three实现三维寺庙拜佛打坐礼佛场景体验代码

代码语言:html

所属分类:其他

代码由minimax-m3.1-flash ai生成,可能有错误,仅供参考:点击查看提示词

代码描述:三维寺庙拜佛打坐礼佛

代码标签: three 三维 寺庙 拜佛 打坐 礼佛 场景 体验 代码

下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,viewport-fit=cover">
<title>大雄宝殿 · 灵隐寺内景</title>
<meta name="description" content="可交互的寺庙内部三维场景:香客入殿、跪拜磕头、打坐诵经、上香礼佛,含程序化音效与香火烟雾。">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link rel="preload" as="style" href="https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&family=Noto+Serif+SC:wght@400;600;700&display=swap" onload="this.onload=null;this.rel='stylesheet'">
<noscript><link href="https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&family=Noto+Serif+SC:wght@400;600;700&display=swap" rel="stylesheet"></noscript>
<style>
:root{
  --ink:#0d0a08;
  --ink-2:#161009;
  --panel:rgba(24,17,11,.72);
  --panel-2:rgba(18,13,9,.86);
  --line:rgba(216,164,75,.22);
  --line-soft:rgba(216,164,75,.12);
  --gold:#d8a44b;
  --gold-soft:#e8c583;
  --text:#efe3d2;
  --text-dim:#b3a596;
  --text-faint:#8a8074;
  --radius:14px;
  --font-cn:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:"Outfit","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden;background:var(--ink);}
body{
  font-family:var(--font-sans);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
#scene{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
#scene:active{cursor:grabbing}

/* ---------------- 入殿遮罩 ---------------- */
#veil{
  position:fixed;inset:0;z-index:50;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:26px;text-align:center;
  background:
    radial-gradient(120% 90% at 50% 42%, rgba(72,44,18,.55) 0%, rgba(13,10,8,.94) 62%, #0b0806 100%);
  backdrop-filter:blur(3px);
  transition:opacity .85s ease, visibility .85s;
}
#veil.gone{opacity:0;visibility:hidden;pointer-events:none}
.veil-mark{width:86px;height:86px;opacity:.95}
.veil-mark path,.veil-mark circle,.veil-mark line{stroke:var(--gold);stroke-width:1.1;fill:none;opacity:.92}
.veil-title{
  font-family:var(--font-cn);font-size:40px;letter-spacing:.42em;font-weight:600;
  color:#f4e4c8;text-indent:.42em;
  text-shadow:0 0 34px rgba(216,164,75,.35);
}
.veil-sub{font-family:var(--font-cn);font-size:14.5px;letter-spacing:.3em;color:var(--text-dim);text-indent:.3em}
.veil-note{font-size:13px;color:var(--text-faint);max-width:520px;line-height:1.9}
#enterBtn{
  margin-top:6px;padding:13px 40px;border:1px solid var(--gold);
  background:linear-gradient(180deg,rgba(216,164,75,.16),rgba(216,164,75,.05));
  color:var(--gold-soft);font-family:var(--font-cn);font-size:15.5px;letter-spacing:.34em;
  text-indent:.34em;cursor:pointer;border-radius:3px;transition:.28s;
}
#enterBtn:hover{background:rgba(216,164,75,.24);color:#fff3dc;box-shadow:0 0 34px rgba(216,164,75,.28);transform:translateY(-1px)}
.veil-loading{font-size:12px;color:var(--text-faint);letter-spacing:.2em}

/* ---------------- HUD ---------------- */
#hud{position:fixed;inset:0;z-index:20;pointer-events:none}
#hud > *{pointer-events:auto}

.brand{
  position:absolute;top:26px;left:30px;
  display:flex;flex-direction:column;gap:7px;
}
.brand h1{
  font-family:var(--font-cn);font-size:23px;font-weight:600;letter-spacing:.3em;
  color:#f0e2ca;text-shadow:0 2px 20px rgba(0,0,0,.75);
}
.brand p{font-size:11.5px;letter-spacing:.24em;color:var(--text-faint);text-transform:uppercase}
.brand .rule{width:46px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}

/* 统计 */
.stats{
  position:absolute;top:26px;right:30px;
  display:flex;gap:26px;padding:12px 20px;
  background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);
  backdrop-filter:blur(14px);
}
.stat{display:flex;flex-direction:column;gap:3px;min-width:52px}
.stat .k{font-size:10.5px;letter-spacing:.16em;color:var(--text-faint)}
.stat .v{font-family:var(--font-mono);font-size:17px;color:var(--gold-soft);font-weight:500}

