Home Explore Help
Sign In
javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git
2
0
Fork 0
Files Issues 0 Wiki
Tree: r153
Branches Tags
three.js
/
build
/
three.min.js

three.min.js 629 KB
Permalink History Raw

1234567 
  1. console.warn( 'Scripts "build/three.js" and "build/three.min.js" are deprecated with r150+, and will be removed with r160. Please use ES Modules or alternatives: https://threejs.org/docs/index.html#manual/en/introduction/Installation' );
    2. 

  2. /**
    3. 

  3.  * @license
    4. 

  4.  * Copyright 2010-2023 Three.js Authors
    5. 

  5.  * SPDX-License-Identifier: MIT
    6. 

  6.  */
    7. 

  7. !function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).THREE={})}(this,(function(t){"use strict";const e="153",n=0,i=1,r=2,s=1,a=2,o=3,l=0,c=1,h=2,u=0,d=1,p=2,m=3,f=4,g=5,v=100,_=101,y=102,x=103,M=104,S=200,b=201,E=202,T=203,w=204,A=205,R=206,C=207,L=208,P=209,I=210,U=0,D=1,N=2,O=3,F=4,B=5,z=6,G=7,H=0,k=1,V=2,W=0,X=1,j=2,q=3,Y=4,Z=5,J=300,K=301,$=302,Q=303,tt=304,et=306,nt=1e3,it=1001,rt=1002,st=1003,at=1004,ot=1005,lt=1006,ct=1007,ht=1008,ut=1009,dt=1010,pt=1011,mt=1012,ft=1013,gt=1014,vt=1015,_t=1016,yt=1017,xt=1018,Mt=1020,St=1021,bt=1023,Et=1024,Tt=1025,wt=1026,At=1027,Rt=1028,Ct=1029,Lt=1030,Pt=1031,It=1033,Ut=33776,Dt=33777,Nt=33778,Ot=33779,Ft=35840,Bt=35841,zt=35842,Gt=35843,Ht=36196,kt=37492,Vt=37496,Wt=37808,Xt=37809,jt=37810,qt=37811,Yt=37812,Zt=37813,Jt=37814,Kt=37815,$t=37816,Qt=37817,te=37818,ee=37819,ne=37820,ie=37821,re=36492,se=36283,ae=36284,oe=36285,le=36286,ce=2300,he=2301,ue=2302,de=2400,pe=2401,me=2402,fe=2500,ge=2501,ve=3e3,_e=3001,ye=3201,xe=0,Me=1,Se="",be="srgb",Ee="srgb-linear",Te="display-p3",we=7680,Ae=512,Re=513,Ce=514,Le=515,Pe=516,Ie=517,Ue=518,De=519,Ne=35044,Oe="300 es",Fe=1035,Be=2e3,ze=2001;class Ge{addEventListener(t,e){void 0===this._listeners&&(this._listeners={});const n=this._listeners;void 0===n[t]&&(n[t]=[]),-1===n[t].indexOf(e)&&n[t].push(e)}hasEventListener(t,e){if(void 0===this._listeners)return!1;const n=this._listeners;return void 0!==n[t]&&-1!==n[t].indexOf(e)}removeEventListener(t,e){if(void 0===this._listeners)return;const n=this._listeners[t];if(void 0!==n){const t=n.indexOf(e);-1!==t&&n.splice(t,1)}}dispatchEvent(t){if(void 0===this._listeners)return;const e=this._listeners[t.type];if(void 0!==e){t.target=this;const n=e.slice(0);for(let e=0,i=n.length;e<i;e++)n[e].call(this,t);t.target=null}}}const He=["00","01","02","03","04","05","06","07","08","09","0a","0b","0c","0d","0e","0f","10","11","12","13","14","15","16","17","18","19","1a","1b","1c","1d","1e","1f","20","21","22","23","24","25","26","27","28","29","2a","2b","2c","2d","2e","2f","30","31","32","33","34","35","36","37","38","39","3a","3b","3c","3d","3e","3f","40","41","42","43","44","45","46","47","48","49","4a","4b","4c","4d","4e","4f","50","51","52","53","54","55","56","57","58","59","5a","5b","5c","5d","5e","5f","60","61","62","63","64","65","66","67","68","69","6a","6b","6c","6d","6e","6f","70","71","72","73","74","75","76","77","78","79","7a","7b","7c","7d","7e","7f","80","81","82","83","84","85","86","87","88","89","8a","8b","8c","8d","8e","8f","90","91","92","93","94","95","96","97","98","99","9a","9b","9c","9d","9e","9f","a0","a1","a2","a3","a4","a5","a6","a7","a8","a9","aa","ab","ac","ad","ae","af","b0","b1","b2","b3","b4","b5","b6","b7","b8","b9","ba","bb","bc","bd","be","bf","c0","c1","c2","c3","c4","c5","c6","c7","c8","c9","ca","cb","cc","cd","ce","cf","d0","d1","d2","d3","d4","d5","d6","d7","d8","d9","da","db","dc","dd","de","df","e0","e1","e2","e3","e4","e5","e6","e7","e8","e9","ea","eb","ec","ed","ee","ef","f0","f1","f2","f3","f4","f5","f6","f7","f8","f9","fa","fb","fc","fd","fe","ff"];let ke=1234567;const Ve=Math.PI/180,We=180/Math.PI;function Xe(){const t=4294967295*Math.random()|0,e=4294967295*Math.random()|0,n=4294967295*Math.random()|0,i=4294967295*Math.random()|0;return(He[255&t]+He[t>>8&255]+He[t>>16&255]+He[t>>24&255]+"-"+He[255&e]+He[e>>8&255]+"-"+He[e>>16&15|64]+He[e>>24&255]+"-"+He[63&n|128]+He[n>>8&255]+"-"+He[n>>16&255]+He[n>>24&255]+He[255&i]+He[i>>8&255]+He[i>>16&255]+He[i>>24&255]).toLowerCase()}function je(t,e,n){return Math.max(e,Math.min(n,t))}function qe(t,e){return(t%e+e)%e}function Ye(t,e,n){return(1-n)*t+n*e}function Ze(t){return 0==(t&t-1)&&0!==t}function Je(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))}function Ke(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))}function $e(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return t/4294967295;case Uint16Array:return t/65535;case Uint8Array:return t/255;case Int32Array:return Math.max(t/2147483647,-1);case Int16Array:return Math.max(t/32767,-1);case Int8Array:return Math.max(t/127,-1);default:throw new Error("Invalid component type.")}}function Qe(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return Math.round(4294967295*t);case Uint16Array:return Math.round(65535*t);case Uint8Array:return Math.round(255*t);case Int32Array:return Math.round(2147483647*t);case Int16Array:return Math.round(32767*t);case Int8Array:return Math.round(127*t);default:throw new Error("Invalid component type.")}}const tn={DEG2RAD:Ve,RAD2DEG:We,generateUUID:Xe,clamp:je,euclideanModulo:qe,mapLinear:function(t,e,n,i,r){return i+(t-e)*(r-i)/(n-e)},inverseLerp:function(t,e,n){return t!==e?(n-t)/(e-t):0},lerp:Ye,damp:function(t,e,n,i){return Ye(t,e,1-Math.exp(-n*i))},pingpong:function(t,e=1){return e-Math.abs(qe(t,2*e)-e)},smoothstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*(3-2*t)},smootherstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){void 0!==t&&(ke=t);let e=ke+=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*Ve},radToDeg:function(t){return t*We},isPowerOfTwo:Ze,ceilPowerOfTwo:Je,floorPowerOfTwo:Ke,setQuaternionFromProperEuler:function(t,e,n,i,r){const s=Math.cos,a=Math.sin,o=s(n/2),l=a(n/2),c=s((e+i)/2),h=a((e+i)/2),u=s((e-i)/2),d=a((e-i)/2),p=s((i-e)/2),m=a((i-e)/2);switch(r){case"XYX":t.set(o*h,l*u,l*d,o*c);break;case"YZY":t.set(l*d,o*h,l*u,o*c);break;case"ZXZ":t.set(l*u,l*d,o*h,o*c);break;case"XZX":t.set(o*h,l*m,l*p,o*c);break;case"YXY":t.set(l*p,o*h,l*m,o*c);break;case"ZYZ":t.set(l*m,l*p,o*h,o*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:Qe,denormalize:$e};class en{constructor(t=0,e=0){en.prototype.isVector2=!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("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("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,n=this.y,i=t.elements;return this.x=i[0]*e+i[3]*n+i[6],this.y=i[1]*e+i[4]*n+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=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),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}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}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=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(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 n=this.dot(t)/e;return Math.acos(je(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y;return e*e+n*n}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,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,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 n=Math.cos(e),i=Math.sin(e),r=this.x-t.x,s=this.y-t.y;return this.x=r*n-s*i+t.x,this.y=r*i+s*n+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class nn{constructor(t,e,n,i,r,s,a,o,l){nn.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l)}set(t,e,n,i,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=i,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=n,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}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],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.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 n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[3],o=n[6],l=n[1],c=n[4],h=n[7],u=n[2],d=n[5],p=n[8],m=i[0],f=i[3],g=i[6],v=i[1],_=i[4],y=i[7],x=i[2],M=i[5],S=i[8];return r[0]=s*m+a*v+o*x,r[3]=s*f+a*_+o*M,r[6]=s*g+a*y+o*S,r[1]=l*m+c*v+h*x,r[4]=l*f+c*_+h*M,r[7]=l*g+c*y+h*S,r[2]=u*m+d*v+p*x,r[5]=u*f+d*_+p*M,r[8]=u*g+d*y+p*S,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],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8];return e*s*c-e*a*l-n*r*c+n*a*o+i*r*l-i*s*o}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=c*s-a*l,u=a*o-c*r,d=l*r-s*o,p=e*h+n*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]=h*m,t[1]=(i*l-c*n)*m,t[2]=(a*n-i*s)*m,t[3]=u*m,t[4]=(c*e-i*o)*m,t[5]=(i*r-a*e)*m,t[6]=d*m,t[7]=(n*o-l*e)*m,t[8]=(s*e-n*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,n,i,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(rn.makeScale(t,e)),this}rotate(t){return this.premultiply(rn.makeRotation(-t)),this}translate(t,e){return this.premultiply(rn.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),n=Math.sin(t);return this.set(e,-n,0,n,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,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;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}clone(){return(new this.constructor).fromArray(this.elements)}}const rn=new nn;function sn(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}const an={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function on(t,e){return new an[t](e)}function ln(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}const cn={};function hn(t){t in cn||(cn[t]=!0,console.warn(t))}function un(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function dn(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}const pn=(new nn).fromArray([.8224621,.0331941,.0170827,.177538,.9668058,.0723974,-1e-7,1e-7,.9105199]),mn=(new nn).fromArray([1.2249401,-.0420569,-.0196376,-.2249404,1.0420571,-.0786361,1e-7,0,1.0982735]);const fn={[Ee]:t=>t,[be]:t=>t.convertSRGBToLinear(),[Te]:function(t){return t.convertSRGBToLinear().applyMatrix3(mn)}},gn={[Ee]:t=>t,[be]:t=>t.convertLinearToSRGB(),[Te]:function(t){return t.applyMatrix3(pn).convertLinearToSRGB()}},vn={enabled:!0,get legacyMode(){return console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."),!this.enabled},set legacyMode(t){console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."),this.enabled=!t},get workingColorSpace(){return Ee},set workingColorSpace(t){console.warn("THREE.ColorManagement: .workingColorSpace is readonly.")},convert:function(t,e,n){if(!1===this.enabled||e===n||!e||!n)return t;const i=fn[e],r=gn[n];if(void 0===i||void 0===r)throw new Error(`Unsupported color space conversion, "${e}" to "${n}".`);return r(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this.workingColorSpace)}};let _n;class yn{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===_n&&(_n=ln("canvas")),_n.width=t.width,_n.height=t.height;const n=_n.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=_n}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=ln("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*un(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*un(e[t]/255)):e[t]=un(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 xn=0;class Mn{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:xn++}),this.uuid=Xe(),this.data=t,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(Sn(i[e].image)):t.push(Sn(i[e]))}else t=Sn(i);n.url=t}return e||(t.images[this.uuid]=n),n}}function Sn(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?yn.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 bn=0;class En extends Ge{constructor(t=En.DEFAULT_IMAGE,e=En.DEFAULT_MAPPING,n=it,i=it,r=lt,s=ht,a=bt,o=ut,l=En.DEFAULT_ANISOTROPY,c=Se){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:bn++}),this.uuid=Xe(),this.name="",this.source=new Mn(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 en(0,0),this.repeat=new en(1,1),this.center=new en(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new nn,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,"string"==typeof c?this.colorSpace=c:(hn("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=c===_e?be:Se),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!==J)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case nt:t.x=t.x-Math.floor(t.x);break;case it:t.x=t.x<0?0:1;break;case rt: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 nt:t.y=t.y-Math.floor(t.y);break;case it:t.y=t.y<0?0:1;break;case rt: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 hn("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace===be?_e:ve}set encoding(t){hn("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=t===_e?be:Se}}En.DEFAULT_IMAGE=null,En.DEFAULT_MAPPING=J,En.DEFAULT_ANISOTROPY=1;class Tn{constructor(t=0,e=0,n=0,i=1){Tn.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,v=(g+1)/2,_=(c+u)/4,y=(h+m)/4,x=(p+f)/4;return t>o&&t>v?t<s?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(t),i=_/n,r=y/n):o>v?o<s?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(o),n=_/i,r=x/i):v<s?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(v),n=y/r,i=x/r),this.set(n,i,r,e),this}let v=Math.sqrt((f-p)*(f-p)+(h-m)*(h-m)+(u-c)*(u-c));return Math.abs(v)<.001&&(v=1),this.x=(f-p)/v,this.y=(h-m)/v,this.z=(u-c)/v,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=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(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 wn extends Ge{constructor(t=1,e=1,n={}){super(),this.isWebGLRenderTarget=!0,this.width=t,this.height=e,this.depth=1,this.scissor=new Tn(0,0,t,e),this.scissorTest=!1,this.viewport=new Tn(0,0,t,e);const i={width:t,height:e,depth:1};void 0!==n.encoding&&(hn("THREE.WebGLRenderTarget: option.encoding has been replaced by option.colorSpace."),n.colorSpace=n.encoding===_e?be:Se),this.texture=new En(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=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.internalFormat=void 0!==n.internalFormat?n.internalFormat:null,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:lt,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null,this.samples=void 0!==n.samples?n.samples:0}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 Mn(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 An extends En{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=st,this.minFilter=st,this.wrapR=it,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Rn extends En{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=st,this.minFilter=st,this.wrapR=it,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Cn{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){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!1!==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(je(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._onChangeCallback(),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}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 Ln{constructor(t=0,e=0,n=0){Ln.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(In.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(In.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=o*e+s*i-a*n,c=o*n+a*e-r*i,h=o*i+r*n-s*e,u=-r*e-s*n-a*i;return this.x=l*o+u*-r+c*-a-h*-s,this.y=c*o+u*-s+h*-r-l*-a,this.z=h*o+u*-a+l*-s-c*-r,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=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(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 Pn.copy(this).projectOnVector(t),this.sub(Pn)}reflect(t){return this.sub(Pn.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(je(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 Pn=new Ln,In=new Cn;class Un{constructor(t=new Ln(1/0,1/0,1/0),e=new Ln(-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(Nn.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,n=t.count;e<n;e++)this.expandByPoint(Nn.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=Nn.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){if(t.updateWorldMatrix(!1,!1),void 0!==t.boundingBox)null===t.boundingBox&&t.computeBoundingBox(),On.copy(t.boundingBox),On.applyMatrix4(t.matrixWorld),this.union(On);else{const n=t.geometry;if(void 0!==n)if(e&&void 0!==n.attributes&&void 0!==n.attributes.position){const e=n.attributes.position;for(let n=0,i=e.count;n<i;n++)Nn.fromBufferAttribute(e,n).applyMatrix4(t.matrixWorld),this.expandByPoint(Nn)}else null===n.boundingBox&&n.computeBoundingBox(),On.copy(n.boundingBox),On.applyMatrix4(t.matrixWorld),this.union(On)}const n=t.children;for(let t=0,i=n.length;t<i;t++)this.expandByObject(n[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,Nn),Nn.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(Vn),Wn.subVectors(this.max,Vn),Fn.subVectors(t.a,Vn),Bn.subVectors(t.b,Vn),zn.subVectors(t.c,Vn),Gn.subVectors(Bn,Fn),Hn.subVectors(zn,Bn),kn.subVectors(Fn,zn);let e=[0,-Gn.z,Gn.y,0,-Hn.z,Hn.y,0,-kn.z,kn.y,Gn.z,0,-Gn.x,Hn.z,0,-Hn.x,kn.z,0,-kn.x,-Gn.y,Gn.x,0,-Hn.y,Hn.x,0,-kn.y,kn.x,0];return!!qn(e,Fn,Bn,zn,Wn)&&(e=[1,0,0,0,1,0,0,0,1],!!qn(e,Fn,Bn,zn,Wn)&&(Xn.crossVectors(Gn,Hn),e=[Xn.x,Xn.y,Xn.z],qn(e,Fn,Bn,zn,Wn)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Nn).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Nn).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()||(Dn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Dn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Dn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Dn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Dn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Dn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Dn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Dn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Dn)),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 Dn=[new Ln,new Ln,new Ln,new Ln,new Ln,new Ln,new Ln,new Ln],Nn=new Ln,On=new Un,Fn=new Ln,Bn=new Ln,zn=new Ln,Gn=new Ln,Hn=new Ln,kn=new Ln,Vn=new Ln,Wn=new Ln,Xn=new Ln,jn=new Ln;function qn(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){jn.fromArray(t,s);const a=r.x*Math.abs(jn.x)+r.y*Math.abs(jn.y)+r.z*Math.abs(jn.z),o=e.dot(jn),l=n.dot(jn),c=i.dot(jn);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const Yn=new Un,Zn=new Ln,Jn=new Ln;class Kn{constructor(t=new Ln,e=-1){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):Yn.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;Zn.subVectors(t,this.center);const e=Zn.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(Zn,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):(Jn.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Zn.copy(t.center).add(Jn)),this.expandByPoint(Zn.copy(t.center).sub(Jn))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const $n=new Ln,Qn=new Ln,ti=new Ln,ei=new Ln,ni=new Ln,ii=new Ln,ri=new Ln;class si{constructor(t=new Ln,e=new Ln(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,$n)),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=$n.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):($n.copy(this.origin).addScaledVector(this.direction,e),$n.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){Qn.copy(t).add(e).multiplyScalar(.5),ti.copy(e).sub(t).normalize(),ei.copy(this.origin).sub(Qn);const r=.5*t.distanceTo(e),s=-this.direction.dot(ti),a=ei.dot(this.direction),o=-ei.dot(ti),l=ei.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,h),i&&i.copy(Qn).addScaledVector(ti,u),d}intersectSphere(t,e){$n.subVectors(t.center,this.origin);const n=$n.dot(this.direction),i=$n.dot($n)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),n>s||r>i?null:((r>n||isNaN(n))&&(n=r),(s<i||isNaN(i))&&(i=s),h>=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o<i||i!=i)&&(i=o),i<0?null:this.at(n>=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,$n)}intersectTriangle(t,e,n,i,r){ni.subVectors(e,t),ii.subVectors(n,t),ri.crossVectors(ni,ii);let s,a=this.direction.dot(ri);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}ei.subVectors(this.origin,t);const o=s*this.direction.dot(ii.crossVectors(ei,ii));if(o<0)return null;const l=s*this.direction.dot(ni.cross(ei));if(l<0)return null;if(o+l>a)return null;const c=-s*ei.dot(ri);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 ai{constructor(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){ai.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 ai).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/oi.setFromMatrixColumn(t,0).length(),r=1/oi.setFromMatrixColumn(t,1).length(),s=1/oi.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(ci,t,hi)}lookAt(t,e,n){const i=this.elements;return pi.subVectors(t,e),0===pi.lengthSq()&&(pi.z=1),pi.normalize(),ui.crossVectors(n,pi),0===ui.lengthSq()&&(1===Math.abs(n.z)?pi.x+=1e-4:pi.z+=1e-4,pi.normalize(),ui.crossVectors(n,pi)),ui.normalize(),di.crossVectors(pi,ui),i[0]=ui.x,i[4]=di.x,i[8]=pi.x,i[1]=ui.y,i[5]=di.y,i[9]=pi.y,i[2]=ui.z,i[6]=di.z,i[10]=pi.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],v=n[3],_=n[7],y=n[11],x=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],L=i[6],P=i[10],I=i[14],U=i[3],D=i[7],N=i[11],O=i[15];return r[0]=s*M+a*T+o*C+l*U,r[4]=s*S+a*w+o*L+l*D,r[8]=s*b+a*A+o*P+l*N,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*L+d*D,r[9]=c*b+h*A+u*P+d*N,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*L+g*D,r[10]=p*b+m*A+f*P+g*N,r[14]=p*E+m*R+f*I+g*O,r[3]=v*M+_*T+y*C+x*U,r[7]=v*S+_*w+y*L+x*D,r[11]=v*b+_*A+y*P+x*N,r[15]=v*E+_*R+y*I+x*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],v=h*f*l-m*u*l+m*o*d-a*f*d-h*o*g+a*u*g,_=p*u*l-c*f*l-p*o*d+s*f*d+c*o*g-s*u*g,y=c*m*l-p*h*l+p*a*d-s*m*d-c*a*g+s*h*g,x=p*h*o-c*m*o-p*a*u+s*m*u+c*a*f-s*h*f,M=e*v+n*_+i*y+r*x;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]=v*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]=_*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]=y*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]=x*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,v=o*l,_=o*c,y=o*h,x=n.x,M=n.y,S=n.z;return i[0]=(1-(m+g))*x,i[1]=(d+y)*x,i[2]=(p-_)*x,i[3]=0,i[4]=(d-y)*M,i[5]=(1-(u+g))*M,i[6]=(f+v)*M,i[7]=0,i[8]=(p+_)*S,i[9]=(f-v)*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=oi.set(i[0],i[1],i[2]).length();const s=oi.set(i[4],i[5],i[6]).length(),a=oi.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],li.copy(this);const o=1/r,l=1/s,c=1/a;return li.elements[0]*=o,li.elements[1]*=o,li.elements[2]*=o,li.elements[4]*=l,li.elements[5]*=l,li.elements[6]*=l,li.elements[8]*=c,li.elements[9]*=c,li.elements[10]*=c,e.setFromRotationMatrix(li),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===Be)d=-(s+r)/(s-r),p=-2*s*r/(s-r);else{if(a!==ze)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===Be)p=(s+r)*h,m=-2*h;else{if(a!==ze)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 oi=new Ln,li=new ai,ci=new Ln(0,0,0),hi=new Ln(1,1,1),ui=new Ln,di=new Ln,pi=new Ln,mi=new ai,fi=new Cn;class gi{constructor(t=0,e=0,n=0,i=gi.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(je(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(-je(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(je(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(-je(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(je(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(-je(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return mi.makeRotationFromQuaternion(t),this.setFromRotationMatrix(mi,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return fi.setFromEuler(this),this.setFromQuaternion(fi,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}}gi.DEFAULT_ORDER="XYZ";class vi{constructor(){this.mask=1}set(t){this.mask=(1<<t|0)>>>0}enable(t){this.mask|=1<<t|0}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t|0}disable(t){this.mask&=~(1<<t|0)}disableAll(){this.mask=0}test(t){return 0!=(this.mask&t.mask)}isEnabled(t){return 0!=(this.mask&(1<<t|0))}}let _i=0;const yi=new Ln,xi=new Cn,Mi=new ai,Si=new Ln,bi=new Ln,Ei=new Ln,Ti=new Cn,wi=new Ln(1,0,0),Ai=new Ln(0,1,0),Ri=new Ln(0,0,1),Ci={type:"added"},Li={type:"removed"};class Pi extends Ge{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:_i++}),this.uuid=Xe(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Pi.DEFAULT_UP.clone();const t=new Ln,e=new gi,n=new Cn,i=new Ln(1,1,1);e._onChange((function(){n.setFromEuler(e,!1)})),n._onChange((function(){e.setFromQuaternion(n,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:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new ai},normalMatrix:{value:new nn}}),this.matrix=new ai,this.matrixWorld=new ai,this.matrixAutoUpdate=Pi.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.matrixWorldAutoUpdate=Pi.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.layers=new vi,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}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 xi.setFromAxisAngle(t,e),this.quaternion.multiply(xi),this}rotateOnWorldAxis(t,e){return xi.setFromAxisAngle(t,e),this.quaternion.premultiply(xi),this}rotateX(t){return this.rotateOnAxis(wi,t)}rotateY(t){return this.rotateOnAxis(Ai,t)}rotateZ(t){return this.rotateOnAxis(Ri,t)}translateOnAxis(t,e){return yi.copy(t).applyQuaternion(this.quaternion),this.position.add(yi.