供可靠基础。</p></article>
-                    <article class="proof-card reveal delay-2"><span class="proof-code">P03 / DELIVERY</span><h3 data-i18n="adv3_title">场景化项目交付</h3><p data-i18n="adv3_desc">根据行业、流程与安全边界灵活组合能力，以实际业务指标验证实施效果。</p></article>
-                    <article class="proof-card reveal delay-3"><span class="proof-code">P04 / SERVICE</span><h3 data-i18n="adv4_title">持续服务体系</h3><p data-i18n="adv4_desc">成都研发与海口运营协同，为全国客户提供及时、高效的项目支持。</p></article>
+                    <article class="proof-card reveal"><span class="proof-code" data-i18n="proof_team">P01 / 团队</span><h3 data-i18n="adv1_title">复合型核心团队</h3><p data-i18n="adv1_desc">核心成员来自国内顶尖高校与一线互联网企业，兼具研发能力和项目经验。</p></article>
+                    <article class="proof-card reveal delay-1"><span class="proof-code" data-i18n="proof_data_code">P02 / 数据</span><h3 data-i18n="adv2_title">扎实的数据底座</h3><p data-i18n="adv2_desc">长期的数据治理与加工实践，为知识库、模型训练和 AI 应用提供可靠基础。</p></article>
+                    <article class="proof-card reveal delay-2"><span class="proof-code" data-i18n="proof_delivery_code">P03 / 交付</span><h3 data-i18n="adv3_title">场景化项目交付</h3><p data-i18n="adv3_desc">根据行业、流程与安全边界灵活组合能力，以实际业务指标验证实施效果。</p></article>
+                    <article class="proof-card reveal delay-3"><span class="proof-code" data-i18n="proof_service_code">P04 / 服务</span><h3 data-i18n="adv4_title">持续服务体系</h3><p data-i18n="adv4_desc">成都研发与海口运营协同，为全国客户提供及时、高效的项目支持。</p></article>
                 </div>
             </div>
         </section>
@@ -813,18 +1030,18 @@
         <section class="section offices" id="offices">
             <div class="container">
                 <div class="section-header reveal">
-                    <div><span class="section-number">04 / DELIVERY NETWORK</span><h2 class="section-title" data-i18n="offices_title">双城协同，服务全国</h2></div>
+                    <div><span class="section-number" data-i18n="section_offices">04 / 交付网络</span><h2 class="section-title" data-i18n="offices_title">双城协同，服务全国</h2></div>
                     <p class="section-desc" data-i18n="offices_desc">研发、交付、运营与客户服务相互协同，让项目推进保持清晰节奏与稳定响应。</p>
                 </div>
                 <div class="office-network">
                     <article class="office-card reveal">
-                        <div class="office-coordinate"><span>30.5728° N · 104.0668° E</span><span class="office-live">ONLINE</span></div>
+                        <div class="office-coordinate"><span>30.5728° N · 104.0668° E</span><span class="office-live" data-i18n="office_online">在线</span></div>
                         <h3 data-i18n="office1_title">成都 · 研发中心</h3>
                         <p data-i18n="office1_desc">技术研发与项目交付核心基地，承担 AI 产品研发、模型训练、系统集成与项目实施。</p>
                         <div class="office-tags"><span class="office-tag" data-i18n="office1_tag1">研发总部</span><span class="office-tag" data-i18n="office1_tag2">项目交付</span><span class="office-tag" data-i18n="office1_tag3">技术支持</span></div>
                     </article>
                     <article class="office-card reveal delay-1">
-                        <div class="office-coordinate"><span>20.0440° N · 110.1999° E</span><span class="office-live">ONLINE</span></div>
+                        <div class="office-coordinate"><span>20.0440° N · 110.1999° E</span><span class="office-live" data-i18n="office_online">在线</span></div>
                         <h3 data-i18n="office2_title">海口 · 运营中心</h3>
                         <p data-i18n="office2_desc">商务运营与客户服务基地，负责市场拓展、项目运营管理及华南区域客户服务。</p>
                         <div class="office-tags"><span class="office-tag" data-i18n="office2_tag1">商务运营</span><span class="office-tag" data-i18n="office2_tag2">客户服务</span><span class="office-tag" data-i18n="office2_tag3">华南区域</span></div>
@@ -837,13 +1054,13 @@
             <div class="container">
                 <div class="contact-shell reveal">
                     <div class="contact-head">
-                        <div><span class="section-number">05 / START A PROJECT</span><h2 data-i18n="contact_title">从真实业务场景开始</h2></div>
+                        <div><span class="section-number" data-i18n="section_contact">05 / 启动项目</span><h2 data-i18n="contact_title">从真实业务场景开始</h2></div>
                         <p class="contact-lead" data-i18n="contact_desc">告诉我们你的数据基础、业务目标与安全要求，一起判断 AI 最值得从哪里落地。</p>
                     </div>
                     <div class="contact-grid">
-                        <div class="contact-item"><span class="contact-label">CHANNEL / PHONE</span><h3 data-i18n="contact_phone">电话沟通</h3><a class="contact-value" href="tel:+8618482223118">+86 184 8222 3118</a></div>
-                        <div class="contact-item"><span class="contact-label">CHANNEL / EMAIL</span><h3 data-i18n="contact_email">邮件咨询</h3><a class="contact-value" href="mailto:chermack@163.com">chermack@163.com</a></div>
-                        <div class="contact-item"><span class="contact-label">CHANNEL / WECHAT</span><h3 data-i18n="contact_wechat">微信联系</h3><span class="contact-value" data-i18n="contact_wechat_desc">来电或邮件后获取微信，添加时请备注“商务合作”</span></div>
+                        <div class="contact-item"><span class="contact-label" data-i18n="channel_phone">渠道 / 电话</span><h3 data-i18n="contact_phone">电话沟通</h3><a class="contact-value" href="tel:+8618482223118">+86 184 8222 3118</a></div>
+                        <div class="contact-item"><span class="contact-label" data-i18n="channel_email">渠道 / 邮件</span><h3 data-i18n="contact_email">邮件咨询</h3><a class="contact-value" href="mailto:chermack@163.com">chermack@163.com</a></div>
+                        <div class="contact-item"><span class="contact-label" data-i18n="channel_wechat">渠道 / 微信</span><h3 data-i18n="contact_wechat">微信联系</h3><span class="contact-value" data-i18n="contact_wechat_desc">来电或邮件后获取微信，添加时请备注“商务合作”</span></div>
                     </div>
                 </div>
             </div>
@@ -853,7 +1070,7 @@
     <footer>
         <div class="container footer-inner">
             <span>© <span id="year">2026</span> <span data-i18n="footer_company">海南荣刻科技有限公司</span></span>
-            <span class="footer-signal">DATA-DRIVEN · AI-POWERED · SECURE DELIVERY</span>
+            <span class="footer-signal" data-i18n="footer_signal">数据驱动 · AI 赋能 · 安全交付</span>
         </div>
     </footer>
 
@@ -864,53 +1081,67 @@
         const i18n = {
             zh: {
                 title: '海南荣刻科技有限公司 - 数据筑基 · AI 落地', skip: '跳到主要内容', brand: '荣刻科技', nav_label: '主导航', home_label: '荣刻科技首页', lang_label: '语言切换', menu_open: '打开导航菜单', menu_close: '关闭导航菜单',
+                theme_label: '外观模式选择', theme_system: '跟随系统', theme_light: '浅色外观', theme_dark: '深色外观',
                 nav_about: '能力链路', nav_services: '解决方案', nav_advantages: '核心优势', nav_offices: '交付网络', nav_contact: '预约咨询',
-                hero_eyebrow: 'AI + DATA INFRASTRUCTURE', hero_line1: '让企业数据', hero_line2: '成为 AI 生产力',
+                hero_eyebrow: 'AI 与数据基础设施', hero_line1: '让企业数据', hero_line2: '成为 AI 生产力',
                 hero_desc: '从数据治理、模型优化到私有化部署，荣刻科技为企业构建可落地、可持续、可掌控的 AI 能力体系。',
                 hero_primary: '预约 AI 场景诊断', hero_secondary: '查看解决方案', proof_data: '7 年数据技术积累', proof_private: '支持私有化部署', proof_delivery: '成都 / 海口双城交付',
+                scene_live: '实时生成系统', scene_title: '企业智能系统', scene_desc: '数据 · 模型 · 部署 · 运营', scene_axis: 'THREE.JS / GPU 实时渲染',
                 console_online: '系统在线', pipe_data: '数据接入', pipe_govern: '治理加工', pipe_model: '模型编排', pipe_deploy: '安全部署', console_title: '企业 AI 能力编排中枢',
                 node_data: '企业数据底座', node_knowledge: '行业知识库', node_model: '垂类模型', node_private: '私有部署环境', metric_data: '数据经验', metric_projects: '交付项目', metric_clients: '服务客户',
-                signal1: '数据治理', signal2: '模型优化', signal3: '私有部署', signal4: '持续运营',
+                signal1: '数据治理', signal2: '模型优化', signal3: '私有化部署', signal4: '持续运营', signal_code_data: '数据', signal_code_model: '模型', signal_code_deploy: '部署',
+                section_about: '01 / 能力链路', section_services: '02 / 解决方案', section_advantages: '03 / 交付实力', section_offices: '04 / 交付网络', section_contact: '05 / 启动项目',
                 about_title: '从数据底座到 AI 业务价值', about_desc: '我们不是只交付一个模型，而是围绕企业数据、场景与安全边界，搭建完整的 AI 落地链路。',
                 about_p1: '荣刻科技早年深耕数据治理与数据加工处理，形成了扎实的数据工程能力。伴随人工智能技术发展，公司进一步拓展 AI 业务，构建“数据 + 模型 + 部署 + 运营”的双轮驱动体系。',
                 about_p2: '核心团队汇聚国内顶尖高校人才与一线互联网企业资深从业者，在成都、海口设有办公场地，具备从技术研发到项目交付的完整服务能力。',
-                about_fact1: '数据治理与加工经验', about_fact2: '研发与运营协同网络',
+                about_fact1: '数据治理与加工经验', about_fact2: '研发与运营协同网络', fact_years: '7 年', fact_cities: '2 城',
                 chain1_title: '数据治理', chain1_desc: '清洗、标注、加工与知识资产沉淀', chain2_title: '模型与应用', chain2_desc: '智能对话、客服、音频与行业模型优化', chain3_title: '安全部署', chain3_desc: '私有环境交付，核心数据保持域内流转', chain4_title: '持续运营', chain4_desc: '效果评估、流程优化与业务能力迭代',
+                state_ready: '就绪', state_secure: '安全', state_active: '运行中',
                 services_title: '让 AI 真正进入业务流程', services_desc: '从标准化产品到定制开发，以企业真实场景为起点，交付可验证、可迭代的 AI 能力。',
                 srv_core_title: '企业 AI 中台与智能升级', srv_core_desc: '将知识、模型与业务流程统一编排，让 AI 能力稳定进入决策、运营、客服与内容生产环节。',
+                service_core_code: '系统 / 核心', service_primary: '核心能力', tag_workflow: '工作流', tag_knowledge: '知识库', tag_agent: '智能体', tag_insight: '洞察',
+                service_dialogue: '对话', service_service: '服务', service_audio: '音频', service_model: '模型',
                 srv1_title: '智能对话助手', srv1_desc: '支持多轮交互、知识库问答与情感识别，适配客服、办公和教育场景。', srv2_title: '企业智能客服', srv2_desc: '覆盖售前咨询、售后支持与工单处理，提升响应效率与服务一致性。',
-                srv3_title: 'AI 音频生成', srv3_desc: '支持多语种、多风格语音内容生产，服务于配音、播报与数字人场景。', srv4_title: '垂类模型优化', srv4_desc: '围绕金融、医疗、法律、制造等场景进行模型微调、评测和持续优化。', srv5_title: '模型私有化部署', srv5_desc: '构建安全可靠的企业专属模型环境，满足核心数据不出域与高标准合规需求。',
+                srv3_title: 'AI 音频生成', srv3_desc: '支持多语种、多风格语音内容生产，服务于配音、播报与数字人场景。', srv4_title: '垂类模型优化', srv4_desc: '围绕金融、医疗、法律、制造等场景进行模型微调、评测和持续优化。',
                 adv_title: '技术之外，更重视可靠交付', adv_desc: '成熟的数据能力、跨领域团队和双城服务网络，让方案从概念验证走向长期运行。',
+                proof_team: 'P01 / 团队', proof_data_code: 'P02 / 数据', proof_delivery_code: 'P03 / 交付', proof_service_code: 'P04 / 服务',
                 adv1_title: '复合型核心团队', adv1_desc: '核心成员来自国内顶尖高校与一线互联网企业，兼具研发能力和项目经验。', adv2_title: '扎实的数据底座', adv2_desc: '长期的数据治理与加工实践，为知识库、模型训练和 AI 应用提供可靠基础。', adv3_title: '场景化项目交付', adv3_desc: '根据行业、流程与安全边界灵活组合能力，以实际业务指标验证实施效果。', adv4_title: '持续服务体系', adv4_desc: '成都研发与海口运营协同，为全国客户提供及时、高效的项目支持。',
                 offices_title: '双城协同，服务全国', offices_desc: '研发、交付、运营与客户服务相互协同，让项目推进保持清晰节奏与稳定响应。',
                 office1_title: '成都 · 研发中心', office1_desc: '技术研发与项目交付核心基地，承担 AI 产品研发、模型训练、系统集成与项目实施。', office1_tag1: '研发总部', office1_tag2: '项目交付', office1_tag3: '技术支持',
-                office2_title: '海口 · 运营中心', office2_desc: '商务运营与客户服务基地，负责市场拓展、项目运营管理及华南区域客户服务。', office2_tag1: '商务运营', office2_tag2: '客户服务', office2_tag3: '华南区域',
-                contact_title: '从真实业务场景开始', contact_desc: '告诉我们你的数据基础、业务目标与安全要求，一起判断 AI 最值得从哪里落地。', contact_phone: '电话沟通', contact_email: '邮件咨询', contact_wechat: '微信联系', contact_wechat_desc: '来电或邮件后获取微信，添加时请备注“商务合作”', footer_company: '海南荣刻科技有限公司'
+                office2_title: '海口 · 运营中心', office2_desc: '商务运营与客户服务基地，负责市场拓展、项目运营管理及华南区域客户服务。', office2_tag1: '商务运营', office2_tag2: '客户服务', office2_tag3: '华南区域', office_online: '在线',
+                contact_title: '从真实业务场景开始', contact_desc: '告诉我们你的数据基础、业务目标与安全要求，一起判断 AI 最值得从哪里落地。', channel_phone: '渠道 / 电话', channel_email: '渠道 / 邮件', channel_wechat: '渠道 / 微信', contact_phone: '电话沟通', contact_email: '邮件咨询', contact_wechat: '微信联系', contact_wechat_desc: '来电或邮件后获取微信，添加时请备注“商务合作”', footer_company: '海南荣刻科技有限公司', footer_signal: '数据驱动 · AI 赋能 · 安全交付'
             },
             en: {
                 title: 'Hainan Roncarve Technology - Data Foundation · AI Delivery', skip: 'Skip to main content', brand: 'Roncarve Tech', nav_label: 'Main navigation', home_label: 'Roncarve Tech home', lang_label: 'Language selector', menu_open: 'Open navigation menu', menu_close: 'Close navigation menu',
+                theme_label: 'Appearance selector', theme_system: 'Follow System', theme_light: 'Light appearance', theme_dark: 'Dark appearance',
                 nav_about: 'Capabilities', nav_services: 'Solutions', nav_advantages: 'Advantages', nav_offices: 'Delivery', nav_contact: 'Book a Call',
                 hero_eyebrow: 'AI + DATA INFRASTRUCTURE', hero_line1: 'Turn enterprise data', hero_line2: 'into AI productivity',
                 hero_desc: 'From data governance and model optimization to private deployment, Roncarve builds practical, sustainable and controllable enterprise AI systems.',
                 hero_primary: 'Book an AI Discovery Call', hero_secondary: 'Explore Solutions', proof_data: '7 years in data technology', proof_private: 'Private deployment ready', proof_delivery: 'Chengdu / Haikou delivery',
+                scene_live: 'LIVE GENERATIVE SYSTEM', scene_title: 'ENTERPRISE INTELLIGENCE', scene_desc: 'DATA · MODEL · DEPLOY · OPERATE', scene_axis: 'THREE.JS / GPU SHADER',
                 console_online: 'SYSTEM ONLINE', pipe_data: 'Data Intake', pipe_govern: 'Govern', pipe_model: 'Orchestrate', pipe_deploy: 'Deploy', console_title: 'Enterprise AI Orchestration Hub',
                 node_data: 'Enterprise Data', node_knowledge: 'Knowledge Base', node_model: 'Vertical Model', node_private: 'Private Environment', metric_data: 'DATA EXP.', metric_projects: 'DELIVERED', metric_clients: 'CLIENTS',
-                signal1: 'Data Governance', signal2: 'Model Optimization', signal3: 'Private Deployment', signal4: 'Continuous Operations',
+                signal1: 'Data Governance', signal2: 'Model Optimization', signal3: 'Private Deployment', signal4: 'Continuous Operations', signal_code_data: 'DATA', signal_code_model: 'MODEL', signal_code_deploy: 'DEPLOY',
+                section_about: '01 / CAPABILITY CHAIN', section_services: '02 / SOLUTIONS', section_advantages: '03 / PROOF', section_offices: '04 / DELIVERY NETWORK', section_contact: '05 / START A PROJECT',
                 about_title: 'From data foundation to AI business value', about_desc: 'We deliver more than a model. We build the complete path around your data, scenarios and security boundaries.',
                 about_p1: 'Roncarve began with deep expertise in data governance and processing, building a strong data engineering foundation. As AI evolved, we expanded into a dual-engine system spanning data, models, deployment and operations.',
                 about_p2: 'Our core team brings together talent from leading Chinese universities and experienced professionals from major internet companies. With offices in Chengdu and Haikou, we cover both R&D and project delivery.',
-                about_fact1: 'Data governance and processing', about_fact2: 'R&D and operations network',
+                about_fact1: 'Data governance and processing', about_fact2: 'R&D and operations network', fact_years: '7 YEARS', fact_cities: '2 CITIES',
                 chain1_title: 'Data Governance', chain1_desc: 'Cleaning, labeling, processing and knowledge assets', chain2_title: 'Models & Apps', chain2_desc: 'Dialogue, service, audio and vertical model tuning', chain3_title: 'Secure Deployment', chain3_desc: 'Private delivery with core data remaining in-domain', chain4_title: 'Continuous Operations', chain4_desc: 'Evaluation, workflow optimization and iteration',
+                state_ready: 'READY', state_secure: 'SECURE', state_active: 'ACTIVE',
                 services_title: 'Put AI inside real business workflows', services_desc: 'From standardized products to custom development, we start with real enterprise scenarios and deliver measurable, iterative AI capabilities.',
                 srv_core_title: 'Enterprise AI Platform & Transformation', srv_core_desc: 'Orchestrate knowledge, models and workflows so AI can reliably support decisions, operations, service and content production.',
+                service_core_code: 'SYSTEM / CORE', service_primary: 'PRIMARY CAPABILITY', tag_workflow: 'WORKFLOW', tag_knowledge: 'KNOWLEDGE', tag_agent: 'AGENT', tag_insight: 'INSIGHT',
+                service_dialogue: 'DIALOGUE', service_service: 'SERVICE', service_audio: 'AUDIO', service_model: 'MODEL',
                 srv1_title: 'Conversational AI', srv1_desc: 'Multi-turn interaction, knowledge Q&A and sentiment recognition for service, office and education.', srv2_title: 'Enterprise AI Service', srv2_desc: 'Cover pre-sales, after-sales and ticket workflows to improve speed and consistency.',
-                srv3_title: 'AI Audio Generation', srv3_desc: 'Multi-language, multi-style voice production for dubbing, broadcasting and digital humans.', srv4_title: 'Vertical Model Tuning', srv4_desc: 'Fine-tuning, evaluation and optimization for finance, healthcare, legal and manufacturing.', srv5_title: 'Private Model Deployment', srv5_desc: 'Secure, dedicated model environments for in-domain data and demanding compliance needs.',
+                srv3_title: 'AI Audio Generation', srv3_desc: 'Multi-language, multi-style voice production for dubbing, broadcasting and digital humans.', srv4_title: 'Vertical Model Tuning', srv4_desc: 'Fine-tuning, evaluation and optimization for finance, healthcare, legal and manufacturing.',
                 adv_title: 'Reliable delivery beyond technology', adv_desc: 'Mature data capabilities, a cross-functional team and a dual-city service network take solutions from proof of concept to long-term operation.',
+                proof_team: 'P01 / TEAM', proof_data_code: 'P02 / DATA', proof_delivery_code: 'P03 / DELIVERY', proof_service_code: 'P04 / SERVICE',
                 adv1_title: 'Cross-functional Core Team', adv1_desc: 'Talent from leading universities and internet companies combines strong R&D with delivery experience.', adv2_title: 'A Solid Data Foundation', adv2_desc: 'Long-term data governance and processing practices support knowledge, training and AI applications.', adv3_title: 'Scenario-based Delivery', adv3_desc: 'Capabilities are composed around industry, process and security needs, then validated by real metrics.', adv4_title: 'Continuous Service', adv4_desc: 'Chengdu R&D and Haikou operations provide responsive support for clients nationwide.',
                 offices_title: 'Two cities, nationwide delivery', offices_desc: 'R&D, delivery, operations and client service work together to keep every project clear and responsive.',
                 office1_title: 'Chengdu · R&D Center', office1_desc: 'Our core R&D and delivery base for AI products, model training, systems integration and implementation.', office1_tag1: 'R&D HQ', office1_tag2: 'Delivery', office1_tag3: 'Tech Support',
-                office2_title: 'Haikou · Operations Center', office2_desc: 'Our business operations and client service base for market development, project operations and Southern China.', office2_tag1: 'Operations', office2_tag2: 'Client Service', office2_tag3: 'South China',
-                contact_title: 'Start with one real business scenario', contact_desc: 'Tell us about your data foundation, business goal and security needs. We will identify where AI can create value first.', contact_phone: 'Call Us', contact_email: 'Email Us', contact_wechat: 'Connect on WeChat', contact_wechat_desc: 'Contact us by phone or email to receive our WeChat details.', footer_company: 'Hainan Roncarve Technology Co., Ltd.'
+                office2_title: 'Haikou · Operations Center', office2_desc: 'Our business operations and client service base for market development, project operations and Southern China.', office2_tag1: 'Operations', office2_tag2: 'Client Service', office2_tag3: 'South China', office_online: 'ONLINE',
+                contact_title: 'Start with one real business scenario', contact_desc: 'Tell us about your data foundation, business goal and security needs. We will identify where AI can create value first.', channel_phone: 'CHANNEL / PHONE', channel_email: 'CHANNEL / EMAIL', channel_wechat: 'CHANNEL / WECHAT', contact_phone: 'Call Us', contact_email: 'Email Us', contact_wechat: 'Connect on WeChat', contact_wechat_desc: 'Contact us by phone or email to receive our WeChat details.', footer_company: 'Hainan Roncarve Technology Co., Ltd.', footer_signal: 'DATA-DRIVEN · AI-POWERED · SECURE DELIVERY'
             }
         };
 
@@ -918,13 +1149,40 @@
         const menuBtn = document.getElementById('menuBtn');
         const navLinks = document.getElementById('navLinks');
         const langSwitch = document.getElementById('langSwitch');
+        const themeSwitch = document.getElementById('themeSwitch');
+        const themeQuery = window.matchMedia('(prefers-color-scheme: dark)');
+        const validThemes = ['system', 'light', 'dark'];
         const reduceMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
         let currentLanguage = 'zh';
+        let themePreference = document.documentElement.dataset.themePreference || 'system';
+
+        function resolvedTheme(preference) {
+            return preference === 'system' ? (themeQuery.matches ? 'dark' : 'light') : preference;
+        }
+
+        function applyTheme(preference, persist) {
+            const selected = validThemes.includes(preference) ? preference : 'system';
+            const resolved = resolvedTheme(selected);
+            themePreference = selected;
+            document.documentElement.dataset.themePreference = selected;
+            document.documentElement.dataset.theme = resolved;
+            document.querySelectorAll('[data-theme-option]').forEach(function (button) {
+                button.setAttribute('aria-checked', String(button.dataset.themeOption === selected));
+            });
+            const themeColors = { light: '#f7faff', dark: '#05070a' };
+            const themeMeta = document.querySelector('meta[name="theme-color"]');
+            if (themeMeta) themeMeta.setAttribute('content', themeColors[resolved]);
+            if (persist !== false) {
+                try { localStorage.setItem('site_theme', selected); } catch (error) { /* Storage may be disabled. */ }
+            }
+            window.dispatchEvent(new CustomEvent('roncarve:themechange', { detail: { preference: selected, resolved: resolved } }));
+        }
 
         function applyLanguage(lang) {
             const selected = i18n[lang] ? lang : 'zh';
             currentLanguage = selected;
             document.documentElement.lang = selected === 'zh' ? 'zh-CN' : 'en';
+            document.title = i18n[selected].title;
             document.querySelectorAll('[data-i18n]').forEach(function (element) {
                 const key = element.dataset.i18n;
                 if (i18n[selected][key]) element.textContent = i18n[selected][key];
@@ -955,6 +1213,22 @@
             if (button) applyLanguage(button.dataset.lang);
         });
 
+        themeSwitch.addEventListener('click', function (event) {
+            const button = event.target.closest('[data-theme-option]');
+            if (!button) return;
+            applyTheme(button.dataset.themeOption, true);
+            if (window.matchMedia('(max-width: 860px)').matches) {
+                closeMenu();
+                menuBtn.focus();
+            }
+        });
+
+        const handleSystemTheme = function () {
+            if (themePreference === 'system') applyTheme('system', false);
+        };
+        if (themeQuery.addEventListener) themeQuery.addEventListener('change', handleSystemTheme);
+        else if (themeQuery.addListener) themeQuery.addListener(handleSystemTheme);
+
         menuBtn.addEventListener('click', function () {
             const open = !navLinks.classList.contains('open');
             menuBtn.classList.toggle('open', open);
@@ -965,12 +1239,15 @@
         });
 
         navLinks.querySelectorAll('a').forEach(function (link) { link.addEventListener('click', closeMenu); });
-        document.addEventListener('keydown', function (event) { if (event.key === 'Escape') closeMenu(); });
+        document.addEventListener('keydown', function (event) {
+            if (event.key === 'Escape') closeMenu();
+        });
 
         window.addEventListener('scroll', function () { navbar.classList.toggle('scrolled', window.scrollY > 24); }, { passive: true });
 
-        const observedSections = document.querySelectorAll('main section[id]');
+        const observedSections = Array.from(document.querySelectorAll('main section[id]'));
         const navAnchors = document.querySelectorAll('.nav-link');
+
         const sectionObserver = new IntersectionObserver(function (entries) {
             entries.forEach(function (entry) {
                 if (!entry.isIntersecting) return;
@@ -1006,6 +1283,7 @@
             });
         }
 
+        applyTheme(themePreference, false);
         let savedLang = 'zh';
         try { savedLang = localStorage.getItem('site_lang') || 'zh'; } catch (error) { /* Storage may be disabled. */ }
         applyLanguage(savedLang);
@@ -1013,5 +1291,6 @@
         navbar.classList.toggle('scrolled', window.scrollY > 24);
     })();
     </script>
+    <script type="module" src="./theme-webgl.js?v=20260813h"></script>
 </body>
 </html>
diff --git a/theme-webgl.js b/theme-webgl.js
new file mode 100644
index 0000000..0b5fd49
--- /dev/null
+++ b/theme-webgl.js
@@ -0,0 +1,852 @@
+import * as THREE from './vendor/three.module.min.js';
+
+const root = document.getElementById('heroWebgl');
+const canvas = document.getElementById('heroWebglCanvas');
+
+if (root && canvas) {
+    const reducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
+    const connection = navigator.connection || navigator.mozConnection || navigator.webkitConnection;
+    const lowPower = window.innerWidth < 640 || Boolean(connection && connection.saveData) || (navigator.deviceMemory && navigator.deviceMemory <= 2);
+    const staticMode = reducedMotion || lowPower;
+    let renderer;
+
+    try {
+        renderer = new THREE.WebGLRenderer({
+            canvas,
+            alpha: false,
+            antialias: !lowPower,
+            depth: true,
+            stencil: false,
+            powerPreference: staticMode ? 'low-power' : 'high-performance'
+        });
+    } catch (error) {
+        root.classList.add('has-error');
+    }
+
+    if (renderer) {
+        renderer.outputColorSpace = THREE.SRGBColorSpace;
+        renderer.toneMapping = THREE.ACESFilmicToneMapping;
+        renderer.toneMappingExposure = 0.96;
+        renderer.shadowMap.enabled = !lowPower;
+        renderer.shadowMap.type = THREE.PCFShadowMap;
+        renderer.autoClear = false;
+
+        const resolvedTheme = document.documentElement.dataset.theme || 'light';
+        const initialDark = resolvedTheme === 'dark' ? 1 : 0;
+        const uniforms = {
+            uTime: { value: 0 },
+            uDark: { value: initialDark },
+            uResolution: { value: new THREE.Vector2(1, 1) },
+            uMouse: { value: new THREE.Vector2(0.72, 0.4) }
+        };
+
+        const backgroundScene = new THREE.Scene();
+        const backgroundCamera = new THREE.OrthographicCamera(-1, 1, 1, -1, 0, 1);
+        const backgroundMaterial = new THREE.ShaderMaterial({
+            uniforms,
+            depthTest: false,
+            depthWrite: false,
+            toneMapped: false,
+            vertexShader: `
+                varying vec2 vUv;
+                void main() {
+                    vUv = uv;
+                    gl_Position = vec4(position, 1.0);
+                }
+            `,
+            fragmentShader: `
+                precision highp float;
+                varying vec2 vUv;
+                uniform float uTime;
+                uniform float uDark;
+                uniform vec2 uResolution;
+                uniform vec2 uMouse;
+
+                float hash21(vec2 p) {
+                    p = fract(p * vec2(123.34, 456.21));
+                    p += dot(p, p + 45.32);
+                    return fract(p.x * p.y);
+                }
+
+                float segmentDistance(vec2 p, vec2 a, vec2 b) {
+                    vec2 pa = p - a;
+                    vec2 ba = b - a;
+                    float h = clamp(dot(pa, ba) / dot(ba, ba), 0.0, 1.0);
+                    return length(pa - ba * h);
+                }
+
+                float beam(vec2 p, vec2 a, vec2 b, float width) {
+                    return exp(-segmentDistance(p, a, b) / width);
+                }
+
+                void main() {
+                    vec2 uv = vUv;
+                    float aspect = uResolution.x / max(uResolution.y, 1.0);
+                    vec2 p = uv - 0.5;
+                    p.x *= aspect;
+                    float t = uTime;
+
+                    vec3 lightTop = vec3(0.992, 0.997, 1.0);
+                    vec3 lightBottom = vec3(0.88, 0.93, 1.0);
+                    vec3 darkTop = vec3(0.016, 0.027, 0.044);
+                    vec3 darkBottom = vec3(0.025, 0.055, 0.08);
+                    vec3 color = mix(mix(lightBottom, lightTop, uv.y), mix(darkBottom, darkTop, uv.y), uDark);
+
+                    vec2 focus = vec2(aspect * 0.18 + (uMouse.x - 0.5) * 0.035, -0.12 + (0.5 - uMouse.y) * 0.025);
+                    float halo = exp(-length((p - focus) / vec2(0.48, 0.42)) * 2.2);
+                    color += mix(vec3(0.19, 0.52, 1.0), vec3(0.06, 0.42, 0.72), uDark) * halo * mix(0.12, 0.23, uDark);
+
+                    float skyWash = exp(-length((p - vec2(aspect * 0.37, 0.39)) / vec2(0.52, 0.34)) * 2.0);
+                    color += mix(vec3(0.2, 0.43, 0.78), vec3(0.04, 0.18, 0.36), uDark) * skyWash * mix(0.11, 0.14, uDark);
+
+                    vec2 leftSource = vec2(-aspect * 0.58, -0.38);
+                    vec2 rightTarget = vec2(aspect * 0.62, -0.19);
+                    float cyanBeam = beam(p, leftSource, focus + vec2(-0.06, -0.08), 0.009);
+                    float cyanGlow = beam(p, leftSource, focus + vec2(-0.06, -0.08), 0.055);
+                    float warmBeam = beam(p, focus + vec2(0.04, 0.02), rightTarget, 0.008);
+                    float warmGlow = beam(p, focus + vec2(0.04, 0.02), rightTarget, 0.052);
+                    color += vec3(0.18, 0.88, 1.0) * (cyanBeam * 1.48 + cyanGlow * 0.34);
+                    color += vec3(1.0, 0.58, 0.18) * (warmBeam * 2.05 + warmGlow * 0.4);
+
+                    float spectrumA = beam(p, leftSource + vec2(0.0, 0.025), focus + vec2(0.1, -0.025), 0.0045);
+                    float spectrumB = beam(p, focus + vec2(-0.02, -0.03), rightTarget + vec2(0.0, -0.045), 0.0045);
+                    color += vec3(0.55, 0.42, 1.0) * spectrumA * 0.24;
+                    color += vec3(0.96, 0.35, 0.72) * spectrumB * 0.18;
+
+                    float fiberFlow = 0.0;
+                    for (int index = 0; index < 7; index++) {
+                        float offset = (float(index) - 3.0) * 0.012;
+                        fiberFlow += beam(
+                            p,
+                            leftSource + vec2(0.0, offset),
+                            focus + vec2(-0.07, -0.075 + offset * 0.45),
+                            0.0022
+                        );
+                    }
+                    color += vec3(0.22, 0.92, 1.0) * fiberFlow * mix(0.12, 0.2, uDark);
+
+                    vec2 causticOrigin = focus + vec2(-0.055, -0.16);
+                    vec2 causticVector = p - causticOrigin;
+                    float causticDistance = length(causticVector);
+                    float causticAngle = atan(causticVector.y, causticVector.x);
+                    float causticBands = pow(max(0.0, sin(causticAngle * 18.0 + causticDistance * 5.0 - t * 0.18)), 18.0);
+                    float causticMask = smoothstep(0.05, 0.22, causticDistance) * exp(-causticDistance * 1.75) * smoothstep(0.1, -0.25, p.y);
+                    color += mix(vec3(0.36, 0.78, 1.0), vec3(0.68, 0.34, 1.0), smoothstep(-1.2, 0.5, causticAngle)) * causticBands * causticMask * mix(0.34, 0.44, uDark);
+
+                    float floorMask = smoothstep(0.06, -0.28, p.y);
+                    vec2 gp = p - vec2(0.0, -0.24);
+                    float horizontal = 1.0 - smoothstep(0.0, 0.018, abs(fract((gp.y + 0.55) * 18.0) - 0.5));
+                    float perspectiveX = gp.x / max(0.12, abs(gp.y - 0.34));
+                    float vertical = 1.0 - smoothstep(0.0, 0.025, abs(fract(perspectiveX * 3.2) - 0.5));
+                    float grid = (horizontal * 0.48 + vertical * 0.35) * floorMask;
+                    color += mix(vec3(0.12, 0.34, 0.68), vec3(0.08, 0.48, 0.58), uDark) * grid * mix(0.2, 0.22, uDark);
+
+                    float dust = step(0.993, hash21(floor(p * 190.0 + t * 0.4))) * floorMask;
+                    color += vec3(0.35, 0.9, 1.0) * dust * 0.28;
+                    color += (hash21(p * 210.0) - 0.5) * mix(0.008, 0.014, uDark);
+
+                    float vignette = smoothstep(1.25, 0.2, length((uv - 0.5) * vec2(0.82, 1.0)));
+                    color *= mix(0.95, 1.0, vignette);
+                    gl_FragColor = vec4(color, 1.0);
+                }
+            `
+        });
+        const backgroundGeometry = new THREE.PlaneGeometry(2, 2);
+        backgroundScene.add(new THREE.Mesh(backgroundGeometry, backgroundMaterial));
+
+        const worldScene = new THREE.Scene();
+        const worldCamera = new THREE.PerspectiveCamera(33, 1, 0.1, 50);
+        worldCamera.position.set(0, 0.12, 9.4);
+
+        const hemisphereLight = new THREE.HemisphereLight(0xe8f8ff, 0x0c1830, 1.8);
+        const keyLight = new THREE.DirectionalLight(0xffffff, 5.2);
+        keyLight.position.set(-3.8, 5.6, 5.8);
+        keyLight.castShadow = !lowPower;
+        keyLight.shadow.mapSize.set(lowPower ? 512 : 1024, lowPower ? 512 : 1024);
+        keyLight.shadow.camera.near = 0.5;
+        keyLight.shadow.camera.far = 20;
+        keyLight.shadow.camera.left = -5;
+        keyLight.shadow.camera.right = 5;
+        keyLight.shadow.camera.top = 5;
+        keyLight.shadow.camera.bottom = -5;
+
+        const cyanLight = new THREE.PointLight(0x62dfff, 22, 15, 2);
+        cyanLight.position.set(-3.2, -0.5, 4.4);
+        const blueLight = new THREE.PointLight(0x4e78ff, 16, 13, 2);
+        blueLight.position.set(3.5, 2.1, 3.2);
+        const warmLight = new THREE.PointLight(0xffb75e, 12, 12, 2);
+        warmLight.position.set(3.2, -1.0, 4.8);
+        worldScene.add(hemisphereLight, keyLight, cyanLight, blueLight, warmLight);
+
+        const disposableGeometries = [];
+        const disposableMaterials = [];
+        const trackGeometry = function (geometry) {
+            disposableGeometries.push(geometry);
+            return geometry;
+        };
+        const trackMaterial = function (material) {
+            disposableMaterials.push(material);
+            return material;
+        };
+
+        const environmentScene = new THREE.Scene();
+        environmentScene.background = new THREE.Color(0x06162d);
+
+        function addEnvironmentPanel(color, position, rotation, scale, intensity) {
+            const panelGeometry = trackGeometry(new THREE.PlaneGeometry(scale[0], scale[1]));
+            const panelMaterial = trackMaterial(new THREE.MeshBasicMaterial({
+                color: new THREE.Color(color).multiplyScalar(intensity || 1),
+                side: THREE.DoubleSide
+            }));
+            const panel = new THREE.Mesh(panelGeometry, panelMaterial);
+            panel.position.set(position[0], position[1], position[2]);
+            panel.rotation.set(rotation[0], rotation[1], rotation[2]);
+            environmentScene.add(panel);
+        }
+
+        addEnvironmentPanel(0xffffff, [0, 5.6, 0], [Math.PI / 2, 0, 0], [14, 14], 1.15);
+        addEnvironmentPanel(0x3ceaff, [-5.4, -0.6, 0], [0, Math.PI / 2, 0], [4.2, 13], 1.55);
+        addEnvironmentPanel(0x1e55cf, [5.2, 0.8, -0.8], [0, -Math.PI / 2, 0], [5, 12], 1.45);
+        addEnvironmentPanel(0xffb663, [2.6, -1.2, 5], [0, 0, 0], [3.2, 9], 1.5);
+        addEnvironmentPanel(0x7b62ff, [-2.2, 0.2, -5], [0, 0, 0], [4, 10], 1.35);
+        addEnvironmentPanel(0xffffff, [-1.8, 1.2, 4.8], [0, 0, 0], [0.8, 9], 1.65);
+        const pmremGenerator = new THREE.PMREMGenerator(renderer);
+        pmremGenerator.compileCubemapShader();
+        const environmentTarget = pmremGenerator.fromScene(environmentScene, lowPower ? 0.035 : 0.025, 0.1, 30);
+        pmremGenerator.dispose();
+        worldScene.environment = environmentTarget.texture;
+
+        const crystalShape = new THREE.Shape();
+        crystalShape.moveTo(-1.43, -1.48);
+        crystalShape.lineTo(1.36, -1.48);
+        crystalShape.lineTo(0.06, 2.08);
+        crystalShape.closePath();
+
+        const crystalGeometry = trackGeometry(new THREE.ExtrudeGeometry(crystalShape, {
+            depth: 1.02,
+            bevelEnabled: true,
+            bevelSegments: lowPower ? 1 : 4,
+            bevelSize: 0.065,
+            bevelThickness: 0.1,
+            curveSegments: 1,
+            steps: 1
+        }));
+        crystalGeometry.translate(0, -0.22, -0.51);
+
+        const glassFrontMaterial = trackMaterial(new THREE.MeshPhysicalMaterial({
+            color: 0xc8eaff,
+            roughness: 0.008,
+            metalness: 0,
+            transmission: 0,
+            thickness: 2.8,
+            ior: 1.54,
+            dispersion: lowPower ? 0.06 : 0.19,
+            attenuationColor: new THREE.Color(0x62b8ef),
+            attenuationDistance: 2.6,
+            clearcoat: 1,
+            clearcoatRoughness: 0.006,
+            iridescence: lowPower ? 0.08 : 0.24,
+            iridescenceIOR: 1.34,
+            envMapIntensity: 0.65,
+            specularIntensity: 1,
+            specularColor: new THREE.Color(0xffffff),
+            transparent: true,
+            opacity: 0.055,
+            side: THREE.DoubleSide,
+            depthWrite: false
+        }));
+        glassFrontMaterial.userData.lightColor = new THREE.Color(0xc8eaff);
+        glassFrontMaterial.userData.darkColor = new THREE.Color(0x8ed2f4);
+        glassFrontMaterial.userData.lightOpacity = 0.055;
+        glassFrontMaterial.userData.darkOpacity = 0.1;
+        glassFrontMaterial.userData.lightEnv = 0.65;
+        glassFrontMaterial.userData.darkEnv = 1.1;
+
+        const glassSideMaterial = trackMaterial(new THREE.MeshPhysicalMaterial({
+            color: 0x2766ad,
+            roughness: 0.015,
+            metalness: 0.06,
+            transmission: 0.4,
+            thickness: 3.2,
+            ior: 1.52,
+            dispersion: lowPower ? 0.04 : 0.13,
+            attenuationColor: new THREE.Color(0x164998),
+            attenuationDistance: 1.45,
+            clearcoat: 1,
+            clearcoatRoughness: 0.008,
+            iridescence: lowPower ? 0.04 : 0.16,
+            iridescenceIOR: 1.3,
+            envMapIntensity: 4.5,
+            emissive: new THREE.Color(0x0d2e78),
+            emissiveIntensity: 0.12,
+            transparent: true,
+            opacity: 0.94,
+            side: THREE.DoubleSide,
+            depthWrite: false
+        }));
+        glassSideMaterial.userData.lightColor = new THREE.Color(0x2766ad);
+        glassSideMaterial.userData.darkColor = new THREE.Color(0x1d57a6);
+        glassSideMaterial.userData.lightOpacity = 0.94;
+        glassSideMaterial.userData.darkOpacity = 0.97;
+        glassSideMaterial.userData.lightEnv = 4.5;
+        glassSideMaterial.userData.darkEnv = 5.3;
+        const crystalMaterials = [glassFrontMaterial, glassSideMaterial];
+
+        const crystalMesh = new THREE.Mesh(crystalGeometry, crystalMaterials);
+        crystalMesh.castShadow = !lowPower;
+        crystalMesh.receiveShadow = true;
+        crystalMesh.renderOrder = 1;
+
+        function createCrystalFacet(points, color, opacity, additive, z) {
+            const shape = new THREE.Shape();
+            shape.moveTo(points[0][0], points[0][1]);
+            points.slice(1).forEach(function (point) { shape.lineTo(point[0], point[1]); });
+            shape.closePath();
+            const geometry = trackGeometry(new THREE.ShapeGeometry(shape));
+            const material = trackMaterial(new THREE.MeshBasicMaterial({
+                color,
+                transparent: true,
+                opacity,
+                side: THREE.DoubleSide,
+                depthTest: false,
+                depthWrite: false,
+                toneMapped: false,
+                blending: additive ? THREE.AdditiveBlending : THREE.NormalBlending
+            }));
+            material.userData.lightOpacity = opacity;
+            material.userData.darkOpacity = Math.min(0.68, opacity * 1.28);
+            const facet = new THREE.Mesh(geometry, material);
+            facet.position.z = z || 0.625;
+            facet.renderOrder = additive ? 4 : 3;
+            return { facet, material };
+        }
+
+        const crystalFacets = [
+            createCrystalFacet([[-1.39, -1.65], [1.31, -1.65], [0.05, 1.86]], 0x93d7f1, 0.23, false, 0.615),
+            createCrystalFacet([[-1.36, -1.68], [-0.9, -1.68], [0.05, 1.83], [-0.17, 1.44]], 0x129fd8, 0.42, false),
+            createCrystalFacet([[0.05, 1.83], [0.3, 1.32], [1.29, -1.68], [0.84, -1.68]], 0x082f76, 0.6, false),
+            createCrystalFacet([[-1.36, -1.68], [1.29, -1.68], [0.92, -1.23], [-1.02, -1.23]], 0x2d6fae, 0.38, false),
+            createCrystalFacet([[0.02, 1.68], [0.25, 1.22], [-0.1, 0.84], [-0.25, 1.27]], 0xf8fdff, 0.18, true, 0.64),
+            createCrystalFacet([[-0.25, 1.27], [-1.2, -1.34], [-0.56, -0.61], [-0.1, 0.84]], 0x17a9df, 0.48, false),
+            createCrystalFacet([[-1.23, -1.36], [-0.56, -0.61], [0.18, -1.38]], 0x168bc9, 0.44, false, 0.646),
+            createCrystalFacet([[-0.1, 0.84], [-0.56, -0.61], [0.2, -1.39], [0.46, -0.02]], 0x4ba9dd, 0.46, false),
+            createCrystalFacet([[-0.56, -0.61], [0.46, -0.02], [0.18, -1.38]], 0xbfefff, 0.28, false, 0.648),
+            createCrystalFacet([[-0.72, -0.82], [0.04, 0.74], [0.38, 0.04], [-0.02, -0.72]], 0xd5f5ff, 0.34, false, 0.638),
+            createCrystalFacet([[0.25, 1.22], [0.64, 0.55], [0.46, -0.02], [-0.1, 0.84]], 0xfff8e8, 0.18, true, 0.64),
+            createCrystalFacet([[0.46, -0.02], [0.64, 0.55], [1.12, -1.34], [0.2, -1.39]], 0x0a376e, 0.54, false),
+            createCrystalFacet([[-1.2, -1.34], [0.2, -1.39], [1.12, -1.34], [0.82, -1.04], [-0.86, -1.02]], 0x5acff4, 0.25, true, 0.64),
+            createCrystalFacet([[0.3, 1.32], [0.64, 0.55], [1.12, -1.34], [1.29, -1.68]], 0x06265b, 0.44, false),
+            createCrystalFacet([[0.38, 0.04], [0.72, -0.36], [1.04, -1.2], [0.18, -1.32]], 0xffc982, 0.13, true, 0.644),
+            createCrystalFacet([[-0.17, 1.44], [-0.1, 0.84], [-0.56, -0.61], [-0.9, -1.68]], 0xa7edff, 0.16, true, 0.64),
+            createCrystalFacet([[0.02, 1.68], [0.3, 1.32], [0.25, 1.22]], 0xffffff, 0.25, true, 0.645),
+            createCrystalFacet([[0.02, 1.7], [0.29, 1.31], [0.13, 1.04], [-0.06, 1.35]], 0xff82c8, 0.16, true, 0.65),
+            createCrystalFacet([[0.38, -0.03], [0.83, -0.54], [1.03, -1.16], [0.64, -0.8]], 0xffb867, 0.13, true, 0.651)
+        ];
+        const reflectionMaterials = crystalFacets.map(function (entry) { return entry.material; });
+
+        const spectrumGeometry = trackGeometry(new THREE.ShapeGeometry(crystalShape));
+        spectrumGeometry.translate(0, -0.22, 0);
+        const spectrumMaterial = trackMaterial(new THREE.ShaderMaterial({
+            uniforms: {
+                uTime: uniforms.uTime,
+                uDark: uniforms.uDark
+            },
+            transparent: true,
+            depthTest: false,
+            depthWrite: false,
+            blending: THREE.AdditiveBlending,
+            vertexShader: `
+                varying vec2 vUv;
+                varying vec3 vLocal;
+                void main() {
+                    vUv = uv;
+                    vLocal = position;
+                    gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
+                }
+            `,
+            fragmentShader: `
+                precision highp float;
+                varying vec2 vUv;
+                varying vec3 vLocal;
+                uniform float uTime;
+                uniform float uDark;
+
+                vec3 spectrum(float t) {
+                    return 0.56 + 0.44 * cos(6.28318 * (vec3(0.02, 0.35, 0.68) + t));
+                }
+
+                void main() {
+                    float diagonalA = exp(-abs(vLocal.y - (0.37 * vLocal.x - 0.64)) * 24.0);
+                    float diagonalB = exp(-abs(vLocal.y - (-0.22 * vLocal.x - 0.22)) * 34.0);
+                    float spectralShard = pow(max(0.0, sin(vLocal.x * 8.4 - vLocal.y * 5.7 + uTime * 0.42)), 44.0);
+                    float strength = diagonalA * 0.2 + diagonalB * 0.12 + spectralShard * 0.075;
+                    vec3 color = spectrum(vLocal.x * 0.16 + vLocal.y * 0.08 + uTime * 0.018);
+                    color += vec3(0.76, 0.94, 1.0) * diagonalA * 0.42;
+                    gl_FragColor = vec4(color * strength, strength * mix(0.66, 0.9, uDark));
+                }
+            `
+        }));
+        const spectrumMesh = new THREE.Mesh(spectrumGeometry, spectrumMaterial);
+        spectrumMesh.position.z = 0.655;
+        spectrumMesh.renderOrder = 5;
+        spectrumMesh.userData.noReflection = true;
+
+        function createLightStreak(start, end, color, width, opacity, z) {
+            const deltaX = end[0] - start[0];
+            const deltaY = end[1] - start[1];
+            const length = Math.hypot(deltaX, deltaY);
+            const group = new THREE.Group();
+            [
+                { scale: 7.2, alpha: opacity * 0.12, z: (z || 0.67) - 0.006 },
+                { scale: 2.8, alpha: opacity * 0.28, z: (z || 0.67) - 0.002 },
+                { scale: 1, alpha: opacity, z: z || 0.67 }
+            ].forEach(function (layer) {
+                const geometry = trackGeometry(new THREE.PlaneGeometry(length, width * layer.scale));
+                const material = trackMaterial(new THREE.MeshBasicMaterial({
+                    color,
+                    transparent: true,
+                    opacity: layer.alpha,
+                    depthTest: false,
+                    depthWrite: false,
+                    blending: THREE.AdditiveBlending,
+                    side: THREE.DoubleSide
+                }));
+                const beam = new THREE.Mesh(geometry, material);
+                beam.position.set((start[0] + end[0]) * 0.5, (start[1] + end[1]) * 0.5, layer.z);
+                beam.rotation.z = Math.atan2(deltaY, deltaX);
+                beam.renderOrder = 6;
+                group.add(beam);
+            });
+            group.userData.noReflection = true;
+            return group;
+        }
+
+        const cyanStreak = createLightStreak([-1.42, -1.03], [1.32, -0.16], 0x8df6ff, 0.011, 0.92);
+        const warmStreak = createLightStreak([0.24, -0.13], [1.47, -0.4], 0xffc36c, 0.012, 0.82, 0.69);
+        const violetStreak = createLightStreak([-0.38, -0.52], [0.64, -0.75], 0xb478ff, 0.009, 0.68, 0.69);
+        const rainbowStreak = createLightStreak([-0.08, 0.42], [0.62, 0.04], 0xff78d7, 0.007, 0.48, 0.695);
+
+        const sparklePositions = [];
+        const sparkleCount = lowPower ? 26 : 74;
+        for (let index = 0; index < sparkleCount; index += 1) {
+            const seedA = Math.abs(Math.sin(index * 91.73 + 0.47));
+            const seedB = Math.abs(Math.sin(index * 37.19 + 1.21));
+            const y = -1.57 + seedA * 2.28;
+            const widthAtY = Math.max(0.08, 1.18 * (1 - (y + 1.57) / 3.4));
+            sparklePositions.push((seedB * 2 - 1) * widthAtY, y, 0.69 + (index % 5) * 0.001);
+        }
+        const sparkleGeometry = trackGeometry(new THREE.BufferGeometry());
+        sparkleGeometry.setAttribute('position', new THREE.Float32BufferAttribute(sparklePositions, 3));
+        const sparkleMaterial = trackMaterial(new THREE.ShaderMaterial({
+            uniforms: { uTime: uniforms.uTime, uDark: uniforms.uDark },
+            transparent: true,
+            depthTest: false,
+            depthWrite: false,
+            blending: THREE.AdditiveBlending,
+            vertexShader: `
+                uniform float uTime;
+                varying float vPulse;
+                void main() {
+                    vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);
+                    vPulse = 0.55 + 0.45 * sin(uTime * 1.9 + position.x * 11.0 + position.y * 7.0);
+                    gl_PointSize = (0.075 + vPulse * 0.085) * (260.0 / -mvPosition.z);
+                    gl_Position = projectionMatrix * mvPosition;
+                }
+            `,
+            fragmentShader: `
+                precision highp float;
+                varying float vPulse;
+                uniform float uDark;
+                void main() {
+                    float d = length(gl_PointCoord - 0.5);
+                    float alpha = smoothstep(0.5, 0.06, d) * vPulse * mix(0.34, 0.72, uDark);
+                    vec3 color = mix(vec3(0.48, 0.88, 1.0), vec3(1.0, 0.72, 0.48), vPulse * 0.34);
+                    gl_FragColor = vec4(color, alpha);
+                }
+            `
+        }));
+        const crystalSparkles = new THREE.Points(sparkleGeometry, sparkleMaterial);
+        crystalSparkles.renderOrder = 7;
+        crystalSparkles.userData.noReflection = true;
+
+        const edgeGeometry = trackGeometry(new THREE.EdgesGeometry(crystalGeometry, 16));
+        const edgeMaterial = trackMaterial(new THREE.LineBasicMaterial({
+            color: 0xc5f3ff,
+            transparent: true,
+            depthTest: false,
+            opacity: 0.72
+        }));
+        const crystalEdges = new THREE.LineSegments(edgeGeometry, edgeMaterial);
+        crystalEdges.renderOrder = 7;
+
+        const glintGeometry = trackGeometry(new THREE.PlaneGeometry(1.15, 1.15));
+        const glintMaterial = trackMaterial(new THREE.ShaderMaterial({
+            uniforms: { uTime: uniforms.uTime, uDark: uniforms.uDark },
+            transparent: true,
+            depthTest: false,
+            depthWrite: false,
+            blending: THREE.AdditiveBlending,
+            vertexShader: `varying vec2 vUv; void main(){vUv=uv;gl_Position=projectionMatrix*modelViewMatrix*vec4(position,1.0);}`,
+            fragmentShader: `
+                precision highp float;
+                varying vec2 vUv;
+                uniform float uTime;
+                uniform float uDark;
+                void main(){
+                    vec2 p=vUv-0.5;
+                    float core=exp(-length(p)*24.0);
+                    float cross=exp(-abs(p.x)*95.0)*exp(-abs(p.y)*4.5)+exp(-abs(p.y)*95.0)*exp(-abs(p.x)*4.5);
+                    float pulse=0.86+0.14*sin(uTime*1.6);
+                    vec3 color=mix(vec3(0.42,0.86,1.0),vec3(1.0,0.42,0.92),smoothstep(-0.2,0.18,p.x));
+                    gl_FragColor=vec4(color*(core*1.7+cross*0.72)*pulse,(core+cross*0.54)*mix(0.72,1.0,uDark));
+                }
+            `
+        }));
+        const baseGlint = new THREE.Mesh(glintGeometry, glintMaterial);
+        baseGlint.position.set(-0.18, -1.6, 0.86);
+        baseGlint.scale.setScalar(0.94);
+        baseGlint.renderOrder = 8;
+
+        const crystalGroup = new THREE.Group();
+        crystalGroup.add(
+            crystalMesh,
+            ...crystalFacets.map(function (entry) { return entry.facet; }),
+            spectrumMesh,
+            cyanStreak,
+            warmStreak,
+            violetStreak,
+            rainbowStreak,
+            crystalSparkles,
+            crystalEdges,
+            baseGlint
+        );
+        crystalGroup.rotation.set(0.045, -0.44, -0.018);
+
+        // Preserve the authored, high-frequency refraction from the approved visual
+        // while keeping it inside the live Three.js composition. The procedural
+        // crystal underneath supplies parallax, glow, reflection and the dark theme.