/* 指令面板 */
.cmd-panel{
  position:absolute;right:30px;top:50%;transform:translate(14px,-50%);
  width:218px;padding:18px;
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);
  backdrop-filter:blur(16px);
  opacity:0;visibility:hidden;transition:.34s cubic-bezier(.22,.8,.3,1);
}
.cmd-panel.show{opacity:1;visibility:visible;transform:translate(0,-50%)}
.cmd-panel h3{font-family:var(--font-cn);font-size:16px;letter-spacing:.18em;color:var(--gold-soft);font-weight:600}
.cmd-panel .state{font-size:11.5px;color:var(--text-faint);margin-top:4px;letter-spacing:.14em}
.cmd-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}
.cmd-btn{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:11px 6px;border:1px solid var(--line-soft);border-radius:10px;
  background:rgba(216,164,75,.05);color:var(--text);
  font-family:var(--font-cn);font-size:13px;letter-spacing:.14em;cursor:pointer;transition:.2s;
}
.cmd-btn svg{width:17px;height:17px;stroke:var(--gold);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.cmd-btn:hover{background:rgba(216,164,75,.16);border-color:var(--gold);transform:translateY(-2px)}
.cmd-btn.wide{grid-column:span 2;flex-direction:row;justify-content:center;gap:9px}

/* 底部工具条 */
.toolbar{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  display:flex;align-items:center;gap:5px;
  padding:8px 10px;
  background:var(--panel);border:1px solid var(--line-soft);border-radius:16px;
  backdrop-filter:blur(16px);
  max-width:min(95vw,1160px);flex-wrap:nowrap;justify-content:flex-start;
  overflow-x:auto;overflow-y:hidden;scrollbar-width:none;
}
.toolbar::-webkit-scrollbar{display:none}
.tb-group{display:flex;align-items:center;gap:4px}
.tb-sep{width:1px;height:26px;background:var(--line-soft);margin:0 6px}
.tb-btn{
  display:inline-flex;align-items:center;gap:7px;flex-shrink:0;white-space:nowrap;
  padding:8px 10px;border:1px solid transparent;border-radius:10px;
  background:transparent;color:var(--text-dim);
  font-family:var(--font-cn);font-size:13px;letter-spacing:.12em;cursor:pointer;transition:.2s;
}
.tb-group{flex-shrink:0}
.slider{flex-shrink:0}
.tb-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.tb-btn:hover{background:rgba(216,164,75,.12);color:var(--gold-soft)}
.tb-btn.on{background:rgba(216,164,75,.18);border-color:var(--line);color:var(--gold-soft)}
.tb-btn.off{color:#6d6357}
.tb-btn.icon{padding:8px 9px}

.slider{display:flex;align-items:center;gap:6px;padding:0 6px}
.slider label{font-size:11px;letter-spacing:.16em;color:var(--text-faint);white-space:nowrap}
.slider input[type=range]{
  -webkit-appearance:none;appearance:none;width:66px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--gold),rgba(216,164,75,.18));outline:none;cursor:pointer;
}
.slider input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:13px;height:13px;border-radius:50%;
  background:var(--gold-soft);border:2px solid #2a1e10;box-shadow:0 1px 6px rgba(0,0,0,.5);
}
.slider input[type=range]::-moz-range-thumb{
  width:12px;height:12px;border-radius:50%;background:var(--gold-soft);border:2px solid #2a1e10;
}
.slider .val{font-family:var(--font-mono);font-size:11.5px;color:var(--gold-soft);min-width:30px;text-align:right}

/* 字幕 */
#subtitle{
  position:absolute;left:50%;bottom:112px;transform:translateX(-50%) translateY(8px);
  font-family:var(--font-cn);font-size:15px;letter-spacing:.2em;color:#e6d5ba;
  text-shadow:0 2px 16px rgba(0,0,0,.85);
  padding:9px 26px;border-radius:999px;
  background:rgba(14,10,7,.42);border:1px solid var(--line-soft);
  opacity:0;transition:opacity .8s ease, transform .8s ease;
  white-space:nowrap;max-width:92vw;overflow:hidden;text-overflow:ellipsis;
}
#subtitle.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 提示气泡 */
#cmdHint{
  position:absolute;left:50%;bottom:172px;transform:translateX(-50%) translateY(6px);
  font-size:12.5px;letter-spacing:.16em;color:var(--gold-soft);
  background:rgba(20,14,9,.82);border:1px solid var(--line);border-radius:999px;
  padding:7px 18px;opacity:0;transition:.3s;
}
#cmdHint.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 左下角操作提示 */
.hint{
  position:absolute;left:30px;bottom:104px;
  font-size:11.5px;line-height:2;color:var(--text-faint);letter-spacing:.1em;
}
.hint b{color:var(--text-dim);font-weight:500}
.hint kbd{
  font-family:var(--font-mono);font-size:10.5px;padding:2px 6px;border-radius:5px;
  background:rgba(216,164,75,.1);border:1px solid var(--line-soft);color:var(--gold-soft);margin:0 2px;
}