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(wi,t)}translateY(t){return this.translateOnAxis(Ai,t)}translateZ(t){return this.translateOnAxis(Ri,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(Mi.copy(this.matrixWorld).invert())}lookAt(t,e,n){t.isVector3?Si.copy(t):Si.set(t,e,n);const i=this.parent;this.updateWorldMatrix(!0,!1),bi.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?Mi.lookAt(bi,Si,this.up):Mi.lookAt(Si,bi,this.up),this.quaternion.setFromRotationMatrix(Mi),i&&(Mi.extractRotation(i.matrixWorld),xi.setFromRotationMatrix(Mi),this.quaternion.premultiply(xi.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(null!==t.parent&&t.parent.remove(t),t.parent=this,this.children.push(t),t.dispatchEvent(Ci)):console.error("THREE.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(Li)),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){for(let t=0;t<this.children.length;t++){const e=this.children[t];e.parent=null,e.dispatchEvent(Li)}return this.children.length=0,this}attach(t){return this.updateWorldMatrix(!0,!1),Mi.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),Mi.multiply(t.parent.matrixWorld)),t.applyMatrix4(Mi),this.add(t),t.updateWorldMatrix(!1,!0),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 n=0,i=this.children.length;n<i;n++){const i=this.children[n].getObjectByProperty(t,e);if(void 0!==i)return i}}getObjectsByProperty(t,e){let n=[];this[t]===e&&n.push(this);for(let i=0,r=this.children.length;i<r;i++){const r=this.children[i].getObjectsByProperty(t,e);r.length>0&&(n=n.concat(r))}return n}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(bi,t,Ei),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(bi,Ti,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 n=0,i=e.length;n<i;n++)e[n].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].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),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(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 n=0,i=e.length;n<i;n++){const i=e[n];!0!==i.matrixWorldAutoUpdate&&!0!==t||i.updateMatrixWorld(t)}}updateWorldMatrix(t,e){const n=this.parent;if(!0===t&&null!==n&&!0===n.matrixWorldAutoUpdate&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===e){const t=this.children;for(let e=0,n=t.length;e<n;e++){const n=t[e];!0===n.matrixWorldAutoUpdate&&n.updateWorldMatrix(!1,!0)}}}toJSON(t){const e=void 0===t||"string"==typeof t,n={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.6,type:"Object",generator:"Object3D.toJSON"});const i={};function r(e,n){return void 0===e[n.uuid]&&(e[n.uuid]=n.toJSON(t)),n.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),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(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.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 n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e<i;e++){const i=n[e];r(t.shapes,i)}else r(t.shapes,n)}}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 n=0,i=this.material.length;n<i;n++)e.push(r(t.materials,this.material[n]));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 n=this.animations[e];i.animations.push(r(t.animations,n))}}if(e){const e=s(t.geometries),i=s(t.materials),r=s(t.textures),a=s(t.images),o=s(t.shapes),l=s(t.skeletons),c=s(t.animations),h=s(t.nodes);e.length>0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c),h.length>0&&(n.nodes=h)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];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.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,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.animations=t.animations,this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e<t.children.length;e++){const n=t.children[e];this.add(n.clone())}return this}}Pi.DEFAULT_UP=new Ln(0,1,0),Pi.DEFAULT_MATRIX_AUTO_UPDATE=!0,Pi.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;const Ii=new Ln,Ui=new Ln,Di=new Ln,Ni=new Ln,Oi=new Ln,Fi=new Ln,Bi=new Ln,zi=new Ln,Gi=new Ln,Hi=new Ln;let ki=!1;class Vi{constructor(t=new Ln,e=new Ln,n=new Ln){this.a=t,this.b=e,this.c=n}static getNormal(t,e,n,i){i.subVectors(n,e),Ii.subVectors(t,e),i.cross(Ii);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){Ii.subVectors(i,e),Ui.subVectors(n,e),Di.subVectors(t,e);const s=Ii.dot(Ii),a=Ii.dot(Ui),o=Ii.dot(Di),l=Ui.dot(Ui),c=Ui.dot(Di),h=s*l-a*a;if(0===h)return r.set(-2,-1,-1);const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return this.getBarycoord(t,e,n,i,Ni),Ni.x>=0&&Ni.y>=0&&Ni.x+Ni.y<=1}static getUV(t,e,n,i,r,s,a,o){return!1===ki&&(console.warn("THREE.Triangle.getUV() has been renamed to THREE.Triangle.getInterpolation()."),ki=!0),this.getInterpolation(t,e,n,i,r,s,a,o)}static getInterpolation(t,e,n,i,r,s,a,o){return this.getBarycoord(t,e,n,i,Ni),o.setScalar(0),o.addScaledVector(r,Ni.x),o.addScaledVector(s,Ni.y),o.addScaledVector(a,Ni.z),o}static isFrontFacing(t,e,n,i){return Ii.subVectors(n,e),Ui.subVectors(t,e),Ii.cross(Ui).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),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 Ii.subVectors(this.c,this.b),Ui.subVectors(this.a,this.b),.5*Ii.cross(Ui).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Vi.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Vi.getBarycoord(t,this.a,this.b,this.c,e)}getUV(t,e,n,i,r){return!1===ki&&(console.warn("THREE.Triangle.getUV() has been renamed to THREE.Triangle.getInterpolation()."),ki=!0),Vi.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}getInterpolation(t,e,n,i,r){return Vi.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return Vi.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Vi.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let s,a;Oi.subVectors(i,n),Fi.subVectors(r,n),zi.subVectors(t,n);const o=Oi.dot(zi),l=Fi.dot(zi);if(o<=0&&l<=0)return e.copy(n);Gi.subVectors(t,i);const c=Oi.dot(Gi),h=Fi.dot(Gi);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(n).addScaledVector(Oi,s);Hi.subVectors(t,r);const d=Oi.dot(Hi),p=Fi.dot(Hi);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(Fi,a);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return Bi.subVectors(r,i),a=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(Bi,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(Oi,s).addScaledVector(Fi,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}let Wi=0;class Xi extends Ge{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Wi++}),this.uuid=Xe(),this.name="",this.type="Material",this.blending=d,this.side=l,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=w,this.blendDst=A,this.blendEquation=v,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=O,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=we,this.stencilZFail=we,this.stencilZPass=we,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.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}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.iridescence&&(n.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(n.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(n.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==d&&(n.blending=this.blending),this.side!==l&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,void 0!==this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaToCoverage&&(n.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.forceSinglePass&&(n.forceSinglePass=this.forceSinglePass),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}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.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 n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,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.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,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++}}const ji={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},qi={h:0,s:0,l:0},Yi={h:0,s:0,l:0};function Zi(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}class Ji{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(void 0===e&&void 0===n){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,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=be){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,vn.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=vn.workingColorSpace){return this.r=t,this.g=e,this.b=n,vn.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=vn.workingColorSpace){if(t=qe(t,1),e=je(e,0,1),n=je(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=Zi(r,i,t+1/3),this.g=Zi(r,i,t),this.b=Zi(r,i,t-1/3)}return vn.toWorkingColorSpace(this,i),this}setStyle(t,e=be){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const s=i[1],a=i[2];switch(s){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(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*)?$/.exec(a))return n(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const n=i[1],r=n.length;if(3===r)return this.setRGB(parseInt(n.charAt(0),16)/15,parseInt(n.charAt(1),16)/15,parseInt(n.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(n,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=be){const n=ji[t.toLowerCase()];return void 0!==n?this.setHex(n,e):console.warn("THREE.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=un(t.r),this.g=un(t.g),this.b=un(t.b),this}copyLinearToSRGB(t){return this.r=dn(t.r),this.g=dn(t.g),this.b=dn(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=be){return vn.fromWorkingColorSpace(Ki.copy(this),t),65536*Math.round(je(255*Ki.r,0,255))+256*Math.round(je(255*Ki.g,0,255))+Math.round(je(255*Ki.b,0,255))}getHexString(t=be){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=vn.workingColorSpace){vn.fromWorkingColorSpace(Ki.copy(this),e);const n=Ki.r,i=Ki.g,r=Ki.b,s=Math.max(n,i,r),a=Math.min(n,i,r);let o,l;const c=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=c<=.5?t/(s+a):t/(2-s-a),s){case n:o=(i-r)/t+(i<r?6:0);break;case i:o=(r-n)/t+2;break;case r:o=(n-i)/t+4}o/=6}return t.h=o,t.s=l,t.l=c,t}getRGB(t,e=vn.workingColorSpace){return vn.fromWorkingColorSpace(Ki.copy(this),e),t.r=Ki.r,t.g=Ki.g,t.b=Ki.b,t}getStyle(t=be){vn.fromWorkingColorSpace(Ki.copy(this),t);const e=Ki.r,n=Ki.g,i=Ki.b;return t!==be?`color(${t} ${e.toFixed(3)} ${n.toFixed(3)} ${i.toFixed(3)})`:`rgb(${Math.round(255*e)},${Math.round(255*n)},${Math.round(255*i)})`}offsetHSL(t,e,n){return this.getHSL(qi),qi.h+=t,qi.s+=e,qi.l+=n,this.setHSL(qi.h,qi.s,qi.l),this}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,n){return this.r=t.r+(e.r-t.r)*n,this.g=t.g+(e.g-t.g)*n,this.b=t.b+(e.b-t.b)*n,this}lerpHSL(t,e){this.getHSL(qi),t.getHSL(Yi);const n=Ye(qi.h,Yi.h,e),i=Ye(qi.s,Yi.s,e),r=Ye(qi.l,Yi.l,e);return this.setHSL(n,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,n=this.g,i=this.b,r=t.elements;return this.r=r[0]*e+r[3]*n+r[6]*i,this.g=r[1]*e+r[4]*n+r[7]*i,this.b=r[2]*e+r[5]*n+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 Ki=new Ji;Ji.NAMES=ji;class $i extends Xi{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Ji(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.combine=H,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.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 Qi=tr();function tr(){const t=new ArrayBuffer(4),e=new Float32Array(t),n=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 s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,n=0;for(;0==(8388608&e);)e<<=1,n-=8388608;e&=-8388609,n+=947912704,s[t]=e|n}for(let t=1024;t<2048;++t)s[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:n,baseTable:i,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}function er(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=je(t,-65504,65504),Qi.floatView[0]=t;const e=Qi.uint32View[0],n=e>>23&511;return Qi.baseTable[n]+((8388607&e)>>Qi.shiftTable[n])}function nr(t){const e=t>>10;return Qi.uint32View[0]=Qi.mantissaTable[Qi.offsetTable[e]+(1023&t)]+Qi.exponentTable[e],Qi.floatView[0]}const ir={toHalfFloat:er,fromHalfFloat:nr},rr=new Ln,sr=new en;class ar{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=n,this.usage=Ne,this.updateRange={offset:0,count:-1},this.gpuType=vt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}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,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i<r;i++)this.array[t+i]=e.array[n+i];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,n=this.count;e<n;e++)sr.fromBufferAttribute(this,e),sr.applyMatrix3(t),this.setXY(e,sr.x,sr.y);else if(3===this.itemSize)for(let e=0,n=this.count;e<n;e++)rr.fromBufferAttribute(this,e),rr.applyMatrix3(t),this.setXYZ(e,rr.x,rr.y,rr.z);return this}applyMatrix4(t){for(let e=0,n=this.count;e<n;e++)rr.fromBufferAttribute(this,e),rr.applyMatrix4(t),this.setXYZ(e,rr.x,rr.y,rr.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)rr.fromBufferAttribute(this,e),rr.applyNormalMatrix(t),this.setXYZ(e,rr.x,rr.y,rr.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)rr.fromBufferAttribute(this,e),rr.transformDirection(t),this.setXYZ(e,rr.x,rr.y,rr.z);return this}set(t,e=0){return this.array.set(t,e),this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=$e(e,this.array)),e}setX(t,e){return this.normalized&&(e=Qe(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=$e(e,this.array)),e}setY(t,e){return this.normalized&&(e=Qe(e,this.array)),this.array[t*this.itemSize+1]=e,this}getZ(t){let e=this.array[t*this.itemSize+2];return this.normalized&&(e=$e(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Qe(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=$e(e,this.array)),e}setW(t,e){return this.normalized&&(e=Qe(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,n){return t*=this.itemSize,this.normalized&&(e=Qe(e,this.array),n=Qe(n,this.array)),this.array[t+0]=e,this.array[t+1]=n,this}setXYZ(t,e,n,i){return t*=this.itemSize,this.normalized&&(e=Qe(e,this.array),n=Qe(n,this.array),i=Qe(i,this.array)),this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this}setXYZW(t,e,n,i,r){return t*=this.itemSize,this.normalized&&(e=Qe(e,this.array),n=Qe(n,this.array),i=Qe(i,this.array),r=Qe(r,this.array)),this.array[t+0]=e,this.array[t+1]=n,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!==Ne&&(t.usage=this.usage),0===this.updateRange.offset&&-1===this.updateRange.count||(t.updateRange=this.updateRange),t}copyColorsArray(){console.error("THREE.BufferAttribute: copyColorsArray() was removed in r144.")}copyVector2sArray(){console.error("THREE.BufferAttribute: copyVector2sArray() was removed in r144.")}copyVector3sArray(){console.error("THREE.BufferAttribute: copyVector3sArray() was removed in r144.")}copyVector4sArray(){console.error("THREE.BufferAttribute: copyVector4sArray() was removed in r144.")}}class or extends ar{constructor(t,e,n){super(new Uint16Array(t),e,n)}}class lr extends ar{constructor(t,e,n){super(new Uint32Array(t),e,n)}}class cr extends ar{constructor(t,e,n){super(new Float32Array(t),e,n)}}let hr=0;const ur=new ai,dr=new Pi,pr=new Ln,mr=new Un,fr=new Un,gr=new Ln;class vr extends Ge{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:hr++}),this.uuid=Xe(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(sn(t)?lr:or)(t,1):this.index=t,this}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,n=0){this.groups.push({start:t,count:e,materialIndex:n})}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 n=this.attributes.normal;if(void 0!==n){const e=(new nn).getNormalMatrix(t);n.applyNormalMatrix(e),n.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}applyQuaternion(t){return ur.makeRotationFromQuaternion(t),this.applyMatrix4(ur),this}rotateX(t){return ur.makeRotationX(t),this.applyMatrix4(ur),this}rotateY(t){return ur.makeRotationY(t),this.applyMatrix4(ur),this}rotateZ(t){return ur.makeRotationZ(t),this.applyMatrix4(ur),this}translate(t,e,n){return ur.makeTranslation(t,e,n),this.applyMatrix4(ur),this}scale(t,e,n){return ur.makeScale(t,e,n),this.applyMatrix4(ur),this}lookAt(t){return dr.lookAt(t),dr.updateMatrix(),this.applyMatrix4(dr.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(pr).negate(),this.translate(pr.x,pr.y,pr.z),this}setFromPoints(t){const e=[];for(let n=0,i=t.length;n<i;n++){const i=t[n];e.push(i.x,i.y,i.z||0)}return this.setAttribute("position",new cr(e,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Un);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new Ln(-1/0,-1/0,-1/0),new Ln(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];mr.setFromBufferAttribute(n),this.morphTargetsRelative?(gr.addVectors(this.boundingBox.min,mr.min),this.boundingBox.expandByPoint(gr),gr.addVectors(this.boundingBox.max,mr.max),this.boundingBox.expandByPoint(gr)):(this.boundingBox.expandByPoint(mr.min),this.boundingBox.expandByPoint(mr.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.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 Kn);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new Ln,1/0);if(t){const n=this.boundingSphere.center;if(mr.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];fr.setFromBufferAttribute(n),this.morphTargetsRelative?(gr.addVectors(mr.min,fr.min),mr.expandByPoint(gr),gr.addVectors(mr.max,fr.max),mr.expandByPoint(gr)):(mr.expandByPoint(fr.min),mr.expandByPoint(fr.max))}mr.getCenter(n);let i=0;for(let e=0,r=t.count;e<r;e++)gr.fromBufferAttribute(t,e),i=Math.max(i,n.distanceToSquared(gr));if(e)for(let r=0,s=e.length;r<s;r++){const s=e[r],a=this.morphTargetsRelative;for(let e=0,r=s.count;e<r;e++)gr.fromBufferAttribute(s,e),a&&(pr.fromBufferAttribute(t,e),gr.add(pr)),i=Math.max(i,n.distanceToSquared(gr))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.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 console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=t.array,i=e.position.array,r=e.normal.array,s=e.uv.array,a=i.length/3;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new ar(new Float32Array(4*a),4));const o=this.getAttribute("tangent").array,l=[],c=[];for(let t=0;t<a;t++)l[t]=new Ln,c[t]=new Ln;const h=new Ln,u=new Ln,d=new Ln,p=new en,m=new en,f=new en,g=new Ln,v=new Ln;function _(t,e,n){h.fromArray(i,3*t),u.fromArray(i,3*e),d.fromArray(i,3*n),p.fromArray(s,2*t),m.fromArray(s,2*e),f.fromArray(s,2*n),u.sub(h),d.sub(h),m.sub(p),f.sub(p);const r=1/(m.x*f.y-f.x*m.y);isFinite(r)&&(g.copy(u).multiplyScalar(f.y).addScaledVector(d,-m.y).multiplyScalar(r),v.copy(d).multiplyScalar(m.x).addScaledVector(u,-f.x).multiplyScalar(r),l[t].add(g),l[e].add(g),l[n].add(g),c[t].add(v),c[e].add(v),c[n].add(v))}let y=this.groups;0===y.length&&(y=[{start:0,count:n.length}]);for(let t=0,e=y.length;t<e;++t){const e=y[t],i=e.start;for(let t=i,r=i+e.count;t<r;t+=3)_(n[t+0],n[t+1],n[t+2])}const x=new Ln,M=new Ln,S=new Ln,b=new Ln;function E(t){S.fromArray(r,3*t),b.copy(S);const e=l[t];x.copy(e),x.sub(S.multiplyScalar(S.dot(e))).normalize(),M.crossVectors(b,e);const n=M.dot(c[t])<0?-1:1;o[4*t]=x.x,o[4*t+1]=x.y,o[4*t+2]=x.z,o[4*t+3]=n}for(let t=0,e=y.length;t<e;++t){const e=y[t],i=e.start;for(let t=i,r=i+e.count;t<r;t+=3)E(n[t+0]),E(n[t+1]),E(n[t+2])}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let n=this.getAttribute("normal");if(void 0===n)n=new ar(new Float32Array(3*e.count),3),this.setAttribute("normal",n);else for(let t=0,e=n.count;t<e;t++)n.setXYZ(t,0,0,0);const i=new Ln,r=new Ln,s=new Ln,a=new Ln,o=new Ln,l=new Ln,c=new Ln,h=new Ln;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),s.fromBufferAttribute(e,m),c.subVectors(s,r),h.subVectors(i,r),c.cross(h),a.fromBufferAttribute(n,d),o.fromBufferAttribute(n,p),l.fromBufferAttribute(n,m),a.add(c),o.add(c),l.add(c),n.setXYZ(d,a.x,a.y,a.z),n.setXYZ(p,o.x,o.y,o.z),n.setXYZ(m,l.x,l.y,l.z)}else for(let t=0,a=e.count;t<a;t+=3)i.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),s.fromBufferAttribute(e,t+2),c.subVectors(s,r),h.subVectors(i,r),c.cross(h),n.setXYZ(t+0,c.x,c.y,c.z),n.setXYZ(t+1,c.x,c.y,c.z),n.setXYZ(t+2,c.x,c.y,c.z);this.normalizeNormals(),n.needsUpdate=!0}}merge(){return console.error("THREE.BufferGeometry.merge() has been removed. Use THREE.BufferGeometryUtils.mergeGeometries() instead."),this}normalizeNormals(){const t=this.attributes.normal;for(let e=0,n=t.count;e<n;e++)gr.fromBufferAttribute(t,e),gr.normalize(),t.setXYZ(e,gr.x,gr.y,gr.z)}toNonIndexed(){function t(t,e){const n=t.array,i=t.itemSize,r=t.normalized,s=new n.constructor(e.length*i);let a=0,o=0;for(let r=0,l=e.length;r<l;r++){a=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*i;for(let t=0;t<i;t++)s[o++]=n[a++]}return new ar(s,i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new vr,n=this.index.array,i=this.attributes;for(const r in i){const s=t(i[r],n);e.setAttribute(r,s)}const r=this.morphAttributes;for(const i in r){const s=[],a=r[i];for(let e=0,i=a.length;e<i;e++){const i=t(a[e],n);s.push(i)}e.morphAttributes[i]=s}e.morphTargetsRelative=this.morphTargetsRelative;const s=this.groups;for(let t=0,n=s.length;t<n;t++){const n=s[t];e.addGroup(n.start,n.count,n.materialIndex)}return e}toJSON(){const t={metadata:{version:4.6,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);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 n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e<i;e++){const i=n[e];s.push(i.toJSON(t.data))}s.length>0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),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 n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t<r;t++)n.push(i[t].clone(e));this.morphAttributes[t]=n}this.morphTargetsRelative=t.morphTargetsRelative;const s=t.groups;for(let t=0,e=s.length;t<e;t++){const e=s[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}dispose(){this.dispatchEvent({type:"dispose"})}}const _r=new ai,yr=new si,xr=new Kn,Mr=new Ln,Sr=new Ln,br=new Ln,Er=new Ln,Tr=new Ln,wr=new Ln,Ar=new en,Rr=new en,Cr=new en,Lr=new Ln,Pr=new Ln,Ir=new Ln,Ur=new Ln,Dr=new Ln;class Nr extends Pi{constructor(t=new vr,e=new $i){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,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=t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t<e;t++){const e=n[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}getVertexPosition(t,e){const n=this.geometry,i=n.attributes.position,r=n.morphAttributes.position,s=n.morphTargetsRelative;e.fromBufferAttribute(i,t);const a=this.morphTargetInfluences;if(r&&a){wr.set(0,0,0);for(let n=0,i=r.length;n<i;n++){const i=a[n],o=r[n];0!==i&&(Tr.fromBufferAttribute(o,t),s?wr.addScaledVector(Tr,i):wr.addScaledVector(Tr.sub(e),i))}e.add(wr)}return e}raycast(t,e){const n=this.geometry,i=this.material,r=this.matrixWorld;if(void 0!==i){if(null===n.boundingSphere&&n.computeBoundingSphere(),xr.copy(n.boundingSphere),xr.applyMatrix4(r),yr.copy(t.ray).recast(t.near),!1===xr.containsPoint(yr.origin)){if(null===yr.intersectSphere(xr,Mr))return;if(yr.origin.distanceToSquared(Mr)>(t.far-t.near)**2)return}_r.copy(r).invert(),yr.copy(t.ray).applyMatrix4(_r),null!==n.boundingBox&&!1===yr.intersectsBox(n.boundingBox)||this._computeIntersections(t,e,yr)}}_computeIntersections(t,e,n){let i;const r=this.geometry,s=this.material,a=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(s))for(let r=0,o=u.length;r<o;r++){const o=u[r],p=s[o.materialIndex];for(let r=Math.max(o.start,d.start),s=Math.min(a.count,Math.min(o.start+o.count,d.start+d.count));r<s;r+=3){i=Or(this,p,t,n,l,c,h,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=Or(this,s,t,n,l,c,h,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(s))for(let r=0,a=u.length;r<a;r++){const a=u[r],p=s[a.materialIndex];for(let r=Math.max(a.start,d.start),s=Math.min(o.count,Math.min(a.start+a.count,d.start+d.count));r<s;r+=3){i=Or(this,p,t,n,l,c,h,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=Or(this,s,t,n,l,c,h,r,r+1,r+2),i&&(i.faceIndex=Math.floor(r/3),e.push(i))}}}}function Or(t,e,n,i,r,s,a,o,h,u){t.getVertexPosition(o,Sr),t.getVertexPosition(h,br),t.getVertexPosition(u,Er);const d=function(t,e,n,i,r,s,a,o){let h;if(h=e.side===c?i.intersectTriangle(a,s,r,!0,o):i.intersectTriangle(r,s,a,e.side===l,o),null===h)return null;Dr.copy(o),Dr.applyMatrix4(t.matrixWorld);const u=n.ray.origin.distanceTo(Dr);return u<n.near||u>n.far?null:{distance:u,point:Dr.clone(),object:t}}(t,e,n,i,Sr,br,Er,Ur);if(d){r&&(Ar.fromBufferAttribute(r,o),Rr.fromBufferAttribute(r,h),Cr.fromBufferAttribute(r,u),d.uv=Vi.getInterpolation(Ur,Sr,br,Er,Ar,Rr,Cr,new en)),s&&(Ar.fromBufferAttribute(s,o),Rr.fromBufferAttribute(s,h),Cr.fromBufferAttribute(s,u),d.uv1=Vi.getInterpolation(Ur,Sr,br,Er,Ar,Rr,Cr,new en),d.uv2=d.uv1),a&&(Lr.fromBufferAttribute(a,o),Pr.fromBufferAttribute(a,h),Ir.fromBufferAttribute(a,u),d.normal=Vi.getInterpolation(Ur,Sr,br,Er,Lr,Pr,Ir,new Ln),d.normal.dot(i.direction)>0&&d.normal.multiplyScalar(-1));const t={a:o,b:h,c:u,normal:new Ln,materialIndex:0};Vi.getNormal(Sr,br,Er,t.normal),d.face=t}return d}class Fr extends vr{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,n,i,r,s,p,m,f,g,v){const _=s/f,y=p/g,x=s/2,M=p/2,S=m/2,b=f+1,E=g+1;let T=0,w=0;const A=new Ln;for(let s=0;s<E;s++){const a=s*y-M;for(let o=0;o<b;o++){const u=o*_-x;A[t]=u*i,A[e]=a*r,A[n]=S,l.push(A.x,A.y,A.z),A[t]=0,A[e]=0,A[n]=m>0?1:-1,c.push(A.x,A.y,A.z),h.push(o/f),h.push(1-s/g),T+=1}}for(let t=0;t<g;t++)for(let e=0;e<f;e++){const n=u+e+b*t,i=u+e+b*(t+1),r=u+(e+1)+b*(t+1),s=u+(e+1)+b*t;o.push(n,i,s),o.push(i,r,s),w+=6}a.addGroup(d,w,v),d+=w,u+=T}p("z","y","x",-1,-1,n,e,t,s,r,0),p("z","y","x",1,-1,n,e,-t,s,r,1),p("x","z","y",1,1,t,n,e,i,s,2),p("x","z","y",1,-1,t,n,-e,i,s,3),p("x","y","z",1,-1,t,e,n,i,r,4),p("x","y","z",-1,-1,t,e,-n,i,r,5),this.setIndex(o),this.setAttribute("position",new cr(l,3)),this.setAttribute("normal",new cr(c,3)),this.setAttribute("uv",new cr(h,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Fr(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}function Br(t){const e={};for(const n in t){e[n]={};for(const i in t[n]){const r=t[n][i];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?r.isRenderTargetTexture?