+        let referenceTexture = null;
+        const referenceGeometry = trackGeometry(new THREE.PlaneGeometry(3.29, 3.7));
+        const referenceMaterial = trackMaterial(new THREE.MeshBasicMaterial({
+            transparent: true,
+            opacity: initialDark ? 0.92 : 0.97,
+            depthTest: false,
+            depthWrite: false,
+            toneMapped: false
+        }));
+        const referenceCrystal = new THREE.Mesh(referenceGeometry, referenceMaterial);
+        referenceCrystal.position.set(-0.29, 0.05, 1.28);
+        referenceCrystal.renderOrder = 24;
+        referenceCrystal.userData.noReflection = true;
+
+        const referenceReflectionMaterial = trackMaterial(new THREE.ShaderMaterial({
+            uniforms: {
+                uMap: { value: null },
+                uOpacity: { value: initialDark ? 0.14 : 0.22 }
+            },
+            transparent: true,
+            depthTest: false,
+            depthWrite: false,
+            toneMapped: false,
+            vertexShader: `
+                varying vec2 vUv;
+                void main() {
+                    vUv = uv;
+                    gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
+                }
+            `,
+            fragmentShader: `
+                precision highp float;
+                varying vec2 vUv;
+                uniform sampler2D uMap;
+                uniform float uOpacity;
+                void main() {
+                    vec4 sampleColor = texture2D(uMap, vUv);
+                    float fade = pow(clamp(1.0 - vUv.y, 0.0, 1.0), 2.1);
+                    vec3 reflected = mix(sampleColor.rgb, vec3(0.56, 0.76, 1.0), 0.38);
+                    gl_FragColor = vec4(reflected, sampleColor.a * fade * uOpacity);
+                }
+            `
+        }));
+        const referenceReflection = new THREE.Mesh(referenceGeometry, referenceReflectionMaterial);
+        referenceReflection.position.set(-0.29, -3.06, 0.96);
+        referenceReflection.scale.set(1, -0.68, 1);
+        referenceReflection.renderOrder = 2;
+        referenceReflection.visible = false;
+
+        new THREE.TextureLoader().load(
+            './assets/prism-reference-light.png',
+            function (texture) {
+                referenceTexture = texture;
+                texture.colorSpace = THREE.SRGBColorSpace;
+                texture.minFilter = THREE.LinearMipmapLinearFilter;
+                texture.magFilter = THREE.LinearFilter;
+                referenceMaterial.map = texture;
+                referenceMaterial.needsUpdate = true;
+                referenceReflectionMaterial.uniforms.uMap.value = texture;
+                referenceReflection.visible = true;
+                root.dataset.referenceCrystal = 'loaded';
+                renderFrame(performance.now());
+            },
+            undefined,
+            function () {
+                referenceCrystal.visible = false;
+                root.dataset.referenceCrystal = 'error';
+            }
+        );
+
+        const crystalReflection = crystalGroup.clone(true);
+        crystalReflection.traverse(function (object) {
+            if (object.userData.noReflection) {
+                object.visible = false;
+                return;
+            }
+            if (!object.material) return;
+            const materials = Array.isArray(object.material) ? object.material : [object.material];
+            const clonedMaterials = materials.map(function (material) {
+                const clone = trackMaterial(material.clone());
+                clone.transparent = true;
+                clone.depthWrite = false;
+                clone.depthTest = false;
+                clone.opacity = material.isLineBasicMaterial ? 0.08 : Math.min(0.14, (material.opacity || 1) * 0.16);
+                if (clone.isMeshPhysicalMaterial) {
+                    clone.transmission = 0;
+                    clone.roughness = 0.24;
+                    clone.metalness = 0.08;
+                    clone.color = new THREE.Color(0x5ba8ff);
+                }
+                return clone;
+            });
+            object.material = Array.isArray(object.material) ? clonedMaterials : clonedMaterials[0];
+            object.renderOrder = 0;
+        });
+        crystalReflection.scale.set(1, -1, 1);
+        crystalReflection.position.y = -3.42;
+
+        const floorEffects = new THREE.Group();
+        function createFloorRay(points, color, opacity) {
+            const geometry = trackGeometry(new THREE.BufferGeometry());
+            const positions = [];
+            points.forEach(function (point) { positions.push(point[0], -1.705, point[1]); });
+            geometry.setAttribute('position', new THREE.Float32BufferAttribute(positions, 3));
+            geometry.computeVertexNormals();
+            const material = trackMaterial(new THREE.MeshBasicMaterial({
+                color,
+                transparent: true,
+                opacity,
+                side: THREE.DoubleSide,
+                depthWrite: false,
+                blending: THREE.AdditiveBlending
+            }));
+            material.userData.lightOpacity = opacity;
+            material.userData.darkOpacity = opacity * 1.35;
+            const ray = new THREE.Mesh(geometry, material);
+            floorEffects.add(ray);
+            return material;
+        }
+        const floorRayMaterials = [
+            createFloorRay([[-0.95, 0.2], [-5.6, 4.8], [-2.7, 4.8]], 0x6cecff, 0.2),
+            createFloorRay([[-0.2, 0.3], [-2.2, 5.4], [-0.55, 5.4]], 0x7f6dff, 0.14),
+            createFloorRay([[0.54, 0.14], [1.2, 5.5], [3.6, 5.5]], 0xffd58b, 0.16),
+            createFloorRay([[0.72, 0.12], [3.4, 4.6], [5.4, 4.6]], 0x4f83ff, 0.12)
+        ];
+
+        const worldRoot = new THREE.Group();
+        worldRoot.add(floorEffects, crystalReflection, referenceReflection, crystalGroup, referenceCrystal);
+        worldScene.add(worldRoot);
+
+        const floorGeometry = trackGeometry(new THREE.PlaneGeometry(10, 10));
+        const floorMaterial = trackMaterial(new THREE.MeshPhysicalMaterial({
+            color: 0xd8e8ff,
+            roughness: 0.2,
+            metalness: 0.08,
+            envMapIntensity: 1.6,
+            transparent: true,
+            opacity: 0.22,
+            depthWrite: false,
+            side: THREE.DoubleSide
+        }));
+        const floor = new THREE.Mesh(floorGeometry, floorMaterial);
+        floor.rotation.x = -Math.PI / 2;
+        floor.position.set(0, -1.71, 0);
+        floor.receiveShadow = !lowPower;
+        worldScene.add(floor);
+
+        const floorShadowMaterial = trackMaterial(new THREE.ShadowMaterial({ color: 0x0b3472, opacity: 0.18 }));
+        const floorShadow = new THREE.Mesh(floorGeometry, floorShadowMaterial);
+        floorShadow.rotation.x = -Math.PI / 2;
+        floorShadow.position.set(0, -1.695, 0);
+        floorShadow.receiveShadow = !lowPower;
+        worldScene.add(floorShadow);
+
+        const restPointer = new THREE.Vector2(0.58, 0.44);
+        const targetMouse = restPointer.clone();
+        const currentMouse = targetMouse.clone();
+        const lightEdgeColor = new THREE.Color(0xbfeeff);
+        const darkEdgeColor = new THREE.Color(0x73e9ff);
+        const lightFloorColor = new THREE.Color(0xd9eaff);
+        const darkFloorColor = new THREE.Color(0x0b2746);
+        const lightReferenceColor = new THREE.Color(0xffffff);
+        const darkReferenceColor = new THREE.Color(0xb7dbff);
+        const currentColor = new THREE.Color();
+        let targetDark = initialDark;
+        let heroVisible = true;
+        let lastFrame = 0;
+        let frameInterval = staticMode ? Infinity : (window.innerWidth < 900 ? 1000 / 30 : 1000 / 45);
+        const startTime = performance.now();
+
+        function updateWorld(elapsed) {
+            const dark = uniforms.uDark.value;
+            const floatOffset = staticMode ? 0 : Math.sin(elapsed * 0.48) * 0.075;
+            crystalGroup.position.y = floatOffset;
+            crystalGroup.rotation.x = 0.02 + Math.sin(elapsed * 0.28) * 0.025 + (currentMouse.y - 0.5) * 0.1;
+            crystalGroup.rotation.y = -0.44 + Math.sin(elapsed * 0.18) * 0.035 + (currentMouse.x - 0.5) * 0.1;
+            crystalGroup.rotation.z = -0.018 + Math.sin(elapsed * 0.22) * 0.012;
+            const pointerTiltX = (0.5 - currentMouse.y) * 0.16;
+            const pointerTiltY = (currentMouse.x - 0.5) * 0.28;
+            const pointerShiftX = (currentMouse.x - 0.5) * 0.11;
+            const pointerShiftY = (0.5 - currentMouse.y) * 0.06;
+            referenceCrystal.position.x = -0.29 + pointerShiftX;
+            referenceCrystal.position.y = 0.05 + floatOffset * 0.72 + pointerShiftY;
+            referenceCrystal.rotation.x = pointerTiltX;
+            referenceCrystal.rotation.y = pointerTiltY;
+            referenceCrystal.rotation.z = staticMode ? 0 : Math.sin(elapsed * 0.22) * 0.0035;
+            referenceReflection.position.x = -0.29 + pointerShiftX * 0.7;
+            referenceReflection.position.y = -3.06 - floatOffset * 0.46;
+            referenceReflection.rotation.x = -pointerTiltX * 0.48;
+            referenceReflection.rotation.y = pointerTiltY * 0.62;
+            referenceReflection.rotation.z = -referenceCrystal.rotation.z * 0.5;
+            referenceMaterial.opacity = THREE.MathUtils.lerp(0.97, 0.92, dark);
+            referenceMaterial.color.copy(currentColor.copy(lightReferenceColor).lerp(darkReferenceColor, dark));
+            referenceCrystal.visible = Boolean(referenceMaterial.map);
+            referenceReflectionMaterial.uniforms.uOpacity.value = THREE.MathUtils.lerp(0.22, 0.14, dark);
+            referenceReflection.visible = Boolean(referenceMaterial.map);
+            crystalGroup.visible = false;
+            crystalReflection.visible = false;
+            crystalReflection.rotation.copy(crystalGroup.rotation);
+            crystalReflection.position.y = -3.42 - floatOffset;
+            worldRoot.rotation.y = (currentMouse.x - 0.5) * 0.03;
+            worldRoot.rotation.x = (0.5 - currentMouse.y) * 0.02;
+
+            crystalMaterials.forEach(function (material) {
+                material.color.copy(currentColor.copy(material.userData.lightColor).lerp(material.userData.darkColor, dark));
+                material.opacity = THREE.MathUtils.lerp(material.userData.lightOpacity, material.userData.darkOpacity, dark);
+                material.envMapIntensity = THREE.MathUtils.lerp(material.userData.lightEnv, material.userData.darkEnv, dark);
+            });
+            glassSideMaterial.emissiveIntensity = THREE.MathUtils.lerp(0.12, 0.2, dark);
+            reflectionMaterials.forEach(function (material) {
+                material.opacity = THREE.MathUtils.lerp(material.userData.lightOpacity, material.userData.darkOpacity, dark);
+            });
+            floorRayMaterials.forEach(function (material) {
+                material.opacity = THREE.MathUtils.lerp(material.userData.lightOpacity, material.userData.darkOpacity, dark);
+            });
+            edgeMaterial.color.copy(currentColor.copy(lightEdgeColor).lerp(darkEdgeColor, dark));
+            edgeMaterial.opacity = THREE.MathUtils.lerp(0.72, 0.9, dark);
+            floorMaterial.color.copy(currentColor.copy(lightFloorColor).lerp(darkFloorColor, dark));
+            floorMaterial.opacity = THREE.MathUtils.lerp(0.22, 0.13, dark);
+            floorMaterial.envMapIntensity = THREE.MathUtils.lerp(1.6, 2.4, dark);
+            floorShadowMaterial.opacity = THREE.MathUtils.lerp(0.16, 0.3, dark);
+            hemisphereLight.intensity = THREE.MathUtils.lerp(1.8, 1.25, dark);
+            keyLight.intensity = THREE.MathUtils.lerp(2.4, 2.6, dark);
+            cyanLight.intensity = THREE.MathUtils.lerp(18, 26, dark);
+            warmLight.intensity = THREE.MathUtils.lerp(13, 20, dark);
+        }
+
+        function renderFrame(now) {
+            if (!staticMode && (!heroVisible || document.hidden || now - lastFrame < frameInterval)) return;
+            lastFrame = now;
+            const elapsed = staticMode ? 1.4 : (now - startTime) / 1000;
+            if (staticMode) {
+                uniforms.uDark.value = targetDark;
+                uniforms.uTime.value = 1.4;
+            } else {
+                uniforms.uDark.value += (targetDark - uniforms.uDark.value) * 0.085;
+                currentMouse.lerp(targetMouse, 0.055);
+                uniforms.uMouse.value.copy(currentMouse);
+                uniforms.uTime.value = elapsed;
+            }
+            updateWorld(elapsed);
+            renderer.clear(true, true, true);
+            renderer.render(backgroundScene, backgroundCamera);
+            renderer.clearDepth();
+            renderer.render(worldScene, worldCamera);
+        }
+
+        function resize() {
+            const rect = root.getBoundingClientRect();
+            const width = Math.max(1, Math.round(rect.width));
+            const height = Math.max(1, Math.round(rect.height));
+            const maxDpr = window.innerWidth < 900 ? 1 : 1.5;
+            renderer.setPixelRatio(Math.min(window.devicePixelRatio || 1, maxDpr));
+            renderer.setSize(width, height, false);
+            uniforms.uResolution.value.set(width * renderer.getPixelRatio(), height * renderer.getPixelRatio());
+
+            const aspect = width / height;
+            worldCamera.aspect = aspect;
+            worldCamera.fov = aspect < 0.75 ? 38 : 33;
+            worldCamera.updateProjectionMatrix();
+            if (aspect > 1.1) {
+                worldRoot.position.set(Math.min(1.92, aspect * 1.15), -0.02, 0);
+                worldRoot.scale.setScalar(0.9);
+            } else {
+                worldRoot.position.set(0.08, -1.55, 0);
+                worldRoot.scale.setScalar(0.56);
+            }
+            floor.position.set(worldRoot.position.x, worldRoot.position.y - 1.71 * worldRoot.scale.x, 0);
+            floorShadow.position.set(worldRoot.position.x, worldRoot.position.y - 1.695 * worldRoot.scale.x, 0);
+            frameInterval = staticMode ? Infinity : (width < 900 ? 1000 / 30 : 1000 / 45);
+            renderFrame(performance.now());
+        }
+
+        const resizeObserver = new ResizeObserver(resize);
+        resizeObserver.observe(root);
+
+        const hero = document.getElementById('home');
+        if (hero) {
+            hero.addEventListener('pointermove', function (event) {
+                if (staticMode) return;
+                const rect = hero.getBoundingClientRect();
+                targetMouse.set(
+                    THREE.MathUtils.clamp((event.clientX - rect.left) / rect.width, 0, 1),
+                    THREE.MathUtils.clamp((event.clientY - rect.top) / rect.height, 0, 1)
+                );
+            }, { passive: true });
+            hero.addEventListener('pointerleave', function () { targetMouse.copy(restPointer); }, { passive: true });
+
+            const visibilityObserver = new IntersectionObserver(function (entries) {
+                heroVisible = entries[0] ? entries[0].isIntersecting : true;
+                if (heroVisible && staticMode) renderFrame(performance.now());
+            }, { rootMargin: '120px 0px' });
+            visibilityObserver.observe(hero);
+        }
+
+        window.addEventListener('roncarve:themechange', function (event) {
+            targetDark = event.detail.resolved === 'dark' ? 1 : 0;
+            if (staticMode) renderFrame(performance.now());
+        });
+
+        canvas.addEventListener('webglcontextlost', function (event) {
+            event.preventDefault();
+            root.classList.remove('is-ready');
+            root.classList.add('has-error');
+            renderer.setAnimationLoop(null);
+        });
+
+        resize();
+        renderFrame(performance.now());
+        root.classList.add('is-ready');
+        if (!staticMode) renderer.setAnimationLoop(renderFrame);
+
+        window.addEventListener('beforeunload', function () {
+            renderer.setAnimationLoop(null);
+            resizeObserver.disconnect();
+            backgroundGeometry.dispose();
+            backgroundMaterial.dispose();
+            disposableGeometries.forEach(function (geometry) { geometry.dispose(); });
+            disposableMaterials.forEach(function (material) { material.dispose(); });
+            if (referenceTexture) referenceTexture.dispose();
+            environmentTarget.dispose();
+            renderer.dispose();
+        }, { once: true });
+    }
+}
diff --git a/vendor/three.core.min.js b/vendor/three.core.min.js
new file mode 100644
index 0000000..fcf90d3
--- /dev/null
+++ b/vendor/three.core.min.js
@@ -0,0 +1,6 @@
+/**
+ * @license
+ * Copyright 2010-2026 Three.js Authors
+ * SPDX-License-Identifier: MIT
+ */
+const t="185",e={LEFT:0,MIDDLE:1,RIGHT:2,ROTATE:0,DOLLY:1,PAN:2},s={ROTATE:0,PAN:1,DOLLY_PAN:2,DOLLY_ROTATE:3},i=0,r=1,n=2,a=3,o=0,h=1,l=2,c=3,u=0,d=1,p=2,m=0,y=1,g=2,f=3,x=4,b=5,v=6,w=100,M=101,S=102,_=103,A=104,T=200,z=201,C=202,I=203,B=204,k=205,O=206,P=207,R=208,E=209,N=210,V=211,L=212,F=213,D=214,U=0,j=1,W=2,J=3,q=4,H=5,X=6,Y=7,Z=0,G=1,$=2,Q=0,K=1,tt=2,et=3,st=4,it=5,rt=6,nt=7,at="attached",ot="detached",ht=300,lt=301,ct=302,ut=303,dt=304,pt=306,mt=1e3,yt=1001,gt=1002,ft=1003,xt=1004,bt=1004,vt=1005,wt=1005,Mt=1006,St=1007,_t=1007,At=1008,Tt=1008,zt=1009,Ct=1010,It=1011,Bt=1012,kt=1013,Ot=1014,Pt=1015,Rt=1016,Et=1017,Nt=1018,Vt=1020,Lt=35902,Ft=35899,Dt=1021,Ut=1022,jt=1023,Wt=1026,Jt=1027,qt=1028,Ht=1029,Xt=1030,Yt=1031,Zt=1032,Gt=1033,$t=33776,Qt=33777,Kt=33778,te=33779,ee=35840,se=35841,ie=35842,re=35843,ne=36196,ae=37492,oe=37496,he=37488,le=37489,ce=37490,ue=37491,de=37808,pe=37809,me=37810,ye=37811,ge=37812,fe=37813,xe=37814,be=37815,ve=37816,we=37817,Me=37818,Se=37819,_e=37820,Ae=37821,Te=36492,ze=36494,Ce=36495,Ie=36283,Be=36284,ke=36285,Oe=36286,Pe=2200,Re=2201,Ee=2202,Ne=2300,Ve=2301,Le=2302,Fe=2303,De=2400,Ue=2401,je=2402,We=2500,Je=2501,qe=0,He=1,Xe=2,Ye=3200,Ze=3201,Ge=3202,$e=3203,Qe=0,Ke=1,ts="",es="srgb",ss="srgb-linear",is="linear",rs="srgb",ns="",as="rg",os="ga",hs=0,ls=7680,cs=7681,us=7682,ds=7683,ps=34055,ms=34056,ys=5386,gs=512,fs=513,xs=514,bs=515,vs=516,ws=517,Ms=518,Ss=519,_s=512,As=513,Ts=514,zs=515,Cs=516,Is=517,Bs=518,ks=519,Os=35044,Ps=35048,Rs=35040,Es=35045,Ns=35049,Vs=35041,Ls=35046,Fs=35050,Ds=35042,Us="100",js="300 es",Ws=2e3,Js=2001,qs={COMPUTE:"compute",RENDER:"render"},Hs={PERSPECTIVE:"perspective",LINEAR:"linear",FLAT:"flat"},Xs={NORMAL:"normal",CENTROID:"centroid",SAMPLE:"sample",FIRST:"first",EITHER:"either"},Ys={TEXTURE_COMPARE:"depthTextureCompare"};const Zs={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function Gs(t,e){return new Zs[t](e)}function $s(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Qs(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function Ks(){const t=Qs("canvas");return t.style.display="block",t}const ti={};let ei=null;function si(t){ei=t}function ii(){return ei}function ri(...t){const e="THREE."+t.shift();ei?ei("log",e,...t):console.log(e,...t)}function ni(t){const e=t[0];if("string"==typeof e&&e.startsWith("TSL:")){const e=t[1];e&&e.isStackTrace?t[0]+=" "+e.getLocation():t[1]='Stack trace not available. 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t*(.5-Math.random())},seededRandom:function(t){void 0!==t&&(mi=t);let e=mi+=1831565813;return e=Math.imul(e^e>>>15,1|e),e^=e+Math.imul(e^e>>>7,61|e),((e^e>>>14)>>>0)/4294967296},degToRad:function(t){return t*yi},radToDeg:function(t){return t*gi},isPowerOfTwo:function(t){return!(t&t-1)&&0!==t},ceilPowerOfTwo:function(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))},floorPowerOfTwo:function(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,e,s,i,r){const n=Math.cos,a=Math.sin,o=n(s/2),h=a(s/2),l=n((e+i)/2),c=a((e+i)/2),u=n((e-i)/2),d=a((e-i)/2),p=n((i-e)/2),m=a((i-e)/2);switch(r){case"XYX":t.set(o*c,h*u,h*d,o*l);break;case"YZY":t.set(h*d,o*c,h*u,o*l);break;case"ZXZ":t.set(h*u,h*d,o*c,o*l);break;case"XZX":t.set(o*c,h*m,h*p,o*l);break;case"YXY":t.set(h*p,o*c,h*m,o*l);break;case"ZYZ":t.set(h*m,h*p,o*c,o*l);break;default:ai("MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:Mi,denormalize:wi};class _i{static{_i.prototype.isVector2=!0}constructor(t=0,e=0){this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("THREE.Vector2: index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("THREE.Vector2: index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t){return this.x+=t.x,this.y+=t.y,this}addScalar(t){return this.x+=t,this.y+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this}subScalar(t){return this.x-=t,this.y-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this}multiply(t){return this.x*=t.x,this.y*=t.y,this}multiplyScalar(t){return this.x*=t,this.y*=t,this}divide(t){return this.x/=t.x,this.y/=t.y,this}divideScalar(t){return this.multiplyScalar(1/t)}applyMatrix3(t){const e=this.x,s=this.y,i=t.elements;return this.x=i[0]*e+i[3]*s+i[6],this.y=i[1]*e+i[4]*s+i[7],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this}clamp(t,e){return this.x=xi(this.x,t.x,e.x),this.y=xi(this.y,t.y,e.y),this}clampScalar(t,e){return this.x=xi(this.x,t,e),this.y=xi(this.y,t,e),this}clampLength(t,e){const s=this.length();return this.divideScalar(s||1).multiplyScalar(xi(s,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const s=this.dot(t)/e;return Math.acos(xi(s,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,s=this.y-t.y;return e*e+s*s}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,s){return this.x=t.x+(e.x-t.x)*s,this.y=t.y+(e.y-t.y)*s,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const s=Math.cos(e),i=Math.sin(e),r=this.x-t.x,n=this.y-t.y;return this.x=r*s-n*i+t.x,this.y=r*i+n*s+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Ai{constructor(t=0,e=0,s=0,i=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=s,this._w=i}static slerpFlat(t,e,s,i,r,n,a){let o=s[i+0],h=s[i+1],l=s[i+2],c=s[i+3],u=r[n+0],d=r[n+1],p=r[n+2],m=r[n+3];if(c!==m||o!==u||h!==d||l!==p){let t=o*u+h*d+l*p+c*m;t<0&&(u=-u,d=-d,p=-p,m=-m,t=-t);let e=1-a;if(t<.9995){const s=Math.acos(t),i=Math.sin(s);e=Math.sin(e*s)/i,o=o*e+u*(a=Math.sin(a*s)/i),h=h*e+d*a,l=l*e+p*a,c=c*e+m*a}else{o=o*e+u*a,h=h*e+d*a,l=l*e+p*a,c=c*e+m*a;const t=1/Math.sqrt(o*o+h*h+l*l+c*c);o*=t,h*=t,l*=t,c*=t}}t[e]=o,t[e+1]=h,t[e+2]=l,t[e+3]=c}static multiplyQuaternionsFlat(t,e,s,i,r,n){const a=s[i],o=s[i+1],h=s[i+2],l=s[i+3],c=r[n],u=r[n+1],d=r[n+2],p=r[n+3];return t[e]=a*p+l*c+o*d-h*u,t[e+1]=o*p+l*u+h*c-a*d,t[e+2]=h*p+l*d+a*u-o*c,t[e+3]=l*p-a*c-o*u-h*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,s,i){return this._x=t,this._y=e,this._z=s,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return 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this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(s),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,s=e[0],i=e[4],r=e[8],n=e[1],a=e[5],o=e[9],h=e[2],l=e[6],c=e[10],u=s+a+c;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(l-o)*t,this._y=(r-h)*t,this._z=(n-i)*t}else if(s>a&&s>c){const t=2*Math.sqrt(1+s-a-c);this._w=(l-o)/t,this._x=.25*t,this._y=(i+n)/t,this._z=(r+h)/t}else if(a>c){const t=2*Math.sqrt(1+a-s-c);this._w=(r-h)/t,this._x=(i+n)/t,this._y=.25*t,this._z=(o+l)/t}else{const t=2*Math.sqrt(1+c-s-a);this._w=(n-i)/t,this._x=(r+h)/t,this._y=(o+l)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let s=t.dot(e)+1;return s<1e-8?(s=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=s):(this._x=0,this._y=-t.z,this._z=t.y,this._w=s)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=s),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(xi(this.dot(t),-1,1)))}rotateTowards(t,e){const s=this.angleTo(t);if(0===s)return this;const i=Math.min(1,e/s);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const s=t._x,i=t._y,r=t._z,n=t._w,a=e._x,o=e._y,h=e._z,l=e._w;return this._x=s*l+n*a+i*h-r*o,this._y=i*l+n*o+r*a-s*h,this._z=r*l+n*h+s*o-i*a,this._w=n*l-s*a-i*o-r*h,this._onChangeCallback(),this}slerp(t,e){let s=t._x,i=t._y,r=t._z,n=t._w,a=this.dot(t);a<0&&(s=-s,i=-i,r=-r,n=-n,a=-a);let o=1-e;if(a<.9995){const t=Math.acos(a),h=Math.sin(t);o=Math.sin(o*t)/h,e=Math.sin(e*t)/h,this._x=this._x*o+s*e,this._y=this._y*o+i*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this._onChangeCallback()}else this._x=this._x*o+s*e,this._y=this._y*o+i*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this.normalize();return this}slerpQuaternions(t,e,s){return this.copy(t).slerp(e,s)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),s=Math.random(),i=Math.sqrt(1-s),r=Math.sqrt(s);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Ti{static{Ti.prototype.isVector3=!0}constructor(t=0,e=0,s=0){this.x=t,this.y=e,this.z=s}set(t,e,s){return void 0===s&&(s=this.z),this.x=t,this.y=e,this.z=s,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("THREE.Vector3: index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("THREE.Vector3: index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Ci.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Ci.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*s+r[6]*i,this.y=r[1]*e+r[4]*s+r[7]*i,this.z=r[2]*e+r[5]*s+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=t.elements,n=1/(r[3]*e+r[7]*s+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*s+r[8]*i+r[12])*n,this.y=(r[1]*e+r[5]*s+r[9]*i+r[13])*n,this.z=(r[2]*e+r[6]*s+r[10]*i+r[14])*n,this}applyQuaternion(t){const e=this.x,s=this.y,i=this.z,r=t.x,n=t.y,a=t.z,o=t.w,h=2*(n*i-a*s),l=2*(a*e-r*i),c=2*(r*s-n*e);return this.x=e+o*h+n*c-a*l,this.y=s+o*l+a*h-r*c,this.z=i+o*c+r*l-n*h,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*s+r[8]*i,this.y=r[1]*e+r[5]*s+r[9]*i,this.z=r[2]*e+r[6]*s+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=xi(this.x,t.x,e.x),this.y=xi(this.y,t.y,e.y),this.z=xi(this.z,t.z,e.z),this}clampScalar(t,e){return this.x=xi(this.x,t,e),this.y=xi(this.y,t,e),this.z=xi(this.z,t,e),this}clampLength(t,e){const s=this.length();return this.divideScalar(s||1).multiplyScalar(xi(s,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,s){return this.x=t.x+(e.x-t.x)*s,this.y=t.y+(e.y-t.y)*s,this.z=t.z+(e.z-t.z)*s,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const s=t.x,i=t.y,r=t.z,n=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*n-s*o,this.z=s*a-i*n,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const s=t.dot(this)/e;return this.copy(t).multiplyScalar(s)}projectOnPlane(t){return zi.copy(this).projectOnVector(t),this.sub(zi)}reflect(t){return this.sub(zi.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const s=this.dot(t)/e;return Math.acos(xi(s,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,s=this.y-t.y,i=this.z-t.z;return e*e+s*s+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,s){const i=Math.sin(e)*t;return this.x=i*Math.sin(s),this.y=Math.cos(e)*t,this.z=i*Math.cos(s),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,s){return this.x=t*Math.sin(e),this.y=s,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),s=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=s,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,s=Math.sqrt(1-e*e);return this.x=s*Math.cos(t),this.y=e,this.z=s*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const zi=new Ti,Ci=new Ai;class Ii{static{Ii.prototype.isMatrix3=!0}constructor(t,e,s,i,r,n,a,o,h){this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,s,i,r,n,a,o,h)}set(t,e,s,i,r,n,a,o,h){const l=this.elements;return l[0]=t,l[1]=i,l[2]=a,l[3]=e,l[4]=r,l[5]=o,l[6]=s,l[7]=n,l[8]=h,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,s=t.elements;return e[0]=s[0],e[1]=s[1],e[2]=s[2],e[3]=s[3],e[4]=s[4],e[5]=s[5],e[6]=s[6],e[7]=s[7],e[8]=s[8],this}extractBasis(t,e,s){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),s.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const s=t.elements,i=e.elements,r=this.elements,n=s[0],a=s[3],o=s[6],h=s[1],l=s[4],c=s[7],u=s[2],d=s[5],p=s[8],m=i[0],y=i[3],g=i[6],f=i[1],x=i[4],b=i[7],v=i[2],w=i[5],M=i[8];return r[0]=n*m+a*f+o*v,r[3]=n*y+a*x+o*w,r[6]=n*g+a*b+o*M,r[1]=h*m+l*f+c*v,r[4]=h*y+l*x+c*w,r[7]=h*g+l*b+c*M,r[2]=u*m+d*f+p*v,r[5]=u*y+d*x+p*w,r[8]=u*g+d*b+p*M,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8];return e*n*l-e*a*h-s*r*l+s*a*o+i*r*h-i*n*o}invert(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=l*n-a*h,u=a*o-l*r,d=h*r-n*o,p=e*c+s*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=c*m,t[1]=(i*h-l*s)*m,t[2]=(a*s-i*n)*m,t[3]=u*m,t[4]=(l*e-i*o)*m,t[5]=(i*r-a*e)*m,t[6]=d*m,t[7]=(s*o-h*e)*m,t[8]=(n*e-s*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,s,i,r,n,a){const o=Math.cos(r),h=Math.sin(r);return this.set(s*o,s*h,-s*(o*n+h*a)+n+t,-i*h,i*o,-i*(-h*n+o*a)+a+e,0,0,1),this}scale(t,e){return hi("Matrix3: .scale() is deprecated. Use .makeScale() instead."),this.premultiply(Bi.makeScale(t,e)),this}rotate(t){return hi("Matrix3: .rotate() is deprecated. Use .makeRotation() instead."),this.premultiply(Bi.makeRotation(-t)),this}translate(t,e){return hi("Matrix3: .translate() is deprecated. Use .makeTranslation() instead."),this.premultiply(Bi.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,-s,0,s,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,s=t.elements;for(let t=0;t<9;t++)if(e[t]!==s[t])return!1;return!0}fromArray(t,e=0){for(let s=0;s<9;s++)this.elements[s]=t[s+e];return this}toArray(t=[],e=0){const s=this.elements;return t[e]=s[0],t[e+1]=s[1],t[e+2]=s[2],t[e+3]=s[3],t[e+4]=s[4],t[e+5]=s[5],t[e+6]=s[6],t[e+7]=s[7],t[e+8]=s[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const Bi=new Ii,ki=(new Ii).set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),Oi=(new Ii).set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function Pi(){const t={enabled:!0,workingColorSpace:ss,spaces:{},convert:function(t,e,s){return!1!==this.enabled&&e!==s&&e&&s?(this.spaces[e].transfer===rs&&(t.r=Ei(t.r),t.g=Ei(t.g),t.b=Ei(t.b)),this.spaces[e].primaries!==this.spaces[s].primaries&&(t.applyMatrix3(this.spaces[e].toXYZ),t.applyMatrix3(this.spaces[s].fromXYZ)),this.spaces[s].transfer===rs&&(t.r=Ni(t.r),t.g=Ni(t.g),t.b=Ni(t.b)),t):t},workingToColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},colorSpaceToWorking:function(t,e){return this.convert(t,e,this.workingColorSpace)},getPrimaries:function(t){return this.spaces[t].primaries},getTransfer:function(t){return""===t?is:this.spaces[t].transfer},getToneMappingMode:function(t){return this.spaces[t].outputColorSpaceConfig.toneMappingMode||"standard"},getLuminanceCoefficients:function(t,e=this.workingColorSpace){return t.fromArray(this.spaces[e].luminanceCoefficients)},define:function(t){Object.assign(this.spaces,t)},_getMatrix:function(t,e,s){return t.copy(this.spaces[e].toXYZ).multiply(this.spaces[s].fromXYZ)},_getDrawingBufferColorSpace:function(t){return this.spaces[t].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(t=this.workingColorSpace){return this.spaces[t].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(e,s){return hi("ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."),t.workingToColorSpace(e,s)},toWorkingColorSpace:function(e,s){return hi("ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."),t.colorSpaceToWorking(e,s)}},e=[.64,.33,.3,.6,.15,.06],s=[.2126,.7152,.0722],i=[.3127,.329];return t.define({[ss]:{primaries:e,whitePoint:i,transfer:is,toXYZ:ki,fromXYZ:Oi,luminanceCoefficients:s,workingColorSpaceConfig:{unpackColorSpace:es},outputColorSpaceConfig:{drawingBufferColorSpace:es}},[es]:{primaries:e,whitePoint:i,transfer:rs,toXYZ:ki,fromXYZ:Oi,luminanceCoefficients:s,outputColorSpaceConfig:{drawingBufferColorSpace:es}}}),t}const Ri=Pi();function Ei(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Ni(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let Vi;class Li{static getDataURL(t,e="image/png"){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let s;if(t instanceof HTMLCanvasElement)s=t;else{void 0===Vi&&(Vi=Qs("canvas")),Vi.width=t.width,Vi.height=t.height;const e=Vi.getContext("2d");t instanceof ImageData?e.putImageData(t,0,0):e.drawImage(t,0,0,t.width,t.height),s=Vi}return s.toDataURL(e)}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=Qs("canvas");e.width=t.width,e.height=t.height;const s=e.getContext("2d");s.drawImage(t,0,0,t.width,t.height);const i=s.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t<r.length;t++)r[t]=255*Ei(r[t]/255);return s.putImageData(i,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Ei(e[t]/255)):e[t]=Ei(e[t]);return{data:e,width:t.width,height:t.height}}return ai("ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let Fi=0;class Di{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Fi++}),this.uuid=fi(),this.data=t,this.dataReady=!0,this.version=0}getSize(t){const e=this.data;return"undefined"!=typeof HTMLVideoElement&&e instanceof HTMLVideoElement?t.set(e.videoWidth,e.videoHeight,0):"undefined"!=typeof VideoFrame&&e instanceof VideoFrame?t.set(e.displayWidth,e.displayHeight,0):null!==e?t.set(e.width,e.height,e.depth||0):t.set(0,0,0),t}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const s={uuid:this.uuid,url:""},i=this.data;if(null!==i){let t;if(Array.isArray(i)){t=[];for(let e=0,s=i.length;e<s;e++)i[e].isDataTexture?t.push(Ui(i[e].image)):t.push(Ui(i[e]))}else t=Ui(i);s.url=t}return e||(t.images[this.uuid]=s),s}}function Ui(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?Li.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(ai("Texture: Unable to serialize Texture."),{})}let ji=0;const Wi=new Ti;class Ji extends di{constructor(t=Ji.DEFAULT_IMAGE,e=Ji.DEFAULT_MAPPING,s=1001,i=1001,r=1006,n=1008,a=1023,o=1009,h=Ji.DEFAULT_ANISOTROPY,l=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:ji++}),this.uuid=fi(),this.name="",this.source=new Di(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=s,this.wrapT=i,this.magFilter=r,this.minFilter=n,this.anisotropy=h,this.format=a,this.internalFormat=null,this.type=o,this.offset=new _i(0,0),this.repeat=new _i(1,1),this.center=new _i(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Ii,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=l,this.userData={},this.updateRanges=[],this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.isArrayTexture=!!(t&&t.depth&&t.depth>1),this.pmremVersion=0,this.normalized=!1}get width(){return this.source.getSize(Wi).x}get height(){return this.source.getSize(Wi).y}get depth(){return this.source.getSize(Wi).z}get image(){return this.source.data}set image(t){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.normalized=t.normalized,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.renderTarget=t.renderTarget,this.isRenderTargetTexture=t.isRenderTargetTexture,this.isArrayTexture=t.isArrayTexture,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}setValues(t){for(const e in t){const s=t[e];if(void 0===s){ai(`Texture.setValues(): parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&s&&i.isVector2&&s.isVector2||i&&s&&i.isVector3&&s.isVector3||i&&s&&i.isMatrix3&&s.isMatrix3?i.copy(s):this[e]=s:ai(`Texture.setValues(): property '${e}' does not exist.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const s={metadata:{version:4.7,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,normalized:this.normalized,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(s.userData=this.userData),e||(t.textures[this.uuid]=s),s}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ht)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case mt:t.x=t.x-Math.floor(t.x);break;case yt:t.x=t.x<0?0:1;break;case gt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case mt:t.y=t.y-Math.floor(t.y);break;case yt:t.y=t.y<0?0:1;break;case gt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Ji.DEFAULT_IMAGE=null,Ji.DEFAULT_MAPPING=ht,Ji.DEFAULT_ANISOTROPY=1;class qi{static{qi.prototype.isVector4=!0}constructor(t=0,e=0,s=0,i=1){this.x=t,this.y=e,this.z=s,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,s,i){return this.x=t,this.y=e,this.z=s,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("THREE.Vector4: index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("THREE.Vector4: index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=this.w,n=t.elements;return this.x=n[0]*e+n[4]*s+n[8]*i+n[12]*r,this.y=n[1]*e+n[5]*s+n[9]*i+n[13]*r,this.z=n[2]*e+n[6]*s+n[10]*i+n[14]*r,this.w=n[3]*e+n[7]*s+n[11]*i+n[15]*r,this}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this.w/=t.w,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,s,i,r;const n=.01,a=.1,o=t.elements,h=o[0],l=o[4],c=o[8],u=o[1],d=o[5],p=o[9],m=o[2],y=o[6],g=o[10];if(Math.abs(l-u)<n&&Math.abs(c-m)<n&&Math.abs(p-y)<n){if(Math.abs(l+u)<a&&Math.abs(c+m)<a&&Math.abs(p+y)<a&&Math.abs(h+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(h+1)/2,o=(d+1)/2,f=(g+1)/2,x=(l+u)/4,b=(c+m)/4,v=(p+y)/4;return t>o&&t>f?t<n?(s=0,i=.707106781,r=.707106781):(s=Math.sqrt(t),i=x/s,r=b/s):o>f?o<n?(s=.707106781,i=0,r=.707106781):(i=Math.sqrt(o),s=x/i,r=v/i):f<n?(s=.707106781,i=.707106781,r=0):(r=Math.sqrt(f),s=b/r,i=v/r),this.set(s,i,r,e),this}let f=Math.sqrt((y-p)*(y-p)+(c-m)*(c-m)+(u-l)*(u-l));return Math.abs(f)<.001&&(f=1),this.x=(y-p)/f,this.y=(c-m)/f,this.z=(u-l)/f,this.w=Math.acos((h+d+g-1)/2),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this.w=e[15],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=xi(this.x,t.x,e.x),this.y=xi(this.y,t.y,e.y),this.z=xi(this.z,t.z,e.z),this.w=xi(this.w,t.w,e.w),this}clampScalar(t,e){return this.x=xi(this.x,t,e),this.y=xi(this.y,t,e),this.z=xi(this.z,t,e),this.w=xi(this.w,t,e),this}clampLength(t,e){const s=this.length();return this.divideScalar(s||1).multiplyScalar(xi(s,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,s){return this.x=t.x+(e.x-t.x)*s,this.y=t.y+(e.y-t.y)*s,this.z=t.z+(e.z-t.z)*s,this.w=t.w+(e.w-t.w)*s,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class Hi extends di{constructor(t=1,e=1,s={}){super(),s=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:Mt,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1,depth:1,multiview:!1,useArrayDepthTexture:!1},s),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=s.depth,this.scissor=new qi(0,0,t,e),this.scissorTest=!1,this.viewport=new qi(0,0,t,e),this.textures=[];const i={width:t,height:e,depth:s.depth},r=new Ji(i),n=s.count;for(let t=0;t<n;t++)this.textures[t]=r.clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;this._setTextureOptions(s),this.depthBuffer=s.depthBuffer,this.stencilBuffer=s.stencilBuffer,this.resolveDepthBuffer=s.resolveDepthBuffer,this.resolveStencilBuffer=s.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=s.depthTexture,this.samples=s.samples,this.multiview=s.multiview,this.useArrayDepthTexture=s.useArrayDepthTexture}_setTextureOptions(t={}){const e={minFilter:Mt,generateMipmaps:!1,flipY:!1,internalFormat:null};void 0!==t.mapping&&(e.mapping=t.mapping),void 0!==t.wrapS&&(e.wrapS=t.wrapS),void 0!==t.wrapT&&(e.wrapT=t.wrapT),void 0!==t.wrapR&&(e.wrapR=t.wrapR),void 0!==t.magFilter&&(e.magFilter=t.magFilter),void 0!==t.minFilter&&(e.minFilter=t.minFilter),void 0!==t.format&&(e.format=t.format),void 0!==t.type&&(e.type=t.type),void 0!==t.anisotropy&&(e.anisotropy=t.anisotropy),void 0!==t.colorSpace&&(e.colorSpace=t.colorSpace),void 0!==t.flipY&&(e.flipY=t.flipY),void 0!==t.generateMipmaps&&(e.generateMipmaps=t.generateMipmaps),void 0!==t.internalFormat&&(e.internalFormat=t.internalFormat);for(let t=0;t<this.textures.length;t++){this.textures[t].setValues(e)}}get texture(){return this.textures[0]}set texture(t){this.textures[0]=t}set depthTexture(t){null!==this._depthTexture&&(this._depthTexture.renderTarget=null),null!==t&&(t.renderTarget=this),this._depthTexture=t}get depthTexture(){return this._depthTexture}setSize(t,e,s=1){if(this.width!==t||this.height!==e||this.depth!==s){this.width=t,this.height=e,this.depth=s;for(let i=0,r=this.textures.length;i<r;i++)this.textures[i].image.width=t,this.textures[i].image.height=e,this.textures[i].image.depth=s,!0!==this.textures[i].isData3DTexture&&(this.textures[i].isArrayTexture=this.textures[i].image.depth>1);this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let e=0,s=t.textures.length;e<s;e++){this.textures[e]=t.textures[e].clone(),this.textures[e].isRenderTargetTexture=!0,this.textures[e].renderTarget=this;const s=Object.assign({},t.textures[e].image);this.textures[e].source=new Di(s)}return this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.resolveDepthBuffer=t.resolveDepthBuffer,this.resolveStencilBuffer=t.resolveStencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this.multiview=t.multiview,this.useArrayDepthTexture=t.useArrayDepthTexture,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Xi extends Hi{constructor(t=1,e=1,s={}){super(t,e,s),this.isWebGLRenderTarget=!0}}class Yi extends Ji{constructor(t=null,e=1,s=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:s,depth:i},this.magFilter=ft,this.minFilter=ft,this.wrapR=yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Zi extends Xi{constructor(t=1,e=1,s=1,i={}){super(t,e,i),this.isWebGLArrayRenderTarget=!0,this.depth=s,this.texture=new Yi(null,t,e,s),this._setTextureOptions(i),this.texture.isRenderTargetTexture=!0}}class Gi extends Ji{constructor(t=null,e=1,s=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:s,depth:i},this.magFilter=ft,this.minFilter=ft,this.wrapR=yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class $i extends Xi{constructor(t=1,e=1,s=1,i={}){super(t,e,i),this.isWebGL3DRenderTarget=!0,this.depth=s,this.texture=new Gi(null,t,e,s),this._setTextureOptions(i),this.texture.isRenderTargetTexture=!0}}class Qi{static{Qi.prototype.isMatrix4=!0}constructor(t,e,s,i,r,n,a,o,h,l,c,u,d,p,m,y){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,s,i,r,n,a,o,h,l,c,u,d,p,m,y)}set(t,e,s,i,r,n,a,o,h,l,c,u,d,p,m,y){const g=this.elements;return g[0]=t,g[4]=e,g[8]=s,g[12]=i,g[1]=r,g[5]=n,g[9]=a,g[13]=o,g[2]=h,g[6]=l,g[10]=c,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=y,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new Qi).fromArray(this.elements)}copy(t){const e=this.elements,s=t.elements;return e[0]=s[0],e[1]=s[1],e[2]=s[2],e[3]=s[3],e[4]=s[4],e[5]=s[5],e[6]=s[6],e[7]=s[7],e[8]=s[8],e[9]=s[9],e[10]=s[10],e[11]=s[11],e[12]=s[12],e[13]=s[13],e[14]=s[14],e[15]=s[15],this}copyPosition(t){const e=this.elements,s=t.elements;return e[12]=s[12],e[13]=s[13],e[14]=s[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,s){return 0===this.determinantAffine()?(t.set(1,0,0),e.set(0,1,0),s.set(0,0,1),this):(t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),s.setFromMatrixColumn(this,2),this)}makeBasis(t,e,s){return this.set(t.x,e.x,s.x,0,t.y,e.y,s.y,0,t.z,e.z,s.z,0,0,0,0,1),this}extractRotation(t){if(0===t.determinantAffine())return this.identity();const e=this.elements,s=t.elements,i=1/Ki.setFromMatrixColumn(t,0).length(),r=1/Ki.setFromMatrixColumn(t,1).length(),n=1/Ki.setFromMatrixColumn(t,2).length();return e[0]=s[0]*i,e[1]=s[1]*i,e[2]=s[2]*i,e[3]=0,e[4]=s[4]*r,e[5]=s[5]*r,e[6]=s[6]*r,e[7]=0,e[8]=s[8]*n,e[9]=s[9]*n,e[10]=s[10]*n,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,s=t.x,i=t.y,r=t.z,n=Math.cos(s),a=Math.sin(s),o=Math.cos(i),h=Math.sin(i),l=Math.cos(r),c=Math.sin(r);if("XYZ"===t.order){const t=n*l,s=n*c,i=a*l,r=a*c;e[0]=o*l,e[4]=-o*c,e[8]=h,e[1]=s+i*h,e[5]=t-r*h,e[9]=-a*o,e[2]=r-t*h,e[6]=i+s*h,e[10]=n*o}else if("YXZ"===t.order){const t=o*l,s=o*c,i=h*l,r=h*c;e[0]=t+r*a,e[4]=i*a-s,e[8]=n*h,e[1]=n*c,e[5]=n*l,e[9]=-a,e[2]=s*a-i,e[6]=r+t*a,e[10]=n*o}else if("ZXY"===t.order){const t=o*l,s=o*c,i=h*l,r=h*c;e[0]=t-r*a,e[4]=-n*c,e[8]=i+s*a,e[1]=s+i*a,e[5]=n*l,e[9]=r-t*a,e[2]=-n*h,e[6]=a,e[10]=n*o}else if("ZYX"===t.order){const t=n*l,s=n*c,i=a*l,r=a*c;e[0]=o*l,e[4]=i*h-s,e[8]=t*h+r,e[1]=o*c,e[5]=r*h+t,e[9]=s*h-i,e[2]=-h,e[6]=a*o,e[10]=n*o}else if("YZX"===t.order){const t=n*o,s=n*h,i=a*o,r=a*h;e[0]=o*l,e[4]=r-t*c,e[8]=i*c+s,e[1]=c,e[5]=n*l,e[9]=-a*l,e[2]=-h*l,e[6]=s*c+i,e[10]=t-r*c}else if("XZY"===t.order){const t=n*o,s=n*h,i=a*o,r=a*h;e[0]=o*l,e[4]=-c,e[8]=h*l,e[1]=t*c+r,e[5]=n*l,e[9]=s*c-i,e[2]=i*c-s,e[6]=a*l,e[10]=r*c+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(er,t,sr)}lookAt(t,e,s){const i=this.elements;return nr.subVectors(t,e),0===nr.lengthSq()&&(nr.z=1),nr.normalize(),ir.crossVectors(s,nr),0===ir.lengthSq()&&(1===Math.abs(s.z)?nr.x+=1e-4:nr.z+=1e-4,nr.normalize(),ir.crossVectors(s,nr)),ir.normalize(),rr.crossVectors(nr,ir),i[0]=ir.x,i[4]=rr.x,i[8]=nr.x,i[1]=ir.y,i[5]=rr.y,i[9]=nr.y,i[2]=ir.z,i[6]=rr.z,i[10]=nr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const s=t.elements,i=e.elements,r=this.elements,n=s[0],a=s[4],o=s[8],h=s[12],l=s[1],c=s[5],u=s[9],d=s[13],p=s[2],m=s[6],y=s[10],g=s[14],f=s[3],x=s[7],b=s[11],v=s[15],w=i[0],M=i[4],S=i[8],_=i[12],A=i[1],T=i[5],z=i[9],C=i[13],I=i[2],B=i[6],k=i[10],O=i[14],P=i[3],R=i[7],E=i[11],N=i[15];return r[0]=n*w+a*A+o*I+h*P,r[4]=n*M+a*T+o*B+h*R,r[8]=n*S+a*z+o*k+h*E,r[12]=n*_+a*C+o*O+h*N,r[1]=l*w+c*A+u*I+d*P,r[5]=l*M+c*T+u*B+d*R,r[9]=l*S+c*z+u*k+d*E,r[13]=l*_+c*C+u*O+d*N,r[2]=p*w+m*A+y*I+g*P,r[6]=p*M+m*T+y*B+g*R,r[10]=p*S+m*z+y*k+g*E,r[14]=p*_+m*C+y*O+g*N,r[3]=f*w+x*A+b*I+v*P,r[7]=f*M+x*T+b*B+v*R,r[11]=f*S+x*z+b*k+v*E,r[15]=f*_+x*C+b*O+v*N,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],s=t[4],i=t[8],r=t[12],n=t[1],a=t[5],o=t[9],h=t[13],l=t[2],c=t[6],u=t[10],d=t[14],p=t[3],m=t[7],y=t[11],g=t[15],f=o*d-h*u,x=a*d-h*c,b=a*u-o*c,v=n*d-h*l,w=n*u-o*l,M=n*c-a*l;return e*(m*f-y*x+g*b)-s*(p*f-y*v+g*w)+i*(p*x-m*v+g*M)-r*(p*b-m*w+y*M)}determinantAffine(){const t=this.elements,e=t[0],s=t[4],i=t[8],r=t[1],n=t[5],a=t[9],o=t[2],h=t[6],l=t[10];return e*(n*l-a*h)-s*(r*l-a*o)+i*(r*h-n*o)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,s){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=s),this}invert(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=t[9],u=t[10],d=t[11],p=t[12],m=t[13],y=t[14],g=t[15],f=e*a-s*n,x=e*o-i*n,b=e*h-r*n,v=s*o-i*a,w=s*h-r*a,M=i*h-r*o,S=l*m-c*p,_=l*y-u*p,A=l*g-d*p,T=c*y-u*m,z=c*g-d*m,C=u*g-d*y,I=f*C-x*z+b*T+v*A-w*_+M*S;if(0===I)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const B=1/I;return t[0]=(a*C-o*z+h*T)*B,t[1]=(i*z-s*C-r*T)*B,t[2]=(m*M-y*w+g*v)*B,t[3]=(u*w-c*M-d*v)*B,t[4]=(o*A-n*C-h*_)*B,t[5]=(e*C-i*A+r*_)*B,t[6]=(y*b-p*M-g*x)*B,t[7]=(l*M-u*b+d*x)*B,t[8]=(n*z-a*A+h*S)*B,t[9]=(s*A-e*z-r*S)*B,t[10]=(p*w-m*b+g*f)*B,t[11]=(c*b-l*w-d*f)*B,t[12]=(a*_-n*T-o*S)*B,t[13]=(e*T-s*_+i*S)*B,t[14]=(m*x-p*v-y*f)*B,t[15]=(l*v-c*x+u*f)*B,this}scale(t){const e=this.elements,s=t.x,i=t.y,r=t.z;return e[0]*=s,e[4]*=i,e[8]*=r,e[1]*=s,e[5]*=i,e[9]*=r,e[2]*=s,e[6]*=i,e[10]*=r,e[3]*=s,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],s=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,s,i))}makeTranslation(t,e,s){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,s,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),s=Math.sin(t);return this.set(1,0,0,0,0,e,-s,0,0,s,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,0,s,0,0,1,0,0,-s,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,-s,0,0,s,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const s=Math.cos(e),i=Math.sin(e),r=1-s,n=t.x,a=t.y,o=t.z,h=r*n,l=r*a;return this.set(h*n+s,h*a-i*o,h*o+i*a,0,h*a+i*o,l*a+s,l*o-i*n,0,h*o-i*a,l*o+i*n,r*o*o+s,0,0,0,0,1),this}makeScale(t,e,s){return this.set(t,0,0,0,0,e,0,0,0,0,s,0,0,0,0,1),this}makeShear(t,e,s,i,r,n){return this.set(1,s,r,0,t,1,n,0,e,i,1,0,0,0,0,1),this}compose(t,e,s){const i=this.elements,r=e._x,n=e._y,a=e._z,o=e._w,h=r+r,l=n+n,c=a+a,u=r*h,d=r*l,p=r*c,m=n*l,y=n*c,g=a*c,f=o*h,x=o*l,b=o*c,v=s.x,w=s.y,M=s.z;return i[0]=(1-(m+g))*v,i[1]=(d+b)*v,i[2]=(p-x)*v,i[3]=0,i[4]=(d-b)*w,i[5]=(1-(u+g))*w,i[6]=(y+f)*w,i[7]=0,i[8]=(p+x)*M,i[9]=(y-f)*M,i[10]=(1-(u+m))*M,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,s){const i=this.elements;t.x=i[12],t.y=i[13],t.z=i[14];const r=this.determinantAffine();if(0===r)return s.set(1,1,1),e.identity(),this;let n=Ki.set(i[0],i[1],i[2]).length();const a=Ki.set(i[4],i[5],i[6]).length(),o=Ki.set(i[8],i[9],i[10]).length();r<0&&(n=-n),tr.copy(this);const h=1/n,l=1/a,c=1/o;return tr.elements[0]*=h,tr.elements[1]*=h,tr.elements[2]*=h,tr.elements[4]*=l,tr.elements[5]*=l,tr.elements[6]*=l,tr.elements[8]*=c,tr.elements[9]*=c,tr.elements[10]*=c,e.setFromRotationMatrix(tr),s.x=n,s.y=a,s.z=o,this}makePerspective(t,e,s,i,r,n,a=2e3,o=!1){const h=this.elements,l=2*r/(e-t),c=2*r/(s-i),u=(e+t)/(e-t),d=(s+i)/(s-i);let p,m;if(o)p=r/(n-r),m=n*r/(n-r);else if(a===Ws)p=-(n+r)/(n-r),m=-2*n*r/(n-r);else{if(a!==Js)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);p=-n/(n-r),m=-n*r/(n-r)}return h[0]=l,h[4]=0,h[8]=u,h[12]=0,h[1]=0,h[5]=c,h[9]=d,h[13]=0,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=-1,h[15]=0,this}makeOrthographic(t,e,s,i,r,n,a=2e3,o=!1){const h=this.elements,l=2/(e-t),c=2/(s-i),u=-(e+t)/(e-t),d=-(s+i)/(s-i);let p,m;if(o)p=1/(n-r),m=n/(n-r);else if(a===Ws)p=-2/(n-r),m=-(n+r)/(n-r);else{if(a!==Js)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=-1/(n-r),m=-r/(n-r)}return h[0]=l,h[4]=0,h[8]=0,h[12]=u,h[1]=0,h[5]=c,h[9]=0,h[13]=d,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=0,h[15]=1,this}equals(t){const e=this.elements,s=t.elements;for(let t=0;t<16;t++)if(e[t]!==s[t])return!1;return!0}fromArray(t,e=0){for(let s=0;s<16;s++)this.elements[s]=t[s+e];return this}toArray(t=[],e=0){const s=this.elements;return t[e]=s[0],t[e+1]=s[1],t[e+2]=s[2],t[e+3]=s[3],t[e+4]=s[4],t[e+5]=s[5],t[e+6]=s[6],t[e+7]=s[7],t[e+8]=s[8],t[e+9]=s[9],t[e+10]=s[10],t[e+11]=s[11],t[e+12]=s[12],t[e+13]=s[13],t[e+14]=s[14],t[e+15]=s[15],t}}const Ki=new Ti,tr=new Qi,er=new Ti(0,0,0),sr=new Ti(1,1,1),ir=new Ti,rr=new Ti,nr=new Ti,ar=new Qi,or=new Ai;class hr{constructor(t=0,e=0,s=0,i=hr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=s,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,s,i=this._order){return this._x=t,this._y=e,this._z=s,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,s=!0){const i=t.elements,r=i[0],n=i[4],a=i[8],o=i[1],h=i[5],l=i[9],c=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(xi(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-l,d),this._z=Math.atan2(-n,r)):(this._x=Math.atan2(u,h),this._z=0);break;case"YXZ":this._x=Math.asin(-xi(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,h)):(this._y=Math.atan2(-c,r),this._z=0);break;case"ZXY":this._x=Math.asin(xi(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-c,d),this._z=Math.atan2(-n,h)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-xi(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-n,h));break;case"YZX":this._z=Math.asin(xi(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,h),this._y=Math.atan2(-c,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-xi(n,-1,1)),Math.abs(n)<.9999999?(this._x=Math.atan2(u,h),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-l,d),this._y=0);break;default:ai("Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===s&&this._onChangeCallback(),this}setFromQuaternion(t,e,s){return ar.makeRotationFromQuaternion(t),this.setFromRotationMatrix(ar,e,s)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return or.setFromEuler(this),this.setFromQuaternion(or,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}hr.DEFAULT_ORDER="XYZ";class lr{constructor(){this.mask=1}set(t){this.mask=1<<t>>>0}enable(t){this.mask|=1<<t}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t}disable(t){this.mask&=~(1<<t)}disableAll(){this.mask=0}test(t){return 0!==(this.mask&t.mask)}isEnabled(t){return!!(this.mask&1<<t)}}let cr=0;const ur=new Ti,dr=new Ai,pr=new Qi,mr=new Ti,yr=new Ti,gr=new Ti,fr=new Ai,xr=new Ti(1,0,0),br=new Ti(0,1,0),vr=new Ti(0,0,1),wr={type:"added"},Mr={type:"removed"},Sr={type:"childadded",child:null},_r={type:"childremoved",child:null};class Ar extends di{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:cr++}),this.uuid=fi(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Ar.DEFAULT_UP.clone();const t=new Ti,e=new hr,s=new Ai,i=new Ti(1,1,1);e._onChange(function(){s.setFromEuler(e,!1)}),s._onChange(function(){e.setFromQuaternion(s,void 0,!1)}),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:s},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new Qi},normalMatrix:{value:new Ii}}),this.matrix=new Qi,this.matrixWorld=new Qi,this.matrixAutoUpdate=Ar.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=Ar.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new lr,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.customDepthMaterial=void 0,this.customDistanceMaterial=void 0,this.static=!1,this.userData={},this.pivot=null}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return dr.setFromAxisAngle(t,e),this.quaternion.multiply(dr),this}rotateOnWorldAxis(t,e){return dr.setFromAxisAngle(t,e),this.quaternion.premultiply(dr),this}rotateX(t){return this.rotateOnAxis(xr,t)}rotateY(t){return this.rotateOnAxis(br,t)}rotateZ(t){return this.rotateOnAxis(vr,t)}translateOnAxis(t,e){return ur.copy(t).applyQuaternion(this.quaternion),this.position.add(ur.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(xr,t)}translateY(t){return this.translateOnAxis(br,t)}translateZ(t){return this.translateOnAxis(vr,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(pr.copy(this.matrixWorld).invert())}lookAt(t,e,s){t.isVector3?mr.copy(t):mr.set(t,e,s);const i=this.parent;this.updateWorldMatrix(!0,!1),yr.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?pr.lookAt(yr,mr,this.up):pr.lookAt(mr,yr,this.up),this.quaternion.setFromRotationMatrix(pr),i&&(pr.extractRotation(i.matrixWorld),dr.setFromRotationMatrix(pr),this.quaternion.premultiply(dr.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(oi("Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(t.removeFromParent(),t.parent=this,this.children.push(t),t.dispatchEvent(wr),Sr.child=t,this.dispatchEvent(Sr),Sr.child=null):oi("Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(Mr),_r.child=t,this.dispatchEvent(_r),_r.child=null),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){return this.remove(...this.children)}attach(t){return this.updateWorldMatrix(!0,!1),pr.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),pr.multiply(t.parent.matrixWorld)),t.applyMatrix4(pr),t.removeFromParent(),t.parent=this,this.children.push(t),t.updateWorldMatrix(!1,!0),t.dispatchEvent(wr),Sr.child=t,this.dispatchEvent(Sr),Sr.child=null,this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let s=0,i=this.children.length;s<i;s++){const i=this.children[s].getObjectByProperty(t,e);if(void 0!==i)return i}}getObjectsByProperty(t,e,s=[]){this[t]===e&&s.push(this);const i=this.children;for(let r=0,n=i.length;r<n;r++)i[r].getObjectsByProperty(t,e,s);return s}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(yr,t,gr),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(yr,fr,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let s=0,i=e.length;s<i;s++)e[s].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let s=0,i=e.length;s<i;s++)e[s].traverseVisible(t)}traverseAncestors(t){const e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale);const t=this.pivot;if(null!==t){const e=t.x,s=t.y,i=t.z,r=this.matrix.elements;r[12]+=e-r[0]*e-r[4]*s-r[8]*i,r[13]+=s-r[1]*e-r[5]*s-r[9]*i,r[14]+=i-r[2]*e-r[6]*s-r[10]*i}this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let s=0,i=e.length;s<i;s++){e[s].updateMatrixWorld(t)}}updateWorldMatrix(t,e,s=!1){const i=this.parent;if(!0===t&&null!==i&&i.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||s)&&(!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,s=!0),!0===e){const t=this.children;for(let e=0,i=t.length;e<i;e++){t[e].updateWorldMatrix(!1,!0,s)}}}toJSON(t){const e=void 0===t||"string"==typeof t,s={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},s.metadata={version:4.7,type:"Object",generator:"Object3D.toJSON"});const i={};function r(e,s){return void 0===e[s.uuid]&&(e[s.uuid]=s.toJSON(t)),s.uuid}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),!0===this.castShadow&&(i.castShadow=!0),!0===this.receiveShadow&&(i.receiveShadow=!0),!1===this.visible&&(i.visible=!1),!1===this.frustumCulled&&(i.frustumCulled=!1),0!==this.renderOrder&&(i.renderOrder=this.renderOrder),!1!==this.static&&(i.static=this.static),Object.keys(this.userData).length>0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),null!==this.pivot&&(i.pivot=this.pivot.toArray()),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),void 0!==this.morphTargetDictionary&&(i.morphTargetDictionary=Object.assign({},this.morphTargetDictionary)),void 0!==this.morphTargetInfluences&&(i.morphTargetInfluences=this.morphTargetInfluences.slice()),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.geometryInfo=this._geometryInfo.map(t=>({...t,boundingBox:t.boundingBox?t.boundingBox.toJSON():void 0,boundingSphere:t.boundingSphere?t.boundingSphere.toJSON():void 0})),i.instanceInfo=this._instanceInfo.map(t=>({...t})),i.availableInstanceIds=this._availableInstanceIds.slice(),i.availableGeometryIds=this._availableGeometryIds.slice(),i.nextIndexStart=this._nextIndexStart,i.nextVertexStart=this._nextVertexStart,i.geometryCount=this._geometryCount,i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.matricesTexture=this._matricesTexture.toJSON(t),i.indirectTexture=this._indirectTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere=this.boundingSphere.toJSON()),null!