/* 右上角时辰名 */
.shichen{
  position:absolute;right:30px;top:106px;text-align:right;
}
.shichen .n{font-family:var(--font-cn);font-size:17px;letter-spacing:.24em;color:var(--gold-soft)}
.shichen .s{font-size:11px;letter-spacing:.16em;color:var(--text-faint);margin-top:3px}

@media (max-width:900px){
  .toolbar{justify-content:flex-start;left:12px;right:12px;transform:none;max-width:none;border-radius:14px}
  .shichen{top:auto;bottom:74px;right:14px}
  .shichen .n{font-size:14px}
  .brand h1{font-size:18px}
  .stats{gap:16px;padding:9px 14px}
  .toolbar{bottom:14px;gap:4px;padding:7px}
  .tb-btn span{display:none}
  .tb-btn{padding:8px 10px}
  .slider input[type=range]{width:62px}
  .hint{display:none}
  .cmd-panel{right:12px;top:auto;bottom:150px;transform:translate(0,10px);width:184px}
  .cmd-panel.show{transform:translate(0,0)}
  #subtitle{bottom:96px;font-size:13px}
}

</style>
</head>
<body>

<canvas id="scene"></canvas>

<!-- 入殿遮罩 -->
<div id="veil">
  <svg class="veil-mark" viewBox="0 0 64 64" aria-hidden="true">
    <circle cx="32" cy="32" r="27"></circle>
    <circle cx="32" cy="32" r="20"></circle>
    <path d="M32 5 L32 12 M32 52 L32 59 M5 32 L12 32 M52 32 L59 32"></path>
    <path d="M14 40 Q32 26 50 40"></path>
    <path d="M14 46 Q32 34 50 46"></path>
    <path d="M26 22 L32 14 L38 22"></path>
  </svg>
  <div class="veil-title">大雄宝殿</div>
  <div class="veil-sub">灵 隐 寺 · 内 景</div>
  <p class="veil-note">
    殿内香客往来:或跪拜叩首,或结跏趺坐,或执香祈愿。<br>
    钟磬梵音、烛影香烟,皆为实时合成。拖拽环视,点击人物可指引其动作。
  </p>
  <button id="enterBtn">入 殿</button>
  <div class="veil-loading" id="hintEnter">正在营造殿宇 · 请稍候</div>
</div>

<!-- HUD -->
<div id="hud">

  <div class="brand">
    <h1>大雄宝殿</h1>
    <div class="rule"></div>
    <p>Lingyin Temple · Main Hall Interior</p>
  </div>

  <div class="stats">
    <div class="stat"><span class="k">在殿人数</span><span class="v" id="statPeople">0</span></div>
    <div class="stat"><span class="k">殿内香支</span><span class="v" id="statSticks">0</span></div>
    <div class="stat"><span class="k">时辰</span><span class="v" id="statTime">16:30</span></div>
  </div>

  <div class="cmd-panel" id="cmdPanel">
    <h3 id="cmdName">进殿香客</h3>
    <div class="state">当前状态 · <span id="cmdState">静候</span></div>
    <div class="cmd-grid">
      <button class="cmd-btn" data-cmd="kowtow">
        <svg viewBox="0 0 24 24"><path d="M4 20h16"/><path d="M12 4v7"/><path d="M8 11l4 4 4-4"/><path d="M6 16c2-1 4-1 6-1s4 0 6 1"/></svg>
        叩 拜
      </button>
      <button class="cmd-btn" data-cmd="meditate">
        <svg viewBox="0 0 24 24"><circle cx="12" cy="12" r="8"/><path d="M12 8v4l2.5 2"/></svg>
        打 坐
      </button>
      <button class="cmd-btn" data-cmd="incense">
        <svg viewBox="0 0 24 24"><path d="M12 3c2 3 3.5 5 3.5 7a3.5 3.5 0 0 1-7 0c0-2 1.5-4 3.5-7z"/><path d="M6 21h12"/></svg>
        上 香
      </button>
      <button class="cmd-btn" data-cmd="pray">
        <svg viewBox="0 0 24 24"><path d="M12 21V8"/><path d="M12 8 8 3M12 8l4-5"/><path d="M8 3c-1.5 1-2 2.5-2 4M16 3c1.5 1 2 2.5 2 4"/></svg>
        合 十
      </button>
      <button class="cmd-btn wide" data-cmd="walk">
        <svg viewBox="0 0 24 24"><circle cx="13" cy="4.5" r="1.6"/><path d="M11 21l1.5-6-2-2.5.5-5 3 2 2.5 1"/><path d="M10.5 10 7 12"/></svg>
        自 由 行 走
      </button>
    </div>
  </div>

  <div id="subtitle" class="show">晨钟暮鼓,礼佛烧香,一炷心香通佛地。</div>
  <div id="cmdHint"></div>