(console.warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),e[n][i]=null):e[n][i]=r.clone():Array.isArray(r)?e[n][i]=r.slice():e[n][i]=r}}return e}function zr(t){const e={};for(let n=0;n<t.length;n++){const i=Br(t[n]);for(const t in i)e[t]=i[t]}return e}function Gr(t){return null===t.getRenderTarget()?t.outputColorSpace:Ee}const Hr={clone:Br,merge:zr};class kr extends Xi{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={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!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=Br(t.uniforms),this.uniformsGroups=function(t){const e=[];for(let n=0;n<t.length;n++)e.push(t[n].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}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const n in this.uniforms){const i=this.uniforms[n].value;i&&i.isTexture?e.uniforms[n]={type:"t",value:i.toJSON(t).uuid}:i&&i.isColor?e.uniforms[n]={type:"c",value:i.getHex()}:i&&i.isVector2?e.uniforms[n]={type:"v2",value:i.toArray()}:i&&i.isVector3?e.uniforms[n]={type:"v3",value:i.toArray()}:i&&i.isVector4?e.uniforms[n]={type:"v4",value:i.toArray()}:i&&i.isMatrix3?e.uniforms[n]={type:"m3",value:i.toArray()}:i&&i.isMatrix4?e.uniforms[n]={type:"m4",value:i.toArray()}:e.uniforms[n]={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 n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class Vr extends Pi{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new ai,this.projectionMatrix=new ai,this.projectionMatrixInverse=new ai,this.coordinateSystem=Be}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){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(-e[8],-e[9],-e[10]).normalize()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}class Wr extends Vr{constructor(t=50,e=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,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*We*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Ve*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*We*Math.atan(Math.tan(.5*Ve*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(t,e,n,i,r,s){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=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Ve*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far,this.coordinateSystem),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}}const Xr=-90;class jr extends Pi{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null;const i=new Wr(Xr,1,t,e);i.layers=this.layers,this.add(i);const r=new Wr(Xr,1,t,e);r.layers=this.layers,this.add(r);const s=new Wr(Xr,1,t,e);s.layers=this.layers,this.add(s);const a=new Wr(Xr,1,t,e);a.layers=this.layers,this.add(a);const o=new Wr(Xr,1,t,e);o.layers=this.layers,this.add(o);const l=new Wr(Xr,1,t,e);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,i,r,s,a,o]=e;for(const t of e)this.remove(t);if(t===Be)n.up.set(0,1,0),n.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),s.up.set(0,0,1),s.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!==ze)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);n.up.set(0,-1,0),n.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),s.up.set(0,0,-1),s.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 n=this.renderTarget;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[i,r,s,a,o,l]=this.children,c=t.getRenderTarget(),h=t.toneMapping,u=t.xr.enabled;t.toneMapping=W,t.xr.enabled=!1;const d=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0),t.render(e,i),t.setRenderTarget(n,1),t.render(e,r),t.setRenderTarget(n,2),t.render(e,s),t.setRenderTarget(n,3),t.render(e,a),t.setRenderTarget(n,4),t.render(e,o),n.texture.generateMipmaps=d,t.setRenderTarget(n,5),t.render(e,l),t.setRenderTarget(c),t.toneMapping=h,t.xr.enabled=u,n.texture.needsPMREMUpdate=!0}}class qr extends En{constructor(t,e,n,i,r,s,a,o,l,c){super(t=void 0!==t?t:[],e=void 0!==e?e:K,n,i,r,s,a,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class Yr extends wn{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];void 0!==e.encoding&&(hn("THREE.WebGLCubeRenderTarget: option.encoding has been replaced by option.colorSpace."),e.colorSpace=e.encoding===_e?be:Se),this.texture=new qr(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:lt}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.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 Fr(5,5,5),r=new kr({name:"CubemapFromEquirect",uniforms:Br(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:c,blending:u});r.uniforms.tEquirect.value=e;const s=new Nr(i,r),a=e.minFilter;e.minFilter===ht&&(e.minFilter=lt);return new jr(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}const Zr=new Ln,Jr=new Ln,Kr=new nn;class $r{constructor(t=new Ln(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,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=Zr.subVectors(n,e).cross(Jr.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){const n=t.delta(Zr),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(t.start).addScaledVector(n,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<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 n=e||Kr.getNormalMatrix(t),i=this.coplanarPoint(Zr).applyMatrix4(t),r=this.normal.applyMatrix3(n).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 Qr=new Kn,ts=new Ln;class es{constructor(t=new $r,e=new $r,n=new $r,i=new $r,r=new $r,s=new $r){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=2e3){const n=this.planes,i=t.elements,r=i[0],s=i[1],a=i[2],o=i[3],l=i[4],c=i[5],h=i[6],u=i[7],d=i[8],p=i[9],m=i[10],f=i[11],g=i[12],v=i[13],_=i[14],y=i[15];if(n[0].setComponents(o-r,u-l,f-d,y-g).normalize(),n[1].setComponents(o+r,u+l,f+d,y+g).normalize(),n[2].setComponents(o+s,u+c,f+p,y+v).normalize(),n[3].setComponents(o-s,u-c,f-p,y-v).normalize(),n[4].setComponents(o-a,u-h,f-m,y-_).normalize(),e===Be)n[5].setComponents(o+a,u+h,f+m,y+_).normalize();else{if(e!==ze)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);n[5].setComponents(a,h,m,_).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),Qr.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),Qr.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(Qr)}intersectsSprite(t){return Qr.center.set(0,0,0),Qr.radius=.7071067811865476,Qr.applyMatrix4(t.matrixWorld),this.intersectsSphere(Qr)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)<i)return!1}return!0}intersectsBox(t){const e=this.planes;for(let n=0;n<6;n++){const i=e[n];if(ts.x=i.normal.x>0?t.max.x:t.min.x,ts.y=i.normal.y>0?t.max.y:t.min.y,ts.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(ts)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function ns(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function is(t,e){const n=e.isWebGL2,i=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),i.get(t)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);const n=i.get(e);n&&(t.deleteBuffer(n.buffer),i.delete(e))},update:function(e,r){if(e.isGLBufferAttribute){const t=i.get(e);return void((!t||t.version<e.version)&&i.set(e,{buffer:e.buffer,type:e.type,bytesPerElement:e.elementSize,version:e.version}))}e.isInterleavedBufferAttribute&&(e=e.data);const s=i.get(e);void 0===s?i.set(e,function(e,i){const r=e.array,s=e.usage,a=t.createBuffer();let o;if(t.bindBuffer(i,a),t.bufferData(i,r,s),e.onUploadCallback(),r instanceof Float32Array)o=t.FLOAT;else if(r instanceof Uint16Array)if(e.isFloat16BufferAttribute){if(!n)throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");o=t.HALF_FLOAT}else o=t.UNSIGNED_SHORT;else if(r instanceof Int16Array)o=t.SHORT;else if(r instanceof Uint32Array)o=t.UNSIGNED_INT;else if(r instanceof Int32Array)o=t.INT;else if(r instanceof Int8Array)o=t.BYTE;else if(r instanceof Uint8Array)o=t.UNSIGNED_BYTE;else{if(!(r instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+r);o=t.UNSIGNED_BYTE}return{buffer:a,type:o,bytesPerElement:r.BYTES_PER_ELEMENT,version:e.version}}(e,r)):s.version<e.version&&(!function(e,i,r){const s=i.array,a=i.updateRange;t.bindBuffer(r,e),-1===a.count?t.bufferSubData(r,0,s):(n?t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s,a.offset,a.count):t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s.subarray(a.offset,a.offset+a.count)),a.count=-1),i.onUploadCallback()}(s.buffer,e,r),s.version=e.version)}}}class rs extends vr{constructor(t=1,e=1,n=1,i=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:n,heightSegments:i};const r=t/2,s=e/2,a=Math.floor(n),o=Math.floor(i),l=a+1,c=o+1,h=t/a,u=e/o,d=[],p=[],m=[],f=[];for(let t=0;t<c;t++){const e=t*u-s;for(let n=0;n<l;n++){const i=n*h-r;p.push(i,-e,0),m.push(0,0,1),f.push(n/a),f.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const n=e+l*t,i=e+l*(t+1),r=e+1+l*(t+1),s=e+1+l*t;d.push(n,i,s),d.push(i,r,s)}this.setIndex(d),this.setAttribute("position",new cr(p,3)),this.setAttribute("normal",new cr(m,3)),this.setAttribute("uv",new cr(f,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new rs(t.width,t.height,t.widthSegments,t.heightSegments)}}const ss={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\tif ( diffuseColor.a < alphaTest ) discard;\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_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\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",begin_vertex:"vec3 transformed = vec3( position );",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\t return 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 R21 = R12;\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 = dFdx( surf_pos.xyz );\n\t\tvec3 vSigmaY = 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#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\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_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\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};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\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_v0 0.339\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_v1 0.276\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_v4 0.046\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_v5 0.016\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_v6 0.0038\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_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\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\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"vec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( 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 = inverseTransformDirection( 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, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\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 = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, 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, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, 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 = inverseTransformDirection( 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_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif",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 GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, 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 GeometricContext geometry, 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;\nuniform vec3 lightProbe[ 9 ];\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 = inverseTransformDirection( 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\t#if defined ( LEGACY_LIGHTS )\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#else\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#endif\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, const in GeometricContext geometry, 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 GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\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 GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\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",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 GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, 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 GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, 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 * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\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 = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), 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_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, 0.07, 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\tanisotropyV /= material.anisotropy;\n\tmaterial.anisotropy = saturate( material.anisotropy );\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:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\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#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 clearcoatSpecular = vec3( 0.0 );\nvec3 sheenSpecular = 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\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\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.specularColor;\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 * transposeMat3( 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 a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\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\tvec2 fab = DFGApprox( normal, viewDir, roughness );\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}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\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.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\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:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometry.viewDir ) );\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.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\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, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, 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, geometry, 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.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, 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, geometry, 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.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, 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, geometry, 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\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\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 ], geometry.normal );\n\t\t}\n\t\t#pragma unroll_loop_end\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( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometry.viewDir, geometry.normal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, vMapUv );\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",morphcolor_vertex:"#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\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\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\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, vNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\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#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 geometryNormal = 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\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#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 = geometryNormal;\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",output_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.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n\treturn packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n\treturn unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( 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( 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\treturn depth * ( near - far ) - near;\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\treturn ( near * far ) / ( ( far - near ) * depth - far );\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_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\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\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\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\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 sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\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\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\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 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 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 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\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\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.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.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\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.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\tuniform int boneTextureSize;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tfloat j = i * 4.0;\n\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\ty = dy * ( y + 0.5 );\n\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\treturn bone;\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 OptimizedCineonToneMapping( 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}\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 = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, 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 ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\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:"#ifdef USE_UV\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:"#ifdef USE_UV\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:"#ifdef USE_UV\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_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\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <encodings_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 flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, 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 <encodings_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 <encodings_fragment>\n}",depth_vert:"#include <common>\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 <skinbase_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 <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\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 <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\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#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\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 <skinbase_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}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\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 <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\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 <encodings_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 <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\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\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 <morphcolor_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 <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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\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 <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 <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_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 <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 <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 <packing>\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 <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\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 <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 <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_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 <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 <morphcolor_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 <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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\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 <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 <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_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 <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 <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#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 <packing>\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\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( packNormalToRGB( normal ), opacity );\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 <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 <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}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\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 <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\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 <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 <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_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 <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 <morphcolor_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_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 <packing>\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 <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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\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 <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\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecular;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\n\t#endif\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_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 <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 <morphcolor_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 <packing>\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 <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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\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 <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 <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_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 <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 <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\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 <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 <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 <packing>\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 <encodings_fragment>\n\t#include <fog_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 * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\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 <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}"},as={common:{diffuse:{value:new Ji(16777215)},opacity:{value:1},map:{value:null},mapTransform:{value:new nn},alphaMap:{value:null},alphaMapTransform:{value:new nn},alphaTest:{value:0}},specularmap:{specularMap:{value:null},specularMapTransform:{value:new nn}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1},aoMapTransform:{value:new nn}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1},lightMapTransform:{value:new nn}},bumpmap:{bumpMap:{value:null},bumpMapTransform:{value:new nn},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalMapTransform:{value:new nn},normalScale:{value:new en(1,1)}},displacementmap:{displacementMap:{value:null},displacementMapTransform:{value:new nn},displacementScale:{value:1},displacementBias:{value:0}},emissivemap:{emissiveMap:{value:null},emissiveMapTransform:{value:new nn}},metalnessmap:{metalnessMap:{value:null},metalnessMapTransform:{value:new nn}},roughnessmap:{roughnessMap:{value:null},roughnessMapTransform:{value:new nn}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new Ji(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotLightMap:{value:[]},spotShadowMap:{value:[]},spotLightMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new Ji(16777215)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},alphaMapTransform:{value:new nn},alphaTest:{value:0},uvTransform:{value:new nn}},sprite:{diffuse:{value:new Ji(16777215)},opacity:{value:1},center:{value:new en(.5,.5)},rotation:{value:0},map:{value:null},mapTransform:{value:new nn},alphaMap:{value:null},alphaMapTransform:{value:new nn},alphaTest:{value:0}}},os={basic:{uniforms:zr([as.common,as.specularmap,as.envmap,as.aomap,as.lightmap,as.fog]),vertexShader:ss.meshbasic_vert,fragmentShader:ss.meshbasic_frag},lambert:{uniforms:zr([as.common,as.specularmap,as.envmap,as.aomap,as.lightmap,as.emissivemap,as.bumpmap,as.normalmap,as.displacementmap,as.fog,as.lights,{emissive:{value:new Ji(0)}}]),vertexShader:ss.meshlambert_vert,fragmentShader:ss.meshlambert_frag},phong:{uniforms:zr([as.common,as.specularmap,as.envmap,as.aomap,as.lightmap,as.emissivemap,as.bumpmap,as.normalmap,as.displacementmap,as.fog,as.lights,{emissive:{value:new Ji(0)},specular:{value:new Ji(1118481)},shininess:{value:30}}]),vertexShader:ss.meshphong_vert,fragmentShader:ss.meshphong_frag},standard:{uniforms:zr([as.common,as.envmap,as.aomap,as.lightmap,as.emissivemap,as.bumpmap,as.normalmap,as.displacementmap,as.roughnessmap,as.metalnessmap,as.fog,as.lights,{emissive:{value:new Ji(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:ss.meshphysical_vert,fragmentShader:ss.meshphysical_frag},toon:{uniforms:zr([as.common,as.aomap,as.lightmap,as.emissivemap,as.bumpmap,as.normalmap,as.displacementmap,as.gradientmap,as.fog,as.lights,{emissive:{value:new Ji(0)}}]),vertexShader:ss.meshtoon_vert,fragmentShader:ss.meshtoon_frag},matcap:{uniforms:zr([as.common,as.bumpmap,as.normalmap,as.displacementmap,as.fog,{matcap:{value:null}}]),vertexShader:ss.meshmatcap_vert,fragmentShader:ss.meshmatcap_frag},points:{uniforms:zr([as.points,as.fog]),vertexShader:ss.points_vert,fragmentShader:ss.points_frag},dashed:{uniforms:zr([as.common,as.