==this.boundingBox&&(i.boundingBox=this.boundingBox.toJSON())),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const s=e.shapes;if(Array.isArray(s))for(let e=0,i=s.length;e<i;e++){const i=s[e];r(t.shapes,i)}else r(t.shapes,s)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let s=0,i=this.material.length;s<i;s++)e.push(r(t.materials,this.material[s]));i.material=e}else i.material=r(t.materials,this.material);if(this.children.length>0){i.children=[];for(let e=0;e<this.children.length;e++)i.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){i.animations=[];for(let e=0;e<this.animations.length;e++){const s=this.animations[e];i.animations.push(r(t.animations,s))}}if(e){const e=n(t.geometries),i=n(t.materials),r=n(t.textures),a=n(t.images),o=n(t.shapes),h=n(t.skeletons),l=n(t.animations),c=n(t.nodes);e.length>0&&(s.geometries=e),i.length>0&&(s.materials=i),r.length>0&&(s.textures=r),a.length>0&&(s.images=a),o.length>0&&(s.shapes=o),h.length>0&&(s.skeletons=h),l.length>0&&(s.animations=l),c.length>0&&(s.nodes=c)}return s.object=i,s;function n(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.pivot=null!==t.pivot?t.pivot.clone():null,this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.static=t.static,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e<t.children.length;e++){const s=t.children[e];this.add(s.clone())}return this}}Ar.DEFAULT_UP=new Ti(0,1,0),Ar.DEFAULT_MATRIX_AUTO_UPDATE=!0,Ar.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;class Tr extends Ar{constructor(){super(),this.isGroup=!0,this.type="Group"}}const zr={type:"move"};class Cr{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Tr,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new Tr,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new Ti,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new Ti),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Tr,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new Ti,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new Ti,this._grip.eventsEnabled=!1),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}connect(t){if(t&&t.hand){const e=this._hand;if(e)for(const s of t.hand.values())this._getHandJoint(e,s)}return this.dispatchEvent({type:"connected",data:t}),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,s){let i=null,r=null,n=null;const a=this._targetRay,o=this._grip,h=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(h&&t.hand){n=!0;for(const i of t.hand.values()){const t=e.getJointPose(i,s),r=this._getHandJoint(h,i);null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.matrixWorldNeedsUpdate=!0,r.jointRadius=t.radius),r.visible=null!==t}const i=h.joints["index-finger-tip"],r=h.joints["thumb-tip"],a=i.position.distanceTo(r.position),o=.02,l=.005;h.inputState.pinching&&a>o+l?(h.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!h.inputState.pinching&&a<=o-l&&(h.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,s),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1,o.eventsEnabled&&o.dispatchEvent({type:"gripUpdated",data:t,target:this})));null!==a&&(i=e.getPose(t.targetRaySpace,s),null===i&&null!==r&&(i=r),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(zr)))}return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==h&&(h.visible=null!==n),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const s=new Tr;s.matrixAutoUpdate=!1,s.visible=!1,t.joints[e.jointName]=s,t.add(s)}return t.joints[e.jointName]}}const Ir={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Br={h:0,s:0,l:0},kr={h:0,s:0,l:0};function Or(t,e,s){return s<0&&(s+=1),s>1&&(s-=1),s<1/6?t+6*(e-t)*s:s<.5?e:s<2/3?t+6*(e-t)*(2/3-s):t}class Pr{constructor(t,e,s){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,s)}set(t,e,s){if(void 0===e&&void 0===s){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,s);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=es){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Ri.colorSpaceToWorking(this,e),this}setRGB(t,e,s,i=Ri.workingColorSpace){return this.r=t,this.g=e,this.b=s,Ri.colorSpaceToWorking(this,i),this}setHSL(t,e,s,i=Ri.workingColorSpace){if(t=bi(t,1),e=xi(e,0,1),s=xi(s,0,1),0===e)this.r=this.g=this.b=s;else{const i=s<=.5?s*(1+e):s+e-s*e,r=2*s-i;this.r=Or(r,i,t+1/3),this.g=Or(r,i,t),this.b=Or(r,i,t-1/3)}return Ri.colorSpaceToWorking(this,i),this}setStyle(t,e=es){function s(e){void 0!==e&&parseFloat(e)<1&&ai("Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const n=i[1],a=i[2];switch(n){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return s(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return s(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return s(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:ai("Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const s=i[1],r=s.length;if(3===r)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(s,16),e);ai("Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=es){const s=Ir[t.toLowerCase()];return void 0!==s?this.setHex(s,e):ai("Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Ei(t.r),this.g=Ei(t.g),this.b=Ei(t.b),this}copyLinearToSRGB(t){return this.r=Ni(t.r),this.g=Ni(t.g),this.b=Ni(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=es){return Ri.workingToColorSpace(Rr.copy(this),t),65536*Math.round(xi(255*Rr.r,0,255))+256*Math.round(xi(255*Rr.g,0,255))+Math.round(xi(255*Rr.b,0,255))}getHexString(t=es){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Ri.workingColorSpace){Ri.workingToColorSpace(Rr.copy(this),e);const s=Rr.r,i=Rr.g,r=Rr.b,n=Math.max(s,i,r),a=Math.min(s,i,r);let o,h;const l=(a+n)/2;if(a===n)o=0,h=0;else{const t=n-a;switch(h=l<=.5?t/(n+a):t/(2-n-a),n){case s:o=(i-r)/t+(i<r?6:0);break;case i:o=(r-s)/t+2;break;case r:o=(s-i)/t+4}o/=6}return t.h=o,t.s=h,t.l=l,t}getRGB(t,e=Ri.workingColorSpace){return Ri.workingToColorSpace(Rr.copy(this),e),t.r=Rr.r,t.g=Rr.g,t.b=Rr.b,t}getStyle(t=es){Ri.workingToColorSpace(Rr.copy(this),t);const e=Rr.r,s=Rr.g,i=Rr.b;return t!==es?`color(${t} ${e.toFixed(3)} ${s.toFixed(3)} ${i.toFixed(3)})`:`rgb(${Math.round(255*e)},${Math.round(255*s)},${Math.round(255*i)})`}offsetHSL(t,e,s){return this.getHSL(Br),this.setHSL(Br.h+t,Br.s+e,Br.l+s)}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,s){return this.r=t.r+(e.r-t.r)*s,this.g=t.g+(e.g-t.g)*s,this.b=t.b+(e.b-t.b)*s,this}lerpHSL(t,e){this.getHSL(Br),t.getHSL(kr);const s=vi(Br.h,kr.h,e),i=vi(Br.s,kr.s,e),r=vi(Br.l,kr.l,e);return this.setHSL(s,i,r),this}setFromVector3(t){return this.r=t.x,this.g=t.y,this.b=t.z,this}applyMatrix3(t){const e=this.r,s=this.g,i=this.b,r=t.elements;return this.r=r[0]*e+r[3]*s+r[6]*i,this.g=r[1]*e+r[4]*s+r[7]*i,this.b=r[2]*e+r[5]*s+r[8]*i,this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}const Rr=new Pr;Pr.NAMES=Ir;class Er{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Pr(t),this.density=e}clone(){return new Er(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class Nr{constructor(t,e=1,s=1e3){this.isFog=!0,this.name="",this.color=new Pr(t),this.near=e,this.far=s}clone(){return new Nr(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class Vr extends Ar{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new hr,this.environmentIntensity=1,this.environmentRotation=new hr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}const Lr=new Ti,Fr=new Ti,Dr=new Ti,Ur=new Ti,jr=new Ti,Wr=new Ti,Jr=new Ti,qr=new Ti,Hr=new Ti,Xr=new Ti,Yr=new qi,Zr=new qi,Gr=new qi;class $r{constructor(t=new Ti,e=new Ti,s=new Ti){this.a=t,this.b=e,this.c=s}static getNormal(t,e,s,i){i.subVectors(s,e),Lr.subVectors(t,e),i.cross(Lr);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,s,i,r){Lr.subVectors(i,e),Fr.subVectors(s,e),Dr.subVectors(t,e);const n=Lr.dot(Lr),a=Lr.dot(Fr),o=Lr.dot(Dr),h=Fr.dot(Fr),l=Fr.dot(Dr),c=n*h-a*a;if(0===c)return r.set(0,0,0),null;const u=1/c,d=(h*o-a*l)*u,p=(n*l-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,s,i){return null!==this.getBarycoord(t,e,s,i,Ur)&&(Ur.x>=0&&Ur.y>=0&&Ur.x+Ur.y<=1)}static getInterpolation(t,e,s,i,r,n,a,o){return null===this.getBarycoord(t,e,s,i,Ur)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Ur.x),o.addScaledVector(n,Ur.y),o.addScaledVector(a,Ur.z),o)}static getInterpolatedAttribute(t,e,s,i,r,n){return Yr.setScalar(0),Zr.setScalar(0),Gr.setScalar(0),Yr.fromBufferAttribute(t,e),Zr.fromBufferAttribute(t,s),Gr.fromBufferAttribute(t,i),n.setScalar(0),n.addScaledVector(Yr,r.x),n.addScaledVector(Zr,r.y),n.addScaledVector(Gr,r.z),n}static isFrontFacing(t,e,s,i){return Lr.subVectors(s,e),Fr.subVectors(t,e),Lr.cross(Fr).dot(i)<0}set(t,e,s){return this.a.copy(t),this.b.copy(e),this.c.copy(s),this}setFromPointsAndIndices(t,e,s,i){return this.a.copy(t[e]),this.b.copy(t[s]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,s,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,s),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Lr.subVectors(this.c,this.b),Fr.subVectors(this.a,this.b),.5*Lr.cross(Fr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return $r.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return $r.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,s,i,r){return $r.getInterpolation(t,this.a,this.b,this.c,e,s,i,r)}containsPoint(t){return $r.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return $r.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const s=this.a,i=this.b,r=this.c;let n,a;jr.subVectors(i,s),Wr.subVectors(r,s),qr.subVectors(t,s);const o=jr.dot(qr),h=Wr.dot(qr);if(o<=0&&h<=0)return e.copy(s);Hr.subVectors(t,i);const l=jr.dot(Hr),c=Wr.dot(Hr);if(l>=0&&c<=l)return e.copy(i);const u=o*c-l*h;if(u<=0&&o>=0&&l<=0)return n=o/(o-l),e.copy(s).addScaledVector(jr,n);Xr.subVectors(t,r);const d=jr.dot(Xr),p=Wr.dot(Xr);if(p>=0&&d<=p)return e.copy(r);const m=d*h-o*p;if(m<=0&&h>=0&&p<=0)return a=h/(h-p),e.copy(s).addScaledVector(Wr,a);const y=l*p-d*c;if(y<=0&&c-l>=0&&d-p>=0)return Jr.subVectors(r,i),a=(c-l)/(c-l+(d-p)),e.copy(i).addScaledVector(Jr,a);const g=1/(y+m+u);return n=m*g,a=u*g,e.copy(s).addScaledVector(jr,n).addScaledVector(Wr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}class Qr{constructor(t=new Ti(1/0,1/0,1/0),e=new Ti(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,s=t.length;e<s;e+=3)this.expandByPoint(tn.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,s=t.count;e<s;e++)this.expandByPoint(tn.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,s=t.length;e<s;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const s=tn.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(s),this.max.copy(t).add(s),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const s=t.geometry;if(void 0!==s){const i=s.getAttribute("position");if(!0===e&&void 0!==i&&!0!==t.isInstancedMesh)for(let e=0,s=i.count;e<s;e++)!0===t.isMesh?t.getVertexPosition(e,tn):tn.fromBufferAttribute(i,e),tn.applyMatrix4(t.matrixWorld),this.expandByPoint(tn);else void 0!==t.boundingBox?(null===t.boundingBox&&t.computeBoundingBox(),en.copy(t.boundingBox)):(null===s.boundingBox&&s.computeBoundingBox(),en.copy(s.boundingBox)),en.applyMatrix4(t.matrixWorld),this.union(en)}const i=t.children;for(let t=0,s=i.length;t<s;t++)this.expandByObject(i[t],e);return this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y&&t.z>=this.min.z&&t.z<=this.max.z}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y&&t.max.z>=this.min.z&&t.min.z<=this.max.z}intersectsSphere(t){return this.clampPoint(t.center,tn),tn.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,s;return t.normal.x>0?(e=t.normal.x*this.min.x,s=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,s=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,s+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,s+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,s+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,s+=t.normal.z*this.min.z),e<=-t.constant&&s>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(ln),cn.subVectors(this.max,ln),sn.subVectors(t.a,ln),rn.subVectors(t.b,ln),nn.subVectors(t.c,ln),an.subVectors(rn,sn),on.subVectors(nn,rn),hn.subVectors(sn,nn);let e=[0,-an.z,an.y,0,-on.z,on.y,0,-hn.z,hn.y,an.z,0,-an.x,on.z,0,-on.x,hn.z,0,-hn.x,-an.y,an.x,0,-on.y,on.x,0,-hn.y,hn.x,0];return!!pn(e,sn,rn,nn,cn)&&(e=[1,0,0,0,1,0,0,0,1],!!pn(e,sn,rn,nn,cn)&&(un.crossVectors(an,on),e=[un.x,un.y,un.z],pn(e,sn,rn,nn,cn)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,tn).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(tn).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Kr[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Kr[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Kr[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Kr[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Kr[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Kr[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Kr[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Kr[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Kr)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}toJSON(){return{min:this.min.toArray(),max:this.max.toArray()}}fromJSON(t){return this.min.fromArray(t.min),this.max.fromArray(t.max),this}}const Kr=[new Ti,new Ti,new Ti,new Ti,new Ti,new Ti,new Ti,new Ti],tn=new Ti,en=new Qr,sn=new Ti,rn=new Ti,nn=new Ti,an=new Ti,on=new Ti,hn=new Ti,ln=new Ti,cn=new Ti,un=new Ti,dn=new Ti;function pn(t,e,s,i,r){for(let n=0,a=t.length-3;n<=a;n+=3){dn.fromArray(t,n);const a=r.x*Math.abs(dn.x)+r.y*Math.abs(dn.y)+r.z*Math.abs(dn.z),o=e.dot(dn),h=s.dot(dn),l=i.dot(dn);if(Math.max(-Math.max(o,h,l),Math.min(o,h,l))>a)return!1}return!0}const mn=yn();function yn(){const t=new ArrayBuffer(4),e=new Float32Array(t),s=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const n=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,s=0;for(;!(8388608&e);)e<<=1,s-=8388608;e&=-8388609,s+=947912704,n[t]=e|s}for(let t=1024;t<2048;++t)n[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:s,baseTable:i,shiftTable:r,mantissaTable:n,exponentTable:a,offsetTable:o}}function gn(t){Math.abs(t)>65504&&ai("DataUtils.toHalfFloat(): Value out of range."),t=xi(t,-65504,65504),mn.floatView[0]=t;const e=mn.uint32View[0],s=e>>23&511;return mn.baseTable[s]+((8388607&e)>>mn.shiftTable[s])}function fn(t){const e=t>>10;return mn.uint32View[0]=mn.mantissaTable[mn.offsetTable[e]+(1023&t)]+mn.exponentTable[e],mn.floatView[0]}class xn{static toHalfFloat(t){return gn(t)}static fromHalfFloat(t){return fn(t)}}const bn=new Ti,vn=new _i;let wn=0;class Mn extends di{constructor(t,e,s=!1){if(super(),Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:wn++}),this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=s,this.usage=Os,this.updateRanges=[],this.gpuType=Pt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,s){t*=this.itemSize,s*=e.itemSize;for(let i=0,r=this.itemSize;i<r;i++)this.array[t+i]=e.array[s+i];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,s=this.count;e<s;e++)vn.fromBufferAttribute(this,e),vn.applyMatrix3(t),this.setXY(e,vn.x,vn.y);else if(3===this.itemSize)for(let e=0,s=this.count;e<s;e++)bn.fromBufferAttribute(this,e),bn.applyMatrix3(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}applyMatrix4(t){for(let e=0,s=this.count;e<s;e++)bn.fromBufferAttribute(this,e),bn.applyMatrix4(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}applyNormalMatrix(t){for(let e=0,s=this.count;e<s;e++)bn.fromBufferAttribute(this,e),bn.applyNormalMatrix(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}transformDirection(t){for(let e=0,s=this.count;e<s;e++)bn.fromBufferAttribute(this,e),bn.transformDirection(t),this.setXYZ(e,bn.x,bn.y,bn.z);return this}set(t,e=0){return this.array.set(t,e),this}getComponent(t,e){let s=this.array[t*this.itemSize+e];return this.normalized&&(s=wi(s,this.array)),s}setComponent(t,e,s){return this.normalized&&(s=Mi(s,this.array)),this.array[t*this.itemSize+e]=s,this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=wi(e,this.array)),e}setX(t,e){return this.normalized&&(e=Mi(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=wi(e,this.array)),e}setY(t,e){return this.normalized&&(e=Mi(e,this.array)),this.array[t*this.itemSize+1]=e,this}getZ(t){let e=this.array[t*this.itemSize+2];return this.normalized&&(e=wi(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Mi(e,this.array)),this.array[t*this.itemSize+2]=e,this}getW(t){let e=this.array[t*this.itemSize+3];return this.normalized&&(e=wi(e,this.array)),e}setW(t,e){return this.normalized&&(e=Mi(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,s){return t*=this.itemSize,this.normalized&&(e=Mi(e,this.array),s=Mi(s,this.array)),this.array[t+0]=e,this.array[t+1]=s,this}setXYZ(t,e,s,i){return t*=this.itemSize,this.normalized&&(e=Mi(e,this.array),s=Mi(s,this.array),i=Mi(i,this.array)),this.array[t+0]=e,this.array[t+1]=s,this.array[t+2]=i,this}setXYZW(t,e,s,i,r){return t*=this.itemSize,this.normalized&&(e=Mi(e,this.array),s=Mi(s,this.array),i=Mi(i,this.array),r=Mi(r,this.array)),this.array[t+0]=e,this.array[t+1]=s,this.array[t+2]=i,this.array[t+3]=r,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(t.name=this.name),this.usage!==Os&&(t.usage=this.usage),t}dispose(){this.dispatchEvent({type:"dispose"})}}class Sn extends Mn{constructor(t,e,s){super(new Int8Array(t),e,s)}}class _n extends Mn{constructor(t,e,s){super(new Uint8Array(t),e,s)}}class An extends Mn{constructor(t,e,s){super(new Uint8ClampedArray(t),e,s)}}class Tn extends Mn{constructor(t,e,s){super(new Int16Array(t),e,s)}}class zn extends Mn{constructor(t,e,s){super(new Uint16Array(t),e,s)}}class Cn extends Mn{constructor(t,e,s){super(new Int32Array(t),e,s)}}class In extends Mn{constructor(t,e,s){super(new Uint32Array(t),e,s)}}class Bn extends Mn{constructor(t,e,s){super(new Uint16Array(t),e,s),this.isFloat16BufferAttribute=!0}getX(t){let e=fn(this.array[t*this.itemSize]);return this.normalized&&(e=wi(e,this.array)),e}setX(t,e){return this.normalized&&(e=Mi(e,this.array)),this.array[t*this.itemSize]=gn(e),this}getY(t){let e=fn(this.array[t*this.itemSize+1]);return this.normalized&&(e=wi(e,this.array)),e}setY(t,e){return this.normalized&&(e=Mi(e,this.array)),this.array[t*this.itemSize+1]=gn(e),this}getZ(t){let e=fn(this.array[t*this.itemSize+2]);return this.normalized&&(e=wi(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Mi(e,this.array)),this.array[t*this.itemSize+2]=gn(e),this}getW(t){let e=fn(this.array[t*this.itemSize+3]);return this.normalized&&(e=wi(e,this.array)),e}setW(t,e){return this.normalized&&(e=Mi(e,this.array)),this.array[t*this.itemSize+3]=gn(e),this}setXY(t,e,s){return t*=this.itemSize,this.normalized&&(e=Mi(e,this.array),s=Mi(s,this.array)),this.array[t+0]=gn(e),this.array[t+1]=gn(s),this}setXYZ(t,e,s,i){return t*=this.itemSize,this.normalized&&(e=Mi(e,this.array),s=Mi(s,this.array),i=Mi(i,this.array)),this.array[t+0]=gn(e),this.array[t+1]=gn(s),this.array[t+2]=gn(i),this}setXYZW(t,e,s,i,r){return t*=this.itemSize,this.normalized&&(e=Mi(e,this.array),s=Mi(s,this.array),i=Mi(i,this.array),r=Mi(r,this.array)),this.array[t+0]=gn(e),this.array[t+1]=gn(s),this.array[t+2]=gn(i),this.array[t+3]=gn(r),this}}class kn extends Mn{constructor(t,e,s){super(new Float32Array(t),e,s)}}const On=new Qr,Pn=new Ti,Rn=new Ti;class En{constructor(t=new Ti,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const s=this.center;void 0!==e?s.copy(e):On.setFromPoints(t).getCenter(s);let i=0;for(let e=0,r=t.length;e<r;e++)i=Math.max(i,s.distanceToSquared(t[e]));return this.radius=Math.sqrt(i),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const s=this.center.distanceToSquared(t);return e.copy(t),s>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Pn.subVectors(t,this.center);const e=Pn.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),s=.5*(t-this.radius);this.center.addScaledVector(Pn,s/t),this.radius+=s}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Rn.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Pn.copy(t.center).add(Rn)),this.expandByPoint(Pn.copy(t.center).sub(Rn))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}toJSON(){return{radius:this.radius,center:this.center.toArray()}}fromJSON(t){return this.radius=t.radius,this.center.fromArray(t.center),this}}let Nn=0;const Vn=new Qi,Ln=new Ar,Fn=new Ti,Dn=new Qr,Un=new Qr,jn=new Ti;class Wn extends di{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Nn++}),this.uuid=fi(),this.name="",this.type="BufferGeometry",this.index=null,this.indirect=null,this.indirectOffset=0,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={},this._transformed=!1}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(function(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}(t)?In:zn)(t,1):this.index=t,this}setIndirect(t,e=0){return this.indirect=t,this.indirectOffset=e,this}getIndirect(){return this.indirect}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,s=0){this.groups.push({start:t,count:e,materialIndex:s})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const s=this.attributes.normal;if(void 0!==s){const e=(new Ii).getNormalMatrix(t);s.applyNormalMatrix(e),s.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this._transformed=!0,this}applyQuaternion(t){return Vn.makeRotationFromQuaternion(t),this.applyMatrix4(Vn),this}rotateX(t){return Vn.makeRotationX(t),this.applyMatrix4(Vn),this}rotateY(t){return Vn.makeRotationY(t),this.applyMatrix4(Vn),this}rotateZ(t){return Vn.makeRotationZ(t),this.applyMatrix4(Vn),this}translate(t,e,s){return Vn.makeTranslation(t,e,s),this.applyMatrix4(Vn),this}scale(t,e,s){return Vn.makeScale(t,e,s),this.applyMatrix4(Vn),this}lookAt(t){return Ln.lookAt(t),Ln.updateMatrix(),this.applyMatrix4(Ln.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Fn).negate(),this.translate(Fn.x,Fn.y,Fn.z),this}setFromPoints(t){const e=this.getAttribute("position");if(void 0===e){const e=[];for(let s=0,i=t.length;s<i;s++){const i=t[s];e.push(i.x,i.y,i.z||0)}this.setAttribute("position",new kn(e,3))}else{const s=Math.min(t.length,e.count);for(let i=0;i<s;i++){const s=t[i];e.setXYZ(i,s.x,s.y,s.z||0)}t.length>e.count&&ai("BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),e.needsUpdate=!0}return this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Qr);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return oi("BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),void this.boundingBox.set(new Ti(-1/0,-1/0,-1/0),new Ti(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,s=e.length;t<s;t++){const s=e[t];Dn.setFromBufferAttribute(s),this.morphTargetsRelative?(jn.addVectors(this.boundingBox.min,Dn.min),this.boundingBox.expandByPoint(jn),jn.addVectors(this.boundingBox.max,Dn.max),this.boundingBox.expandByPoint(jn)):(this.boundingBox.expandByPoint(Dn.min),this.boundingBox.expandByPoint(Dn.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&oi('BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new En);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return oi("BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),void this.boundingSphere.set(new Ti,1/0);if(t){const s=this.boundingSphere.center;if(Dn.setFromBufferAttribute(t),e)for(let t=0,s=e.length;t<s;t++){const s=e[t];Un.setFromBufferAttribute(s),this.morphTargetsRelative?(jn.addVectors(Dn.min,Un.min),Dn.expandByPoint(jn),jn.addVectors(Dn.max,Un.max),Dn.expandByPoint(jn)):(Dn.expandByPoint(Un.min),Dn.expandByPoint(Un.max))}Dn.getCenter(s);let i=0;for(let e=0,r=t.count;e<r;e++)jn.fromBufferAttribute(t,e),i=Math.max(i,s.distanceToSquared(jn));if(e)for(let r=0,n=e.length;r<n;r++){const n=e[r],a=this.morphTargetsRelative;for(let e=0,r=n.count;e<r;e++)jn.fromBufferAttribute(n,e),a&&(Fn.fromBufferAttribute(t,e),jn.add(Fn)),i=Math.max(i,s.distanceToSquared(jn))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&oi('BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void oi("BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const s=e.position,i=e.normal,r=e.uv;let n=this.getAttribute("tangent");void 0!==n&&n.count===s.count||(n=new Mn(new Float32Array(4*s.count),4),this.setAttribute("tangent",n));const a=[],o=[];for(let t=0;t<s.count;t++)a[t]=new Ti,o[t]=new Ti;const h=new Ti,l=new Ti,c=new Ti,u=new _i,d=new _i,p=new _i,m=new Ti,y=new Ti;function g(t,e,i){h.fromBufferAttribute(s,t),l.fromBufferAttribute(s,e),c.fromBufferAttribute(s,i),u.fromBufferAttribute(r,t),d.fromBufferAttribute(r,e),p.fromBufferAttribute(r,i),l.sub(h),c.sub(h),d.sub(u),p.sub(u);const n=1/(d.x*p.y-p.x*d.y);isFinite(n)&&(m.copy(l).multiplyScalar(p.y).addScaledVector(c,-d.y).multiplyScalar(n),y.copy(c).multiplyScalar(d.x).addScaledVector(l,-p.x).multiplyScalar(n),a[t].add(m),a[e].add(m),a[i].add(m),o[t].add(y),o[e].add(y),o[i].add(y))}let f=this.groups;0===f.length&&(f=[{start:0,count:t.count}]);for(let e=0,s=f.length;e<s;++e){const s=f[e],i=s.start;for(let e=i,r=i+s.count;e<r;e+=3)g(t.getX(e+0),t.getX(e+1),t.getX(e+2))}const x=new Ti,b=new Ti,v=new Ti,w=new Ti;function M(t){v.fromBufferAttribute(i,t),w.copy(v);const e=a[t];x.copy(e),x.sub(v.multiplyScalar(v.dot(e))).normalize(),b.crossVectors(w,e);const s=b.dot(o[t])<0?-1:1;n.setXYZW(t,x.x,x.y,x.z,s)}for(let e=0,s=f.length;e<s;++e){const s=f[e],i=s.start;for(let e=i,r=i+s.count;e<r;e+=3)M(t.getX(e+0)),M(t.getX(e+1)),M(t.getX(e+2))}this._transformed=!0}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let s=this.getAttribute("normal");if(void 0===s||s.count!==e.count)s=new Mn(new Float32Array(3*e.count),3),this.setAttribute("normal",s);else for(let t=0,e=s.count;t<e;t++)s.setXYZ(t,0,0,0);const i=new Ti,r=new Ti,n=new Ti,a=new Ti,o=new Ti,h=new Ti,l=new Ti,c=new Ti;if(t)for(let u=0,d=t.count;u<d;u+=3){const d=t.getX(u+0),p=t.getX(u+1),m=t.getX(u+2);i.fromBufferAttribute(e,d),r.fromBufferAttribute(e,p),n.fromBufferAttribute(e,m),l.subVectors(n,r),c.subVectors(i,r),l.cross(c),a.fromBufferAttribute(s,d),o.fromBufferAttribute(s,p),h.fromBufferAttribute(s,m),a.add(l),o.add(l),h.add(l),s.setXYZ(d,a.x,a.y,a.z),s.setXYZ(p,o.x,o.y,o.z),s.setXYZ(m,h.x,h.y,h.z)}else for(let t=0,a=e.count;t<a;t+=3)i.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),n.fromBufferAttribute(e,t+2),l.subVectors(n,r),c.subVectors(i,r),l.cross(c),s.setXYZ(t+0,l.x,l.y,l.z),s.setXYZ(t+1,l.x,l.y,l.z),s.setXYZ(t+2,l.x,l.y,l.z);this.normalizeNormals(),s.needsUpdate=!0}}normalizeNormals(){const t=this.attributes.normal;for(let e=0,s=t.count;e<s;e++)jn.fromBufferAttribute(t,e),jn.normalize(),t.setXYZ(e,jn.x,jn.y,jn.z)}toNonIndexed(){function t(t,e){const s=t.array,i=t.itemSize,r=t.normalized,n=new s.constructor(e.length*i);let a=0,o=0;for(let r=0,h=e.length;r<h;r++){a=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*i;for(let t=0;t<i;t++)n[o++]=s[a++]}return new Mn(n,i,r)}if(null===this.index)return ai("BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new Wn,s=this.index.array,i=this.attributes;for(const r in i){const n=t(i[r],s);e.setAttribute(r,n)}const r=this.morphAttributes;for(const i in r){const n=[],a=r[i];for(let e=0,i=a.length;e<i;e++){const i=t(a[e],s);n.push(i)}e.morphAttributes[i]=n}e.morphTargetsRelative=this.morphTargetsRelative;const n=this.groups;for(let t=0,s=n.length;t<s;t++){const s=n[t];e.addGroup(s.start,s.count,s.materialIndex)}return e}toJSON(){const t={metadata:{version:4.7,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=void 0!==this.parameters&&!0===this._transformed?"BufferGeometry":this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters&&!0!==this._transformed){const e=this.parameters;for(const s in e)void 0!==e[s]&&(t[s]=e[s]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const s=this.attributes;for(const e in s){const i=s[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const s=this.morphAttributes[e],n=[];for(let e=0,i=s.length;e<i;e++){const i=s[e];n.push(i.toJSON(t.data))}n.length>0&&(i[e]=n,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const n=this.groups;n.length>0&&(t.data.groups=JSON.parse(JSON.stringify(n)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere=a.toJSON()),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const s=t.index;null!==s&&this.setIndex(s.clone());const i=t.attributes;for(const t in i){const s=i[t];this.setAttribute(t,s.clone(e))}const r=t.morphAttributes;for(const t in r){const s=[],i=r[t];for(let t=0,r=i.length;t<r;t++)s.push(i[t].clone(e));this.morphAttributes[t]=s}this.morphTargetsRelative=t.morphTargetsRelative;const n=t.groups;for(let t=0,e=n.length;t<e;t++){const e=n[t];this.addGroup(e.start,e.count,e.materialIndex)}const a=t.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=t.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this._transformed=t._transformed,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Jn{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=Os,this.updateRanges=[],this.version=0,this.uuid=fi()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,s){t*=this.stride,s*=e.stride;for(let i=0,r=this.stride;i<r;i++)this.array[t+i]=e.array[s+i];return this}set(t,e=0){return this.array.set(t,e),this}clone(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=fi()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const e=new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),s=new this.constructor(e,this.stride);return s.setUsage(this.usage),s}onUpload(t){return this.onUploadCallback=t,this}toJSON(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=fi()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}const qn=new Ti;class Hn{constructor(t,e,s,i=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=t,this.itemSize=e,this.offset=s,this.normalized=i}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(t){this.data.needsUpdate=t}applyMatrix4(t){for(let e=0,s=this.data.count;e<s;e++)qn.fromBufferAttribute(this,e),qn.applyMatrix4(t),this.setXYZ(e,qn.x,qn.y,qn.z);return this}applyNormalMatrix(t){for(let e=0,s=this.count;e<s;e++)qn.fromBufferAttribute(this,e),qn.applyNormalMatrix(t),this.setXYZ(e,qn.x,qn.y,qn.z);return this}transformDirection(t){for(let e=0,s=this.count;e<s;e++)qn.fromBufferAttribute(this,e),qn.transformDirection(t),this.setXYZ(e,qn.x,qn.y,qn.z);return this}getComponent(t,e){let s=this.array[t*this.data.stride+this.offset+e];return this.normalized&&(s=wi(s,this.array)),s}setComponent(t,e,s){return this.normalized&&(s=Mi(s,this.array)),this.data.array[t*this.data.stride+this.offset+e]=s,this}setX(t,e){return this.normalized&&(e=Mi(e,this.array)),this.data.array[t*this.data.stride+this.offset]=e,this}setY(t,e){return this.normalized&&(e=Mi(e,this.array)),this.data.array[t*this.data.stride+this.offset+1]=e,this}setZ(t,e){return this.normalized&&(e=Mi(e,this.array)),this.data.array[t*this.data.stride+this.offset+2]=e,this}setW(t,e){return this.normalized&&(e=Mi(e,this.array)),this.data.array[t*this.data.stride+this.offset+3]=e,this}getX(t){let e=this.data.array[t*this.data.stride+this.offset];return this.normalized&&(e=wi(e,this.array)),e}getY(t){let e=this.data.array[t*this.data.stride+this.offset+1];return this.normalized&&(e=wi(e,this.array)),e}getZ(t){let e=this.data.array[t*this.data.stride+this.offset+2];return this.normalized&&(e=wi(e,this.array)),e}getW(t){let e=this.data.array[t*this.data.stride+this.offset+3];return this.normalized&&(e=wi(e,this.array)),e}setXY(t,e,s){return t=t*this.data.stride+this.offset,this.normalized&&(e=Mi(e,this.array),s=Mi(s,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=s,this}setXYZ(t,e,s,i){return t=t*this.data.stride+this.offset,this.normalized&&(e=Mi(e,this.array),s=Mi(s,this.array),i=Mi(i,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=s,this.data.array[t+2]=i,this}setXYZW(t,e,s,i,r){return t=t*this.data.stride+this.offset,this.normalized&&(e=Mi(e,this.array),s=Mi(s,this.array),i=Mi(i,this.array),r=Mi(r,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=s,this.data.array[t+2]=i,this.data.array[t+3]=r,this}clone(t){if(void 0===t){ri("InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const s=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[s+e])}return new Mn(new this.array.constructor(t),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new Hn(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(t){if(void 0===t){ri("InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const s=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[s+e])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}let Xn,Yn=0;class Zn extends di{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Yn++}),this.uuid=fi(),this.name="",this.type="Material",this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=100,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new Pr(0,0,0),this.blendAlpha=0,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=ls,this.stencilZFail=ls,this.stencilZPass=ls,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.allowOverride=!0,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const s=t[e];if(void 0===s){ai(`Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(s):i&&i.isVector2&&s&&s.isVector2||i&&i.isEuler&&s&&s.isEuler||i&&i.isVector3&&s&&s.isVector3?i.copy(s):this[e]=s:ai(`Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const s={metadata:{version:4.7,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(s.uuid=this.uuid,s.type=this.type,""!==this.name&&(s.name=this.name),this.color&&this.color.isColor&&(s.color=this.color.getHex()),void 0!==this.roughness&&(s.roughness=this.roughness),void 0!==this.metalness&&(s.metalness=this.metalness),void 0!==this.sheen&&(s.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(s.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(s.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(s.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(s.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(s.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(s.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(s.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(s.shininess=this.shininess),void 0!==this.clearcoat&&(s.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(s.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(s.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(s.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(s.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,s.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.sheenColorMap&&this.sheenColorMap.isTexture&&(s.sheenColorMap=this.sheenColorMap.toJSON(t).uuid),this.sheenRoughnessMap&&this.sheenRoughnessMap.isTexture&&(s.sheenRoughnessMap=this.sheenRoughnessMap.toJSON(t).uuid),void 0!==this.dispersion&&(s.dispersion=this.dispersion),void 0!==this.iridescence&&(s.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(s.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(s.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(s.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(s.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(s.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(s.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(s.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(s.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(s.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(s.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(s.lightMap=this.lightMap.toJSON(t).uuid,s.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(s.aoMap=this.aoMap.toJSON(t).uuid,s.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(s.bumpMap=this.bumpMap.toJSON(t).uuid,s.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(s.normalMap=this.normalMap.toJSON(t).uuid,s.normalMapType=this.normalMapType,s.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(s.displacementMap=this.displacementMap.toJSON(t).uuid,s.displacementScale=this.displacementScale,s.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(s.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(s.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(s.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(s.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(s.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(s.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(s.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(s.combine=this.combine)),void 0!==this.envMapRotation&&(s.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(s.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(s.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(s.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(s.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(s.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(s.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(s.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(s.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(s.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(s.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(s.size=this.size),null!==this.shadowSide&&(s.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(s.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(s.blending=this.blending),0!==this.side&&(s.side=this.side),!0===this.vertexColors&&(s.vertexColors=!0),this.opacity<1&&(s.opacity=this.opacity),!0===this.transparent&&(s.transparent=!0),204!==this.blendSrc&&(s.blendSrc=this.blendSrc),205!==this.blendDst&&(s.blendDst=this.blendDst),100!==this.blendEquation&&(s.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(s.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(s.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(s.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(s.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(s.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(s.depthFunc=this.depthFunc),!1===this.depthTest&&(s.depthTest=this.depthTest),!1===this.depthWrite&&(s.depthWrite=this.depthWrite),!1===this.colorWrite&&(s.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(s.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(s.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(s.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(s.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==ls&&(s.stencilFail=this.stencilFail),this.stencilZFail!==ls&&(s.stencilZFail=this.stencilZFail),this.stencilZPass!==ls&&(s.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(s.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(s.rotation=this.rotation),!0===this.polygonOffset&&(s.polygonOffset=!0),0!==this.polygonOffsetFactor&&(s.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(s.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(s.linewidth=this.linewidth),void 0!==this.dashSize&&(s.dashSize=this.dashSize),void 0!==this.gapSize&&(s.gapSize=this.gapSize),void 0!==this.scale&&(s.scale=this.scale),!0===this.dithering&&(s.dithering=!0),this.alphaTest>0&&(s.alphaTest=this.alphaTest),!0===this.alphaHash&&(s.alphaHash=!0),!0===this.alphaToCoverage&&(s.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(s.premultipliedAlpha=!0),!0===this.forceSinglePass&&(s.forceSinglePass=!0),!1===this.allowOverride&&(s.allowOverride=!1),!0===this.wireframe&&(s.wireframe=!0),this.wireframeLinewidth>1&&(s.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(s.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(s.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(s.flatShading=!0),!1===this.visible&&(s.visible=!1),!1===this.toneMapped&&(s.toneMapped=!1),!1===this.fog&&(s.fog=!1),Object.keys(this.userData).length>0&&(s.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(s.textures=e),r.length>0&&(s.images=r)}return s}fromJSON(t,e){if(void 0!==t.uuid&&(this.uuid=t.uuid),void 0!==t.name&&(this.name=t.name),void 0!==t.color&&void 0!==this.color&&this.color.setHex(t.color),void 0!==t.roughness&&(this.roughness=t.roughness),void 0!==t.metalness&&(this.metalness=t.metalness),void 0!==t.sheen&&(this.sheen=t.sheen),void 0!==t.sheenColor&&(this.sheenColor=(new Pr).setHex(t.sheenColor)),void 0!==t.sheenRoughness&&(this.sheenRoughness=t.sheenRoughness),void 0!==t.emissive&&void 0!==this.emissive&&this.emissive.setHex(t.emissive),void 0!==t.specular&&void 0!==this.specular&&this.specular.setHex(t.specular),void 0!==t.specularIntensity&&(this.specularIntensity=t.specularIntensity),void 0!==t.specularColor&&void 0!==this.specularColor&&this.specularColor.setHex(t.specularColor),void 0!==t.shininess&&(this.shininess=t.shininess),void 0!==t.clearcoat&&(this.clearcoat=t.clearcoat),void 0!==t.clearcoatRoughness&&(this.clearcoatRoughness=t.clearcoatRoughness),void 0!==t.dispersion&&(this.dispersion=t.dispersion),void 0!==t.iridescence&&(this.iridescence=t.iridescence),void 0!==t.iridescenceIOR&&(this.iridescenceIOR=t.iridescenceIOR),void 0!==t.iridescenceThicknessRange&&(this.iridescenceThicknessRange=t.iridescenceThicknessRange),void 0!==t.transmission&&(this.transmission=t.transmission),void 0!==t.thickness&&(this.thickness=t.thickness),void 0!==t.attenuationDistance&&(this.attenuationDistance=t.attenuationDistance),void 0!==t.attenuationColor&&void 0!==this.attenuationColor&&this.attenuationColor.setHex(t.attenuationColor),void 0!==t.anisotropy&&(this.anisotropy=t.anisotropy),void 0!==t.anisotropyRotation&&(this.anisotropyRotation=t.anisotropyRotation),void 0!==t.fog&&(this.fog=t.fog),void 0!==t.flatShading&&(this.flatShading=t.flatShading),void 0!==t.blending&&(this.blending=t.blending),void 0!==t.combine&&(this.combine=t.combine),void 0!==t.side&&(this.side=t.side),void 0!==t.shadowSide&&(this.shadowSide=t.shadowSide),void 0!==t.opacity&&(this.opacity=t.opacity),void 0!==t.transparent&&(this.transparent=t.transparent),void 0!==t.alphaTest&&(this.alphaTest=t.alphaTest),void 0!==t.alphaHash&&(this.alphaHash=t.alphaHash),void 0!==t.depthFunc&&(this.depthFunc=t.depthFunc),void 0!==t.depthTest&&(this.depthTest=t.depthTest),void 0!==t.depthWrite&&(this.depthWrite=t.depthWrite),void 0!==t.colorWrite&&(this.colorWrite=t.colorWrite),void 0!==t.blendSrc&&(this.blendSrc=t.blendSrc),void 0!==t.blendDst&&(this.blendDst=t.blendDst),void 0!==t.blendEquation&&(this.blendEquation=t.blendEquation),void 0!==t.blendSrcAlpha&&(this.blendSrcAlpha=t.blendSrcAlpha),void 0!==t.blendDstAlpha&&(this.blendDstAlpha=t.blendDstAlpha),void 0!==t.blendEquationAlpha&&(this.blendEquationAlpha=t.blendEquationAlpha),void 0!==t.blendColor&&void 0!==this.blendColor&&this.blendColor.setHex(t.blendColor),void 0!==t.blendAlpha&&(this.blendAlpha=t.blendAlpha),void 0!==t.stencilWriteMask&&(this.stencilWriteMask=t.stencilWriteMask),void 0!==t.stencilFunc&&(this.stencilFunc=t.stencilFunc),void 0!==t.stencilRef&&(this.stencilRef=t.stencilRef),void 0!==t.stencilFuncMask&&(this.stencilFuncMask=t.stencilFuncMask),void 0!==t.stencilFail&&(this.stencilFail=t.stencilFail),void 0!==t.stencilZFail&&(this.stencilZFail=t.stencilZFail),void 0!==t.stencilZPass&&(this.stencilZPass=t.stencilZPass),void 0!==t.stencilWrite&&(this.stencilWrite=t.stencilWrite),void 0!==t.wireframe&&(this.wireframe=t.wireframe),void 0!==t.wireframeLinewidth&&(this.wireframeLinewidth=t.wireframeLinewidth),void 0!==t.wireframeLinecap&&(this.wireframeLinecap=t.wireframeLinecap),void 0!==t.wireframeLinejoin&&(this.wireframeLinejoin=t.wireframeLinejoin),void 0!==t.rotation&&(this.rotation=t.rotation),void 0!==t.linewidth&&(this.linewidth=t.linewidth),void 0!==t.dashSize&&(this.dashSize=t.dashSize),void 0!==t.gapSize&&(this.gapSize=t.gapSize),void 0!==t.scale&&(this.scale=t.scale),void 0!==t.polygonOffset&&(this.polygonOffset=t.polygonOffset),void 0!==t.polygonOffsetFactor&&(this.polygonOffsetFactor=t.polygonOffsetFactor),void 0!==t.polygonOffsetUnits&&(this.polygonOffsetUnits=t.polygonOffsetUnits),void 0!==t.dithering&&(this.dithering=t.dithering),void 0!==t.alphaToCoverage&&(this.alphaToCoverage=t.alphaToCoverage),void 0!==t.premultipliedAlpha&&(this.premultipliedAlpha=t.premultipliedAlpha),void 0!==t.forceSinglePass&&(this.forceSinglePass=t.forceSinglePass),void 0!==t.allowOverride&&(this.allowOverride=t.allowOverride),void 0!==t.visible&&(this.visible=t.visible),void 0!==t.toneMapped&&(this.toneMapped=t.toneMapped),void 0!==t.userData&&(this.userData=t.userData),void 0!==t.vertexColors&&("number"==typeof t.vertexColors?this.vertexColors=t.vertexColors>0:this.vertexColors=t.vertexColors),void 0!==t.size&&(this.size=t.size),void 0!==t.sizeAttenuation&&(this.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(this.map=e[t.map]||null),void 0!==t.matcap&&(this.matcap=e[t.matcap]||null),void 0!==t.alphaMap&&(this.alphaMap=e[t.alphaMap]||null),void 0!==t.bumpMap&&(this.bumpMap=e[t.bumpMap]||null),void 0!==t.bumpScale&&(this.bumpScale=t.bumpScale),void 0!==t.normalMap&&(this.normalMap=e[t.normalMap]||null),void 0!==t.normalMapType&&(this.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),this.normalScale=(new _i).fromArray(e)}return void 0!==t.displacementMap&&(this.displacementMap=e[t.displacementMap]||null),void 0!==t.displacementScale&&(this.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(this.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(this.roughnessMap=e[t.roughnessMap]||null),void 0!==t.metalnessMap&&(this.metalnessMap=e[t.metalnessMap]||null),void 0!==t.emissiveMap&&(this.emissiveMap=e[t.emissiveMap]||null),void 0!==t.emissiveIntensity&&(this.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(this.specularMap=e[t.specularMap]||null),void 0!==t.specularIntensityMap&&(this.specularIntensityMap=e[t.specularIntensityMap]||null),void 0!==t.specularColorMap&&(this.specularColorMap=e[t.specularColorMap]||null),void 0!==t.envMap&&(this.envMap=e[t.envMap]||null),void 0!==t.envMapRotation&&this.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(this.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(this.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(this.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(this.lightMap=e[t.lightMap]||null),void 0!==t.lightMapIntensity&&(this.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(this.aoMap=e[t.aoMap]||null),void 0!==t.aoMapIntensity&&(this.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(this.gradientMap=e[t.gradientMap]||null),void 0!==t.clearcoatMap&&(this.clearcoatMap=e[t.clearcoatMap]||null),void 0!==t.clearcoatRoughnessMap&&(this.clearcoatRoughnessMap=e[t.clearcoatRoughnessMap]||null),void 0!==t.clearcoatNormalMap&&(this.clearcoatNormalMap=e[t.clearcoatNormalMap]||null),void 0!==t.clearcoatNormalScale&&(this.clearcoatNormalScale=(new _i).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(this.iridescenceMap=e[t.iridescenceMap]||null),void 0!==t.iridescenceThicknessMap&&(this.iridescenceThicknessMap=e[t.iridescenceThicknessMap]||null),void 0!==t.transmissionMap&&(this.transmissionMap=e[t.transmissionMap]||null),void 0!==t.thicknessMap&&(this.thicknessMap=e[t.thicknessMap]||null),void 0!==t.anisotropyMap&&(this.anisotropyMap=e[t.anisotropyMap]||null),void 0!==t.sheenColorMap&&(this.sheenColorMap=e[t.sheenColorMap]||null),void 0!==t.sheenRoughnessMap&&(this.sheenRoughnessMap=e[t.sheenRoughnessMap]||null),this}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let s=null;if(null!==e){const t=e.length;s=new Array(t);for(let i=0;i!==t;++i)s[i]=e[i].clone()}return this.clippingPlanes=s,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.allowOverride=t.allowOverride,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}class Gn extends Zn{constructor(t){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new Pr(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const $n=new Ti,Qn=new Ti,Kn=new Ti,ta=new _i,ea=new _i,sa=new Qi,ia=new Ti,ra=new Ti,na=new Ti,aa=new _i,oa=new _i,ha=new _i;class la extends Ar{constructor(t=new Gn){if(super(),this.isSprite=!0,this.type="Sprite",void 0===Xn){Xn=new Wn;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),e=new Jn(t,5);Xn.setIndex([0,1,2,0,2,3]),Xn.setAttribute("position",new Hn(e,3,0,!1)),Xn.setAttribute("uv",new Hn(e,2,3,!1))}this.geometry=Xn,this.material=t,this.center=new _i(.5,.5),this.count=1}raycast(t,e){null===t.camera&&oi('Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),Qn.setFromMatrixScale(this.matrixWorld),sa.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),Kn.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&Qn.multiplyScalar(-Kn.z);const s=this.material.rotation;let i,r;0!==s&&(r=Math.cos(s),i=Math.sin(s));const n=this.center;ca(ia.set(-.5,-.5,0),Kn,n,Qn,i,r),ca(ra.set(.5,-.5,0),Kn,n,Qn,i,r),ca(na.set(.5,.5,0),Kn,n,Qn,i,r),aa.set(0,0),oa.set(1,0),ha.set(1,1);let a=t.ray.intersectTriangle(ia,ra,na,!1,$n);if(null===a&&(ca(ra.set(-.5,.5,0),Kn,n,Qn,i,r),oa.set(0,1),a=t.ray.intersectTriangle(ia,na,ra,!1,$n),null===a))return;const o=t.ray.origin.distanceTo($n);o<t.near||o>t.far||e.push({distance:o,point:$n.clone(),uv:$r.getInterpolation($n,ia,ra,na,aa,oa,ha,new _i),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function ca(t,e,s,i,r,n){ta.subVectors(t,s).addScalar(.5).multiply(i),void 0!==r?(ea.x=n*ta.x-r*ta.y,ea.y=r*ta.x+n*ta.y):ea.copy(ta),t.copy(e),t.x+=ea.x,t.y+=ea.y,t.applyMatrix4(sa)}const ua=new Ti,da=new Ti;class pa extends Ar{constructor(){super(),this.isLOD=!0,this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,s=e.length;t<s;t++){const s=e[t];this.addLevel(s.object.clone(),s.distance,s.hysteresis)}return this.autoUpdate=t.autoUpdate,this}addLevel(t,e=0,s=0){e=Math.abs(e);const i=this.levels;let r;for(r=0;r<i.length&&!(e<i[r].distance);r++);return i.splice(r,0,{distance:e,hysteresis:s,object:t}),this.add(t),this}removeLevel(t){const e=this.levels;for(let s=0;s<e.length;s++)if(e[s].distance===t){const t=e.splice(s,1);return this.remove(t[0].object),!0}return!1}getCurrentLevel(){return this._currentLevel}getObjectForDistance(t){const e=this.levels;if(e.length>0){let s,i;for(s=1,i=e.length;s<i;s++){let i=e[s].distance;if(e[s].object.visible&&(i-=i*e[s].hysteresis),t<i)break}return e[s-1].object}return null}raycast(t,e){if(this.levels.length>0){ua.setFromMatrixPosition(this.matrixWorld);const s=t.ray.origin.distanceTo(ua);this.getObjectForDistance(s).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){ua.setFromMatrixPosition(t.matrixWorld),da.setFromMatrixPosition(this.matrixWorld);const s=ua.distanceTo(da)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i<r;i++){let t=e[i].distance;if(e[i].object.visible&&(t-=t*e[i].hysteresis),!(s>=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i<r;i++)e[i].object.visible=!1}}toJSON(t){const e=super.toJSON(t);!1===this.autoUpdate&&(e.object.autoUpdate=!1),e.object.levels=[];const s=this.levels;for(let t=0,i=s.length;t<i;t++){const i=s[t];e.object.levels.push({object:i.object.uuid,distance:i.distance,hysteresis:i.hysteresis})}return e}}const ma=new Ti,ya=new Ti,ga=new Ti,fa=new Ti,xa=new Ti,ba=new Ti,va=new Ti;class wa{constructor(t=new Ti,e=new Ti(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,ma)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const s=e.dot(this.direction);return s<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,s)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=ma.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(ma.copy(this.origin).addScaledVector(this.direction,e),ma.distanceToSquared(t))}distanceSqToSegment(t,e,s,i){ya.copy(t).add(e).multiplyScalar(.5),ga.copy(e).sub(t).normalize(),fa.copy(this.origin).sub(ya);const r=.5*t.distanceTo(e),n=-this.direction.dot(ga),a=fa.dot(this.direction),o=-fa.dot(ga),h=fa.lengthSq(),l=Math.abs(1-n*n);let c,u,d,p;if(l>0)if(c=n*o-a,u=n*a-o,p=r*l,c>=0)if(u>=-p)if(u<=p){const t=1/l;c*=t,u*=t,d=c*(c+n*u+2*a)+u*(n*c+u+2*o)+h}else u=r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u=-r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u<=-p?(c=Math.max(0,-(-n*r+a)),u=c>0?-r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h):u<=p?(c=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+h):(c=Math.max(0,-(n*r+a)),u=c>0?r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h);else u=n>0?-r:r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;return s&&s.copy(this.origin).addScaledVector(this.direction,c),i&&i.copy(ya).addScaledVector(ga,u),d}intersectSphere(t,e){ma.subVectors(t.center,this.origin);const s=ma.dot(this.direction),i=ma.dot(ma)-s*s,r=t.radius*t.radius;if(i>r)return null;const n=Math.sqrt(r-i),a=s-n,o=s+n;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return!(t.radius<0)&&this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const s=-(this.origin.dot(t.normal)+t.constant)/e;return s>=0?s:null}intersectPlane(t,e){const s=this.distanceToPlane(t);return null===s?null:this.at(s,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let s,i,r,n,a,o;const h=1/this.direction.x,l=1/this.direction.y,c=1/this.direction.z,u=this.origin;return h>=0?(s=(t.min.x-u.x)*h,i=(t.max.x-u.x)*h):(s=(t.max.x-u.x)*h,i=(t.min.x-u.x)*h),l>=0?(r=(t.min.y-u.y)*l,n=(t.max.y-u.y)*l):(r=(t.max.y-u.y)*l,n=(t.min.y-u.y)*l),s>n||r>i?null:((r>s||isNaN(s))&&(s=r),(n<i||isNaN(i))&&(i=n),c>=0?(a=(t.min.z-u.z)*c,o=(t.max.z-u.z)*c):(a=(t.max.z-u.z)*c,o=(t.min.z-u.z)*c),s>o||a>i?null:((a>s||s!=s)&&(s=a),(o<i||i!=i)&&(i=o),i<0?null:this.at(s>=0?s:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,ma)}intersectTriangle(t,e,s,i,r){xa.subVectors(e,t),ba.subVectors(s,t),va.crossVectors(xa,ba);let n,a=this.direction.dot(va);if(a>0){if(i)return null;n=1}else{if(!(a<0))return null;n=-1,a=-a}fa.subVectors(this.origin,t);const o=n*this.direction.dot(ba.crossVectors(fa,ba));if(o<0)return null;const h=n*this.direction.dot(xa.cross(fa));if(h<0)return null;if(o+h>a)return null;const l=-n*fa.dot(va);return l<0?null:this.at(l/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class Ma extends Zn{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Pr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const Sa=new Qi,_a=new wa,Aa=new En,Ta=new Ti,za=new Ti,Ca=new Ti,Ia=new Ti,Ba=new Ti,ka=new Ti,Oa=new Ti,Pa=new Ti;class Ra extends Ar{constructor(t=new Wn,e=new Ma){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.count=1,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;t<e;t++){const e=s[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}getVertexPosition(t,e){const s=this.geometry,i=s.attributes.position,r=s.morphAttributes.position,n=s.morphTargetsRelative;e.fromBufferAttribute(i,t);const a=this.morphTargetInfluences;if(r&&a){ka.set(0,0,0);for(let s=0,i=r.length;s<i;s++){const i=a[s],o=r[s];0!==i&&(Ba.fromBufferAttribute(o,t),n?ka.addScaledVector(Ba,i):ka.addScaledVector(Ba.sub(e),i))}e.add(ka)}return e}raycast(t,e){const s=this.geometry,i=this.material,r=this.matrixWorld;if(void 0!==i){if(null===s.boundingSphere&&s.computeBoundingSphere(),Aa.copy(s.boundingSphere),Aa.applyMatrix4(r),_a.copy(t.ray).recast(t.near),!1===Aa.containsPoint(_a.origin)){if(null===_a.intersectSphere(Aa,Ta))return;if(_a.origin.distanceToSquared(Ta)>(t.far-t.near)**2)return}Sa.copy(r).invert(),_a.copy(t.ray).applyMatrix4(Sa),null!==s.boundingBox&&!1===_a.intersectsBox(s.boundingBox)||this._computeIntersections(t,e,_a)}}_computeIntersections(t,e,s){let i;const r=this.geometry,n=this.material,a=r.index,o=r.attributes.position,h=r.attributes.uv,l=r.attributes.uv1,c=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(n))for(let r=0,o=u.length;r<o;r++){const o=u[r],p=n[o.materialIndex];for(let r=Math.max(o.start,d.start),n=Math.min(a.count,Math.min(o.start+o.count,d.start+d.count));r<n;r+=3){i=Ea(this,p,t,s,h,l,c,a.getX(r),a.getX(r+1),a.getX(r+2)),i&&(i.faceIndex=Math.floor(r/3),i.face.materialIndex=o.materialIndex,e.push(i))}}else{for(let r=Math.max(0,d.start),o=Math.min(a.count,d.start+d.count);r<o;r+=3){i=Ea(this,n,t,s,h,l,c,a.getX(r),a.getX(r+1),a.getX(r+2)),i&&(i.faceIndex=Math.floor(r/3),e.push(i))}}else if(void 0!==o)if(Array.isArray(n))for(let r=0,a=u.length;r<a;r++){const a=u[r],p=n[a.materialIndex];for(let r=Math.max(a.start,d.start),n=Math.min(o.count,Math.min(a.start+a.count,d.start+d.count));r<n;r+=3){i=Ea(this,p,t,s,h,l,c,r,r+1,r+2),i&&(i.faceIndex=Math.floor(r/3),i.face.materialIndex=a.materialIndex,e.push(i))}}else{for(let r=Math.max(0,d.start),a=Math.min(o.count,d.start+d.count);r<a;r+=3){i=Ea(this,n,t,s,h,l,c,r,r+1,r+2),i&&(i.faceIndex=Math.floor(r/3),e.push(i))}}}}function Ea(t,e,s,i,r,n,a,o,h,l){t.getVertexPosition(o,za),t.getVertexPosition(h,Ca),t.getVertexPosition(l,Ia);const c=function(t,e,s,i,r,n,a,o){let h;if(h=1===e.side?i.intersectTriangle(a,n,r,!0,o):i.intersectTriangle(r,n,a,0===e.side,o),null===h)return null;Pa.copy(o),Pa.applyMatrix4(t.matrixWorld);const l=s.ray.origin.distanceTo(Pa);return l<s.near||l>s.far?null:{distance:l,point:Pa.clone(),object:t}}(t,e,s,i,za,Ca,Ia,Oa);if(c){const t=new Ti;$r.getBarycoord(Oa,za,Ca,Ia,t),r&&(c.uv=$r.getInterpolatedAttribute(r,o,h,l,t,new _i)),n&&(c.uv1=$r.getInterpolatedAttribute(n,o,h,l,t,new _i)),a&&(c.normal=$r.getInterpolatedAttribute(a,o,h,l,t,new Ti),c.normal.dot(i.direction)>0&&c.normal.multiplyScalar(-1));const e={a:o,b:h,c:l,normal:new Ti,materialIndex:0};$r.getNormal(za,Ca,Ia,e.normal),c.face=e,c.barycoord=t}return c}const Na=new qi,Va=new qi,La=new qi,Fa=new qi,Da=new Qi,Ua=new Ti,ja=new En,Wa=new Qi,Ja=new wa;class qa extends Ra{constructor(t,e){super(t,e),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode=at,this.bindMatrix=new Qi,this.bindMatrixInverse=new Qi,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const t=this.geometry;null===this.boundingBox&&(this.boundingBox=new Qr),this.boundingBox.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,Ua),this.boundingBox.expandByPoint(Ua)}computeBoundingSphere(){const t=this.geometry;null===this.boundingSphere&&(this.boundingSphere=new En),this.boundingSphere.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,Ua),this.boundingSphere.expandByPoint(Ua)}copy(t,e){return super.copy(t,e),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}raycast(t,e){const s=this.material,i=this.matrixWorld;void 0!