  <div class="toolbar">
    <div class="tb-group">
      <button class="tb-btn" data-preset="overview" title="全景 (1)">
        <svg viewBox="0 0 24 24"><rect x="3" y="4" width="18" height="16" rx="2"/><path d="M3 10h18"/><path d="M9 10v10"/></svg><span>全景</span>
      </button>
      <button class="tb-btn" data-preset="buddha" title="佛前 (2)">
        <svg viewBox="0 0 24 24"><circle cx="12" cy="9" r="4"/><path d="M5 21c1.5-4 4-6 7-6s5.5 2 7 6"/><path d="M12 2v1"/></svg><span>佛前</span>
      </button>
      <button class="tb-btn" data-preset="censer" title="香炉 (3)">
        <svg viewBox="0 0 24 24"><path d="M5 9h14l-1.5 8h-11z"/><path d="M3 9h18"/><path d="M9 5c1-1 1-2 0-3M13 5c1-1 1-2 0-3"/></svg><span>香炉</span>
      </button>
      <button class="tb-btn" data-preset="hall" title="殿宇 (4)">
        <svg viewBox="0 0 24 24"><path d="M3 10 12 4l9 6"/><path d="M5 10v10h14V10"/><path d="M9 20v-6h6v6"/></svg><span>殿宇</span>
      </button>
      <button class="tb-btn" data-preset="gate" title="山门 (5)">
        <svg viewBox="0 0 24 24"><path d="M4 21V6l8-3 8 3v15"/><path d="M9 21v-7h6v7"/></svg><span>山门</span>
      </button>
      <button class="tb-btn" data-preset="aisle" title="甬道 (6)">
        <svg viewBox="0 0 24 24"><path d="M4 3v18M20 3v18"/><path d="M4 12h16"/></svg><span>甬道</span>
      </button>
    </div>

    <div class="tb-sep"></div>

    <div class="tb-group">
      <button class="tb-btn icon on" id="sndBtn" data-on="1" title="音效开关">
        <svg viewBox="0 0 24 24"><path d="M4 9v6h4l5 4V5L8 9z"/><path d="M17 8.5a5 5 0 0 1 0 7"/><path d="M19.5 6a8.5 8.5 0 0 1 0 12"/></svg>
      </button>
      <button class="tb-btn icon on" id="autoBtn" title="自动巡游 (空格)">
        <svg viewBox="0 0 24 24"><path d="M21 12a9 9 0 1 1-3.5-7.1"/><path d="M21 4v5h-5"/></svg>
      </button>
    </div>

    <div class="tb-sep"></div>

    <div class="slider">
      <label>香客</label>
      <input type="range" id="cnt" min="1" max="14" value="7" step="1">
      <span class="val" id="cntVal">7</span>
    </div>
    <div class="slider">
      <label>时辰</label>
      <input type="range" id="hour" min="0" max="23.9" value="16.5" step="0.1">
      <span class="val" id="hourVal">16:30</span>
    </div>
    <div class="slider">
      <label>香火</label>
      <input type="range" id="smokeAmt" min="0" max="2" value="1" step="0.05">
      <span class="val" id="smokeVal">100%</span>
    </div>
    <div class="slider">
      <label>音量</label>
      <input type="range" id="vol" min="0" max="1" value="0.8" step="0.01">
      <span class="val" id="volVal">80%</span>
    </div>
  </div>

  <div class="hint">
    <div><b>拖拽</b> 环视殿宇 · <b>滚轮</b> 推近拉远 · <b>右键拖拽</b> 平移</div>
    <div><b>点击人物</b> 选中并指引 · <b>1–6</b> 切换机位 · <b>空格</b> 巡游</div>
  </div>

  <div class="shichen">
    <div class="n" id="shichenName">申时 · 晝</div>
    <div class="s">一日 · 二十四时</div>
  </div>