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:ss.linedashed_vert,fragmentShader:ss.linedashed_frag},depth:{uniforms:zr([as.common,as.displacementmap]),vertexShader:ss.depth_vert,fragmentShader:ss.depth_frag},normal:{uniforms:zr([as.common,as.bumpmap,as.normalmap,as.displacementmap,{opacity:{value:1}}]),vertexShader:ss.meshnormal_vert,fragmentShader:ss.meshnormal_frag},sprite:{uniforms:zr([as.sprite,as.fog]),vertexShader:ss.sprite_vert,fragmentShader:ss.sprite_frag},background:{uniforms:{uvTransform:{value:new nn},t2D:{value:null},backgroundIntensity:{value:1}},vertexShader:ss.background_vert,fragmentShader:ss.background_frag},backgroundCube:{uniforms:{envMap:{value:null},flipEnvMap:{value:-1},backgroundBlurriness:{value:0},backgroundIntensity:{value:1}},vertexShader:ss.backgroundCube_vert,fragmentShader:ss.backgroundCube_frag},cube:{uniforms:{tCube:{value:null},tFlip:{value:-1},opacity:{value:1}},vertexShader:ss.cube_vert,fragmentShader:ss.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:ss.equirect_vert,fragmentShader:ss.equirect_frag},distanceRGBA:{uniforms:zr([as.common,as.displacementmap,{referencePosition:{value:new Ln},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:ss.distanceRGBA_vert,fragmentShader:ss.distanceRGBA_frag},shadow:{uniforms:zr([as.lights,as.fog,{color:{value:new Ji(0)},opacity:{value:1}}]),vertexShader:ss.shadow_vert,fragmentShader:ss.shadow_frag}};os.physical={uniforms:zr([os.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatMapTransform:{value:new nn},clearcoatNormalMap:{value:null},clearcoatNormalMapTransform:{value:new nn},clearcoatNormalScale:{value:new en(1,1)},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatRoughnessMapTransform:{value:new nn},iridescence:{value:0},iridescenceMap:{value:null},iridescenceMapTransform:{value:new nn},iridescenceIOR:{value:1.3},iridescenceThicknessMinimum:{value:100},iridescenceThicknessMaximum:{value:400},iridescenceThicknessMap:{value:null},iridescenceThicknessMapTransform:{value:new nn},sheen:{value:0},sheenColor:{value:new Ji(0)},sheenColorMap:{value:null},sheenColorMapTransform:{value:new nn},sheenRoughness:{value:1},sheenRoughnessMap:{value:null},sheenRoughnessMapTransform:{value:new nn},transmission:{value:0},transmissionMap:{value:null},transmissionMapTransform:{value:new nn},transmissionSamplerSize:{value:new en},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},thicknessMapTransform:{value:new nn},attenuationDistance:{value:0},attenuationColor:{value:new Ji(0)},specularColor:{value:new Ji(1,1,1)},specularColorMap:{value:null},specularColorMapTransform:{value:new nn},specularIntensity:{value:1},specularIntensityMap:{value:null},specularIntensityMapTransform:{value:new nn},anisotropyVector:{value:new en},anisotropyMap:{value:null},anisotropyMapTransform:{value:new nn}}]),vertexShader:ss.meshphysical_vert,fragmentShader:ss.meshphysical_frag};const ls={r:0,b:0,g:0};function cs(t,e,n,i,r,s,a){const o=new Ji(0);let h,u,d=!0===s?0:1,p=null,m=0,f=null;function g(e,n){e.getRGB(ls,Gr(t)),i.buffers.color.setClear(ls.r,ls.g,ls.b,n,a)}return{getClearColor:function(){return o},setClearColor:function(t,e=1){o.set(t),d=e,g(o,d)},getClearAlpha:function(){return d},setClearAlpha:function(t){d=t,g(o,d)},render:function(s,v){let _=!1,y=!0===v.isScene?v.background:null;if(y&&y.isTexture){y=(v.backgroundBlurriness>0?n:e).get(y)}switch(null===y?g(o,d):y&&y.isColor&&(g(y,1),_=!0),t.xr.getEnvironmentBlendMode()){case"opaque":_=!0;break;case"additive":i.buffers.color.setClear(0,0,0,1,a),_=!0;break;case"alpha-blend":i.buffers.color.setClear(0,0,0,0,a),_=!0}(t.autoClear||_)&&t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil),y&&(y.isCubeTexture||y.mapping===et)?(void 0===u&&(u=new Nr(new Fr(1,1,1),new kr({name:"BackgroundCubeMaterial",uniforms:Br(os.backgroundCube.uniforms),vertexShader:os.backgroundCube.vertexShader,fragmentShader:os.backgroundCube.fragmentShader,side:c,depthTest:!1,depthWrite:!1,fog:!1})),u.geometry.deleteAttribute("normal"),u.geometry.deleteAttribute("uv"),u.onBeforeRender=function(t,e,n){this.matrixWorld.copyPosition(n.matrixWorld)},Object.defineProperty(u.material,"envMap",{get:function(){return this.uniforms.envMap.value}}),r.update(u)),u.material.uniforms.envMap.value=y,u.material.uniforms.flipEnvMap.value=y.isCubeTexture&&!1===y.isRenderTargetTexture?-1:1,u.material.uniforms.backgroundBlurriness.value=v.backgroundBlurriness,u.material.uniforms.backgroundIntensity.value=v.backgroundIntensity,u.material.toneMapped=y.colorSpace!==be,p===y&&m===y.version&&f===t.toneMapping||(u.material.needsUpdate=!0,p=y,m=y.version,f=t.toneMapping),u.layers.enableAll(),s.unshift(u,u.geometry,u.material,0,0,null)):y&&y.isTexture&&(void 0===h&&(h=new Nr(new rs(2,2),new kr({name:"BackgroundMaterial",uniforms:Br(os.background.uniforms),vertexShader:os.background.vertexShader,fragmentShader:os.background.fragmentShader,side:l,depthTest:!1,depthWrite:!1,fog:!1})),h.geometry.deleteAttribute("normal"),Object.defineProperty(h.material,"map",{get:function(){return this.uniforms.t2D.value}}),r.update(h)),h.material.uniforms.t2D.value=y,h.material.uniforms.backgroundIntensity.value=v.backgroundIntensity,h.material.toneMapped=y.colorSpace!==be,!0===y.matrixAutoUpdate&&y.updateMatrix(),h.material.uniforms.uvTransform.value.copy(y.matrix),p===y&&m===y.version&&f===t.toneMapping||(h.material.needsUpdate=!0,p=y,m=y.version,f=t.toneMapping),h.layers.enableAll(),s.unshift(h,h.geometry,h.material,0,0,null))}}}function hs(t,e,n,i){const r=t.getParameter(t.MAX_VERTEX_ATTRIBS),s=i.isWebGL2?null:e.get("OES_vertex_array_object"),a=i.isWebGL2||null!==s,o={},l=p(null);let c=l,h=!1;function u(e){return i.isWebGL2?t.bindVertexArray(e):s.bindVertexArrayOES(e)}function d(e){return i.isWebGL2?t.deleteVertexArray(e):s.deleteVertexArrayOES(e)}function p(t){const e=[],n=[],i=[];for(let t=0;t<r;t++)e[t]=0,n[t]=0,i[t]=0;return{geometry:null,program:null,wireframe:!1,newAttributes:e,enabledAttributes:n,attributeDivisors:i,object:t,attributes:{},index:null}}function m(){const t=c.newAttributes;for(let e=0,n=t.length;e<n;e++)t[e]=0}function f(t){g(t,0)}function g(n,r){const s=c.newAttributes,a=c.enabledAttributes,o=c.attributeDivisors;if(s[n]=1,0===a[n]&&(t.enableVertexAttribArray(n),a[n]=1),o[n]!==r){(i.isWebGL2?t:e.get("ANGLE_instanced_arrays"))[i.isWebGL2?"vertexAttribDivisor":"vertexAttribDivisorANGLE"](n,r),o[n]=r}}function v(){const e=c.newAttributes,n=c.enabledAttributes;for(let i=0,r=n.length;i<r;i++)n[i]!==e[i]&&(t.disableVertexAttribArray(i),n[i]=0)}function _(e,n,i,r,s,a,o){!0===o?t.vertexAttribIPointer(e,n,i,s,a):t.vertexAttribPointer(e,n,i,r,s,a)}function y(){x(),h=!0,c!==l&&(c=l,u(c.object))}function x(){l.geometry=null,l.program=null,l.wireframe=!1}return{setup:function(r,l,d,y,x){let M=!1;if(a){const e=function(e,n,r){const a=!0===r.wireframe;let l=o[e.id];void 0===l&&(l={},o[e.id]=l);let c=l[n.id];void 0===c&&(c={},l[n.id]=c);let h=c[a];void 0===h&&(h=p(i.isWebGL2?t.createVertexArray():s.createVertexArrayOES()),c[a]=h);return h}(y,d,l);c!==e&&(c=e,u(c.object)),M=function(t,e,n,i){const r=c.attributes,s=e.attributes;let a=0;const o=n.getAttributes();for(const e in o){if(o[e].location>=0){const n=r[e];let i=s[e];if(void 0===i&&("instanceMatrix"===e&&t.instanceMatrix&&(i=t.instanceMatrix),"instanceColor"===e&&t.instanceColor&&(i=t.instanceColor)),void 0===n)return!0;if(n.attribute!==i)return!0;if(i&&n.data!==i.data)return!0;a++}}return c.attributesNum!==a||c.index!==i}(r,y,d,x),M&&function(t,e,n,i){const r={},s=e.attributes;let a=0;const o=n.getAttributes();for(const e in o){if(o[e].location>=0){let n=s[e];void 0===n&&("instanceMatrix"===e&&t.instanceMatrix&&(n=t.instanceMatrix),"instanceColor"===e&&t.instanceColor&&(n=t.instanceColor));const i={};i.attribute=n,n&&n.data&&(i.data=n.data),r[e]=i,a++}}c.attributes=r,c.attributesNum=a,c.index=i}(r,y,d,x)}else{const t=!0===l.wireframe;c.geometry===y.id&&c.program===d.id&&c.wireframe===t||(c.geometry=y.id,c.program=d.id,c.wireframe=t,M=!0)}null!==x&&n.update(x,t.ELEMENT_ARRAY_BUFFER),(M||h)&&(h=!1,function(r,s,a,o){if(!1===i.isWebGL2&&(r.isInstancedMesh||o.isInstancedBufferGeometry)&&null===e.get("ANGLE_instanced_arrays"))return;m();const l=o.attributes,c=a.getAttributes(),h=s.defaultAttributeValues;for(const e in c){const s=c[e];if(s.location>=0){let a=l[e];if(void 0===a&&("instanceMatrix"===e&&r.instanceMatrix&&(a=r.instanceMatrix),"instanceColor"===e&&r.instanceColor&&(a=r.instanceColor)),void 0!==a){const e=a.normalized,l=a.itemSize,c=n.get(a);if(void 0===c)continue;const h=c.buffer,u=c.type,d=c.bytesPerElement,p=!0===i.isWebGL2&&(u===t.INT||u===t.UNSIGNED_INT||a.gpuType===ft);if(a.isInterleavedBufferAttribute){const n=a.data,i=n.stride,c=a.offset;if(n.isInstancedInterleavedBuffer){for(let t=0;t<s.locationSize;t++)g(s.location+t,n.meshPerAttribute);!0!==r.isInstancedMesh&&void 0===o._maxInstanceCount&&(o._maxInstanceCount=n.meshPerAttribute*n.count)}else for(let t=0;t<s.locationSize;t++)f(s.location+t);t.bindBuffer(t.ARRAY_BUFFER,h);for(let t=0;t<s.locationSize;t++)_(s.location+t,l/s.locationSize,u,e,i*d,(c+l/s.locationSize*t)*d,p)}else{if(a.isInstancedBufferAttribute){for(let t=0;t<s.locationSize;t++)g(s.location+t,a.meshPerAttribute);!0!==r.isInstancedMesh&&void 0===o._maxInstanceCount&&(o._maxInstanceCount=a.meshPerAttribute*a.count)}else for(let t=0;t<s.locationSize;t++)f(s.location+t);t.bindBuffer(t.ARRAY_BUFFER,h);for(let t=0;t<s.locationSize;t++)_(s.location+t,l/s.locationSize,u,e,l*d,l/s.locationSize*t*d,p)}}else if(void 0!==h){const n=h[e];if(void 0!==n)switch(n.length){case 2:t.vertexAttrib2fv(s.location,n);break;case 3:t.vertexAttrib3fv(s.location,n);break;case 4:t.vertexAttrib4fv(s.location,n);break;default:t.vertexAttrib1fv(s.location,n)}}}}v()}(r,l,d,y),null!==x&&t.bindBuffer(t.ELEMENT_ARRAY_BUFFER,n.get(x).buffer))},reset:y,resetDefaultState:x,dispose:function(){y();for(const t in o){const e=o[t];for(const t in e){const n=e[t];for(const t in n)d(n[t].object),delete n[t];delete e[t]}delete o[t]}},releaseStatesOfGeometry:function(t){if(void 0===o[t.id])return;const e=o[t.id];for(const t in e){const n=e[t];for(const t in n)d(n[t].object),delete n[t];delete e[t]}delete o[t.id]},releaseStatesOfProgram:function(t){for(const e in o){const n=o[e];if(void 0===n[t.id])continue;const i=n[t.id];for(const t in i)d(i[t].object),delete i[t];delete n[t.id]}},initAttributes:m,enableAttribute:f,disableUnusedAttributes:v}}function us(t,e,n,i){const r=i.isWebGL2;let s;this.setMode=function(t){s=t},this.render=function(e,i){t.drawArrays(s,e,i),n.update(i,s,1)},this.renderInstances=function(i,a,o){if(0===o)return;let l,c;if(r)l=t,c="drawArraysInstanced";else if(l=e.get("ANGLE_instanced_arrays"),c="drawArraysInstancedANGLE",null===l)return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");l[c](s,i,a,o),n.update(a,s,o)}}function ds(t,e,n){let i;function r(e){if("highp"===e){if(t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.HIGH_FLOAT).precision>0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.HIGH_FLOAT).precision>0)return"highp";e="mediump"}return"mediump"===e&&t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.MEDIUM_FLOAT).precision>0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}const s="undefined"!=typeof WebGL2RenderingContext&&"WebGL2RenderingContext"===t.constructor.name;let a=void 0!==n.precision?n.precision:"highp";const o=r(a);o!==a&&(console.warn("THREE.WebGLRenderer:",a,"not supported, using",o,"instead."),a=o);const l=s||e.has("WEBGL_draw_buffers"),c=!0===n.logarithmicDepthBuffer,h=t.getParameter(t.MAX_TEXTURE_IMAGE_UNITS),u=t.getParameter(t.MAX_VERTEX_TEXTURE_IMAGE_UNITS),d=t.getParameter(t.MAX_TEXTURE_SIZE),p=t.getParameter(t.MAX_CUBE_MAP_TEXTURE_SIZE),m=t.getParameter(t.MAX_VERTEX_ATTRIBS),f=t.getParameter(t.MAX_VERTEX_UNIFORM_VECTORS),g=t.getParameter(t.MAX_VARYING_VECTORS),v=t.getParameter(t.MAX_FRAGMENT_UNIFORM_VECTORS),_=u>0,y=s||e.has("OES_texture_float");return{isWebGL2:s,drawBuffers:l,getMaxAnisotropy:function(){if(void 0!==i)return i;if(!0===e.has("EXT_texture_filter_anisotropic")){const n=e.get("EXT_texture_filter_anisotropic");i=t.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else i=0;return i},getMaxPrecision:r,precision:a,logarithmicDepthBuffer:c,maxTextures:h,maxVertexTextures:u,maxTextureSize:d,maxCubemapSize:p,maxAttributes:m,maxVertexUniforms:f,maxVaryings:g,maxFragmentUniforms:v,vertexTextures:_,floatFragmentTextures:y,floatVertexTextures:_&&y,maxSamples:s?t.getParameter(t.MAX_SAMPLES):0}}function ps(t){const e=this;let n=null,i=0,r=!1,s=!1;const a=new $r,o=new nn,l={value:null,needsUpdate:!1};function c(t,n,i,r){const s=null!==t?t.length:0;let c=null;if(0!==s){if(c=l.value,!0!==r||null===c){const e=i+4*s,r=n.matrixWorldInverse;o.getNormalMatrix(r),(null===c||c.length<e)&&(c=new Float32Array(e));for(let e=0,n=i;e!==s;++e,n+=4)a.copy(t[e]).applyMatrix4(r,o),a.normal.toArray(c,n),c[n+3]=a.constant}l.value=c,l.needsUpdate=!0}return e.numPlanes=s,e.numIntersection=0,c}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(t,e){const n=0!==t.length||e||0!==i||r;return r=e,i=t.length,n},this.beginShadows=function(){s=!0,c(null)},this.endShadows=function(){s=!1},this.setGlobalState=function(t,e){n=c(t,e,0)},this.setState=function(a,o,h){const u=a.clippingPlanes,d=a.clipIntersection,p=a.clipShadows,m=t.get(a);if(!r||null===u||0===u.length||s&&!p)s?c(null):function(){l.value!==n&&(l.value=n,l.needsUpdate=i>0);e.numPlanes=i,e.numIntersection=0}();else{const t=s?0:i,e=4*t;let r=m.clippingState||null;l.value=r,r=c(u,o,e,h);for(let t=0;t!==e;++t)r[t]=n[t];m.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=t}}}function ms(t){let e=new WeakMap;function n(t,e){return e===Q?t.mapping=K:e===tt&&(t.mapping=$),t}function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture&&!1===r.isRenderTargetTexture){const s=r.mapping;if(s===Q||s===tt){if(e.has(r)){return n(e.get(r).texture,r.mapping)}{const s=r.image;if(s&&s.height>0){const a=new Yr(s.height/2);return a.fromEquirectangularTexture(t,r),e.set(r,a),r.addEventListener("dispose",i),n(a.texture,r.mapping)}return null}}}return r},dispose:function(){e=new WeakMap}}}class fs extends Vr{constructor(t=-1,e=1,n=1,i=-1,r=.1,s=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=r,this.far=s,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,n,i,r,s){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=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,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),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-t,s=n+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,s=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far,this.coordinateSystem),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}}const gs=4,vs=[.125,.215,.35,.446,.526,.582],_s=20,ys=new fs,xs=new Ji;let Ms=null;const Ss=(1+Math.sqrt(5))/2,bs=1/Ss,Es=[new Ln(1,1,1),new Ln(-1,1,1),new Ln(1,1,-1),new Ln(-1,1,-1),new Ln(0,Ss,bs),new Ln(0,Ss,-bs),new Ln(bs,0,Ss),new Ln(-bs,0,Ss),new Ln(Ss,bs,0),new Ln(-Ss,bs,0)];class Ts{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){Ms=this._renderer.getRenderTarget(),this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Cs(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Rs(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;t<this._lodPlanes.length;t++)this._lodPlanes[t].dispose()}_cleanup(t){this._renderer.setRenderTarget(Ms),t.scissorTest=!1,As(t,0,0,t.width,t.height)}_fromTexture(t,e){t.mapping===K||t.mapping===$?this._setSize(0===t.image.length?16:t.image[0].width||t.image[0].image.width):this._setSize(t.image.width/4),Ms=this._renderer.getRenderTarget();const n=e||this._allocateTargets();return this._textureToCubeUV(t,n),this._applyPMREM(n),this._cleanup(n),n}_allocateTargets(){const t=3*Math.max(this._cubeSize,112),e=4*this._cubeSize,n={magFilter:lt,minFilter:lt,generateMipmaps:!1,type:_t,format:bt,colorSpace:Ee,depthBuffer:!1},i=ws(t,e,n);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==t||this._pingPongRenderTarget.height!==e){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=ws(t,e,n);const{_lodMax:i}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas}=function(t){const e=[],n=[],i=[];let r=t;const s=t-gs+1+vs.length;for(let a=0;a<s;a++){const s=Math.pow(2,r);n.push(s);let o=1/s;a>t-gs?o=vs[a-t+gs-1]:0===a&&(o=0),i.push(o);const l=1/(s-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,m=3,f=2,g=1,v=new Float32Array(m*p*d),_=new Float32Array(f*p*d),y=new Float32Array(g*p*d);for(let t=0;t<d;t++){const e=t%3*2/3-1,n=t>2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];v.set(i,m*p*t),_.set(u,f*p*t);const r=[t,t,t,t,t,t];y.set(r,g*p*t)}const x=new vr;x.setAttribute("position",new ar(v,m)),x.setAttribute("uv",new ar(_,f)),x.setAttribute("faceIndex",new ar(y,g)),e.push(x),r>gs&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}(i)),this._blurMaterial=function(t,e,n){const i=new Float32Array(_s),r=new Ln(0,1,0),s=new kr({name:"SphericalGaussianBlur",defines:{n:_s,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Ls(),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:u,depthTest:!1,depthWrite:!1});return s}(i,t,e)}return i}_compileMaterial(t){const e=new Nr(this._lodPlanes[0],t);this._renderer.compile(e,ys)}_sceneToCubeUV(t,e,n,i){const r=new Wr(90,1,e,n),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,h=o.toneMapping;o.getClearColor(xs),o.toneMapping=W,o.autoClear=!1;const u=new $i({name:"PMREM.Background",side:c,depthWrite:!1,depthTest:!1}),d=new Nr(new Fr,u);let p=!1;const m=t.background;m?m.isColor&&(u.color.copy(m),t.background=null,p=!0):(u.color.copy(xs),p=!0);for(let e=0;e<6;e++){const n=e%3;0===n?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===n?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;As(i,n*l,e>2?l:0,l,l),o.setRenderTarget(i),p&&o.render(d,r),o.render(t,r)}d.geometry.dispose(),d.material.dispose(),o.toneMapping=h,o.autoClear=l,t.background=m}_textureToCubeUV(t,e){const n=this._renderer,i=t.mapping===K||t.mapping===$;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=Cs()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Rs());const r=i?this._cubemapMaterial:this._equirectMaterial,s=new Nr(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const a=this._cubeSize;As(e,0,0,3*a,2*a),n.setRenderTarget(e),n.render(s,ys)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;for(let e=1;e<this._lodPlanes.length;e++){const n=Math.sqrt(this._sigmas[e]*this._sigmas[e]-this._sigmas[e-1]*this._sigmas[e-1]),i=Es[(e-1)%Es.length];this._blur(t,e-1,e,n,i)}e.autoClear=n}_blur(t,e,n,i,r){const s=this._pingPongRenderTarget;this._halfBlur(t,s,e,n,i,"latitudinal",r),this._halfBlur(s,t,n,n,i,"longitudinal",r)}_halfBlur(t,e,n,i,r,s,a){const o=this._renderer,l=this._blurMaterial;"latitudinal"!==s&&"longitudinal"!==s&&console.error("blur direction must be either latitudinal or longitudinal!");const c=new Nr(this._lodPlanes[i],l),h=l.uniforms,u=this._sizeLods[n]-1,d=isFinite(r)?Math.PI/(2*u):2*Math.PI/(2*_s-1),p=r/d,m=isFinite(r)?1+Math.floor(3*p):_s;m>_s&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to ${_s}`);const f=[];let g=0;for(let t=0;t<_s;++t){const e=t/p,n=Math.exp(-e*e/2);f.push(n),0===t?g+=n:t<m&&(g+=2*n)}for(let t=0;t<f.length;t++)f[t]=f[t]/g;h.envMap.value=t.texture,h.samples.value=m,h.weights.value=f,h.latitudinal.value="latitudinal"===s,a&&(h.poleAxis.value=a);const{_lodMax:v}=this;h.dTheta.value=d,h.mipInt.value=v-n;const _=this._sizeLods[i];As(e,3*_*(i>v-gs?i-v+gs:0),4*(this._cubeSize-_),3*_,2*_),o.setRenderTarget(e),o.render(c,ys)}}function ws(t,e,n){const i=new wn(t,e,n);return i.texture.mapping=et,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function As(t,e,n,i,r){t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function Rs(){return new kr({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:Ls(),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:u,depthTest:!1,depthWrite:!1})}function Cs(){return new kr({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:Ls(),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:u,depthTest:!1,depthWrite:!1})}function Ls(){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"}function Ps(t){let e=new WeakMap,n=null;function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping,a=s===Q||s===tt,o=s===K||s===$;if(a||o){if(r.isRenderTargetTexture&&!0===r.needsPMREMUpdate){r.needsPMREMUpdate=!1;let i=e.get(r);return null===n&&(n=new Ts(t)),i=a?n.fromEquirectangular(r,i):n.fromCubemap(r,i),e.set(r,i),i.texture}if(e.has(r))return e.get(r).texture;{const s=r.image;if(a&&s&&s.height>0||o&&s&&function(t){let e=0;const n=6;for(let i=0;i<n;i++)void 0!==t[i]&&e++;return e===n}(s)){null===n&&(n=new Ts(t));const s=a?n.fromEquirectangular(r):n.fromCubemap(r);return e.set(r,s),r.addEventListener("dispose",i),s.texture}return null}}}return r},dispose:function(){e=new WeakMap,null!==n&&(n.dispose(),n=null)}}}function Is(t){const e={};function n(n){if(void 0!==e[n])return e[n];let i;switch(n){case"WEBGL_depth_texture":i=t.getExtension("WEBGL_depth_texture")||t.getExtension("MOZ_WEBGL_depth_texture")||t.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=t.getExtension("EXT_texture_filter_anisotropic")||t.getExtension("MOZ_EXT_texture_filter_anisotropic")||t.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=t.getExtension("WEBGL_compressed_texture_s3tc")||t.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||t.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=t.getExtension("WEBGL_compressed_texture_pvrtc")||t.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=t.getExtension(n)}return e[n]=i,i}return{has:function(t){return null!==n(t)},init:function(t){t.isWebGL2?n("EXT_color_buffer_float"):(n("WEBGL_depth_texture"),n("OES_texture_float"),n("OES_texture_half_float"),n("OES_texture_half_float_linear"),n("OES_standard_derivatives"),n("OES_element_index_uint"),n("OES_vertex_array_object"),n("ANGLE_instanced_arrays")),n("OES_texture_float_linear"),n("EXT_color_buffer_half_float"),n("WEBGL_multisampled_render_to_texture")},get:function(t){const e=n(t);return null===e&&console.warn("THREE.WebGLRenderer: "+t+" extension not supported."),e}}}function Us(t,e,n,i){const r={},s=new WeakMap;function a(t){const o=t.target;null!