==s&&(null===this.boundingSphere&&this.computeBoundingSphere(),ja.copy(this.boundingSphere),ja.applyMatrix4(i),!1!==t.ray.intersectsSphere(ja)&&(Wa.copy(i).invert(),Ja.copy(t.ray).applyMatrix4(Wa),null!==this.boundingBox&&!1===Ja.intersectsBox(this.boundingBox)||this._computeIntersections(t,e,Ja)))}getVertexPosition(t,e){return super.getVertexPosition(t,e),this.applyBoneTransform(t,e),e}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new qi,e=this.geometry.attributes.skinWeight;for(let s=0,i=e.count;s<i;s++){t.fromBufferAttribute(e,s);const i=1/t.manhattanLength();i!==1/0?t.multiplyScalar(i):t.set(1,0,0,0),e.setXYZW(s,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),this.bindMode===at?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode===ot?this.bindMatrixInverse.copy(this.bindMatrix).invert():ai("SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(t,e){const s=this.skeleton,i=this.geometry;Va.fromBufferAttribute(i.attributes.skinIndex,t),La.fromBufferAttribute(i.attributes.skinWeight,t),e.isVector4?(Na.copy(e),e.set(0,0,0,0)):(Na.set(...e,1),e.set(0,0,0)),Na.applyMatrix4(this.bindMatrix);for(let t=0;t<4;t++){const i=La.getComponent(t);if(0!==i){const r=Va.getComponent(t);Da.multiplyMatrices(s.bones[r].matrixWorld,s.boneInverses[r]),e.addScaledVector(Fa.copy(Na).applyMatrix4(Da),i)}}return e.isVector4&&(e.w=Na.w),e.applyMatrix4(this.bindMatrixInverse)}}class Ha extends Ar{constructor(){super(),this.isBone=!0,this.type="Bone"}}class Xa extends Ji{constructor(t=null,e=1,s=1,i,r,n,a,o,h=1003,l=1003,c,u){super(null,n,a,o,h,l,i,r,c,u),this.isDataTexture=!0,this.image={data:t,width:e,height:s},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const Ya=new Qi,Za=new Qi;class Ga{constructor(t=[],e=[]){this.uuid=fi(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){ai("Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new Qi)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new Qi;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWorld.copy(this.boneInverses[t]).invert()}for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const t=this.bones,e=this.boneInverses,s=this.boneMatrices,i=this.boneTexture;for(let i=0,r=t.length;i<r;i++){const r=t[i]?t[i].matrixWorld:Za;Ya.multiplyMatrices(r,e[i]),Ya.toArray(s,16*i)}null!==i&&(i.needsUpdate=!0)}clone(){return new Ga(this.bones,this.boneInverses)}computeBoneTexture(){let t=Math.sqrt(4*this.bones.length);t=4*Math.ceil(t/4),t=Math.max(t,4);const e=new Float32Array(t*t*4);e.set(this.boneMatrices);const s=new Xa(e,t,t,jt,Pt);return s.needsUpdate=!0,this.boneMatrices=e,this.boneTexture=s,this}getBoneByName(t){for(let e=0,s=this.bones.length;e<s;e++){const s=this.bones[e];if(s.name===t)return s}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let s=0,i=t.bones.length;s<i;s++){const i=t.bones[s];let r=e[i];void 0===r&&(ai("Skeleton: No bone found with UUID:",i),r=new Ha),this.bones.push(r),this.boneInverses.push((new Qi).fromArray(t.boneInverses[s]))}return this.init(),this}toJSON(){const t={metadata:{version:4.7,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,s=this.boneInverses;for(let i=0,r=e.length;i<r;i++){const r=e[i];t.bones.push(r.uuid);const n=s[i];t.boneInverses.push(n.toArray())}return t}}class $a extends Mn{constructor(t,e,s,i=1){super(t,e,s),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=i}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}toJSON(){const t=super.toJSON();return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}}const Qa=new Qi,Ka=new Qi,to=[],eo=new Qr,so=new Qi,io=new Ra,ro=new En;class no extends Ra{constructor(t,e,s){super(t,e),this.isInstancedMesh=!0,this.instanceMatrix=new $a(new Float32Array(16*s),16),this.instanceColor=null,this.morphTexture=null,this.count=s,this.boundingBox=null,this.boundingSphere=null;for(let t=0;t<s;t++)this.setMatrixAt(t,so)}computeBoundingBox(){const t=this.geometry,e=this.count;null===this.boundingBox&&(this.boundingBox=new Qr),null===t.boundingBox&&t.computeBoundingBox(),this.boundingBox.makeEmpty();for(let s=0;s<e;s++)this.getMatrixAt(s,Qa),eo.copy(t.boundingBox).applyMatrix4(Qa),this.boundingBox.union(eo)}computeBoundingSphere(){const t=this.geometry,e=this.count;null===this.boundingSphere&&(this.boundingSphere=new En),null===t.boundingSphere&&t.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let s=0;s<e;s++)this.getMatrixAt(s,Qa),ro.copy(t.boundingSphere).applyMatrix4(Qa),this.boundingSphere.union(ro)}copy(t,e){return super.copy(t,e),this.instanceMatrix.copy(t.instanceMatrix),null!==t.morphTexture&&(this.morphTexture=t.morphTexture.clone()),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}getColorAt(t,e){return null===this.instanceColor?e.setRGB(1,1,1):e.fromArray(this.instanceColor.array,3*t)}getMatrixAt(t,e){return e.fromArray(this.instanceMatrix.array,16*t)}getMorphAt(t,e){const s=e.morphTargetInfluences,i=this.morphTexture.source.data.data,r=t*(s.length+1)+1;for(let t=0;t<s.length;t++)s[t]=i[r+t]}raycast(t,e){const s=this.matrixWorld,i=this.count;if(io.geometry=this.geometry,io.material=this.material,void 0!==io.material&&(null===this.boundingSphere&&this.computeBoundingSphere(),ro.copy(this.boundingSphere),ro.applyMatrix4(s),!1!==t.ray.intersectsSphere(ro)))for(let r=0;r<i;r++){this.getMatrixAt(r,Qa),Ka.multiplyMatrices(s,Qa),io.matrixWorld=Ka,io.raycast(t,to);for(let t=0,s=to.length;t<s;t++){const s=to[t];s.instanceId=r,s.object=this,e.push(s)}to.length=0}}setColorAt(t,e){return null===this.instanceColor&&(this.instanceColor=new $a(new Float32Array(3*this.instanceMatrix.count).fill(1),3)),e.toArray(this.instanceColor.array,3*t),this}setMatrixAt(t,e){return e.toArray(this.instanceMatrix.array,16*t),this}setMorphAt(t,e){const s=e.morphTargetInfluences,i=s.length+1;null===this.morphTexture&&(this.morphTexture=new Xa(new Float32Array(i*this.count),i,this.count,qt,Pt));const r=this.morphTexture.source.data.data;let n=0;for(let t=0;t<s.length;t++)n+=s[t];const a=this.geometry.morphTargetsRelative?1:1-n,o=i*t;return r[o]=a,r.set(s,o+1),this}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"}),null!==this.morphTexture&&(this.morphTexture.dispose(),this.morphTexture=null)}}const ao=new Ti,oo=new Ti,ho=new Ii;class lo{constructor(t=new Ti(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,s,i){return this.normal.set(t,e,s),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,s){const i=ao.subVectors(s,e).cross(oo.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e,s=!0){const i=t.delta(ao),r=this.normal.dot(i);if(0===r)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const n=-(t.start.dot(this.normal)+this.constant)/r;return!0===s&&(n<0||n>1)?null:e.copy(t.start).addScaledVector(i,n)}intersectsLine(t){const e=this.distanceToPoint(t.start),s=this.distanceToPoint(t.end);return e<0&&s>0||s<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const s=e||ho.getNormalMatrix(t),i=this.coplanarPoint(ao).applyMatrix4(t),r=this.normal.applyMatrix3(s).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const co=new En,uo=new _i(.5,.5),po=new Ti;class mo{constructor(t=new lo,e=new lo,s=new lo,i=new lo,r=new lo,n=new lo){this.planes=[t,e,s,i,r,n]}set(t,e,s,i,r,n){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(s),a[3].copy(i),a[4].copy(r),a[5].copy(n),this}copy(t){const e=this.planes;for(let s=0;s<6;s++)e[s].copy(t.planes[s]);return this}setFromProjectionMatrix(t,e=2e3,s=!1){const i=this.planes,r=t.elements,n=r[0],a=r[1],o=r[2],h=r[3],l=r[4],c=r[5],u=r[6],d=r[7],p=r[8],m=r[9],y=r[10],g=r[11],f=r[12],x=r[13],b=r[14],v=r[15];if(i[0].setComponents(h-n,d-l,g-p,v-f).normalize(),i[1].setComponents(h+n,d+l,g+p,v+f).normalize(),i[2].setComponents(h+a,d+c,g+m,v+x).normalize(),i[3].setComponents(h-a,d-c,g-m,v-x).normalize(),s)i[4].setComponents(o,u,y,b).normalize(),i[5].setComponents(h-o,d-u,g-y,v-b).normalize();else if(i[4].setComponents(h-o,d-u,g-y,v-b).normalize(),e===Ws)i[5].setComponents(h+o,d+u,g+y,v+b).normalize();else{if(e!==Js)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);i[5].setComponents(o,u,y,b).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),co.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),co.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(co)}intersectsSprite(t){co.center.set(0,0,0);const e=uo.distanceTo(t.center);return co.radius=.7071067811865476+e,co.applyMatrix4(t.matrixWorld),this.intersectsSphere(co)}intersectsSphere(t){const e=this.planes,s=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(s)<i)return!1}return!0}intersectsBox(t){const e=this.planes;for(let s=0;s<6;s++){const i=e[s];if(po.x=i.normal.x>0?t.max.x:t.min.x,po.y=i.normal.y>0?t.max.y:t.min.y,po.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(po)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let s=0;s<6;s++)if(e[s].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}const yo=new Qi;class go{constructor(){this.coordinateSystem=Ws,this._frustums=[],this._count=0}setFromArrayCamera(t){const e=t.cameras,s=this._frustums;for(let t=0;t<e.length;t++){const i=e[t];yo.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse),void 0===s[t]&&(s[t]=new mo),s[t].setFromProjectionMatrix(yo,i.coordinateSystem,i.reversedDepth)}return this._count=e.length,this}intersectsObject(t){const e=this._frustums;for(let s=0;s<this._count;s++)if(e[s].intersectsObject(t))return!0;return!1}intersectsSprite(t){const e=this._frustums;for(let s=0;s<this._count;s++)if(e[s].intersectsSprite(t))return!0;return!1}intersectsSphere(t){const e=this._frustums;for(let s=0;s<this._count;s++)if(e[s].intersectsSphere(t))return!0;return!1}intersectsBox(t){const e=this._frustums;for(let s=0;s<this._count;s++)if(e[s].intersectsBox(t))return!0;return!1}containsPoint(t){const e=this._frustums;for(let s=0;s<this._count;s++)if(e[s].containsPoint(t))return!0;return!1}copy(t){this.coordinateSystem=t.coordinateSystem;const e=this._frustums,s=t._frustums;for(let i=0;i<t._count;i++)void 0===e[i]&&(e[i]=new mo),e[i].copy(s[i]);return this._count=t._count,this}clone(){return(new go).copy(this)}}function fo(t,e){return t-e}function xo(t,e){return t.z-e.z}function bo(t,e){return e.z-t.z}class vo{constructor(){this.index=0,this.pool=[],this.list=[]}push(t,e,s,i){const r=this.pool,n=this.list;this.index>=r.length&&r.push({start:-1,count:-1,z:-1,index:-1});const a=r[this.index];n.push(a),this.index++,a.start=t,a.count=e,a.z=s,a.index=i}reset(){this.list.length=0,this.index=0}}const wo=new Qi,Mo=new Pr(1,1,1),So=new mo,_o=new go,Ao=new Qr,To=new En,zo=new Ti,Co=new Ti,Io=new Ti,Bo=new vo,ko=new Ra,Oo=[];function Po(t,e,s=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let n=0;n<r;n++)for(let r=0;r<i;r++)e.setComponent(n+s,r,t.getComponent(n,r))}else e.array.set(t.array,s*i);e.needsUpdate=!0}function Ro(t,e){if(t.constructor!==e.constructor){const s=Math.min(t.length,e.length);for(let i=0;i<s;i++)e[i]=t[i]}else{const s=Math.min(t.length,e.length);e.set(new t.constructor(t.buffer,0,s))}}class Eo extends Ra{constructor(t,e,s=2*e,i){super(new Wn,i),this.isBatchedMesh=!0,this.perObjectFrustumCulled=!0,this.sortObjects=!0,this.boundingBox=null,this.boundingSphere=null,this.customSort=null,this._instanceInfo=[],this._geometryInfo=[],this._availableInstanceIds=[],this._availableGeometryIds=[],this._nextIndexStart=0,this._nextVertexStart=0,this._geometryCount=0,this._visibilityChanged=!0,this._geometryInitialized=!1,this._maxInstanceCount=t,this._maxVertexCount=e,this._maxIndexCount=s,this._multiDrawCounts=new Int32Array(t),this._multiDrawStarts=new Int32Array(t),this._multiDrawCount=0,this._matricesTexture=null,this._indirectTexture=null,this._colorsTexture=null,this._initMatricesTexture(),this._initIndirectTexture()}get maxInstanceCount(){return this._maxInstanceCount}get instanceCount(){return this._instanceInfo.length-this._availableInstanceIds.length}get unusedVertexCount(){return this._maxVertexCount-this._nextVertexStart}get unusedIndexCount(){return this._maxIndexCount-this._nextIndexStart}_initMatricesTexture(){let t=Math.sqrt(4*this._maxInstanceCount);t=4*Math.ceil(t/4),t=Math.max(t,4);const e=new Float32Array(t*t*4),s=new Xa(e,t,t,jt,Pt);this._matricesTexture=s}_initIndirectTexture(){let t=Math.sqrt(this._maxInstanceCount);t=Math.ceil(t);const e=new Uint32Array(t*t),s=new Xa(e,t,t,Ht,Ot);this._indirectTexture=s}_initColorsTexture(){let t=Math.sqrt(this._maxInstanceCount);t=Math.ceil(t);const e=new Float32Array(t*t*4).fill(1),s=new Xa(e,t,t,jt,Pt);s.colorSpace=Ri.workingColorSpace,this._colorsTexture=s}_initializeGeometry(t){const e=this.geometry,s=this._maxVertexCount,i=this._maxIndexCount;if(!1===this._geometryInitialized){for(const i in t.attributes){const r=t.getAttribute(i),{array:n,itemSize:a,normalized:o}=r,h=new n.constructor(s*a),l=new Mn(h,a,o);e.setAttribute(i,l)}if(null!==t.getIndex()){const t=s>65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new Mn(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".');for(const s in e.attributes){if(!t.hasAttribute(s))throw new Error(`THREE.BatchedMesh: Added geometry missing "${s}". All geometries must have consistent attributes.`);const i=t.getAttribute(s),r=e.getAttribute(s);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(t){const e=this._instanceInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${t}. Instance is either out of range or has been deleted.`)}validateGeometryId(t){const e=this._geometryInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${t}. Geometry is either out of range or has been deleted.`)}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Qr);const t=this.boundingBox,e=this._instanceInfo;t.makeEmpty();for(let s=0,i=e.length;s<i;s++){if(!1===e[s].active)continue;const i=e[s].geometryIndex;this.getMatrixAt(s,wo),this.getBoundingBoxAt(i,Ao).applyMatrix4(wo),t.union(Ao)}}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new En);const t=this.boundingSphere,e=this._instanceInfo;t.makeEmpty();for(let s=0,i=e.length;s<i;s++){if(!1===e[s].active)continue;const i=e[s].geometryIndex;this.getMatrixAt(s,wo),this.getBoundingSphereAt(i,To).applyMatrix4(wo),t.union(To)}}addInstance(t){if(this._instanceInfo.length>=this.maxInstanceCount&&0===this._availableInstanceIds.length)throw new Error("THREE.BatchedMesh: Maximum item count reached.");const e={visible:!0,active:!0,geometryIndex:t};let s=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(fo),s=this._availableInstanceIds.shift(),this._instanceInfo[s]=e):(s=this._instanceInfo.length,this._instanceInfo.push(e));const i=this._matricesTexture;wo.identity().toArray(i.image.data,16*s),i.needsUpdate=!0;const r=this._colorsTexture;return r&&(Mo.toArray(r.image.data,4*s),r.needsUpdate=!0),this._visibilityChanged=!0,s}addGeometry(t,e=-1,s=-1){this._initializeGeometry(t),this._validateGeometry(t);const i={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},r=this._geometryInfo;i.vertexStart=this._nextVertexStart,i.reservedVertexCount=-1===e?t.getAttribute("position").count:e;const n=t.getIndex();if(null!==n&&(i.indexStart=this._nextIndexStart,i.reservedIndexCount=-1===s?n.count:s),-1!==i.indexStart&&i.indexStart+i.reservedIndexCount>this._maxIndexCount||i.vertexStart+i.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let a;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(fo),a=this._availableGeometryIds.shift(),r[a]=i):(a=this._geometryCount,this._geometryCount++,r.push(i)),this.setGeometryAt(a,t),this._nextIndexStart=i.indexStart+i.reservedIndexCount,this._nextVertexStart=i.vertexStart+i.reservedVertexCount,a}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const s=this.geometry,i=null!==s.getIndex(),r=s.getIndex(),n=e.getIndex(),a=this._geometryInfo[t];if(i&&n.count>a.reservedIndexCount||e.attributes.position.count>a.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,h=a.reservedVertexCount;a.vertexCount=e.getAttribute("position").count;for(const t in s.attributes){const i=e.getAttribute(t),r=s.getAttribute(t);Po(i,r,o);const n=i.itemSize;for(let t=i.count,e=h;t<e;t++){const e=o+t;for(let t=0;t<n;t++)r.setComponent(e,t,0)}r.needsUpdate=!0,r.addUpdateRange(o*n,h*n)}if(i){const t=a.indexStart,s=a.reservedIndexCount;a.indexCount=e.getIndex().count;for(let e=0;e<n.count;e++)r.setX(t+e,o+n.getX(e));for(let e=n.count,i=s;e<i;e++)r.setX(t+e,o);r.needsUpdate=!0,r.addUpdateRange(t,a.reservedIndexCount)}return a.start=i?a.indexStart:a.vertexStart,a.count=i?a.indexCount:a.vertexCount,a.boundingBox=null,null!==e.boundingBox&&(a.boundingBox=e.boundingBox.clone()),a.boundingSphere=null,null!==e.boundingSphere&&(a.boundingSphere=e.boundingSphere.clone()),this._visibilityChanged=!0,t}deleteGeometry(t){const e=this._geometryInfo;if(t>=e.length||!1===e[t].active)return this;const s=this._instanceInfo;for(let e=0,i=s.length;e<i;e++)s[e].active&&s[e].geometryIndex===t&&this.deleteInstance(e);return e[t].active=!1,this._availableGeometryIds.push(t),this._visibilityChanged=!0,this}deleteInstance(t){return this.validateInstanceId(t),this._instanceInfo[t].active=!1,this._availableInstanceIds.push(t),this._visibilityChanged=!0,this}optimize(){let t=0,e=0;const s=this._geometryInfo,i=s.map((t,e)=>e).sort((t,e)=>s[t].vertexStart-s[e].vertexStart),r=this.geometry;for(let n=0,a=s.length;n<a;n++){const a=i[n],o=s[a];if(!1!==o.active){if(null!==r.index){if(o.indexStart!==e){const{indexStart:s,vertexStart:i,reservedIndexCount:n}=o,a=r.index,h=a.array,l=t-i;for(let t=s;t<s+n;t++)h[t]=h[t]+l;a.array.copyWithin(e,s,s+n),a.addUpdateRange(e,n),a.needsUpdate=!0,o.indexStart=e}e+=o.reservedIndexCount}if(o.vertexStart!==t){const{vertexStart:e,reservedVertexCount:s}=o,i=r.attributes;for(const r in i){const n=i[r],{array:a,itemSize:o}=n;a.copyWithin(t*o,e*o,(e+s)*o),n.addUpdateRange(t*o,s*o),n.needsUpdate=!0}o.vertexStart=t}t+=o.reservedVertexCount,o.start=r.index?o.indexStart:o.vertexStart}}return this._nextIndexStart=e,this._nextVertexStart=t,this._visibilityChanged=!0,this}getBoundingBoxAt(t,e){if(t>=this._geometryCount)return null;const s=this.geometry,i=this._geometryInfo[t];if(null===i.boundingBox){const t=new Qr,e=s.index,r=s.attributes.position;for(let s=i.start,n=i.start+i.count;s<n;s++){let i=s;e&&(i=e.getX(i)),t.expandByPoint(zo.fromBufferAttribute(r,i))}i.boundingBox=t}return e.copy(i.boundingBox),e}getBoundingSphereAt(t,e){if(t>=this._geometryCount)return null;const s=this.geometry,i=this._geometryInfo[t];if(null===i.boundingSphere){const e=new En;this.getBoundingBoxAt(t,Ao),Ao.getCenter(e.center);const r=s.index,n=s.attributes.position;let a=0;for(let t=i.start,s=i.start+i.count;t<s;t++){let s=t;r&&(s=r.getX(s)),zo.fromBufferAttribute(n,s),a=Math.max(a,e.center.distanceToSquared(zo))}e.radius=Math.sqrt(a),i.boundingSphere=e}return e.copy(i.boundingSphere),e}setMatrixAt(t,e){this.validateInstanceId(t);const s=this._matricesTexture,i=this._matricesTexture.image.data;return e.toArray(i,16*t),s.needsUpdate=!0,this}getMatrixAt(t,e){return this.validateInstanceId(t),e.fromArray(this._matricesTexture.image.data,16*t)}setColorAt(t,e){return this.validateInstanceId(t),null===this._colorsTexture&&this._initColorsTexture(),e.toArray(this._colorsTexture.image.data,4*t),this._colorsTexture.needsUpdate=!0,this}getColorAt(t,e){return this.validateInstanceId(t),null===this._colorsTexture?e.isVector4?e.set(1,1,1,1):e.setRGB(1,1,1):e.fromArray(this._colorsTexture.image.data,4*t)}setVisibleAt(t,e){return this.validateInstanceId(t),this._instanceInfo[t].visible===e||(this._instanceInfo[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){return this.validateInstanceId(t),this._instanceInfo[t].visible}setGeometryIdAt(t,e){return this.validateInstanceId(t),this.validateGeometryId(e),this._instanceInfo[t].geometryIndex=e,this}getGeometryIdAt(t){return this.validateInstanceId(t),this._instanceInfo[t].geometryIndex}getGeometryRangeAt(t,e={}){this.validateGeometryId(t);const s=this._geometryInfo[t];return e.vertexStart=s.vertexStart,e.vertexCount=s.vertexCount,e.reservedVertexCount=s.reservedVertexCount,e.indexStart=s.indexStart,e.indexCount=s.indexCount,e.reservedIndexCount=s.reservedIndexCount,e.start=s.start,e.count=s.count,e}setInstanceCount(t){const e=this._availableInstanceIds,s=this._instanceInfo;for(e.sort(fo);e[e.length-1]===s.length-1;)s.pop(),e.pop();if(t<s.length)throw new Error(`THREE.BatchedMesh: Instance ids outside the range ${t} are being used. Cannot shrink instance count.`);const i=new Int32Array(t),r=new Int32Array(t);Ro(this._multiDrawCounts,i),Ro(this._multiDrawStarts,r),this._multiDrawCounts=i,this._multiDrawStarts=r,this._maxInstanceCount=t;const n=this._indirectTexture,a=this._matricesTexture,o=this._colorsTexture;n.dispose(),this._initIndirectTexture(),Ro(n.image.data,this._indirectTexture.image.data),a.dispose(),this._initMatricesTexture(),Ro(a.image.data,this._matricesTexture.image.data),o&&(o.dispose(),this._initColorsTexture(),Ro(o.image.data,this._colorsTexture.image.data))}setGeometrySize(t,e){const s=[...this._geometryInfo].filter(t=>t.active);if(Math.max(...s.map(t=>t.vertexStart+t.reservedVertexCount))>t)throw new Error(`THREE.BatchedMesh: Geometry vertex values are being used outside the range ${e}. Cannot shrink further.`);if(this.geometry.index){if(Math.max(...s.map(t=>t.indexStart+t.reservedIndexCount))>e)throw new Error(`THREE.BatchedMesh: Geometry index values are being used outside the range ${e}. Cannot shrink further.`)}const i=this.geometry;i.dispose(),this._maxVertexCount=t,this._maxIndexCount=e,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new Wn,this._initializeGeometry(i));const r=this.geometry;i.index&&Ro(i.index.array,r.index.array);for(const t in i.attributes)Ro(i.attributes[t].array,r.attributes[t].array)}raycast(t,e){const s=this._instanceInfo,i=this._geometryInfo,r=this.matrixWorld,n=this.geometry;ko.material=this.material,ko.geometry.index=n.index,ko.geometry.attributes=n.attributes,null===ko.geometry.boundingBox&&(ko.geometry.boundingBox=new Qr),null===ko.geometry.boundingSphere&&(ko.geometry.boundingSphere=new En);for(let n=0,a=s.length;n<a;n++){if(!s[n].visible||!s[n].active)continue;const a=s[n].geometryIndex,o=i[a];ko.geometry.setDrawRange(o.start,o.count),this.getMatrixAt(n,ko.matrixWorld).premultiply(r),this.getBoundingBoxAt(a,ko.geometry.boundingBox),this.getBoundingSphereAt(a,ko.geometry.boundingSphere),ko.raycast(t,Oo);for(let t=0,s=Oo.length;t<s;t++){const s=Oo[t];s.object=this,s.batchId=n,e.push(s)}Oo.length=0}ko.material=null,ko.geometry.index=null,ko.geometry.attributes={},ko.geometry.setDrawRange(0,1/0)}copy(t){return super.copy(t),this.geometry=t.geometry.clone(),this.perObjectFrustumCulled=t.perObjectFrustumCulled,this.sortObjects=t.sortObjects,this.boundingBox=null!==t.boundingBox?t.boundingBox.clone():null,this.boundingSphere=null!==t.boundingSphere?t.boundingSphere.clone():null,this._geometryInfo=t._geometryInfo.map(t=>({...t,boundingBox:null!==t.boundingBox?t.boundingBox.clone():null,boundingSphere:null!==t.boundingSphere?t.boundingSphere.clone():null})),this._instanceInfo=t._instanceInfo.map(t=>({...t})),this._availableInstanceIds=t._availableInstanceIds.slice(),this._availableGeometryIds=t._availableGeometryIds.slice(),this._nextIndexStart=t._nextIndexStart,this._nextVertexStart=t._nextVertexStart,this._geometryCount=t._geometryCount,this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._indirectTexture=t._indirectTexture.clone(),this._indirectTexture.image.data=this._indirectTexture.image.data.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null)}onBeforeRender(t,e,s,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const n=i.getIndex();let a=null===n?1:n.array.BYTES_PER_ELEMENT,o=1;r.wireframe&&(o=2,a=i.attributes.position.count>65535?4:2);const h=this._instanceInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,u=this._geometryInfo,d=this.perObjectFrustumCulled,p=this._indirectTexture,m=p.image.data,y=s.isArrayCamera?_o:So;d&&(s.isArrayCamera?y.setFromArrayCamera(s):(wo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse).multiply(this.matrixWorld),y.setFromProjectionMatrix(wo,s.coordinateSystem,s.reversedDepth)));let g=0;if(this.sortObjects){wo.copy(this.matrixWorld).invert(),zo.setFromMatrixPosition(s.matrixWorld).applyMatrix4(wo),Co.set(0,0,-1).transformDirection(s.matrixWorld).transformDirection(wo);for(let t=0,e=h.length;t<e;t++)if(h[t].visible&&h[t].active){const e=h[t].geometryIndex;this.getMatrixAt(t,wo),this.getBoundingSphereAt(e,To).applyMatrix4(wo);let s=!1;if(d&&(s=!y.intersectsSphere(To)),!s){const s=u[e],i=Io.subVectors(To.center,zo).dot(Co);Bo.push(s.start,s.count,i,t)}}const t=Bo.list,e=this.customSort;null===e?t.sort(r.transparent?bo:xo):e.call(this,t,s);for(let e=0,s=t.length;e<s;e++){const s=t[e];l[g]=s.start*a*o,c[g]=s.count*o,m[g]=s.index,g++}Bo.reset()}else for(let t=0,e=h.length;t<e;t++)if(h[t].visible&&h[t].active){const e=h[t].geometryIndex;let s=!1;if(d&&(this.getMatrixAt(t,wo),this.getBoundingSphereAt(e,To).applyMatrix4(wo),s=!y.intersectsSphere(To)),!s){const s=u[e];l[g]=s.start*a*o,c[g]=s.count*o,m[g]=t,g++}}p.needsUpdate=!0,this._multiDrawCount=g,this._visibilityChanged=!1}onBeforeShadow(t,e,s,i,r,n){this.onBeforeRender(t,null,i,r,n)}}class No extends Zn{constructor(t){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new Pr(16777215),this.map=null,this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.fog=t.fog,this}}const Vo=new Ti,Lo=new Ti,Fo=new Qi,Do=new wa,Uo=new En,jo=new Ti,Wo=new Ti;class Jo extends Ar{constructor(t=new Wn,e=new No){super(),this.isLine=!0,this.type="Line",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,s=[0];for(let t=1,i=e.count;t<i;t++)Vo.fromBufferAttribute(e,t-1),Lo.fromBufferAttribute(e,t),s[t]=s[t-1],s[t]+=Vo.distanceTo(Lo);t.setAttribute("lineDistance",new kn(s,1))}else ai("Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(t,e){const s=this.geometry,i=this.matrixWorld,r=t.params.Line.threshold,n=s.drawRange;if(null===s.boundingSphere&&s.computeBoundingSphere(),Uo.copy(s.boundingSphere),Uo.applyMatrix4(i),Uo.radius+=r,!1===t.ray.intersectsSphere(Uo))return;Fo.copy(i).invert(),Do.copy(t.ray).applyMatrix4(Fo);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,h=this.isLineSegments?2:1,l=s.index,c=s.attributes.position;if(null!==l){const s=Math.max(0,n.start),i=Math.min(l.count,n.start+n.count);for(let r=s,n=i-1;r<n;r+=h){const s=l.getX(r),i=l.getX(r+1),n=qo(this,t,Do,o,s,i,r);n&&e.push(n)}if(this.isLineLoop){const r=l.getX(i-1),n=l.getX(s),a=qo(this,t,Do,o,r,n,i-1);a&&e.push(a)}}else{const s=Math.max(0,n.start),i=Math.min(c.count,n.start+n.count);for(let r=s,n=i-1;r<n;r+=h){const s=qo(this,t,Do,o,r,r+1,r);s&&e.push(s)}if(this.isLineLoop){const r=qo(this,t,Do,o,i-1,s,i-1);r&&e.push(r)}}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;t<e;t++){const e=s[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function qo(t,e,s,i,r,n,a){const o=t.geometry.attributes.position;Vo.fromBufferAttribute(o,r),Lo.fromBufferAttribute(o,n);if(s.distanceSqToSegment(Vo,Lo,jo,Wo)>i)return;jo.applyMatrix4(t.matrixWorld);const h=e.ray.origin.distanceTo(jo);return h<e.near||h>e.far?void 0:{distance:h,point:Wo.clone().applyMatrix4(t.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:t}}const Ho=new Ti,Xo=new Ti;class Yo extends Jo{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,s=[];for(let t=0,i=e.count;t<i;t+=2)Ho.fromBufferAttribute(e,t),Xo.fromBufferAttribute(e,t+1),s[t]=0===t?0:s[t-1],s[t+1]=s[t]+Ho.distanceTo(Xo);t.setAttribute("lineDistance",new kn(s,1))}else ai("LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Zo extends Jo{constructor(t,e){super(t,e),this.isLineLoop=!0,this.type="LineLoop"}}class Go extends Zn{constructor(t){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new Pr(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const $o=new Qi,Qo=new wa,Ko=new En,th=new Ti;class eh extends Ar{constructor(t=new Wn,e=new Go){super(),this.isPoints=!0,this.type="Points",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}raycast(t,e){const s=this.geometry,i=this.matrixWorld,r=t.params.Points.threshold,n=s.drawRange;if(null===s.boundingSphere&&s.computeBoundingSphere(),Ko.copy(s.boundingSphere),Ko.applyMatrix4(i),Ko.radius+=r,!1===t.ray.intersectsSphere(Ko))return;$o.copy(i).invert(),Qo.copy(t.ray).applyMatrix4($o);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,h=s.index,l=s.attributes.position;if(null!==h){for(let s=Math.max(0,n.start),r=Math.min(h.count,n.start+n.count);s<r;s++){const r=h.getX(s);th.fromBufferAttribute(l,r),sh(th,r,o,i,t,e,this)}}else{for(let s=Math.max(0,n.start),r=Math.min(l.count,n.start+n.count);s<r;s++)th.fromBufferAttribute(l,s),sh(th,s,o,i,t,e,this)}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;t<e;t++){const e=s[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function sh(t,e,s,i,r,n,a){const o=Qo.distanceSqToPoint(t);if(o<s){const s=new Ti;Qo.closestPointToPoint(t,s),s.applyMatrix4(i);const h=r.ray.origin.distanceTo(s);if(h<r.near||h>r.far)return;n.push({distance:h,distanceToRay:Math.sqrt(o),point:s,index:e,face:null,faceIndex:null,barycoord:null,object:a})}}class ih extends Ji{constructor(t,e,s,i,r=1006,n=1006,a,o,h){super(t,e,s,i,r,n,a,o,h),this.isVideoTexture=!0,this.generateMipmaps=!1,this._requestVideoFrameCallbackId=0;const l=this;"requestVideoFrameCallback"in t&&(this._requestVideoFrameCallbackId=t.requestVideoFrameCallback(function e(){l.needsUpdate=!0,l._requestVideoFrameCallbackId=t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}dispose(){0!==this._requestVideoFrameCallbackId&&(this.source.data.cancelVideoFrameCallback(this._requestVideoFrameCallbackId),this._requestVideoFrameCallbackId=0),super.dispose()}}class rh extends ih{constructor(t,e,s,i,r,n,a,o){super({},t,e,s,i,r,n,a,o),this.isVideoFrameTexture=!0}update(){}clone(){return(new this.constructor).copy(this)}setFrame(t){this.image=t,this.needsUpdate=!0}}class nh extends Ji{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=ft,this.minFilter=ft,this.generateMipmaps=!1,this.needsUpdate=!0}}class ah extends Ji{constructor(t,e,s,i,r,n,a,o,h,l,c,u){super(null,n,a,o,h,l,i,r,c,u),this.isCompressedTexture=!0,this.image={width:e,height:s},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class oh extends ah{constructor(t,e,s,i,r,n){super(t,e,s,r,n),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=yt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class hh extends ah{constructor(t,e,s){super(void 0,t[0].width,t[0].height,e,s,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class lh extends Ji{constructor(t=[],e=301,s,i,r,n,a,o,h,l){super(t,e,s,i,r,n,a,o,h,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class ch extends Ji{constructor(t,e,s,i,r,n,a,o,h){super(t,e,s,i,r,n,a,o,h),this.isCanvasTexture=!0,this.needsUpdate=!0}}class uh extends Ji{constructor(t,e,s,i,r,n,a,o,h){super(t,e,s,i,r,n,a,o,h),this.isHTMLTexture=!0,this.generateMipmaps=!1,this.needsUpdate=!0;const l=t?t.parentNode:null;null!==l&&"requestPaint"in l&&(l.onpaint=()=>{this.needsUpdate=!0},l.requestPaint())}dispose(){const t=this.image?this.image.parentNode:null;null!==t&&"onpaint"in t&&(t.onpaint=null),super.dispose()}}class dh extends Ji{constructor(t,e,s=1014,i,r,n,a=1003,o=1003,h,l=1026,c=1){if(l!==Wt&&1027!==l)throw new Error("THREE.DepthTexture: format must be either THREE.DepthFormat or THREE.DepthStencilFormat");super({width:t,height:e,depth:c},i,r,n,a,o,l,s,h),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.source=new Di(Object.assign({},t.image)),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class ph extends dh{constructor(t,e=1014,s=301,i,r,n=1003,a=1003,o,h=1026){const l={width:t,height:t,depth:1},c=[l,l,l,l,l,l];super(t,t,e,s,i,r,n,a,o,h),this.image=c,this.isCubeDepthTexture=!0,this.isCubeTexture=!0}get images(){return this.image}set images(t){this.image=t}}class mh extends Ji{constructor(t=null){super(),this.sourceTexture=t,this.isExternalTexture=!0}copy(t){return super.copy(t),this.sourceTexture=t.sourceTexture,this}}class yh extends Wn{constructor(t=1,e=1,s=1,i=1,r=1,n=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:s,widthSegments:i,heightSegments:r,depthSegments:n};const a=this;i=Math.floor(i),r=Math.floor(r),n=Math.floor(n);const o=[],h=[],l=[],c=[];let u=0,d=0;function p(t,e,s,i,r,n,p,m,y,g,f){const x=n/y,b=p/g,v=n/2,w=p/2,M=m/2,S=y+1,_=g+1;let A=0,T=0;const z=new Ti;for(let n=0;n<_;n++){const a=n*b-w;for(let o=0;o<S;o++){const u=o*x-v;z[t]=u*i,z[e]=a*r,z[s]=M,h.push(z.x,z.y,z.z),z[t]=0,z[e]=0,z[s]=m>0?1:-1,l.push(z.x,z.y,z.z),c.push(o/y),c.push(1-n/g),A+=1}}for(let t=0;t<g;t++)for(let e=0;e<y;e++){const s=u+e+S*t,i=u+e+S*(t+1),r=u+(e+1)+S*(t+1),n=u+(e+1)+S*t;o.push(s,i,n),o.push(i,r,n),T+=6}a.addGroup(d,T,f),d+=T,u+=A}p("z","y","x",-1,-1,s,e,t,n,r,0),p("z","y","x",1,-1,s,e,-t,n,r,1),p("x","z","y",1,1,t,s,e,i,n,2),p("x","z","y",1,-1,t,s,-e,i,n,3),p("x","y","z",1,-1,t,e,s,i,r,4),p("x","y","z",-1,-1,t,e,-s,i,r,5),this.setIndex(o),this.setAttribute("position",new kn(h,3)),this.setAttribute("normal",new kn(l,3)),this.setAttribute("uv",new kn(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new yh(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}class gh extends Wn{constructor(t=1,e=1,s=4,i=8,r=1){super(),this.type="CapsuleGeometry",this.parameters={radius:t,height:e,capSegments:s,radialSegments:i,heightSegments:r},e=Math.max(0,e),s=Math.max(1,Math.floor(s)),i=Math.max(3,Math.floor(i)),r=Math.max(1,Math.floor(r));const n=[],a=[],o=[],h=[],l=e/2,c=Math.PI/2*t,u=e,d=2*c+u,p=2*s+r,m=i+1,y=new Ti,g=new Ti;for(let f=0;f<=p;f++){let x=0,b=0,v=0,w=0;if(f<=s){const e=f/s,i=e*Math.PI/2;b=-l-t*Math.cos(i),v=t*Math.sin(i),w=-t*Math.cos(i),x=e*c}else if(f<=s+r){const i=(f-s)/r;b=i*e-l,v=t,w=0,x=c+i*u}else{const e=(f-s-r)/s,i=e*Math.PI/2;b=l+t*Math.sin(i),v=t*Math.cos(i),w=t*Math.sin(i),x=c+u+e*c}const M=Math.max(0,Math.min(1,x/d));let S=0;0===f?S=.5/i:f===p&&(S=-.5/i);for(let t=0;t<=i;t++){const e=t/i,s=e*Math.PI*2,r=Math.sin(s),n=Math.cos(s);g.x=-v*n,g.y=b,g.z=v*r,a.push(g.x,g.y,g.z),y.set(-v*n,w,v*r),y.normalize(),o.push(y.x,y.y,y.z),h.push(e+S,M)}if(f>0){const t=(f-1)*m;for(let e=0;e<i;e++){const s=t+e,i=t+e+1,r=f*m+e,a=f*m+e+1;n.push(s,i,r),n.push(i,a,r)}}}this.setIndex(n),this.setAttribute("position",new kn(a,3)),this.setAttribute("normal",new kn(o,3)),this.setAttribute("uv",new kn(h,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new gh(t.radius,t.height,t.capSegments,t.radialSegments,t.heightSegments)}}class fh extends Wn{constructor(t=1,e=32,s=0,i=2*Math.PI){super(),this.type="CircleGeometry",this.parameters={radius:t,segments:e,thetaStart:s,thetaLength:i},e=Math.max(3,e);const r=[],n=[],a=[],o=[],h=new Ti,l=new _i;n.push(0,0,0),a.push(0,0,1),o.push(.5,.5);for(let r=0,c=3;r<=e;r++,c+=3){const u=s+r/e*i;h.x=t*Math.cos(u),h.y=t*Math.sin(u),n.push(h.x,h.y,h.z),a.push(0,0,1),l.x=(n[c]/t+1)/2,l.y=(n[c+1]/t+1)/2,o.push(l.x,l.y)}for(let t=1;t<=e;t++)r.push(t,t+1,0);this.setIndex(r),this.setAttribute("position",new kn(n,3)),this.setAttribute("normal",new kn(a,3)),this.setAttribute("uv",new kn(o,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new fh(t.radius,t.segments,t.thetaStart,t.thetaLength)}}class xh extends Wn{constructor(t=1,e=1,s=1,i=32,r=1,n=!1,a=0,o=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:t,radiusBottom:e,height:s,radialSegments:i,heightSegments:r,openEnded:n,thetaStart:a,thetaLength:o};const h=this;i=Math.floor(i),r=Math.floor(r);const l=[],c=[],u=[],d=[];let p=0;const m=[],y=s/2;let g=0;function f(s){const r=p,n=new _i,m=new Ti;let f=0;const x=!0===s?t:e,b=!0===s?1:-1;for(let t=1;t<=i;t++)c.push(0,y*b,0),u.push(0,b,0),d.push(.5,.5),p++;const v=p;for(let t=0;t<=i;t++){const e=t/i*o+a,s=Math.cos(e),r=Math.sin(e);m.x=x*r,m.y=y*b,m.z=x*s,c.push(m.x,m.y,m.z),u.push(0,b,0),n.x=.5*s+.5,n.y=.5*r*b+.5,d.push(n.x,n.y),p++}for(let t=0;t<i;t++){const e=r+t,i=v+t;!0===s?l.push(i,i+1,e):l.push(i+1,i,e),f+=3}h.addGroup(g,f,!0===s?1:2),g+=f}!function(){const n=new Ti,f=new Ti;let x=0;const b=(e-t)/s;for(let h=0;h<=r;h++){const l=[],g=h/r,x=g*(e-t)+t;for(let t=0;t<=i;t++){const e=t/i,r=e*o+a,h=Math.sin(r),m=Math.cos(r);f.x=x*h,f.y=-g*s+y,f.z=x*m,c.push(f.x,f.y,f.z),n.set(h,b,m).normalize(),u.push(n.x,n.y,n.z),d.push(e,1-g),l.push(p++)}m.push(l)}for(let s=0;s<i;s++)for(let i=0;i<r;i++){const n=m[i][s],a=m[i+1][s],o=m[i+1][s+1],h=m[i][s+1];(t>0||0!==i)&&(l.push(n,a,h),x+=3),(e>0||i!==r-1)&&(l.push(a,o,h),x+=3)}h.addGroup(g,x,0),g+=x}(),!1===n&&(t>0&&f(!0),e>0&&f(!1)),this.setIndex(l),this.setAttribute("position",new kn(c,3)),this.setAttribute("normal",new kn(u,3)),this.setAttribute("uv",new kn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new xh(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class bh extends xh{constructor(t=1,e=1,s=32,i=1,r=!1,n=0,a=2*Math.PI){super(0,t,e,s,i,r,n,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:s,heightSegments:i,openEnded:r,thetaStart:n,thetaLength:a}}static fromJSON(t){return new bh(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class vh extends Wn{constructor(t=[],e=[],s=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:s,detail:i};const r=[],n=[];function a(t,e,s,i){const r=i+1,n=[];for(let i=0;i<=r;i++){n[i]=[];const a=t.clone().lerp(s,i/r),o=e.clone().lerp(s,i/r),h=r-i;for(let t=0;t<=h;t++)n[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/h)}for(let t=0;t<r;t++)for(let e=0;e<2*(r-t)-1;e++){const s=Math.floor(e/2);e%2==0?(o(n[t][s+1]),o(n[t+1][s]),o(n[t][s])):(o(n[t][s+1]),o(n[t+1][s+1]),o(n[t+1][s]))}}function o(t){r.push(t.x,t.y,t.z)}function h(e,s){const i=3*e;s.x=t[i+0],s.y=t[i+1],s.z=t[i+2]}function l(t,e,s,i){i<0&&1===t.x&&(n[e]=t.x-1),0===s.x&&0===s.z&&(n[e]=i/2/Math.PI+.5)}function c(t){return Math.atan2(t.z,-t.x)}function u(t){return Math.atan2(-t.y,Math.sqrt(t.x*t.x+t.z*t.z))}!function(t){const s=new Ti,i=new Ti,r=new Ti;for(let n=0;n<e.length;n+=3)h(e[n+0],s),h(e[n+1],i),h(e[n+2],r),a(s,i,r,t)}(i),function(t){const e=new Ti;for(let s=0;s<r.length;s+=3)e.x=r[s+0],e.y=r[s+1],e.z=r[s+2],e.normalize().multiplyScalar(t),r[s+0]=e.x,r[s+1]=e.y,r[s+2]=e.z}(s),function(){const t=new Ti;for(let e=0;e<r.length;e+=3){t.x=r[e+0],t.y=r[e+1],t.z=r[e+2];const s=c(t)/2/Math.PI+.5,i=u(t)/Math.PI+.5;n.push(s,1-i)}(function(){const t=new Ti,e=new Ti,s=new Ti,i=new Ti,a=new _i,o=new _i,h=new _i;for(let u=0,d=0;u<r.length;u+=9,d+=6){t.set(r[u+0],r[u+1],r[u+2]),e.set(r[u+3],r[u+4],r[u+5]),s.set(r[u+6],r[u+7],r[u+8]),a.set(n[d+0],n[d+1]),o.set(n[d+2],n[d+3]),h.set(n[d+4],n[d+5]),i.copy(t).add(e).add(s).divideScalar(3);const p=c(i);l(a,d+0,t,p),l(o,d+2,e,p),l(h,d+4,s,p)}})(),function(){for(let t=0;t<n.length;t+=6){const e=n[t+0],s=n[t+2],i=n[t+4],r=Math.max(e,s,i),a=Math.min(e,s,i);r>.9&&a<.1&&(e<.2&&(n[t+0]+=1),s<.2&&(n[t+2]+=1),i<.2&&(n[t+4]+=1))}}()}(),this.setAttribute("position",new kn(r,3)),this.setAttribute("normal",new kn(r.slice(),3)),this.setAttribute("uv",new kn(n,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new vh(t.vertices,t.indices,t.radius,t.detail)}}class wh extends vh{constructor(t=1,e=0){const s=(1+Math.sqrt(5))/2,i=1/s;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-s,0,-i,s,0,i,-s,0,i,s,-i,-s,0,-i,s,0,i,-s,0,i,s,0,-s,0,-i,s,0,-i,-s,0,i,s,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new wh(t.radius,t.detail)}}const Mh=new Ti,Sh=new Ti,_h=new Ti,Ah=new $r;class Th extends Wn{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const s=4,i=Math.pow(10,s),r=Math.cos(yi*e),n=t.getIndex(),a=t.getAttribute("position"),o=n?n.count:a.count,h=[0,0,0],l=["a","b","c"],c=new Array(3),u={},d=[];for(let t=0;t<o;t+=3){n?(h[0]=n.getX(t),h[1]=n.getX(t+1),h[2]=n.getX(t+2)):(h[0]=t,h[1]=t+1,h[2]=t+2);const{a:e,b:s,c:o}=Ah;if(e.fromBufferAttribute(a,h[0]),s.fromBufferAttribute(a,h[1]),o.fromBufferAttribute(a,h[2]),Ah.getNormal(_h),c[0]=`${Math.round(e.x*i)},${Math.round(e.y*i)},${Math.round(e.z*i)}`,c[1]=`${Math.round(s.x*i)},${Math.round(s.y*i)},${Math.round(s.z*i)}`,c[2]=`${Math.round(o.x*i)},${Math.round(o.y*i)},${Math.round(o.z*i)}`,c[0]!==c[1]&&c[1]!==c[2]&&c[2]!==c[0])for(let t=0;t<3;t++){const e=(t+1)%3,s=c[t],i=c[e],n=Ah[l[t]],a=Ah[l[e]],o=`${s}_${i}`,p=`${i}_${s}`;p in u&&u[p]?(_h.dot(u[p].normal)<=r&&(d.push(n.x,n.y,n.z),d.push(a.x,a.y,a.z)),u[p]=null):o in u||(u[o]={index0:h[t],index1:h[e],normal:_h.clone()})}}for(const t in u)if(u[t]){const{index0:e,index1:s}=u[t];Mh.fromBufferAttribute(a,e),Sh.fromBufferAttribute(a,s),d.push(Mh.x,Mh.y,Mh.z),d.push(Sh.x,Sh.y,Sh.z)}this.setAttribute("position",new kn(d,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}class zh{constructor(){this.type="Curve",this.arcLengthDivisions=200,this.needsUpdate=!1,this.cacheArcLengths=null}getPoint(){ai("Curve: .getPoint() not implemented.")}getPointAt(t,e){const s=this.getUtoTmapping(t);return this.getPoint(s,e)}getPoints(t=5){const e=[];for(let s=0;s<=t;s++)e.push(this.getPoint(s/t));return e}getSpacedPoints(t=5){const e=[];for(let s=0;s<=t;s++)e.push(this.getPointAt(s/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let s,i=this.getPoint(0),r=0;e.push(0);for(let n=1;n<=t;n++)s=this.getPoint(n/t),r+=s.distanceTo(i),e.push(r),i=s;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e=null){const s=this.getLengths();let i=0;const r=s.length;let n;n=e||t*s[r-1];let a,o=0,h=r-1;for(;o<=h;)if(i=Math.floor(o+(h-o)/2),a=s[i]-n,a<0)o=i+1;else{if(!(a>0)){h=i;break}h=i-1}if(i=h,s[i]===n)return i/(r-1);const l=s[i];return(i+(n-l)/(s[i+1]-l))/(r-1)}getTangent(t,e){const s=1e-4;let i=t-s,r=t+s;i<0&&(i=0),r>1&&(r=1);const n=this.getPoint(i),a=this.getPoint(r),o=e||(n.isVector2?new _i:new Ti);return o.copy(a).sub(n).normalize(),o}getTangentAt(t,e){const s=this.getUtoTmapping(t);return this.getTangent(s,e)}computeFrenetFrames(t,e=!1){const s=new Ti,i=[],r=[],n=[],a=new Ti,o=new Qi;for(let e=0;e<=t;e++){const s=e/t;i[e]=this.getTangentAt(s,new Ti)}r[0]=new Ti,n[0]=new Ti;let h=Number.MAX_VALUE;const l=Math.abs(i[0].x),c=Math.abs(i[0].y),u=Math.abs(i[0].z);l<=h&&(h=l,s.set(1,0,0)),c<=h&&(h=c,s.set(0,1,0)),u<=h&&s.set(0,0,1),a.crossVectors(i[0],s).normalize(),r[0].crossVectors(i[0],a),n[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),n[e]=n[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(xi(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}n[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(xi(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let s=1;s<=t;s++)r[s].applyMatrix4(o.makeRotationAxis(i[s],e*s)),n[s].crossVectors(i[s],r[s])}return{tangents:i,normals:r,binormals:n}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.7,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Ch extends zh{constructor(t=0,e=0,s=1,i=1,r=0,n=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=s,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=n,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new _i){const s=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const n=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(r=n?0:i),!0!==this.aClockwise||n||(r===i?r=-i:r-=i);const a=this.aStartAngle+t*r;let o=this.aX+this.xRadius*Math.cos(a),h=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),s=o-this.aX,i=h-this.aY;o=s*t-i*e+this.aX,h=s*e+i*t+this.aY}return s.set(o,h)}copy(t){return super.copy(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}toJSON(){const t=super.toJSON();return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t}fromJSON(t){return super.fromJSON(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}}class Ih extends Ch{constructor(t,e,s,i,r,n){super(t,e,s,s,i,r,n),this.isArcCurve=!0,this.type="ArcCurve"}}function Bh(){let t=0,e=0,s=0,i=0;function r(r,n,a,o){t=r,e=a,s=-3*r+3*n-2*a-o,i=2*r-2*n+a+o}return{initCatmullRom:function(t,e,s,i,n){r(e,s,n*(s-t),n*(i-e))},initNonuniformCatmullRom:function(t,e,s,i,n,a,o){let h=(e-t)/n-(s-t)/(n+a)+(s-e)/a,l=(s-e)/a-(i-e)/(a+o)+(i-s)/o;h*=a,l*=a,r(e,s,h,l)},calc:function(r){const n=r*r;return t+e*r+s*n+i*(n*r)}}}const kh=new Ti,Oh=new Ti,Ph=new Bh,Rh=new Bh,Eh=new Bh;class Nh extends zh{constructor(t=[],e=!1,s="centripetal",i=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=s,this.tension=i}getPoint(t,e=new Ti){const s=e,i=this.points,r=i.length,n=(r-(this.closed?0:1))*t;let a,o,h=Math.floor(n),l=n-h;this.closed?h+=h>0?0:(Math.floor(Math.abs(h)/r)+1)*r:0===l&&h===r-1&&(h=r-2,l=1),this.closed||h>0?a=i[(h-1)%r]:(Oh.subVectors(i[0],i[1]).add(i[0]),a=Oh);const c=i[h%r],u=i[(h+1)%r];if(this.closed||h+2<r?o=i[(h+2)%r]:(kh.subVectors(i[r-1],i[r-2]).add(i[r-1]),o=kh),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(a.distanceToSquared(c),t),s=Math.pow(c.distanceToSquared(u),t),i=Math.pow(u.distanceToSquared(o),t);s<1e-4&&(s=1),e<1e-4&&(e=s),i<1e-4&&(i=s),Ph.initNonuniformCatmullRom(a.x,c.x,u.x,o.x,e,s,i),Rh.initNonuniformCatmullRom(a.y,c.y,u.y,o.y,e,s,i),Eh.initNonuniformCatmullRom(a.z,c.z,u.z,o.z,e,s,i)}else"catmullrom"===this.curveType&&(Ph.initCatmullRom(a.x,c.x,u.x,o.x,this.tension),Rh.initCatmullRom(a.y,c.y,u.y,o.y,this.tension),Eh.initCatmullRom(a.z,c.z,u.z,o.z,this.tension));return s.set(Ph.calc(l),Rh.calc(l),Eh.calc(l)),s}copy(t){super.copy(t),this.points=[];for(let e=0,s=t.points.length;e<s;e++){const s=t.points[e];this.points.push(s.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,s=this.points.length;e<s;e++){const s=this.points[e];t.points.push(s.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,s=t.points.length;e<s;e++){const s=t.points[e];this.points.push((new Ti).fromArray(s))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}}function Vh(t,e,s,i,r){const n=.5*(i-e),a=.5*(r-s),o=t*t;return(2*s-2*i+n+a)*(t*o)+(-3*s+3*i-2*n-a)*o+n*t+s}function Lh(t,e,s,i){return function(t,e){const s=1-t;return s*s*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,s)+function(t,e){return t*t*e}(t,i)}function Fh(t,e,s,i,r){return function(t,e){const s=1-t;return s*s*s*e}(t,e)+function(t,e){const s=1-t;return 3*s*s*t*e}(t,s)+function(t,e){return 3*(1-t)*t*t*e}(t,i)+function(t,e){return t*t*t*e}(t,r)}class Dh extends zh{constructor(t=new _i,e=new _i,s=new _i,i=new _i){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=s,this.v3=i}getPoint(t,e=new _i){const s=e,i=this.v0,r=this.v1,n=this.v2,a=this.v3;return s.set(Fh(t,i.x,r.x,n.x,a.x),Fh(t,i.y,r.y,n.y,a.y)),s}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class Uh extends zh{constructor(t=new Ti,e=new Ti,s=new Ti,i=new Ti){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=s,this.v3=i}getPoint(t,e=new Ti){const s=e,i=this.v0,r=this.v1,n=this.v2,a=this.v3;return s.set(Fh(t,i.x,r.x,n.x,a.x),Fh(t,i.y,r.y,n.y,a.y),Fh(t,i.z,r.z,n.z,a.z)),s}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class jh extends zh{constructor(t=new _i,e=new _i){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new _i){const s=e;return 1===t?s.copy(this.v2):(s.copy(this.v2).sub(this.v1),s.multiplyScalar(t).add(this.v1)),s}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new _i){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Wh extends zh{constructor(t=new Ti,e=new Ti){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=t,this.v2=e}getPoint(t,e=new Ti){const s=e;return 1===t?s.copy(this.v2):(s.copy(this.v2).sub(this.v1),s.multiplyScalar(t).add(this.v1)),s}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new Ti){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Jh extends zh{constructor(t=new _i,e=new _i,s=new _i){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=s}getPoint(t,e=new _i){const s=e,i=this.v0,r=this.v1,n=this.v2;return s.set(Lh(t,i.x,r.x,n.x),Lh(t,i.y,r.y,n.y)),s}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class qh extends zh{constructor(t=new Ti,e=new Ti,s=new Ti){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=s}getPoint(t,e=new Ti){const s=e,i=this.v0,r=this.v1,n=this.v2;return s.set(Lh(t,i.x,r.x,n.x),Lh(t,i.y,r.y,n.y),Lh(t,i.z,r.z,n.z)),s}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Hh extends zh{constructor(t=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=t}getPoint(t,e=new _i){const s=e,i=this.points,r=(i.length-1)*t,n=Math.floor(r),a=r-n,o=i[0===n?n:n-1],h=i[n],l=i[n>i.length-2?i.length-1:n+1],c=i[n>i.length-3?i.length-1:n+2];return s.set(Vh(a,o.x,h.x,l.x,c.x),Vh(a,o.y,h.y,l.y,c.y)),s}copy(t){super.copy(t),this.points=[];for(let e=0,s=t.points.length;e<s;e++){const s=t.points[e];this.points.push(s.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,s=this.points.length;e<s;e++){const s=this.points[e];t.points.push(s.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,s=t.points.length;e<s;e++){const s=t.points[e];this.points.push((new _i).fromArray(s))}return this}}var Xh=Object.freeze({__proto__:null,ArcCurve:Ih,CatmullRomCurve3:Nh,CubicBezierCurve:Dh,CubicBezierCurve3:Uh,EllipseCurve:Ch,LineCurve:jh,LineCurve3:Wh,QuadraticBezierCurve:Jh,QuadraticBezierCurve3:qh,SplineCurve:Hh});class Yh extends zh{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(t){this.curves.push(t)}closePath(){const t=this.curves[0].getPoint(0),e=this.curves[this.curves.length-1].getPoint(1);if(!t.equals(e)){const s=!0===t.isVector2?"LineCurve":"LineCurve3";this.curves.push(new Xh[s](e,t))}return this}getPoint(t,e){const s=t*this.getLength(),i=this.getCurveLengths();let r=0;for(;r<i.length;){if(i[r]>=s){const t=i[r]-s,n=this.curves[r],a=n.getLength(),o=0===a?0:1-t/a;return n.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let s=0,i=this.curves.length;s<i;s++)e+=this.curves[s].getLength(),t.push(e);return this.cacheLengths=t,t}getSpacedPoints(t=40){const e=[];for(let s=0;s<=t;s++)e.push(this.getPoint(s/t));return this.autoClose&&e.push(e[0]),e}getPoints(t=12){const e=[];let s;for(let i=0,r=this.curves;i<r.length;i++){const n=r[i],a=n.isEllipseCurve?2*t:n.isLineCurve||n.isLineCurve3?1:n.isSplineCurve?t*n.points.length:t,o=n.getPoints(a);for(let t=0;t<o.length;t++){const i=o[t];s&&s.equals(i)||(e.push(i),s=i)}}return this.autoClose&&e.length>1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,s=t.curves.length;e<s;e++){const s=t.curves[e];this.curves.push(s.clone())}return this.autoClose=t.autoClose,this}toJSON(){const t=super.toJSON();t.autoClose=this.autoClose,t.curves=[];for(let e=0,s=this.curves.length;e<s;e++){const s=this.curves[e];t.curves.push(s.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let e=0,s=t.curves.length;e<s;e++){const s=t.curves[e];this.curves.push((new Xh[s.type]).fromJSON(s))}return this}}class Zh extends Yh{constructor(t){super(),this.type="Path",this.currentPoint=new _i,t&&this.setFromPoints(t)}setFromPoints(t){this.moveTo(t[0].x,t[0].y);for(let e=1,s=t.length;e<s;e++)this.lineTo(t[e].x,t[e].y);return this}moveTo(t,e){return this.currentPoint.set(t,e),this}lineTo(t,e){const s=new jh(this.currentPoint.clone(),new _i(t,e));return this.curves.push(s),this.currentPoint.set(t,e),this}quadraticCurveTo(t,e,s,i){const r=new Jh(this.currentPoint.clone(),new _i(t,e),new _i(s,i));return this.curves.push(r),this.currentPoint.set(s,i),this}bezierCurveTo(t,e,s,i,r,n){const a=new Dh(this.currentPoint.clone(),new _i(t,e),new _i(s,i),new _i(r,n));return this.curves.push(a),this.currentPoint.set(r,n),this}splineThru(t){const e=[this.currentPoint.clone()].concat(t),s=new Hh(e);return this.curves.push(s),this.currentPoint.copy(t[t.length-1]),this}arc(t,e,s,i,r,n){const a=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(t+a,e+o,s,i,r,n),this}absarc(t,e,s,i,r,n){return this.absellipse(t,e,s,s,i,r,n),this}ellipse(t,e,s,i,r,n,a,o){const h=this.currentPoint.x,l=this.currentPoint.y;return this.absellipse(t+h,e+l,s,i,r,n,a,o),this}absellipse(t,e,s,i,r,n,a,o){const h=new Ch(t,e,s,i,r,n,a,o);if(this.curves.length>0){const t=h.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(h);const l=h.getPoint(1);return this.currentPoint.copy(l),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class Gh extends Zh{constructor(t){super(t),this.uuid=fi(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let s=0,i=this.holes.length;s<i;s++)e[s]=this.holes[s].getPoints(t);return e}extractPoints(t){return{shape:this.getPoints(t),holes:this.getPointsHoles(t)}}copy(t){super.copy(t),this.holes=[];for(let e=0,s=t.holes.length;e<s;e++){const s=t.holes[e];this.holes.push(s.clone())}return this}toJSON(){const t=super.toJSON();t.uuid=this.uuid,t.holes=[];for(let e=0,s=this.holes.length;e<s;e++){const s=this.holes[e];t.holes.push(s.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.uuid=t.uuid,this.holes=[];for(let e=0,s=t.holes.length;e<s;e++){const s=t.holes[e];this.holes.push((new Zh).fromJSON(s))}return this}}function $h(t,e,s=2){const i=e&&e.length,r=i?e[0]*s:t.length;let n=Qh(t,0,r,s,!0);const a=[];if(!n||n.next===n.prev)return a;let o,h,l;if(i&&(n=function(t,e,s,i){const r=[];for(let s=0,n=e.length;s<n;s++){const a=Qh(t,e[s]*i,s<n-1?e[s+1]*i:t.length,i,!1);a===a.next&&(a.steiner=!0),r.push(ll(a))}r.sort(nl);for(let t=0;t<r.length;t++)s=al(r[t],s);return s}(t,e,n,s)),t.length>80*s){o=t[0],h=t[1];let e=o,i=h;for(let n=s;n<r;n+=s){const s=t[n],r=t[n+1];s<o&&(o=s),r<h&&(h=r),s>e&&(e=s),r>i&&(i=r)}l=Math.max(e-o,i-h),l=0!==l?32767/l:0}return tl(n,a,s,o,h,l,0),a}function Qh(t,e,s,i,r){let n;if(r===function(t,e,s,i){let r=0;for(let n=e,a=s-i;n<s;n+=i)r+=(t[a]-t[n])*(t[n+1]+t[a+1]),a=n;return r}(t,e,s,i)>0)for(let r=e;r<s;r+=i)n=vl(r/i|0,t[r],t[r+1],n);else for(let r=s-i;r>=e;r-=i)n=vl(r/i|0,t[r],t[r+1],n);return n&&ml(n,n.next)&&(wl(n),n=n.next),n}function Kh(t,e){if(!t)return t;e||(e=t);let s,i=t;do{if(s=!1,i.steiner||!ml(i,i.next)&&0!==pl(i.prev,i,i.next))i=i.next;else{if(wl(i),i=e=i.prev,i===i.next)break;s=!0}}while(s||i!==e);return e}function tl(t,e,s,i,r,n,a){if(!t)return;!a&&n&&function(t,e,s,i){let r=t;do{0===r.z&&(r.z=hl(r.x,r.y,e,s,i)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==t);r.prevZ.nextZ=null,r.prevZ=null,function(t){let e,s=1;do{let i,r=t;t=null;let n=null;for(e=0;r;){e++;let a=r,o=0;for(let t=0;t<s&&(o++,a=a.nextZ,a);t++);let h=s;for(;o>0||h>0&&a;)0!==o&&(0===h||!a||r.z<=a.z)?(i=r,r=r.nextZ,o--):(i=a,a=a.nextZ,h--),n?n.nextZ=i:t=i,i.prevZ=n,n=i;r=a}n.nextZ=null,s*=2}while(e>1)}(r)}(t,i,r,n);let o=t;for(;t.prev!==t.next;){const 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b=t.prevZ,v=t.nextZ;for(;b&&b.z>=f&&v&&v.z<=x;){if(b.x>=p&&b.x<=y&&b.y>=m&&b.y<=g&&b!==r&&b!==a&&ul(o,c,h,u,l,d,b.x,b.y)&&pl(b.prev,b,b.next)>=0)return!1;if(b=b.prevZ,v.x>=p&&v.x<=y&&v.y>=m&&v.y<=g&&v!==r&&v!==a&&ul(o,c,h,u,l,d,v.x,v.y)&&pl(v.prev,v,v.next)>=0)return!1;v=v.nextZ}for(;b&&b.z>=f;){if(b.x>=p&&b.x<=y&&b.y>=m&&b.y<=g&&b!==r&&b!==a&&ul(o,c,h,u,l,d,b.x,b.y)&&pl(b.prev,b,b.next)>=0)return!1;b=b.prevZ}for(;v&&v.z<=x;){if(v.x>=p&&v.x<=y&&v.y>=m&&v.y<=g&&v!==r&&v!==a&&ul(o,c,h,u,l,d,v.x,v.y)&&pl(v.prev,v,v.next)>=0)return!1;v=v.nextZ}return!0}function il(t,e){let s=t;do{const i=s.prev,r=s.next.next;!ml(i,r)&&yl(i,s,s.next,r)&&xl(i,r)&&xl(r,i)&&(e.push(i.i,s.i,r.i),wl(s),wl(s.next),s=t=r),s=s.next}while(s!==t);return Kh(s)}function rl(t,e,s,i,r,n){let a=t;do{let t=a.next.next;for(;t!==a.prev;){if(a.i!==t.i&&dl(a,t)){let o=bl(a,t);return a=Kh(a,a.next),o=Kh(o,o.next),tl(a,e,s,i,r,n,0),void tl(o,e,s,i,r,n,0)}t=t.next}a=a.next}while(a!==t)}function nl(t,e){let s=t.x-e.x;if(0===s&&(s=t.y-e.y,0===s)){s=(t.next.y-t.y)/(t.next.x-t.x)-(e.next.y-e.y)/(e.next.x-e.x)}return s}function al(t,e){const s=function(t,e){let s=e;const i=t.x,r=t.y;let n,a=-1/0;if(ml(t,s))return s;do{if(ml(t,s.next))return s.next;if(r<=s.y&&r>=s.next.y&&s.next.y!==s.y){const t=s.x+(r-s.y)*(s.next.x-s.x)/(s.next.y-s.y);if(t<=i&&t>a&&(a=t,n=s.x<s.next.x?s:s.next,t===i))return n}s=s.next}while(s!==e);if(!n)return null;const o=n,h=n.x,l=n.y;let c=1/0;s=n;do{if(i>=s.x&&s.x>=h&&i!==s.x&&cl(r<l?i:a,r,h,l,r<l?a:i,r,s.x,s.y)){const e=Math.abs(r-s.y)/(i-s.x);xl(s,t)&&(e<c||e===c&&(s.x>n.x||s.x===n.x&&ol(n,s)))&&(n=s,c=e)}s=s.next}while(s!==o);return n}(t,e);if(!s)return e;const i=bl(s,t);return Kh(i,i.next),Kh(s,s.next)}function ol(t,e){return pl(t.prev,t,e.prev)<0&&pl(e.next,t,t.next)<0}function hl(t,e,s,i,r){return(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=(t-s)*r|0)|t<<8))|t<<4))|t<<2))|t<<1))|(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=(e-i)*r|0)|e<<8))|e<<4))|e<<2))|e<<1))<<1}function ll(t){let e=t,s=t;do{(e.x<s.x||e.x===s.x&&e.y<s.y)&&(s=e),e=e.next}while(e!==t);return s}function cl(t,e,s,i,r,n,a,o){return(r-a)*(e-o)>=(t-a)*(n-o)&&(t-a)*(i-o)>=(s-a)*(e-o)&&(s-a)*(n-o)>=(r-a)*(i-o)}function ul(t,e,s,i,r,n,a,o){return!(t===a&&e===o)&&cl(t,e,s,i,r,n,a,o)}function dl(t,e){return t.next.i!==e.i&&t.prev.i!==e.i&&!function(t,e){let s=t;do{if(s.i!==t.i&&s.next.i!==t.i&&s.i!==e.i&&s.next.i!==e.i&&yl(s,s.next,t,e))return!0;s=s.next}while(s!==t);return!1}(t,e)&&(xl(t,e)&&xl(e,t)&&function(t,e){let s=t,i=!1;const r=(t.x+e.x)/2,n=(t.y+e.y)/2;do{s.y>n!=s.next.y>n&&s.next.y!==s.y&&r<(s.next.x-s.x)*(n-s.y)/(s.next.y-s.y)+s.x&&(i=!i),s=s.next}while(s!==t);return i}(t,e)&&(pl(t.prev,t,e.prev)||pl(t,e.prev,e))||ml(t,e)&&pl(t.prev,t,t.next)>0&&pl(e.prev,e,e.next)>0)}function pl(t,e,s){return(e.y-t.y)*(s.x-e.x)-(e.x-t.x)*(s.y-e.y)}function ml(t,e){return t.x===e.x&&t.y===e.y}function yl(t,e,s,i){const r=fl(pl(t,e,s)),n=fl(pl(t,e,i)),a=fl(pl(s,i,t)),o=fl(pl(s,i,e));return r!==n&&a!==o||(!(0!==r||!gl(t,s,e))||(!(0!==n||!gl(t,i,e))||(!(0!==a||!gl(s,t,i))||!(0!==o||!gl(s,e,i)))))}function gl(t,e,s){return e.x<=Math.max(t.x,s.x)&&e.x>=Math.min(t.x,s.x)&&e.y<=Math.max(t.y,s.y)&&e.y>=Math.min(t.y,s.y)}function fl(t){return t>0?1:t<0?