</div>

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this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return ui[t].primaries},getTransfer:function(t){return t===Xe?Je:ui[t].transfer}};function mi(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function fi(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let gi;class _i{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===gi&&(gi=si("canvas")),gi.width=t.width,gi.height=t.height;const n=gi.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=gi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=si("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t<r.length;t++)r[t]=255*mi(r[t]/255);return n.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*mi(e[t]/255)):e[t]=mi(e[t]);return{data:e,width:t.width,height:t.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let vi=0;class xi{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:vi++}),this.uuid=Wn(),this.data=t,this.dataReady=!0,this.version=0}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 n={uuid:this.uuid,url:""},i=this.data;if(null!==i){let t;if(Array.isArray(i)){t=[];for(let e=0,n=i.length;e<n;e++)i[e].isDataTexture?t.push(yi(i[e].image)):t.push(yi(i[e]))}else t=yi(i);n.url=t}return e||(t.images[this.uuid]=n),n}}function yi(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?_i.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let Mi=0;class Si extends zn{constructor(t=Si.DEFAULT_IMAGE,e=Si.DEFAULT_MAPPING,n=1001,i=1001,r=1006,s=1008,a=1023,o=1009,l=Si.DEFAULT_ANISOTROPY,c=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Mi++}),this.uuid=Wn(),this.name="",this.source=new xi(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=s,this.anisotropy=l,this.format=a,this.internalFormat=null,this.type=o,this.offset=new Qn(0,0),this.repeat=new Qn(1,1),this.center=new Qn(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new ti,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,"string"==typeof c?this.colorSpace=c:(li("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=c===He?je:Xe),this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(t=null){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)}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.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.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const n={metadata:{version:4.6,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,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&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==at)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case dt:t.x=t.x-Math.floor(t.x);break;case pt:t.x=t.x<0?0:1;break;case mt: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 dt:t.y=t.y-Math.floor(t.y);break;case pt:t.y=t.y<0?0:1;break;case mt: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)}get encoding(){return li("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace===je?He:ze}set encoding(t){li("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=t===He?je:Xe}}Si.DEFAULT_IMAGE=null,Si.DEFAULT_MAPPING=at,Si.DEFAULT_ANISOTROPY=1;class bi{constructor(t=0,e=0,n=0,i=1){bi.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,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,n,i){return this.x=t,this.y=e,this.z=n,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("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("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,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,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,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(c-u)<s&&Math.abs(h-m)<s&&Math.abs(p-f)<s){if(Math.abs(c+u)<a&&Math.abs(h+m)<a&&Math.abs(p+f)<a&&Math.abs(l+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(l+1)/2,o=(d+1)/2,_=(g+1)/2,v=(c+u)/4,x=(h+m)/4,y=(p+f)/4;return t>o&&t>_?t<s?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(t),i=v/n,r=x/n):o>_?o<s?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(o),n=v/i,r=y/i):_<s?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(_),n=x/r,i=y/r),this.set(n,i,r,e),this}let _=Math.sqrt((f-p)*(f-p)+(h-m)*(h-m)+(u-c)*(u-c));return Math.abs(_)<.001&&(_=1),this.x=(f-p)/_,this.y=(h-m)/_,this.z=(u-c)/_,this.w=Math.acos((l+d+g-1)/2),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=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this.w=Math.max(t,Math.min(e,this.w)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}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,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this.w=t.w+(e.w-t.w)*n,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 Ei extends zn{constructor(t=1,e=1,n={}){super(),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=1,this.scissor=new bi(0,0,t,e),this.scissorTest=!1,this.viewport=new bi(0,0,t,e);const i={width:t,height:e,depth:1};void 0!