==o.index&&e.remove(o.index);for(const t in o.attributes)e.remove(o.attributes[t]);for(const t in o.morphAttributes){const n=o.morphAttributes[t];for(let t=0,i=n.length;t<i;t++)e.remove(n[t])}o.removeEventListener("dispose",a),delete r[o.id];const l=s.get(o);l&&(e.remove(l),s.delete(o)),i.releaseStatesOfGeometry(o),!0===o.isInstancedBufferGeometry&&delete o._maxInstanceCount,n.memory.geometries--}function o(t){const n=[],i=t.index,r=t.attributes.position;let a=0;if(null!==i){const t=i.array;a=i.version;for(let e=0,i=t.length;e<i;e+=3){const i=t[e+0],r=t[e+1],s=t[e+2];n.push(i,r,r,s,s,i)}}else{const t=r.array;a=r.version;for(let e=0,i=t.length/3-1;e<i;e+=3){const t=e+0,i=e+1,r=e+2;n.push(t,i,i,r,r,t)}}const o=new(sn(n)?lr:or)(n,1);o.version=a;const l=s.get(t);l&&e.remove(l),s.set(t,o)}return{get:function(t,e){return!0===r[e.id]||(e.addEventListener("dispose",a),r[e.id]=!0,n.memory.geometries++),e},update:function(n){const i=n.attributes;for(const n in i)e.update(i[n],t.ARRAY_BUFFER);const r=n.morphAttributes;for(const n in r){const i=r[n];for(let n=0,r=i.length;n<r;n++)e.update(i[n],t.ARRAY_BUFFER)}},getWireframeAttribute:function(t){const e=s.get(t);if(e){const n=t.index;null!==n&&e.version<n.version&&o(t)}else o(t);return s.get(t)}}}function Ds(t,e,n,i){const r=i.isWebGL2;let s,a,o;this.setMode=function(t){s=t},this.setIndex=function(t){a=t.type,o=t.bytesPerElement},this.render=function(e,i){t.drawElements(s,i,a,e*o),n.update(i,s,1)},this.renderInstances=function(i,l,c){if(0===c)return;let h,u;if(r)h=t,u="drawElementsInstanced";else if(h=e.get("ANGLE_instanced_arrays"),u="drawElementsInstancedANGLE",null===h)return void console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");h[u](s,l,a,i*o,c),n.update(l,s,c)}}function Ns(t){const e={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:e,programs:null,autoReset:!0,reset:function(){e.calls=0,e.triangles=0,e.points=0,e.lines=0},update:function(n,i,r){switch(e.calls++,i){case t.TRIANGLES:e.triangles+=r*(n/3);break;case t.LINES:e.lines+=r*(n/2);break;case t.LINE_STRIP:e.lines+=r*(n-1);break;case t.LINE_LOOP:e.lines+=r*n;break;case t.POINTS:e.points+=r*n;break;default:console.error("THREE.WebGLInfo: Unknown draw mode:",i)}}}}function Os(t,e){return t[0]-e[0]}function Fs(t,e){return Math.abs(e[1])-Math.abs(t[1])}function Bs(t,e,n){const i={},r=new Float32Array(8),s=new WeakMap,a=new Tn,o=[];for(let t=0;t<8;t++)o[t]=[t,0];return{update:function(l,c,h){const u=l.morphTargetInfluences;if(!0===e.isWebGL2){const d=c.morphAttributes.position||c.morphAttributes.normal||c.morphAttributes.color,p=void 0!==d?d.length:0;let m=s.get(c);if(void 0===m||m.count!==p){void 0!==m&&m.texture.dispose();const v=void 0!==c.morphAttributes.position,_=void 0!==c.morphAttributes.normal,y=void 0!==c.morphAttributes.color,x=c.morphAttributes.position||[],M=c.morphAttributes.normal||[],S=c.morphAttributes.color||[];let b=0;!0===v&&(b=1),!0===_&&(b=2),!0===y&&(b=3);let E=c.attributes.position.count*b,T=1;E>e.maxTextureSize&&(T=Math.ceil(E/e.maxTextureSize),E=e.maxTextureSize);const w=new Float32Array(E*T*4*p),A=new An(w,E,T,p);A.type=vt,A.needsUpdate=!0;const R=4*b;for(let L=0;L<p;L++){const P=x[L],I=M[L],U=S[L],D=E*T*4*L;for(let N=0;N<P.count;N++){const O=N*R;!0===v&&(a.fromBufferAttribute(P,N),w[D+O+0]=a.x,w[D+O+1]=a.y,w[D+O+2]=a.z,w[D+O+3]=0),!0===_&&(a.fromBufferAttribute(I,N),w[D+O+4]=a.x,w[D+O+5]=a.y,w[D+O+6]=a.z,w[D+O+7]=0),!0===y&&(a.fromBufferAttribute(U,N),w[D+O+8]=a.x,w[D+O+9]=a.y,w[D+O+10]=a.z,w[D+O+11]=4===U.itemSize?a.w:1)}}function C(){A.dispose(),s.delete(c),c.removeEventListener("dispose",C)}m={count:p,texture:A,size:new en(E,T)},s.set(c,m),c.addEventListener("dispose",C)}let f=0;for(let F=0;F<u.length;F++)f+=u[F];const g=c.morphTargetsRelative?1:1-f;h.getUniforms().setValue(t,"morphTargetBaseInfluence",g),h.getUniforms().setValue(t,"morphTargetInfluences",u),h.getUniforms().setValue(t,"morphTargetsTexture",m.texture,n),h.getUniforms().setValue(t,"morphTargetsTextureSize",m.size)}else{const B=void 0===u?0:u.length;let z=i[c.id];if(void 0===z||z.length!==B){z=[];for(let W=0;W<B;W++)z[W]=[W,0];i[c.id]=z}for(let X=0;X<B;X++){const j=z[X];j[0]=X,j[1]=u[X]}z.sort(Fs);for(let q=0;q<8;q++)q<B&&z[q][1]?(o[q][0]=z[q][0],o[q][1]=z[q][1]):(o[q][0]=Number.MAX_SAFE_INTEGER,o[q][1]=0);o.sort(Os);const G=c.morphAttributes.position,H=c.morphAttributes.normal;let k=0;for(let Y=0;Y<8;Y++){const Z=o[Y],J=Z[0],K=Z[1];J!==Number.MAX_SAFE_INTEGER&&K?(G&&c.getAttribute("morphTarget"+Y)!==G[J]&&c.setAttribute("morphTarget"+Y,G[J]),H&&c.getAttribute("morphNormal"+Y)!==H[J]&&c.setAttribute("morphNormal"+Y,H[J]),r[Y]=K,k+=K):(G&&!0===c.hasAttribute("morphTarget"+Y)&&c.deleteAttribute("morphTarget"+Y),H&&!0===c.hasAttribute("morphNormal"+Y)&&c.deleteAttribute("morphNormal"+Y),r[Y]=0)}const V=c.morphTargetsRelative?1:1-k;h.getUniforms().setValue(t,"morphTargetBaseInfluence",V),h.getUniforms().setValue(t,"morphTargetInfluences",r)}}}}function zs(t,e,n,i){let r=new WeakMap;function s(t){const e=t.target;e.removeEventListener("dispose",s),n.remove(e.instanceMatrix),null!==e.instanceColor&&n.remove(e.instanceColor)}return{update:function(a){const o=i.render.frame,l=a.geometry,c=e.get(a,l);return r.get(c)!==o&&(e.update(c),r.set(c,o)),a.isInstancedMesh&&(!1===a.hasEventListener("dispose",s)&&a.addEventListener("dispose",s),n.update(a.instanceMatrix,t.ARRAY_BUFFER),null!==a.instanceColor&&n.update(a.instanceColor,t.ARRAY_BUFFER)),c},dispose:function(){r=new WeakMap}}}const Gs=new En,Hs=new An,ks=new Rn,Vs=new qr,Ws=[],Xs=[],js=new Float32Array(16),qs=new Float32Array(9),Ys=new Float32Array(4);function Zs(t,e,n){const i=t[0];if(i<=0||i>0)return t;const r=e*n;let s=Ws[r];if(void 0===s&&(s=new Float32Array(r),Ws[r]=s),0!==e){i.toArray(s,0);for(let i=1,r=0;i!==e;++i)r+=n,t[i].toArray(s,r)}return s}function Js(t,e){if(t.length!==e.length)return!1;for(let n=0,i=t.length;n<i;n++)if(t[n]!==e[n])return!1;return!0}function Ks(t,e){for(let n=0,i=e.length;n<i;n++)t[n]=e[n]}function $s(t,e){let n=Xs[e];void 0===n&&(n=new Int32Array(e),Xs[e]=n);for(let i=0;i!==e;++i)n[i]=t.allocateTextureUnit();return n}function Qs(t,e){const n=this.cache;n[0]!==e&&(t.uniform1f(this.addr,e),n[0]=e)}function ta(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y||(t.uniform2f(this.addr,e.x,e.y),n[0]=e.x,n[1]=e.y);else{if(Js(n,e))return;t.uniform2fv(this.addr,e),Ks(n,e)}}function ea(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z||(t.uniform3f(this.addr,e.x,e.y,e.z),n[0]=e.x,n[1]=e.y,n[2]=e.z);else if(void 0!==e.r)n[0]===e.r&&n[1]===e.g&&n[2]===e.b||(t.uniform3f(this.addr,e.r,e.g,e.b),n[0]=e.r,n[1]=e.g,n[2]=e.b);else{if(Js(n,e))return;t.uniform3fv(this.addr,e),Ks(n,e)}}function na(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z&&n[3]===e.w||(t.uniform4f(this.addr,e.x,e.y,e.z,e.w),n[0]=e.x,n[1]=e.y,n[2]=e.z,n[3]=e.w);else{if(Js(n,e))return;t.uniform4fv(this.addr,e),Ks(n,e)}}function ia(t,e){const n=this.cache,i=e.elements;if(void 0===i){if(Js(n,e))return;t.uniformMatrix2fv(this.addr,!1,e),Ks(n,e)}else{if(Js(n,i))return;Ys.set(i),t.uniformMatrix2fv(this.addr,!1,Ys),Ks(n,i)}}function ra(t,e){const n=this.cache,i=e.elements;if(void 0===i){if(Js(n,e))return;t.uniformMatrix3fv(this.addr,!1,e),Ks(n,e)}else{if(Js(n,i))return;qs.set(i),t.uniformMatrix3fv(this.addr,!1,qs),Ks(n,i)}}function sa(t,e){const n=this.cache,i=e.elements;if(void 0===i){if(Js(n,e))return;t.uniformMatrix4fv(this.addr,!1,e),Ks(n,e)}else{if(Js(n,i))return;js.set(i),t.uniformMatrix4fv(this.addr,!1,js),Ks(n,i)}}function aa(t,e){const n=this.cache;n[0]!==e&&(t.uniform1i(this.addr,e),n[0]=e)}function oa(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y||(t.uniform2i(this.addr,e.x,e.y),n[0]=e.x,n[1]=e.y);else{if(Js(n,e))return;t.uniform2iv(this.addr,e),Ks(n,e)}}function la(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z||(t.uniform3i(this.addr,e.x,e.y,e.z),n[0]=e.x,n[1]=e.y,n[2]=e.z);else{if(Js(n,e))return;t.uniform3iv(this.addr,e),Ks(n,e)}}function ca(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z&&n[3]===e.w||(t.uniform4i(this.addr,e.x,e.y,e.z,e.w),n[0]=e.x,n[1]=e.y,n[2]=e.z,n[3]=e.w);else{if(Js(n,e))return;t.uniform4iv(this.addr,e),Ks(n,e)}}function ha(t,e){const n=this.cache;n[0]!==e&&(t.uniform1ui(this.addr,e),n[0]=e)}function ua(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y||(t.uniform2ui(this.addr,e.x,e.y),n[0]=e.x,n[1]=e.y);else{if(Js(n,e))return;t.uniform2uiv(this.addr,e),Ks(n,e)}}function da(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z||(t.uniform3ui(this.addr,e.x,e.y,e.z),n[0]=e.x,n[1]=e.y,n[2]=e.z);else{if(Js(n,e))return;t.uniform3uiv(this.addr,e),Ks(n,e)}}function pa(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z&&n[3]===e.w||(t.uniform4ui(this.addr,e.x,e.y,e.z,e.w),n[0]=e.x,n[1]=e.y,n[2]=e.z,n[3]=e.w);else{if(Js(n,e))return;t.uniform4uiv(this.addr,e),Ks(n,e)}}function ma(t,e,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(t.uniform1i(this.addr,r),i[0]=r),n.setTexture2D(e||Gs,r)}function fa(t,e,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(t.uniform1i(this.addr,r),i[0]=r),n.setTexture3D(e||ks,r)}function ga(t,e,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(t.uniform1i(this.addr,r),i[0]=r),n.setTextureCube(e||Vs,r)}function va(t,e,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(t.uniform1i(this.addr,r),i[0]=r),n.setTexture2DArray(e||Hs,r)}function _a(t,e){t.uniform1fv(this.addr,e)}function ya(t,e){const n=Zs(e,this.size,2);t.uniform2fv(this.addr,n)}function xa(t,e){const n=Zs(e,this.size,3);t.uniform3fv(this.addr,n)}function Ma(t,e){const n=Zs(e,this.size,4);t.uniform4fv(this.addr,n)}function Sa(t,e){const n=Zs(e,this.size,4);t.uniformMatrix2fv(this.addr,!1,n)}function ba(t,e){const n=Zs(e,this.size,9);t.uniformMatrix3fv(this.addr,!1,n)}function Ea(t,e){const n=Zs(e,this.size,16);t.uniformMatrix4fv(this.addr,!1,n)}function Ta(t,e){t.uniform1iv(this.addr,e)}function wa(t,e){t.uniform2iv(this.addr,e)}function Aa(t,e){t.uniform3iv(this.addr,e)}function Ra(t,e){t.uniform4iv(this.addr,e)}function Ca(t,e){t.uniform1uiv(this.addr,e)}function La(t,e){t.uniform2uiv(this.addr,e)}function Pa(t,e){t.uniform3uiv(this.addr,e)}function Ia(t,e){t.uniform4uiv(this.addr,e)}function Ua(t,e,n){const i=this.cache,r=e.length,s=$s(n,r);Js(i,s)||(t.uniform1iv(this.addr,s),Ks(i,s));for(let t=0;t!==r;++t)n.setTexture2D(e[t]||Gs,s[t])}function Da(t,e,n){const i=this.cache,r=e.length,s=$s(n,r);Js(i,s)||(t.uniform1iv(this.addr,s),Ks(i,s));for(let t=0;t!==r;++t)n.setTexture3D(e[t]||ks,s[t])}function Na(t,e,n){const i=this.cache,r=e.length,s=$s(n,r);Js(i,s)||(t.uniform1iv(this.addr,s),Ks(i,s));for(let t=0;t!==r;++t)n.setTextureCube(e[t]||Vs,s[t])}function Oa(t,e,n){const i=this.cache,r=e.length,s=$s(n,r);Js(i,s)||(t.uniform1iv(this.addr,s),Ks(i,s));for(let t=0;t!==r;++t)n.setTexture2DArray(e[t]||Hs,s[t])}class Fa{constructor(t,e,n){this.id=t,this.addr=n,this.cache=[],this.setValue=function(t){switch(t){case 5126:return Qs;case 35664:return ta;case 35665:return ea;case 35666:return na;case 35674:return ia;case 35675:return ra;case 35676:return sa;case 5124:case 35670:return aa;case 35667:case 35671:return oa;case 35668:case 35672:return la;case 35669:case 35673:return ca;case 5125:return ha;case 36294:return ua;case 36295:return da;case 36296:return pa;case 35678:case 36198:case 36298:case 36306:case 35682:return ma;case 35679:case 36299:case 36307:return fa;case 35680:case 36300:case 36308:case 36293:return ga;case 36289:case 36303:case 36311:case 36292:return va}}(e.type)}}class Ba{constructor(t,e,n){this.id=t,this.addr=n,this.cache=[],this.size=e.size,this.setValue=function(t){switch(t){case 5126:return _a;case 35664:return ya;case 35665:return xa;case 35666:return Ma;case 35674:return Sa;case 35675:return ba;case 35676:return Ea;case 5124:case 35670:return Ta;case 35667:case 35671:return wa;case 35668:case 35672:return Aa;case 35669:case 35673:return Ra;case 5125:return Ca;case 36294:return La;case 36295:return Pa;case 36296:return Ia;case 35678:case 36198:case 36298:case 36306:case 35682:return Ua;case 35679:case 36299:case 36307:return Da;case 35680:case 36300:case 36308:case 36293:return Na;case 36289:case 36303:case 36311:case 36292:return Oa}}(e.type)}}class za{constructor(t){this.id=t,this.seq=[],this.map={}}setValue(t,e,n){const i=this.seq;for(let r=0,s=i.length;r!==s;++r){const s=i[r];s.setValue(t,e[s.id],n)}}}const Ga=/(\w+)(\])?(\[|\.)?/g;function Ha(t,e){t.seq.push(e),t.map[e.id]=e}function ka(t,e,n){const i=t.name,r=i.length;for(Ga.lastIndex=0;;){const s=Ga.exec(i),a=Ga.lastIndex;let o=s[1];const l="]"===s[2],c=s[3];if(l&&(o|=0),void 0===c||"["===c&&a+2===r){Ha(n,void 0===c?new Fa(o,t,e):new Ba(o,t,e));break}{let t=n.map[o];void 0===t&&(t=new za(o),Ha(n,t)),n=t}}}class Va{constructor(t,e){this.seq=[],this.map={};const n=t.getProgramParameter(e,t.ACTIVE_UNIFORMS);for(let i=0;i<n;++i){const n=t.getActiveUniform(e,i);ka(n,t.getUniformLocation(e,n.name),this)}}setValue(t,e,n,i){const r=this.map[e];void 0!==r&&r.setValue(t,n,i)}setOptional(t,e,n){const i=e[n];void 0!==i&&this.setValue(t,n,i)}static upload(t,e,n,i){for(let r=0,s=e.length;r!==s;++r){const s=e[r],a=n[s.id];!1!==a.needsUpdate&&s.setValue(t,a.value,i)}}static seqWithValue(t,e){const n=[];for(let i=0,r=t.length;i!==r;++i){const r=t[i];r.id in e&&n.push(r)}return n}}function Wa(t,e,n){const i=t.createShader(e);return t.shaderSource(i,n),t.compileShader(i),i}let Xa=0;function ja(t,e,n){const i=t.getShaderParameter(e,t.COMPILE_STATUS),r=t.getShaderInfoLog(e).trim();if(i&&""===r)return"";const s=/ERROR: 0:(\d+)/.exec(r);if(s){const i=parseInt(s[1]);return n.toUpperCase()+"\n\n"+r+"\n\n"+function(t,e){const n=t.split("\n"),i=[],r=Math.max(e-6,0),s=Math.min(e+6,n.length);for(let t=r;t<s;t++){const r=t+1;i.push(`${r===e?">":" "} ${r}: ${n[t]}`)}return i.join("\n")}(t.getShaderSource(e),i)}return r}function qa(t,e){const n=function(t){switch(t){case Ee:return["Linear","( value )"];case be:return["sRGB","( value )"];default:return console.warn("THREE.WebGLProgram: Unsupported color space:",t),["Linear","( value )"]}}(e);return"vec4 "+t+"( vec4 value ) { return LinearTo"+n[0]+n[1]+"; }"}function Ya(t,e){let n;switch(e){case X:n="Linear";break;case j:n="Reinhard";break;case q:n="OptimizedCineon";break;case Y:n="ACESFilmic";break;case Z:n="Custom";break;default:console.warn("THREE.WebGLProgram: Unsupported toneMapping:",e),n="Linear"}return"vec3 "+t+"( vec3 color ) { return "+n+"ToneMapping( color ); }"}function Za(t){return""!==t}function Ja(t,e){const n=e.numSpotLightShadows+e.numSpotLightMaps-e.numSpotLightShadowsWithMaps;return t.replace(/NUM_DIR_LIGHTS/g,e.numDirLights).replace(/NUM_SPOT_LIGHTS/g,e.numSpotLights).replace(/NUM_SPOT_LIGHT_MAPS/g,e.numSpotLightMaps).replace(/NUM_SPOT_LIGHT_COORDS/g,n).replace(/NUM_RECT_AREA_LIGHTS/g,e.numRectAreaLights).replace(/NUM_POINT_LIGHTS/g,e.numPointLights).replace(/NUM_HEMI_LIGHTS/g,e.numHemiLights).replace(/NUM_DIR_LIGHT_SHADOWS/g,e.numDirLightShadows).replace(/NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS/g,e.numSpotLightShadowsWithMaps).replace(/NUM_SPOT_LIGHT_SHADOWS/g,e.numSpotLightShadows).replace(/NUM_POINT_LIGHT_SHADOWS/g,e.numPointLightShadows)}function Ka(t,e){return t.replace(/NUM_CLIPPING_PLANES/g,e.numClippingPlanes).replace(/UNION_CLIPPING_PLANES/g,e.numClippingPlanes-e.numClipIntersection)}const $a=/^[ \t]*#include +<([\w\d./]+)>/gm;function Qa(t){return t.replace($a,to)}function to(t,e){const n=ss[e];if(void 0===n)throw new Error("Can not resolve #include <"+e+">");return Qa(n)}const eo=/#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g;function no(t){return t.replace(eo,io)}function io(t,e,n,i){let r="";for(let t=parseInt(e);t<parseInt(n);t++)r+=i.replace(/\[\s*i\s*\]/g,"[ "+t+" ]").replace(/UNROLLED_LOOP_INDEX/g,t);return r}function ro(t){let e="precision "+t.precision+" float;\nprecision "+t.precision+" int;";return"highp"===t.precision?e+="\n#define HIGH_PRECISION":"mediump"===t.precision?e+="\n#define MEDIUM_PRECISION":"lowp"===t.precision&&(e+="\n#define LOW_PRECISION"),e}function so(t,e,n,i){const r=t.getContext(),l=n.defines;let c=n.vertexShader,h=n.fragmentShader;const u=function(t){let e="SHADOWMAP_TYPE_BASIC";return t.shadowMapType===s?e="SHADOWMAP_TYPE_PCF":t.shadowMapType===a?e="SHADOWMAP_TYPE_PCF_SOFT":t.shadowMapType===o&&(e="SHADOWMAP_TYPE_VSM"),e}(n),d=function(t){let e="ENVMAP_TYPE_CUBE";if(t.envMap)switch(t.envMapMode){case K:case $:e="ENVMAP_TYPE_CUBE";break;case et:e="ENVMAP_TYPE_CUBE_UV"}return e}(n),p=function(t){let e="ENVMAP_MODE_REFLECTION";t.envMap&&t.envMapMode===$&&(e="ENVMAP_MODE_REFRACTION");return e}(n),m=function(t){let e="ENVMAP_BLENDING_NONE";if(t.envMap)switch(t.combine){case H:e="ENVMAP_BLENDING_MULTIPLY";break;case k:e="ENVMAP_BLENDING_MIX";break;case V:e="ENVMAP_BLENDING_ADD"}return e}(n),f=function(t){const e=t.envMapCubeUVHeight;if(null===e)return null;const n=Math.log2(e)-2,i=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,n),112)),texelHeight:i,maxMip:n}}(n),g=n.isWebGL2?"":function(t){return[t.extensionDerivatives||t.envMapCubeUVHeight||t.bumpMap||t.normalMapTangentSpace||t.clearcoatNormalMap||t.flatShading||"physical"===t.shaderID?"#extension GL_OES_standard_derivatives : enable":"",(t.extensionFragDepth||t.logarithmicDepthBuffer)&&t.rendererExtensionFragDepth?"#extension GL_EXT_frag_depth : enable":"",t.extensionDrawBuffers&&t.rendererExtensionDrawBuffers?"#extension GL_EXT_draw_buffers : require":"",(t.extensionShaderTextureLOD||t.envMap||t.transmission)&&t.rendererExtensionShaderTextureLod?"#extension GL_EXT_shader_texture_lod : enable":""].filter(Za).join("\n")}(n),v=function(t){const e=[];for(const n in t){const i=t[n];!1!==i&&e.push("#define "+n+" "+i)}return e.join("\n")}(l),_=r.createProgram();let y,x,M=n.glslVersion?"#version "+n.glslVersion+"\n":"";n.isRawShaderMaterial?(y=["#define SHADER_TYPE "+n.shaderType,"#define SHADER_NAME "+n.shaderName,v].filter(Za).join("\n"),y.length>0&&(y+="\n"),x=[g,"#define SHADER_TYPE "+n.shaderType,"#define SHADER_NAME "+n.shaderName,v].filter(Za).join("\n"),x.length>0&&(x+="\n")):(y=[ro(n),"#define SHADER_TYPE "+n.shaderType,"#define SHADER_NAME "+n.shaderName,v,n.instancing?"#define USE_INSTANCING":"",n.instancingColor?"#define USE_INSTANCING_COLOR":"",n.useFog&&n.fog?"#define USE_FOG":"",n.useFog&&n.fogExp2?"#define FOG_EXP2":"",n.map?"#define USE_MAP":"",n.envMap?"#define USE_ENVMAP":"",n.envMap?"#define "+p:"",n.lightMap?"#define USE_LIGHTMAP":"",n.aoMap?"#define USE_AOMAP":"",n.bumpMap?"#define USE_BUMPMAP":"",n.normalMap?"#define USE_NORMALMAP":"",n.normalMapObjectSpace?"#define USE_NORMALMAP_OBJECTSPACE":"",n.normalMapTangentSpace?"#define USE_NORMALMAP_TANGENTSPACE":"",n.displacementMap?"#define USE_DISPLACEMENTMAP":"",n.emissiveMap?"#define USE_EMISSIVEMAP":"",n.anisotropyMap?"#define USE_ANISOTROPYMAP":"",n.clearcoatMap?"#define USE_CLEARCOATMAP":"",n.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",n.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",n.iridescenceMap?"#define USE_IRIDESCENCEMAP":"",n.iridescenceThicknessMap?"#define USE_IRIDESCENCE_THICKNESSMAP":"",n.specularMap?"#define USE_SPECULARMAP":"",n.specularColorMap?"#define USE_SPECULAR_COLORMAP":"",n.specularIntensityMap?"#define USE_SPECULAR_INTENSITYMAP":"",n.roughnessMap?"#define USE_ROUGHNESSMAP":"",n.metalnessMap?"#define USE_METALNESSMAP":"",n.alphaMap?"#define USE_ALPHAMAP":"",n.transmission?"#define USE_TRANSMISSION":"",n.transmissionMap?"#define USE_TRANSMISSIONMAP":"",n.thicknessMap?"#define USE_THICKNESSMAP":"",n.sheenColorMap?"#define USE_SHEEN_COLORMAP":"",n.sheenRoughnessMap?"#define USE_SHEEN_ROUGHNESSMAP":"",n.mapUv?"#define MAP_UV "+n.mapUv:"",n.alphaMapUv?"#define ALPHAMAP_UV "+n.alphaMapUv:"",n.lightMapUv?"#define LIGHTMAP_UV "+n.lightMapUv:"",n.aoMapUv?"#define AOMAP_UV "+n.aoMapUv:"",n.emissiveMapUv?"#define EMISSIVEMAP_UV "+n.emissiveMapUv:"",n.bumpMapUv?"#define BUMPMAP_UV "+n.bumpMapUv:"",n.normalMapUv?"#define NORMALMAP_UV "+n.normalMapUv:"",n.displacementMapUv?"#define DISPLACEMENTMAP_UV "+n.displacementMapUv:"",n.metalnessMapUv?"#define METALNESSMAP_UV "+n.metalnessMapUv:"",n.roughnessMapUv?"#define ROUGHNESSMAP_UV "+n.roughnessMapUv:"",n.anisotropyMapUv?"#define ANISOTROPYMAP_UV "+n.anisotropyMapUv:"",n.clearcoatMapUv?"#define CLEARCOATMAP_UV "+n.clearcoatMapUv:"",n.clearcoatNormalMapUv?"#define CLEARCOAT_NORMALMAP_UV "+n.clearcoatNormalMapUv:"",n.clearcoatRoughnessMapUv?"#define CLEARCOAT_ROUGHNESSMAP_UV "+n.clearcoatRoughnessMapUv:"",n.iridescenceMapUv?"#define IRIDESCENCEMAP_UV "+n.iridescenceMapUv:"",n.iridescenceThicknessMapUv?"#define IRIDESCENCE_THICKNESSMAP_UV "+n.iridescenceThicknessMapUv:"",n.sheenColorMapUv?"#define SHEEN_COLORMAP_UV "+n.sheenColorMapUv:"",n.sheenRoughnessMapUv?"#define SHEEN_ROUGHNESSMAP_UV "+n.sheenRoughnessMapUv:"",n.specularMapUv?"#define SPECULARMAP_UV "+n.specularMapUv:"",n.specularColorMapUv?"#define SPECULAR_COLORMAP_UV "+n.specularColorMapUv:"",n.specularIntensityMapUv?"#define SPECULAR_INTENSITYMAP_UV "+n.specularIntensityMapUv:"",n.transmissionMapUv?"#define TRANSMISSIONMAP_UV "+n.transmissionMapUv:"",n.thicknessMapUv?"#define THICKNESSMAP_UV "+n.thicknessMapUv:"",n.vertexTangents?"#define USE_TANGENT":"",n.vertexColors?"#define USE_COLOR":"",n.vertexAlphas?"#define USE_COLOR_ALPHA":"",n.vertexUv1s?"#define USE_UV1":"",n.vertexUv2s?"#define USE_UV2":"",n.vertexUv3s?"#define USE_UV3":"",n.pointsUvs?"#define USE_POINTS_UV":"",n.flatShading?"#define FLAT_SHADED":"",n.skinning?"#define USE_SKINNING":"",n.morphTargets?"#define USE_MORPHTARGETS":"",n.morphNormals&&!1===n.flatShading?"#define USE_MORPHNORMALS":"",n.morphColors&&n.isWebGL2?"#define USE_MORPHCOLORS":"",n.morphTargetsCount>0&&n.isWebGL2?"#define MORPHTARGETS_TEXTURE":"",n.morphTargetsCount>0&&n.isWebGL2?"#define MORPHTARGETS_TEXTURE_STRIDE "+n.morphTextureStride:"",n.morphTargetsCount>0&&n.isWebGL2?"#define MORPHTARGETS_COUNT "+n.morphTargetsCount:"",n.doubleSided?"#define DOUBLE_SIDED":"",n.flipSided?"#define FLIP_SIDED":"",n.shadowMapEnabled?"#define USE_SHADOWMAP":"",n.shadowMapEnabled?"#define "+u:"",n.sizeAttenuation?"#define USE_SIZEATTENUATION":"",n.useLegacyLights?"#define LEGACY_LIGHTS":"",n.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",n.logarithmicDepthBuffer&&n.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"","uniform mat4 modelMatrix;","uniform mat4 modelViewMatrix;","uniform mat4 projectionMatrix;","uniform mat4 viewMatrix;","uniform mat3 normalMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;","#ifdef USE_INSTANCING","\tattribute mat4 instanceMatrix;","#endif","#ifdef USE_INSTANCING_COLOR","\tattribute vec3 instanceColor;","#endif","attribute vec3 position;","attribute vec3 normal;","attribute vec2 uv;","#ifdef USE_UV1","\tattribute vec2 uv1;","#endif","#ifdef USE_UV2","\tattribute vec2 uv2;","#endif","#ifdef USE_UV3","\tattribute vec2 uv3;","#endif","#ifdef USE_TANGENT","\tattribute vec4 tangent;","#endif","#if defined( USE_COLOR_ALPHA )","\tattribute vec4 color;","#elif defined( USE_COLOR )","\tattribute vec3 color;","#endif","#if ( defined( USE_MORPHTARGETS ) && ! defined( MORPHTARGETS_TEXTURE ) )","\tattribute vec3 morphTarget0;","\tattribute vec3 morphTarget1;","\tattribute vec3 morphTarget2;","\tattribute vec3 morphTarget3;","\t#ifdef USE_MORPHNORMALS","\t\tattribute vec3 morphNormal0;","\t\tattribute vec3 morphNormal1;","\t\tattribute vec3 morphNormal2;","\t\tattribute vec3 morphNormal3;","\t#else","\t\tattribute vec3 morphTarget4;","\t\tattribute vec3 morphTarget5;","\t\tattribute vec3 morphTarget6;","\t\tattribute vec3 morphTarget7;","\t#endif","#endif","#ifdef USE_SKINNING","\tattribute vec4 skinIndex;","\tattribute vec4 skinWeight;","#endif","\n"].filter(Za).join("\n"),x=[g,ro(n),"#define SHADER_TYPE "+n.shaderType,"#define SHADER_NAME "+n.shaderName,v,n.useFog&&n.fog?"#define USE_FOG":"",n.useFog&&n.fogExp2?"#define FOG_EXP2":"",n.map?"#define USE_MAP":"",n.matcap?"#define USE_MATCAP":"",n.envMap?"#define USE_ENVMAP":"",n.envMap?"#define "+d:"",n.envMap?"#define "+p:"",n.envMap?"#define "+m:"",f?"#define CUBEUV_TEXEL_WIDTH "+f.texelWidth:"",f?"#define CUBEUV_TEXEL_HEIGHT "+f.texelHeight:"",f?"#define CUBEUV_MAX_MIP "+f.maxMip+".0":"",n.lightMap?"#define USE_LIGHTMAP":"",n.aoMap?"#define USE_AOMAP":"",n.bumpMap?"#define USE_BUMPMAP":"",n.normalMap?"#define USE_NORMALMAP":"",n.normalMapObjectSpace?"#define USE_NORMALMAP_OBJECTSPACE":"",n.normalMapTangentSpace?"#define USE_NORMALMAP_TANGENTSPACE":"",n.emissiveMap?"#define USE_EMISSIVEMAP":"",n.anisotropy?"#define USE_ANISOTROPY":"",n.anisotropyMap?"#define USE_ANISOTROPYMAP":"",n.clearcoat?"#define USE_CLEARCOAT":"",n.clearcoatMap?"#define USE_CLEARCOATMAP":"",n.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",n.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",n.iridescence?"#define USE_IRIDESCENCE":"",n.iridescenceMap?"#define USE_IRIDESCENCEMAP":"",n.iridescenceThicknessMap?"#define USE_IRIDESCENCE_THICKNESSMAP":"",n.specularMap?"#define USE_SPECULARMAP":"",n.specularColorMap?"#define USE_SPECULAR_COLORMAP":"",n.specularIntensityMap?"