-1:0}function xl(t,e){return pl(t.prev,t,t.next)<0?pl(t,e,t.next)>=0&&pl(t,t.prev,e)>=0:pl(t,e,t.prev)<0||pl(t,t.next,e)<0}function bl(t,e){const s=Ml(t.i,t.x,t.y),i=Ml(e.i,e.x,e.y),r=t.next,n=e.prev;return t.next=e,e.prev=t,s.next=r,r.prev=s,i.next=s,s.prev=i,n.next=i,i.prev=n,i}function vl(t,e,s,i){const r=Ml(t,e,s);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function wl(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function Ml(t,e,s){return{i:t,x:e,y:s,prev:null,next:null,z:0,prevZ:null,nextZ:null,steiner:!1}}class Sl{static triangulate(t,e,s=2){return $h(t,e,s)}}class _l{static area(t){const e=t.length;let s=0;for(let i=e-1,r=0;r<e;i=r++)s+=t[i].x*t[r].y-t[r].x*t[i].y;return.5*s}static isClockWise(t){return _l.area(t)<0}static triangulateShape(t,e){const s=[],i=[],r=[];Al(t),Tl(s,t);let n=t.length;e.forEach(Al);for(let t=0;t<e.length;t++)i.push(n),n+=e[t].length,Tl(s,e[t]);const a=Sl.triangulate(s,i);for(let t=0;t<a.length;t+=3)r.push(a.slice(t,t+3));return r}}function Al(t){const e=t.length;e>2&&t[e-1].equals(t[0])&&t.pop()}function Tl(t,e){for(let s=0;s<e.length;s++)t.push(e[s].x),t.push(e[s].y)}class zl extends Wn{constructor(t=new Gh([new _i(.5,.5),new _i(-.5,.5),new _i(-.5,-.5),new _i(.5,-.5)]),e={}){super(),this.type="ExtrudeGeometry",this.parameters={shapes:t,options:e},t=Array.isArray(t)?t:[t];const s=this,i=[],r=[];for(let e=0,s=t.length;e<s;e++){n(t[e])}function n(t){const n=[],a=void 0!==e.curveSegments?e.curveSegments:12,o=void 0!==e.steps?e.steps:1,h=void 0!==e.depth?e.depth:1;let l=void 0===e.bevelEnabled||e.bevelEnabled,c=void 0!==e.bevelThickness?e.bevelThickness:.2,u=void 0!==e.bevelSize?e.bevelSize:c-.1,d=void 0!==e.bevelOffset?e.bevelOffset:0,p=void 0!==e.bevelSegments?e.bevelSegments:3;const m=e.extrudePath,y=void 0!==e.UVGenerator?e.UVGenerator:Cl;let g,f,x,b,v,w=!1;if(m){g=m.getSpacedPoints(o),w=!0,l=!1;const t=!!m.isCatmullRomCurve3&&m.closed;f=m.computeFrenetFrames(o,t),x=new Ti,b=new Ti,v=new Ti}l||(p=0,c=0,u=0,d=0);const M=t.extractPoints(a);let S=M.shape;const _=M.holes;if(!_l.isClockWise(S)){S=S.reverse();for(let t=0,e=_.length;t<e;t++){const e=_[t];_l.isClockWise(e)&&(_[t]=e.reverse())}}function A(t){const e=1e-10*1e-10;let s=t[0];for(let i=1;i<=t.length;i++){const r=i%t.length,n=t[r],a=n.x-s.x,o=n.y-s.y,h=a*a+o*o,l=Math.max(Math.abs(n.x),Math.abs(n.y),Math.abs(s.x),Math.abs(s.y));h<=e*l*l?(t.splice(r,1),i--):s=n}}A(S),_.forEach(A);const T=_.length,z=S;for(let t=0;t<T;t++){const e=_[t];S=S.concat(e)}function C(t,e,s){return e||oi("ExtrudeGeometry: vec does not exist"),t.clone().addScaledVector(e,s)}const I=S.length;function B(t,e,s){let i,r,n;const a=t.x-e.x,o=t.y-e.y,h=s.x-t.x,l=s.y-t.y,c=a*a+o*o,u=a*l-o*h;if(Math.abs(u)>Number.EPSILON){const u=Math.sqrt(c),d=Math.sqrt(h*h+l*l),p=e.x-o/u,m=e.y+a/u,y=((s.x-l/d-p)*l-(s.y+h/d-m)*h)/(a*l-o*h);i=p+a*y-t.x,r=m+o*y-t.y;const g=i*i+r*r;if(g<=2)return new _i(i,r);n=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?h>Number.EPSILON&&(t=!0):a<-Number.EPSILON?h<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(l)&&(t=!0),t?(i=-o,r=a,n=Math.sqrt(c)):(i=a,r=o,n=Math.sqrt(c/2))}return new _i(i/n,r/n)}const k=[];for(let t=0,e=z.length,s=e-1,i=t+1;t<e;t++,s++,i++)s===e&&(s=0),i===e&&(i=0),k[t]=B(z[t],z[s],z[i]);const O=[];let P,R,E=k.concat();for(let t=0,e=T;t<e;t++){const e=_[t];P=[];for(let t=0,s=e.length,i=s-1,r=t+1;t<s;t++,i++,r++)i===s&&(i=0),r===s&&(r=0),P[t]=B(e[t],e[i],e[r]);O.push(P),E=E.concat(P)}if(0===p)R=_l.triangulateShape(z,_);else{const t=[],e=[];for(let s=0;s<p;s++){const i=s/p,r=c*Math.cos(i*Math.PI/2),n=u*Math.sin(i*Math.PI/2)+d;for(let e=0,s=z.length;e<s;e++){const s=C(z[e],k[e],n);F(s.x,s.y,-r),0===i&&t.push(s)}for(let t=0,s=T;t<s;t++){const s=_[t];P=O[t];const a=[];for(let t=0,e=s.length;t<e;t++){const e=C(s[t],P[t],n);F(e.x,e.y,-r),0===i&&a.push(e)}0===i&&e.push(a)}}R=_l.triangulateShape(t,e)}const N=R.length,V=u+d;for(let t=0;t<I;t++){const e=l?C(S[t],E[t],V):S[t];w?(b.copy(f.normals[0]).multiplyScalar(e.x),x.copy(f.binormals[0]).multiplyScalar(e.y),v.copy(g[0]).add(b).add(x),F(v.x,v.y,v.z)):F(e.x,e.y,0)}for(let t=1;t<=o;t++)for(let e=0;e<I;e++){const s=l?C(S[e],E[e],V):S[e];w?(b.copy(f.normals[t]).multiplyScalar(s.x),x.copy(f.binormals[t]).multiplyScalar(s.y),v.copy(g[t]).add(b).add(x),F(v.x,v.y,v.z)):F(s.x,s.y,h/o*t)}for(let t=p-1;t>=0;t--){const e=t/p,s=c*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=z.length;t<e;t++){const e=C(z[t],k[t],i);F(e.x,e.y,h+s)}for(let t=0,e=_.length;t<e;t++){const e=_[t];P=O[t];for(let t=0,r=e.length;t<r;t++){const r=C(e[t],P[t],i);w?F(r.x,r.y+g[o-1].y,g[o-1].x+s):F(r.x,r.y,h+s)}}}function L(t,e){let s=t.length;for(;--s>=0;){const i=s;let r=s-1;r<0&&(r=t.length-1);for(let t=0,s=o+2*p;t<s;t++){const s=I*t,n=I*(t+1);U(e+i+s,e+r+s,e+r+n,e+i+n)}}}function F(t,e,s){n.push(t),n.push(e),n.push(s)}function D(t,e,r){j(t),j(e),j(r);const n=i.length/3,a=y.generateTopUV(s,i,n-3,n-2,n-1);W(a[0]),W(a[1]),W(a[2])}function U(t,e,r,n){j(t),j(e),j(n),j(e),j(r),j(n);const a=i.length/3,o=y.generateSideWallUV(s,i,a-6,a-3,a-2,a-1);W(o[0]),W(o[1]),W(o[3]),W(o[1]),W(o[2]),W(o[3])}function j(t){i.push(n[3*t+0]),i.push(n[3*t+1]),i.push(n[3*t+2])}function W(t){r.push(t.x),r.push(t.y)}!function(){const t=i.length/3;if(l){let t=0,e=I*t;for(let t=0;t<N;t++){const s=R[t];D(s[2]+e,s[1]+e,s[0]+e)}t=o+2*p,e=I*t;for(let t=0;t<N;t++){const s=R[t];D(s[0]+e,s[1]+e,s[2]+e)}}else{for(let t=0;t<N;t++){const e=R[t];D(e[2],e[1],e[0])}for(let t=0;t<N;t++){const e=R[t];D(e[0]+I*o,e[1]+I*o,e[2]+I*o)}}s.addGroup(t,i.length/3-t,0)}(),function(){const t=i.length/3;let e=0;L(z,e),e+=z.length;for(let t=0,s=_.length;t<s;t++){const s=_[t];L(s,e),e+=s.length}s.addGroup(t,i.length/3-t,1)}()}this.setAttribute("position",new kn(i,3)),this.setAttribute("uv",new kn(r,2)),this.computeVertexNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e,s){if(s.shapes=[],Array.isArray(t))for(let e=0,i=t.length;e<i;e++){const i=t[e];s.shapes.push(i.uuid)}else s.shapes.push(t.uuid);s.options=Object.assign({},e),void 0!==e.extrudePath&&(s.options.extrudePath=e.extrudePath.toJSON());return s}(this.parameters.shapes,this.parameters.options,t)}static fromJSON(t,e){const s=[];for(let i=0,r=t.shapes.length;i<r;i++){const r=e[t.shapes[i]];s.push(r)}const i=t.options.extrudePath;return void 0!==i&&(t.options.extrudePath=(new Xh[i.type]).fromJSON(i)),new zl(s,t.options)}}const Cl={generateTopUV:function(t,e,s,i,r){const n=e[3*s],a=e[3*s+1],o=e[3*i],h=e[3*i+1],l=e[3*r],c=e[3*r+1];return[new _i(n,a),new _i(o,h),new _i(l,c)]},generateSideWallUV:function(t,e,s,i,r,n){const a=e[3*s],o=e[3*s+1],h=e[3*s+2],l=e[3*i],c=e[3*i+1],u=e[3*i+2],d=e[3*r],p=e[3*r+1],m=e[3*r+2],y=e[3*n],g=e[3*n+1],f=e[3*n+2];return Math.abs(o-c)<Math.abs(a-l)?[new _i(a,1-h),new _i(l,1-u),new _i(d,1-m),new _i(y,1-f)]:[new _i(o,1-h),new _i(c,1-u),new _i(p,1-m),new _i(g,1-f)]}};class Il extends vh{constructor(t=1,e=0){const s=(1+Math.sqrt(5))/2;super([-1,s,0,1,s,0,-1,-s,0,1,-s,0,0,-1,s,0,1,s,0,-1,-s,0,1,-s,s,0,-1,s,0,1,-s,0,-1,-s,0,1],[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],t,e),this.type="IcosahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Il(t.radius,t.detail)}}class Bl extends Wn{constructor(t=[new _i(0,-.5),new _i(.5,0),new _i(0,.5)],e=12,s=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:s,phiLength:i},e=Math.floor(e),i=xi(i,0,2*Math.PI);const r=[],n=[],a=[],o=[],h=[],l=1/e,c=new Ti,u=new _i,d=new Ti,p=new Ti,m=new Ti;let y=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:y=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-y,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:y=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-y,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=s+r*l*i,p=Math.sin(d),m=Math.cos(d);for(let s=0;s<=t.length-1;s++){c.x=t[s].x*p,c.y=t[s].y,c.z=t[s].x*m,n.push(c.x,c.y,c.z),u.x=r/e,u.y=s/(t.length-1),a.push(u.x,u.y);const i=o[3*s+0]*p,l=o[3*s+1],d=o[3*s+0]*m;h.push(i,l,d)}}for(let s=0;s<e;s++)for(let e=0;e<t.length-1;e++){const i=e+s*t.length,n=i,a=i+t.length,o=i+t.length+1,h=i+1;r.push(n,a,h),r.push(o,h,a)}this.setIndex(r),this.setAttribute("position",new kn(n,3)),this.setAttribute("uv",new kn(a,2)),this.setAttribute("normal",new kn(h,3))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Bl(t.points,t.segments,t.phiStart,t.phiLength)}}class kl extends vh{constructor(t=1,e=0){super([1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],t,e),this.type="OctahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new kl(t.radius,t.detail)}}class Ol extends Wn{constructor(t=1,e=1,s=1,i=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:s,heightSegments:i};const r=t/2,n=e/2,a=Math.floor(s),o=Math.floor(i),h=a+1,l=o+1,c=t/a,u=e/o,d=[],p=[],m=[],y=[];for(let t=0;t<l;t++){const e=t*u-n;for(let s=0;s<h;s++){const i=s*c-r;p.push(i,-e,0),m.push(0,0,1),y.push(s/a),y.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const s=e+h*t,i=e+h*(t+1),r=e+1+h*(t+1),n=e+1+h*t;d.push(s,i,n),d.push(i,r,n)}this.setIndex(d),this.setAttribute("position",new kn(p,3)),this.setAttribute("normal",new kn(m,3)),this.setAttribute("uv",new kn(y,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Ol(t.width,t.height,t.widthSegments,t.heightSegments)}}class Pl extends Wn{constructor(t=.5,e=1,s=32,i=1,r=0,n=2*Math.PI){super(),this.type="RingGeometry",this.parameters={innerRadius:t,outerRadius:e,thetaSegments:s,phiSegments:i,thetaStart:r,thetaLength:n},s=Math.max(3,s);const a=[],o=[],h=[],l=[];let c=t;const u=(e-t)/(i=Math.max(1,i)),d=new Ti,p=new _i;for(let t=0;t<=i;t++){for(let t=0;t<=s;t++){const i=r+t/s*n;d.x=c*Math.cos(i),d.y=c*Math.sin(i),o.push(d.x,d.y,d.z),h.push(0,0,1),p.x=(d.x/e+1)/2,p.y=(d.y/e+1)/2,l.push(p.x,p.y)}c+=u}for(let t=0;t<i;t++){const e=t*(s+1);for(let t=0;t<s;t++){const i=t+e,r=i,n=i+s+1,o=i+s+2,h=i+1;a.push(r,n,h),a.push(n,o,h)}}this.setIndex(a),this.setAttribute("position",new kn(o,3)),this.setAttribute("normal",new kn(h,3)),this.setAttribute("uv",new kn(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Pl(t.innerRadius,t.outerRadius,t.thetaSegments,t.phiSegments,t.thetaStart,t.thetaLength)}}class Rl extends Wn{constructor(t=new Gh([new _i(0,.5),new _i(-.5,-.5),new _i(.5,-.5)]),e=12){super(),this.type="ShapeGeometry",this.parameters={shapes:t,curveSegments:e};const s=[],i=[],r=[],n=[];let a=0,o=0;if(!1===Array.isArray(t))h(t);else for(let e=0;e<t.length;e++)h(t[e]),this.addGroup(a,o,e),a+=o,o=0;function h(t){const a=i.length/3,h=t.extractPoints(e);let l=h.shape;const c=h.holes;!1===_l.isClockWise(l)&&(l=l.reverse());for(let t=0,e=c.length;t<e;t++){const e=c[t];!0===_l.isClockWise(e)&&(c[t]=e.reverse())}const u=_l.triangulateShape(l,c);for(let t=0,e=c.length;t<e;t++){const e=c[t];l=l.concat(e)}for(let t=0,e=l.length;t<e;t++){const e=l[t];i.push(e.x,e.y,0),r.push(0,0,1),n.push(e.x,e.y)}for(let t=0,e=u.length;t<e;t++){const e=u[t],i=e[0]+a,r=e[1]+a,n=e[2]+a;s.push(i,r,n),o+=3}}this.setIndex(s),this.setAttribute("position",new kn(i,3)),this.setAttribute("normal",new kn(r,3)),this.setAttribute("uv",new kn(n,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e){if(e.shapes=[],Array.isArray(t))for(let s=0,i=t.length;s<i;s++){const i=t[s];e.shapes.push(i.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)}static fromJSON(t,e){const s=[];for(let i=0,r=t.shapes.length;i<r;i++){const r=e[t.shapes[i]];s.push(r)}return new Rl(s,t.curveSegments)}}class El extends Wn{constructor(t=1,e=32,s=16,i=0,r=2*Math.PI,n=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:s,phiStart:i,phiLength:r,thetaStart:n,thetaLength:a},e=Math.max(3,Math.floor(e)),s=Math.max(2,Math.floor(s));const o=Math.min(n+a,Math.PI);let h=0;const l=[],c=new Ti,u=new Ti,d=[],p=[],m=[],y=[];for(let d=0;d<=s;d++){const g=[],f=d/s,x=n+f*a,b=t*Math.cos(x),v=Math.sqrt(t*t-b*b);let w=0;0===d&&0===n?w=.5/e:d===s&&o===Math.PI&&(w=-.5/e);for(let t=0;t<=e;t++){const s=t/e,n=i+s*r;c.x=-v*Math.cos(n),c.y=b,c.z=v*Math.sin(n),p.push(c.x,c.y,c.z),u.copy(c).normalize(),m.push(u.x,u.y,u.z),y.push(s+w,1-f),g.push(h++)}l.push(g)}for(let t=0;t<s;t++)for(let i=0;i<e;i++){const e=l[t][i+1],r=l[t][i],a=l[t+1][i],h=l[t+1][i+1];(0!==t||n>0)&&d.push(e,r,h),(t!==s-1||o<Math.PI)&&d.push(r,a,h)}this.setIndex(d),this.setAttribute("position",new kn(p,3)),this.setAttribute("normal",new kn(m,3)),this.setAttribute("uv",new kn(y,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new El(t.radius,t.widthSegments,t.heightSegments,t.phiStart,t.phiLength,t.thetaStart,t.thetaLength)}}class Nl extends vh{constructor(t=1,e=0){super([1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],t,e),this.type="TetrahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Nl(t.radius,t.detail)}}class Vl extends Wn{constructor(t=1,e=.4,s=12,i=48,r=2*Math.PI,n=0,a=2*Math.PI){super(),this.type="TorusGeometry",this.parameters={radius:t,tube:e,radialSegments:s,tubularSegments:i,arc:r,thetaStart:n,thetaLength:a},s=Math.floor(s),i=Math.floor(i);const o=[],h=[],l=[],c=[],u=new Ti,d=new Ti,p=new Ti;for(let o=0;o<=s;o++){const m=n+o/s*a;for(let n=0;n<=i;n++){const a=n/i*r;d.x=(t+e*Math.cos(m))*Math.cos(a),d.y=(t+e*Math.cos(m))*Math.sin(a),d.z=e*Math.sin(m),h.push(d.x,d.y,d.z),u.x=t*Math.cos(a),u.y=t*Math.sin(a),p.subVectors(d,u).normalize(),l.push(p.x,p.y,p.z),c.push(n/i),c.push(o/s)}}for(let t=1;t<=s;t++)for(let e=1;e<=i;e++){const s=(i+1)*t+e-1,r=(i+1)*(t-1)+e-1,n=(i+1)*(t-1)+e,a=(i+1)*t+e;o.push(s,r,a),o.push(r,n,a)}this.setIndex(o),this.setAttribute("position",new kn(h,3)),this.setAttribute("normal",new kn(l,3)),this.setAttribute("uv",new kn(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Vl(t.radius,t.tube,t.radialSegments,t.tubularSegments,t.arc)}}class Ll extends Wn{constructor(t=1,e=.4,s=64,i=8,r=2,n=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:t,tube:e,tubularSegments:s,radialSegments:i,p:r,q:n},s=Math.floor(s),i=Math.floor(i);const a=[],o=[],h=[],l=[],c=new Ti,u=new Ti,d=new Ti,p=new Ti,m=new Ti,y=new Ti,g=new Ti;for(let a=0;a<=s;++a){const x=a/s*r*Math.PI*2;f(x,r,n,t,d),f(x+.01,r,n,t,p),y.subVectors(p,d),g.addVectors(p,d),m.crossVectors(y,g),g.crossVectors(m,y),m.normalize(),g.normalize();for(let t=0;t<=i;++t){const r=t/i*Math.PI*2,n=-e*Math.cos(r),p=e*Math.sin(r);c.x=d.x+(n*g.x+p*m.x),c.y=d.y+(n*g.y+p*m.y),c.z=d.z+(n*g.z+p*m.z),o.push(c.x,c.y,c.z),u.subVectors(c,d).normalize(),h.push(u.x,u.y,u.z),l.push(a/s),l.push(t/i)}}for(let t=1;t<=s;t++)for(let e=1;e<=i;e++){const s=(i+1)*(t-1)+(e-1),r=(i+1)*t+(e-1),n=(i+1)*t+e,o=(i+1)*(t-1)+e;a.push(s,r,o),a.push(r,n,o)}function f(t,e,s,i,r){const n=Math.cos(t),a=Math.sin(t),o=s/e*t,h=Math.cos(o);r.x=i*(2+h)*.5*n,r.y=i*(2+h)*a*.5,r.z=i*Math.sin(o)*.5}this.setIndex(a),this.setAttribute("position",new kn(o,3)),this.setAttribute("normal",new kn(h,3)),this.setAttribute("uv",new kn(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Ll(t.radius,t.tube,t.tubularSegments,t.radialSegments,t.p,t.q)}}class Fl extends Wn{constructor(t=new qh(new Ti(-1,-1,0),new Ti(-1,1,0),new Ti(1,1,0)),e=64,s=1,i=8,r=!1){super(),this.type="TubeGeometry",this.parameters={path:t,tubularSegments:e,radius:s,radialSegments:i,closed:r};const n=t.computeFrenetFrames(e,r);this.tangents=n.tangents,this.normals=n.normals,this.binormals=n.binormals;const a=new Ti,o=new Ti,h=new _i;let l=new Ti;const c=[],u=[],d=[],p=[];function m(r){l=t.getPointAt(r/e,l);const h=n.normals[r],d=n.binormals[r];for(let t=0;t<=i;t++){const e=t/i*Math.PI*2,r=Math.sin(e),n=-Math.cos(e);o.x=n*h.x+r*d.x,o.y=n*h.y+r*d.y,o.z=n*h.z+r*d.z,o.normalize(),u.push(o.x,o.y,o.z),a.x=l.x+s*o.x,a.y=l.y+s*o.y,a.z=l.z+s*o.z,c.push(a.x,a.y,a.z)}}!function(){for(let t=0;t<e;t++)m(t);m(!1===r?e:0),function(){for(let t=0;t<=e;t++)for(let s=0;s<=i;s++)h.x=t/e,h.y=s/i,d.push(h.x,h.y)}(),function(){for(let t=1;t<=e;t++)for(let e=1;e<=i;e++){const s=(i+1)*(t-1)+(e-1),r=(i+1)*t+(e-1),n=(i+1)*t+e,a=(i+1)*(t-1)+e;p.push(s,r,a),p.push(r,n,a)}}()}(),this.setIndex(p),this.setAttribute("position",new kn(c,3)),this.setAttribute("normal",new kn(u,3)),this.setAttribute("uv",new kn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return t.path=this.parameters.path.toJSON(),t}static fromJSON(t){return new Fl((new Xh[t.path.type]).fromJSON(t.path),t.tubularSegments,t.radius,t.radialSegments,t.closed)}}class Dl extends Wn{constructor(t=null){if(super(),this.type="WireframeGeometry",this.parameters={geometry:t},null!==t){const e=[],s=new Set,i=new Ti,r=new Ti;if(null!==t.index){const n=t.attributes.position,a=t.index;let o=t.groups;0===o.length&&(o=[{start:0,count:a.count,materialIndex:0}]);for(let t=0,h=o.length;t<h;++t){const h=o[t],l=h.start;for(let t=l,o=l+h.count;t<o;t+=3)for(let o=0;o<3;o++){const h=a.getX(t+o),l=a.getX(t+(o+1)%3);i.fromBufferAttribute(n,h),r.fromBufferAttribute(n,l),!0===Ul(i,r,s)&&(e.push(i.x,i.y,i.z),e.push(r.x,r.y,r.z))}}}else{const n=t.attributes.position;for(let t=0,a=n.count/3;t<a;t++)for(let a=0;a<3;a++){const o=3*t+a,h=3*t+(a+1)%3;i.fromBufferAttribute(n,o),r.fromBufferAttribute(n,h),!0===Ul(i,r,s)&&(e.push(i.x,i.y,i.z),e.push(r.x,r.y,r.z))}}this.setAttribute("position",new kn(e,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}function Ul(t,e,s){const i=`${t.x},${t.y},${t.z}-${e.x},${e.y},${e.z}`,r=`${e.x},${e.y},${e.z}-${t.x},${t.y},${t.z}`;return!0!==s.has(i)&&!0!==s.has(r)&&(s.add(i),s.add(r),!0)}var jl=Object.freeze({__proto__:null,BoxGeometry:yh,CapsuleGeometry:gh,CircleGeometry:fh,ConeGeometry:bh,CylinderGeometry:xh,DodecahedronGeometry:wh,EdgesGeometry:Th,ExtrudeGeometry:zl,IcosahedronGeometry:Il,LatheGeometry:Bl,OctahedronGeometry:kl,PlaneGeometry:Ol,PolyhedronGeometry:vh,RingGeometry:Pl,ShapeGeometry:Rl,SphereGeometry:El,TetrahedronGeometry:Nl,TorusGeometry:Vl,TorusKnotGeometry:Ll,TubeGeometry:Fl,WireframeGeometry:Dl});class Wl extends Zn{constructor(t){super(),this.isShadowMaterial=!0,this.type="ShadowMaterial",this.color=new Pr(0),this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.fog=t.fog,this}}function Jl(t){const e={};for(const s in t){e[s]={};for(const i in t[s]){const r=t[s][i];if(Hl(r))r.isRenderTargetTexture?(ai("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),e[s][i]=null):e[s][i]=r.clone();else if(Array.isArray(r))if(Hl(r[0])){const t=[];for(let e=0,s=r.length;e<s;e++)t[e]=r[e].clone();e[s][i]=t}else e[s][i]=r.slice();else e[s][i]=r}}return e}function ql(t){const e={};for(let s=0;s<t.length;s++){const i=Jl(t[s]);for(const t in i)e[t]=i[t]}return e}function Hl(t){return t&&(t.isColor||t.isMatrix3||t.isMatrix4||t.isVector2||t.isVector3||t.isVector4||t.isTexture||t.isQuaternion)}function Xl(t){const e=t.getRenderTarget();return null===e?t.outputColorSpace:!0===e.isXRRenderTarget?e.texture.colorSpace:Ri.workingColorSpace}const Yl={clone:Jl,merge:ql};class Zl extends Zn{constructor(t){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=Jl(t.uniforms),this.uniformsGroups=function(t){const e=[];for(let s=0;s<t.length;s++)e.push(t[s].clone());return e}(t.uniformsGroups),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this.defaultAttributeValues=Object.assign({},t.defaultAttributeValues),this.index0AttributeName=t.index0AttributeName,this.uniformsNeedUpdate=t.uniformsNeedUpdate,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const s in this.uniforms){const i=this.uniforms[s].value;i&&i.isTexture?e.uniforms[s]={type:"t",value:i.toJSON(t).uuid}:i&&i.isColor?e.uniforms[s]={type:"c",value:i.getHex()}:i&&i.isVector2?e.uniforms[s]={type:"v2",value:i.toArray()}:i&&i.isVector3?e.uniforms[s]={type:"v3",value:i.toArray()}:i&&i.isVector4?e.uniforms[s]={type:"v4",value:i.toArray()}:i&&i.isMatrix3?e.uniforms[s]={type:"m3",value:i.toArray()}:i&&i.isMatrix4?e.uniforms[s]={type:"m4",value:i.toArray()}:e.uniforms[s]={value:i}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const s={};for(const t in this.extensions)!0===this.extensions[t]&&(s[t]=!0);return Object.keys(s).length>0&&(e.extensions=s),e}fromJSON(t,e){if(super.fromJSON(t,e),void 0!==t.uniforms)for(const s in t.uniforms){const i=t.uniforms[s];switch(this.uniforms[s]={},i.type){case"t":this.uniforms[s].value=e[i.value]||null;break;case"c":this.uniforms[s].value=(new Pr).setHex(i.value);break;case"v2":this.uniforms[s].value=(new _i).fromArray(i.value);break;case"v3":this.uniforms[s].value=(new Ti).fromArray(i.value);break;case"v4":this.uniforms[s].value=(new qi).fromArray(i.value);break;case"m3":this.uniforms[s].value=(new Ii).fromArray(i.value);break;case"m4":this.uniforms[s].value=(new Qi).fromArray(i.value);break;default:this.uniforms[s].value=i.value}}if(void 0!==t.defines&&(this.defines=t.defines),void 0!==t.vertexShader&&(this.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(this.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(this.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)this.extensions[e]=t.extensions[e];return void 0!==t.lights&&(this.lights=t.lights),void 0!==t.clipping&&(this.clipping=t.clipping),this}}class Gl extends Zl{constructor(t){super(t),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}}class $l extends Zn{constructor(t){super(),this.isMeshStandardMaterial=!0,this.type="MeshStandardMaterial",this.defines={STANDARD:""},this.color=new Pr(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Ql extends $l{constructor(t){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new _i(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return xi(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new Pr(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new Pr(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Pr(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._dispersion=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(t)}get anisotropy(){return this._anisotropy}set anisotropy(t){this._anisotropy>0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class Kl extends Zn{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Pr(16777215),this.specular=new Pr(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class tc extends Zn{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Pr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class ec extends Zn{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class sc extends Zn{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Pr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Pr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new hr,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class ic extends Zn{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class rc extends Zn{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}class nc extends Zn{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Pr(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new _i(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this.fog=t.fog,this}}class ac extends No{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function oc(t,e){return t&&t.constructor!==e?"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t):t}function hc(t){const e=t.length,s=new Array(e);for(let t=0;t!==e;++t)s[t]=t;return s.sort(function(e,s){return t[e]-t[s]}),s}function lc(t,e,s){const i=t.length,r=new t.constructor(i);for(let n=0,a=0;a!==i;++n){const i=s[n]*e;for(let s=0;s!==e;++s)r[a++]=t[i+s]}return r}function cc(t,e,s,i){let r=1,n=t[0];for(;void 0!==n&&void 0===n[i];)n=t[r++];if(void 0===n)return;let a=n[i];if(void 0!==a)if(Array.isArray(a))do{a=n[i],void 0!==a&&(e.push(n.time),s.push(...a)),n=t[r++]}while(void 0!==n);else if(void 0!==a.toArray)do{a=n[i],void 0!==a&&(e.push(n.time),a.toArray(s,s.length)),n=t[r++]}while(void 0!==n);else do{a=n[i],void 0!==a&&(e.push(n.time),s.push(a)),n=t[r++]}while(void 0!==n)}class uc{static convertArray(t,e){return oc(t,e)}static isTypedArray(t){return $s(t)}static getKeyframeOrder(t){return hc(t)}static sortedArray(t,e,s){return lc(t,e,s)}static flattenJSON(t,e,s,i){cc(t,e,s,i)}static subclip(t,e,s,i,r=30){return function(t,e,s,i,r=30){const n=t.clone();n.name=e;const a=[];for(let t=0;t<n.tracks.length;++t){const e=n.tracks[t],o=e.getValueSize(),h=[],l=[];for(let t=0;t<e.times.length;++t){const n=e.times[t]*r;if(!(n<s||n>=i)){h.push(e.times[t]);for(let s=0;s<o;++s)l.push(e.values[t*o+s])}}0!==h.length&&(e.times=oc(h,e.times.constructor),e.values=oc(l,e.values.constructor),a.push(e))}n.tracks=a;let o=1/0;for(let t=0;t<n.tracks.length;++t)o>n.tracks[t].times[0]&&(o=n.tracks[t].times[0]);for(let t=0;t<n.tracks.length;++t)n.tracks[t].shift(-1*o);return n.resetDuration(),n}(t,e,s,i,r)}static makeClipAdditive(t,e=0,s=t,i=30){return function(t,e=0,s=t,i=30){i<=0&&(i=30);const r=s.tracks.length,n=e/i;for(let e=0;e<r;++e){const i=s.tracks[e],r=i.ValueTypeName;if("bool"===r||"string"===r)continue;const a=t.tracks.find(function(t){return t.name===i.name&&t.ValueTypeName===r});if(void 0===a)continue;let o=0;const h=i.getValueSize();i.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=h/3);let l=0;const c=a.getValueSize();a.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(l=c/3);const u=i.times.length-1;let d;if(n<=i.times[0]){const t=o,e=h-o;d=i.values.slice(t,e)}else if(n>=i.times[u]){const t=u*h+o,e=t+h-o;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=o,s=h-o;t.evaluate(n),d=t.resultBuffer.slice(e,s)}"quaternion"===r&&(new Ai).fromArray(d).normalize().conjugate().toArray(d);const p=a.times.length;for(let t=0;t<p;++t){const e=t*c+l;if("quaternion"===r)Ai.multiplyQuaternionsFlat(a.values,e,d,0,a.values,e);else{const t=c-2*l;for(let s=0;s<t;++s)a.values[e+s]-=d[s]}}}return t.blendMode=Je,t}(t,e,s,i)}}class dc{constructor(t,e,s,i){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==i?i:new e.constructor(s),this.sampleValues=e,this.valueSize=s,this.settings=null,this.DefaultSettings_={}}evaluate(t){const e=this.parameterPositions;let s=this._cachedIndex,i=e[s],r=e[s-1];t:{e:{let n;s:{i:if(!(t<i)){for(let n=s+2;;){if(void 0===i){if(t<r)break i;return s=e.length,this._cachedIndex=s,this.copySampleValue_(s-1)}if(s===n)break;if(r=i,i=e[++s],t<i)break e}n=e.length;break s}if(!(t>=r)){const a=e[1];t<a&&(s=2,r=a);for(let n=s-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(s===n)break;if(i=r,r=e[--s-1],t>=r)break e}n=s,s=0;break s}break t}for(;s<n;){const i=s+n>>>1;t<e[i]?n=i:s=i+1}if(i=e[s],r=e[s-1],void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===i)return s=e.length,this._cachedIndex=s,this.copySampleValue_(s-1)}this._cachedIndex=s,this.intervalChanged_(s,r,i)}return this.interpolate_(s,r,t,i)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(t){const e=this.resultBuffer,s=this.sampleValues,i=this.valueSize,r=t*i;for(let t=0;t!==i;++t)e[t]=s[r+t];return e}interpolate_(){throw new Error("THREE.Interpolant: Call to abstract method.")}intervalChanged_(){}}class pc extends dc{constructor(t,e,s,i){super(t,e,s,i),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:De,endingEnd:De}}intervalChanged_(t,e,s){const i=this.parameterPositions;let r=t-2,n=t+1,a=i[r],o=i[n];if(void 0===a)switch(this.getSettings_().endingStart){case Ue:r=t,a=2*e-s;break;case je:r=i.length-2,a=e+i[r]-i[r+1];break;default:r=t,a=s}if(void 0===o)switch(this.getSettings_().endingEnd){case Ue:n=t,o=2*s-e;break;case je:n=1,o=s+i[1]-i[0];break;default:n=t-1,o=e}const h=.5*(s-e),l=this.valueSize;this._weightPrev=h/(e-a),this._weightNext=h/(o-s),this._offsetPrev=r*l,this._offsetNext=n*l}interpolate_(t,e,s,i){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=this._offsetPrev,c=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(s-e)/(i-e),m=p*p,y=m*p,g=-u*y+2*u*m-u*p,f=(1+u)*y+(-1.5-2*u)*m+(-.5+u)*p+1,x=(-1-d)*y+(1.5+d)*m+.5*p,b=d*y-d*m;for(let t=0;t!==a;++t)r[t]=g*n[l+t]+f*n[h+t]+x*n[o+t]+b*n[c+t];return r}}class mc extends dc{constructor(t,e,s,i){super(t,e,s,i)}interpolate_(t,e,s,i){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=(s-e)/(i-e),c=1-l;for(let t=0;t!==a;++t)r[t]=n[h+t]*c+n[o+t]*l;return r}}class yc extends dc{constructor(t,e,s,i){super(t,e,s,i)}interpolate_(t){return this.copySampleValue_(t-1)}}class gc extends dc{interpolate_(t,e,s,i){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=this.inTangents,c=this.outTangents;if(!l||!c){const t=(s-e)/(i-e),l=1-t;for(let e=0;e!==a;++e)r[e]=n[h+e]*l+n[o+e]*t;return r}const u=2*a,d=t-1;for(let p=0;p!==a;++p){const a=n[h+p],m=n[o+p],y=d*u+2*p,g=c[y],f=c[y+1],x=t*u+2*p,b=l[x],v=l[x+1];let w,M,S,_,A,T=(s-e)/(i-e);for(let t=0;t<8;t++){w=T*T,M=w*T,S=1-T,_=S*S,A=_*S;const t=A*e+3*_*T*g+3*S*w*b+M*i-s;if(Math.abs(t)<1e-10)break;const r=3*_*(g-e)+6*S*T*(b-g)+3*w*(i-b);if(Math.abs(r)<1e-10)break;T-=t/r,T=Math.max(0,Math.min(1,T))}r[p]=A*a+3*_*T*f+3*S*w*v+M*m}return r}}class fc{constructor(t,e,s,i){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=oc(e,this.TimeBufferType),this.values=oc(s,this.ValueBufferType),this.setInterpolation(i||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let s;if(e.toJSON!==this.toJSON)s=e.toJSON(t);else{s={name:t.name,times:oc(t.times,Array),values:oc(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(s.interpolation=e)}return s.type=t.ValueTypeName,s}InterpolantFactoryMethodDiscrete(t){return new yc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new mc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new pc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodBezier(t){const e=new gc(this.times,this.values,this.getValueSize(),t);return this.settings&&(e.inTangents=this.settings.inTangents,e.outTangents=this.settings.outTangents),e}setInterpolation(t){let e;switch(t){case Ne:e=this.InterpolantFactoryMethodDiscrete;break;case Ve:e=this.InterpolantFactoryMethodLinear;break;case Le:e=this.InterpolantFactoryMethodSmooth;break;case Fe:e=this.InterpolantFactoryMethodBezier}if(void 0===e){const e="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(e);this.setInterpolation(this.DefaultInterpolation)}return ai("KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return Ne;case this.InterpolantFactoryMethodLinear:return Ve;case this.InterpolantFactoryMethodSmooth:return Le;case this.InterpolantFactoryMethodBezier:return Fe}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let s=0,i=e.length;s!==i;++s)e[s]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let s=0,i=e.length;s!==i;++s)e[s]*=t}return this}trim(t,e){const s=this.times,i=s.length;let r=0,n=i-1;for(;r!==i&&s[r]<t;)++r;for(;-1!==n&&s[n]>e;)--n;if(++n,0!==r||n!==i){r>=n&&(n=Math.max(n,1),r=n-1);const t=this.getValueSize();this.times=s.slice(r,n),this.values=this.values.slice(r*t,n*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!==0&&(oi("KeyframeTrack: Invalid value size in track.",this),t=!1);const s=this.times,i=this.values,r=s.length;0===r&&(oi("KeyframeTrack: Track is empty.",this),t=!1);let n=null;for(let e=0;e!==r;e++){const i=s[e];if("number"==typeof i&&isNaN(i)){oi("KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==n&&n>i){oi("KeyframeTrack: Out of order keys.",this,e,i,n),t=!1;break}n=i}if(void 0!==i&&$s(i))for(let e=0,s=i.length;e!==s;++e){const s=i[e];if(isNaN(s)){oi("KeyframeTrack: Value is not a valid number.",this,e,s),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),s=this.getValueSize(),i=this.getInterpolation()===Le,r=t.length-1;let n=1;for(let a=1;a<r;++a){let r=!1;const o=t[a];if(o!==t[a+1]&&(1!==a||o!==t[0]))if(i)r=!0;else{const t=a*s,i=t-s,n=t+s;for(let a=0;a!==s;++a){const s=e[t+a];if(s!==e[i+a]||s!==e[n+a]){r=!0;break}}}if(r){if(a!==n){t[n]=t[a];const i=a*s,r=n*s;for(let t=0;t!==s;++t)e[r+t]=e[i+t]}++n}}if(r>0){t[n]=t[r];for(let t=r*s,i=n*s,a=0;a!==s;++a)e[i+a]=e[t+a];++n}return n!==t.length?(this.times=t.slice(0,n),this.values=e.slice(0,n*s)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),s=new(0,this.constructor)(this.name,t,e);return s.createInterpolant=this.createInterpolant,s}}fc.prototype.ValueTypeName="",fc.prototype.TimeBufferType=Float32Array,fc.prototype.ValueBufferType=Float32Array,fc.prototype.DefaultInterpolation=Ve;class xc extends fc{constructor(t,e,s){super(t,e,s)}}xc.prototype.ValueTypeName="bool",xc.prototype.ValueBufferType=Array,xc.prototype.DefaultInterpolation=Ne,xc.prototype.InterpolantFactoryMethodLinear=void 0,xc.prototype.InterpolantFactoryMethodSmooth=void 0;class bc extends fc{constructor(t,e,s,i){super(t,e,s,i)}}bc.prototype.ValueTypeName="color";class vc extends fc{constructor(t,e,s,i){super(t,e,s,i)}}vc.prototype.ValueTypeName="number";class wc extends dc{constructor(t,e,s,i){super(t,e,s,i)}interpolate_(t,e,s,i){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=(s-e)/(i-e);let h=t*a;for(let t=h+a;h!==t;h+=4)Ai.slerpFlat(r,0,n,h-a,n,h,o);return r}}class Mc extends fc{constructor(t,e,s,i){super(t,e,s,i)}InterpolantFactoryMethodLinear(t){return new wc(this.times,this.values,this.getValueSize(),t)}}Mc.prototype.ValueTypeName="quaternion",Mc.prototype.InterpolantFactoryMethodSmooth=void 0;class Sc extends fc{constructor(t,e,s){super(t,e,s)}}Sc.prototype.ValueTypeName="string",Sc.prototype.ValueBufferType=Array,Sc.prototype.DefaultInterpolation=Ne,Sc.prototype.InterpolantFactoryMethodLinear=void 0,Sc.prototype.InterpolantFactoryMethodSmooth=void 0;class _c extends fc{constructor(t,e,s,i){super(t,e,s,i)}}_c.prototype.ValueTypeName="vector";class Ac{constructor(t="",e=-1,s=[],i=2500){this.name=t,this.tracks=s,this.duration=e,this.blendMode=i,this.uuid=fi(),this.userData={},this.duration<0&&this.resetDuration()}static parse(t){const e=[],s=t.tracks,i=1/(t.fps||1);for(let t=0,r=s.length;t!==r;++t)e.push(Tc(s[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r.userData=JSON.parse(t.userData||"{}"),r}static toJSON(t){const e=[],s=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode,userData:JSON.stringify(t.userData)};for(let t=0,i=s.length;t!==i;++t)e.push(fc.toJSON(s[t]));return i}static CreateFromMorphTargetSequence(t,e,s,i){const r=e.length,n=[];for(let t=0;t<r;t++){let a=[],o=[];a.push((t+r-1)%r,t,(t+1)%r),o.push(0,1,0);const h=hc(a);a=lc(a,1,h),o=lc(o,1,h),i||0!==a[0]||(a.push(r),o.push(o[0])),n.push(new vc(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/s))}return new this(t,-1,n)}static findByName(t,e){let s=t;if(!Array.isArray(t)){const e=t;s=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<s.length;t++)if(s[t].name===e)return s[t];return null}static CreateClipsFromMorphTargetSequences(t,e,s){const i={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,s=t.length;e<s;e++){const s=t[e],n=s.name.match(r);if(n&&n.length>1){const t=n[1];let e=i[t];e||(i[t]=e=[]),e.push(s)}}const n=[];for(const t in i)n.push(this.CreateFromMorphTargetSequence(t,i[t],e,s));return n}resetDuration(){let t=0;for(let e=0,s=this.tracks.length;e!==s;++e){const s=this.tracks[e];t=Math.max(t,s.times[s.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].trim(0,this.duration);return this}validate(){let t=!0;for(let e=0;e<this.tracks.length;e++)t=t&&this.tracks[e].validate();return t}optimize(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].optimize();return this}clone(){const t=[];for(let e=0;e<this.tracks.length;e++)t.push(this.tracks[e].clone());const e=new this.constructor(this.name,this.duration,t,this.blendMode);return e.userData=JSON.parse(JSON.stringify(this.userData)),e}toJSON(){return this.constructor.toJSON(this)}}function Tc(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return vc;case"vector":case"vector2":case"vector3":case"vector4":return _c;case"color":return bc;case"quaternion":return Mc;case"bool":case"boolean":return xc;case"string":return Sc}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],s=[];cc(t.keys,e,s,"value"),t.times=e,t.values=s}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const zc={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(Cc(t)||(this.files[t]=e))},get:function(t){if(!1!==this.enabled&&!Cc(t))return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};function Cc(t){try{const e=t.slice(t.indexOf(":")+1);return"blob:"===new URL(e).protocol}catch(t){return!1}}class Ic{constructor(t,e,s){const i=this;let r,n=!1,a=0,o=0;const h=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=s,this._abortController=null,this.itemStart=function(t){o++,!1===n&&void 0!==i.onStart&&i.onStart(t,a,o),n=!0},this.itemEnd=function(t){a++,void 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__THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}load(){}loadAsync(t,e){const s=this;return new Promise(function(i,r){s.load(t,i,e,r)})}parse(){}setCrossOrigin(t){return this.crossOrigin=t,this}setWithCredentials(t){return this.withCredentials=t,this}setPath(t){return this.path=t,this}setResourcePath(t){return this.resourcePath=t,this}setRequestHeader(t){return this.requestHeader=t,this}abort(){return this}}kc.DEFAULT_MATERIAL_NAME="__DEFAULT";const Oc={};class Pc extends Error{constructor(t,e){super(t),this.response=e}}class Rc extends kc{constructor(t){super(t),this.mimeType="",this.responseType="",this._abortController=new AbortController}load(t,e,s,i){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=zc.get(`file:${t}`);if(void 0!==r)return this.manager.itemStart(t),void setTimeout(()=>{e&&e(r),this.manager.itemEnd(t)},0);if(void 0!==Oc[t])return void 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this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}class Ec extends kc{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new Rc(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(s){try{e(r.parse(JSON.parse(s)))}catch(e){i?i(e):oi(e),r.manager.itemError(t)}},s,i)}parse(t){const e=[];for(let s=0;s<t.length;s++){const i=Ac.parse(t[s]);e.push(i)}return e}}class Nc extends kc{constructor(t){super(t)}load(t,e,s,i){const r=this,n=[],a=new ah,o=new Rc(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(r.withCredentials);let h=0;function l(l){o.load(t[l],function(t){const s=r.parse(t,!0);n[l]={width:s.width,height:s.height,format:s.format,mipmaps:s.mipmaps},h+=1,6===h&&(1===s.mipmapCount&&(a.minFilter=Mt),a.image=n,a.format=s.format,a.needsUpdate=!0,e&&e(a))},s,i)}if(Array.isArray(t))for(let e=0,s=t.length;e<s;++e)l(e);else o.load(t,function(t){const s=r.parse(t,!0);if(s.isCubemap){const t=s.mipmaps.length/s.mipmapCount;for(let e=0;e<t;e++){n[e]={mipmaps:[]};for(let t=0;t<s.mipmapCount;t++)n[e].mipmaps.push(s.mipmaps[e*s.mipmapCount+t]),n[e].format=s.format,n[e].width=s.width,n[e].height=s.height}a.image=n}else a.image.width=s.width,a.image.height=s.height,a.mipmaps=s.mipmaps;1===s.mipmapCount&&(a.minFilter=Mt),a.format=s.format,a.needsUpdate=!0,e&&e(a)},s,i);return a}}const Vc=new WeakMap;class Lc extends kc{constructor(t){super(t)}load(t,e,s,i){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,n=zc.get(`image:${t}`);if(void 0!==n){if(!0===n.complete)r.manager.itemStart(t),setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0);else{let t=Vc.get(n);void 0===t&&(t=[],Vc.set(n,t)),t.push({onLoad:e,onError:i})}return n}const a=Qs("img");function o(){l(),e&&e(this);const s=Vc.get(this)||[];for(let t=0;t<s.length;t++){const e=s[t];e.onLoad&&e.onLoad(this)}Vc.delete(this),r.manager.itemEnd(t)}function h(e){l(),i&&i(e),zc.remove(`image:${t}`);const s=Vc.get(this)||[];for(let t=0;t<s.length;t++){const i=s[t];i.onError&&i.onError(e)}Vc.delete(this),r.manager.itemError(t),r.manager.itemEnd(t)}function l(){a.removeEventListener("load",o,!1),a.removeEventListener("error",h,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",h,!1),"data:"!==t.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),zc.add(`image:${t}`,a),r.manager.itemStart(t),a.src=t,a}}class Fc extends kc{constructor(t){super(t)}load(t,e,s,i){const r=new lh;r.colorSpace=es;const n=new Lc(this.manager);n.setCrossOrigin(this.crossOrigin),n.setPath(this.path);let a=0;function o(s){n.load(t[s],function(t){r.images[s]=t,a++,6===a&&(r.needsUpdate=!0,e&&e(r))},void 0,i)}for(let e=0;e<t.length;++e)o(e);return r}}class Dc extends kc{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new Xa,a=new Rc(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(t,function(t){let s;try{s=r.parse(t)}catch(t){return void(void 0!==i?i(t):oi(t))}r._applyTexData(n,s),e&&e(n,s)},s,i),n}createDataTexture(t){const e=new Xa;return this._applyTexData(e,this.parse(t)),e}_applyTexData(t,e){void 0!==e.image?t.image=e.image:void 0!==e.data&&(t.image.width=e.width,t.image.height=e.height,t.image.data=e.data),t.wrapS=void 0!==e.wrapS?e.wrapS:yt,t.wrapT=void 0!==e.wrapT?e.wrapT:yt,t.magFilter=void 0!==e.magFilter?e.magFilter:Mt,t.minFilter=void 0!==e.minFilter?e.minFilter:Mt,t.anisotropy=void 0!==e.anisotropy?e.anisotropy:1,void 0!==e.colorSpace&&(t.colorSpace=e.colorSpace),void 0!==e.flipY&&(t.flipY=e.flipY),void 0!==e.format&&(t.format=e.format),void 0!==e.type&&(t.type=e.type),void 0!==e.mipmaps&&(t.mipmaps=e.mipmaps,t.minFilter=At),1===e.mipmapCount&&(t.minFilter=Mt),void 0!==e.generateMipmaps&&(t.generateMipmaps=e.generateMipmaps),t.needsUpdate=!0}}class Uc extends kc{constructor(t){super(t)}load(t,e,s,i){const r=new Ji,n=new Lc(this.manager);return n.setCrossOrigin(this.crossOrigin),n.setPath(this.path),n.load(t,function(t){r.image=t,r.needsUpdate=!0,void 0!==e&&e(r)},s,i),r}}class jc extends Ar{constructor(t,e=1){super(),this.isLight=!0,this.type="Light",this.color=new Pr(t),this.intensity=e}dispose(){this.dispatchEvent({type:"dispose"})}copy(t,e){return super.copy(t,e),this.color.copy(t.color),this.intensity=t.intensity,this}toJSON(t){const e=super.toJSON(t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,e}}class Wc extends jc{constructor(t,e,s){super(t,s),this.isHemisphereLight=!0,this.type="HemisphereLight",this.position.copy(Ar.DEFAULT_UP),this.updateMatrix(),this.groundColor=new Pr(e)}copy(t,e){return super.copy(t,e),this.groundColor.copy(t.groundColor),this}toJSON(t){const e=super.toJSON(t);return e.object.groundColor=this.groundColor.getHex(),e}}const Jc=new Qi,qc=new Ti,Hc=new Ti;class Xc{constructor(t){this.camera=t,this.intensity=1,this.bias=0,this.biasNode=null,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new _i(512,512),this.mapType=zt,this.map=null,this.mapPass=null,this.matrix=new Qi,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new mo,this._frameExtents=new _i(1,1),this._viewportCount=1,this._viewports=[new qi(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,s=this.matrix;qc.setFromMatrixPosition(t.matrixWorld),e.position.copy(qc),Hc.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(Hc),e.updateMatrixWorld(),Jc.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Jc,e.coordinateSystem,e.reversedDepth),e.coordinateSystem===Js||e.reversedDepth?s.set(.5,0,0,.5,0,.5,0,.5,0,0,1,0,0,0,0,1):s.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),s.multiply(Jc)}getViewport(t){return this._viewports[t]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(t){return this.camera=t.camera.clone(),this.intensity=t.intensity,this.bias=t.bias,this.radius=t.radius,this.autoUpdate=t.autoUpdate,this.needsUpdate=t.needsUpdate,this.normalBias=t.normalBias,this.blurSamples=t.blurSamples,this.mapSize.copy(t.mapSize),this.biasNode=t.biasNode,this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 1!==this.intensity&&(t.intensity=this.intensity),0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}const Yc=new Ti,Zc=new Ai,Gc=new Ti;class $c extends Ar{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Qi,this.projectionMatrix=new Qi,this.projectionMatrixInverse=new Qi,this.coordinateSystem=Ws,this._reversedDepth=!1}get reversedDepth(){return this._reversedDepth}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorld.decompose(Yc,Zc,Gc),1===Gc.x&&1===Gc.y&&1===Gc.z?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Yc,Zc,Gc.set(1,1,1)).invert()}updateWorldMatrix(t,e,s=!1){super.updateWorldMatrix(t,e,s),this.matrixWorld.decompose(Yc,Zc,Gc),1===Gc.x&&1===Gc.y&&1===Gc.z?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Yc,Zc,Gc.set(1,1,1)).invert()}clone(){return(new this.constructor).copy(this)}}const Qc=new Ti,Kc=new _i,tu=new _i;class eu extends $c{constructor(t=50,e=1,s=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=s,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*gi*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*yi*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*gi*Math.atan(Math.tan(.5*yi*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,s){Qc.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Qc.x,Qc.y).multiplyScalar(-t/Qc.z),Qc.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),s.set(Qc.x,Qc.y).multiplyScalar(-t/Qc.z)}getViewSize(t,e){return this.getViewBounds(t,Kc,tu),e.subVectors(tu,Kc)}setViewOffset(t,e,s,i,r,n){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=s,this.view.offsetY=i,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*yi*this.fov)/this.zoom,s=2*e,i=this.aspect*s,r=-.5*i;const n=this.view;if(null!==this.view&&this.view.enabled){const t=n.fullWidth,a=n.fullHeight;r+=n.offsetX*i/t,e-=n.offsetY*s/a,i*=n.width/t,s*=n.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-s,t,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}class su extends Xc{constructor(){super(new eu(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1,this.aspect=1}updateMatrices(t){const e=this.camera,s=2*gi*t.angle*this.focus,i=this.mapSize.width/this.mapSize.height*this.aspect,r=t.distance||e.far;s===e.fov&&i===e.aspect&&r===e.far||(e.fov=s,e.aspect=i,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}copy(t){return super.copy(t),this.focus=t.focus,this}}class iu extends jc{constructor(t,e,s=0,i=Math.PI/3,r=0,n=2){super(t,e),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(Ar.DEFAULT_UP),this.updateMatrix(),this.target=new Ar,this.distance=s,this.angle=i,this.penumbra=r,this.decay=n,this.map=null,this.shadow=new su}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}dispose(){super.dispose(),this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.map=t.map,this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.distance=this.distance,e.object.angle=this.angle,e.object.decay=this.decay,e.object.penumbra=this.penumbra,e.object.target=this.target.uuid,this.map&&this.map.isTexture&&(e.object.map=this.map.toJSON(t).uuid),e.object.shadow=this.shadow.toJSON(),e}}class ru extends Xc{constructor(){super(new eu(90,1,.5,500)),this.isPointLightShadow=!0}}class nu extends jc{constructor(t,e,s=0,i=2){super(t,e),this.isPointLight=!0,this.type="PointLight",this.distance=s,this.decay=i,this.shadow=new ru}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}dispose(){super.dispose(),this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.distance=this.distance,e.object.decay=this.decay,e.object.shadow=this.shadow.toJSON(),e}}class au extends $c{constructor(t=-1,e=1,s=1,i=-1,r=.1,n=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=s,this.bottom=i,this.near=r,this.far=n,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,s,i,r,n){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=s,this.view.offsetY=i,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),s=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=s-t,n=s+t,a=i+e,o=i-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,n=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,n,a,o,this.near,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}class ou extends Xc{constructor(){super(new au(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class hu extends jc{constructor(t,e){super(t,e),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(Ar.DEFAULT_UP),this.updateMatrix(),this.target=new Ar,this.shadow=new ou}dispose(){super.dispose(),this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.shadow=this.shadow.toJSON(),e.object.target=this.target.uuid,e}}class lu extends jc{constructor(t,e){super(t,e),this.isAmbientLight=!0,this.type="AmbientLight"}}class cu extends jc{constructor(t,e,s=10,i=10){super(t,e),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=s,this.height=i}get power(){return this.intensity*this.width*this.height*Math.PI}set power(t){this.intensity=t/(this.width*this.height*Math.PI)}copy(t){return super.copy(t),this.width=t.width,this.height=t.height,this}toJSON(t){const e=super.toJSON(t);return e.object.width=this.width,e.object.height=this.height,e}}class uu{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new Ti)}set(t){for(let e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this}zero(){for(let t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this}getAt(t,e){const s=t.x,i=t.y,r=t.z,n=this.coefficients;return e.copy(n[0]).multiplyScalar(.282095),e.addScaledVector(n[1],.488603*i),e.addScaledVector(n[2],.488603*r),e.addScaledVector(n[3],.488603*s),e.addScaledVector(n[4],s*i*1.092548),e.addScaledVector(n[5],i*r*1.092548),e.addScaledVector(n[6],.315392*(3*r*r-1)),e.addScaledVector(n[7],s*r*1.092548),e.addScaledVector(n[8],.546274*(s*s-i*i)),e}getIrradianceAt(t,e){const s=t.x,i=t.y,r=t.z,n=this.coefficients;return e.copy(n[0]).multiplyScalar(.886227),e.addScaledVector(n[1],1.023328*i),e.addScaledVector(n[2],1.023328*r),e.addScaledVector(n[3],1.023328*s),e.addScaledVector(n[4],.858086*s*i),e.addScaledVector(n[5],.858086*i*r),e.addScaledVector(n[6],.743125*r*r-.247708),e.addScaledVector(n[7],.858086*s*r),e.addScaledVector(n[8],.429043*(s*s-i*i)),e}add(t){for(let e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this}addScaledSH(t,e){for(let s=0;s<9;s++)this.coefficients[s].addScaledVector(t.coefficients[s],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let s=0;s<9;s++)this.coefficients[s].lerp(t.coefficients[s],e);return this}equals(t){for(let e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0}copy(t){return this.set(t.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(t,e=0){const s=this.coefficients;for(let i=0;i<9;i++)s[i].fromArray(t,e+3*i);return this}toArray(t=[],e=0){const s=this.coefficients;for(let i=0;i<9;i++)s[i].toArray(t,e+3*i);return t}static getBasisAt(t,e){const s=t.x,i=t.y,r=t.z;e[0]=.282095,e[1]=.488603*i,e[2]=.488603*r,e[3]=.488603*s,e[4]=1.092548*s*i,e[5]=1.092548*i*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*s*r,e[8]=.546274*(s*s-i*i)}}class du extends jc{constructor(t=new uu,e=1){super(void 0,e),this.isLightProbe=!0,this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}const pu={};class mu extends kc{constructor(t){super(t),this.textures={}}load(t,e,s,i){const r=this,n=new Rc(r.manager);n.setPath(r.path),n.setRequestHeader(r.requestHeader),n.setWithCredentials(r.withCredentials),n.load(t,function(s){try{e(r.parse(JSON.parse(s)))}catch(e){i?i(e):oi(e),r.manager.itemError(t)}},s,i)}parse(t){const e=this.createMaterialFromType(t.type);return e.fromJSON(t,this.textures),e}setTextures(t){return this.textures=t,this}createMaterialFromType(t){return mu.createMaterialFromType(t)}static createMaterialFromType(t){const e={ShadowMaterial:Wl,SpriteMaterial:Gn,RawShaderMaterial:Gl,ShaderMaterial:Zl,PointsMaterial:Go,MeshPhysicalMaterial:Ql,MeshStandardMaterial:$l,MeshPhongMaterial:Kl,MeshToonMaterial:tc,MeshNormalMaterial:ec,MeshLambertMaterial:sc,MeshDepthMaterial:ic,MeshDistanceMaterial:rc,MeshBasicMaterial:Ma,MeshMatcapMaterial:nc,LineDashedMaterial:ac,LineBasicMaterial:No,Material:Zn,...pu}[t];let s;return void 0===e?(hi(`MaterialLoader: Unknown material type "${t}". Use .registerMaterial() before starting the deserialization process.`),s=new Zn):s=new e,s}static registerMaterial(t,e){pu[t]=e}}class yu{static extractUrlBase(t){const e=t.lastIndexOf("/");return-1===e?"./":t.slice(0,e+1)}static resolveURL(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}}class gu extends Wn{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(t){return super.copy(t),this.instanceCount=t.instanceCount,this}toJSON(){const t=super.toJSON();return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}class fu extends kc{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new Rc(r.manager);n.setPath(r.path),n.setRequestHeader(r.requestHeader),n.setWithCredentials(r.withCredentials),n.load(t,function(s){try{e(r.parse(JSON.parse(s)))}catch(e){i?i(e):oi(e),r.manager.itemError(t)}},s,i)}parse(t){const e={},s={};function i(t,i){if(void 0!==e[i])return e[i];const r=t.interleavedBuffers[i],n=function(t,e){if(void 0!==s[e])return s[e];const i=t.arrayBuffers,r=i[e],n=new Uint32Array(r).buffer;return s[e]=n,n}(t,r.buffer),a=Gs(r.type,n),o=new Jn(a,r.stride);return o.uuid=r.uuid,e[i]=o,o}const r=t.isInstancedBufferGeometry?new gu:new Wn,n=t.data.index;if(void 0!==n){const t=Gs(n.type,n.array);r.setIndex(new Mn(t,1))}const a=t.data.attributes;for(const e in a){const s=a[e];let n;if(s.isInterleavedBufferAttribute){const e=i(t.data,s.data);n=new Hn(e,s.itemSize,s.offset,s.normalized)}else{const t=Gs(s.type,s.array);n=new(s.isInstancedBufferAttribute?$a:Mn)(t,s.itemSize,s.normalized)}void 0!==s.name&&(n.name=s.name),void 0!==s.usage&&n.setUsage(s.usage),r.setAttribute(e,n)}const o=t.data.morphAttributes;if(o)for(const e in o){const s=o[e],n=[];for(let e=0,r=s.length;e<r;e++){const r=s[e];let a;if(r.isInterleavedBufferAttribute){const e=i(t.data,r.data);a=new Hn(e,r.itemSize,r.offset,r.normalized)}else{const t=Gs(r.type,r.array);a=new Mn(t,r.itemSize,r.normalized)}void 0!==r.name&&(a.name=r.name),n.push(a)}r.morphAttributes[e]=n}t.data.morphTargetsRelative&&(r.morphTargetsRelative=!0);const h=t.data.groups||t.data.drawcalls||t.data.offsets;if(void 0!==h)for(let t=0,e=h.length;t!==e;++t){const e=h[t];r.addGroup(e.start,e.count,e.materialIndex)}const l=t.data.boundingSphere;return void 0!==l&&(r.boundingSphere=(new En).fromJSON(l)),t.name&&(r.name=t.name),t.userData&&(r.userData=t.userData),r}}const xu={};class bu extends kc{constructor(t){super(t)}load(t,e,s,i){const r=this,n=""===this.path?yu.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||n;const a=new Rc(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(t,function(s){let n=null;try{n=JSON.parse(s)}catch(e){return void 0!==i&&i(e),void oi("ObjectLoader: Can't parse "+t+".",e.message)}const a=n.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())return void 0!==i&&i(new Error("THREE.ObjectLoader: Can't load "+t)),void oi("ObjectLoader: Can't load "+t);r.parse(n,e)},s,i)}async loadAsync(t,e){const s=""===this.path?yu.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||s;const i=new Rc(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials);const r=await i.loadAsync(t,e);let n;try{n=JSON.parse(r)}catch(e){throw new Error("THREE.ObjectLoader: Can't parse "+t+". "+e.message)}const a=n.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())throw new Error("THREE.ObjectLoader: Can't load "+t);return await this.parseAsync(n)}parse(t,e){const s=this.parseAnimations(t.animations),i=this.parseShapes(t.shapes),r=this.parseGeometries(t.geometries,i),n=this.parseImages(t.images,function(){void 0!==e&&e(h)}),a=this.parseTextures(t.textures,n),o=this.parseMaterials(t.materials,a),h=this.parseObject(t.object,r,o,a,s),l=this.parseSkeletons(t.skeletons,h);if(this.bindSkeletons(h,l),this.bindLightTargets(h),void 0!==e){let t=!1;for(const e in n)if(n[e].data instanceof HTMLImageElement){t=!0;break}!1===t&&e(h)}return h}async parseAsync(t){const e=this.parseAnimations(t.animations),s=this.parseShapes(t.shapes),i=this.parseGeometries(t.geometries,s),r=await this.parseImagesAsync(t.images),n=this.parseTextures(t.textures,r),a=this.parseMaterials(t.materials,n),o=this.parseObject(t.object,i,a,n,e),h=this.parseSkeletons(t.skeletons,o);return this.bindSkeletons(o,h),this.bindLightTargets(o),o}static registerGeometry(t,e){xu[t]=e}parseShapes(t){const e={};if(void 0!==t)for(let s=0,i=t.length;s<i;s++){const i=(new Gh).fromJSON(t[s]);e[i.uuid]=i}return e}parseSkeletons(t,e){const s={},i={};if(e.traverse(function(t){t.isBone&&(i[t.uuid]=t)}),void 0!==t)for(let e=0,r=t.length;e<r;e++){const r=(new Ga).fromJSON(t[e],i);s[r.uuid]=r}return s}parseGeometries(t,e){const s={};if(void 0!==t){const i=new fu;for(let r=0,n=t.length;r<n;r++){let n;const a=t[r];switch(a.type){case"BufferGeometry":case"InstancedBufferGeometry":n=i.parse(a);break;default:a.type in jl?n=jl[a.type].fromJSON(a,e):a.type in xu?n=xu[a.type].fromJSON(a,e):ai(`ObjectLoader: Unknown geometry type "${a.type}". Use .registerGeometry() before starting the deserialization process.`)}n.uuid=a.uuid,void 0!==a.name&&(n.name=a.name),void 0!==a.userData&&(n.userData=a.userData),s[a.uuid]=n}}return s}parseMaterials(t,e){const s={},i={};if(void 0!==t){const r=new mu;r.setTextures(e);for(let e=0,n=t.length;e<n;e++){const n=t[e];void 0===s[n.uuid]&&(s[n.uuid]=r.parse(n)),i[n.uuid]=s[n.uuid]}}return i}parseAnimations(t){const e={};if(void 0!==t)for(let s=0;s<t.length;s++){const i=t[s],r=Ac.parse(i);e[r.uuid]=r}return e}parseImages(t,e){const s=this,i={};let r;function n(t){if("string"==typeof t){const e=t;return function(t){return t=s.manager.resolveURL(t),s.manager.itemStart(t),r.load(t,function(){s.manager.itemEnd(t)},void 0,function(){s.manager.itemError(t),s.manager.itemEnd(t)})}(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:s.resourcePath+e)}return t.data?{data:Gs(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){const s=new Ic(e);r=new Lc(s),r.setCrossOrigin(this.crossOrigin);for(let e=0,s=t.length;e<s;e++){const s=t[e],r=s.url;if(Array.isArray(r)){const t=[];for(let e=0,s=r.length;e<s;e++){const s=n(r[e]);null!==s&&(s instanceof HTMLImageElement?t.push(s):t.push(new Xa(s.data,s.width,s.height)))}i[s.uuid]=new Di(t)}else{const t=n(s.url);i[s.uuid]=new Di(t)}}}return i}async parseImagesAsync(t){const e=this,s={};let i;async function r(t){if("string"==typeof t){const s=t,r=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(s)?s:e.resourcePath+s;return await i.loadAsync(r)}return t.data?{data:Gs(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){i=new Lc(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e<i;e++){const i=t[e],n=i.url;if(Array.isArray(n)){const t=[];for(let e=0,s=n.length;e<s;e++){const s=n[e],i=await r(s);null!