==n.encoding&&(li("THREE.WebGLRenderTarget: option.encoding has been replaced by option.colorSpace."),n.colorSpace=n.encoding===He?je:Xe),n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:yt,depthBuffer:!0,stencilBuffer:!1,depthTexture:null,samples:0},n),this.texture=new Si(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=n.generateMipmaps,this.texture.internalFormat=n.internalFormat,this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.depthTexture=n.depthTexture,this.samples=n.samples}setSize(t,e,n=1){this.width===t&&this.height===e&&this.depth===n||(this.width=t,this.height=e,this.depth=n,this.texture.image.width=t,this.texture.image.height=e,this.texture.image.depth=n,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.texture=t.texture.clone(),this.texture.isRenderTargetTexture=!0;const e=Object.assign({},t.texture.image);return this.texture.source=new xi(e),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Ti extends Ei{constructor(t=1,e=1,n={}){super(t,e,n),this.isWebGLRenderTarget=!0}}class wi extends Si{constructor(t=null,e=1,n=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:n,depth:i},this.magFilter=ft,this.minFilter=ft,this.wrapR=pt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Ai extends Ti{constructor(t=1,e=1,n=1,i={}){super(t,e,i),this.isWebGLArrayRenderTarget=!0,this.depth=n,this.texture=new wi(null,t,e,n),this.texture.isRenderTargetTexture=!0}}class Ri extends Si{constructor(t=null,e=1,n=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:n,depth:i},this.magFilter=ft,this.minFilter=ft,this.wrapR=pt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Ci extends Ti{constructor(t=1,e=1,n=1,i={}){super(t,e,i),this.isWebGL3DRenderTarget=!0,this.depth=n,this.texture=new Ri(null,t,e,n),this.texture.isRenderTargetTexture=!0}}class Pi extends Ti{constructor(t=1,e=1,n=1,i={}){super(t,e,i),this.isWebGLMultipleRenderTargets=!0;const r=this.texture;this.texture=[];for(let t=0;t<n;t++)this.texture[t]=r.clone(),this.texture[t].isRenderTargetTexture=!0}setSize(t,e,n=1){if(this.width!==t||this.height!==e||this.depth!==n){this.width=t,this.height=e,this.depth=n;for(let i=0,r=this.texture.length;i<r;i++)this.texture[i].image.width=t,this.texture[i].image.height=e,this.texture[i].image.depth=n;this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}copy(t){this.dispose(),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.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.texture.length=0;for(let e=0,n=t.texture.length;e<n;e++)this.texture[e]=t.texture[e].clone(),this.texture[e].isRenderTargetTexture=!0;return this}}class Li{constructor(t=0,e=0,n=0,i=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=n,this._w=i}static slerpFlat(t,e,n,i,r,s,a){let o=n[i+0],l=n[i+1],c=n[i+2],h=n[i+3];const u=r[s+0],d=r[s+1],p=r[s+2],m=r[s+3];if(0===a)return t[e+0]=o,t[e+1]=l,t[e+2]=c,void(t[e+3]=h);if(1===a)return t[e+0]=u,t[e+1]=d,t[e+2]=p,void(t[e+3]=m);if(h!==m||o!==u||l!==d||c!==p){let t=1-a;const e=o*u+l*d+c*p+h*m,n=e>=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*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,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}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=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),c=a(i/2),h=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>h){const t=2*Math.sqrt(1+n-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-n-h);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return n<Number.EPSILON?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(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=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(Xn(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);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 n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+s*a+i*l-r*o,this._y=i*c+s*o+r*a-n*l,this._z=r*c+s*l+n*o-i*a,this._w=s*c-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=Math.random(),e=Math.sqrt(1-t),n=Math.sqrt(t),i=2*Math.PI*Math.random(),r=2*Math.PI*Math.random();return this.set(e*Math.cos(i),n*Math.sin(r),n*Math.cos(r),e*Math.sin(i))}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 Ii{constructor(t=0,e=0,n=0){Ii.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,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("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("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(Ni.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Ni.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=2*(s*i-a*n),c=2*(a*e-r*i),h=2*(r*n-s*e);return this.x=e+o*l+s*h-a*c,this.y=n+o*c+a*l-r*h,this.z=i+o*h+r*c-s*l,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,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+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=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}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,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return Ui.copy(this).projectOnVector(t),this.sub(Ui)}reflect(t){return this.sub(Ui.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 n=this.dot(t)/e;return Math.acos(Xn(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+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,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,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(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,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=2*(Math.random()-.5),e=Math.random()*Math.PI*2,n=Math.sqrt(1-t**2);return this.x=n*Math.cos(e),this.y=n*Math.sin(e),this.z=t,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ui=new Ii,Ni=new Li;class Di{constructor(t=new Ii(1/0,1/0,1/0),e=new Ii(-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,n=t.length;e<n;e+=3)this.expandByPoint(Fi.