#define USE_SPECULAR_INTENSITYMAP":"",n.roughnessMap?"#define USE_ROUGHNESSMAP":"",n.metalnessMap?"#define USE_METALNESSMAP":"",n.alphaMap?"#define USE_ALPHAMAP":"",n.alphaTest?"#define USE_ALPHATEST":"",n.sheen?"#define USE_SHEEN":"",n.sheenColorMap?"#define USE_SHEEN_COLORMAP":"",n.sheenRoughnessMap?"#define USE_SHEEN_ROUGHNESSMAP":"",n.transmission?"#define USE_TRANSMISSION":"",n.transmissionMap?"#define USE_TRANSMISSIONMAP":"",n.thicknessMap?"#define USE_THICKNESSMAP":"",n.vertexTangents?"#define USE_TANGENT":"",n.vertexColors||n.instancingColor?"#define USE_COLOR":"",n.vertexAlphas?"#define USE_COLOR_ALPHA":"",n.vertexUv1s?"#define USE_UV1":"",n.vertexUv2s?"#define USE_UV2":"",n.vertexUv3s?"#define USE_UV3":"",n.pointsUvs?"#define USE_POINTS_UV":"",n.gradientMap?"#define USE_GRADIENTMAP":"",n.flatShading?"#define FLAT_SHADED":"",n.doubleSided?"#define DOUBLE_SIDED":"",n.flipSided?"#define FLIP_SIDED":"",n.shadowMapEnabled?"#define USE_SHADOWMAP":"",n.shadowMapEnabled?"#define "+u:"",n.premultipliedAlpha?"#define PREMULTIPLIED_ALPHA":"",n.useLegacyLights?"#define LEGACY_LIGHTS":"",n.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",n.logarithmicDepthBuffer&&n.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"","uniform mat4 viewMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;",n.toneMapping!==W?"#define TONE_MAPPING":"",n.toneMapping!==W?ss.tonemapping_pars_fragment:"",n.toneMapping!==W?Ya("toneMapping",n.toneMapping):"",n.dithering?"#define DITHERING":"",n.opaque?"#define OPAQUE":"",ss.encodings_pars_fragment,qa("linearToOutputTexel",n.outputColorSpace),n.useDepthPacking?"#define DEPTH_PACKING "+n.depthPacking:"","\n"].filter(Za).join("\n")),c=Qa(c),c=Ja(c,n),c=Ka(c,n),h=Qa(h),h=Ja(h,n),h=Ka(h,n),c=no(c),h=no(h),n.isWebGL2&&!0!==n.isRawShaderMaterial&&(M="#version 300 es\n",y=["precision mediump sampler2DArray;","#define attribute in","#define varying out","#define texture2D texture"].join("\n")+"\n"+y,x=["#define varying in",n.glslVersion===Oe?"":"layout(location = 0) out highp vec4 pc_fragColor;",n.glslVersion===Oe?"":"#define gl_FragColor pc_fragColor","#define gl_FragDepthEXT gl_FragDepth","#define texture2D texture","#define textureCube texture","#define texture2DProj textureProj","#define texture2DLodEXT textureLod","#define texture2DProjLodEXT textureProjLod","#define textureCubeLodEXT textureLod","#define texture2DGradEXT textureGrad","#define texture2DProjGradEXT textureProjGrad","#define textureCubeGradEXT textureGrad"].join("\n")+"\n"+x);const S=M+y+c,b=M+x+h,E=Wa(r,r.VERTEX_SHADER,S),T=Wa(r,r.FRAGMENT_SHADER,b);if(r.attachShader(_,E),r.attachShader(_,T),void 0!==n.index0AttributeName?r.bindAttribLocation(_,0,n.index0AttributeName):!0===n.morphTargets&&r.bindAttribLocation(_,0,"position"),r.linkProgram(_),t.debug.checkShaderErrors){const e=r.getProgramInfoLog(_).trim(),n=r.getShaderInfoLog(E).trim(),i=r.getShaderInfoLog(T).trim();let s=!0,a=!0;if(!1===r.getProgramParameter(_,r.LINK_STATUS))if(s=!1,"function"==typeof t.debug.onShaderError)t.debug.onShaderError(r,_,E,T);else{const t=ja(r,E,"vertex"),n=ja(r,T,"fragment");console.error("THREE.WebGLProgram: Shader Error "+r.getError()+" - VALIDATE_STATUS "+r.getProgramParameter(_,r.VALIDATE_STATUS)+"\n\nProgram Info Log: "+e+"\n"+t+"\n"+n)}else""!==e?console.warn("THREE.WebGLProgram: Program Info Log:",e):""!==n&&""!==i||(a=!1);a&&(this.diagnostics={runnable:s,programLog:e,vertexShader:{log:n,prefix:y},fragmentShader:{log:i,prefix:x}})}let w,A;return r.deleteShader(E),r.deleteShader(T),this.getUniforms=function(){return void 0===w&&(w=new Va(r,_)),w},this.getAttributes=function(){return void 0===A&&(A=function(t,e){const n={},i=t.getProgramParameter(e,t.ACTIVE_ATTRIBUTES);for(let r=0;r<i;r++){const i=t.getActiveAttrib(e,r),s=i.name;let a=1;i.type===t.FLOAT_MAT2&&(a=2),i.type===t.FLOAT_MAT3&&(a=3),i.type===t.FLOAT_MAT4&&(a=4),n[s]={type:i.type,location:t.getAttribLocation(e,s),locationSize:a}}return n}(r,_)),A},this.destroy=function(){i.releaseStatesOfProgram(this),r.deleteProgram(_),this.program=void 0},this.type=n.shaderType,this.name=n.shaderName,this.id=Xa++,this.cacheKey=e,this.usedTimes=1,this.program=_,this.vertexShader=E,this.fragmentShader=T,this}let ao=0;class oo{constructor(){this.shaderCache=new Map,this.materialCache=new Map}update(t){const e=t.vertexShader,n=t.fragmentShader,i=this._getShaderStage(e),r=this._getShaderStage(n),s=this._getShaderCacheForMaterial(t);return!1===s.has(i)&&(s.add(i),i.usedTimes++),!1===s.has(r)&&(s.add(r),r.usedTimes++),this}remove(t){const e=this.materialCache.get(t);for(const t of e)t.usedTimes--,0===t.usedTimes&&this.shaderCache.delete(t.code);return this.materialCache.delete(t),this}getVertexShaderID(t){return this._getShaderStage(t.vertexShader).id}getFragmentShaderID(t){return this._getShaderStage(t.fragmentShader).id}dispose(){this.shaderCache.clear(),this.materialCache.clear()}_getShaderCacheForMaterial(t){const e=this.materialCache;let n=e.get(t);return void 0===n&&(n=new Set,e.set(t,n)),n}_getShaderStage(t){const e=this.shaderCache;let n=e.get(t);return void 0===n&&(n=new lo(t),e.set(t,n)),n}}class lo{constructor(t){this.id=ao++,this.code=t,this.usedTimes=0}}function co(t,e,n,i,r,s,a){const o=new vi,l=new oo,u=[],p=r.isWebGL2,m=r.logarithmicDepthBuffer,f=r.vertexTextures;let g=r.precision;const v={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"toon",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"};function _(t){return 0===t?"uv":`uv${t}`}return{getParameters:function(s,o,u,y,x){const M=y.fog,S=x.geometry,b=s.isMeshStandardMaterial?y.environment:null,E=(s.isMeshStandardMaterial?n:e).get(s.envMap||b),T=E&&E.mapping===et?E.image.height:null,w=v[s.type];null!==s.precision&&(g=r.getMaxPrecision(s.precision),g!==s.precision&&console.warn("THREE.WebGLProgram.getParameters:",s.precision,"not supported, using",g,"instead."));const A=S.morphAttributes.position||S.morphAttributes.normal||S.morphAttributes.color,R=void 0!==A?A.length:0;let C,L,P,I,U=0;if(void 0!==S.morphAttributes.position&&(U=1),void 0!==S.morphAttributes.normal&&(U=2),void 0!==S.morphAttributes.color&&(U=3),w){const t=os[w];C=t.vertexShader,L=t.fragmentShader}else C=s.vertexShader,L=s.fragmentShader,l.update(s),P=l.getVertexShaderID(s),I=l.getFragmentShaderID(s);const D=t.getRenderTarget(),N=!0===x.isInstancedMesh,O=!!s.map,F=!!s.matcap,B=!!E,z=!!s.aoMap,G=!!s.lightMap,H=!!s.bumpMap,k=!!s.normalMap,V=!!s.displacementMap,X=!!s.emissiveMap,j=!!s.metalnessMap,q=!!s.roughnessMap,Y=s.anisotropy>0,Z=s.clearcoat>0,J=s.iridescence>0,K=s.sheen>0,$=s.transmission>0,Q=Y&&!!s.anisotropyMap,tt=Z&&!!s.clearcoatMap,nt=Z&&!!s.clearcoatNormalMap,it=Z&&!!s.clearcoatRoughnessMap,rt=J&&!!s.iridescenceMap,st=J&&!!s.iridescenceThicknessMap,at=K&&!!s.sheenColorMap,ot=K&&!!s.sheenRoughnessMap,lt=!!s.specularMap,ct=!!s.specularColorMap,ht=!!s.specularIntensityMap,ut=$&&!!s.transmissionMap,dt=$&&!!s.thicknessMap,pt=!!s.gradientMap,mt=!!s.alphaMap,ft=s.alphaTest>0,gt=!!s.extensions,vt=!!S.attributes.uv1,_t=!!S.attributes.uv2,yt=!!S.attributes.uv3;return{isWebGL2:p,shaderID:w,shaderType:s.type,shaderName:s.name,vertexShader:C,fragmentShader:L,defines:s.defines,customVertexShaderID:P,customFragmentShaderID:I,isRawShaderMaterial:!0===s.isRawShaderMaterial,glslVersion:s.glslVersion,precision:g,instancing:N,instancingColor:N&&null!==x.instanceColor,supportsVertexTextures:f,outputColorSpace:null===D?t.outputColorSpace:!0===D.isXRRenderTarget?D.texture.colorSpace:Ee,map:O,matcap:F,envMap:B,envMapMode:B&&E.mapping,envMapCubeUVHeight:T,aoMap:z,lightMap:G,bumpMap:H,normalMap:k,displacementMap:f&&V,emissiveMap:X,normalMapObjectSpace:k&&s.normalMapType===Me,normalMapTangentSpace:k&&s.normalMapType===xe,metalnessMap:j,roughnessMap:q,anisotropy:Y,anisotropyMap:Q,clearcoat:Z,clearcoatMap:tt,clearcoatNormalMap:nt,clearcoatRoughnessMap:it,iridescence:J,iridescenceMap:rt,iridescenceThicknessMap:st,sheen:K,sheenColorMap:at,sheenRoughnessMap:ot,specularMap:lt,specularColorMap:ct,specularIntensityMap:ht,transmission:$,transmissionMap:ut,thicknessMap:dt,gradientMap:pt,opaque:!1===s.transparent&&s.blending===d,alphaMap:mt,alphaTest:ft,combine:s.combine,mapUv:O&&_(s.map.channel),aoMapUv:z&&_(s.aoMap.channel),lightMapUv:G&&_(s.lightMap.channel),bumpMapUv:H&&_(s.bumpMap.channel),normalMapUv:k&&_(s.normalMap.channel),displacementMapUv:V&&_(s.displacementMap.channel),emissiveMapUv:X&&_(s.emissiveMap.channel),metalnessMapUv:j&&_(s.metalnessMap.channel),roughnessMapUv:q&&_(s.roughnessMap.channel),anisotropyMapUv:Q&&_(s.anisotropyMap.channel),clearcoatMapUv:tt&&_(s.clearcoatMap.channel),clearcoatNormalMapUv:nt&&_(s.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:it&&_(s.clearcoatRoughnessMap.channel),iridescenceMapUv:rt&&_(s.iridescenceMap.channel),iridescenceThicknessMapUv:st&&_(s.iridescenceThicknessMap.channel),sheenColorMapUv:at&&_(s.sheenColorMap.channel),sheenRoughnessMapUv:ot&&_(s.sheenRoughnessMap.channel),specularMapUv:lt&&_(s.specularMap.channel),specularColorMapUv:ct&&_(s.specularColorMap.channel),specularIntensityMapUv:ht&&_(s.specularIntensityMap.channel),transmissionMapUv:ut&&_(s.transmissionMap.channel),thicknessMapUv:dt&&_(s.thicknessMap.channel),alphaMapUv:mt&&_(s.alphaMap.channel),vertexTangents:!!S.attributes.tangent&&(k||Y),vertexColors:s.vertexColors,vertexAlphas:!0===s.vertexColors&&!!S.attributes.color&&4===S.attributes.color.itemSize,vertexUv1s:vt,vertexUv2s:_t,vertexUv3s:yt,pointsUvs:!0===x.isPoints&&!!S.attributes.uv&&(O||mt),fog:!!M,useFog:!0===s.fog,fogExp2:M&&M.isFogExp2,flatShading:!0===s.flatShading,sizeAttenuation:!0===s.sizeAttenuation,logarithmicDepthBuffer:m,skinning:!0===x.isSkinnedMesh,morphTargets:void 0!==S.morphAttributes.position,morphNormals:void 0!==S.morphAttributes.normal,morphColors:void 0!==S.morphAttributes.color,morphTargetsCount:R,morphTextureStride:U,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numSpotLightMaps:o.spotLightMap.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numSpotLightShadowsWithMaps:o.numSpotLightShadowsWithMaps,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:s.dithering,shadowMapEnabled:t.shadowMap.enabled&&u.length>0,shadowMapType:t.shadowMap.type,toneMapping:s.toneMapped?t.toneMapping:W,useLegacyLights:t.useLegacyLights,premultipliedAlpha:s.premultipliedAlpha,doubleSided:s.side===h,flipSided:s.side===c,useDepthPacking:s.depthPacking>=0,depthPacking:s.depthPacking||0,index0AttributeName:s.index0AttributeName,extensionDerivatives:gt&&!0===s.extensions.derivatives,extensionFragDepth:gt&&!0===s.extensions.fragDepth,extensionDrawBuffers:gt&&!0===s.extensions.drawBuffers,extensionShaderTextureLOD:gt&&!0===s.extensions.shaderTextureLOD,rendererExtensionFragDepth:p||i.has("EXT_frag_depth"),rendererExtensionDrawBuffers:p||i.has("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:p||i.has("EXT_shader_texture_lod"),customProgramCacheKey:s.customProgramCacheKey()}},getProgramCacheKey:function(e){const n=[];if(e.shaderID?n.push(e.shaderID):(n.push(e.customVertexShaderID),n.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)n.push(t),n.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputColorSpace),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.mapUv),t.push(e.alphaMapUv),t.push(e.lightMapUv),t.push(e.aoMapUv),t.push(e.bumpMapUv),t.push(e.normalMapUv),t.push(e.displacementMapUv),t.push(e.emissiveMapUv),t.push(e.metalnessMapUv),t.push(e.roughnessMapUv),t.push(e.anisotropyMapUv),t.push(e.clearcoatMapUv),t.push(e.clearcoatNormalMapUv),t.push(e.clearcoatRoughnessMapUv),t.push(e.iridescenceMapUv),t.push(e.iridescenceThicknessMapUv),t.push(e.sheenColorMapUv),t.push(e.sheenRoughnessMapUv),t.push(e.specularMapUv),t.push(e.specularColorMapUv),t.push(e.specularIntensityMapUv),t.push(e.transmissionMapUv),t.push(e.thicknessMapUv),t.push(e.combine),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numSpotLightMaps),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.numSpotLightShadowsWithMaps),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection),t.push(e.depthPacking)}(n,e),function(t,e){o.disableAll(),e.isWebGL2&&o.enable(0);e.supportsVertexTextures&&o.enable(1);e.instancing&&o.enable(2);e.instancingColor&&o.enable(3);e.matcap&&o.enable(4);e.envMap&&o.enable(5);e.normalMapObjectSpace&&o.enable(6);e.normalMapTangentSpace&&o.enable(7);e.clearcoat&&o.enable(8);e.iridescence&&o.enable(9);e.alphaTest&&o.enable(10);e.vertexColors&&o.enable(11);e.vertexAlphas&&o.enable(12);e.vertexUv1s&&o.enable(13);e.vertexUv2s&&o.enable(14);e.vertexUv3s&&o.enable(15);e.vertexTangents&&o.enable(16);e.anisotropy&&o.enable(17);t.push(o.mask),o.disableAll(),e.fog&&o.enable(0);e.useFog&&o.enable(1);e.flatShading&&o.enable(2);e.logarithmicDepthBuffer&&o.enable(3);e.skinning&&o.enable(4);e.morphTargets&&o.enable(5);e.morphNormals&&o.enable(6);e.morphColors&&o.enable(7);e.premultipliedAlpha&&o.enable(8);e.shadowMapEnabled&&o.enable(9);e.useLegacyLights&&o.enable(10);e.doubleSided&&o.enable(11);e.flipSided&&o.enable(12);e.useDepthPacking&&o.enable(13);e.dithering&&o.enable(14);e.transmission&&o.enable(15);e.sheen&&o.enable(16);e.opaque&&o.enable(17);e.pointsUvs&&o.enable(18);t.push(o.mask)}(n,e),n.push(t.outputColorSpace)),n.push(e.customProgramCacheKey),n.join()},getUniforms:function(t){const e=v[t.type];let n;if(e){const t=os[e];n=Hr.clone(t.uniforms)}else n=t.uniforms;return n},acquireProgram:function(e,n){let i;for(let t=0,e=u.length;t<e;t++){const e=u[t];if(e.cacheKey===n){i=e,++i.usedTimes;break}}return void 0===i&&(i=new so(t,n,e,s),u.push(i)),i},releaseProgram:function(t){if(0==--t.usedTimes){const e=u.indexOf(t);u[e]=u[u.length-1],u.pop(),t.destroy()}},releaseShaderCache:function(t){l.remove(t)},programs:u,dispose:function(){l.dispose()}}}function ho(){let t=new WeakMap;return{get:function(e){let n=t.get(e);return void 0===n&&(n={},t.set(e,n)),n},remove:function(e){t.delete(e)},update:function(e,n,i){t.get(e)[n]=i},dispose:function(){t=new WeakMap}}}function uo(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.material.id!==e.material.id?t.material.id-e.material.id:t.z!==e.z?t.z-e.z:t.id-e.id}function po(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.z!==e.z?e.z-t.z:t.id-e.id}function mo(){const t=[];let e=0;const n=[],i=[],r=[];function s(n,i,r,s,a,o){let l=t[e];return void 0===l?(l={id:n.id,object:n,geometry:i,material:r,groupOrder:s,renderOrder:n.renderOrder,z:a,group:o},t[e]=l):(l.id=n.id,l.object=n,l.geometry=i,l.material=r,l.groupOrder=s,l.renderOrder=n.renderOrder,l.z=a,l.group=o),e++,l}return{opaque:n,transmissive:i,transparent:r,init:function(){e=0,n.length=0,i.length=0,r.length=0},push:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?i.push(h):!0===a.transparent?r.push(h):n.push(h)},unshift:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?i.unshift(h):!0===a.transparent?r.unshift(h):n.unshift(h)},finish:function(){for(let n=e,i=t.length;n<i;n++){const e=t[n];if(null===e.id)break;e.id=null,e.object=null,e.geometry=null,e.material=null,e.group=null}},sort:function(t,e){n.length>1&&n.sort(t||uo),i.length>1&&i.sort(e||po),r.length>1&&r.sort(e||po)}}}function fo(){let t=new WeakMap;return{get:function(e,n){const i=t.get(e);let r;return void 0===i?(r=new mo,t.set(e,[r])):n>=i.length?(r=new mo,i.push(r)):r=i[n],r},dispose:function(){t=new WeakMap}}}function go(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new Ln,color:new Ji};break;case"SpotLight":n={position:new Ln,direction:new Ln,color:new Ji,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Ln,color:new Ji,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Ln,skyColor:new Ji,groundColor:new Ji};break;case"RectAreaLight":n={color:new Ji,position:new Ln,halfWidth:new Ln,halfHeight:new Ln}}return t[e.id]=n,n}}}let vo=0;function _o(t,e){return(e.castShadow?2:0)-(t.castShadow?2:0)+(e.map?1:0)-(t.map?1:0)}function yo(t,e){const n=new go,i=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new en};break;case"PointLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new en,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),r={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-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};for(let t=0;t<9;t++)r.probe.push(new Ln);const s=new Ln,a=new ai,o=new ai;return{setup:function(s,a){let o=0,l=0,c=0;for(let t=0;t<9;t++)r.probe[t].set(0,0,0);let h=0,u=0,d=0,p=0,m=0,f=0,g=0,v=0,_=0,y=0;s.sort(_o);const x=!0===a?Math.PI:1;for(let t=0,e=s.length;t<e;t++){const e=s[t],a=e.color,M=e.intensity,S=e.distance,b=e.shadow&&e.shadow.map?e.shadow.map.texture:null;if(e.isAmbientLight)o+=a.r*M*x,l+=a.g*M*x,c+=a.b*M*x;else if(e.isLightProbe)for(let t=0;t<9;t++)r.probe[t].addScaledVector(e.sh.coefficients[t],M);else if(e.isDirectionalLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*x),e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,r.directionalShadow[h]=n,r.directionalShadowMap[h]=b,r.directionalShadowMatrix[h]=e.shadow.matrix,f++}r.directional[h]=t,h++}else if(e.isSpotLight){const t=n.get(e);t.position.setFromMatrixPosition(e.matrixWorld),t.color.copy(a).multiplyScalar(M*x),t.distance=S,t.coneCos=Math.cos(e.angle),t.penumbraCos=Math.cos(e.angle*(1-e.penumbra)),t.decay=e.decay,r.spot[d]=t;const s=e.shadow;if(e.map&&(r.spotLightMap[_]=e.map,_++,s.updateMatrices(e),e.castShadow&&y++),r.spotLightMatrix[d]=s.matrix,e.castShadow){const t=i.get(e);t.shadowBias=s.bias,t.shadowNormalBias=s.normalBias,t.shadowRadius=s.radius,t.shadowMapSize=s.mapSize,r.spotShadow[d]=t,r.spotShadowMap[d]=b,v++}d++}else if(e.isRectAreaLight){const t=n.get(e);t.color.copy(a).multiplyScalar(M),t.halfWidth.set(.5*e.width,0,0),t.halfHeight.set(0,.5*e.height,0),r.rectArea[p]=t,p++}else if(e.isPointLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*x),t.distance=e.distance,t.decay=e.decay,e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,n.shadowCameraNear=t.camera.near,n.shadowCameraFar=t.camera.far,r.pointShadow[u]=n,r.pointShadowMap[u]=b,r.pointShadowMatrix[u]=e.shadow.matrix,g++}r.point[u]=t,u++}else if(e.isHemisphereLight){const t=n.get(e);t.skyColor.copy(e.color).multiplyScalar(M*x),t.groundColor.copy(e.groundColor).multiplyScalar(M*x),r.hemi[m]=t,m++}}p>0&&(e.isWebGL2||!0===t.has("OES_texture_float_linear")?(r.rectAreaLTC1=as.LTC_FLOAT_1,r.rectAreaLTC2=as.LTC_FLOAT_2):!0===t.has("OES_texture_half_float_linear")?(r.rectAreaLTC1=as.LTC_HALF_1,r.rectAreaLTC2=as.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),r.ambient[0]=o,r.ambient[1]=l,r.ambient[2]=c;const M=r.hash;M.directionalLength===h&&M.pointLength===u&&M.spotLength===d&&M.rectAreaLength===p&&M.hemiLength===m&&M.numDirectionalShadows===f&&M.numPointShadows===g&&M.numSpotShadows===v&&M.numSpotMaps===_||(r.directional.length=h,r.spot.length=d,r.rectArea.length=p,r.point.length=u,r.hemi.length=m,r.directionalShadow.length=f,r.directionalShadowMap.length=f,r.pointShadow.length=g,r.pointShadowMap.length=g,r.spotShadow.length=v,r.spotShadowMap.length=v,r.directionalShadowMatrix.length=f,r.pointShadowMatrix.length=g,r.spotLightMatrix.length=v+_-y,r.spotLightMap.length=_,r.numSpotLightShadowsWithMaps=y,M.directionalLength=h,M.pointLength=u,M.spotLength=d,M.rectAreaLength=p,M.hemiLength=m,M.numDirectionalShadows=f,M.numPointShadows=g,M.numSpotShadows=v,M.numSpotMaps=_,r.version=vo++)},setupView:function(t,e){let n=0,i=0,l=0,c=0,h=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e<d;e++){const d=t[e];if(d.isDirectionalLight){const t=r.directional[n];t.direction.setFromMatrixPosition(d.matrixWorld),s.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(s),t.direction.transformDirection(u),n++}else if(d.isSpotLight){const t=r.spot[l];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),t.direction.setFromMatrixPosition(d.matrixWorld),s.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(s),t.direction.transformDirection(u),l++}else if(d.isRectAreaLight){const t=r.rectArea[c];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),o.identity(),a.copy(d.matrixWorld),a.premultiply(u),o.extractRotation(a),t.halfWidth.set(.5*d.width,0,0),t.halfHeight.set(0,.5*d.height,0),t.halfWidth.applyMatrix4(o),t.halfHeight.applyMatrix4(o),c++}else if(d.isPointLight){const t=r.point[i];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),i++}else if(d.isHemisphereLight){const t=r.hemi[h];t.direction.setFromMatrixPosition(d.matrixWorld),t.direction.transformDirection(u),h++}}},state:r}}function xo(t,e){const n=new yo(t,e),i=[],r=[];return{init:function(){i.length=0,r.length=0},state:{lightsArray:i,shadowsArray:r,lights:n},setupLights:function(t){n.setup(i,t)},setupLightsView:function(t){n.setupView(i,t)},pushLight:function(t){i.push(t)},pushShadow:function(t){r.push(t)}}}function Mo(t,e){let n=new WeakMap;return{get:function(i,r=0){const s=n.get(i);let a;return void 0===s?(a=new xo(t,e),n.set(i,[a])):r>=s.length?(a=new xo(t,e),s.push(a)):a=s[r],a},dispose:function(){n=new WeakMap}}}class So extends Xi{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 bo extends Xi{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}}function Eo(t,e,n){let i=new es;const r=new en,a=new en,d=new Tn,p=new So({depthPacking:ye}),m=new bo,f={},g=n.maxTextureSize,v={[l]:c,[c]:l,[h]:h},_=new kr({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new en},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),y=_.clone();y.defines.HORIZONTAL_PASS=1;const x=new vr;x.setAttribute("position",new ar(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const M=new Nr(x,_),S=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=s;let b=this.type;function E(n,i){const s=e.update(M);_.defines.VSM_SAMPLES!==n.blurSamples&&(_.defines.VSM_SAMPLES=n.blurSamples,y.defines.VSM_SAMPLES=n.blurSamples,_.needsUpdate=!0,y.needsUpdate=!0),null===n.mapPass&&(n.mapPass=new wn(r.x,r.y)),_.uniforms.shadow_pass.value=n.map.texture,_.uniforms.resolution.value=n.mapSize,_.uniforms.radius.value=n.radius,t.setRenderTarget(n.mapPass),t.clear(),t.renderBufferDirect(i,null,s,_,M,null),y.uniforms.shadow_pass.value=n.mapPass.texture,y.uniforms.resolution.value=n.mapSize,y.uniforms.radius.value=n.radius,t.setRenderTarget(n.map),t.clear(),t.renderBufferDirect(i,null,s,y,M,null)}function T(e,n,i,r){let s=null;const a=!0===i.isPointLight?e.customDistanceMaterial:e.customDepthMaterial;if(void 0!==a)s=a;else if(s=!0===i.isPointLight?m:p,t.localClippingEnabled&&!0===n.clipShadows&&Array.isArray(n.clippingPlanes)&&0!==n.clippingPlanes.length||n.displacementMap&&0!==n.displacementScale||n.alphaMap&&n.alphaTest>0||n.map&&n.alphaTest>0){const t=s.uuid,e=n.uuid;let i=f[t];void 0===i&&(i={},f[t]=i);let r=i[e];void 0===r&&(r=s.clone(),i[e]=r),s=r}if(s.visible=n.visible,s.wireframe=n.wireframe,s.side=r===o?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:v[n.side],s.alphaMap=n.alphaMap,s.alphaTest=n.alphaTest,s.map=n.map,s.clipShadows=n.clipShadows,s.clippingPlanes=n.clippingPlanes,s.clipIntersection=n.clipIntersection,s.displacementMap=n.displacementMap,s.displacementScale=n.displacementScale,s.displacementBias=n.displacementBias,s.wireframeLinewidth=n.wireframeLinewidth,s.linewidth=n.linewidth,!0===i.isPointLight&&!0===s.isMeshDistanceMaterial){t.properties.get(s).light=i}return s}function w(n,r,s,a,l){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&l===o)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(s.matrixWorldInverse,n.matrixWorld);const i=e.update(n),r=n.material;if(Array.isArray(r)){const e=i.groups;for(let o=0,c=e.length;o<c;o++){const c=e[o],h=r[c.materialIndex];if(h&&h.visible){const e=T(n,h,a,l);t.renderBufferDirect(s,null,i,e,n,c)}}}else if(r.visible){const e=T(n,r,a,l);t.renderBufferDirect(s,null,i,e,n,null)}}const c=n.children;for(let t=0,e=c.length;t<e;t++)w(c[t],r,s,a,l)}this.render=function(e,n,s){if(!1===S.enabled)return;if(!1===S.autoUpdate&&!1===S.needsUpdate)return;if(0===e.length)return;const l=t.getRenderTarget(),c=t.getActiveCubeFace(),h=t.getActiveMipmapLevel(),p=t.state;p.setBlending(u),p.buffers.color.setClear(1,1,1,1),p.buffers.depth.setTest(!0),p.setScissorTest(!1);const m=b!==o&&this.type===o,f=b===o&&this.type!==o;for(let l=0,c=e.length;l<c;l++){const c=e[l],h=c.shadow;if(void 0===h){console.warn("THREE.WebGLShadowMap:",c,"has no shadow.");continue}if(!1===h.autoUpdate&&!1===h.needsUpdate)continue;r.copy(h.mapSize);const u=h.getFrameExtents();if(r.multiply(u),a.copy(h.mapSize),(r.x>g||r.y>g)&&(r.x>g&&(a.x=Math.floor(g/u.x),r.x=a.x*u.x,h.mapSize.x=a.x),r.y>g&&(a.y=Math.floor(g/u.y),r.y=a.y*u.y,h.mapSize.y=a.y)),null===h.map||!0===m||!0===f){const t=this.type!==o?{minFilter:st,magFilter:st}:{};null!==h.map&&h.map.dispose(),h.map=new wn(r.x,r.y,t),h.map.texture.name=c.name+".shadowMap",h.camera.updateProjectionMatrix()}t.setRenderTarget(h.map),t.clear();const v=h.getViewportCount();for(let t=0;t<v;t++){const e=h.getViewport(t);d.set(a.x*e.x,a.y*e.y,a.x*e.z,a.y*e.w),p.viewport(d),h.updateMatrices(c,t),i=h.getFrustum(),w(n,s,h.camera,c,this.type)}!0!