==i&&(i instanceof HTMLImageElement?t.push(i):t.push(new Xa(i.data,i.width,i.height)))}s[i.uuid]=new Di(t)}else{const t=await r(i.url);s[i.uuid]=new Di(t)}}}return s}parseTextures(t,e){function s(t,e){return"number"==typeof t?t:(ai("ObjectLoader.parseTexture: Constant should be in numeric form.",t),e[t])}const i={};if(void 0!==t)for(let r=0,n=t.length;r<n;r++){const n=t[r];void 0===n.image&&ai('ObjectLoader: No "image" specified for',n.uuid),void 0===e[n.image]&&ai("ObjectLoader: Undefined image",n.image);const a=e[n.image],o=a.data;let h;Array.isArray(o)?(h=new lh,6===o.length&&(h.needsUpdate=!0)):(h=o&&o.data?new Xa:new Ji,o&&(h.needsUpdate=!0)),h.source=a,h.uuid=n.uuid,void 0!==n.name&&(h.name=n.name),void 0!==n.mapping&&(h.mapping=s(n.mapping,vu)),void 0!==n.channel&&(h.channel=n.channel),void 0!==n.offset&&h.offset.fromArray(n.offset),void 0!==n.repeat&&h.repeat.fromArray(n.repeat),void 0!==n.center&&h.center.fromArray(n.center),void 0!==n.rotation&&(h.rotation=n.rotation),void 0!==n.wrap&&(h.wrapS=s(n.wrap[0],wu),h.wrapT=s(n.wrap[1],wu)),void 0!==n.format&&(h.format=n.format),void 0!==n.internalFormat&&(h.internalFormat=n.internalFormat),void 0!==n.type&&(h.type=n.type),void 0!==n.colorSpace&&(h.colorSpace=n.colorSpace),void 0!==n.minFilter&&(h.minFilter=s(n.minFilter,Mu)),void 0!==n.magFilter&&(h.magFilter=s(n.magFilter,Mu)),void 0!==n.anisotropy&&(h.anisotropy=n.anisotropy),void 0!==n.flipY&&(h.flipY=n.flipY),void 0!==n.generateMipmaps&&(h.generateMipmaps=n.generateMipmaps),void 0!==n.premultiplyAlpha&&(h.premultiplyAlpha=n.premultiplyAlpha),void 0!==n.unpackAlignment&&(h.unpackAlignment=n.unpackAlignment),void 0!==n.compareFunction&&(h.compareFunction=n.compareFunction),void 0!==n.normalized&&(h.normalized=n.normalized),void 0!==n.userData&&(h.userData=n.userData),i[n.uuid]=h}return i}parseObject(t,e,s,i,r){let n,a,o;function h(t){return void 0===e[t]&&ai("ObjectLoader: Undefined geometry",t),e[t]}function l(t){if(void 0!==t){if(Array.isArray(t)){const e=[];for(let i=0,r=t.length;i<r;i++){const r=t[i];void 0===s[r]&&ai("ObjectLoader: Undefined material",r),e.push(s[r])}return e}return void 0===s[t]&&ai("ObjectLoader: Undefined material",t),s[t]}}function c(t){return void 0===i[t]&&ai("ObjectLoader: Undefined texture",t),i[t]}switch(t.type){case"Scene":n=new Vr,void 0!==t.background&&(Number.isInteger(t.background)?n.background=new Pr(t.background):n.background=c(t.background)),void 0!==t.environment&&(n.environment=c(t.environment)),void 0!==t.fog&&("Fog"===t.fog.type?n.fog=new Nr(t.fog.color,t.fog.near,t.fog.far):"FogExp2"===t.fog.type&&(n.fog=new Er(t.fog.color,t.fog.density)),""!==t.fog.name&&(n.fog.name=t.fog.name)),void 0!==t.backgroundBlurriness&&(n.backgroundBlurriness=t.backgroundBlurriness),void 0!==t.backgroundIntensity&&(n.backgroundIntensity=t.backgroundIntensity),void 0!==t.backgroundRotation&&n.backgroundRotation.fromArray(t.backgroundRotation),void 0!==t.environmentIntensity&&(n.environmentIntensity=t.environmentIntensity),void 0!==t.environmentRotation&&n.environmentRotation.fromArray(t.environmentRotation);break;case"PerspectiveCamera":n=new eu(t.fov,t.aspect,t.near,t.far),void 0!==t.focus&&(n.focus=t.focus),void 0!==t.zoom&&(n.zoom=t.zoom),void 0!==t.filmGauge&&(n.filmGauge=t.filmGauge),void 0!==t.filmOffset&&(n.filmOffset=t.filmOffset),void 0!==t.view&&(n.view=Object.assign({},t.view));break;case"OrthographicCamera":n=new au(t.left,t.right,t.top,t.bottom,t.near,t.far),void 0!==t.zoom&&(n.zoom=t.zoom),void 0!==t.view&&(n.view=Object.assign({},t.view));break;case"AmbientLight":n=new lu(t.color,t.intensity);break;case"DirectionalLight":n=new hu(t.color,t.intensity),n.target=t.target||"";break;case"PointLight":n=new nu(t.color,t.intensity,t.distance,t.decay);break;case"RectAreaLight":n=new cu(t.color,t.intensity,t.width,t.height);break;case"SpotLight":n=new iu(t.color,t.intensity,t.distance,t.angle,t.penumbra,t.decay),n.target=t.target||"";break;case"HemisphereLight":n=new Wc(t.color,t.groundColor,t.intensity);break;case"LightProbe":const e=(new uu).fromArray(t.sh);n=new du(e,t.intensity);break;case"SkinnedMesh":a=h(t.geometry),o=l(t.material),n=new qa(a,o),void 0!==t.bindMode&&(n.bindMode=t.bindMode),void 0!==t.bindMatrix&&n.bindMatrix.fromArray(t.bindMatrix),void 0!==t.skeleton&&(n.skeleton=t.skeleton);break;case"Mesh":a=h(t.geometry),o=l(t.material),n=new Ra(a,o);break;case"InstancedMesh":a=h(t.geometry),o=l(t.material);const s=t.count,i=t.instanceMatrix,r=t.instanceColor;n=new no(a,o,s),n.instanceMatrix=new $a(new Float32Array(i.array),16),void 0!==r&&(n.instanceColor=new $a(new Float32Array(r.array),r.itemSize));break;case"BatchedMesh":a=h(t.geometry),o=l(t.material),n=new Eo(t.maxInstanceCount,t.maxVertexCount,t.maxIndexCount,o),n.geometry=a,n.perObjectFrustumCulled=t.perObjectFrustumCulled,n.sortObjects=t.sortObjects,n._drawRanges=t.drawRanges,n._reservedRanges=t.reservedRanges,n._geometryInfo=t.geometryInfo.map(t=>{let e=null,s=null;return void 0!==t.boundingBox&&(e=(new Qr).fromJSON(t.boundingBox)),void 0!==t.boundingSphere&&(s=(new En).fromJSON(t.boundingSphere)),{...t,boundingBox:e,boundingSphere:s}}),n._instanceInfo=t.instanceInfo,n._availableInstanceIds=t._availableInstanceIds,n._availableGeometryIds=t._availableGeometryIds,n._nextIndexStart=t.nextIndexStart,n._nextVertexStart=t.nextVertexStart,n._geometryCount=t.geometryCount,n._maxInstanceCount=t.maxInstanceCount,n._maxVertexCount=t.maxVertexCount,n._maxIndexCount=t.maxIndexCount,n._geometryInitialized=t.geometryInitialized,n._matricesTexture=c(t.matricesTexture.uuid),n._indirectTexture=c(t.indirectTexture.uuid),void 0!==t.colorsTexture&&(n._colorsTexture=c(t.colorsTexture.uuid)),void 0!==t.boundingSphere&&(n.boundingSphere=(new En).fromJSON(t.boundingSphere)),void 0!==t.boundingBox&&(n.boundingBox=(new Qr).fromJSON(t.boundingBox));break;case"LOD":n=new pa;break;case"Line":n=new Jo(h(t.geometry),l(t.material));break;case"LineLoop":n=new Zo(h(t.geometry),l(t.material));break;case"LineSegments":n=new Yo(h(t.geometry),l(t.material));break;case"PointCloud":case"Points":n=new eh(h(t.geometry),l(t.material));break;case"Sprite":n=new la(l(t.material));break;case"Group":n=new Tr;break;case"Bone":n=new Ha;break;default:n=new Ar}if(n.uuid=t.uuid,void 0!==t.name&&(n.name=t.name),void 0!==t.matrix?(n.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(n.matrixAutoUpdate=t.matrixAutoUpdate),n.matrixAutoUpdate&&n.matrix.decompose(n.position,n.quaternion,n.scale)):(void 0!==t.position&&n.position.fromArray(t.position),void 0!==t.rotation&&n.rotation.fromArray(t.rotation),void 0!==t.quaternion&&n.quaternion.fromArray(t.quaternion),void 0!==t.scale&&n.scale.fromArray(t.scale)),void 0!==t.up&&n.up.fromArray(t.up),void 0!==t.pivot&&(n.pivot=(new Ti).fromArray(t.pivot)),void 0!==t.morphTargetDictionary&&(n.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),void 0!==t.morphTargetInfluences&&(n.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.castShadow&&(n.castShadow=t.castShadow),void 0!==t.receiveShadow&&(n.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(n.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(n.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(n.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(n.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&n.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(n.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(n.visible=t.visible),void 0!==t.frustumCulled&&(n.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(n.renderOrder=t.renderOrder),void 0!==t.static&&(n.static=t.static),void 0!==t.userData&&(n.userData=t.userData),void 0!==t.layers&&(n.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t<a.length;t++)n.add(this.parseObject(a[t],e,s,i,r))}if(void 0!==t.animations){const e=t.animations;for(let t=0;t<e.length;t++){const s=e[t];n.animations.push(r[s])}}if("LOD"===t.type){void 0!==t.autoUpdate&&(n.autoUpdate=t.autoUpdate);const e=t.levels;for(let t=0;t<e.length;t++){const s=e[t],i=n.getObjectByProperty("uuid",s.object);void 0!==i&&n.addLevel(i,s.distance,s.hysteresis)}}return n}bindSkeletons(t,e){0!==Object.keys(e).length&&t.traverse(function(t){if(!0===t.isSkinnedMesh&&void 0!==t.skeleton){const s=e[t.skeleton];void 0===s?ai("ObjectLoader: No skeleton found with UUID:",t.skeleton):t.bind(s,t.bindMatrix)}})}bindLightTargets(t){t.traverse(function(e){if(e.isDirectionalLight||e.isSpotLight){const s=e.target,i=t.getObjectByProperty("uuid",s);e.target=void 0!==i?i:new Ar}})}}const vu={UVMapping:ht,CubeReflectionMapping:lt,CubeRefractionMapping:302,EquirectangularReflectionMapping:303,EquirectangularRefractionMapping:304,CubeUVReflectionMapping:306},wu={RepeatWrapping:mt,ClampToEdgeWrapping:yt,MirroredRepeatWrapping:gt},Mu={NearestFilter:ft,NearestMipmapNearestFilter:1004,NearestMipmapLinearFilter:1005,LinearFilter:Mt,LinearMipmapNearestFilter:1007,LinearMipmapLinearFilter:At},Su=new WeakMap;class _u extends kc{constructor(t){super(t),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&ai("ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&ai("ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"},this._abortController=new AbortController}setOptions(t){return this.options=t,this}load(t,e,s,i){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,n=zc.get(`image-bitmap:${t}`);if(void 0!==n)return r.manager.itemStart(t),n.then?void n.then(s=>{!0===Su.has(n)?(i&&i(Su.get(n)),r.manager.itemError(t),r.manager.itemEnd(t)):(e&&e(s),r.manager.itemEnd(t))}):void setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,a.signal="function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;const o=fetch(t,a).then(function(t){return t.blob()}).then(function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))}).then(function(s){zc.add(`image-bitmap:${t}`,s),e&&e(s),r.manager.itemEnd(t)}).catch(function(e){i&&i(e),Su.set(o,e),zc.remove(`image-bitmap:${t}`),r.manager.itemError(t),r.manager.itemEnd(t)});zc.add(`image-bitmap:${t}`,o),r.manager.itemStart(t)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}let Au;class Tu{static getContext(){return void 0===Au&&(Au=new(window.AudioContext||window.webkitAudioContext)),Au}static setContext(t){Au=t}}class zu extends kc{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new Rc(this.manager);function a(e){i?i(e):oi(e),r.manager.itemError(t)}n.setResponseType("arraybuffer"),n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(s){try{const i=s.slice(0),n=Tu.getContext(),o=t+"#decode";r.manager.itemStart(o),n.decodeAudioData(i,function(t){e(t),r.manager.itemEnd(o)}).catch(function(t){a(t),r.manager.itemEnd(o)})}catch(t){a(t)}},s,i)}}const Cu=new Qi,Iu=new Qi,Bu=new Qi;class ku{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new eu,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new eu,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,Bu.copy(t.projectionMatrix);const s=e.eyeSep/2,i=s*e.near/e.focus,r=e.near*Math.tan(yi*e.fov*.5)/e.zoom;let n,a;Iu.elements[12]=-s,Cu.elements[12]=s,n=-r*e.aspect+i,a=r*e.aspect+i,Bu.elements[0]=2*e.near/(a-n),Bu.elements[8]=(a+n)/(a-n),this.cameraL.projectionMatrix.copy(Bu),n=-r*e.aspect-i,a=r*e.aspect-i,Bu.elements[0]=2*e.near/(a-n),Bu.elements[8]=(a+n)/(a-n),this.cameraR.projectionMatrix.copy(Bu)}this.cameraL.matrix.copy(t.matrixWorld).multiply(Iu),this.cameraL.matrixWorldNeedsUpdate=!0,this.cameraR.matrix.copy(t.matrixWorld).multiply(Cu),this.cameraR.matrixWorldNeedsUpdate=!0}}const Ou=-90;class Pu extends Ar{constructor(t,e,s){super(),this.type="CubeCamera",this.renderTarget=s,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new eu(Ou,1,t,e);i.layers=this.layers,this.add(i);const r=new eu(Ou,1,t,e);r.layers=this.layers,this.add(r);const n=new eu(Ou,1,t,e);n.layers=this.layers,this.add(n);const a=new eu(Ou,1,t,e);a.layers=this.layers,this.add(a);const o=new eu(Ou,1,t,e);o.layers=this.layers,this.add(o);const h=new eu(Ou,1,t,e);h.layers=this.layers,this.add(h)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[s,i,r,n,a,o]=e;for(const t of e)this.remove(t);if(t===Ws)s.up.set(0,1,0),s.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),n.up.set(0,0,1),n.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==Js)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);s.up.set(0,-1,0),s.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),n.up.set(0,0,-1),n.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:s,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,n,a,o,h,l]=this.children,c=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=s.texture.generateMipmaps;s.texture.generateMipmaps=!1;let y=!1;y=!0===t.isWebGLRenderer?t.state.buffers.depth.getReversed():t.reversedDepthBuffer,t.setRenderTarget(s,0,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,r),t.setRenderTarget(s,1,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,n),t.setRenderTarget(s,2,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,a),t.setRenderTarget(s,3,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,o),t.setRenderTarget(s,4,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,h),s.texture.generateMipmaps=m,t.setRenderTarget(s,5,i),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,l),t.setRenderTarget(c,u,d),t.xr.enabled=p,s.texture.needsPMREMUpdate=!0}}class Ru extends eu{constructor(t=[]){super(),this.isArrayCamera=!0,this.isMultiViewCamera=!1,this.cameras=t}}class Eu{constructor(){this._previousTime=0,this._currentTime=0,this._startTime=performance.now(),this._delta=0,this._elapsed=0,this._timescale=1,this._document=null,this._pageVisibilityHandler=null}connect(t){this._document=t,void 0!==t.hidden&&(this._pageVisibilityHandler=Nu.bind(this),t.addEventListener("visibilitychange",this._pageVisibilityHandler,!1))}disconnect(){null!==this._pageVisibilityHandler&&(this._document.removeEventListener("visibilitychange",this._pageVisibilityHandler),this._pageVisibilityHandler=null),this._document=null}getDelta(){return this._delta/1e3}getElapsed(){return this._elapsed/1e3}getTimescale(){return this._timescale}setTimescale(t){return this._timescale=t,this}reset(){return this._currentTime=performance.now()-this._startTime,this}dispose(){this.disconnect()}update(t){return null!==this._pageVisibilityHandler&&!0===this._document.hidden?this._delta=0:(this._previousTime=this._currentTime,this._currentTime=(void 0!==t?t:performance.now())-this._startTime,this._delta=(this._currentTime-this._previousTime)*this._timescale,this._elapsed+=this._delta),this}}function Nu(){!1===this._document.hidden&&this.reset()}const Vu=new Ti,Lu=new Ai,Fu=new Ti,Du=new Ti,Uu=new Ti;class ju extends Ar{constructor(){super(),this.type="AudioListener",this.context=Tu.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._timer=new Eu}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t),this._timer.update();const e=this.context.listener;if(this.timeDelta=this._timer.getDelta(),this.matrixWorld.decompose(Vu,Lu,Fu),Du.set(0,0,-1).applyQuaternion(Lu),Uu.set(0,1,0).applyQuaternion(Lu),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(Vu.x,t),e.positionY.linearRampToValueAtTime(Vu.y,t),e.positionZ.linearRampToValueAtTime(Vu.z,t),e.forwardX.linearRampToValueAtTime(Du.x,t),e.forwardY.linearRampToValueAtTime(Du.y,t),e.forwardZ.linearRampToValueAtTime(Du.z,t),e.upX.linearRampToValueAtTime(Uu.x,t),e.upY.linearRampToValueAtTime(Uu.y,t),e.upZ.linearRampToValueAtTime(Uu.z,t)}else e.setPosition(Vu.x,Vu.y,Vu.z),e.setOrientation(Du.x,Du.y,Du.z,Uu.x,Uu.y,Uu.z)}}class Wu extends Ar{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void ai("Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void ai("Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;ai("Audio: this Audio has no playback control.")}stop(t=0){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(this.context.currentTime+t),this.source.onended=null),this.isPlaying=!1,this;ai("Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].connect(this.filters[t]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(!1!==this._connected){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].disconnect(this.filters[t]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}}getFilters(){return this.filters}setFilters(t){return t||(t=[]),!0===this._connected?(this.disconnect(),this.filters=t.slice(),this.connect()):this.filters=t.slice(),this}setDetune(t){return this.detune=t,!0===this.isPlaying&&void 0!==this.source.detune&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(t){return this.setFilters(t?[t]:[])}setPlaybackRate(t){if(!1!==this.hasPlaybackControl)return this.playbackRate=t,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;ai("Audio: this Audio has no playback control.")}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1,this._progress=0}getLoop(){return!1===this.hasPlaybackControl?(ai("Audio: this Audio has no playback control."),!1):this.loop}setLoop(t){if(!1!==this.hasPlaybackControl)return this.loop=t,!0===this.isPlaying&&(this.source.loop=this.loop),this;ai("Audio: this Audio has no playback control.")}setLoopStart(t){return this.loopStart=t,this}setLoopEnd(t){return this.loopEnd=t,this}getVolume(){return this.gain.gain.value}setVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}copy(t,e){return super.copy(t,e),"buffer"!==t.sourceType?(ai("Audio: Audio source type cannot be copied."),this):(this.autoplay=t.autoplay,this.buffer=t.buffer,this.detune=t.detune,this.loop=t.loop,this.loopStart=t.loopStart,this.loopEnd=t.loopEnd,this.offset=t.offset,this.duration=t.duration,this.playbackRate=t.playbackRate,this.hasPlaybackControl=t.hasPlaybackControl,this.sourceType=t.sourceType,this.filters=t.filters.slice(),this)}clone(t){return new this.constructor(this.listener).copy(this,t)}}const Ju=new Ti,qu=new Ai,Hu=new Ti,Xu=new Ti;class Yu extends Wu{constructor(t){super(t),this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}connect(){return super.connect(),this.panner.connect(this.gain),this}disconnect(){return super.disconnect(),this.panner.disconnect(this.gain),this}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(t){return this.panner.refDistance=t,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(t){return this.panner.rolloffFactor=t,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(t){return this.panner.distanceModel=t,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(t){return this.panner.maxDistance=t,this}setDirectionalCone(t,e,s){return this.panner.coneInnerAngle=t,this.panner.coneOuterAngle=e,this.panner.coneOuterGain=s,this}updateMatrixWorld(t){if(super.updateMatrixWorld(t),!0===this.hasPlaybackControl&&!1===this.isPlaying)return;this.matrixWorld.decompose(Ju,qu,Hu),Xu.set(0,0,1).applyQuaternion(qu);const e=this.panner;if(e.positionX){const t=this.context.currentTime+this.listener.timeDelta;e.positionX.linearRampToValueAtTime(Ju.x,t),e.positionY.linearRampToValueAtTime(Ju.y,t),e.positionZ.linearRampToValueAtTime(Ju.z,t),e.orientationX.linearRampToValueAtTime(Xu.x,t),e.orientationY.linearRampToValueAtTime(Xu.y,t),e.orientationZ.linearRampToValueAtTime(Xu.z,t)}else e.setPosition(Ju.x,Ju.y,Ju.z),e.setOrientation(Xu.x,Xu.y,Xu.z)}}class Zu{constructor(t,e=2048){this.analyser=t.context.createAnalyser(),this.analyser.fftSize=e,this.data=new Uint8Array(this.analyser.frequencyBinCount),t.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let t=0;const e=this.getFrequencyData();for(let s=0;s<e.length;s++)t+=e[s];return t/e.length}}class Gu{constructor(t,e,s){let i,r,n;switch(this.binding=t,this.valueSize=s,e){case"quaternion":i=this._slerp,r=this._slerpAdditive,n=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*s),this._workIndex=5;break;case"string":case"bool":i=this._select,r=this._select,n=this._setAdditiveIdentityOther,this.buffer=new Array(5*s);break;default:i=this._lerp,r=this._lerpAdditive,n=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*s)}this._mixBufferRegion=i,this._mixBufferRegionAdditive=r,this._setIdentity=n,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(t,e){const s=this.buffer,i=this.valueSize,r=t*i+i;let n=this.cumulativeWeight;if(0===n){for(let t=0;t!==i;++t)s[r+t]=s[t];n=e}else{n+=e;const t=e/n;this._mixBufferRegion(s,r,0,t,i)}this.cumulativeWeight=n}accumulateAdditive(t){const e=this.buffer,s=this.valueSize,i=s*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,i,0,t,s),this.cumulativeWeightAdditive+=t}apply(t){const e=this.valueSize,s=this.buffer,i=t*e+e,r=this.cumulativeWeight,n=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const t=e*this._origIndex;this._mixBufferRegion(s,i,t,1-r,e)}n>0&&this._mixBufferRegionAdditive(s,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(s[t]!==s[t+e]){a.setValue(s,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,s=this.valueSize,i=s*this._origIndex;t.getValue(e,i);for(let t=s,r=i;t!==r;++t)e[t]=e[i+t%s];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let s=t;s<e;s++)this.buffer[s]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const t=this._origIndex*this.valueSize,e=this._addIndex*this.valueSize;for(let s=0;s<this.valueSize;s++)this.buffer[e+s]=this.buffer[t+s]}_select(t,e,s,i,r){if(i>=.5)for(let i=0;i!==r;++i)t[e+i]=t[s+i]}_slerp(t,e,s,i){Ai.slerpFlat(t,e,t,e,t,s,i)}_slerpAdditive(t,e,s,i,r){const n=this._workIndex*r;Ai.multiplyQuaternionsFlat(t,n,t,e,t,s),Ai.slerpFlat(t,e,t,e,t,n,i)}_lerp(t,e,s,i,r){const n=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*n+t[s+a]*i}}_lerpAdditive(t,e,s,i,r){for(let n=0;n!==r;++n){const r=e+n;t[r]=t[r]+t[s+n]*i}}}const $u="\\[\\]\\.:\\/",Qu=new RegExp("["+$u+"]","g"),Ku="[^"+$u+"]",td="[^"+$u.replace("\\.","")+"]",ed=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",Ku)+/(WCOD+)?/.source.replace("WCOD",td)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Ku)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Ku)+"$"),sd=["material","materials","bones","map"];class id{constructor(t,e,s){this.path=e,this.parsedPath=s||id.parseTrackName(e),this.node=id.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,s){return t&&t.isAnimationObjectGroup?new id.Composite(t,e,s):new id(t,e,s)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Qu,"")}static parseTrackName(t){const e=ed.exec(t);if(null===e)throw new Error("THREE.PropertyBinding: Cannot parse trackName: "+t);const s={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=s.nodeName&&s.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=s.nodeName.substring(i+1);-1!==sd.indexOf(t)&&(s.nodeName=s.nodeName.substring(0,i),s.objectName=t)}if(null===s.propertyName||0===s.propertyName.length)throw new Error("THREE.PropertyBinding: can not parse propertyName from trackName: "+t);return s}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const s=t.skeleton.getBoneByName(e);if(void 0!==s)return s}if(t.children){const s=function(t){for(let i=0;i<t.length;i++){const r=t[i];if(r.name===e||r.uuid===e)return r;const n=s(r.children);if(n)return n}return null},i=s(t.children);if(i)return i}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(t,e){t[e]=this.targetObject[this.propertyName]}_getValue_array(t,e){const s=this.resolvedProperty;for(let i=0,r=s.length;i!==r;++i)t[e++]=s[i]}_getValue_arrayElement(t,e){t[e]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(t,e){this.resolvedProperty.toArray(t,e)}_setValue_direct(t,e){this.targetObject[this.propertyName]=t[e]}_setValue_direct_setNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(t,e){const s=this.resolvedProperty;for(let i=0,r=s.length;i!==r;++i)s[i]=t[e++]}_setValue_array_setNeedsUpdate(t,e){const s=this.resolvedProperty;for(let i=0,r=s.length;i!==r;++i)s[i]=t[e++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(t,e){const s=this.resolvedProperty;for(let i=0,r=s.length;i!==r;++i)s[i]=t[e++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(t,e){this.resolvedProperty[this.propertyIndex]=t[e]}_setValue_arrayElement_setNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(t,e){this.resolvedProperty.fromArray(t,e)}_setValue_fromArray_setNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(t,e){this.bind(),this.getValue(t,e)}_setValue_unbound(t,e){this.bind(),this.setValue(t,e)}bind(){let t=this.node;const e=this.parsedPath,s=e.objectName,i=e.propertyName;let r=e.propertyIndex;if(t||(t=id.findNode(this.rootNode,e.nodeName),this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t)return void ai("PropertyBinding: No target node found for track: "+this.path+".");if(s){let i=e.objectIndex;switch(s){case"materials":if(!t.material)return void oi("PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.materials)return void oi("PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);t=t.material.materials;break;case"bones":if(!t.skeleton)return void oi("PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);t=t.skeleton.bones;for(let e=0;e<t.length;e++)if(t[e].name===i){i=e;break}break;case"map":if("map"in t){t=t.map;break}if(!t.material)return void oi("PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.map)return void oi("PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);t=t.material.map;break;default:if(void 0===t[s])return void oi("PropertyBinding: Can not bind to objectName of node undefined.",this);t=t[s]}if(void 0!==i){if(void 0===t[i])return void oi("PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,t);t=t[i]}}const n=t[i];if(void 0===n){return void oi("PropertyBinding: Trying to update property for track: "+e.nodeName+"."+i+" but it wasn't found.",t)}let a=this.Versioning.None;this.targetObject=t,!0===t.isMaterial?a=this.Versioning.NeedsUpdate:!0===t.isObject3D&&(a=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===i){if(!t.geometry)return void oi("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!t.geometry.morphAttributes)return void oi("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==t.morphTargetDictionary[r]&&(r=t.morphTargetDictionary[r])}o=this.BindingType.ArrayElement,this.resolvedProperty=n,this.propertyIndex=r}else void 0!==n.fromArray&&void 0!==n.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=n):Array.isArray(n)?(o=this.BindingType.EntireArray,this.resolvedProperty=n):this.propertyName=i;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][a]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}id.Composite=class{constructor(t,e,s){const i=s||id.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,i)}getValue(t,e){this.bind();const s=this._targetGroup.nCachedObjects_,i=this._bindings[s];void 0!==i&&i.getValue(t,e)}setValue(t,e){const s=this._bindings;for(let i=this._targetGroup.nCachedObjects_,r=s.length;i!==r;++i)s[i].setValue(t,e)}bind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,s=t.length;e!==s;++e)t[e].bind()}unbind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,s=t.length;e!==s;++e)t[e].unbind()}},id.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},id.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},id.prototype.GetterByBindingType=[id.prototype._getValue_direct,id.prototype._getValue_array,id.prototype._getValue_arrayElement,id.prototype._getValue_toArray],id.prototype.SetterByBindingTypeAndVersioning=[[id.prototype._setValue_direct,id.prototype._setValue_direct_setNeedsUpdate,id.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[id.prototype._setValue_array,id.prototype._setValue_array_setNeedsUpdate,id.prototype._setValue_array_setMatrixWorldNeedsUpdate],[id.prototype._setValue_arrayElement,id.prototype._setValue_arrayElement_setNeedsUpdate,id.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[id.prototype._setValue_fromArray,id.prototype._setValue_fromArray_setNeedsUpdate,id.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class rd{constructor(){this.isAnimationObjectGroup=!0,this.uuid=fi(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;const t={};this._indicesByUUID=t;for(let e=0,s=arguments.length;e!==s;++e)t[arguments[e].uuid]=e;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};const e=this;this.stats={objects:{get total(){return e._objects.length},get inUse(){return this.total-e.nCachedObjects_}},get bindingsPerObject(){return e._bindings.length}}}add(){const t=this._objects,e=this._indicesByUUID,s=this._paths,i=this._parsedPaths,r=this._bindings,n=r.length;let a,o=t.length,h=this.nCachedObjects_;for(let l=0,c=arguments.length;l!==c;++l){const c=arguments[l],u=c.uuid;let d=e[u];if(void 0===d){d=o++,e[u]=d,t.push(c);for(let t=0,e=n;t!==e;++t)r[t].push(new id(c,s[t],i[t]))}else if(d<h){a=t[d];const o=--h,l=t[o];e[l.uuid]=d,t[d]=l,e[u]=o,t[o]=c;for(let t=0,e=n;t!==e;++t){const e=r[t],n=e[o];let a=e[d];e[d]=n,void 0===a&&(a=new id(c,s[t],i[t])),e[o]=a}}else t[d]!==a&&oi("AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=h}remove(){const t=this._objects,e=this._indicesByUUID,s=this._bindings,i=s.length;let r=this.nCachedObjects_;for(let n=0,a=arguments.length;n!==a;++n){const a=arguments[n],o=a.uuid,h=e[o];if(void 0!==h&&h>=r){const n=r++,l=t[n];e[l.uuid]=h,t[h]=l,e[o]=n,t[n]=a;for(let t=0,e=i;t!==e;++t){const e=s[t],i=e[n],r=e[h];e[h]=i,e[n]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,s=this._bindings,i=s.length;let r=this.nCachedObjects_,n=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,h=e[o];if(void 0!==h)if(delete e[o],h<r){const a=--r,o=t[a],l=--n,c=t[l];e[o.uuid]=h,t[h]=o,e[c.uuid]=a,t[a]=c,t.pop();for(let t=0,e=i;t!==e;++t){const e=s[t],i=e[a],r=e[l];e[h]=i,e[a]=r,e.pop()}}else{const r=--n,a=t[r];r>0&&(e[a.uuid]=h),t[h]=a,t.pop();for(let t=0,e=i;t!==e;++t){const e=s[t];e[h]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const s=this._bindingsIndicesByPath;let i=s[t];const r=this._bindings;if(void 0!==i)return r[i];const n=this._paths,a=this._parsedPaths,o=this._objects,h=o.length,l=this.nCachedObjects_,c=new Array(h);i=r.length,s[t]=i,n.push(t),a.push(e),r.push(c);for(let s=l,i=o.length;s!==i;++s){const i=o[s];c[s]=new id(i,t,e)}return c}unsubscribe_(t){const e=this._bindingsIndicesByPath,s=e[t];if(void 0!==s){const i=this._paths,r=this._parsedPaths,n=this._bindings,a=n.length-1,o=n[a];e[t[a]]=s,n[s]=o,n.pop(),r[s]=r[a],r.pop(),i[s]=i[a],i.pop()}}}class nd{constructor(t,e,s=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=s,this.blendMode=i;const r=e.tracks,n=r.length,a=new Array(n),o={endingStart:De,endingEnd:De};for(let t=0;t!==n;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(n),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._restoreTimeScale=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,s=!1){if(t.fadeOut(e),this.fadeIn(e),!0===s){const s=this._clip.duration,i=t._clip.duration,r=i/s,n=s/i;t._restoreTimeScale=t.timeScale,this._restoreTimeScale=this.timeScale,t.warp(1,r,e),this.warp(n,1,e)}return this}crossFadeTo(t,e,s=!1){return t.crossFadeFrom(this,e,s)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,s){const i=this._mixer,r=i.time,n=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,h=a.sampleValues;return o[0]=r,o[1]=r+s,h[0]=t/n,h[1]=e/n,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this._restoreTimeScale=null,this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,s,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*s;i<0||0===s?e=0:(this._startTime=null,e=s*i)}e*=this._updateTimeScale(t);const n=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===Je)for(let s=0,i=t.length;s!==i;++s)t[s].evaluate(n),e[s].accumulateAdditive(a);else for(let s=0,r=t.length;s!==r;++s)t[s].evaluate(n),e[s].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const s=this._weightInterpolant;if(null!==s){const i=s.evaluate(t)[0];e*=i,t>s.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const s=this._timeScaleInterpolant;if(null!==s){e*=s.evaluate(t)[0],t>s.parameterPositions[1]&&(0===e?this.paused=!0:(null!==this._restoreTimeScale&&(e=this._restoreTimeScale),this.timeScale=e),this.stopWarping())}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,s=this.loop;let i=this.time+t,r=this._loopCount;const n=2202===s;if(0===t)return-1===r||!n||1&~r?i:e-i;if(2200===s){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,n)):this._setEndings(0===this.repetitions,!0,n)),i>=e||i<0){const s=Math.floor(i/e);i-=e*s,r+=Math.abs(s);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,n)}else this._setEndings(!1,!1,n);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:s})}}else this._loopCount=r,this.time=i;if(n&&!(1&~r))return e-i}return i}_setEndings(t,e,s){const i=this._interpolantSettings;s?(i.endingStart=Ue,i.endingEnd=Ue):(i.endingStart=t?this.zeroSlopeAtStart?Ue:De:je,i.endingEnd=e?this.zeroSlopeAtEnd?Ue:De:je)}_scheduleFading(t,e,s){const i=this._mixer,r=i.time;let n=this._weightInterpolant;null===n&&(n=i._lendControlInterpolant(),this._weightInterpolant=n);const a=n.parameterPositions,o=n.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=s,this}}const ad=new Float32Array(1);class od extends di{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}_bindAction(t,e){const s=t._localRoot||this._root,i=t._clip.tracks,r=i.length,n=t._propertyBindings,a=t._interpolants,o=s.uuid,h=this._bindingsByRootAndName;let l=h[o];void 0===l&&(l={},h[o]=l);for(let t=0;t!==r;++t){const r=i[t],h=r.name;let c=l[h];if(void 0!==c)++c.referenceCount,n[t]=c;else{if(c=n[t],void 0!==c){null===c._cacheIndex&&(++c.referenceCount,this._addInactiveBinding(c,o,h));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;c=new Gu(id.create(s,h,i),r.ValueTypeName,r.getValueSize()),++c.referenceCount,this._addInactiveBinding(c,o,h),n[t]=c}a[t].resultBuffer=c.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,s=t._clip.uuid,i=this._actionsByClip[s];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,s,e)}const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0===s.useCount++&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0===--s.useCount&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e<this._nActiveActions}_addInactiveAction(t,e,s){const i=this._actions,r=this._actionsByClip;let n=r[e];if(void 0===n)n={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=n;else{const e=n.knownActions;t._byClipCacheIndex=e.length,e.push(t)}t._cacheIndex=i.length,i.push(t),n.actionByRoot[s]=t}_removeInactiveAction(t){const e=this._actions,s=e[e.length-1],i=t._cacheIndex;s._cacheIndex=i,e[i]=s,e.pop(),t._cacheIndex=null;const r=t._clip.uuid,n=this._actionsByClip,a=n[r],o=a.knownActions,h=o[o.length-1],l=t._byClipCacheIndex;h._byClipCacheIndex=l,o[l]=h,o.pop(),t._byClipCacheIndex=null;delete a.actionByRoot[(t._localRoot||this._root).uuid],0===o.length&&delete n[r],this._removeInactiveBindingsForAction(t)}_removeInactiveBindingsForAction(t){const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0===--s.referenceCount&&this._removeInactiveBinding(s)}}_lendAction(t){const e=this._actions,s=t._cacheIndex,i=this._nActiveActions++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=s,e[s]=r}_takeBackAction(t){const e=this._actions,s=t._cacheIndex,i=--this._nActiveActions,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=s,e[s]=r}_addInactiveBinding(t,e,s){const i=this._bindingsByRootAndName,r=this._bindings;let n=i[e];void 0===n&&(n={},i[e]=n),n[s]=t,t._cacheIndex=r.length,r.push(t)}_removeInactiveBinding(t){const e=this._bindings,s=t.binding,i=s.rootNode.uuid,r=s.path,n=this._bindingsByRootAndName,a=n[i],o=e[e.length-1],h=t._cacheIndex;o._cacheIndex=h,e[h]=o,e.pop(),delete a[r],0===Object.keys(a).length&&delete n[i]}_lendBinding(t){const e=this._bindings,s=t._cacheIndex,i=this._nActiveBindings++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=s,e[s]=r}_takeBackBinding(t){const e=this._bindings,s=t._cacheIndex,i=--this._nActiveBindings,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=s,e[s]=r}_lendControlInterpolant(){const t=this._controlInterpolants,e=this._nActiveControlInterpolants++;let s=t[e];return void 0===s&&(s=new mc(new Float32Array(2),new Float32Array(2),1,ad),s.__cacheIndex=e,t[e]=s),s}_takeBackControlInterpolant(t){const e=this._controlInterpolants,s=t.__cacheIndex,i=--this._nActiveControlInterpolants,r=e[i];t.__cacheIndex=i,e[i]=t,r.__cacheIndex=s,e[s]=r}clipAction(t,e,s){const i=e||this._root,r=i.uuid;let n="string"==typeof t?Ac.findByName(i,t):t;const a=null!==n?n.uuid:t,o=this._actionsByClip[a];let h=null;if(void 0===s&&(s=null!==n?n.blendMode:We),void 0!==o){const t=o.actionByRoot[r];if(void 0!==t&&t.blendMode===s)return t;h=o.knownActions[0],null===n&&(n=h._clip)}if(null===n)return null;const l=new nd(this,n,e,s);return this._bindAction(l,h),this._addInactiveAction(l,a,r),l}existingAction(t,e){const s=e||this._root,i=s.uuid,r="string"==typeof t?Ac.findByName(s,t):t,n=r?r.uuid:t,a=this._actionsByClip[n];return void 0!==a&&a.actionByRoot[i]||null}stopAllAction(){const t=this._actions;for(let e=this._nActiveActions-1;e>=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,s=this._nActiveActions,i=this.time+=t,r=Math.sign(t),n=this._accuIndex^=1;for(let a=0;a!==s;++a){e[a]._update(i,t,r,n)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(n);return this}setTime(t){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(t)}getRoot(){return this._root}uncacheClip(t){const e=this._actions,s=t.uuid,i=this._actionsByClip,r=i[s];if(void 0!==r){const t=r.knownActions;for(let s=0,i=t.length;s!==i;++s){const i=t[s];this._deactivateAction(i);const r=i._cacheIndex,n=e[e.length-1];i._cacheIndex=null,i._byClipCacheIndex=null,n._cacheIndex=r,e[r]=n,e.pop(),this._removeInactiveBindingsForAction(i)}delete i[s]}}uncacheRoot(t){const e=t.uuid,s=this._actionsByClip;for(const t in s){const i=s[t].actionByRoot[e];void 0!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}const i=this._bindingsByRootAndName[e];if(void 0!==i)for(const t in i){const e=i[t];e.restoreOriginalState(),this._removeInactiveBinding(e)}}uncacheAction(t,e){const s=this.existingAction(t,e);null!==s&&(this._deactivateAction(s),this._removeInactiveAction(s))}}class hd extends Hi{constructor(t=1,e=1,s=1,i={}){super(t,e,i),this.isRenderTarget3D=!0,this.depth=s,this.texture=new Gi(null,t,e,s),this._setTextureOptions(i),this.texture.isRenderTargetTexture=!0}}class ld{constructor(t){this.value=t}clone(){return new ld(void 0===this.value.clone?this.value:this.value.clone())}}let cd=0;class ud extends di{constructor(){super(),this.isUniformsGroup=!0,Object.defineProperty(this,"id",{value:cd++}),this.name="",this.usage=Os,this.uniforms=[]}add(t){return this.uniforms.push(t),this}remove(t){const e=this.uniforms.indexOf(t);return-1!==e&&this.uniforms.splice(e,1),this}setName(t){return this.name=t,this}setUsage(t){return this.usage=t,this}dispose(){this.dispatchEvent({type:"dispose"})}copy(t){this.name=t.name,this.usage=t.usage;const e=t.uniforms;this.uniforms.length=0;for(let t=0,s=e.length;t<s;t++){const s=Array.isArray(e[t])?e[t]:[e[t]];for(let t=0;t<s.length;t++)this.uniforms.push(s[t].clone())}return this}clone(){return(new this.constructor).copy(this)}}class dd extends Jn{constructor(t,e,s=1){super(t,e),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=s}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}clone(t){const e=super.clone(t);return e.meshPerAttribute=this.meshPerAttribute,e}toJSON(t){const e=super.toJSON(t);return e.isInstancedInterleavedBuffer=!0,e.meshPerAttribute=this.meshPerAttribute,e}}class pd{constructor(t,e,s,i,r,n=!1){this.isGLBufferAttribute=!0,this.name="",this.buffer=t,this.type=e,this.itemSize=s,this.elementSize=i,this.count=r,this.normalized=n,this.version=0}set needsUpdate(t){!0===t&&this.version++}setBuffer(t){return this.buffer=t,this}setType(t,e){return this.type=t,this.elementSize=e,this}setItemSize(t){return this.itemSize=t,this}setCount(t){return this.count=t,this}}const md=new Qi;class yd{constructor(t,e,s=0,i=1/0){this.ray=new wa(t,e),this.near=s,this.far=i,this.camera=null,this.layers=new lr,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(t,e){this.ray.set(t,e)}setFromCamera(t,e){e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,e.projectionMatrix.elements[14]).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):oi("Raycaster: Unsupported camera type: "+e.type)}setFromXRController(t){return md.identity().extractRotation(t.matrixWorld),this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(0,0,-1).applyMatrix4(md),this}intersectObject(t,e=!0,s=[]){return fd(t,this,s,e),s.sort(gd),s}intersectObjects(t,e=!0,s=[]){for(let i=0,r=t.length;i<r;i++)fd(t[i],this,s,e);return s.sort(gd),s}}function gd(t,e){return t.distance-e.distance}function fd(t,e,s,i){let r=!0;if(t.layers.test(e.layers)){!1===t.raycast(e,s)&&(r=!1)}if(!0===r&&!0===i){const i=t.children;for(let t=0,r=i.length;t<r;t++)fd(i[t],e,s,!0)}}class xd{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1,ai("Clock: This module has been deprecated. Please use THREE.Timer instead.")}start(){this.startTime=performance.now(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=performance.now();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}class bd{constructor(t=1,e=0,s=0){this.radius=t,this.phi=e,this.theta=s}set(t,e,s){return this.radius=t,this.phi=e,this.theta=s,this}copy(t){return this.radius=t.radius,this.phi=t.phi,this.theta=t.theta,this}makeSafe(){const t=1e-6;return this.phi=xi(this.phi,t,Math.PI-t),this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,s){return this.radius=Math.sqrt(t*t+e*e+s*s),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(t,s),this.phi=Math.acos(xi(e/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}class vd{constructor(t=1,e=0,s=0){this.radius=t,this.theta=e,this.y=s}set(t,e,s){return this.radius=t,this.theta=e,this.y=s,this}copy(t){return this.radius=t.radius,this.theta=t.theta,this.y=t.y,this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,s){return this.radius=Math.sqrt(t*t+s*s),this.theta=Math.atan2(t,s),this.y=e,this}clone(){return(new this.constructor).copy(this)}}class wd{static{wd.prototype.isMatrix2=!0}constructor(t,e,s,i){this.elements=[1,0,0,1],void 0!==t&&this.set(t,e,s,i)}identity(){return this.set(1,0,0,1),this}fromArray(t,e=0){for(let s=0;s<4;s++)this.elements[s]=t[s+e];return this}set(t,e,s,i){const r=this.elements;return r[0]=t,r[2]=e,r[1]=s,r[3]=i,this}}const Md=new _i;class Sd{constructor(t=new _i(1/0,1/0),e=new _i(-1/0,-1/0)){this.isBox2=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromPoints(t){this.makeEmpty();for(let e=0,s=t.length;e<s;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const s=Md.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(s),this.max.copy(t).add(s),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(t){return this.isEmpty()?t.set(0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Md).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const _d=new Ti,Ad=new Ti,Td=new Ti,zd=new Ti,Cd=new Ti,Id=new Ti,Bd=new Ti;class kd{constructor(t=new Ti,e=new Ti){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){_d.subVectors(t,this.start),Ad.subVectors(this.end,this.start);const s=Ad.dot(Ad);if(0===s)return 0;let i=Ad.dot(_d)/s;return e&&(i=xi(i,0,1)),i}closestPointToPoint(t,e,s){const i=this.closestPointToPointParameter(t,e);return this.delta(s).multiplyScalar(i).add(this.start)}distanceSqToLine3(t,e=Id,s=Bd){const i=1e-8*1e-8;let r,n;const a=this.start,o=t.start,h=this.end,l=t.end;Td.subVectors(h,a),zd.subVectors(l,o),Cd.subVectors(a,o);const c=Td.dot(Td),u=zd.dot(zd),d=zd.dot(Cd);if(c<=i&&u<=i)return e.copy(a),s.copy(o),e.sub(s),e.dot(e);if(c<=i)r=0,n=d/u,n=xi(n,0,1);else{const t=Td.dot(Cd);if(u<=i)n=0,r=xi(-t/c,0,1);else{const e=Td.dot(zd),s=c*u-e*e;r=0!==s?xi((e*d-t*u)/s,0,1):0,n=(e*r+d)/u,n<0?(n=0,r=xi(-t/c,0,1)):n>1&&(n=1,r=xi((e-t)/c,0,1))}}return e.copy(a).addScaledVector(Td,r),s.copy(o).addScaledVector(zd,n),e.distanceToSquared(s)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Od=new Ti;class Pd extends Ar{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const s=new Wn,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,s=32;t<s;t++,e++){const r=t/s*Math.PI*2,n=e/s*Math.PI*2;i.push(Math.cos(r),Math.sin(r),1,Math.cos(n),Math.sin(n),1)}s.setAttribute("position",new kn(i,3));const r=new No({fog:!1,toneMapped:!1});this.cone=new Yo(s,r),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),this.parent?(this.parent.updateWorldMatrix(!0),this.matrix.copy(this.parent.matrixWorld).invert().multiply(this.light.matrixWorld)):this.matrix.copy(this.light.matrixWorld),this.matrixWorldNeedsUpdate=!0;const t=this.light.distance?this.light.distance:1e3,e=t*Math.tan(this.light.angle);this.cone.scale.set(e,e,t),Od.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(Od),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}}const Rd=new Ti,Ed=new Qi,Nd=new Qi;class Vd extends Yo{constructor(t){const e=Ld(t),s=new Wn,i=[],r=[];for(let t=0;t<e.length;t++){const s=e[t];s.parent&&s.parent.isBone&&(i.push(0,0,0),i.push(0,0,0),r.push(0,0,0),r.push(0,0,0))}s.setAttribute("position",new kn(i,3)),s.setAttribute("color",new kn(r,3));super(s,new No({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.isSkeletonHelper=!0,this.type="SkeletonHelper",this.root=t,this.bones=e,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1;const n=new Pr(255),a=new Pr(65280);this.setColors(n,a)}updateMatrixWorld(t){const e=this.bones,s=this.geometry,i=s.getAttribute("position");Nd.copy(this.root.matrixWorld).invert();for(let t=0,s=0;t<e.length;t++){const r=e[t];r.parent&&r.parent.isBone&&(Ed.multiplyMatrices(Nd,r.matrixWorld),Rd.setFromMatrixPosition(Ed),i.setXYZ(s,Rd.x,Rd.y,Rd.z),Ed.multiplyMatrices(Nd,r.parent.matrixWorld),Rd.setFromMatrixPosition(Ed),i.setXYZ(s+1,Rd.x,Rd.y,Rd.z),s+=2)}s.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(t)}setColors(t,e){const s=this.geometry.getAttribute("color");for(let i=0;i<s.count;i+=2)s.setXYZ(i,t.r,t.g,t.b),s.setXYZ(i+1,e.r,e.g,e.b);return s.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}function Ld(t){const e=[];!0===t.isBone&&e.push(t);for(let s=0;s<t.children.length;s++)e.push(...Ld(t.children[s]));return e}class Fd extends Ra{constructor(t,e,s){super(new El(e,4,2),new Ma({wireframe:!0,fog:!1,toneMapped:!1})),this.light=t,this.color=s,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.matrixWorldNeedsUpdate=!0,this.light.updateWorldMatrix(!0,!1),void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)}}const Dd=new Ti,Ud=new Pr,jd=new Pr;class Wd extends Ar{constructor(t,e,s){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=s,this.type="HemisphereLightHelper";const i=new kl(e);i.rotateY(.5*Math.PI),this.material=new Ma({wireframe:!0,fog:!1,toneMapped:!1}),void 0===this.color&&(this.material.vertexColors=!0);const r=i.getAttribute("position"),n=new Float32Array(3*r.count);i.setAttribute("color",new Mn(n,3)),this.add(new Ra(i,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){const t=this.children[0];if(void 0!==this.color)this.material.color.set(this.color);else{const e=t.geometry.getAttribute("color");Ud.copy(this.light.color),jd.copy(this.light.groundColor);for(let t=0,s=e.count;t<s;t++){const i=t<s/2?Ud:jd;e.setXYZ(t,i.r,i.g,i.b)}e.needsUpdate=!0}this.matrixWorldNeedsUpdate=!0,this.light.updateWorldMatrix(!0,!1),t.lookAt(Dd.setFromMatrixPosition(this.light.matrixWorld).negate())}}class Jd extends Yo{constructor(t=10,e=10,s=4473924,i=8947848){s=new Pr(s),i=new Pr(i);const r=e/2,n=t/e,a=t/2,o=[],h=[];for(let t=0,l=0,c=-a;t<=e;t++,c+=n){o.push(-a,0,c,a,0,c),o.push(c,0,-a,c,0,a);const e=t===r?s:i;e.toArray(h,l),l+=3,e.toArray(h,l),l+=3,e.toArray(h,l),l+=3,e.toArray(h,l),l+=3}const l=new Wn;l.setAttribute("position",new kn(o,3)),l.setAttribute("color",new kn(h,3));super(l,new No({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}class qd extends Yo{constructor(t=10,e=16,s=8,i=64,r=4473924,n=8947848){r=new Pr(r),n=new Pr(n);const a=[],o=[];if(e>1)for(let s=0;s<e;s++){const i=s/e*(2*Math.PI),h=Math.sin(i)*t,l=Math.cos(i)*t;a.push(0,0,0),a.push(h,0,l);const c=1&s?r:n;o.push(c.r,c.g,c.b),o.push(c.r,c.g,c.b)}for(let e=0;e<s;e++){const h=1&e?r:n,l=t-t/s*e;for(let t=0;t<i;t++){let e=t/i*(2*Math.PI),s=Math.sin(e)*l,r=Math.cos(e)*l;a.push(s,0,r),o.push(h.r,h.g,h.b),e=(t+1)/i*(2*Math.PI),s=Math.sin(e)*l,r=Math.cos(e)*l,a.push(s,0,r),o.push(h.r,h.g,h.b)}}const h=new Wn;h.setAttribute("position",new kn(a,3)),h.setAttribute("color",new kn(o,3));super(h,new No({vertexColors:!0,toneMapped:!1})),this.type="PolarGridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}const Hd=new Ti,Xd=new Ti,Yd=new Ti;class Zd extends Ar{constructor(t,e,s){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=s,this.type="DirectionalLightHelper",void 0===e&&(e=1);let i=new Wn;i.setAttribute("position",new kn([-e,e,0,e,e,0,e,-e,0,-e,-e,0,-e,e,0],3));const r=new No({fog:!1,toneMapped:!1});this.lightPlane=new Jo(i,r),this.add(this.lightPlane),i=new Wn,i.setAttribute("position",new kn([0,0,0,0,0,1],3)),this.targetLine=new Jo(i,r),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){this.matrixWorldNeedsUpdate=!0,this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),Hd.setFromMatrixPosition(this.light.matrixWorld),Xd.setFromMatrixPosition(this.light.target.matrixWorld),Yd.subVectors(Xd,Hd),this.lightPlane.lookAt(Xd),void 0!==this.color?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(Xd),this.targetLine.scale.z=Yd.length()}}const Gd=new Ti,$d=new $c;class Qd extends Yo{constructor(t){const e=new Wn,s=new No({color:16777215,vertexColors:!0,toneMapped:!1}),i=[],r=[],n={};function a(t,e){o(t),o(e)}function o(t){i.push(0,0,0),r.push(0,0,0),void 0===n[t]&&(n[t]=[]),n[t].push(i.length/3-1)}a("n1","n2"),a("n2","n4"),a("n4","n3"),a("n3","n1"),a("f1","f2"),a("f2","f4"),a("f4","f3"),a("f3","f1"),a("n1","f1"),a("n2","f2"),a("n3","f3"),a("n4","f4"),a("p","n1"),a("p","n2"),a("p","n3"),a("p","n4"),a("u1","u2"),a("u2","u3"),a("u3","u1"),a("c","t"),a("p","c"),a("cn1","cn2"),a("cn3","cn4"),a("cf1","cf2"),a("cf3","cf4"),e.setAttribute("position",new kn(i,3)),e.setAttribute("color",new kn(r,3)),super(e,s),this.type="CameraHelper",this.camera=t,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=n,this.update();const h=new Pr(16755200),l=new Pr(16711680),c=new Pr(43775),u=new Pr(16777215),d=new Pr(3355443);this.setColors(h,l,c,u,d)}setColors(t,e,s,i,r){const n=this.geometry.getAttribute("color");return n.setXYZ(0,t.r,t.g,t.b),n.setXYZ(1,t.r,t.g,t.b),n.setXYZ(2,t.r,t.g,t.b),n.setXYZ(3,t.r,t.g,t.b),n.setXYZ(4,t.r,t.g,t.b),n.setXYZ(5,t.r,t.g,t.b),n.setXYZ(6,t.r,t.g,t.b),n.setXYZ(7,t.r,t.g,t.b),n.setXYZ(8,t.r,t.g,t.b),n.setXYZ(9,t.r,t.g,t.b),n.setXYZ(10,t.r,t.g,t.b),n.setXYZ(11,t.r,t.g,t.b),n.setXYZ(12,t.r,t.g,t.b),n.setXYZ(13,t.r,t.g,t.b),n.setXYZ(14,t.r,t.g,t.b),n.setXYZ(15,t.r,t.g,t.b),n.setXYZ(16,t.r,t.g,t.b),n.setXYZ(17,t.r,t.g,t.b),n.setXYZ(18,t.r,t.g,t.b),n.setXYZ(19,t.r,t.g,t.b),n.setXYZ(20,t.r,t.g,t.b),n.setXYZ(21,t.r,t.g,t.b),n.setXYZ(22,t.r,t.g,t.b),n.setXYZ(23,t.r,t.g,t.b),n.setXYZ(24,e.r,e.g,e.b),n.setXYZ(25,e.r,e.g,e.b),n.setXYZ(26,e.r,e.g,e.b),n.setXYZ(27,e.r,e.g,e.b),n.setXYZ(28,e.r,e.g,e.b),n.setXYZ(29,e.r,e.g,e.b),n.setXYZ(30,e.r,e.g,e.b),n.setXYZ(31,e.r,e.g,e.b),n.setXYZ(32,s.r,s.g,s.b),n.setXYZ(33,s.r,s.g,s.b),n.setXYZ(34,s.r,s.g,s.b),n.setXYZ(35,s.r,s.g,s.b),n.setXYZ(36,s.r,s.g,s.b),n.setXYZ(37,s.r,s.g,s.b),n.setXYZ(38,i.r,i.g,i.b),n.setXYZ(39,i.r,i.g,i.b),n.setXYZ(40,r.r,r.g,r.b),n.setXYZ(41,r.r,r.g,r.b),n.setXYZ(42,r.r,r.g,r.b),n.setXYZ(43,r.r,r.g,r.b),n.setXYZ(44,r.r,r.g,r.b),n.setXYZ(45,r.r,r.g,r.b),n.setXYZ(46,r.r,r.g,r.b),n.setXYZ(47,r.r,r.g,r.b),n.setXYZ(48,r.r,r.g,r.b),n.setXYZ(49,r.r,r.g,r.b),n.needsUpdate=!0,this}update(){const t=this.geometry,e=this.pointMap;let s,i;if($d.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),!0===this.camera.reversedDepth)s=1,i=0;else if(this.camera.coordinateSystem===Ws)s=-1,i=1;else{if(this.camera.coordinateSystem!==Js)throw new Error("THREE.CameraHelper.update(): Invalid coordinate system: "+this.camera.coordinateSystem);s=0,i=1}Kd("c",e,t,$d,0,0,s),Kd("t",e,t,$d,0,0,i),Kd("n1",e,t,$d,-1,-1,s),Kd("n2",e,t,$d,1,-1,s),Kd("n3",e,t,$d,-1,1,s),Kd("n4",e,t,$d,1,1,s),Kd("f1",e,t,$d,-1,-1,i),Kd("f2",e,t,$d,1,-1,i),Kd("f3",e,t,$d,-1,1,i),Kd("f4",e,t,$d,1,1,i),Kd("u1",e,t,$d,.7,1.1,s),Kd("u2",e,t,$d,-.7,1.1,s),Kd("u3",e,t,$d,0,2,s),Kd("cf1",e,t,$d,-1,0,i),Kd("cf2",e,t,$d,1,0,i),Kd("cf3",e,t,$d,0,-1,i),Kd("cf4",e,t,$d,0,1,i),Kd("cn1",e,t,$d,-1,0,s),Kd("cn2",e,t,$d,1,0,s),Kd("cn3",e,t,$d,0,-1,s),Kd("cn4",e,t,$d,0,1,s),t.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}}function Kd(t,e,s,i,r,n,a){Gd.set(r,n,a).unproject(i);const o=e[t];if(void 0!==o){const t=s.getAttribute("position");for(let e=0,s=o.length;e<s;e++)t.setXYZ(o[e],Gd.x,Gd.y,Gd.z)}}const tp=new Qr;class ep extends Yo{constructor(t,e=16776960){const s=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),i=new Float32Array(24),r=new Wn;r.setIndex(new Mn(s,1)),r.setAttribute("position",new Mn(i,3)),super(r,new No({color:e,toneMapped:!1})),this.object=t,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(){if(void 0!==this.object&&tp.setFromObject(this.object),tp.isEmpty())return;const t=tp.min,e=tp.max,s=this.geometry.attributes.position,i=s.array;i[0]=e.x,i[1]=e.y,i[2]=e.z,i[3]=t.x,i[4]=e.y,i[5]=e.z,i[6]=t.x,i[7]=t.y,i[8]=e.z,i[9]=e.x,i[10]=t.y,i[11]=e.z,i[12]=e.x,i[13]=e.y,i[14]=t.z,i[15]=t.x,i[16]=e.y,i[17]=t.z,i[18]=t.x,i[19]=t.y,i[20]=t.z,i[21]=e.x,i[22]=t.y,i[23]=t.z,s.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(t){return this.object=t,this.update(),this}copy(t,e){return super.copy(t,e),this.object=t.object,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class sp extends Yo{constructor(t,e=16776960){const s=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),i=new Wn;i.setIndex(new Mn(s,1)),i.setAttribute("position",new kn([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3)),super(i,new No({color:e,toneMapped:!1})),this.box=t,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(t){const e=this.box;e.isEmpty()||(e.getCenter(this.position),e.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(t))}dispose(){this.geometry.dispose(),this.material.dispose()}}class ip extends Jo{constructor(t,e=1,s=16776960){const i=s,r=new Wn;r.setAttribute("position",new kn([1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],3)),r.computeBoundingSphere(),super(r,new No({color:i,toneMapped:!1})),this.type="PlaneHelper",this.plane=t,this.size=e;const n=new Wn;n.setAttribute("position",new kn([1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],3)),n.computeBoundingSphere(),this.add(new Ra(n,new Ma({color:i,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(t){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(t)}dispose(){this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}}const rp=new Ti;let np,ap;class op extends Ar{constructor(t=new Ti(0,0,1),e=new Ti(0,0,0),s=1,i=16776960,r=.2*s,n=.2*r){super(),this.type="ArrowHelper",void 0===np&&(np=new Wn,np.setAttribute("position",new kn([0,0,0,0,1,0],3)),ap=new bh(.5,1,5,1),ap.translate(0,-.5,0)),this.position.copy(e),this.line=new Jo(np,new No({color:i,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Ra(ap,new Ma({color:i,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(t),this.setLength(s,r,n)}setDirection(t){if(t.y>.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{rp.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(rp,e)}}setLength(t,e=.2*t,s=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(s,e,s),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class hp extends Yo{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],s=new Wn;s.setAttribute("position",new kn(e,3)),s.setAttribute("color",new kn([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(s,new No({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,s){const i=new Pr,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(s),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class lp{constructor(){this.type="ShapePath",this.color=new Pr,this.subPaths=[],this.currentPath=null,this.userData={}}moveTo(t,e){return this.currentPath=new Zh,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,s,i){return this.currentPath.quadraticCurveTo(t,e,s,i),this}bezierCurveTo(t,e,s,i,r,n){return this.currentPath.bezierCurveTo(t,e,s,i,r,n),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(){function t(t,e){let s=!1;const i=e.length;for(let r=0,n=i-1;r<i;n=r++){const i=e[r],a=e[n];i.y>t.y!=a.y>t.y&&t.x<(a.x-i.x)*(t.y-i.y)/(a.y-i.y)+i.x&&(s=!s)}return s}function e(e,s){const i=s.getCenter(new _i);if(t(i,e))return i;const r=i.y,n=[],a=e.length;for(let t=0;t<a;t++){const s=e[t],i=e[(t+1)%a];if(s.y>r!=i.y>r){const t=s.x+(r-s.y)*(i.x-s.x)/(i.y-s.y);n.push(t)}}return n.length>1&&(n.sort((t,e)=>t-e),i.x=(n[0]+n[1])/2),i}let s=this.userData.style&&this.userData.style.fillRule||"nonzero";"nonzero"!==s&&"evenodd"!==s&&(ai('Fill-rule "'+s+'" is not supported, falling back to "nonzero".'),s="nonzero");const i="nonzero"===s?t=>0!==t:t=>!!(1&t),r=[];for(const t of this.subPaths){const s=t.getPoints();if(s.length<3)continue;const i=_l.area(s);if(0===i)continue;const n=new Sd;for(let t=0;t<s.length;t++)n.expandByPoint(s[t]);r.push({subPath:t,points:s,boundingBox:n,interiorPoint:e(s,n),absArea:Math.abs(i),winding:i<0?-1:1,container:null,exclude:!1,role:null})}r.sort((t,e)=>e.absArea-t.absArea);for(let e=0;e<r.length;e++){const s=r[e];let n=0;for(let i=e-1;i>=0;i--){const e=r[i];if(e.boundingBox.containsBox(s.boundingBox)&&t(s.interiorPoint,e.points)){s.container=e.exclude?e.container:e,n=e.winding,s.winding+=n;break}}i(s.winding)===i(n)&&(s.exclude=!0)}for(const t of r)t.exclude||(t.role=null===t.container||"hole"===t.container.role?"outer":"hole");const n=[],a=new Map;for(const t of r){if(t.exclude||"outer"!==t.role)continue;const e=new Gh;e.curves=t.subPath.curves,n.push(e),a.set(t,e)}for(const t of r){if(t.exclude||"hole"!