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,n=t.count;e<n;e++)this.expandByPoint(Fi.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=Fi.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),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 n=t.geometry;if(void 0!==n){const i=n.getAttribute("position");if(!0===e&&void 0!==i&&!0!==t.isInstancedMesh)for(let e=0,n=i.count;e<n;e++)!0===t.isMesh?t.getVertexPosition(e,Fi):Fi.fromBufferAttribute(i,e),Fi.applyMatrix4(t.matrixWorld),this.expandByPoint(Fi);else void 0!==t.boundingBox?(null===t.boundingBox&&t.computeBoundingBox(),Bi.copy(t.boundingBox)):(null===n.boundingBox&&n.computeBoundingBox(),Bi.copy(n.boundingBox)),Bi.applyMatrix4(t.matrixWorld),this.union(Bi)}const i=t.children;for(let t=0,n=i.length;t<n;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,Fi),Fi.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Xi),ji.subVectors(this.max,Xi),zi.subVectors(t.a,Xi),Hi.subVectors(t.b,Xi),Vi.subVectors(t.c,Xi),ki.subVectors(Hi,zi),Gi.subVectors(Vi,Hi),Wi.subVectors(zi,Vi);let e=[0,-ki.z,ki.y,0,-Gi.z,Gi.y,0,-Wi.z,Wi.y,ki.z,0,-ki.x,Gi.z,0,-Gi.x,Wi.z,0,-Wi.x,-ki.y,ki.x,0,-Gi.y,Gi.x,0,-Wi.y,Wi.x,0];return!!Zi(e,zi,Hi,Vi,ji)&&(e=[1,0,0,0,1,0,0,0,1],!!Zi(e,zi,Hi,Vi,ji)&&(qi.crossVectors(ki,Gi),e=[qi.x,qi.y,qi.z],Zi(e,zi,Hi,Vi,ji)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Fi).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Fi).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()||(Oi[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Oi[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Oi[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Oi[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Oi[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Oi[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Oi[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Oi[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Oi)),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 Oi=[new Ii,new Ii,new Ii,new Ii,new Ii,new Ii,new Ii,new Ii],Fi=new Ii,Bi=new Di,zi=new Ii,Hi=new Ii,Vi=new Ii,ki=new Ii,Gi=new Ii,Wi=new Ii,Xi=new Ii,ji=new Ii,qi=new Ii,Yi=new Ii;function Zi(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){Yi.fromArray(t,s);const a=r.x*Math.abs(Yi.x)+r.y*Math.abs(Yi.y)+r.z*Math.abs(Yi.z),o=e.dot(Yi),l=n.dot(Yi),c=i.dot(Yi);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const Ji=new Di,Ki=new Ii,$i=new Ii;class Qi{constructor(t=new Ii,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):Ji.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;e<r;e++)i=Math.max(i,n.distanceToSquared(t[e]));return this.radius=Math.sqrt(i),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const n=this.center.distanceToSquared(t);return e.copy(t),n>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Ki.subVectors(t,this.center);const e=Ki.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(Ki,n/t),this.radius+=n}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):($i.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Ki.copy(t.center).add($i)),this.expandByPoint(Ki.copy(t.center).sub($i))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const tr=new Ii,er=new Ii,nr=new Ii,ir=new Ii,rr=new Ii,sr=new Ii,ar=new Ii;class or{constructor(t=new Ii,e=new Ii(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,tr)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=tr.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(tr.copy(this.origin).addScaledVector(this.direction,e),tr.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){er.copy(t).add(e).multiplyScalar(.5),nr.copy(e).sub(t).normalize(),ir.copy(this.origin).sub(er);const r=.5*t.distanceTo(e),s=-this.direction.dot(nr),a=ir.dot(this.direction),o=-ir.dot(nr),l=ir.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,h),i&&i.copy(er).addScaledVector(nr,u),d}intersectSphere(t,e){tr.subVectors(t.center,this.origin);const n=tr.dot(this.direction),i=tr.dot(tr)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return 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 n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,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 n,i,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),n>s||r>i?null:((r>n||isNaN(n))&&(n=r),(s<i||isNaN(i))&&(i=s),h>=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o<i||i!=i)&&(i=o),i<0?null:this.at(n>=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,tr)}intersectTriangle(t,e,n,i,r){rr.subVectors(e,t),sr.subVectors(n,t),ar.crossVectors(rr,sr);let s,a=this.direction.dot(ar);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}ir.subVectors(this.origin,t);const o=s*this.direction.dot(sr.crossVectors(ir,sr));if(o<0)return null;const l=s*this.direction.dot(rr.cross(ir));if(l<0)return null;if(o+l>a)return null;const c=-s*ir.dot(ar);return c<0?null:this.at(c/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 lr{constructor(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){lr.prototype.isMatrix4=!0,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,n,i,r,s,a,o,l,c,h,u,d,p,m,f)}set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,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 lr).