==h.isPointLightShadow&&this.type===o&&E(h,s),h.needsUpdate=!1}b=this.type,S.needsUpdate=!1,t.setRenderTarget(l,c,h)}}function To(t,e,s){const a=s.isWebGL2;const o=new function(){let e=!1;const n=new Tn;let i=null;const r=new Tn(0,0,0,0);return{setMask:function(n){i===n||e||(t.colorMask(n,n,n,n),i=n)},setLocked:function(t){e=t},setClear:function(e,i,s,a,o){!0===o&&(e*=a,i*=a,s*=a),n.set(e,i,s,a),!1===r.equals(n)&&(t.clearColor(e,i,s,a),r.copy(n))},reset:function(){e=!1,i=null,r.set(-1,0,0,0)}}},l=new function(){let e=!1,n=null,i=null,r=null;return{setTest:function(e){e?Mt(t.DEPTH_TEST):St(t.DEPTH_TEST)},setMask:function(i){n===i||e||(t.depthMask(i),n=i)},setFunc:function(e){if(i!==e){switch(e){case U:t.depthFunc(t.NEVER);break;case D:t.depthFunc(t.ALWAYS);break;case N:t.depthFunc(t.LESS);break;case O:t.depthFunc(t.LEQUAL);break;case F:t.depthFunc(t.EQUAL);break;case B:t.depthFunc(t.GEQUAL);break;case z:t.depthFunc(t.GREATER);break;case G:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}i=e}},setLocked:function(t){e=t},setClear:function(e){r!==e&&(t.clearDepth(e),r=e)},reset:function(){e=!1,n=null,i=null,r=null}}},H=new function(){let e=!1,n=null,i=null,r=null,s=null,a=null,o=null,l=null,c=null;return{setTest:function(n){e||(n?Mt(t.STENCIL_TEST):St(t.STENCIL_TEST))},setMask:function(i){n===i||e||(t.stencilMask(i),n=i)},setFunc:function(e,n,a){i===e&&r===n&&s===a||(t.stencilFunc(e,n,a),i=e,r=n,s=a)},setOp:function(e,n,i){a===e&&o===n&&l===i||(t.stencilOp(e,n,i),a=e,o=n,l=i)},setLocked:function(t){e=t},setClear:function(e){c!==e&&(t.clearStencil(e),c=e)},reset:function(){e=!1,n=null,i=null,r=null,s=null,a=null,o=null,l=null,c=null}}},k=new WeakMap,V=new WeakMap;let W={},X={},j=new WeakMap,q=[],Y=null,Z=!1,J=null,K=null,$=null,Q=null,tt=null,et=null,nt=null,it=!1,rt=null,st=null,at=null,ot=null,lt=null;const ct=t.getParameter(t.MAX_COMBINED_TEXTURE_IMAGE_UNITS);let ht=!1,ut=0;const dt=t.getParameter(t.VERSION);-1!==dt.indexOf("WebGL")?(ut=parseFloat(/^WebGL (\d)/.exec(dt)[1]),ht=ut>=1):-1!==dt.indexOf("OpenGL ES")&&(ut=parseFloat(/^OpenGL ES (\d)/.exec(dt)[1]),ht=ut>=2);let pt=null,mt={};const ft=t.getParameter(t.SCISSOR_BOX),gt=t.getParameter(t.VIEWPORT),vt=(new Tn).fromArray(ft),_t=(new Tn).fromArray(gt);function yt(e,n,i,r){const s=new Uint8Array(4),o=t.createTexture();t.bindTexture(e,o),t.texParameteri(e,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(e,t.TEXTURE_MAG_FILTER,t.NEAREST);for(let o=0;o<i;o++)!a||e!==t.TEXTURE_3D&&e!==t.TEXTURE_2D_ARRAY?t.texImage2D(n+o,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,s):t.texImage3D(n,0,t.RGBA,1,1,r,0,t.RGBA,t.UNSIGNED_BYTE,s);return o}const xt={};function Mt(e){!0!==W[e]&&(t.enable(e),W[e]=!0)}function St(e){!1!==W[e]&&(t.disable(e),W[e]=!1)}xt[t.TEXTURE_2D]=yt(t.TEXTURE_2D,t.TEXTURE_2D,1),xt[t.TEXTURE_CUBE_MAP]=yt(t.TEXTURE_CUBE_MAP,t.TEXTURE_CUBE_MAP_POSITIVE_X,6),a&&(xt[t.TEXTURE_2D_ARRAY]=yt(t.TEXTURE_2D_ARRAY,t.TEXTURE_2D_ARRAY,1,1),xt[t.TEXTURE_3D]=yt(t.TEXTURE_3D,t.TEXTURE_3D,1,1)),o.setClear(0,0,0,1),l.setClear(1),H.setClear(0),Mt(t.DEPTH_TEST),l.setFunc(O),wt(!1),At(i),Mt(t.CULL_FACE),Tt(u);const bt={[v]:t.FUNC_ADD,[_]:t.FUNC_SUBTRACT,[y]:t.FUNC_REVERSE_SUBTRACT};if(a)bt[x]=t.MIN,bt[M]=t.MAX;else{const t=e.get("EXT_blend_minmax");null!==t&&(bt[x]=t.MIN_EXT,bt[M]=t.MAX_EXT)}const Et={[S]:t.ZERO,[b]:t.ONE,[E]:t.SRC_COLOR,[w]:t.SRC_ALPHA,[I]:t.SRC_ALPHA_SATURATE,[L]:t.DST_COLOR,[R]:t.DST_ALPHA,[T]:t.ONE_MINUS_SRC_COLOR,[A]:t.ONE_MINUS_SRC_ALPHA,[P]:t.ONE_MINUS_DST_COLOR,[C]:t.ONE_MINUS_DST_ALPHA};function Tt(e,n,i,r,s,a,o,l){if(e!==u){if(!1===Z&&(Mt(t.BLEND),Z=!0),e===g)s=s||n,a=a||i,o=o||r,n===K&&s===tt||(t.blendEquationSeparate(bt[n],bt[s]),K=n,tt=s),i===$&&r===Q&&a===et&&o===nt||(t.blendFuncSeparate(Et[i],Et[r],Et[a],Et[o]),$=i,Q=r,et=a,nt=o),J=e,it=!1;else if(e!==J||l!==it){if(K===v&&tt===v||(t.blendEquation(t.FUNC_ADD),K=v,tt=v),l)switch(e){case d:t.blendFuncSeparate(t.ONE,t.ONE_MINUS_SRC_ALPHA,t.ONE,t.ONE_MINUS_SRC_ALPHA);break;case p:t.blendFunc(t.ONE,t.ONE);break;case m:t.blendFuncSeparate(t.ZERO,t.ONE_MINUS_SRC_COLOR,t.ZERO,t.ONE);break;case f:t.blendFuncSeparate(t.ZERO,t.SRC_COLOR,t.ZERO,t.SRC_ALPHA);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}else switch(e){case d:t.blendFuncSeparate(t.SRC_ALPHA,t.ONE_MINUS_SRC_ALPHA,t.ONE,t.ONE_MINUS_SRC_ALPHA);break;case p:t.blendFunc(t.SRC_ALPHA,t.ONE);break;case m:t.blendFuncSeparate(t.ZERO,t.ONE_MINUS_SRC_COLOR,t.ZERO,t.ONE);break;case f:t.blendFunc(t.ZERO,t.SRC_COLOR);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}$=null,Q=null,et=null,nt=null,J=e,it=l}}else!0===Z&&(St(t.BLEND),Z=!1)}function wt(e){rt!==e&&(e?t.frontFace(t.CW):t.frontFace(t.CCW),rt=e)}function At(e){e!==n?(Mt(t.CULL_FACE),e!==st&&(e===i?t.cullFace(t.BACK):e===r?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):St(t.CULL_FACE),st=e}function Rt(e,n,i){e?(Mt(t.POLYGON_OFFSET_FILL),ot===n&&lt===i||(t.polygonOffset(n,i),ot=n,lt=i)):St(t.POLYGON_OFFSET_FILL)}return{buffers:{color:o,depth:l,stencil:H},enable:Mt,disable:St,bindFramebuffer:function(e,n){return X[e]!==n&&(t.bindFramebuffer(e,n),X[e]=n,a&&(e===t.DRAW_FRAMEBUFFER&&(X[t.FRAMEBUFFER]=n),e===t.FRAMEBUFFER&&(X[t.DRAW_FRAMEBUFFER]=n)),!0)},drawBuffers:function(n,i){let r=q,a=!1;if(n)if(r=j.get(i),void 0===r&&(r=[],j.set(i,r)),n.isWebGLMultipleRenderTargets){const e=n.texture;if(r.length!==e.length||r[0]!==t.COLOR_ATTACHMENT0){for(let n=0,i=e.length;n<i;n++)r[n]=t.COLOR_ATTACHMENT0+n;r.length=e.length,a=!0}}else r[0]!==t.COLOR_ATTACHMENT0&&(r[0]=t.COLOR_ATTACHMENT0,a=!0);else r[0]!==t.BACK&&(r[0]=t.BACK,a=!0);a&&(s.isWebGL2?t.drawBuffers(r):e.get("WEBGL_draw_buffers").drawBuffersWEBGL(r))},useProgram:function(e){return Y!==e&&(t.useProgram(e),Y=e,!0)},setBlending:Tt,setMaterial:function(e,n){e.side===h?St(t.CULL_FACE):Mt(t.CULL_FACE);let i=e.side===c;n&&(i=!i),wt(i),e.blending===d&&!1===e.transparent?Tt(u):Tt(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),l.setFunc(e.depthFunc),l.setTest(e.depthTest),l.setMask(e.depthWrite),o.setMask(e.colorWrite);const r=e.stencilWrite;H.setTest(r),r&&(H.setMask(e.stencilWriteMask),H.setFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),H.setOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),Rt(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage?Mt(t.SAMPLE_ALPHA_TO_COVERAGE):St(t.SAMPLE_ALPHA_TO_COVERAGE)},setFlipSided:wt,setCullFace:At,setLineWidth:function(e){e!==at&&(ht&&t.lineWidth(e),at=e)},setPolygonOffset:Rt,setScissorTest:function(e){e?Mt(t.SCISSOR_TEST):St(t.SCISSOR_TEST)},activeTexture:function(e){void 0===e&&(e=t.TEXTURE0+ct-1),pt!==e&&(t.activeTexture(e),pt=e)},bindTexture:function(e,n,i){void 0===i&&(i=null===pt?t.TEXTURE0+ct-1:pt);let r=mt[i];void 0===r&&(r={type:void 0,texture:void 0},mt[i]=r),r.type===e&&r.texture===n||(pt!==i&&(t.activeTexture(i),pt=i),t.bindTexture(e,n||xt[e]),r.type=e,r.texture=n)},unbindTexture:function(){const e=mt[pt];void 0!==e&&void 0!==e.type&&(t.bindTexture(e.type,null),e.type=void 0,e.texture=void 0)},compressedTexImage2D:function(){try{t.compressedTexImage2D.apply(t,arguments)}catch(t){console.error("THREE.WebGLState:",t)}},compressedTexImage3D:function(){try{t.compressedTexImage3D.apply(t,arguments)}catch(t){console.error("THREE.WebGLState:",t)}},texImage2D:function(){try{t.texImage2D.apply(t,arguments)}catch(t){console.error("THREE.WebGLState:",t)}},texImage3D:function(){try{t.texImage3D.apply(t,arguments)}catch(t){console.error("THREE.WebGLState:",t)}},updateUBOMapping:function(e,n){let i=V.get(n);void 0===i&&(i=new WeakMap,V.set(n,i));let r=i.get(e);void 0===r&&(r=t.getUniformBlockIndex(n,e.name),i.set(e,r))},uniformBlockBinding:function(e,n){const i=V.get(n).get(e);k.get(n)!==i&&(t.uniformBlockBinding(n,i,e.__bindingPointIndex),k.set(n,i))},texStorage2D:function(){try{t.texStorage2D.apply(t,arguments)}catch(t){console.error("THREE.WebGLState:",t)}},texStorage3D:function(){try{t.texStorage3D.apply(t,arguments)}catch(t){console.error("THREE.WebGLState:",t)}},texSubImage2D:function(){try{t.texSubImage2D.apply(t,arguments)}catch(t){console.error("THREE.WebGLState:",t)}},texSubImage3D:function(){try{t.texSubImage3D.apply(t,arguments)}catch(t){console.error("THREE.WebGLState:",t)}},compressedTexSubImage2D:function(){try{t.compressedTexSubImage2D.apply(t,arguments)}catch(t){console.error("THREE.WebGLState:",t)}},compressedTexSubImage3D:function(){try{t.compressedTexSubImage3D.apply(t,arguments)}catch(t){console.error("THREE.WebGLState:",t)}},scissor:function(e){!1===vt.equals(e)&&(t.scissor(e.x,e.y,e.z,e.w),vt.copy(e))},viewport:function(e){!1===_t.equals(e)&&(t.viewport(e.x,e.y,e.z,e.w),_t.copy(e))},reset:function(){t.disable(t.BLEND),t.disable(t.CULL_FACE),t.disable(t.DEPTH_TEST),t.disable(t.POLYGON_OFFSET_FILL),t.disable(t.SCISSOR_TEST),t.disable(t.STENCIL_TEST),t.disable(t.SAMPLE_ALPHA_TO_COVERAGE),t.blendEquation(t.FUNC_ADD),t.blendFunc(t.ONE,t.ZERO),t.blendFuncSeparate(t.ONE,t.ZERO,t.ONE,t.ZERO),t.colorMask(!0,!0,!0,!0),t.clearColor(0,0,0,0),t.depthMask(!0),t.depthFunc(t.LESS),t.clearDepth(1),t.stencilMask(4294967295),t.stencilFunc(t.ALWAYS,0,4294967295),t.stencilOp(t.KEEP,t.KEEP,t.KEEP),t.clearStencil(0),t.cullFace(t.BACK),t.frontFace(t.CCW),t.polygonOffset(0,0),t.activeTexture(t.TEXTURE0),t.bindFramebuffer(t.FRAMEBUFFER,null),!0===a&&(t.bindFramebuffer(t.DRAW_FRAMEBUFFER,null),t.bindFramebuffer(t.READ_FRAMEBUFFER,null)),t.useProgram(null),t.lineWidth(1),t.scissor(0,0,t.canvas.width,t.canvas.height),t.viewport(0,0,t.canvas.width,t.canvas.height),W={},pt=null,mt={},X={},j=new WeakMap,q=[],Y=null,Z=!1,J=null,K=null,$=null,Q=null,tt=null,et=null,nt=null,it=!1,rt=null,st=null,at=null,ot=null,lt=null,vt.set(0,0,t.canvas.width,t.canvas.height),_t.set(0,0,t.canvas.width,t.canvas.height),o.reset(),l.reset(),H.reset()}}}function wo(t,e,n,i,r,s,a){const o=r.isWebGL2,l=r.maxTextures,c=r.maxCubemapSize,h=r.maxTextureSize,u=r.maxSamples,d=e.has("WEBGL_multisampled_render_to_texture")?e.get("WEBGL_multisampled_render_to_texture"):null,p="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),m=new WeakMap;let f;const g=new WeakMap;let v=!1;try{v="undefined"!=typeof OffscreenCanvas&&null!==new OffscreenCanvas(1,1).getContext("2d")}catch(t){}function _(t,e){return v?new OffscreenCanvas(t,e):ln("canvas")}function y(t,e,n,i){let r=1;if((t.width>i||t.height>i)&&(r=i/Math.max(t.width,t.height)),r<1||!0===e){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const i=e?Ke:Math.floor,s=i(r*t.width),a=i(r*t.height);void 0===f&&(f=_(s,a));const o=n?_(s,a):f;o.width=s,o.height=a;return o.getContext("2d").drawImage(t,0,0,s,a),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+t.width+"x"+t.height+") to ("+s+"x"+a+")."),o}return"data"in t&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+t.width+"x"+t.height+")."),t}return t}function x(t){return Ze(t.width)&&Ze(t.height)}function M(t,e){return t.generateMipmaps&&e&&t.minFilter!==st&&t.minFilter!==lt}function S(e){t.generateMipmap(e)}function b(n,i,r,s,a=!1){if(!1===o)return i;if(null!==n){if(void 0!==t[n])return t[n];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+n+"'")}let l=i;return i===t.RED&&(r===t.FLOAT&&(l=t.R32F),r===t.HALF_FLOAT&&(l=t.R16F),r===t.UNSIGNED_BYTE&&(l=t.R8)),i===t.RG&&(r===t.FLOAT&&(l=t.RG32F),r===t.HALF_FLOAT&&(l=t.RG16F),r===t.UNSIGNED_BYTE&&(l=t.RG8)),i===t.RGBA&&(r===t.FLOAT&&(l=t.RGBA32F),r===t.HALF_FLOAT&&(l=t.RGBA16F),r===t.UNSIGNED_BYTE&&(l=s===be&&!1===a?t.SRGB8_ALPHA8:t.RGBA8),r===t.UNSIGNED_SHORT_4_4_4_4&&(l=t.RGBA4),r===t.UNSIGNED_SHORT_5_5_5_1&&(l=t.RGB5_A1)),l!==t.R16F&&l!==t.R32F&&l!==t.RG16F&&l!==t.RG32F&&l!==t.RGBA16F&&l!==t.RGBA32F||e.get("EXT_color_buffer_float"),l}function E(t,e,n){return!0===M(t,n)||t.isFramebufferTexture&&t.minFilter!==st&&t.minFilter!==lt?Math.log2(Math.max(e.width,e.height))+1:void 0!==t.mipmaps&&t.mipmaps.length>0?t.mipmaps.length:t.isCompressedTexture&&Array.isArray(t.image)?e.mipmaps.length:1}function T(e){return e===st||e===at||e===ot?t.NEAREST:t.LINEAR}function w(t){const e=t.target;e.removeEventListener("dispose",w),function(t){const e=i.get(t);if(void 0===e.__webglInit)return;const n=t.source,r=g.get(n);if(r){const i=r[e.__cacheKey];i.usedTimes--,0===i.usedTimes&&R(t),0===Object.keys(r).length&&g.delete(n)}i.remove(t)}(e),e.isVideoTexture&&m.delete(e)}function A(e){const n=e.target;n.removeEventListener("dispose",A),function(e){const n=e.texture,r=i.get(e),s=i.get(n);void 0!==s.__webglTexture&&(t.deleteTexture(s.__webglTexture),a.memory.textures--);e.depthTexture&&e.depthTexture.dispose();if(e.isWebGLCubeRenderTarget)for(let e=0;e<6;e++)t.deleteFramebuffer(r.__webglFramebuffer[e]),r.__webglDepthbuffer&&t.deleteRenderbuffer(r.__webglDepthbuffer[e]);else{if(t.deleteFramebuffer(r.__webglFramebuffer),r.__webglDepthbuffer&&t.deleteRenderbuffer(r.__webglDepthbuffer),r.__webglMultisampledFramebuffer&&t.deleteFramebuffer(r.__webglMultisampledFramebuffer),r.__webglColorRenderbuffer)for(let e=0;e<r.__webglColorRenderbuffer.length;e++)r.__webglColorRenderbuffer[e]&&t.deleteRenderbuffer(r.__webglColorRenderbuffer[e]);r.__webglDepthRenderbuffer&&t.deleteRenderbuffer(r.__webglDepthRenderbuffer)}if(e.isWebGLMultipleRenderTargets)for(let e=0,r=n.length;e<r;e++){const r=i.get(n[e]);r.__webglTexture&&(t.deleteTexture(r.__webglTexture),a.memory.textures--),i.remove(n[e])}i.remove(n),i.remove(e)}(n)}function R(e){const n=i.get(e);t.deleteTexture(n.__webglTexture);const r=e.source;delete g.get(r)[n.__cacheKey],a.memory.textures--}let C=0;function L(e,r){const s=i.get(e);if(e.isVideoTexture&&function(t){const e=a.render.frame;m.get(t)!==e&&(m.set(t,e),t.update())}(e),!1===e.isRenderTargetTexture&&e.version>0&&s.__version!==e.version){const t=e.image;if(null===t)console.warn("THREE.WebGLRenderer: Texture marked for update but no image data found.");else{if(!1!==t.complete)return void O(s,e,r);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}n.bindTexture(t.TEXTURE_2D,s.__webglTexture,t.TEXTURE0+r)}const P={[nt]:t.REPEAT,[it]:t.CLAMP_TO_EDGE,[rt]:t.MIRRORED_REPEAT},I={[st]:t.NEAREST,[at]:t.NEAREST_MIPMAP_NEAREST,[ot]:t.NEAREST_MIPMAP_LINEAR,[lt]:t.LINEAR,[ct]:t.LINEAR_MIPMAP_NEAREST,[ht]:t.LINEAR_MIPMAP_LINEAR},U={[Ae]:t.NEVER,[De]:t.ALWAYS,[Re]:t.LESS,[Le]:t.LEQUAL,[Ce]:t.EQUAL,[Ue]:t.GEQUAL,[Pe]:t.GREATER,[Ie]:t.NOTEQUAL};function D(n,s,a){if(a?(t.texParameteri(n,t.TEXTURE_WRAP_S,P[s.wrapS]),t.texParameteri(n,t.TEXTURE_WRAP_T,P[s.wrapT]),n!==t.TEXTURE_3D&&n!==t.TEXTURE_2D_ARRAY||t.texParameteri(n,t.TEXTURE_WRAP_R,P[s.wrapR]),t.texParameteri(n,t.TEXTURE_MAG_FILTER,I[s.magFilter]),t.texParameteri(n,t.TEXTURE_MIN_FILTER,I[s.minFilter])):(t.texParameteri(n,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(n,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),n!==t.TEXTURE_3D&&n!==t.TEXTURE_2D_ARRAY||t.texParameteri(n,t.TEXTURE_WRAP_R,t.CLAMP_TO_EDGE),s.wrapS===it&&s.wrapT===it||console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping."),t.texParameteri(n,t.TEXTURE_MAG_FILTER,T(s.magFilter)),t.texParameteri(n,t.TEXTURE_MIN_FILTER,T(s.minFilter)),s.minFilter!==st&&s.minFilter!==lt&&console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.")),s.compareFunction&&(t.texParameteri(n,t.TEXTURE_COMPARE_MODE,t.COMPARE_REF_TO_TEXTURE),t.texParameteri(n,t.TEXTURE_COMPARE_FUNC,U[s.compareFunction])),!0===e.has("EXT_texture_filter_anisotropic")){const a=e.get("EXT_texture_filter_anisotropic");if(s.magFilter===st)return;if(s.minFilter!==ot&&s.minFilter!==ht)return;if(s.type===vt&&!1===e.has("OES_texture_float_linear"))return;if(!1===o&&s.type===_t&&!1===e.has("OES_texture_half_float_linear"))return;(s.anisotropy>1||i.get(s).__currentAnisotropy)&&(t.texParameterf(n,a.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(s.anisotropy,r.getMaxAnisotropy())),i.get(s).__currentAnisotropy=s.anisotropy)}}function N(e,n){let i=!1;void 0===e.__webglInit&&(e.__webglInit=!0,n.addEventListener("dispose",w));const r=n.source;let s=g.get(r);void 0===s&&(s={},g.set(r,s));const o=function(t){const e=[];return e.push(t.wrapS),e.push(t.wrapT),e.push(t.wrapR||0),e.push(t.magFilter),e.push(t.minFilter),e.push(t.anisotropy),e.push(t.internalFormat),e.push(t.format),e.push(t.type),e.push(t.generateMipmaps),e.push(t.premultiplyAlpha),e.push(t.flipY),e.push(t.unpackAlignment),e.push(t.colorSpace),e.join()}(n);if(o!==e.__cacheKey){void 0===s[o]&&(s[o]={texture:t.createTexture(),usedTimes:0},a.memory.textures++,i=!0),s[o].usedTimes++;const r=s[e.__cacheKey];void 0!==r&&(s[e.__cacheKey].usedTimes--,0===r.usedTimes&&R(n)),e.__cacheKey=o,e.__webglTexture=s[o].texture}return i}function O(e,r,a){let l=t.TEXTURE_2D;(r.isDataArrayTexture||r.isCompressedArrayTexture)&&(l=t.TEXTURE_2D_ARRAY),r.isData3DTexture&&(l=t.TEXTURE_3D);const c=N(e,r),u=r.source;n.bindTexture(l,e.__webglTexture,t.TEXTURE0+a);const d=i.get(u);if(u.version!==d.__version||!0===c){n.activeTexture(t.TEXTURE0+a),t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,r.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,r.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,r.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,t.NONE);const e=function(t){return!o&&(t.wrapS!==it||t.wrapT!==it||t.minFilter!==st&&t.minFilter!==lt)}(r)&&!1===x(r.image);let i=y(r.image,e,!1,h);i=k(r,i);const p=x(i)||o,m=s.convert(r.format,r.colorSpace);let f,g=s.convert(r.type),v=b(r.internalFormat,m,g,r.colorSpace);D(l,r,p);const _=r.mipmaps,T=o&&!0!==r.isVideoTexture,w=void 0===d.__version||!0===c,A=E(r,i,p);if(r.isDepthTexture)v=t.DEPTH_COMPONENT,o?v=r.type===vt?t.DEPTH_COMPONENT32F:r.type===gt?t.DEPTH_COMPONENT24:r.type===Mt?t.DEPTH24_STENCIL8:t.DEPTH_COMPONENT16:r.type===vt&&console.error("WebGLRenderer: Floating point depth texture requires WebGL2."),r.format===wt&&v===t.DEPTH_COMPONENT&&r.type!==mt&&r.type!==gt&&(console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."),r.type=gt,g=s.convert(r.type)),r.format===At&&v===t.DEPTH_COMPONENT&&(v=t.DEPTH_STENCIL,r.type!==Mt&&(console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."),r.type=Mt,g=s.convert(r.type))),w&&(T?n.texStorage2D(t.TEXTURE_2D,1,v,i.width,i.height):n.texImage2D(t.TEXTURE_2D,0,v,i.width,i.height,0,m,g,null));else if(r.isDataTexture)if(_.length>0&&p){T&&w&&n.texStorage2D(t.TEXTURE_2D,A,v,_[0].width,_[0].height);for(let e=0,i=_.length;e<i;e++)f=_[e],T?n.texSubImage2D(t.TEXTURE_2D,e,0,0,f.width,f.height,m,g,f.data):n.texImage2D(t.TEXTURE_2D,e,v,f.width,f.height,0,m,g,f.data);r.generateMipmaps=!1}else T?(w&&n.texStorage2D(t.TEXTURE_2D,A,v,i.width,i.height),n.texSubImage2D(t.TEXTURE_2D,0,0,0,i.width,i.height,m,g,i.data)):n.texImage2D(t.TEXTURE_2D,0,v,i.width,i.height,0,m,g,i.data);else if(r.isCompressedTexture)if(r.isCompressedArrayTexture){T&&w&&n.texStorage3D(t.TEXTURE_2D_ARRAY,A,v,_[0].width,_[0].height,i.depth);for(let e=0,s=_.length;e<s;e++)f=_[e],r.format!==bt?null!==m?T?n.compressedTexSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,f.width,f.height,i.depth,m,f.data,0,0):n.compressedTexImage3D(t.TEXTURE_2D_ARRAY,e,v,f.width,f.height,i.depth,0,f.data,0,0):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):T?n.texSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,f.width,f.height,i.depth,m,g,f.data):n.texImage3D(t.TEXTURE_2D_ARRAY,e,v,f.width,f.height,i.depth,0,m,g,f.data)}else{T&&w&&n.texStorage2D(t.TEXTURE_2D,A,v,_[0].width,_[0].height);for(let e=0,i=_.length;e<i;e++)f=_[e],r.format!==bt?null!==m?T?n.compressedTexSubImage2D(t.TEXTURE_2D,e,0,0,f.width,f.height,m,f.data):n.compressedTexImage2D(t.TEXTURE_2D,e,v,f.width,f.height,0,f.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):T?n.texSubImage2D(t.TEXTURE_2D,e,0,0,f.width,f.height,m,g,f.data):n.texImage2D(t.TEXTURE_2D,e,v,f.width,f.height,0,m,g,f.data)}else if(r.isDataArrayTexture)T?(w&&n.texStorage3D(t.TEXTURE_2D_ARRAY,A,v,i.width,i.height,i.depth),n.texSubImage3D(t.TEXTURE_2D_ARRAY,0,0,0,0,i.width,i.height,i.depth,m,g,i.data)):n.texImage3D(t.TEXTURE_2D_ARRAY,0,v,i.width,i.height,i.depth,0,m,g,i.data);else if(r.isData3DTexture)T?(w&&n.texStorage3D(t.TEXTURE_3D,A,v,i.width,i.height,i.depth),n.texSubImage3D(t.TEXTURE_3D,0,0,0,0,i.width,i.height,i.depth,m,g,i.data)):n.texImage3D(t.TEXTURE_3D,0,v,i.width,i.height,i.depth,0,m,g,i.data);else if(r.isFramebufferTexture){if(w)if(T)n.texStorage2D(t.TEXTURE_2D,A,v,i.width,i.height);else{let e=i.width,r=i.height;for(let i=0;i<A;i++)n.texImage2D(t.TEXTURE_2D,i,v,e,r,0,m,g,null),e>>=1,r>>=1}}else if(_.length>0&&p){T&&w&&n.texStorage2D(t.TEXTURE_2D,A,v,_[0].width,_[0].height);for(let e=0,i=_.length;e<i;e++)f=_[e],T?n.texSubImage2D(t.TEXTURE_2D,e,0,0,m,g,f):n.texImage2D(t.TEXTURE_2D,e,v,m,g,f);r.generateMipmaps=!1}else T?(w&&n.texStorage2D(t.TEXTURE_2D,A,v,i.width,i.height),n.texSubImage2D(t.TEXTURE_2D,0,0,0,m,g,i)):n.texImage2D(t.TEXTURE_2D,0,v,m,g,i);M(r,p)&&S(l),d.__version=u.version,r.onUpdate&&r.onUpdate(r)}e.__version=r.version}function F(e,r,a,o,l){const c=s.convert(a.format,a.colorSpace),h=s.convert(a.type),u=b(a.internalFormat,c,h,a.colorSpace);i.get(r).__hasExternalTextures||(l===t.TEXTURE_3D||l===t.TEXTURE_2D_ARRAY?n.texImage3D(l,0,u,r.width,r.height,r.depth,0,c,h,null):n.texImage2D(l,0,u,r.width,r.height,0,c,h,null)),n.bindFramebuffer(t.FRAMEBUFFER,e),H(r)?d.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,l,i.get(a).__webglTexture,0,G(r)):(l===t.TEXTURE_2D||l>=t.TEXTURE_CUBE_MAP_POSITIVE_X&&l<=t.TEXTURE_CUBE_MAP_NEGATIVE_Z)&&t.framebufferTexture2D(t.FRAMEBUFFER,o,l,i.get(a).__webglTexture,0),n.bindFramebuffer(t.FRAMEBUFFER,null)}function B(e,n,i){if(t.bindRenderbuffer(t.RENDERBUFFER,e),n.depthBuffer&&!n.stencilBuffer){let r=t.DEPTH_COMPONENT16;if(i||H(n)){const e=n.depthTexture;e&&e.isDepthTexture&&(e.type===vt?r=t.DEPTH_COMPONENT32F:e.type===gt&&(r=t.DEPTH_COMPONENT24));const i=G(n);H(n)?d.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,i,r,n.width,n.height):t.renderbufferStorageMultisample(t.RENDERBUFFER,i,r,n.width,n.height)}else t.renderbufferStorage(t.RENDERBUFFER,r,n.width,n.height);t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.RENDERBUFFER,e)}else if(n.depthBuffer&&n.stencilBuffer){const r=G(n);i&&!1===H(n)?t.renderbufferStorageMultisample(t.RENDERBUFFER,r,t.DEPTH24_STENCIL8,n.width,n.height):H(n)?d.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,r,t.DEPTH24_STENCIL8,n.width,n.height):t.renderbufferStorage(t.RENDERBUFFER,t.DEPTH_STENCIL,n.width,n.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_STENCIL_ATTACHMENT,t.RENDERBUFFER,e)}else{const e=!0===n.isWebGLMultipleRenderTargets?n.texture:[n.texture];for(let r=0;r<e.length;r++){const a=e[r],o=s.convert(a.format,a.colorSpace),l=s.convert(a.type),c=b(a.internalFormat,o,l,a.colorSpace),h=G(n);i&&!1===H(n)?t.renderbufferStorageMultisample(t.RENDERBUFFER,h,c,n.width,n.height):H(n)?d.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,h,c,n.width,n.height):t.renderbufferStorage(t.RENDERBUFFER,c,n.width,n.height)}}t.bindRenderbuffer(t.RENDERBUFFER,null)}function z(e){const r=i.get(e),s=!0===e.isWebGLCubeRenderTarget;if(e.depthTexture&&!r.__autoAllocateDepthBuffer){if(s)throw new Error("target.depthTexture not supported in Cube render targets");!function(e,r){if(r&&r.isWebGLCubeRenderTarget)throw new Error("Depth Texture with cube render targets is not supported");if(n.bindFramebuffer(t.FRAMEBUFFER,e),!r.depthTexture||!r.depthTexture.isDepthTexture)throw new Error("renderTarget.depthTexture must be an instance of THREE.DepthTexture");i.get(r.depthTexture).__webglTexture&&r.depthTexture.image.width===r.width&&r.depthTexture.image.height===r.height||(r.depthTexture.image.width=r.width,r.depthTexture.image.height=r.height,r.depthTexture.needsUpdate=!0),L(r.depthTexture,0);const s=i.get(r.depthTexture).__webglTexture,a=G(r);if(r.depthTexture.format===wt)H(r)?d.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.TEXTURE_2D,s,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.TEXTURE_2D,s,0);else{if(r.depthTexture.format!==At)throw new Error("Unknown depthTexture format");H(r)?d.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.DEPTH_STENCIL_ATTACHMENT,t.TEXTURE_2D,s,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.DEPTH_STENCIL_ATTACHMENT,t.TEXTURE_2D,s,0)}}(r.__webglFramebuffer,e)}else if(s){r.__webglDepthbuffer=[];for(let i=0;i<6;i++)n.bindFramebuffer(t.FRAMEBUFFER,r.__webglFramebuffer[i]),r.__webglDepthbuffer[i]=t.createRenderbuffer(),B(r.__webglDepthbuffer[i],e,!1)}else n.bindFramebuffer(t.FRAMEBUFFER,r.__webglFramebuffer),r.__webglDepthbuffer=t.createRenderbuffer(),B(r.__webglDepthbuffer,e,!1);n.bindFramebuffer(t.FRAMEBUFFER,null)}function G(t){return Math.min(u,t.samples)}function H(t){const n=i.get(t);return o&&t.samples>0&&!0===e.has("WEBGL_multisampled_render_to_texture")&&!1!==n.__useRenderToTexture}function k(t,n){const i=t.colorSpace,r=t.format,s=t.type;return!0===t.isCompressedTexture||t.format===Fe||i!==Ee&&i!==Se&&(i===be?!1===o?!0===e.has("EXT_sRGB")&&r===bt?