==t.role)continue;const e=a.get(t.container);if(!e)continue;const s=new Zh;s.curves=t.subPath.curves,e.holes.push(s)}return n}}class cp extends di{constructor(t,e=null){super(),this.object=t,this.domElement=e,this.enabled=!0,this.state=-1,this.keys={},this.mouseButtons={LEFT:null,MIDDLE:null,RIGHT:null},this.touches={ONE:null,TWO:null}}connect(t){void 0!==t?(null!==this.domElement&&this.disconnect(),this.domElement=t):ai("Controls: connect() now requires an element.")}disconnect(){}dispose(){}update(){}}function up(t,e,s,i){const r=function(t){switch(t){case zt:case Ct:return{byteLength:1,components:1};case Bt:case It:case Rt:return{byteLength:2,components:1};case Et:case Nt:return{byteLength:2,components:4};case Ot:case kt:case Pt:return{byteLength:4,components:1};case Lt:case Ft:return{byteLength:4,components:3}}throw new Error(`THREE.TextureUtils: Unknown texture type ${t}.`)}(i);switch(s){case 1021:return t*e;case qt:case Ht:return t*e/r.components*r.byteLength;case 1030:case 1031:return t*e*2/r.components*r.byteLength;case 1022:return t*e*3/r.components*r.byteLength;case jt:case 1033:return t*e*4/r.components*r.byteLength;case 33776:case 33777:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 33778:case 33779:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 35841:case 35843:return Math.max(t,16)*Math.max(e,8)/4;case 35840:case 35842:return Math.max(t,8)*Math.max(e,8)/2;case 36196:case 37492:case 37488:case 37489:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 37496:case 37490:case 37491:case 37808:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 37809:return Math.floor((t+4)/5)*Math.floor((e+3)/4)*16;case 37810:return Math.floor((t+4)/5)*Math.floor((e+4)/5)*16;case 37811:return Math.floor((t+5)/6)*Math.floor((e+4)/5)*16;case 37812:return Math.floor((t+5)/6)*Math.floor((e+5)/6)*16;case 37813:return Math.floor((t+7)/8)*Math.floor((e+4)/5)*16;case 37814:return Math.floor((t+7)/8)*Math.floor((e+5)/6)*16;case 37815:return Math.floor((t+7)/8)*Math.floor((e+7)/8)*16;case 37816:return Math.floor((t+9)/10)*Math.floor((e+4)/5)*16;case 37817:return Math.floor((t+9)/10)*Math.floor((e+5)/6)*16;case 37818:return Math.floor((t+9)/10)*Math.floor((e+7)/8)*16;case 37819:return Math.floor((t+9)/10)*Math.floor((e+9)/10)*16;case 37820:return Math.floor((t+11)/12)*Math.floor((e+9)/10)*16;case 37821:return Math.floor((t+11)/12)*Math.floor((e+11)/12)*16;case 36492:case 36494:case 36495:return Math.ceil(t/4)*Math.ceil(e/4)*16;case 36283:case 36284:return Math.ceil(t/4)*Math.ceil(e/4)*8;case 36285:case 36286:return Math.ceil(t/4)*Math.ceil(e/4)*16}throw new Error(`Unable to determine texture byte length for ${s} format.`)}class dp{static contain(t,e){return function(t,e){const s=t.image&&t.image.width?t.image.width/t.image.height:1;return s>e?(t.repeat.x=1,t.repeat.y=s/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2):(t.repeat.x=e/s,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0),t}(t,e)}static cover(t,e){return function(t,e){const s=t.image&&t.image.width?t.image.width/t.image.height:1;return s>e?(t.repeat.x=e/s,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0):(t.repeat.x=1,t.repeat.y=s/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2),t}(t,e)}static fill(t){return function(t){return t.repeat.x=1,t.repeat.y=1,t.offset.x=0,t.offset.y=0,t}(t)}static getByteLength(t,e,s,i){return up(t,e,s,i)}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:t}})),"undefined"!=typeof window&&(window.__THREE__?ai("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=t);export{st as ACESFilmicToneMapping,w as AddEquation,$ as AddOperation,Je as AdditiveAnimationBlendMode,g as AdditiveBlending,rt as AgXToneMapping,Dt as AlphaFormat,ks as AlwaysCompare,j as AlwaysDepth,Ss as AlwaysStencilFunc,lu as AmbientLight,nd as AnimationAction,Ac as AnimationClip,Ec as AnimationLoader,od as AnimationMixer,rd as AnimationObjectGroup,uc as AnimationUtils,Ih as ArcCurve,Ru as ArrayCamera,op as ArrowHelper,at as AttachedBindMode,Wu as Audio,Zu as AudioAnalyser,Tu as AudioContext,ju as AudioListener,zu as AudioLoader,hp as AxesHelper,d as BackSide,Ye as BasicDepthPacking,o as BasicShadowMap,Eo as BatchedMesh,gc as BezierInterpolant,Ha as Bone,xc as BooleanKeyframeTrack,Sd as Box2,Qr as Box3,sp as Box3Helper,yh as BoxGeometry,ep as BoxHelper,Mn as BufferAttribute,Wn as BufferGeometry,fu as BufferGeometryLoader,Ct as ByteType,zc as Cache,$c as Camera,Qd as CameraHelper,ch as CanvasTexture,gh as CapsuleGeometry,Nh as CatmullRomCurve3,et as CineonToneMapping,fh as CircleGeometry,yt as ClampToEdgeWrapping,xd as Clock,Pr as Color,bc as ColorKeyframeTrack,Ri as ColorManagement,Ys as Compatibility,oh as CompressedArrayTexture,hh as CompressedCubeTexture,ah as CompressedTexture,Nc as CompressedTextureLoader,bh as ConeGeometry,F as ConstantAlphaFactor,V as ConstantColorFactor,cp as Controls,Pu as CubeCamera,ph as CubeDepthTexture,lt as CubeReflectionMapping,ct as CubeRefractionMapping,lh as CubeTexture,Fc as CubeTextureLoader,pt as CubeUVReflectionMapping,Dh as CubicBezierCurve,Uh as CubicBezierCurve3,pc as CubicInterpolant,r as CullFaceBack,n as CullFaceFront,a as CullFaceFrontBack,i as CullFaceNone,zh as Curve,Yh as CurvePath,b as CustomBlending,it as CustomToneMapping,xh as CylinderGeometry,vd as Cylindrical,Gi as Data3DTexture,Yi as DataArrayTexture,Xa as DataTexture,Dc as DataTextureLoader,xn as DataUtils,ds as DecrementStencilOp,ms as DecrementWrapStencilOp,Bc as DefaultLoadingManager,Wt as DepthFormat,Jt as DepthStencilFormat,dh as DepthTexture,ot as DetachedBindMode,hu as DirectionalLight,Zd as DirectionalLightHelper,yc as DiscreteInterpolant,wh as DodecahedronGeometry,p as DoubleSide,O as DstAlphaFactor,R as DstColorFactor,Fs as DynamicCopyUsage,Ps as DynamicDrawUsage,Ns as DynamicReadUsage,Th as EdgesGeometry,Ch as EllipseCurve,Ts as EqualCompare,q as EqualDepth,xs as EqualStencilFunc,ut as EquirectangularReflectionMapping,dt as EquirectangularRefractionMapping,hr as Euler,di as EventDispatcher,mh as ExternalTexture,zl as ExtrudeGeometry,Rc as FileLoader,Bn as Float16BufferAttribute,kn as Float32BufferAttribute,Pt as FloatType,Nr as Fog,Er as FogExp2,nh as FramebufferTexture,u as FrontSide,mo as Frustum,go as FrustumArray,pd as GLBufferAttribute,Us as GLSL1,js as GLSL3,Cs as GreaterCompare,X as GreaterDepth,Bs as GreaterEqualCompare,H as GreaterEqualDepth,Ms as GreaterEqualStencilFunc,vs as GreaterStencilFunc,Jd as GridHelper,Tr as Group,uh as HTMLTexture,Rt as HalfFloatType,Wc as HemisphereLight,Wd as HemisphereLightHelper,Il as IcosahedronGeometry,_u as ImageBitmapLoader,Lc as ImageLoader,Li as ImageUtils,us as IncrementStencilOp,ps as IncrementWrapStencilOp,$a as InstancedBufferAttribute,gu as InstancedBufferGeometry,dd as InstancedInterleavedBuffer,no as InstancedMesh,Tn as Int16BufferAttribute,Cn as Int32BufferAttribute,Sn as Int8BufferAttribute,kt as IntType,Jn as InterleavedBuffer,Hn as InterleavedBufferAttribute,dc as Interpolant,Fe as InterpolateBezier,Ne as InterpolateDiscrete,Ve as InterpolateLinear,Le as InterpolateSmooth,Xs as InterpolationSamplingMode,Hs as InterpolationSamplingType,ys as InvertStencilOp,ls as KeepStencilOp,fc as KeyframeTrack,pa as LOD,Bl as LatheGeometry,lr as Layers,As as LessCompare,W as LessDepth,zs as LessEqualCompare,J as LessEqualDepth,bs as LessEqualStencilFunc,fs as LessStencilFunc,jc as Light,du as LightProbe,Jo as Line,kd as Line3,No as LineBasicMaterial,jh as LineCurve,Wh as LineCurve3,ac as LineDashedMaterial,Zo as LineLoop,Yo as LineSegments,Mt as LinearFilter,mc as LinearInterpolant,Tt as LinearMipMapLinearFilter,_t as LinearMipMapNearestFilter,At as LinearMipmapLinearFilter,St as LinearMipmapNearestFilter,ss as LinearSRGBColorSpace,K as LinearToneMapping,is as LinearTransfer,kc as Loader,yu as LoaderUtils,Ic as LoadingManager,Pe as LoopOnce,Ee as LoopPingPong,Re as LoopRepeat,e as MOUSE,Zn as Material,v as MaterialBlending,mu as MaterialLoader,Si as MathUtils,wd as Matrix2,Ii as Matrix3,Qi as Matrix4,A as MaxEquation,Ra as Mesh,Ma as MeshBasicMaterial,ic as MeshDepthMaterial,rc as MeshDistanceMaterial,sc as MeshLambertMaterial,nc as MeshMatcapMaterial,ec as MeshNormalMaterial,Kl as MeshPhongMaterial,Ql as MeshPhysicalMaterial,$l as MeshStandardMaterial,tc as MeshToonMaterial,_ as MinEquation,gt as MirroredRepeatWrapping,G as MixOperation,x as MultiplyBlending,Z as MultiplyOperation,ft as NearestFilter,wt as NearestMipMapLinearFilter,bt as NearestMipMapNearestFilter,vt as NearestMipmapLinearFilter,xt as NearestMipmapNearestFilter,nt as NeutralToneMapping,_s as NeverCompare,U as NeverDepth,gs as NeverStencilFunc,m as NoBlending,ts as NoColorSpace,ns as NoNormalPacking,Q as NoToneMapping,We as NormalAnimationBlendMode,y as NormalBlending,os as NormalGAPacking,as as NormalRGPacking,Is as NotEqualCompare,Y as NotEqualDepth,ws as NotEqualStencilFunc,vc as NumberKeyframeTrack,Ar as Object3D,bu as ObjectLoader,Ke as ObjectSpaceNormalMap,kl as OctahedronGeometry,z as OneFactor,D as OneMinusConstantAlphaFactor,L as OneMinusConstantColorFactor,P as OneMinusDstAlphaFactor,E as OneMinusDstColorFactor,k as OneMinusSrcAlphaFactor,I as OneMinusSrcColorFactor,au as OrthographicCamera,h as PCFShadowMap,l as PCFSoftShadowMap,Zh as Path,eu as PerspectiveCamera,lo as Plane,Ol as PlaneGeometry,ip as PlaneHelper,nu as PointLight,Fd as PointLightHelper,eh as Points,Go as PointsMaterial,qd as PolarGridHelper,vh as PolyhedronGeometry,Yu as PositionalAudio,id as PropertyBinding,Gu as PropertyMixer,Jh as QuadraticBezierCurve,qh as QuadraticBezierCurve3,Ai as Quaternion,Mc as QuaternionKeyframeTrack,wc as QuaternionLinearInterpolant,he as R11_EAC_Format,gi as RAD2DEG,ke as RED_GREEN_RGTC2_Format,Ie as RED_RGTC1_Format,t as REVISION,ce as RG11_EAC_Format,Ze as RGBADepthPacking,jt as RGBAFormat,Gt as RGBAIntegerFormat,Se as RGBA_ASTC_10x10_Format,ve as RGBA_ASTC_10x5_Format,we as RGBA_ASTC_10x6_Format,Me as RGBA_ASTC_10x8_Format,_e as RGBA_ASTC_12x10_Format,Ae as RGBA_ASTC_12x12_Format,de as RGBA_ASTC_4x4_Format,pe as RGBA_ASTC_5x4_Format,me as RGBA_ASTC_5x5_Format,ye as RGBA_ASTC_6x5_Format,ge as RGBA_ASTC_6x6_Format,fe as RGBA_ASTC_8x5_Format,xe as RGBA_ASTC_8x6_Format,be as RGBA_ASTC_8x8_Format,Te as RGBA_BPTC_Format,oe as RGBA_ETC2_EAC_Format,re as RGBA_PVRTC_2BPPV1_Format,ie as RGBA_PVRTC_4BPPV1_Format,Qt as RGBA_S3TC_DXT1_Format,Kt as RGBA_S3TC_DXT3_Format,te as RGBA_S3TC_DXT5_Format,Ge as RGBDepthPacking,Ut as RGBFormat,Zt as RGBIntegerFormat,ze as RGB_BPTC_SIGNED_Format,Ce as RGB_BPTC_UNSIGNED_Format,ne as RGB_ETC1_Format,ae as RGB_ETC2_Format,se as RGB_PVRTC_2BPPV1_Format,ee as RGB_PVRTC_4BPPV1_Format,$t as RGB_S3TC_DXT1_Format,$e as RGDepthPacking,Xt as RGFormat,Yt as RGIntegerFormat,Gl as RawShaderMaterial,wa as Ray,yd as Raycaster,cu as RectAreaLight,qt as RedFormat,Ht as RedIntegerFormat,tt as ReinhardToneMapping,Hi as RenderTarget,hd as RenderTarget3D,mt as RepeatWrapping,cs as ReplaceStencilOp,S as ReverseSubtractEquation,ui as ReversedDepthFuncs,Pl as RingGeometry,le as SIGNED_R11_EAC_Format,Oe as SIGNED_RED_GREEN_RGTC2_Format,Be as SIGNED_RED_RGTC1_Format,ue as SIGNED_RG11_EAC_Format,es as SRGBColorSpace,rs as SRGBTransfer,Vr as Scene,Zl as ShaderMaterial,Wl as ShadowMaterial,Gh as Shape,Rl as ShapeGeometry,lp as ShapePath,_l as ShapeUtils,It as ShortType,Ga as Skeleton,Vd as SkeletonHelper,qa as SkinnedMesh,Di as Source,En as Sphere,El as SphereGeometry,bd as Spherical,uu as SphericalHarmonics3,Hh as SplineCurve,iu as SpotLight,Pd as SpotLightHelper,la as Sprite,Gn as SpriteMaterial,B as SrcAlphaFactor,N as SrcAlphaSaturateFactor,C as SrcColorFactor,Ls as StaticCopyUsage,Os as StaticDrawUsage,Es as StaticReadUsage,ku as StereoCamera,Ds as StreamCopyUsage,Rs as StreamDrawUsage,Vs as StreamReadUsage,Sc as StringKeyframeTrack,M as SubtractEquation,f as SubtractiveBlending,s as TOUCH,Qe as TangentSpaceNormalMap,Nl as TetrahedronGeometry,Ji as Texture,Uc as TextureLoader,dp as TextureUtils,Eu as Timer,qs as TimestampQuery,Vl as TorusGeometry,Ll as TorusKnotGeometry,$r as Triangle,Xe as TriangleFanDrawMode,He as TriangleStripDrawMode,qe as TrianglesDrawMode,Fl as TubeGeometry,ht as UVMapping,zn as Uint16BufferAttribute,In as Uint32BufferAttribute,_n as Uint8BufferAttribute,An as Uint8ClampedBufferAttribute,ld as Uniform,ud as UniformsGroup,Yl as UniformsUtils,zt as UnsignedByteType,Ft as UnsignedInt101111Type,Vt as UnsignedInt248Type,Lt as UnsignedInt5999Type,Ot as UnsignedIntType,Et as UnsignedShort4444Type,Nt as UnsignedShort5551Type,Bt as UnsignedShortType,c as VSMShadowMap,_i as Vector2,Ti as Vector3,qi as Vector4,_c as VectorKeyframeTrack,rh as VideoFrameTexture,ih as VideoTexture,$i as WebGL3DRenderTarget,Zi as WebGLArrayRenderTarget,Ws as WebGLCoordinateSystem,Xi as WebGLRenderTarget,Js as WebGPUCoordinateSystem,Cr as WebXRController,Dl as WireframeGeometry,je as WrapAroundEnding,De as ZeroCurvatureEnding,T as ZeroFactor,Ue as ZeroSlopeEnding,hs as ZeroStencilOp,Jl as cloneUniforms,Ks as createCanvasElement,Qs as createElementNS,oi as error,up as getByteLength,ii as getConsoleFunction,Xl as getUnlitUniformColorSpace,$s as isTypedArray,ri as log,ql as mergeUniforms,ci as probeAsync,si as setConsoleFunction,ai as warn,hi as warnOnce,li as yieldToMain};
diff --git a/vendor/three.module.min.js b/vendor/three.module.min.js
new file mode 100644
index 0000000..5ae623c
--- /dev/null
+++ b/vendor/three.module.min.js
@@ -0,0 +1,6 @@
+/**
+ * @license
+ * Copyright 2010-2026 Three.js Authors
+ * SPDX-License-Identifier: MIT
+ */
+import{Matrix3 as e,Vector2 as t,Color as n,Vector3 as i,mergeUniforms as r,CubeUVReflectionMapping as a,Mesh as o,BoxGeometry as s,ShaderMaterial as l,BackSide as c,cloneUniforms as d,Matrix4 as u,ColorManagement as f,SRGBTransfer as p,PlaneGeometry as m,FrontSide as h,getUnlitUniformColorSpace as _,IntType as g,warn as v,HalfFloatType as E,UnsignedByteType as S,FloatType as M,RGBAFormat as T,Plane as x,CubeReflectionMapping as R,CubeRefractionMapping as A,BufferGeometry as b,OrthographicCamera as C,PerspectiveCamera as P,NoToneMapping as L,MeshBasicMaterial as U,error as D,NoBlending as w,WebGLRenderTarget as I,BufferAttribute as N,LinearSRGBColorSpace as y,LinearFilter as O,CubeTexture as F,LinearMipmapLinearFilter as B,CubeCamera as G,EquirectangularReflectionMapping as H,EquirectangularRefractionMapping as V,warnOnce as W,Uint32BufferAttribute as z,Uint16BufferAttribute as k,DataArrayTexture as X,Vector4 as K,DepthTexture as Y,Float32BufferAttribute as q,RawShaderMaterial as j,CustomToneMapping as Z,NeutralToneMapping as $,AgXToneMapping as Q,ACESFilmicToneMapping as J,CineonToneMapping as ee,ReinhardToneMapping as te,LinearToneMapping as ne,Data3DTexture as ie,GreaterEqualCompare as re,LessEqualCompare as ae,Texture as oe,GLSL3 as se,VSMShadowMap as le,PCFShadowMap as ce,AddOperation as de,MixOperation as ue,MultiplyOperation as fe,LinearTransfer as pe,UniformsUtils as me,DoubleSide as he,NormalBlending as _e,TangentSpaceNormalMap as ge,ObjectSpaceNormalMap as ve,Layers as Ee,RGFormat as Se,RG11_EAC_Format as Me,RED_GREEN_RGTC2_Format as Te,MeshDepthMaterial as xe,MeshDistanceMaterial as Re,PCFSoftShadowMap as Ae,DepthFormat as be,NearestFilter as Ce,CubeDepthTexture as Pe,UnsignedIntType as Le,Frustum as Ue,LessEqualDepth as De,ReverseSubtractEquation as we,SubtractEquation as Ie,AddEquation as Ne,OneMinusConstantAlphaFactor as ye,ConstantAlphaFactor as Oe,OneMinusConstantColorFactor as Fe,ConstantColorFactor as Be,OneMinusDstAlphaFactor as Ge,OneMinusDstColorFactor as He,OneMinusSrcAlphaFactor as Ve,OneMinusSrcColorFactor as We,DstAlphaFactor as ze,DstColorFactor as ke,SrcAlphaSaturateFactor as Xe,SrcAlphaFactor as Ke,SrcColorFactor as Ye,OneFactor as qe,ZeroFactor as je,NotEqualDepth as Ze,GreaterDepth as $e,GreaterEqualDepth as Qe,EqualDepth as Je,LessDepth as et,AlwaysDepth as tt,NeverDepth as nt,CullFaceNone as it,CullFaceBack as rt,CullFaceFront as at,CustomBlending as ot,MultiplyBlending as st,SubtractiveBlending as lt,AdditiveBlending as ct,ReversedDepthFuncs as dt,MinEquation as ut,MaxEquation as ft,MirroredRepeatWrapping as pt,ClampToEdgeWrapping as mt,RepeatWrapping as ht,LinearMipmapNearestFilter as _t,NearestMipmapLinearFilter as gt,NearestMipmapNearestFilter as vt,NotEqualCompare as Et,GreaterCompare as St,EqualCompare as Mt,LessCompare as Tt,AlwaysCompare as xt,NeverCompare as Rt,NoColorSpace as At,DepthStencilFormat as bt,getByteLength as Ct,UnsignedInt248Type as Pt,UnsignedShortType as Lt,createElementNS as Ut,UnsignedShort4444Type as Dt,UnsignedShort5551Type as wt,UnsignedInt5999Type as It,UnsignedInt101111Type as Nt,ByteType as yt,ShortType as Ot,AlphaFormat as Ft,RGBFormat as Bt,RedFormat as Gt,RedIntegerFormat as Ht,RGIntegerFormat as Vt,RGBAIntegerFormat as Wt,RGB_S3TC_DXT1_Format as zt,RGBA_S3TC_DXT1_Format as kt,RGBA_S3TC_DXT3_Format as Xt,RGBA_S3TC_DXT5_Format as Kt,RGB_PVRTC_4BPPV1_Format as Yt,RGB_PVRTC_2BPPV1_Format as qt,RGBA_PVRTC_4BPPV1_Format as jt,RGBA_PVRTC_2BPPV1_Format as Zt,RGB_ETC1_Format as $t,RGB_ETC2_Format as Qt,RGBA_ETC2_EAC_Format as Jt,R11_EAC_Format as en,SIGNED_R11_EAC_Format as tn,SIGNED_RG11_EAC_Format as nn,RGBA_ASTC_4x4_Format as rn,RGBA_ASTC_5x4_Format as an,RGBA_ASTC_5x5_Format as on,RGBA_ASTC_6x5_Format as sn,RGBA_ASTC_6x6_Format as ln,RGBA_ASTC_8x5_Format as cn,RGBA_ASTC_8x6_Format as dn,RGBA_ASTC_8x8_Format as un,RGBA_ASTC_10x5_Format as fn,RGBA_ASTC_10x6_Format as pn,RGBA_ASTC_10x8_Format as mn,RGBA_ASTC_10x10_Format as hn,RGBA_ASTC_12x10_Format as _n,RGBA_ASTC_12x12_Format as gn,RGBA_BPTC_Format as vn,RGB_BPTC_SIGNED_Format as En,RGB_BPTC_UNSIGNED_Format as Sn,RED_RGTC1_Format as Mn,SIGNED_RED_RGTC1_Format as Tn,SIGNED_RED_GREEN_RGTC2_Format as xn,ExternalTexture as Rn,EventDispatcher as An,ArrayCamera as bn,WebXRController as Cn,RAD2DEG as Pn,DataTexture as Ln,createCanvasElement as Un,SRGBColorSpace as Dn,REVISION as wn,log as In,WebGLCoordinateSystem as Nn,probeAsync as yn}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AlwaysStencilFunc,AmbientLight,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BasicShadowMap,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,Compatibility,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CylinderGeometry,Cylindrical,DataTextureLoader,DataUtils,DecrementStencilOp,DecrementWrapStencilOp,DefaultLoadingManager,DetachedBindMode,DirectionalLight,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicDrawUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,EqualStencilFunc,Euler,ExtrudeGeometry,FileLoader,Float16BufferAttribute,Fog,FogExp2,FramebufferTexture,FrustumArray,GLBufferAttribute,GLSL1,GreaterEqualStencilFunc,GreaterStencilFunc,GridHelper,Group,HTMLTexture,HemisphereLight,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,IncrementStencilOp,IncrementWrapStencilOp,InstancedBufferAttribute,InstancedBufferGeometry,InstancedInterleavedBuffer,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,InterleavedBuffer,InterleavedBufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,InvertStencilOp,KeepStencilOp,KeyframeTrack,LOD,LatheGeometry,LessEqualStencilFunc,LessStencilFunc,Light,LightProbe,Line,Line3,LineBasicMaterial,LineCurve,LineCurve3,LineDashedMaterial,LineLoop,LineSegments,LinearInterpolant,LinearMipMapLinearFilter,LinearMipMapNearestFilter,Loader,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,Material,MaterialBlending,MaterialLoader,MathUtils,Matrix2,MeshLambertMaterial,MeshMatcapMaterial,MeshNormalMaterial,MeshPhongMaterial,MeshPhysicalMaterial,MeshStandardMaterial,MeshToonMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NeverStencilFunc,NoNormalPacking,NormalAnimationBlendMode,NormalGAPacking,NormalRGPacking,NotEqualStencilFunc,NumberKeyframeTrack,Object3D,ObjectLoader,OctahedronGeometry,Path,PlaneHelper,PointLight,PointLightHelper,Points,PointsMaterial,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,Quaternion,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGBIntegerFormat,RGDepthPacking,Ray,Raycaster,RectAreaLight,RenderTarget,RenderTarget3D,ReplaceStencilOp,RingGeometry,Scene,ShadowMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Sphere,SphereGeometry,Spherical,SphericalHarmonics3,SplineCurve,SpotLight,SpotLightHelper,Sprite,SpriteMaterial,StaticCopyUsage,StaticDrawUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TimestampQuery,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,UVMapping,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGPUCoordinateSystem,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,ZeroStencilOp,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";function On(){let e=null,t=!1,n=null,i=null;function r(t,a){n(t,a),i=e.requestAnimationFrame(r)}return{start:function(){!0!==t&&null!==n&&null!==e&&(i=e.requestAnimationFrame(r),t=!0)},stop:function(){null!==e&&e.cancelAnimationFrame(i),t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function Fn(e){const t=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),t.get(e)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);const i=t.get(n);i&&(e.deleteBuffer(i.buffer),t.delete(n))},update:function(n,i){if(n.isInterleavedBufferAttribute&&(n=n.data),n.isGLBufferAttribute){const e=t.get(n);return void((!e||e.version<n.version)&&t.set(n,{buffer:n.buffer,type:n.type,bytesPerElement:n.elementSize,version:n.version}))}const r=t.get(n);if(void 0===r)t.set(n,function(t,n){const i=t.array,r=t.usage,a=i.byteLength,o=e.createBuffer();let s;if(e.bindBuffer(n,o),e.bufferData(n,i,r),t.onUploadCallback(),i instanceof Float32Array)s=e.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)s=e.HALF_FLOAT;else if(i instanceof Uint16Array)s=t.isFloat16BufferAttribute?e.HALF_FLOAT:e.UNSIGNED_SHORT;else if(i instanceof Int16Array)s=e.SHORT;else if(i instanceof Uint32Array)s=e.UNSIGNED_INT;else if(i instanceof Int32Array)s=e.INT;else if(i instanceof Int8Array)s=e.BYTE;else if(i instanceof Uint8Array)s=e.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+i);s=e.UNSIGNED_BYTE}return{buffer:o,type:s,bytesPerElement:i.BYTES_PER_ELEMENT,version:t.version,size:a}}(n,i));else if(r.version<n.version){if(r.size!==n.array.byteLength)throw new Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported.");!function(t,n,i){const r=n.array,a=n.updateRanges;if(e.bindBuffer(i,t),0===a.length)e.bufferSubData(i,0,r);else{a.sort((e,t)=>e.start-t.start);let t=0;for(let e=1;e<a.length;e++){const n=a[t],i=a[e];i.start<=n.start+n.count+1?n.count=Math.max(n.count,i.start+i.count-n.start):(++t,a[t]=i)}a.length=t+1;for(let t=0,n=a.length;t<n;t++){const n=a[t];e.bufferSubData(i,n.start*r.BYTES_PER_ELEMENT,r,n.start,n.count)}n.clearUpdateRanges()}n.onUploadCallback()}(r.buffer,n,i),r.version=n.version}}}}const Bn={alphahash_fragment:"#ifdef USE_ALPHAHASH\n\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif",alphahash_pars_fragment:"#ifdef USE_ALPHAHASH\n\tconst float ALPHA_HASH_SCALE = 0.05;\n\tfloat hash2D( vec2 value ) {\n\t\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n\t}\n\tfloat hash3D( vec3 value ) {\n\t\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\n\t}\n\tfloat getAlphaHashThreshold( vec3 position ) {\n\t\tfloat maxDeriv = max(\n\t\t\tlength( dFdx( position.xyz ) ),\n\t\t\tlength( dFdy( position.xyz ) )\n\t\t);\n\t\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n\t\tvec2 pixScales = vec2(\n\t\t\texp2( floor( log2( pixScale ) ) ),\n\t\t\texp2( ceil( log2( pixScale ) ) )\n\t\t);\n\t\tvec2 alpha = vec2(\n\t\t\thash3D( floor( pixScales.x * position.xyz ) ),\n\t\t\thash3D( floor( pixScales.y * position.xyz ) )\n\t\t);\n\t\tfloat lerpFactor = fract( log2( pixScale ) );\n\t\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n\t\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\n\t\tvec3 cases = vec3(\n\t\t\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\n\t\t\t( x - 0.5 * a ) / ( 1.0 - a ),\n\t\t\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n\t\t);\n\t\tfloat threshold = ( x < ( 1.0 - a ) )\n\t\t\t? ( ( x < a ) ? cases.x : cases.y )\n\t\t\t: cases.z;\n\t\treturn clamp( threshold , 1.0e-6, 1.0 );\n\t}\n#endif",alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\t#ifdef ALPHA_TO_COVERAGE\n\tdiffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\n\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\tif ( diffuseColor.a < alphaTest ) discard;\n\t#endif\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_CLEARCOAT ) \n\t\tclearcoatSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_SHEEN ) \n\t\tsheenSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",batching_pars_vertex:"#ifdef USE_BATCHING\n\t#if ! defined( GL_ANGLE_multi_draw )\n\t#define gl_DrawID _gl_DrawID\n\tuniform int _gl_DrawID;\n\t#endif\n\tuniform highp sampler2D batchingTexture;\n\tuniform highp usampler2D batchingIdTexture;\n\tmat4 getBatchingMatrix( const in float i ) {\n\t\tint size = textureSize( batchingTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n\tfloat getIndirectIndex( const in int i ) {\n\t\tint size = textureSize( batchingIdTexture, 0 ).x;\n\t\tint x = i % size;\n\t\tint y = i / size;\n\t\treturn float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );\n\t}\n#endif\n#ifdef USE_BATCHING_COLOR\n\tuniform sampler2D batchingColorTexture;\n\tvec4 getBatchingColor( const in float i ) {\n\t\tint size = textureSize( batchingColorTexture, 0 ).x;\n\t\tint j = int( i );\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\treturn texelFetch( batchingColorTexture, ivec2( x, y ), 0 );\n\t}\n#endif",batching_vertex:"#ifdef USE_BATCHING\n\tmat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );\n#endif",begin_vertex:"vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n\tvPosition = vec3( position );\n#endif",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"float G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n} // validated",iridescence_fragment:"#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660,  0.0556434,\n\t\t-1.5371385,  1.8760108, -0.2040259,\n\t\t-0.4985314,  0.0415560,  1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\treturn vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vBumpMapUv );\n\t\tvec2 dSTdy = dFdy( vBumpMapUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\n\t\tvec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec4 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec4( 1.0 );\n#endif\n#ifdef USE_COLOR_ALPHA\n\tvColor *= color;\n#elif defined( USE_COLOR )\n\tvColor.rgb *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.rgb *= instanceColor.rgb;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvColor *= getBatchingColor( getIndirectIndex( gl_DrawID ) );\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\n#define inverseTransformDirection transformDirectionByInverseViewMatrix\nvec3 transformNormalByInverseViewMatrix( in vec3 normal, in mat4 viewMatrix ) {\n\treturn normalize( ( vec4( normal, 0.0 ) * viewMatrix ).xyz );\n}\nvec3 transformDirectionByInverseViewMatrix( in vec3 dir, in mat4 viewMatrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * viewMatrix ).xyz );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\n\t\temissiveColor = sRGBTransferEOTF( emissiveColor );\n\t#endif\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"vec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferEOTF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = transformNormalByInverseViewMatrix( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * reflectVec );\n\t\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t\t#endif\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = transformNormalByInverseViewMatrix( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, pow4( roughness ) ) );\n\t\t\treflectVec = transformDirectionByInverseViewMatrix( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = transformNormalByInverseViewMatrix( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = transformNormalByInverseViewMatrix( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif\n#include <lightprobes_pars_fragment>",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.diffuseContribution = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.metalness = metalnessFactor;\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor;\n\tmaterial.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = vec3( 0.04 );\n\tmaterial.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.0001, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"uniform sampler2D dfgLUT;\nstruct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tvec3 diffuseContribution;\n\tvec3 specularColor;\n\tvec3 specularColorBlended;\n\tfloat roughness;\n\tfloat metalness;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t\tvec3 iridescenceFresnelDielectric;\n\t\tvec3 iridescenceFresnelMetallic;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n    float x2 = x * x;\n    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\treturn 0.5 / max( gv + gl, EPSILON );\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColorBlended;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transpose( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat rInv = 1.0 / ( roughness + 0.1 );\n\tfloat a = -1.9362 + 1.0678 * roughness + 0.4573 * r2 - 0.8469 * rInv;\n\tfloat b = -0.6014 + 0.5538 * roughness - 0.4670 * r2 - 0.1255 * rInv;\n\tfloat DG = exp( a * dotNV + b );\n\treturn saturate( DG );\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nvec3 BRDF_GGX_Multiscatter( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 singleScatter = BRDF_GGX( lightDir, viewDir, normal, material );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 dfgV = texture2D( dfgLUT, vec2( material.roughness, dotNV ) ).rg;\n\tvec2 dfgL = texture2D( dfgLUT, vec2( material.roughness, dotNL ) ).rg;\n\tvec3 FssEss_V = material.specularColorBlended * dfgV.x + material.specularF90 * dfgV.y;\n\tvec3 FssEss_L = material.specularColorBlended * dfgL.x + material.specularF90 * dfgL.y;\n\tfloat Ess_V = dfgV.x + dfgV.y;\n\tfloat Ess_L = dfgL.x + dfgL.y;\n\tfloat Ems_V = 1.0 - Ess_V;\n\tfloat Ems_L = 1.0 - Ess_L;\n\tvec3 Favg = material.specularColorBlended + ( 1.0 - material.specularColorBlended ) * 0.047619;\n\tvec3 Fms = FssEss_V * FssEss_L * Favg / ( 1.0 - Ems_V * Ems_L * Favg + EPSILON );\n\tfloat compensationFactor = Ems_V * Ems_L;\n\tvec3 multiScatter = Fms * compensationFactor;\n\treturn singleScatter + multiScatter;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColorBlended * t2.x + ( material.specularF90 - material.specularColorBlended ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseContribution * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t\t#ifdef USE_CLEARCOAT\n\t\t\tvec3 Ncc = geometryClearcoatNormal;\n\t\t\tvec2 uvClearcoat = LTC_Uv( Ncc, viewDir, material.clearcoatRoughness );\n\t\t\tvec4 t1Clearcoat = texture2D( ltc_1, uvClearcoat );\n\t\t\tvec4 t2Clearcoat = texture2D( ltc_2, uvClearcoat );\n\t\t\tmat3 mInvClearcoat = mat3(\n\t\t\t\tvec3( t1Clearcoat.x, 0, t1Clearcoat.y ),\n\t\t\t\tvec3(             0, 1,             0 ),\n\t\t\t\tvec3( t1Clearcoat.z, 0, t1Clearcoat.w )\n\t\t\t);\n\t\t\tvec3 fresnelClearcoat = material.clearcoatF0 * t2Clearcoat.x + ( material.clearcoatF90 - material.clearcoatF0 ) * t2Clearcoat.y;\n\t\t\tclearcoatSpecularDirect += lightColor * fresnelClearcoat * LTC_Evaluate( Ncc, viewDir, position, mInvClearcoat, rectCoords );\n\t\t#endif\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n \n \t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n \n \t\tfloat sheenAlbedoV = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n \t\tfloat sheenAlbedoL = IBLSheenBRDF( geometryNormal, directLight.direction, material.sheenRoughness );\n \n \t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * max( sheenAlbedoV, sheenAlbedoL );\n \n \t\tirradiance *= sheenEnergyComp;\n \n \t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX_Multiscatter( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseContribution );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 diffuse = irradiance * BRDF_Lambert( material.diffuseContribution );\n\t#ifdef USE_SHEEN\n\t\tfloat sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;\n\t\tdiffuse *= sheenEnergyComp;\n\t#endif\n\treflectedLight.indirectDiffuse += diffuse;\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ) * RECIPROCAL_PI;\n \t#endif\n\tvec3 singleScatteringDielectric = vec3( 0.0 );\n\tvec3 multiScatteringDielectric = vec3( 0.0 );\n\tvec3 singleScatteringMetallic = vec3( 0.0 );\n\tvec3 multiScatteringMetallic = vec3( 0.0 );\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnelDielectric, material.roughness, singleScatteringDielectric, multiScatteringDielectric );\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.iridescence, material.iridescenceFresnelMetallic, material.roughness, singleScatteringMetallic, multiScatteringMetallic );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScatteringDielectric, multiScatteringDielectric );\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.roughness, singleScatteringMetallic, multiScatteringMetallic );\n\t#endif\n\tvec3 singleScattering = mix( singleScatteringDielectric, singleScatteringMetallic, material.metalness );\n\tvec3 multiScattering = mix( multiScatteringDielectric, multiScatteringMetallic, material.metalness );\n\tvec3 totalScatteringDielectric = singleScatteringDielectric + multiScatteringDielectric;\n\tvec3 diffuse = material.diffuseContribution * ( 1.0 - totalScatteringDielectric );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tvec3 indirectSpecular = radiance * singleScattering;\n\tindirectSpecular += multiScattering * cosineWeightedIrradiance;\n\tvec3 indirectDiffuse = diffuse * cosineWeightedIrradiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;\n\t\tindirectSpecular *= sheenEnergyComp;\n\t\tindirectDiffuse *= sheenEnergyComp;\n\t#endif\n\treflectedLight.indirectSpecular += indirectSpecular;\n\treflectedLight.indirectDiffuse += indirectDiffuse;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnelDielectric = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceFresnelMetallic = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.diffuseColor );\n\t\tmaterial.iridescenceFresnel = mix( material.iridescenceFresnelDielectric, material.iridescenceFresnelMetallic, material.metalness );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#ifdef USE_LIGHT_PROBES_GRID\n\t\tvec3 probeWorldPos = ( ( vec4( geometryPosition, 1.0 ) - viewMatrix[ 3 ] ) * viewMatrix ).xyz;\n\t\tvec3 probeWorldNormal = transformNormalByInverseViewMatrix( geometryNormal, viewMatrix );\n\t\tirradiance += getLightProbeGridIrradiance( probeWorldPos, probeWorldNormal );\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\t#if defined( STANDARD ) || defined( LAMBERT ) || defined( PHONG )\n\t\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t\t#endif\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\t#if defined( LAMBERT ) || defined( PHONG )\n\t\tirradiance += iblIrradiance;\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",lightprobes_pars_fragment:"#ifdef USE_LIGHT_PROBES_GRID\nuniform highp sampler3D probesSH;\nuniform vec3 probesMin;\nuniform vec3 probesMax;\nuniform vec3 probesResolution;\nvec3 getLightProbeGridIrradiance( vec3 worldPos, vec3 worldNormal ) {\n\tvec3 res = probesResolution;\n\tvec3 gridRange = probesMax - probesMin;\n\tvec3 resMinusOne = res - 1.0;\n\tvec3 probeSpacing = gridRange / resMinusOne;\n\tvec3 samplePos = worldPos + worldNormal * probeSpacing * 0.5;\n\tvec3 uvw = clamp( ( samplePos - probesMin ) / gridRange, 0.0, 1.0 );\n\tuvw = uvw * resMinusOne / res + 0.5 / res;\n\tfloat nz          = res.z;\n\tfloat paddedSlices = nz + 2.0;\n\tfloat atlasDepth  = 7.0 * paddedSlices;\n\tfloat uvZBase     = uvw.z * nz + 1.0;\n\tvec4 s0 = texture( probesSH, vec3( uvw.xy, ( uvZBase                       ) / atlasDepth ) );\n\tvec4 s1 = texture( probesSH, vec3( uvw.xy, ( uvZBase +       paddedSlices   ) / atlasDepth ) );\n\tvec4 s2 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 2.0 * paddedSlices   ) / atlasDepth ) );\n\tvec4 s3 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 3.0 * paddedSlices   ) / atlasDepth ) );\n\tvec4 s4 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 4.0 * paddedSlices   ) / atlasDepth ) );\n\tvec4 s5 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 5.0 * paddedSlices   ) / atlasDepth ) );\n\tvec4 s6 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 6.0 * paddedSlices   ) / atlasDepth ) );\n\tvec3 c0 = s0.xyz;\n\tvec3 c1 = vec3( s0.w, s1.xy );\n\tvec3 c2 = vec3( s1.zw, s2.x );\n\tvec3 c3 = s2.yzw;\n\tvec3 c4 = s3.xyz;\n\tvec3 c5 = vec3( s3.w, s4.xy );\n\tvec3 c6 = vec3( s4.zw, s5.x );\n\tvec3 c7 = s5.yzw;\n\tvec3 c8 = s6.xyz;\n\tfloat x = worldNormal.x, y = worldNormal.y, z = worldNormal.z;\n\tvec3 result = c0 * 0.886227;\n\tresult += c1 * 2.0 * 0.511664 * y;\n\tresult += c2 * 2.0 * 0.511664 * z;\n\tresult += c3 * 2.0 * 0.511664 * x;\n\tresult += c4 * 2.0 * 0.429043 * x * y;\n\tresult += c5 * 2.0 * 0.429043 * y * z;\n\tresult += c6 * ( 0.743125 * z * z - 0.247708 );\n\tresult += c7 * 2.0 * 0.429043 * x * z;\n\tresult += c8 * 0.429043 * ( x * x - y * y );\n\treturn max( result, vec3( 0.0 ) );\n}\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] =  texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#if defined( USE_PACKED_NORMALMAP )\n\t\tmapN = vec3( mapN.xy, sqrt( saturate( 1.0 - dot( mapN.xy, mapN.xy ) ) ) );\n\t#endif\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t\t#ifdef FLIP_SIDED\n\t\t\tvBitangent = - vBitangent;\n\t\t#endif\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;\nconst float Inv255 = 1. / 255.;\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\nvec4 packDepthToRGBA( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec4( 0., 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec4( 1., 1., 1., 1. );\n\tfloat vuf;\n\tfloat af = modf( v * PackFactors.a, vuf );\n\tfloat bf = modf( vuf * ShiftRight8, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\n}\nvec3 packDepthToRGB( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec3( 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec3( 1., 1., 1. );\n\tfloat vuf;\n\tfloat bf = modf( v * PackFactors.b, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec3( vuf * Inv255, gf * PackUpscale, bf );\n}\nvec2 packDepthToRG( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec2( 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec2( 1., 1. );\n\tfloat vuf;\n\tfloat gf = modf( v * 256., vuf );\n\treturn vec2( vuf * Inv255, gf );\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors4 );\n}\nfloat unpackRGBToDepth( const in vec3 v ) {\n\treturn dot( v, UnpackFactors3 );\n}\nfloat unpackRGToDepth( const in vec2 v ) {\n\treturn v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\n}\nvec4 pack2HalfToRGBA( const in vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( const in vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\n\t\treturn depth * ( far - near ) - far;\n\t#else\n\t\treturn depth * ( near - far ) - near;\n\t#endif\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\t\n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\treturn ( near * far ) / ( ( near - far ) * depth - near );\n\t#else\n\t\treturn ( near * far ) / ( ( far - near ) * depth - far );\n\t#endif\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform sampler2DShadow directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\t#else\n\t\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform sampler2DShadow spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\t#else\n\t\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform samplerCubeShadow pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\t#elif defined( SHADOWMAP_TYPE_BASIC )\n\t\t\tuniform samplerCube pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\tfloat interleavedGradientNoise( vec2 position ) {\n\t\t\treturn fract( 52.9829189 * fract( dot( position, vec2( 0.06711056, 0.00583715 ) ) ) );\n\t\t}\n\t\tvec2 vogelDiskSample( int sampleIndex, int samplesCount, float phi ) {\n\t\t\tconst float goldenAngle = 2.399963229728653;\n\t\t\tfloat r = sqrt( ( float( sampleIndex ) + 0.5 ) / float( samplesCount ) );\n\t\t\tfloat theta = float( sampleIndex ) * goldenAngle + phi;\n\t\t\treturn vec2( cos( theta ), sin( theta ) ) * r;\n\t\t}\n\t#endif\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\tfloat getShadow( sampler2DShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\tshadowCoord.z += shadowBias;\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\t\tfloat radius = shadowRadius * texelSize.x;\n\t\t\t\tfloat phi = interleavedGradientNoise( gl_FragCoord.xy ) * PI2;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 0, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 1, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 2, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 3, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 4, 5, phi ) * radius, shadowCoord.z ) )\n\t\t\t\t) * 0.2;\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tshadowCoord.z -= shadowBias;\n\t\t\t#else\n\t\t\t\tshadowCoord.z += shadowBias;\n\t\t\t#endif\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tvec2 distribution = texture2D( shadowMap, shadowCoord.xy ).rg;\n\t\t\t\tfloat mean = distribution.x;\n\t\t\t\tfloat variance = distribution.y * distribution.y;\n\t\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\t\tfloat hard_shadow = step( mean, shadowCoord.z );\n\t\t\t\t#else\n\t\t\t\t\tfloat hard_shadow = step( shadowCoord.z, mean );\n\t\t\t\t#endif\n\t\t\t\t\n\t\t\t\tif ( hard_shadow == 1.0 ) {\n\t\t\t\t\tshadow = 1.0;\n\t\t\t\t} else {\n\t\t\t\t\tvariance = max( variance, 0.0000001 );\n\t\t\t\t\tfloat d = shadowCoord.z - mean;\n\t\t\t\t\tfloat p_max = variance / ( variance + d * d );\n\t\t\t\t\tp_max = clamp( ( p_max - 0.3 ) / 0.65, 0.0, 1.0 );\n\t\t\t\t\tshadow = max( hard_shadow, p_max );\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#else\n\t\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tshadowCoord.z -= shadowBias;\n\t\t\t#else\n\t\t\t\tshadowCoord.z += shadowBias;\n\t\t\t#endif\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tfloat depth = texture2D( shadowMap, shadowCoord.xy ).r;\n\t\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\t\tshadow = step( depth, shadowCoord.z );\n\t\t\t\t#else\n\t\t\t\t\tshadow = step( shadowCoord.z, depth );\n\t\t\t\t#endif\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\tfloat getPointShadow( samplerCubeShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\tvec3 absVec = abs( lightToPosition );\n\t\tfloat viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );\n\t\tif ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tfloat dp = ( shadowCameraNear * ( shadowCameraFar - viewSpaceZ ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\t\tdp -= shadowBias;\n\t\t\t#else\n\t\t\t\tfloat dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\t\tdp += shadowBias;\n\t\t\t#endif\n\t\t\tfloat texelSize = shadowRadius / shadowMapSize.x;\n\t\t\tvec3 absDir = abs( bd3D );\n\t\t\tvec3 tangent = absDir.x > absDir.z ? vec3( 0.0, 1.0, 0.0 ) : vec3( 1.0, 0.0, 0.0 );\n\t\t\ttangent = normalize( cross( bd3D, tangent ) );\n\t\t\tvec3 bitangent = cross( bd3D, tangent );\n\t\t\tfloat phi = interleavedGradientNoise( gl_FragCoord.xy ) * PI2;\n\t\t\tvec2 sample0 = vogelDiskSample( 0, 5, phi );\n\t\t\tvec2 sample1 = vogelDiskSample( 1, 5, phi );\n\t\t\tvec2 sample2 = vogelDiskSample( 2, 5, phi );\n\t\t\tvec2 sample3 = vogelDiskSample( 3, 5, phi );\n\t\t\tvec2 sample4 = vogelDiskSample( 4, 5, phi );\n\t\t\tshadow = (\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample0.x + bitangent * sample0.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample1.x + bitangent * sample1.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample2.x + bitangent * sample2.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample3.x + bitangent * sample3.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample4.x + bitangent * sample4.y ) * texelSize, dp ) )\n\t\t\t) * 0.2;\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\t#elif defined( SHADOWMAP_TYPE_BASIC )\n\tfloat getPointShadow( samplerCube shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 absVec = abs( lightToPosition );\n\t\tfloat viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );\n\t\tif ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tfloat depth = textureCube( shadowMap, bd3D ).r;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tdepth = 1.0 - depth;\n\t\t\t#endif\n\t\t\tshadow = step( dp, depth );\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\t#endif\n\t#endif\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\t#ifdef HAS_NORMAL\n\t\tvec3 shadowWorldNormal = transformNormalByInverseViewMatrix( transformedNormal, viewMatrix );\n\t#else\n\t\tvec3 shadowWorldNormal = vec3( 0.0 );\n\t#endif\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0 && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 CineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = transformNormalByInverseViewMatrix( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseContribution, material.specularColorBlended, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a *  a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t#else\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vWorldDirection );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",depth_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <logdepthbuf_fragment>\n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\tfloat fragCoordZ = vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ];\n\t#else\n\t\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ] + 0.5;\n\t#endif\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#elif DEPTH_PACKING == 3202\n\t\tgl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\n\t#elif DEPTH_PACKING == 3203\n\t\tgl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\n\t#endif\n}",distance_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",distance_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = vec4( dist, 0.0, 0.0, 1.0 );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_lambert_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( normalize( normal ) * 0.5 + 0.5, diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <iridescence_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n \n\t\toutgoingLight = outgoingLight + sheenSpecularDirect + sheenSpecularIndirect;\n \n \t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <logdepthbuf_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\t#include <logdepthbuf_fragment>\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix[ 3 ];\n\tvec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n}"},Gn={common:{diffuse:{value:new n(16777215)},opacity:{value:1},map:{value:null},mapTransform:{value:new e},alphaMap:{value:null},alphaMapTransform:{value:new e},alphaTest:{value:0}},specularmap:{specularMap:{value:null},specularMapTransform:{value:new e}},envmap:{envMap:{value:null},envMapRotation:{value:new e},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98},dfgLUT:{value:null}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1},aoMapTransform:{value:new e}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1},lightMapTransform:{value:new e}},bumpmap:{bumpMap:{value:null},bumpMapTransform:{value:new e},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalMapTransform:{value:new e},normalScale:{value:new 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N(v,h)),M.setAttribute("uv",new N(E,_)),M.setAttribute("faceIndex",new N(S,g)),i.push(new o(M,null)),r>4&&r--}return{lodMeshes:i,sizeLods:t,sigmas:n}}(r)),this._blurMaterial=function(e,t,n){const r=new Float32Array(Zn),a=new i(0,1,0),o=new l({name:"SphericalGaussianBlur",defines:{n:Zn,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:r},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:a}},vertexShader:ci(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:w,depthTest:!1,depthWrite:!1});return o}(r,e,t),this._ggxMaterial=function(e,t,n){const i=new l({name:"PMREMGGXConvolution",defines:{GGX_SAMPLES:256,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},roughness:{value:0},mipInt:{value:0}},vertexShader:ci(),fragmentShader:'\n\n\t\t\tprecision highp float;\n\t\t\tprecision highp int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform float roughness;\n\t\t\tuniform float mipInt;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\t#define PI 3.14159265359\n\n\t\t\t// Van der Corput radical inverse\n\t\t\tfloat radicalInverse_VdC(uint bits) {\n\t\t\t\tbits = (bits << 16u) | (bits >> 16u);\n\t\t\t\tbits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\n\t\t\t\tbits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\n\t\t\t\tbits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\n\t\t\t\tbits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\n\t\t\t\treturn float(bits) * 2.3283064365386963e-10; // / 0x100000000\n\t\t\t}\n\n\t\t\t// Hammersley sequence\n\t\t\tvec2 hammersley(uint i, uint N) {\n\t\t\t\treturn vec2(float(i) / float(N), radicalInverse_VdC(i));\n\t\t\t}\n\n\t\t\t// GGX VNDF importance sampling (Eric Heitz 2018)\n\t\t\t// "Sampling the GGX Distribution of Visible Normals"\n\t\t\t// https://jcgt.org/published/0007/04/01/\n\t\t\tvec3 importanceSampleGGX_VNDF(vec2 Xi, vec3 V, float roughness) {\n\t\t\t\tfloat alpha = roughness * roughness;\n\n\t\t\t\t// Section 4.1: Orthonormal basis\n\t\t\t\tvec3 T1 = vec3(1.0, 0.0, 0.0);\n\t\t\t\tvec3 T2 = cross(V, T1);\n\n\t\t\t\t// Section 4.2: Parameterization of projected area\n\t\t\t\tfloat r = sqrt(Xi.x);\n\t\t\t\tfloat phi = 2.0 * PI * Xi.y;\n\t\t\t\tfloat t1 = r * cos(phi);\n\t\t\t\tfloat t2 = r * sin(phi);\n\t\t\t\tfloat s = 0.5 * (1.0 + V.z);\n\t\t\t\tt2 = (1.0 - s) * sqrt(1.0 - t1 * t1) + s * t2;\n\n\t\t\t\t// Section 4.3: Reprojection onto hemisphere\n\t\t\t\tvec3 Nh = t1 * T1 + t2 * T2 + sqrt(max(0.0, 1.0 - t1 * t1 - t2 * t2)) * V;\n\n\t\t\t\t// Section 3.4: Transform back to ellipsoid configuration\n\t\t\t\treturn normalize(vec3(alpha * Nh.x, alpha * Nh.y, max(0.0, Nh.z)));\n\t\t\t}\n\n\t\t\tvoid main() {\n\t\t\t\tvec3 N = normalize(vOutputDirection);\n\t\t\t\tvec3 V = N; // Assume view direction equals normal for pre-filtering\n\n\t\t\t\tvec3 prefilteredColor = vec3(0.0);\n\t\t\t\tfloat totalWeight = 0.0;\n\n\t\t\t\t// For very low roughness, just sample the environment directly\n\t\t\t\tif (roughness < 0.001) {\n\t\t\t\t\tgl_FragColor = vec4(bilinearCubeUV(envMap, N, mipInt), 1.0);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Tangent space basis for VNDF sampling\n\t\t\t\tvec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\n\t\t\t\tvec3 tangent = normalize(cross(up, N));\n\t\t\t\tvec3 bitangent = cross(N, tangent);\n\n\t\t\t\tfor(uint i = 0u; i < uint(GGX_SAMPLES); i++) {\n\t\t\t\t\tvec2 Xi = hammersley(i, uint(GGX_SAMPLES));\n\n\t\t\t\t\t// For PMREM, V = N, so in tangent space V is always (0, 0, 1)\n\t\t\t\t\tvec3 H_tangent = importanceSampleGGX_VNDF(Xi, vec3(0.0, 0.0, 1.0), roughness);\n\n\t\t\t\t\t// Transform H back to world space\n\t\t\t\t\tvec3 H = normalize(tangent * H_tangent.x + bitangent * H_tangent.y + N * H_tangent.z);\n\t\t\t\t\tvec3 L = normalize(2.0 * dot(V, H) * H - V);\n\n\t\t\t\t\tfloat NdotL = max(dot(N, L), 0.0);\n\n\t\t\t\t\tif(NdotL > 0.0) {\n\t\t\t\t\t\t// Sample environment at fixed mip level\n\t\t\t\t\t\t// VNDF importance sampling handles the distribution filtering\n\t\t\t\t\t\tvec3 sampleColor = bilinearCubeUV(envMap, L, mipInt);\n\n\t\t\t\t\t\t// Weight by NdotL for the split-sum approximation\n\t\t\t\t\t\t// VNDF PDF naturally accounts for the visible microfacet distribution\n\t\t\t\t\t\tprefilteredColor += sampleColor * NdotL;\n\t\t\t\t\t\ttotalWeight += NdotL;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif (totalWeight > 0.0) {\n\t\t\t\t\tprefilteredColor = prefilteredColor / totalWeight;\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = vec4(prefilteredColor, 1.0);\n\t\t\t}\n\t\t',blending:w,depthTest:!1,depthWrite:!1});return i}(r,e,t)}return r}_compileMaterial(e){const t=new o(new b,e);this._renderer.compile(t,$n)}_sceneToCubeUV(e,t,n,i,r){const a=new P(90,1,t,n),l=[1,-1,1,1,1,1],d=[1,1,1,-1,-1,-1],u=this._renderer,f=u.autoClear,p=u.toneMapping;u.getClearColor(Qn),u.toneMapping=L,u.autoClear=!1;u.state.buffers.depth.getReversed()&&(u.setRenderTarget(i),u.clearDepth(),u.setRenderTarget(null)),null===this._backgroundBox&&(this._backgroundBox=new o(new s,new U({name:"PMREM.Background",side:c,depthWrite:!1,depthTest:!1})));const m=this._backgroundBox,h=m.material;let _=!1;const g=e.background;g?g.isColor&&(h.color.copy(g),e.background=null,_=!0):(h.color.copy(Qn),_=!0);for(let t=0;t<6;t++){const n=t%3;0===n?(a.up.set(0,l[t],0),a.position.set(r.x,r.y,r.z),a.lookAt(r.x+d[t],r.y,r.z)):1===n?(a.up.set(0,0,l[t]),a.position.set(r.x,r.y,r.z),a.lookAt(r.x,r.y+d[t],r.z)):(a.up.set(0,l[t],0),a.position.set(r.x,r.y,r.z),a.lookAt(r.x,r.y,r.z+d[t]));const o=this._cubeSize;oi(i,n*o,t>2?o:0,o,o),u.setRenderTarget(i),_&&u.render(m,a),u.render(e,a)}u.toneMapping=p,u.autoClear=f,e.background=g}_textureToCubeUV(e,t){const n=this._renderer,i=e.mapping===R||e.mapping===A;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=li()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===e.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=si());const r=i?this._cubemapMaterial:this._equirectMaterial,a=this._lodMeshes[0];a.material=r;r.uniforms.envMap.value=e;const o=this._cubeSize;oi(t,0,0,3*o,2*o),n.setRenderTarget(t),n.render(a,$n)}_applyPMREM(e){const t=this._renderer,n=t.autoClear;t.autoClear=!1;const i=this._lodMeshes.length;for(let t=1;t<i;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=n}_applyGGXFilter(e,t,n){const i=this._renderer,r=this._pingPongRenderTarget,a=this._ggxMaterial,o=this._lodMeshes[n];o.material=a;const s=a.uniforms,l=n/(this._lodMeshes.length-1),c=t/(this._lodMeshes.length-1),d=Math.sqrt(l*l-c*c)*(0+1.25*l),{_lodMax:u}=this,f=this._sizeLods[n],p=3*f*(n>u-4?n-u+4:0),m=4*(this._cubeSize-f);s.envMap.value=e.texture,s.roughness.value=d,s.mipInt.value=u-t,oi(r,p,m,3*f,2*f),i.setRenderTarget(r),i.render(o,$n),s.envMap.value=r.texture,s.roughness.value=0,s.mipInt.value=u-n,oi(e,p,m,3*f,2*f),i.setRenderTarget(e),i.render(o,$n)}_blur(e,t,n,i,r){const a=this._pingPongRenderTarget;this._halfBlur(e,a,t,n,i,"latitudinal",r),this._halfBlur(a,e,n,n,i,"longitudinal",r)}_halfBlur(e,t,n,i,r,a,o){const s=this._renderer,l=this._blurMaterial;"latitudinal"!==a&&"longitudinal"!==a&&D("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[i];c.material=l;const d=l.uniforms,u=this._sizeLods[n]-1,f=isFinite(r)?Math.PI/(2*u):2*Math.PI/39,p=r/f,m=isFinite(r)?1+Math.floor(3*p):Zn;m>Zn&&v(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const h=[];let _=0;for(let e=0;e<Zn;++e){const t=e/p,n=Math.exp(-t*t/2);h.push(n),0===e?_+=n:e<m&&(_+=2*n)}for(let e=0;e<h.length;e++)h[e]=h[e]/_;d.envMap.value=e.texture,d.samples.value=m,d.weights.value=h,d.latitudinal.value="latitudinal"===a,o&&(d.poleAxis.value=o);const{_lodMax:g}=this;d.dTheta.value=f,d.mipInt.value=g-n;const E=this._sizeLods[i];oi(t,3*E*(i>g-4?i-g+4:0),4*(this._cubeSize-E),3*E,2*E),s.setRenderTarget(t),s.render(c,$n)}}function ai(e,t,n){const i=new I(e,t,n);return i.texture.mapping=a,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function oi(e,t,n,i,r){e.viewport.set(t,n,i,r),e.scissor.set(t,n,i,r)}function si(){return new l({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:ci(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:w,depthTest:!1,depthWrite:!1})}function li(){return new l({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:ci(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:w,depthTest:!1,depthWrite:!1})}function ci(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"}class di extends I{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;const n={width:e,height:e,depth:1},i=[n,n,n,n,n,n];this.texture=new F(i),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new s(5,5,5),r=new l({name:"CubemapFromEquirect",uniforms:d(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:c,blending:w});r.uniforms.tEquirect.value=t;const a=new o(i,r),u=t.minFilter;t.minFilter===B&&(t.minFilter=O);return new G(1,10,this).update(e,a),t.minFilter=u,a.geometry.dispose(),a.material.dispose(),this}clear(e,t=!0,n=!0,i=!0){const r=e.getRenderTarget();for(let r=0;r<6;r++)e.setRenderTarget(this,r),e.clear(t,n,i);e.setRenderTarget(r)}}function ui(e){let t=new WeakMap,n=new WeakMap,i=null;function r(e,t){return t===H?e.mapping=R:t===V&&(e.mapping=A),e}function a(e){const n=e.target;n.removeEventListener("dispose",a);const i=t.get(n);void 0!==i&&(t.delete(n),i.dispose())}function o(e){const t=e.target;t.removeEventListener("dispose",o);const i=n.get(t);void 0!==i&&(n.delete(t),i.dispose())}return{get:function(s,l=!1){return null==s?null:l?function(t){if(t&&t.isTexture){const r=t.mapping,a=r===H||r===V,s=r===R||r===A;if(a||s){let r=n.get(t);const l=void 0!==r?r.texture.pmremVersion:0;if(t.isRenderTargetTexture&&t.pmremVersion!==l)return null===i&&(i=new ri(e)),r=a?i.fromEquirectangular(t,r):i.fromCubemap(t,r),r.texture.pmremVersion=t.pmremVersion,n.set(t,r),r.texture;if(void 0!==r)return r.texture;{const l=t.image;return a&&l&&l.height>0||s&&l&&function(e){let t=0;const n=6;for(let i=0;i<n;i++)void 0!