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[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,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/cr.setFromMatrixColumn(t,0).length(),r=1/cr.setFromMatrixColumn(t,1).length(),s=1/cr.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=i*h+n,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=n*h+i,e[10]=t-r*h}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=n*h-i,e[2]=i*h-n,e[6]=a*c,e[10]=r*h+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(ur,t,dr)}lookAt(t,e,n){const i=this.elements;return fr.subVectors(t,e),0===fr.lengthSq()&&(fr.z=1),fr.normalize(),pr.crossVectors(n,fr),0===pr.lengthSq()&&(1===Math.abs(n.z)?fr.x+=1e-4:fr.z+=1e-4,fr.normalize(),pr.crossVectors(n,fr)),pr.normalize(),mr.crossVectors(fr,pr),i[0]=pr.x,i[4]=mr.x,i[8]=fr.x,i[1]=pr.y,i[5]=mr.y,i[9]=fr.y,i[2]=pr.z,i[6]=mr.z,i[10]=fr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],m=n[6],f=n[10],g=n[14],_=n[3],v=n[7],x=n[11],y=n[15],M=i[0],S=i[4],b=i[8],E=i[12],T=i[1],w=i[5],A=i[9],R=i[13],C=i[2],P=i[6],L=i[10],I=i[14],U=i[3],N=i[7],D=i[11],O=i[15];return r[0]=s*M+a*T+o*C+l*U,r[4]=s*S+a*w+o*P+l*N,r[8]=s*b+a*A+o*L+l*D,r[12]=s*E+a*R+o*I+l*O,r[1]=c*M+h*T+u*C+d*U,r[5]=c*S+h*w+u*P+d*N,r[9]=c*b+h*A+u*L+d*D,r[13]=c*E+h*R+u*I+d*O,r[2]=p*M+m*T+f*C+g*U,r[6]=p*S+m*w+f*P+g*N,r[10]=p*b+m*A+f*L+g*D,r[14]=p*E+m*R+f*I+g*O,r[3]=_*M+v*T+x*C+y*U,r[7]=_*S+v*w+x*P+y*N,r[11]=_*b+v*A+x*L+y*D,r[15]=_*E+v*R+x*I+y*O,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],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-i*l*h-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+n*s*d+r*a*c-n*l*c)+t[15]*(-i*a*c-e*o*h+e*a*u+i*s*h-n*s*u+n*o*c)}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,n){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]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],_=h*f*l-m*u*l+m*o*d-a*f*d-h*o*g+a*u*g,v=p*u*l-c*f*l-p*o*d+s*f*d+c*o*g-s*u*g,x=c*m*l-p*h*l+p*a*d-s*m*d-c*a*g+s*h*g,y=p*h*o-c*m*o-p*a*u+s*m*u+c*a*f-s*h*f,M=e*_+n*v+i*x+r*y;if(0===M)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const S=1/M;return t[0]=_*S,t[1]=(m*u*r-h*f*r-m*i*d+n*f*d+h*i*g-n*u*g)*S,t[2]=(a*f*r-m*o*r+m*i*l-n*f*l-a*i*g+n*o*g)*S,t[3]=(h*o*r-a*u*r-h*i*l+n*u*l+a*i*d-n*o*d)*S,t[4]=v*S,t[5]=(c*f*r-p*u*r+p*i*d-e*f*d-c*i*g+e*u*g)*S,t[6]=(p*o*r-s*f*r-p*i*l+e*f*l+s*i*g-e*o*g)*S,t[7]=(s*u*r-c*o*r+c*i*l-e*u*l-s*i*d+e*o*d)*S,t[8]=x*S,t[9]=(p*h*r-c*m*r-p*n*d+e*m*d+c*n*g-e*h*g)*S,t[10]=(s*m*r-p*a*r+p*n*l-e*m*l-s*n*g+e*a*g)*S,t[11]=(c*a*r-s*h*r-c*n*l+e*h*l+s*n*d-e*a*d)*S,t[12]=y*S,t[13]=(c*m*i-p*h*i+p*n*u-e*m*u-c*n*f+e*h*f)*S,t[14]=(p*a*i-s*m*i-p*n*o+e*m*o+s*n*f-e*a*f)*S,t[15]=(s*h*i-c*a*i+c*n*o-e*h*o-s*n*u+e*a*u)*S,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,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],n=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,n,i))}makeTranslation(t,e,n){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,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,c*a+n,c*o-i*s,0,l*o-i*a,c*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,s){return this.set(1,n,r,0,t,1,s,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,m=s*c,f=s*h,g=a*h,_=o*l,v=o*c,x=o*h,y=n.x,M=n.y,S=n.z;return i[0]=(1-(m+g))*y,i[1]=(d+x)*y,i[2]=(p-v)*y,i[3]=0,i[4]=(d-x)*M,i[5]=(1-(u+g))*M,i[6]=(f+_)*M,i[7]=0,i[8]=(p+v)*S,i[9]=(f-_)*S,i[10]=(1-(u+m))*S,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=cr.set(i[0],i[1],i[2]).length();const s=cr.set(i[4],i[5],i[6]).length(),a=cr.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],hr.copy(this);const o=1/r,l=1/s,c=1/a;return hr.elements[0]*=o,hr.elements[1]*=o,hr.elements[2]*=o,hr.elements[4]*=l,hr.elements[5]*=l,hr.elements[6]*=l,hr.elements[8]*=c,hr.elements[9]*=c,hr.elements[10]*=c,e.setFromRotationMatrix(hr),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s,a=2e3){const o=this.elements,l=2*r/(e-t),c=2*r/(n-i),h=(e+t)/(e-t),u=(n+i)/(n-i);let d,p;if(a===Fn)d=-(s+r)/(s-r),p=-2*s*r/(s-r);else{if(a!==Bn)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);d=-s/(s-r),p=-s*r/(s-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(t,e,n,i,r,s,a=2e3){const o=this.elements,l=1/(e-t),c=1/(n-i),h=1/(s-r),u=(e+t)*l,d=(n+i)*c;let p,m;if(a===Fn)p=(s+r)*h,m=-2*h;else{if(a!==Bn)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=r*h,m=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=m,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}const cr=new Ii,hr=new lr,ur=new Ii(0,0,0),dr=new Ii(1,1,1),pr=new Ii,mr=new Ii,fr=new Ii,gr=new lr,_r=new Li;class vr{constructor(t=0,e=0,n=0,i=vr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,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,n,i=this._order){return this._x=t,this._y=e,this._z=n,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,n=!0){const i=t.elements,r=i[0],s=i[4],a=i[8],o=i[1],l=i[5],c=i[9],h=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(Xn(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-Xn(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(Xn(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-Xn(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(Xn(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-Xn(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this.........完整代码请登录后点击上方下载按钮下载查看

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