==e[i]&&t++;return 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a;i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),this.type===e.SAMPLER_2D_SHADOW?(Mi.compareFunction=n.isReversedDepthBuffer()?re:ae,a=Mi):a=Si,n.setTexture2D(t||a,r)}function Zi(e,t,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),n.setTexture3D(t||xi,r)}function $i(e,t,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),n.setTextureCube(t||Ri,r)}function Qi(e,t,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),n.setTexture2DArray(t||Ti,r)}function Ji(e,t){e.uniform1fv(this.addr,t)}function er(e,t){const n=Ui(t,this.size,2);e.uniform2fv(this.addr,n)}function tr(e,t){const n=Ui(t,this.size,3);e.uniform3fv(this.addr,n)}function nr(e,t){const n=Ui(t,this.size,4);e.uniform4fv(this.addr,n)}function ir(e,t){const n=Ui(t,this.size,4);e.uniformMatrix2fv(this.addr,!1,n)}function rr(e,t){const n=Ui(t,this.size,9);e.uniformMatrix3fv(this.addr,!1,n)}function ar(e,t){const n=Ui(t,this.size,16);e.uniformMatrix4fv(this.addr,!1,n)}function or(e,t){e.uniform1iv(this.addr,t)}function sr(e,t){e.uniform2iv(this.addr,t)}function lr(e,t){e.uniform3iv(this.addr,t)}function cr(e,t){e.uniform4iv(this.addr,t)}function dr(e,t){e.uniform1uiv(this.addr,t)}function ur(e,t){e.uniform2uiv(this.addr,t)}function fr(e,t){e.uniform3uiv(this.addr,t)}function pr(e,t){e.uniform4uiv(this.addr,t)}function mr(e,t,n){const i=this.cache,r=t.length,a=Ii(n,r);let o;Di(i,a)||(e.uniform1iv(this.addr,a),wi(i,a)),o=this.type===e.SAMPLER_2D_SHADOW?Mi:Si;for(let e=0;e!==r;++e)n.setTexture2D(t[e]||o,a[e])}function hr(e,t,n){const i=this.cache,r=t.length,a=Ii(n,r);Di(i,a)||(e.uniform1iv(this.addr,a),wi(i,a));for(let e=0;e!==r;++e)n.setTexture3D(t[e]||xi,a[e])}function _r(e,t,n){const i=this.cache,r=t.length,a=Ii(n,r);Di(i,a)||(e.uniform1iv(this.addr,a),wi(i,a));for(let e=0;e!==r;++e)n.setTextureCube(t[e]||Ri,a[e])}function gr(e,t,n){const i=this.cache,r=t.length,a=Ii(n,r);Di(i,a)||(e.uniform1iv(this.addr,a),wi(i,a));for(let e=0;e!==r;++e)n.setTexture2DArray(t[e]||Ti,a[e])}class vr{constructor(e,t,n){this.id=e,this.addr=n,this.cache=[],this.type=t.type,this.setValue=function(e){switch(e){case 5126:return Ni;case 35664:return yi;case 35665:return Oi;case 35666:return Fi;case 35674:return Bi;case 35675:return Gi;case 35676:return Hi;case 5124:case 35670:return Vi;case 35667:case 35671:return Wi;case 35668:case 35672:return zi;case 35669:case 35673:return ki;case 5125:return Xi;case 36294:return Ki;case 36295:return Yi;case 36296:return qi;case 35678:case 36198:case 36298:case 36306:case 35682:return ji;case 35679:case 36299:case 36307:return Zi;case 35680:case 36300:case 36308:case 36293:return $i;case 36289:case 36303:case 36311:case 36292:return Qi}}(t.type)}}class Er{constructor(e,t,n){this.id=e,this.addr=n,this.cache=[],this.type=t.type,this.size=t.size,this.setValue=function(e){switch(e){case 5126:return Ji;case 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0===x.attributes.normal&&!1===Y&&(r.isMeshLambertMaterial||r.isMeshPhongMaterial||r.isMeshStandardMaterial||r.isMeshPhysicalMaterial)),sizeAttenuation:!0===r.sizeAttenuation,logarithmicDepthBuffer:h,reversedDepthBuffer:B,skinning:!0===S.isSkinnedMesh,hasPositionAttribute:void 0!==x.attributes.position,morphTargets:void 0!==x.morphAttributes.position,morphNormals:void 0!==x.morphAttributes.normal,morphColors:void 0!==x.morphAttributes.color,morphTargetsCount:D,morphTextureStride:O,numDirLights:s.directional.length,numPointLights:s.point.length,numSpotLights:s.spot.length,numSpotLightMaps:s.spotLightMap.length,numRectAreaLights:s.rectArea.length,numHemiLights:s.hemi.length,numDirLightShadows:s.directionalShadowMap.length,numPointLightShadows:s.pointShadowMap.length,numSpotLightShadows:s.spotShadowMap.length,numSpotLightShadowsWithMaps:s.numSpotLightShadowsWithMaps,numLightProbes:s.numLightProbes,numLightProbeGrids:M.length,numClippingPlanes:o.numPlanes,numClipIntersection:o.numIntersection,dithering:r.dithering,shadowMapEnabled:e.shadowMap.enabled&&u.length>0,shadowMapType:e.shadowMap.type,toneMapping:Le,decodeVideoTexture:V&&!0===r.map.isVideoTexture&&f.getTransfer(r.map.colorSpace)===p,decodeVideoTextureEmissive:j&&!0===r.emissiveMap.isVideoTexture&&f.getTransfer(r.emissiveMap.colorSpace)===p,premultipliedAlpha:r.premultipliedAlpha,doubleSided:r.side===he,flipSided:r.side===c,useDepthPacking:r.depthPacking>=0,depthPacking:r.depthPacking||0,index0AttributeName:r.index0AttributeName,extensionClipCullDistance:Pe&&!0===r.extensions.clipCullDistance&&n.has("WEBGL_clip_cull_distance"),extensionMultiDraw:(Pe&&!0===r.extensions.multiDraw||H)&&n.has("WEBGL_multi_draw"),rendererExtensionParallelShaderCompile:n.has("KHR_parallel_shader_compile"),customProgramCacheKey:r.customProgramCacheKey()};var De;return Ue.vertexUv1s=d.has(1),Ue.vertexUv2s=d.has(2),Ue.vertexUv3s=d.has(3),d.clear(),Ue},getProgramCacheKey:function(t){const n=[];if(t.shaderID?n.push(t.shaderID):(n.push(t.customVertexShaderID),n.push(t.customFragmentShaderID)),void 0!==t.defines)for(const e in t.defines)n.push(e),n.push(t.defines[e]);return!1===t.isRawShaderMaterial&&(!function(e,t){e.push(t.precision),e.push(t.outputColorSpace),e.push(t.envMapMode),e.push(t.envMapCubeUVHeight),e.push(t.mapUv),e.push(t.alphaMapUv),e.push(t.lightMapUv),e.push(t.aoMapUv),e.push(t.bumpMapUv),e.push(t.normalMapUv),e.push(t.displacementMapUv),e.push(t.emissiveMapUv),e.push(t.metalnessMapUv),e.push(t.roughnessMapUv),e.push(t.anisotropyMapUv),e.push(t.clearcoatMapUv),e.push(t.clearcoatNormalMapUv),e.push(t.clearcoatRoughnessMapUv),e.push(t.iridescenceMapUv),e.push(t.iridescenceThicknessMapUv),e.push(t.sheenColorMapUv),e.push(t.sheenRoughnessMapUv),e.push(t.specularMapUv),e.push(t.specularColorMapUv),e.push(t.specularIntensityMapUv),e.push(t.transmissionMapUv),e.push(t.thicknessMapUv),e.push(t.combine),e.push(t.fogExp2),e.push(t.sizeAttenuation),e.push(t.morphTargetsCount),e.push(t.morphAttributeCount),e.push(t.numDirLights),e.push(t.numPointLights),e.push(t.numSpotLights),e.push(t.numSpotLightMaps),e.push(t.numHemiLights),e.push(t.numRectAreaLights),e.push(t.numDirLightShadows),e.push(t.numPointLightShadows),e.push(t.numSpotLightShadows),e.push(t.numSpotLightShadowsWithMaps),e.push(t.numLightProbes),e.push(t.shadowMapType),e.push(t.toneMapping),e.push(t.numClippingPlanes),e.push(t.numClipIntersection),e.push(t.depthPacking)}(n,t),function(e,t){s.disableAll(),t.instancing&&s.enable(0);t.instancingColor&&s.enable(1);t.instancingMorph&&s.enable(2);t.matcap&&s.enable(3);t.envMap&&s.enable(4);t.normalMapObjectSpace&&s.enable(5);t.normalMapTangentSpace&&s.enable(6);t.clearcoat&&s.enable(7);t.iridescence&&s.enable(8);t.alphaTest&&s.enable(9);t.vertexColors&&s.enable(10);t.vertexAlphas&&s.enable(11);t.vertexUv1s&&s.enable(12);t.vertexUv2s&&s.enable(13);t.vertexUv3s&&s.enable(14);t.vertexTangents&&s.enable(15);t.anisotropy&&s.enable(16);t.alphaHash&&s.enable(17);t.batching&&s.enable(18);t.dispersion&&s.enable(19);t.batchingColor&&s.enable(20);t.gradientMap&&s.enable(21);t.packedNormalMap&&s.enable(22);t.vertexNormals&&s.enable(23);e.push(s.mask),s.disableAll(),t.fog&&s.enable(0);t.useFog&&s.enable(1);t.flatShading&&s.enable(2);t.logarithmicDepthBuffer&&s.enable(3);t.reversedDepthBuffer&&s.enable(4);t.skinning&&s.enable(5);t.morphTargets&&s.enable(6);t.morphNormals&&s.enable(7);t.morphColors&&s.enable(8);t.premultipliedAlpha&&s.enable(9);t.shadowMapEnabled&&s.enable(10);t.doubleSided&&s.enable(11);t.flipSided&&s.enable(12);t.useDepthPacking&&s.enable(13);t.dithering&&s.enable(14);t.transmission&&s.enable(15);t.sheen&&s.enable(16);t.opaque&&s.enable(17);t.pointsUvs&&s.enable(18);t.decodeVideoTexture&&s.enable(19);t.decodeVideoTextureEmissive&&s.enable(20);t.alphaToCoverage&&s.enable(21);t.numLightProbeGrids>0&&s.enable(22);t.hasPositionAttribute&&s.enable(23);e.push(s.mask)}(n,t),n.push(e.outputColorSpace)),n.push(t.customProgramCacheKey),n.join()},getUniforms:function(e){const t=g[e.type];let n;if(t){const e=Hn[t];n=me.clone(e.uniforms)}else n=e.uniforms;return n},acquireProgram:function(t,n){let i=m.get(n);return void 0!==i?++i.usedTimes:(i=new jr(e,n,t,r),u.push(i),m.set(n,i)),i},releaseProgram:function(e){if(0===--e.usedTimes){const t=u.indexOf(e);u[t]=u[u.length-1],u.pop(),m.delete(e.cacheKey),e.destroy()}},releaseShaderCache:function(e){l.remove(e)},programs:u,dispose:function(){l.dispose()}}}function ea(){let e=new WeakMap;return{has:function(t){return e.has(t)},get:function(t){let n=e.get(t);return void 0===n&&(n={},e.set(t,n)),n},remove:function(t){e.delete(t)},update:function(t,n,i){e.get(t)[n]=i},dispose:function(){e=new WeakMap}}}function ta(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.material.id!==t.material.id?e.material.id-t.material.id:e.materialVariant!==t.materialVariant?e.materialVariant-t.materialVariant:e.z!==t.z?e.z-t.z:e.id-t.id}function na(e,t){return 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t=e[n];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.group=null}},sort:function(e,t,a){n.length>1&&n.sort(e||ta),i.length>1&&i.sort(t||na),r.length>1&&r.sort(t||na),a&&(n.reverse(),i.reverse(),r.reverse())}}}function ra(){let e=new WeakMap;return{get:function(t,n){const i=e.get(t);let r;return void 0===i?(r=new ia,e.set(t,[r])):n>=i.length?(r=new ia,i.push(r)):r=i[n],r},dispose:function(){e=new WeakMap}}}function aa(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let r;switch(t.type){case"DirectionalLight":r={direction:new i,color:new n};break;case"SpotLight":r={position:new i,direction:new i,color:new n,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":r={position:new i,color:new n,distance:0,decay:0};break;case"HemisphereLight":r={direction:new i,skyColor:new n,groundColor:new n};break;case"RectAreaLight":r={color:new n,position:new i,halfWidth:new i,halfHeight:new i}}return e[t.id]=r,r}}}let oa=0;function sa(e,t){return(t.castShadow?2:0)-(e.castShadow?2:0)+(t.map?1:0)-(e.map?1:0)}function la(e){const n=new aa,r=function(){const e={};return{get:function(n){if(void 0!==e[n.id])return e[n.id];let i;switch(n.type){case"DirectionalLight":case"SpotLight":i={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new t};break;case"PointLight":i={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new t,shadowCameraNear:1,shadowCameraFar:1e3}}return e[n.id]=i,i}}}(),a={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let e=0;e<9;e++)a.probe.push(new i);const o=new i,s=new u,l=new u;return{setup:function(t){let i=0,o=0,s=0;for(let e=0;e<9;e++)a.probe[e].set(0,0,0);let l=0,c=0,d=0,u=0,f=0,p=0,m=0,h=0,_=0,g=0,v=0;t.sort(sa);for(let e=0,E=t.length;e<E;e++){const E=t[e],S=E.color,M=E.intensity,T=E.distance;let x=null;if(E.shadow&&E.shadow.map&&(x=E.shadow.map.texture.format===Se?E.shadow.map.texture:E.shadow.map.depthTexture||E.shadow.map.texture),E.isAmbientLight)i+=S.r*M,o+=S.g*M,s+=S.b*M;else if(E.isLightProbe){for(let e=0;e<9;e++)a.probe[e].addScaledVector(E.sh.coefficients[e],M);v++}else if(E.isDirectionalLight){const e=n.get(E);if(e.color.copy(E.color).multiplyScalar(E.intensity),E.castShadow){const e=E.shadow,t=r.get(E);t.shadowIntensity=e.intensity,t.shadowBias=e.bias,t.shadowNormalBias=e.normalBias,t.shadowRadius=e.radius,t.shadowMapSize=e.mapSize,a.directionalShadow[l]=t,a.directionalShadowMap[l]=x,a.directionalShadowMatrix[l]=E.shadow.matrix,p++}a.directional[l]=e,l++}else if(E.isSpotLight){const e=n.get(E);e.position.setFromMatrixPosition(E.matrixWorld),e.color.copy(S).multiplyScalar(M),e.distance=T,e.coneCos=Math.cos(E.angle),e.penumbraCos=Math.cos(E.angle*(1-E.penumbra)),e.decay=E.decay,a.spot[d]=e;const t=E.shadow;if(E.map&&(a.spotLightMap[_]=E.map,_++,t.updateMatrices(E),E.castShadow&&g++),a.spotLightMatrix[d]=t.matrix,E.castShadow){const e=r.get(E);e.shadowIntensity=t.intensity,e.shadowBias=t.bias,e.shadowNormalBias=t.normalBias,e.shadowRadius=t.radius,e.shadowMapSize=t.mapSize,a.spotShadow[d]=e,a.spotShadowMap[d]=x,h++}d++}else if(E.isRectAreaLight){const e=n.get(E);e.color.copy(S).multiplyScalar(M),e.halfWidth.set(.5*E.width,0,0),e.halfHeight.set(0,.5*E.height,0),a.rectArea[u]=e,u++}else if(E.isPointLight){const e=n.get(E);if(e.color.copy(E.color).multiplyScalar(E.intensity),e.distance=E.distance,e.decay=E.decay,E.castShadow){const e=E.shadow,t=r.get(E);t.shadowIntensity=e.intensity,t.shadowBias=e.bias,t.shadowNormalBias=e.normalBias,t.shadowRadius=e.radius,t.shadowMapSize=e.mapSize,t.shadowCameraNear=e.camera.near,t.shadowCameraFar=e.camera.far,a.pointShadow[c]=t,a.pointShadowMap[c]=x,a.pointShadowMatrix[c]=E.shadow.matrix,m++}a.point[c]=e,c++}else if(E.isHemisphereLight){const 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E=a.hash;E.directionalLength===l&&E.pointLength===c&&E.spotLength===d&&E.rectAreaLength===u&&E.hemiLength===f&&E.numDirectionalShadows===p&&E.numPointShadows===m&&E.numSpotShadows===h&&E.numSpotMaps===_&&E.numLightProbes===v||(a.directional.length=l,a.spot.length=d,a.rectArea.length=u,a.point.length=c,a.hemi.length=f,a.directionalShadow.length=p,a.directionalShadowMap.length=p,a.pointShadow.length=m,a.pointShadowMap.length=m,a.spotShadow.length=h,a.spotShadowMap.length=h,a.directionalShadowMatrix.length=p,a.pointShadowMatrix.length=m,a.spotLightMatrix.length=h+_-g,a.spotLightMap.length=_,a.numSpotLightShadowsWithMaps=g,a.numLightProbes=v,E.directionalLength=l,E.pointLength=c,E.spotLength=d,E.rectAreaLength=u,E.hemiLength=f,E.numDirectionalShadows=p,E.numPointShadows=m,E.numSpotShadows=h,E.numSpotMaps=_,E.numLightProbes=v,a.version=oa++)},setupView:function(e,t){let n=0,i=0,r=0,c=0,d=0;const u=t.matrixWorldInverse;for(let t=0,f=e.length;t<f;t++){const f=e[t];if(f.isDirectionalLight){const e=a.directional[n];e.direction.setFromMatrixPosition(f.matrixWorld),o.setFromMatrixPosition(f.target.matrixWorld),e.direction.sub(o),e.direction.transformDirection(u),n++}else if(f.isSpotLight){const e=a.spot[r];e.position.setFromMatrixPosition(f.matrixWorld),e.position.applyMatrix4(u),e.direction.setFromMatrixPosition(f.matrixWorld),o.setFromMatrixPosition(f.target.matrixWorld),e.direction.sub(o),e.direction.transformDirection(u),r++}else if(f.isRectAreaLight){const e=a.rectArea[c];e.position.setFromMatrixPosition(f.matrixWorld),e.position.applyMatrix4(u),l.identity(),s.copy(f.matrixWorld),s.premultiply(u),l.extractRotation(s),e.halfWidth.set(.5*f.width,0,0),e.halfHeight.set(0,.5*f.height,0),e.halfWidth.applyMatrix4(l),e.halfHeight.applyMatrix4(l),c++}else if(f.isPointLight){const e=a.point[i];e.position.setFromMatrixPosition(f.matrixWorld),e.position.applyMatrix4(u),i++}else if(f.isHemisphereLight){const 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i=0;i<n.length;i++){if(t.resolveDepthBuffer&&(t.depthBuffer&&(s|=e.DEPTH_BUFFER_BIT),t.stencilBuffer&&t.resolveStencilBuffer&&(s|=e.STENCIL_BUFFER_BIT)),u){e.framebufferRenderbuffer(e.READ_FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.RENDERBUFFER,d.__webglColorRenderbuffer[i]);const t=r.get(n[i]).__webglTexture;e.framebufferTexture2D(e.DRAW_FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t,0)}e.blitFramebuffer(0,0,a,o,0,0,a,o,s,e.NEAREST),!0===c&&(Z.length=0,$.length=0,Z.push(e.COLOR_ATTACHMENT0+i),t.depthBuffer&&!1===t.resolveDepthBuffer&&(Z.push(l),$.push(l),e.invalidateFramebuffer(e.DRAW_FRAMEBUFFER,$)),e.invalidateFramebuffer(e.READ_FRAMEBUFFER,Z))}if(i.bindFramebuffer(e.READ_FRAMEBUFFER,null),i.bindFramebuffer(e.DRAW_FRAMEBUFFER,null),u)for(let t=0;t<n.length;t++){i.bindFramebuffer(e.FRAMEBUFFER,d.__webglMultisampledFramebuffer),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.RENDERBUFFER,d.__webglColorRenderbuffer[t]);const a=r.get(n[t]).__webglTexture;i.bindFramebuffer(e.FRAMEBUFFER,d.__webglFramebuffer),e.framebufferTexture2D(e.DRAW_FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.TEXTURE_2D,a,0)}i.bindFramebuffer(e.DRAW_FRAMEBUFFER,d.__webglMultisampledFramebuffer)}else if(t.depthBuffer&&!1===t.resolveDepthBuffer&&c){const n=t.stencilBuffer?e.DEPTH_STENCIL_ATTACHMENT:e.DEPTH_ATTACHMENT;e.invalidateFramebuffer(e.DRAW_FRAMEBUFFER,[n])}},this.setupDepthRenderbuffer=j,this.setupFrameBufferTexture=K,this.useMultisampledRTT=J,this.isReversedDepthBuffer=function(){return i.buffers.depth.getReversed()}}function Ea(e,t){return{convert:function(n,i=At){let r;const a=f.getTransfer(i);if(n===S)return e.UNSIGNED_BYTE;if(n===Dt)return e.UNSIGNED_SHORT_4_4_4_4;if(n===wt)return e.UNSIGNED_SHORT_5_5_5_1;if(n===It)return e.UNSIGNED_INT_5_9_9_9_REV;if(n===Nt)return e.UNSIGNED_INT_10F_11F_11F_REV;if(n===yt)return e.BYTE;if(n===Ot)return e.SHORT;if(n===Lt)return e.UNSIGNED_SHORT;if(n===g)return e.INT;if(n===Le)return e.UNSIGNED_INT;if(n===M)return e.FLOAT;if(n===E)return e.HALF_FLOAT;if(n===Ft)return e.ALPHA;if(n===Bt)return e.RGB;if(n===T)return e.RGBA;if(n===be)return e.DEPTH_COMPONENT;if(n===bt)return e.DEPTH_STENCIL;if(n===Gt)return e.RED;if(n===Ht)return e.RED_INTEGER;if(n===Se)return e.RG;if(n===Vt)return e.RG_INTEGER;if(n===Wt)return e.RGBA_INTEGER;if(n===zt||n===kt||n===Xt||n===Kt)if(a===p){if(r=t.get("WEBGL_compressed_texture_s3tc_srgb"),null===r)return null;if(n===zt)return r.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(n===kt)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(n===Xt)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(n===Kt)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(r=t.get("WEBGL_compressed_texture_s3tc"),null===r)return null;if(n===zt)return r.COMPRESSED_RGB_S3TC_DXT1_EXT;if(n===kt)return r.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(n===Xt)return r.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(n===Kt)return r.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(n===Yt||n===qt||n===jt||n===Zt){if(r=t.get("WEBGL_compressed_texture_pvrtc"),null===r)return null;if(n===Yt)return r.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(n===qt)return r.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(n===jt)return r.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(n===Zt)return r.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(n===$t||n===Qt||n===Jt||n===en||n===tn||n===Me||n===nn){if(r=t.get("WEBGL_compressed_texture_etc"),null===r)return null;if(n===$t||n===Qt)return a===p?r.COMPRESSED_SRGB8_ETC2:r.COMPRESSED_RGB8_ETC2;if(n===Jt)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:r.COMPRESSED_RGBA8_ETC2_EAC;if(n===en)return r.COMPRESSED_R11_EAC;if(n===tn)return r.COMPRESSED_SIGNED_R11_EAC;if(n===Me)return r.COMPRESSED_RG11_EAC;if(n===nn)return r.COMPRESSED_SIGNED_RG11_EAC}if(n===rn||n===an||n===on||n===sn||n===ln||n===cn||n===dn||n===un||n===fn||n===pn||n===mn||n===hn||n===_n||n===gn){if(r=t.get("WEBGL_compressed_texture_astc"),null===r)return null;if(n===rn)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:r.COMPRESSED_RGBA_ASTC_4x4_KHR;if(n===an)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:r.COMPRESSED_RGBA_ASTC_5x4_KHR;if(n===on)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:r.COMPRESSED_RGBA_ASTC_5x5_KHR;if(n===sn)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:r.COMPRESSED_RGBA_ASTC_6x5_KHR;if(n===ln)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:r.COMPRESSED_RGBA_ASTC_6x6_KHR;if(n===cn)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:r.COMPRESSED_RGBA_ASTC_8x5_KHR;if(n===dn)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:r.COMPRESSED_RGBA_ASTC_8x6_KHR;if(n===un)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:r.COMPRESSED_RGBA_ASTC_8x8_KHR;if(n===fn)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:r.COMPRESSED_RGBA_ASTC_10x5_KHR;if(n===pn)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:r.COMPRESSED_RGBA_ASTC_10x6_KHR;if(n===mn)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:r.COMPRESSED_RGBA_ASTC_10x8_KHR;if(n===hn)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:r.COMPRESSED_RGBA_ASTC_10x10_KHR;if(n===_n)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:r.COMPRESSED_RGBA_ASTC_12x10_KHR;if(n===gn)return a===p?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:r.COMPRESSED_RGBA_ASTC_12x12_KHR}if(n===vn||n===En||n===Sn){if(r=t.get("EXT_texture_compression_bptc"),null===r)return null;if(n===vn)return a===p?r.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:r.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(n===En)return r.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(n===Sn)return r.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(n===Mn||n===Tn||n===Te||n===xn){if(r=t.get("EXT_texture_compression_rgtc"),null===r)return null;if(n===Mn)return r.COMPRESSED_RED_RGTC1_EXT;if(n===Tn)return r.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(n===Te)return r.COMPRESSED_RED_GREEN_RGTC2_EXT;if(n===xn)return r.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return n===Pt?e.UNSIGNED_INT_24_8:void 0!==e[n]?e[n]:null}}}class Sa{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(e,t){if(null===this.texture){const n=new Rn(e.texture);e.depthNear===t.depthNear&&e.depthFar===t.depthFar||(this.depthNear=e.depthNear,this.depthFar=e.depthFar),this.texture=n}}getMesh(e){if(null!==this.texture&&null===this.mesh){const t=e.cameras[0].viewport,n=new l({vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) 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B(){a.removeEventListener("select",F),a.removeEventListener("selectstart",F),a.removeEventListener("selectend",F),a.removeEventListener("squeeze",F),a.removeEventListener("squeezestart",F),a.removeEventListener("squeezeend",F),a.removeEventListener("end",B),a.removeEventListener("inputsourceschange",G);for(let e=0;e<A.length;e++){const t=b[e];null!==t&&(b[e]=null,A[e].disconnect(t))}y=null,O=null,g.reset();for(const e in E)delete E[e];e.setRenderTarget(x),m=null,p=null,f=null,a=null,R=null,k.stop(),r.isPresenting=!1,e.setPixelRatio(L),e.setSize(C.width,C.height,!1),r.dispatchEvent({type:"sessionend"})}function G(e){for(let t=0;t<e.removed.length;t++){const n=e.removed[t],i=b.indexOf(n);i>=0&&(b[i]=null,A[i].disconnect(n))}for(let t=0;t<e.added.length;t++){const n=e.added[t];let i=b.indexOf(n);if(-1===i){for(let e=0;e<A.length;e++){if(e>=b.length){b.push(n),i=e;break}if(null===b[e]){b[e]=n,i=e;break}}if(-1===i)break}const r=A[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=A[e];return void 0===t&&(t=new Cn,A[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=A[e];return void 0===t&&(t=new Cn,A[e]=t),t.getGripSpace()},this.getHand=function(e){let t=A[e];return void 0===t&&(t=new Cn,A[e]=t),t.getHandSpace()},this.setFramebufferScaleFactor=function(e){o=e,!0===r.isPresenting&&v("WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(e){l=e,!0===r.isPresenting&&v("WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return d||s},this.setReferenceSpace=function(e){d=e},this.getBaseLayer=function(){return null!==p?p:m},this.getBinding=function(){return null===f&&_&&(f=new XRWebGLBinding(a,n)),f},this.getFrame=function(){return h},this.getSession=function(){return a},this.setSession=async function(t){if(a=t,null!==a){x=e.getRenderTarget(),a.addEventListener("select",F),a.addEventListener("selectstart",F),a.addEventListener("selectend",F),a.addEventListener("squeeze",F),a.addEventListener("squeezestart",F),a.addEventListener("squeezeend",F),a.addEventListener("end",B),a.addEventListener("inputsourceschange",G),!0!==M.xrCompatible&&await n.makeXRCompatible(),L=e.getPixelRatio(),e.getSize(C);if(_&&"createProjectionLayer"in XRWebGLBinding.prototype){let t=null,i=null,r=null;M.depth&&(r=M.stencil?n.DEPTH24_STENCIL8:n.DEPTH_COMPONENT24,t=M.stencil?bt:be,i=M.stencil?Pt:Le);const s={colorFormat:n.RGBA8,depthFormat:r,scaleFactor:o};f=this.getBinding(),p=f.createProjectionLayer(s),a.updateRenderState({layers:[p]}),e.setPixelRatio(1),e.setSize(p.textureWidth,p.textureHeight,!1),R=new I(p.textureWidth,p.textureHeight,{format:T,type:S,depthTexture:new Y(p.textureWidth,p.textureHeight,i,void 0,void 0,void 0,void 0,void 0,void 0,t),stencilBuffer:M.stencil,colorSpace:e.outputColorSpace,samples:M.antialias?4:0,resolveDepthBuffer:!1===p.ignoreDepthValues,resolveStencilBuffer:!1===p.ignoreDepthValues})}else{const t={antialias:M.antialias,alpha:!0,depth:M.depth,stencil:M.stencil,framebufferScaleFactor:o};m=new XRWebGLLayer(a,n,t),a.updateRenderState({baseLayer:m}),e.setPixelRatio(1),e.setSize(m.framebufferWidth,m.framebufferHeight,!1),R=new I(m.framebufferWidth,m.framebufferHeight,{format:T,type:S,colorSpace:e.outputColorSpace,stencilBuffer:M.stencil,resolveDepthBuffer:!1===m.ignoreDepthValues,resolveStencilBuffer:!1===m.ignoreDepthValues})}R.isXRRenderTarget=!0,this.setFoveation(c),d=null,s=await a.requestReferenceSpace(l),k.setContext(a),k.start(),r.isPresenting=!0,r.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==a)return a.environmentBlendMode},this.getDepthTexture=function(){return g.getDepthTexture()};const H=new i,V=new i;function W(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.updateCamera=function(e){if(null===a)return;let t=e.near,n=e.far;null!==g.texture&&(g.depthNear>0&&(t=g.depthNear),g.depthFar>0&&(n=g.depthFar)),N.near=D.near=U.near=t,N.far=D.far=U.far=n,y===N.near&&O===N.far||(a.updateRenderState({depthNear:N.near,depthFar:N.far}),y=N.near,O=N.far),N.layers.mask=6|e.layers.mask,U.layers.mask=-5&N.layers.mask,D.layers.mask=-3&N.layers.mask;const i=e.parent,r=N.cameras;W(N,i);for(let e=0;e<r.length;e++)W(r[e],i);2===r.length?function(e,t,n){H.setFromMatrixPosition(t.matrixWorld),V.setFromMatrixPosition(n.matrixWorld);const i=H.distanceTo(V),r=t.projectionMatrix.elements,a=n.projectionMatrix.elements,o=r[14]/(r[10]-1),s=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],d=(r[8]-1)/r[0],u=(a[8]+1)/a[0],f=o*d,p=o*u,m=i/(-d+u),h=m*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(h),e.translateZ(m),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===r[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=o+m,n=s+m,r=f-h,a=p+(i-h),d=l*s/n*t,u=c*s/n*t;e.projectionMatrix.makePerspective(r,a,d,u,t,n),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(N,U,D):N.projectionMatrix.copy(U.projectionMatrix),function(e,t,n){null===n?e.matrix.copy(t.matrixWorld):(e.matrix.copy(n.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*Pn*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,N,i)},this.getCamera=function(){return N},this.getFoveation=function(){if(null!==p||null!==m)return c},this.setFoveation=function(e){c=e,null!==p&&(p.fixedFoveation=e),null!==m&&void 0!==m.fixedFoveation&&(m.fixedFoveation=e)},this.hasDepthSensing=function(){return null!==g.texture},this.getDepthSensingMesh=function(){return g.getMesh(N)},this.getCameraTexture=function(e){return E[e]};let z=null;const k=new On;k.setAnimationLoop(function(t,n){if(u=n.getViewerPose(d||s),h=n,null!==u){const t=u.views;null!==m&&(e.setRenderTargetFramebuffer(R,m.framebuffer),e.setRenderTarget(R));let n=!1;t.length!==N.cameras.length&&(N.cameras.length=0,n=!0);for(let i=0;i<t.length;i++){const r=t[i];let a=null;if(null!==m)a=m.getViewport(r);else{const t=f.getViewSubImage(p,r);a=t.viewport,0===i&&(e.setRenderTargetTextures(R,t.colorTexture,t.depthStencilTexture),e.setRenderTarget(R))}let o=w[i];void 0===o&&(o=new P,o.layers.enable(i),o.viewport=new K,w[i]=o),o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.quaternion,o.scale),o.projectionMatrix.fromArray(r.projectionMatrix),o.projectionMatrixInverse.copy(o.projectionMatrix).invert(),o.viewport.set(a.x,a.y,a.width,a.height),0===i&&(N.matrix.copy(o.matrix),N.matrix.decompose(N.position,N.quaternion,N.scale)),!0===n&&N.cameras.push(o)}const 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Ge.getClearAlpha()},this.setClearAlpha=function(){Ge.setClearAlpha(...arguments)},this.clear=function(e=!0,t=!0,n=!0){let i=0;if(e){let e=!1;if(null!==q){const t=q.texture.format;e=R.has(t)}if(e){const e=q.texture.type,t=A.has(e),n=Ge.getClearColor(),i=Ge.getClearAlpha(),r=n.r,a=n.g,o=n.b;t?(b[0]=r,b[1]=a,b[2]=o,b[3]=i,Ke.clearBufferuiv(Ke.COLOR,0,b)):(C[0]=r,C[1]=a,C[2]=o,C[3]=i,Ke.clearBufferiv(Ke.COLOR,0,C))}else 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a=t.fog,o=i.isMeshStandardMaterial||i.isMeshLambertMaterial||i.isMeshPhongMaterial?t.environment:null,s=null===q?G.outputColorSpace:!0===q.isXRRenderTarget?q.texture.colorSpace:f.workingColorSpace,l=i.isMeshStandardMaterial||i.isMeshLambertMaterial&&!i.envMap||i.isMeshPhongMaterial&&!i.envMap,c=Ce.get(i.envMap||o,l),d=!0===i.vertexColors&&!!n.attributes.color&&4===n.attributes.color.itemSize,u=!!n.attributes.tangent&&(!!i.normalMap||i.anisotropy>0),p=!!n.morphAttributes.position,m=!!n.morphAttributes.normal,h=!!n.morphAttributes.color;let _=L;i.toneMapped&&(null!==q&&!0!==q.isXRRenderTarget||(_=G.toneMapping));const g=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,v=void 0!==g?g.length:0,S=Ae.get(i),M=w.state.lights;if(!0===ue&&(!0===fe||e!==Z)){const t=e===Z&&i.id===j;Fe.setState(i,e,t)}let T=!1;i.version===S.__version?S.needsLights&&S.lightsStateVersion!==M.state.version||S.outputColorSpace!==s||r.isBatchedMesh&&!1===S.batching?T=!0:r.isBatchedMesh||!0!==S.batching?r.isBatchedMesh&&!0===S.batchingColor&&null===r.colorTexture||r.isBatchedMesh&&!1===S.batchingColor&&null!==r.colorTexture||r.isInstancedMesh&&!1===S.instancing?T=!0:r.isInstancedMesh||!0!==S.instancing?r.isSkinnedMesh&&!1===S.skinning?T=!0:r.isSkinnedMesh||!0!==S.skinning?r.isInstancedMesh&&!0===S.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===S.instancingColor&&null!==r.instanceColor||r.isInstancedMesh&&!0===S.instancingMorph&&null===r.morphTexture||r.isInstancedMesh&&!1===S.instancingMorph&&null!==r.morphTexture||S.envMap!==c||!0===i.fog&&S.fog!==a?T=!0:void 0===S.numClippingPlanes||S.numClippingPlanes===Fe.numPlanes&&S.numIntersection===Fe.numIntersection?(S.vertexAlphas!==d||S.vertexTangents!==u||S.morphTargets!==p||S.morphNormals!==m||S.morphColors!==h||S.toneMapping!==_||S.morphTargetsCount!==v||!!S.lightProbeGrid!=w.state.lightProbeGridArray.length>0)&&(T=!0):T=!0:T=!0:T=!0:T=!0:(T=!0,S.__version=i.version);let x=S.currentProgram;!0===T&&(x=dt(i,t,r),V&&i.isNodeMaterial&&V.onUpdateProgram(i,x,S));let R=!1,A=!1,b=!1;const C=x.getUniforms(),U=S.uniforms;xe.useProgram(x.program)&&(R=!0,A=!0,b=!0);i.id!==j&&(j=i.id,A=!0);if(S.needsLights){const e=function(e,t){if(0===e.length)return null;if(1===e.length)return null!==e[0].texture?e[0]:null;P.setFromMatrixPosition(t.matrixWorld);for(let t=0,n=e.length;t<n;t++){const n=e[t];if(null!==n.texture&&n.boundingBox.containsPoint(P))return n}return null}(w.state.lightProbeGridArray,r);S.lightProbeGrid!==e&&(S.lightProbeGrid=e,A=!0)}if(R||Z!==e){xe.buffers.depth.getReversed()&&!0!==e.reversedDepth&&(e._reversedDepth=!0,e.updateProjectionMatrix()),C.setValue(Ke,"projectionMatrix",e.projectionMatrix),C.setValue(Ke,"viewMatrix",e.matrixWorldInverse);const t=C.map.cameraPosition;void 0!==t&&t.setValue(Ke,me.setFromMatrixPosition(e.matrixWorld)),Te.logarithmicDepthBuffer&&C.setValue(Ke,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&C.setValue(Ke,"isOrthographic",!0===e.isOrthographicCamera),Z!==e&&(Z=e,A=!0,b=!0)}S.needsLights&&(M.state.directionalShadowMap.length>0&&C.setValue(Ke,"directionalShadowMap",M.state.directionalShadowMap,be),M.state.spotShadowMap.length>0&&C.setValue(Ke,"spotShadowMap",M.state.spotShadowMap,be),M.state.pointShadowMap.length>0&&C.setValue(Ke,"pointShadowMap",M.state.pointShadowMap,be));if(r.isSkinnedMesh){C.setOptional(Ke,r,"bindMatrix"),C.setOptional(Ke,r,"bindMatrixInverse");const e=r.skeleton;e&&(null===e.boneTexture&&e.computeBoneTexture(),C.setValue(Ke,"boneTexture",e.boneTexture,be))}r.isBatchedMesh&&(C.setOptional(Ke,r,"batchingTexture"),C.setValue(Ke,"batchingTexture",r._matricesTexture,be),C.setOptional(Ke,r,"batchingIdTexture"),C.setValue(Ke,"batchingIdTexture",r._indirectTexture,be),C.setOptional(Ke,r,"batchingColorTexture"),null!==r._colorsTexture&&C.setValue(Ke,"batchingColorTexture",r._colorsTexture,be));const D=n.morphAttributes;void 0===D.position&&void 0===D.normal&&void 0===D.color||He.update(r,n,x);(A||S.receiveShadow!==r.receiveShadow)&&(S.receiveShadow=r.receiveShadow,C.setValue(Ke,"receiveShadow",r.receiveShadow));(i.isMeshStandardMaterial||i.isMeshLambertMaterial||i.isMeshPhongMaterial)&&null===i.envMap&&null!==t.environment&&(U.envMapIntensity.value=t.environmentIntensity);void 0!==U.dfgLUT&&(U.dfgLUT.value=(null===Ca&&(Ca=new Ln(ba,16,16,Se,E),Ca.name="DFG_LUT",Ca.minFilter=O,Ca.magFilter=O,Ca.wrapS=mt,Ca.wrapT=mt,Ca.generateMipmaps=!1,Ca.needsUpdate=!0),Ca));if(A){if(C.setValue(Ke,"toneMappingExposure",G.toneMappingExposure),S.needsLights&&(N=b,(I=U).ambientLightColor.needsUpdate=N,I.lightProbe.needsUpdate=N,I.directionalLights.needsUpdate=N,I.directionalLightShadows.needsUpdate=N,I.pointLights.needsUpdate=N,I.pointLightShadows.needsUpdate=N,I.spotLights.needsUpdate=N,I.spotLightShadows.needsUpdate=N,I.rectAreaLights.needsUpdate=N,I.hemisphereLights.needsUpdate=N),a&&!0===i.fog&&Ne.refreshFogUniforms(U,a),Ne.refreshMaterialUniforms(U,i,re,ie,w.state.transmissionRenderTarget[e.id]),S.needsLights&&S.lightProbeGrid){const e=S.lightProbeGrid;U.probesSH.value=e.texture,U.probesMin.value.copy(e.boundingBox.min),U.probesMax.value.copy(e.boundingBox.max),U.probesResolution.value.copy(e.resolution)}Rr.upload(Ke,ut(S),U,be)}var I,N;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(Rr.upload(Ke,ut(S),U,be),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&C.setValue(Ke,"center",r.center);if(C.setValue(Ke,"modelViewMatrix",r.modelViewMatrix),C.setValue(Ke,"normalMatrix",r.normalMatrix),C.setValue(Ke,"modelMatrix",r.matrixWorld),void 0!==i.uniformsGroups){const e=i.uniformsGroups;for(let t=0,n=e.length;t<n;t++){const n=e[t];Xe.update(n,x),Xe.bind(n,x)}}return x}(e,t,n,i,r);xe.setMaterial(i,o);let l=n.index,c=1;if(!0===i.wireframe){if(l=De.getWireframeAttribute(n),void 0===l)return;c=2}const d=n.drawRange,u=n.attributes.position;let p=d.start*c,m=(d.start+d.count)*c;null!==a&&(p=Math.max(p,a.start*c),m=Math.min(m,(a.start+a.count)*c)),null!==l?(p=Math.max(p,0),m=Math.min(m,l.count)):null!=u&&(p=Math.max(p,0),m=Math.min(m,u.count));const h=m-p;if(h<0||h===1/0)return;let _;ke.setup(r,i,s,n,l);let g=Ve;if(null!==l&&(_=Pe.get(l),g=We,g.setIndex(_)),r.isMesh)!0===i.wireframe?(xe.setLineWidth(i.wireframeLinewidth*Ee()),g.setMode(Ke.LINES)):g.setMode(Ke.TRIANGLES);else if(r.isLine){let e=i.linewidth;void 0===e&&(e=1),xe.setLineWidth(e*Ee()),r.isLineSegments?g.setMode(Ke.LINES):r.isLineLoop?g.setMode(Ke.LINE_LOOP):g.setMode(Ke.LINE_STRIP)}else r.isPoints?g.setMode(Ke.POINTS):r.isSprite&&g.setMode(Ke.TRIANGLES);if(r.isBatchedMesh)if(Me.get("WEBGL_multi_draw"))g.renderMultiDraw(r._multiDrawStarts,r._multiDrawCounts,r._multiDrawCount);else{const e=r._multiDrawStarts,t=r._multiDrawCounts,n=r._multiDrawCount,a=l?Pe.get(l).bytesPerElement:1,o=Ae.get(i).currentProgram.getUniforms();for(let i=0;i<n;i++)o.setValue(Ke,"_gl_DrawID",i),g.render(e[i]/a,t[i])}else if(r.isInstancedMesh)g.renderInstances(p,h,r.count);else if(n.isInstancedBufferGeometry){const e=void 0!==n._maxInstanceCount?n._maxInstanceCount:1/0,t=Math.min(n.instanceCount,e);g.renderInstances(p,h,t)}else g.render(p,h)},this.compile=function(e,t,n=null){null===n&&(n=e),w=Oe.get(n),w.init(t),y.push(w),n.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&(w.pushLight(e),e.castShadow&&w.pushShadow(e))}),e!==n&&e.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&(w.pushLight(e),e.castShadow&&w.pushShadow(e))}),w.setupLights();const i=new Set;return e.traverse(function(e){if(!(e.isMesh||e.isPoints||e.isLine||e.isSprite))return;const t=e.material;if(t)if(Array.isArray(t))for(let r=0;r<t.length;r++){const a=t[r];et(a,n,e),i.add(a)}else et(t,n,e),i.add(t)}),w=y.pop(),i},this.compileAsync=function(e,t,n=null){const i=this.compile(e,t,n);return new Promise(t=>{function n(){i.forEach(function(e){Ae.get(e).currentProgram.isReady()&&i.delete(e)}),0!==i.size?setTimeout(n,10):t(e)}null!==Me.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)})};let tt=null;function nt(){rt.stop()}function it(){rt.start()}const rt=new On;function at(e,t,n,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)n=e.renderOrder;else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLightProbeGrid)w.pushLightProbeGrid(e);else if(e.isLight)w.pushLight(e),e.castShadow&&w.pushShadow(e);else if(e.isSprite){if(!e.frustumCulled||de.intersectsSprite(e)){i&&_e.setFromMatrixPosition(e.matrixWorld).applyMatrix4(pe);const t=we.update(e),r=e.material;r.visible&&U.push(e,t,r,n,_e.z,null)}}else if((e.isMesh||e.isLine||e.isPoints)&&(!e.frustumCulled||de.intersectsObject(e))){const t=we.update(e),r=e.material;if(i&&(void 0!==e.boundingSphere?(null===e.boundingSphere&&e.computeBoundingSphere(),_e.copy(e.boundingSphere.center)):(null===t.boundingSphere&&t.computeBoundingSphere(),_e.copy(t.boundingSphere.center)),_e.applyMatrix4(e.matrixWorld).applyMatrix4(pe)),Array.isArray(r)){const i=t.groups;for(let a=0,o=i.length;a<o;a++){const o=i[a],s=r[o.materialIndex];s&&s.visible&&U.push(e,t,s,n,_e.z,o)}}else r.visible&&U.push(e,t,r,n,_e.z,null)}const r=e.children;for(let e=0,a=r.length;e<a;e++)at(r[e],t,n,i)}function ot(e,t,n,i){const{opaque:r,transmissive:a,transparent:o}=e;w.setupLightsView(n),!0===ue&&Fe.setGlobalState(G.clippingPlanes,n),i&&xe.viewport($.copy(i)),r.length>0&&lt(r,t,n),a.length>0&&lt(a,t,n),o.length>0&&lt(o,t,n),xe.buffers.depth.setTest(!0),xe.buffers.depth.setMask(!0),xe.buffers.color.setMask(!0),xe.setPolygonOffset(!1)}function st(e,t,n,i){if(null!==(!0===n.isScene?n.overrideMaterial:null))return;if(void 0===w.state.transmissionRenderTarget[i.id]){const e=Me.has("EXT_color_buffer_half_float")||Me.has("EXT_color_buffer_float");w.state.transmissionRenderTarget[i.id]=new I(1,1,{generateMipmaps:!0,type:e?E:S,minFilter:B,samples:Math.max(4,Te.samples),stencilBuffer:o,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:f.workingColorSpace})}const r=w.state.transmissionRenderTarget[i.id],a=i.viewport||$;r.setSize(a.z*G.transmissionResolutionScale,a.w*G.transmissionResolutionScale);const s=G.getRenderTarget(),l=G.getActiveCubeFace(),d=G.getActiveMipmapLevel();G.setRenderTarget(r),G.getClearColor(ee),te=G.getClearAlpha(),te<1&&G.setClearColor(16777215,.5),G.clear(),ve&&Ge.render(n);const u=G.toneMapping;G.toneMapping=L;const p=i.viewport;if(void 0!==i.viewport&&(i.viewport=void 0),w.setupLightsView(i),!0===ue&&Fe.setGlobalState(G.clippingPlanes,i),lt(e,n,i),be.updateMultisampleRenderTarget(r),be.updateRenderTargetMipmap(r),!1===Me.has("WEBGL_multisampled_render_to_texture")){let e=!1;for(let r=0,a=t.length;r<a;r++){const a=t[r],{object:o,geometry:s,material:l,group:d}=a;if(l.side===he&&o.layers.test(i.layers)){const t=l.side;l.side=c,l.needsUpdate=!0,ct(o,n,i,s,l,d),l.side=t,l.needsUpdate=!0,e=!0}}!0===e&&(be.updateMultisampleRenderTarget(r),be.updateRenderTargetMipmap(r))}G.setRenderTarget(s,l,d),G.setClearColor(ee,te),void 0!==p&&(i.viewport=p),G.toneMapping=u}function lt(e,t,n){const i=!0===t.isScene?t.overrideMaterial:null;for(let r=0,a=e.length;r<a;r++){const a=e[r],{object:o,geometry:s,group:l}=a;let c=a.material;!0===c.allowOverride&&null!==i&&(c=i),o.layers.test(n.layers)&&ct(o,t,n,s,c,l)}}function ct(e,t,n,i,r,a){e.onBeforeRender(G,t,n,i,r,a),e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix),r.onBeforeRender(G,t,n,i,e,a),!0===r.transparent&&r.side===he&&!1===r.forceSinglePass?(r.side=c,r.needsUpdate=!0,G.renderBufferDirect(n,t,i,r,e,a),r.side=h,r.needsUpdate=!0,G.renderBufferDirect(n,t,i,r,e,a),r.side=he):G.renderBufferDirect(n,t,i,r,e,a),e.onAfterRender(G,t,n,i,r,a)}function dt(e,t,n){!0!==t.isScene&&(t=ge);const i=Ae.get(e),r=w.state.lights,a=w.state.shadowsArray,o=r.state.version,s=Ie.getParameters(e,r.state,a,t,n,w.state.lightProbeGridArray),l=Ie.getProgramCacheKey(s);let c=i.programs;i.environment=e.isMeshStandardMaterial||e.isMeshLambertMaterial||e.isMeshPhongMaterial?t.environment:null,i.fog=t.fog;const d=e.isMeshStandardMaterial||e.isMeshLambertMaterial&&!e.envMap||e.isMeshPhongMaterial&&!e.envMap;i.envMap=Ce.get(e.envMap||i.environment,d),i.envMapRotation=null!==i.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation,void 0===c&&(e.addEventListener("dispose",Je),c=new Map,i.programs=c);let u=c.get(l);if(void 0!==u){if(i.currentProgram===u&&i.lightsStateVersion===o)return ft(e,s),u}else s.uniforms=Ie.getUniforms(e),null!==V&&e.isNodeMaterial&&V.build(e,n,s),e.onBeforeCompile(s,G),u=Ie.acquireProgram(s,l),c.set(l,u),i.uniforms=s.uniforms;const f=i.uniforms;return(e.isShaderMaterial||e.isRawShaderMaterial)&&!0!==e.clipping||(f.clippingPlanes=Fe.uniform),ft(e,s),i.needsLights=function(e){return e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}(e),i.lightsStateVersion=o,i.needsLights&&(f.ambientLightColor.value=r.state.ambient,f.lightProbe.value=r.state.probe,f.directionalLights.value=r.state.directional,f.directionalLightShadows.value=r.state.directionalShadow,f.spotLights.value=r.state.spot,f.spotLightShadows.value=r.state.spotShadow,f.rectAreaLights.value=r.state.rectArea,f.ltc_1.value=r.state.rectAreaLTC1,f.ltc_2.value=r.state.rectAreaLTC2,f.pointLights.value=r.state.point,f.pointLightShadows.value=r.state.pointShadow,f.hemisphereLights.value=r.state.hemi,f.directionalShadowMatrix.value=r.state.directionalShadowMatrix,f.spotLightMatrix.value=r.state.spotLightMatrix,f.spotLightMap.value=r.state.spotLightMap,f.pointShadowMatrix.value=r.state.pointShadowMatrix),i.lightProbeGrid=w.state.lightProbeGridArray.length>0,i.currentProgram=u,i.uniformsList=null,u}function ut(e){if(null===e.uniformsList){const t=e.currentProgram.getUniforms();e.uniformsList=Rr.seqWithValue(t.seq,e.uniforms)}return e.uniformsList}function ft(e,t){const n=Ae.get(e);n.outputColorSpace=t.outputColorSpace,n.batching=t.batching,n.batchingColor=t.batchingColor,n.instancing=t.instancing,n.instancingColor=t.instancingColor,n.instancingMorph=t.instancingMorph,n.skinning=t.skinning,n.morphTargets=t.morphTargets,n.morphNormals=t.morphNormals,n.morphColors=t.morphColors,n.morphTargetsCount=t.morphTargetsCount,n.numClippingPlanes=t.numClippingPlanes,n.numIntersection=t.numClipIntersection,n.vertexAlphas=t.vertexAlphas,n.vertexTangents=t.vertexTangents,n.toneMapping=t.toneMapping}rt.setAnimationLoop(function(e){tt&&tt(e)}),"undefined"!=typeof self&&rt.setContext(self),this.setAnimationLoop=function(e){tt=e,je.setAnimationLoop(e),null===e?rt.stop():rt.start()},je.addEventListener("sessionstart",nt),je.addEventListener("sessionend",it),this.render=function(e,t){if(void 0!==t&&!0!==t.isCamera)return void D("WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===H)return;null!==V&&V.renderStart(e,t);const n=!0===je.enabled&&!0===je.isPresenting,i=null!==F&&(null===q||n)&&F.begin(G,q);if(!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0!==je.enabled||!0!==je.isPresenting||null!==F&&!1!==F.isCompositing()||(!0===je.cameraAutoUpdate&&je.updateCamera(t),t=je.getCamera()),!0===e.isScene&&e.onBeforeRender(G,e,t,q),w=Oe.get(e,y.length),w.init(t),w.state.textureUnits=be.getTextureUnits(),y.push(w),pe.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),de.setFromProjectionMatrix(pe,Nn,t.reversedDepth),fe=this.localClippingEnabled,ue=Fe.init(this.clippingPlanes,fe),U=ye.get(e,N.length),U.init(),N.push(U),!0===je.enabled&&!0===je.isPresenting){const e=G.xr.getDepthSensingMesh();null!==e&&at(e,t,-1/0,G.sortObjects)}at(e,t,0,G.sortObjects),U.finish(),!0===G.sortObjects&&U.sort(ae,oe,t.reversedDepth),ve=!1===je.enabled||!1===je.isPresenting||!1===je.hasDepthSensing(),ve&&Ge.addToRenderList(U,e),this.info.render.frame++,!0===this.info.autoReset&&this.info.reset(),!0===ue&&Fe.beginShadows();const r=w.state.shadowsArray;Be.render(r,e,t),!0===ue&&Fe.endShadows();if(!1===(i&&F.hasRenderPass())){const n=U.opaque,i=U.transmissive;if(w.setupLights(),t.isArrayCamera){const r=t.cameras;if(i.length>0)for(let t=0,a=r.length;t<a;t++){st(n,i,e,r[t])}ve&&Ge.render(e);for(let t=0,n=r.length;t<n;t++){const n=r[t];ot(U,e,n,n.viewport)}}else i.length>0&&st(n,i,e,t),ve&&Ge.render(e),ot(U,e,t)}null!==q&&0===Y&&(be.updateMultisampleRenderTarget(q),be.updateRenderTargetMipmap(q)),i&&F.end(G),!0===e.isScene&&e.onAfterRender(G,e,t),ke.resetDefaultState(),j=-1,Z=null,y.pop(),y.length>0?(w=y[y.length-1],be.setTextureUnits(w.state.textureUnits),!0===ue&&Fe.setGlobalState(G.clippingPlanes,w.state.camera)):w=null,N.pop(),U=N.length>0?N[N.length-1]:null,null!==V&&V.renderEnd()},this.getActiveCubeFace=function(){return X},this.getActiveMipmapLevel=function(){return Y},this.getRenderTarget=function(){return q},this.setRenderTargetTextures=function(e,t,n){const i=Ae.get(e);i.__autoAllocateDepthBuffer=!1===e.resolveDepthBuffer,!1===i.__autoAllocateDepthBuffer&&(i.__useRenderToTexture=!1),Ae.get(e.texture).__webglTexture=t,Ae.get(e.depthTexture).__webglTexture=i.__autoAllocateDepthBuffer?void 0:n,i.__hasExternalTextures=!0},this.setRenderTargetFramebuffer=function(e,t){const n=Ae.get(e);n.__webglFramebuffer=t,n.__useDefaultFramebuffer=void 0===t},this.setRenderTarget=function(e,t=0,n=0){q=e,X=t,Y=n;let i=null,r=!1,a=!1;if(e){const o=Ae.get(e);if(void 0!==o.__useDefaultFramebuffer)return xe.bindFramebuffer(Ke.FRAMEBUFFER,o.__webglFramebuffer),$.copy(e.viewport),Q.copy(e.scissor),J=e.scissorTest,xe.viewport($),xe.scissor(Q),xe.setScissorTest(J),void(j=-1);if(void 0===o.__webglFramebuffer)be.setupRenderTarget(e);else if(o.__hasExternalTextures)be.rebindTextures(e,Ae.get(e.texture).__webglTexture,Ae.get(e.depthTexture).__webglTexture);else if(e.depthBuffer){const t=e.depthTexture;if(o.__boundDepthTexture!==t){if(null!==t&&Ae.has(t)&&(e.width!==t.image.width||e.height!==t.image.height))throw new Error("THREE.WebGLRenderer: Attached DepthTexture is initialized to the incorrect size.");be.setupDepthRenderbuffer(e)}}const s=e.texture;(s.isData3DTexture||s.isDataArrayTexture||s.isCompressedArrayTexture)&&(a=!0);const l=Ae.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(i=Array.isArray(l[t])?l[t][n]:l[t],r=!0):i=e.samples>0&&!1===be.useMultisampledRTT(e)?Ae.get(e).__webglMultisampledFramebuffer:Array.isArray(l)?l[n]:l,$.copy(e.viewport),Q.copy(e.scissor),J=e.scissorTest}else $.copy(se).multiplyScalar(re).floor(),Q.copy(le).multiplyScalar(re).floor(),J=ce;0!==n&&(i=W);if(xe.bindFramebuffer(Ke.FRAMEBUFFER,i)&&xe.drawBuffers(e,i),xe.viewport($),xe.scissor(Q),xe.setScissorTest(J),r){const i=Ae.get(e.texture);Ke.framebufferTexture2D(Ke.FRAMEBUFFER,Ke.COLOR_ATTACHMENT0,Ke.TEXTURE_CUBE_MAP_POSITIVE_X+t,i.__webglTexture,n)}else if(a){const i=t;for(let t=0;t<e.textures.length;t++){const r=Ae.get(e.textures[t]);Ke.framebufferTextureLayer(Ke.FRAMEBUFFER,Ke.COLOR_ATTACHMENT0+t,r.__webglTexture,n,i)}}else if(null!==e&&0!==n){const t=Ae.get(e.texture);Ke.framebufferTexture2D(Ke.FRAMEBUFFER,Ke.COLOR_ATTACHMENT0,Ke.TEXTURE_2D,t.__webglTexture,n)}j=-1},this.readRenderTargetPixels=function(e,t,n,i,r,a,o,s=0){if(!e||!e.isWebGLRenderTarget)return void D("WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let l=Ae.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(l=l[o]),l){xe.bindFramebuffer(Ke.FRAMEBUFFER,l);try{const o=e.textures[s],l=o.format,c=o.type;if(e.textures.length>1&&Ke.readBuffer(Ke.COLOR_ATTACHMENT0+s),!Te.textureFormatReadable(l))return void D("WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!Te.textureTypeReadable(c))return void D("WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r&&Ke.readPixels(t,n,i,r,ze.convert(l),ze.convert(c),a)}finally{const e=null!==q?Ae.get(q).__webglFramebuffer:null;xe.bindFramebuffer(Ke.FRAMEBUFFER,e)}}},this.readRenderTargetPixelsAsync=async function(e,t,n,i,r,a,o,s=0){if(!e||!e.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let l=Ae.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(l=l[o]),l){if(t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r){xe.bindFramebuffer(Ke.FRAMEBUFFER,l);const o=e.textures[s],c=o.format,d=o.type;if(e.textures.length>1&&Ke.readBuffer(Ke.COLOR_ATTACHMENT0+s),!Te.textureFormatReadable(c))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!Te.textureTypeReadable(d))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");const u=Ke.createBuffer();Ke.bindBuffer(Ke.PIXEL_PACK_BUFFER,u),Ke.bufferData(Ke.PIXEL_PACK_BUFFER,a.byteLength,Ke.STREAM_READ),Ke.readPixels(t,n,i,r,ze.convert(c),ze.convert(d),0);const f=null!==q?Ae.get(q).__webglFramebuffer:null;xe.bindFramebuffer(Ke.FRAMEBUFFER,f);const p=Ke.fenceSync(Ke.SYNC_GPU_COMMANDS_COMPLETE,0);return Ke.flush(),await yn(Ke,p,4),Ke.bindBuffer(Ke.PIXEL_PACK_BUFFER,u),Ke.getBufferSubData(Ke.PIXEL_PACK_BUFFER,0,a),Ke.deleteBuffer(u),Ke.deleteSync(p),a}throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.")}},this.copyFramebufferToTexture=function(e,t=null,n=0){const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),a=Math.floor(e.image.height*i),o=null!==t?t.x:0,s=null!==t?t.y:0;be.setTexture2D(e,0),Ke.copyTexSubImage2D(Ke.TEXTURE_2D,n,0,0,o,s,r,a),xe.unbindTexture()},this.copyTextureToTexture=function(e,t,n=null,i=null,r=0,a=0){let o,s,l,c,d,u,f,p,m;const h=e.isCompressedTexture?e.mipmaps[a]:e.image;if(null!==n)o=n.max.x-n.min.x,s=n.max.y-n.min.y,l=n.isBox3?n.max.z-n.min.z:1,c=n.min.x,d=n.min.y,u=n.isBox3?n.min.z:0;else{const t=Math.pow(2,-r);o=Math.floor(h.width*t),s=Math.floor(h.height*t),l=e.isDataArrayTexture?h.depth:e.isData3DTexture?Math.floor(h.depth*t):1,c=0,d=0,u=0}null!==i?(f=i.x,p=i.y,m=i.z):(f=0,p=0,m=0);const _=ze.convert(t.format),g=ze.convert(t.type);let v;t.isData3DTexture?(be.setTexture3D(t,0),v=Ke.TEXTURE_3D):t.isDataArrayTexture||t.isCompressedArrayTexture?(be.setTexture2DArray(t,0),v=Ke.TEXTURE_2D_ARRAY):(be.setTexture2D(t,0),v=Ke.TEXTURE_2D),xe.activeTexture(Ke.TEXTURE0),xe.pixelStorei(Ke.UNPACK_FLIP_Y_WEBGL,t.flipY),xe.pixelStorei(Ke.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),xe.pixelStorei(Ke.UNPACK_ALIGNMENT,t.unpackAlignment);const E=xe.getParameter(Ke.UNPACK_ROW_LENGTH),S=xe.getParameter(Ke.UNPACK_IMAGE_HEIGHT),M=xe.getParameter(Ke.UNPACK_SKIP_PIXELS),T=xe.getParameter(Ke.UNPACK_SKIP_ROWS),x=xe.getParameter(Ke.UNPACK_SKIP_IMAGES);xe.pixelStorei(Ke.UNPACK_ROW_LENGTH,h.width),xe.pixelStorei(Ke.UNPACK_IMAGE_HEIGHT,h.height),xe.pixelStorei(Ke.UNPACK_SKIP_PIXELS,c),xe.pixelStorei(Ke.UNPACK_SKIP_ROWS,d),xe.pixelStorei(Ke.UNPACK_SKIP_IMAGES,u);const R=e.isDataArrayTexture||e.isData3DTexture,A=t.isDataArrayTexture||t.isData3DTexture;if(e.isDepthTexture){const n=Ae.get(e),i=Ae.get(t),h=Ae.get(n.__renderTarget),_=Ae.get(i.__renderTarget);xe.bindFramebuffer(Ke.READ_FRAMEBUFFER,h.__webglFramebuffer),xe.bindFramebuffer(Ke.DRAW_FRAMEBUFFER,_.__webglFramebuffer);for(let n=0;n<l;n++)R&&(Ke.framebufferTextureLayer(Ke.READ_FRAMEBUFFER,Ke.COLOR_ATTACHMENT0,Ae.get(e).__webglTexture,r,u+n),Ke.framebufferTextureLayer(Ke.DRAW_FRAMEBUFFER,Ke.COLOR_ATTACHMENT0,Ae.get(t).__webglTexture,a,m+n)),Ke.blitFramebuffer(c,d,o,s,f,p,o,s,Ke.DEPTH_BUFFER_BIT,Ke.NEAREST);xe.bindFramebuffer(Ke.READ_FRAMEBUFFER,null),xe.bindFramebuffer(Ke.DRAW_FRAMEBUFFER,null)}else if(0!==r||e.isRenderTargetTexture||Ae.has(e)){const n=Ae.get(e),i=Ae.get(t);xe.bindFramebuffer(Ke.READ_FRAMEBUFFER,z),xe.bindFramebuffer(Ke.DRAW_FRAMEBUFFER,k);for(let e=0;e<l;e++)R?Ke.framebufferTextureLayer(Ke.READ_FRAMEBUFFER,Ke.COLOR_ATTACHMENT0,n.__webglTexture,r,u+e):Ke.framebufferTexture2D(Ke.READ_FRAMEBUFFER,Ke.COLOR_ATTACHMENT0,Ke.TEXTURE_2D,n.__webglTexture,r),A?Ke.framebufferTextureLayer(Ke.DRAW_FRAMEBUFFER,Ke.COLOR_ATTACHMENT0,i.__webglTexture,a,m+e):Ke.framebufferTexture2D(Ke.DRAW_FRAMEBUFFER,Ke.COLOR_ATTACHMENT0,Ke.TEXTURE_2D,i.__webglTexture,a),0!==r?Ke.blitFramebuffer(c,d,o,s,f,p,o,s,Ke.COLOR_BUFFER_BIT,Ke.NEAREST):A?Ke.copyTexSubImage3D(v,a,f,p,m+e,c,d,o,s):Ke.copyTexSubImage2D(v,a,f,p,c,d,o,s);xe.bindFramebuffer(Ke.READ_FRAMEBUFFER,null),xe.bindFramebuffer(Ke.DRAW_FRAMEBUFFER,null)}else A?e.isDataTexture||e.isData3DTexture?Ke.texSubImage3D(v,a,f,p,m,o,s,l,_,g,h.data):t.isCompressedArrayTexture?Ke.compressedTexSubImage3D(v,a,f,p,m,o,s,l,_,h.data):Ke.texSubImage3D(v,a,f,p,m,o,s,l,_,g,h):e.isDataTexture?Ke.texSubImage2D(Ke.TEXTURE_2D,a,f,p,o,s,_,g,h.data):e.isCompressedTexture?Ke.compressedTexSubImage2D(Ke.TEXTURE_2D,a,f,p,h.width,h.height,_,h.data):Ke.texSubImage2D(Ke.TEXTURE_2D,a,f,p,o,s,_,g,h);xe.pixelStorei(Ke.UNPACK_ROW_LENGTH,E),xe.pixelStorei(Ke.UNPACK_IMAGE_HEIGHT,S),xe.pixelStorei(Ke.UNPACK_SKIP_PIXELS,M),xe.pixelStorei(Ke.UNPACK_SKIP_ROWS,T),xe.pixelStorei(Ke.UNPACK_SKIP_IMAGES,x),0===a&&t.generateMipmaps&&Ke.generateMipmap(v),xe.unbindTexture()},this.initRenderTarget=function(e){void 0===Ae.get(e).__webglFramebuffer&&be.setupRenderTarget(e)},this.initTexture=function(e){e.isCubeTexture?be.setTextureCube(e,0):e.isData3DTexture?be.setTexture3D(e,0):e.isDataArrayTexture||e.isCompressedArrayTexture?be.setTexture2DArray(e,0):be.setTexture2D(e,0),xe.unbindTexture()},this.resetState=function(){X=0,Y=0,q=null,xe.reset(),ke.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return Nn}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(e){this._outputColorSpace=e;const t=this.getContext();t.drawingBufferColorSpace=f._getDrawingBufferColorSpace(e),t.unpackColorSpace=f._getUnpackColorSpace()}}export{J as ACESFilmicToneMapping,Ne as AddEquation,de as AddOperation,ct as AdditiveBlending,Q as AgXToneMapping,Ft as AlphaFormat,xt as AlwaysCompare,tt as AlwaysDepth,bn as ArrayCamera,c as BackSide,s as BoxGeometry,N as BufferAttribute,b as BufferGeometry,yt as ByteType,ee as CineonToneMapping,mt as ClampToEdgeWrapping,n as Color,f as ColorManagement,Oe as ConstantAlphaFactor,Be as ConstantColorFactor,G as CubeCamera,Pe as CubeDepthTexture,R as CubeReflectionMapping,A as CubeRefractionMapping,F as CubeTexture,a as CubeUVReflectionMapping,rt as CullFaceBack,at as CullFaceFront,it as CullFaceNone,ot as CustomBlending,Z as CustomToneMapping,ie as Data3DTexture,X as DataArrayTexture,Ln as DataTexture,be as DepthFormat,bt as DepthStencilFormat,Y as DepthTexture,he as DoubleSide,ze as DstAlphaFactor,ke as DstColorFactor,Mt as EqualCompare,Je as EqualDepth,H as EquirectangularReflectionMapping,V as EquirectangularRefractionMapping,An as EventDispatcher,Rn as ExternalTexture,q as Float32BufferAttribute,M as FloatType,h as FrontSide,Ue as Frustum,se as GLSL3,St as GreaterCompare,$e as GreaterDepth,re as GreaterEqualCompare,Qe as GreaterEqualDepth,E as HalfFloatType,g as IntType,Ee as Layers,Tt as LessCompare,et as LessDepth,ae as LessEqualCompare,De as LessEqualDepth,O as LinearFilter,B as LinearMipmapLinearFilter,_t as LinearMipmapNearestFilter,y as LinearSRGBColorSpace,ne as LinearToneMapping,pe as LinearTransfer,e as Matrix3,u as Matrix4,ft as MaxEquation,o as Mesh,U as MeshBasicMaterial,xe as MeshDepthMaterial,Re as MeshDistanceMaterial,ut as MinEquation,pt as MirroredRepeatWrapping,ue as MixOperation,st as MultiplyBlending,fe as MultiplyOperation,Ce as NearestFilter,gt as NearestMipmapLinearFilter,vt as NearestMipmapNearestFilter,$ as NeutralToneMapping,Rt as NeverCompare,nt as NeverDepth,w as NoBlending,At as NoColorSpace,L as NoToneMapping,_e as NormalBlending,Et as NotEqualCompare,Ze as NotEqualDepth,ve as ObjectSpaceNormalMap,qe as OneFactor,ye as OneMinusConstantAlphaFactor,Fe as OneMinusConstantColorFactor,Ge as OneMinusDstAlphaFactor,He as OneMinusDstColorFactor,Ve as OneMinusSrcAlphaFactor,We as OneMinusSrcColorFactor,C as OrthographicCamera,ce as PCFShadowMap,Ae as PCFSoftShadowMap,ri as PMREMGenerator,P as PerspectiveCamera,x as Plane,m as PlaneGeometry,en as R11_EAC_Format,Te as RED_GREEN_RGTC2_Format,Mn as RED_RGTC1_Format,wn as REVISION,Me as RG11_EAC_Format,T as RGBAFormat,Wt as RGBAIntegerFormat,hn as RGBA_ASTC_10x10_Format,fn as RGBA_ASTC_10x5_Format,pn as RGBA_ASTC_10x6_Format,mn as RGBA_ASTC_10x8_Format,_n as RGBA_ASTC_12x10_Format,gn as RGBA_ASTC_12x12_Format,rn as RGBA_ASTC_4x4_Format,an as RGBA_ASTC_5x4_Format,on as RGBA_ASTC_5x5_Format,sn as RGBA_ASTC_6x5_Format,ln as RGBA_ASTC_6x6_Format,cn as RGBA_ASTC_8x5_Format,dn as RGBA_ASTC_8x6_Format,un as RGBA_ASTC_8x8_Format,vn as RGBA_BPTC_Format,Jt as RGBA_ETC2_EAC_Format,Zt as RGBA_PVRTC_2BPPV1_Format,jt as RGBA_PVRTC_4BPPV1_Format,kt as RGBA_S3TC_DXT1_Format,Xt as RGBA_S3TC_DXT3_Format,Kt as RGBA_S3TC_DXT5_Format,Bt as RGBFormat,En as RGB_BPTC_SIGNED_Format,Sn as RGB_BPTC_UNSIGNED_Format,$t as RGB_ETC1_Format,Qt as RGB_ETC2_Format,qt as RGB_PVRTC_2BPPV1_Format,Yt as RGB_PVRTC_4BPPV1_Format,zt as RGB_S3TC_DXT1_Format,Se as RGFormat,Vt as RGIntegerFormat,j as RawShaderMaterial,Gt as RedFormat,Ht as RedIntegerFormat,te as ReinhardToneMapping,ht as RepeatWrapping,we as ReverseSubtractEquation,tn as SIGNED_R11_EAC_Format,xn as SIGNED_RED_GREEN_RGTC2_Format,Tn as SIGNED_RED_RGTC1_Format,nn as SIGNED_RG11_EAC_Format,Dn as SRGBColorSpace,p as SRGBTransfer,Bn as ShaderChunk,Hn as ShaderLib,l as ShaderMaterial,Ot as ShortType,Ke as SrcAlphaFactor,Xe as SrcAlphaSaturateFactor,Ye as SrcColorFactor,Ie as SubtractEquation,lt as SubtractiveBlending,ge as TangentSpaceNormalMap,oe as Texture,k as Uint16BufferAttribute,z as Uint32BufferAttribute,Gn as UniformsLib,me as UniformsUtils,S as UnsignedByteType,Nt as UnsignedInt101111Type,Pt as UnsignedInt248Type,It as UnsignedInt5999Type,Le as UnsignedIntType,Dt as UnsignedShort4444Type,wt as UnsignedShort5551Type,Lt as UnsignedShortType,le as VSMShadowMap,t as Vector2,i as Vector3,K as Vector4,Nn as WebGLCoordinateSystem,di as WebGLCubeRenderTarget,I as WebGLRenderTarget,Pa as WebGLRenderer,Ea as WebGLUtils,Cn as WebXRController,je as ZeroFactor,Un as createCanvasElement,D as error,In as log,v as warn,W as warnOnce};