(t.format=Fe,t.minFilter=lt,t.generateMipmaps=!1):n=yn.sRGBToLinear(n):r===bt&&s===ut||console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."):console.error("THREE.WebGLTextures: Unsupported texture color space:",i)),n}this.allocateTextureUnit=function(){const t=C;return t>=l&&console.warn("THREE.WebGLTextures: Trying to use "+t+" texture units while this GPU supports only "+l),C+=1,t},this.resetTextureUnits=function(){C=0},this.setTexture2D=L,this.setTexture2DArray=function(e,r){const s=i.get(e);e.version>0&&s.__version!==e.version?O(s,e,r):n.bindTexture(t.TEXTURE_2D_ARRAY,s.__webglTexture,t.TEXTURE0+r)},this.setTexture3D=function(e,r){const s=i.get(e);e.version>0&&s.__version!==e.version?O(s,e,r):n.bindTexture(t.TEXTURE_3D,s.__webglTexture,t.TEXTURE0+r)},this.setTextureCube=function(e,r){const a=i.get(e);e.version>0&&a.__version!==e.version?function(e,r,a){if(6!==r.image.length)return;const l=N(e,r),h=r.source;n.bindTexture(t.TEXTURE_CUBE_MAP,e.__webglTexture,t.TEXTURE0+a);const u=i.get(h);if(h.version!==u.__version||!0===l){n.activeTexture(t.TEXTURE0+a),t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,r.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,r.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,r.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,t.NONE);const e=r.isCompressedTexture||r.image[0].isCompressedTexture,i=r.image[0]&&r.image[0].isDataTexture,d=[];for(let t=0;t<6;t++)d[t]=e||i?i?r.image[t].image:r.image[t]:y(r.image[t],!1,!0,c),d[t]=k(r,d[t]);const p=d[0],m=x(p)||o,f=s.convert(r.format,r.colorSpace),g=s.convert(r.type),v=b(r.internalFormat,f,g,r.colorSpace),_=o&&!0!==r.isVideoTexture,T=void 0===u.__version||!0===l;let w,A=E(r,p,m);if(D(t.TEXTURE_CUBE_MAP,r,m),e){_&&T&&n.texStorage2D(t.TEXTURE_CUBE_MAP,A,v,p.width,p.height);for(let e=0;e<6;e++){w=d[e].mipmaps;for(let i=0;i<w.length;i++){const s=w[i];r.format!==bt?null!==f?_?n.compressedTexSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i,0,0,s.width,s.height,f,s.data):n.compressedTexImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i,v,s.width,s.height,0,s.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()"):_?n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i,0,0,s.width,s.height,f,g,s.data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i,v,s.width,s.height,0,f,g,s.data)}}}else{w=r.mipmaps,_&&T&&(w.length>0&&A++,n.texStorage2D(t.TEXTURE_CUBE_MAP,A,v,d[0].width,d[0].height));for(let e=0;e<6;e++)if(i){_?n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,d[e].width,d[e].height,f,g,d[e].data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,v,d[e].width,d[e].height,0,f,g,d[e].data);for(let i=0;i<w.length;i++){const r=w[i].image[e].image;_?n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i+1,0,0,r.width,r.height,f,g,r.data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i+1,v,r.width,r.height,0,f,g,r.data)}}else{_?n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,f,g,d[e]):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,v,f,g,d[e]);for(let i=0;i<w.length;i++){const r=w[i];_?n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i+1,0,0,f,g,r.image[e]):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i+1,v,f,g,r.image[e])}}}M(r,m)&&S(t.TEXTURE_CUBE_MAP),u.__version=h.version,r.onUpdate&&r.onUpdate(r)}e.__version=r.version}(a,e,r):n.bindTexture(t.TEXTURE_CUBE_MAP,a.__webglTexture,t.TEXTURE0+r)},this.rebindTextures=function(e,n,r){const s=i.get(e);void 0!==n&&F(s.__webglFramebuffer,e,e.texture,t.COLOR_ATTACHMENT0,t.TEXTURE_2D),void 0!==r&&z(e)},this.setupRenderTarget=function(e){const l=e.texture,c=i.get(e),h=i.get(l);e.addEventListener("dispose",A),!0!==e.isWebGLMultipleRenderTargets&&(void 0===h.__webglTexture&&(h.__webglTexture=t.createTexture()),h.__version=l.version,a.memory.textures++);const u=!0===e.isWebGLCubeRenderTarget,d=!0===e.isWebGLMultipleRenderTargets,p=x(e)||o;if(u){c.__webglFramebuffer=[];for(let e=0;e<6;e++)c.__webglFramebuffer[e]=t.createFramebuffer()}else{if(c.__webglFramebuffer=t.createFramebuffer(),d)if(r.drawBuffers){const n=e.texture;for(let e=0,r=n.length;e<r;e++){const r=i.get(n[e]);void 0===r.__webglTexture&&(r.__webglTexture=t.createTexture(),a.memory.textures++)}}else console.warn("THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.");if(o&&e.samples>0&&!1===H(e)){const i=d?l:[l];c.__webglMultisampledFramebuffer=t.createFramebuffer(),c.__webglColorRenderbuffer=[],n.bindFramebuffer(t.FRAMEBUFFER,c.__webglMultisampledFramebuffer);for(let n=0;n<i.length;n++){const r=i[n];c.__webglColorRenderbuffer[n]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,c.__webglColorRenderbuffer[n]);const a=s.convert(r.format,r.colorSpace),o=s.convert(r.type),l=b(r.internalFormat,a,o,r.colorSpace,!0===e.isXRRenderTarget),h=G(e);t.renderbufferStorageMultisample(t.RENDERBUFFER,h,l,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+n,t.RENDERBUFFER,c.__webglColorRenderbuffer[n])}t.bindRenderbuffer(t.RENDERBUFFER,null),e.depthBuffer&&(c.__webglDepthRenderbuffer=t.createRenderbuffer(),B(c.__webglDepthRenderbuffer,e,!0)),n.bindFramebuffer(t.FRAMEBUFFER,null)}}if(u){n.bindTexture(t.TEXTURE_CUBE_MAP,h.__webglTexture),D(t.TEXTURE_CUBE_MAP,l,p);for(let n=0;n<6;n++)F(c.__webglFramebuffer[n],e,l,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+n);M(l,p)&&S(t.TEXTURE_CUBE_MAP),n.unbindTexture()}else if(d){const r=e.texture;for(let s=0,a=r.length;s<a;s++){const a=r[s],o=i.get(a);n.bindTexture(t.TEXTURE_2D,o.__webglTexture),D(t.TEXTURE_2D,a,p),F(c.__webglFramebuffer,e,a,t.COLOR_ATTACHMENT0+s,t.TEXTURE_2D),M(a,p)&&S(t.TEXTURE_2D)}n.unbindTexture()}else{let i=t.TEXTURE_2D;(e.isWebGL3DRenderTarget||e.isWebGLArrayRenderTarget)&&(o?i=e.isWebGL3DRenderTarget?t.TEXTURE_3D:t.TEXTURE_2D_ARRAY:console.error("THREE.WebGLTextures: THREE.Data3DTexture and THREE.DataArrayTexture only supported with WebGL2.")),n.bindTexture(i,h.__webglTexture),D(i,l,p),F(c.__webglFramebuffer,e,l,t.COLOR_ATTACHMENT0,i),M(l,p)&&S(i),n.unbindTexture()}e.depthBuffer&&z(e)},this.updateRenderTargetMipmap=function(e){const r=x(e)||o,s=!0===e.isWebGLMultipleRenderTargets?e.texture:[e.texture];for(let a=0,o=s.length;a<o;a++){const o=s[a];if(M(o,r)){const r=e.isWebGLCubeRenderTarget?t.TEXTURE_CUBE_MAP:t.TEXTURE_2D,s=i.get(o).__webglTexture;n.bindTexture(r,s),S(r),n.unbindTexture()}}},this.updateMultisampleRenderTarget=function(e){if(o&&e.samples>0&&!1===H(e)){const r=e.isWebGLMultipleRenderTargets?e.texture:[e.texture],s=e.width,a=e.height;let o=t.COLOR_BUFFER_BIT;const l=[],c=e.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,h=i.get(e),u=!0===e.isWebGLMultipleRenderTargets;if(u)for(let e=0;e<r.length;e++)n.bindFramebuffer(t.FRAMEBUFFER,h.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),n.bindFramebuffer(t.FRAMEBUFFER,h.__webglFramebuffer),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);n.bindFramebuffer(t.READ_FRAMEBUFFER,h.__webglMultisampledFramebuffer),n.bindFramebuffer(t.DRAW_FRAMEBUFFER,h.__webglFramebuffer);for(let n=0;n<r.length;n++){l.push(t.COLOR_ATTACHMENT0+n),e.depthBuffer&&l.push(c);const d=void 0!==h.__ignoreDepthValues&&h.__ignoreDepthValues;if(!1===d&&(e.depthBuffer&&(o|=t.DEPTH_BUFFER_BIT),e.stencilBuffer&&(o|=t.STENCIL_BUFFER_BIT)),u&&t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,h.__webglColorRenderbuffer[n]),!0===d&&(t.invalidateFramebuffer(t.READ_FRAMEBUFFER,[c]),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,[c])),u){const e=i.get(r[n]).__webglTexture;t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}t.blitFramebuffer(0,0,s,a,0,0,s,a,o,t.NEAREST),p&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,l)}if(n.bindFramebuffer(t.READ_FRAMEBUFFER,null),n.bindFramebuffer(t.DRAW_FRAMEBUFFER,null),u)for(let e=0;e<r.length;e++){n.bindFramebuffer(t.FRAMEBUFFER,h.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,h.__webglColorRenderbuffer[e]);const s=i.get(r[e]).__webglTexture;n.bindFramebuffer(t.FRAMEBUFFER,h.__webglFramebuffer),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,s,0)}n.bindFramebuffer(t.DRAW_FRAMEBUFFER,h.__webglMultisampledFramebuffer)}},this.setupDepthRenderbuffer=z,this.setupFrameBufferTexture=F,this.useMultisampledRTT=H}function Ao(t,e,n){const i=n.isWebGL2;return{convert:function(n,r=Se){let s;if(n===ut)return t.UNSIGNED_BYTE;if(n===yt)return t.UNSIGNED_SHORT_4_4_4_4;if(n===xt)return t.UNSIGNED_SHORT_5_5_5_1;if(n===dt)return t.BYTE;if(n===pt)return t.SHORT;if(n===mt)return t.UNSIGNED_SHORT;if(n===ft)return t.INT;if(n===gt)return t.UNSIGNED_INT;if(n===vt)return t.FLOAT;if(n===_t)return i?t.HALF_FLOAT:(s=e.get("OES_texture_half_float"),null!==s?s.HALF_FLOAT_OES:null);if(n===St)return t.ALPHA;if(n===bt)return t.RGBA;if(n===Et)return t.LUMINANCE;if(n===Tt)return t.LUMINANCE_ALPHA;if(n===wt)return t.DEPTH_COMPONENT;if(n===At)return t.DEPTH_STENCIL;if(n===Fe)return s=e.get("EXT_sRGB"),null!==s?s.SRGB_ALPHA_EXT:null;if(n===Rt)return t.RED;if(n===Ct)return t.RED_INTEGER;if(n===Lt)return t.RG;if(n===Pt)return t.RG_INTEGER;if(n===It)return t.RGBA_INTEGER;if(n===Ut||n===Dt||n===Nt||n===Ot)if(r===be){if(s=e.get("WEBGL_compressed_texture_s3tc_srgb"),null===s)return null;if(n===Ut)return s.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(n===Dt)return s.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(n===Nt)return s.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(n===Ot)return s.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=e.get("WEBGL_compressed_texture_s3tc"),null===s)return null;if(n===Ut)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(n===Dt)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(n===Nt)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(n===Ot)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(n===Ft||n===Bt||n===zt||n===Gt){if(s=e.get("WEBGL_compressed_texture_pvrtc"),null===s)return null;if(n===Ft)return s.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(n===Bt)return s.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(n===zt)return s.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(n===Gt)return s.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(n===Ht)return s=e.get("WEBGL_compressed_texture_etc1"),null!==s?s.COMPRESSED_RGB_ETC1_WEBGL:null;if(n===kt||n===Vt){if(s=e.get("WEBGL_compressed_texture_etc"),null===s)return null;if(n===kt)return r===be?s.COMPRESSED_SRGB8_ETC2:s.COMPRESSED_RGB8_ETC2;if(n===Vt)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:s.COMPRESSED_RGBA8_ETC2_EAC}if(n===Wt||n===Xt||n===jt||n===qt||n===Yt||n===Zt||n===Jt||n===Kt||n===$t||n===Qt||n===te||n===ee||n===ne||n===ie){if(s=e.get("WEBGL_compressed_texture_astc"),null===s)return null;if(n===Wt)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:s.COMPRESSED_RGBA_ASTC_4x4_KHR;if(n===Xt)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:s.COMPRESSED_RGBA_ASTC_5x4_KHR;if(n===jt)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:s.COMPRESSED_RGBA_ASTC_5x5_KHR;if(n===qt)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:s.COMPRESSED_RGBA_ASTC_6x5_KHR;if(n===Yt)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:s.COMPRESSED_RGBA_ASTC_6x6_KHR;if(n===Zt)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:s.COMPRESSED_RGBA_ASTC_8x5_KHR;if(n===Jt)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:s.COMPRESSED_RGBA_ASTC_8x6_KHR;if(n===Kt)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:s.COMPRESSED_RGBA_ASTC_8x8_KHR;if(n===$t)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:s.COMPRESSED_RGBA_ASTC_10x5_KHR;if(n===Qt)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:s.COMPRESSED_RGBA_ASTC_10x6_KHR;if(n===te)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:s.COMPRESSED_RGBA_ASTC_10x8_KHR;if(n===ee)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:s.COMPRESSED_RGBA_ASTC_10x10_KHR;if(n===ne)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:s.COMPRESSED_RGBA_ASTC_12x10_KHR;if(n===ie)return r===be?s.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:s.COMPRESSED_RGBA_ASTC_12x12_KHR}if(n===re){if(s=e.get("EXT_texture_compression_bptc"),null===s)return null;if(n===re)return r===be?s.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:s.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(n===se||n===ae||n===oe||n===le){if(s=e.get("EXT_texture_compression_rgtc"),null===s)return null;if(n===re)return s.COMPRESSED_RED_RGTC1_EXT;if(n===ae)return s.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(n===oe)return s.COMPRESSED_RED_GREEN_RGTC2_EXT;if(n===le)return s.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return n===Mt?i?t.UNSIGNED_INT_24_8:(s=e.get("WEBGL_depth_texture"),null!==s?s.UNSIGNED_INT_24_8_WEBGL:null):void 0!==t[n]?t[n]:null}}}class Ro extends Wr{constructor(t=[]){super(),this.isArrayCamera=!0,this.cameras=t}}class Co extends Pi{constructor(){super(),this.isGroup=!0,this.type="Group"}}const Lo={type:"move"};class Po{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Co,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 Co,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new Ln,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new Ln),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Co,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new Ln,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new Ln),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 n of t.hand.values())this._getHandJoint(e,n)}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,n){let i=null,r=null,s=null;const a=this._targetRay,o=this._grip,l=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(l&&t.hand){s=!0;for(const i of t.hand.values()){const t=e.getJointPose(i,n),r=this._getHandJoint(l,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=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],a=i.position.distanceTo(r.position),o=.02,c=.005;l.inputState.pinching&&a>o+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),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));null!==a&&(i=e.getPose(t.targetRaySpace,n),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(Lo)))}return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const n=new Co;n.matrixAutoUpdate=!1,n.visible=!1,t.joints[e.jointName]=n,t.add(n)}return t.joints[e.jointName]}}class Io extends En{constructor(t,e,n,i,r,s,a,o,l,c){if((c=void 0!==c?c:wt)!==wt&&c!==At)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&c===wt&&(n=gt),void 0===n&&c===At&&(n=Mt),super(null,i,r,s,a,o,c,n,l),this.isDepthTexture=!0,this.image={width:t,height:e},this.magFilter=void 0!==a?a:st,this.minFilter=void 0!==o?o:st,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class Uo extends Ge{constructor(t,e){super();const n=this;let i=null,r=1,s=null,a="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,p=null;const m=e.getContextAttributes();let f=null,g=null;const v=[],_=[];let y=null;const x=new Wr;x.layers.enable(1),x.viewport=new Tn;const M=new Wr;M.layers.enable(2),M.viewport=new Tn;const S=[x,M],b=new Ro;b.layers.enable(1),b.layers.enable(2);let E=null,T=null;function w(t){const e=_.indexOf(t.inputSource);if(-1===e)return;const n=v[e];void 0!==n&&(n.update(t.inputSource,t.frame,l||s),n.dispatchEvent({type:t.type,data:t.inputSource}))}function A(){i.removeEventListener("select",w),i.removeEventListener("selectstart",w),i.removeEventListener("selectend",w),i.removeEventListener("squeeze",w),i.removeEventListener("squeezestart",w),i.removeEventListener("squeezeend",w),i.removeEventListener("end",A),i.removeEventListener("inputsourceschange",R);for(let t=0;t<v.length;t++){const e=_[t];null!==e&&(_[t]=null,v[t].disconnect(e))}E=null,T=null,t.setRenderTarget(f),d=null,u=null,h=null,i=null,g=null,U.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function R(t){for(let e=0;e<t.removed.length;e++){const n=t.removed[e],i=_.indexOf(n);i>=0&&(_[i]=null,v[i].disconnect(n))}for(let e=0;e<t.added.length;e++){const n=t.added[e];let i=_.indexOf(n);if(-1===i){for(let t=0;t<v.length;t++){if(t>=_.length){_.push(n),i=t;break}if(null===_[t]){_[t]=n,i=t;break}}if(-1===i)break}const r=v[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getCamera=function(){},this.setUserCamera=function(t){y=t},this.getController=function(t){let e=v[t];return void 0===e&&(e=new Po,v[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=v[t];return void 0===e&&(e=new Po,v[t]=e),e.getGripSpace()},this.getHand=function(t){let e=v[t];return void 0===e&&(e=new Po,v[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||s},this.setReferenceSpace=function(t){l=t},this.getBaseLayer=function(){return null!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=async function(c){if(i=c,null!==i){if(f=t.getRenderTarget(),i.addEventListener("select",w),i.addEventListener("selectstart",w),i.addEventListener("selectend",w),i.addEventListener("squeeze",w),i.addEventListener("squeezestart",w),i.addEventListener("squeezeend",w),i.addEventListener("end",A),i.addEventListener("inputsourceschange",R),!0!==m.xrCompatible&&await e.makeXRCompatible(),void 0===i.renderState.layers||!1===t.capabilities.isWebGL2){const n={antialias:void 0!==i.renderState.layers||m.antialias,alpha:!0,depth:m.depth,stencil:m.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:d}),g=new wn(d.framebufferWidth,d.framebufferHeight,{format:bt,type:ut,colorSpace:t.outputColorSpace,stencilBuffer:m.stencil})}else{let n=null,s=null,a=null;m.depth&&(a=m.stencil?e.DEPTH24_STENCIL8:e.DEPTH_COMPONENT24,n=m.stencil?At:wt,s=m.stencil?Mt:gt);const o={colorFormat:e.RGBA8,depthFormat:a,scaleFactor:r};h=new XRWebGLBinding(i,e),u=h.createProjectionLayer(o),i.updateRenderState({layers:[u]}),g=new wn(u.textureWidth,u.textureHeight,{format:bt,type:ut,depthTexture:new Io(u.textureWidth,u.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:m.stencil,colorSpace:t.outputColorSpace,samples:m.antialias?4:0});t.properties.get(g).__ignoreDepthValues=u.ignoreDepthValues}g.isXRRenderTarget=!0,this.setFoveation(o),l=null,s=await i.requestReferenceSpace(a),U.setContext(i),U.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==i)return i.environmentBlendMode};const C=new Ln,L=new Ln;function P(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCameraXR=function(t){if(null===i)return t;y&&(t=y),b.near=M.near=x.near=t.near,b.far=M.far=x.far=t.far,E===b.near&&T===b.far||(i.updateRenderState({depthNear:b.near,depthFar:b.far}),E=b.near,T=b.far);const e=t.parent,n=b.cameras;P(b,e);for(let t=0;t<n.length;t++)P(n[t],e);return 2===n.length?function(t,e,n){C.setFromMatrixPosition(e.matrixWorld),L.setFromMatrixPosition(n.matrixWorld);const i=C.distanceTo(L),r=e.projectionMatrix.elements,s=n.projectionMatrix.elements,a=r[14]/(r[10]-1),o=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],h=(r[8]-1)/r[0],u=(s[8]+1)/s[0],d=a*h,p=a*u,m=i/(-h+u),f=m*-h;e.matrixWorld.decompose(t.position,t.quaternion,t.scale),t.translateX(f),t.translateZ(m),t.matrixWorld.compose(t.position,t.quaternion,t.scale),t.matrixWorldInverse.copy(t.matrixWorld).invert();const g=a+m,v=o+m,_=d-f,y=p+(i-f),x=l*o/v*g,M=c*o/v*g;t.projectionMatrix.makePerspective(_,y,x,M,g,v),t.projectionMatrixInverse.copy(t.projectionMatrix).invert()}(b,x,M):b.projectionMatrix.copy(x.projectionMatrix),y&&function(t,e){const n=y;null===e?n.matrix.copy(t.matrixWorld):(n.matrix.copy(e.matrixWorld),n.matrix.invert(),n.matrix.multiply(t.matrixWorld));n.matrix.decompose(n.position,n.quaternion,n.scale),n.updateMatrixWorld(!0);const i=n.children;for(let t=0,e=i.length;t<e;t++)i[t].updateMatrixWorld(!0);n.projectionMatrix.copy(t.projectionMatrix),n.projectionMatrixInverse.copy(t.projectionMatrixInverse),n.isPerspectiveCamera&&(n.fov=2*We*Math.atan(1/n.projectionMatrix.elements[5]),n.zoom=1)}(b,e),b},this.getFoveation=function(){if(null!==u||null!==d)return o},this.setFoveation=function(t){o=t,null!==u&&(u.fixedFoveation=t),null!==d&&void 0!==d.fixedFoveation&&(d.fixedFoveation=t)};let I=null;const U=new ns;U.setAnimationLoop((function(e,i){if(c=i.getViewerPose(l||s),p=i,null!==c){const e=c.views;null!==d&&(t.setRenderTargetFramebuffer(g,d.framebuffer),t.setRenderTarget(g));let n=!1;e.length!==b.cameras.length&&(b.cameras.length=0,n=!0);for(let i=0;i<e.length;i++){const r=e[i];let s=null;if(null!==d)s=d.getViewport(r);else{const e=h.getViewSubImage(u,r);s=e.viewport,0===i&&(t.setRenderTargetTextures(g,e.colorTexture,u.ignoreDepthValues?void 0:e.depthStencilTexture),t.setRenderTarget(g))}let a=S[i];void 0===a&&(a=new Wr,a.layers.enable(i),a.viewport=new Tn,S[i]=a),a.matrix.fromArray(r.transform.matrix),a.matrix.decompose(a.position,a.quaternion,a.scale),a.projectionMatrix.fromArray(r.projectionMatrix),a.projectionMatrixInverse.copy(a.projectionMatrix).invert(),a.viewport.set(s.x,s.y,s.width,s.height),0===i&&(b.matrix.copy(a.matrix),b.matrix.decompose(b.position,b.quaternion,b.scale)),!0===n&&b.cameras.push(a)}}for(let t=0;t<v.length;t++){const e=_[t],n=v[t];null!==e&&void 0!==n&&n.update(e,i,l||s)}I&&I(e,i),i.detectedPlanes&&n.dispatchEvent({type:"planesdetected",data:i}),p=null})),this.setAnimationLoop=function(t){I=t},this.dispose=function(){}}}function Do(t,e){function n(t,e){!0===t.matrixAutoUpdate&&t.updateMatrix(),e.value.copy(t.matrix)}function i(i,r){i.opacity.value=r.opacity,r.color&&i.diffuse.value.copy(r.color),r.emissive&&i.emissive.value.copy(r.emissive).multiplyScalar(r.emissiveIntensity),r.map&&(i.map.value=r.map,n(r.map,i.mapTransform)),r.alphaMap&&(i.alphaMap.value=r.alphaMap,n(r.alphaMap,i.alphaMapTransform)),r.bumpMap&&(i.bumpMap.value=r.bumpMap,n(r.bumpMap,i.bumpMapTransform),i.bumpScale.value=r.bumpScale,r.side===c&&(i.bumpScale.value*=-1)),r.normalMap&&(i.normalMap.value=r.normalMap,n(r.normalMap,i.normalMapTransform),i.normalScale.value.copy(r.normalScale),r.side===c&&i.normalScale.value.negate()),r.displacementMap&&(i.displacementMap.value=r.displacementMap,n(r.displacementMap,i.displacementMapTransform),i.displacementScale.value=r.displacementScale,i.displacementBias.value=r.displacementBias),r.emissiveMap&&(i.emissiveMap.value=r.emissiveMap,n(r.emissiveMap,i.emissiveMapTransform)),r.specularMap&&(i.specularMap.value=r.specularMap,n(r.specularMap,i.specularMapTransform)),r.alphaTest>0&&(i.alphaTest.value=r.alphaTest);const s=e.get(r).envMap;if(s&&(i.envMap.value=s,i.flipEnvMap.value=s.isCubeTexture&&!1===s.isRenderTargetTexture?-1:1,i.reflectivity.value=r.reflectivity,i.ior.value=r.ior,i.refractionRatio.value=r.refractionRatio),r.lightMap){i.lightMap.value=r.lightMap;const e=!0===t.useLegacyLights?Math.PI:1;i.lightMapIntensity.value=r.lightMapIntensity*e,n(r.lightMap,i.lightMapTransform)}r.aoMap&&(i.aoMap.value=r.aoMap,i.aoMapIntensity.value=r.aoMapIntensity,n(r.aoMap,i.aoMapTransform))}return{refreshFogUniforms:function(e,n){n.color.getRGB(e.fogColor.value,Gr(t)),n.isFog?(e.fogNear.value=n.near,e.fogFar.value=n.far):n.isFogExp2&&(e.fogDensity.value=n.density)},refreshMaterialUniforms:function(t,r,s,a,o){r.isMeshBasicMaterial||r.isMeshLambertMaterial?i(t,r):r.isMeshToonMaterial?(i(t,r),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,r)):r.isMeshPhongMaterial?(i(t,r),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,r)):r.isMeshStandardMaterial?(i(t,r),function(t,i){t.metalness.value=i.metalness,i.metalnessMap&&(t.metalnessMap.value=i.metalnessMap,n(i.metalnessMap,t.metalnessMapTransform));t.roughness.value=i.roughness,i.roughnessMap&&(t.roughnessMap.value=i.roughnessMap,n(i.roughnessMap,t.roughnessMapTransform));const r=e.get(i).envMap;r&&(t.envMapIntensity.value=i.envMapIntensity)}(t,r),r.isMeshPhysicalMaterial&&function(t,e,i){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap,n(e.sheenColorMap,t.sheenColorMapTransform)),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap,n(e.sheenRoughnessMap,t.sheenRoughnessMapTransform)));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap,n(e.clearcoatMap,t.clearcoatMapTransform)),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap,n(e.clearcoatRoughnessMap,t.clearcoatRoughnessMapTransform)),e.clearcoatNormalMap&&(t.clearcoatNormalMap.value=e.clearcoatNormalMap,n(e.clearcoatNormalMap,t.clearcoatNormalMapTransform),t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),e.side===c&&t.clearcoatNormalScale.value.negate()));e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap,n(e.iridescenceMap,t.iridescenceMapTransform)),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap,n(e.iridescenceThicknessMap,t.iridescenceThicknessMapTransform)));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=i.texture,t.transmissionSamplerSize.value.set(i.width,i.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap,n(e.transmissionMap,t.transmissionMapTransform)),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap,n(e.thicknessMap,t.thicknessMapTransform)),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));e.anisotropy>0&&(t.anisotropyVector.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation)),e.anisotropyMap&&(t.anisotropyMap.value=e.anisotropyMap,n(e.anisotropyMap,t.anisotropyMapTransform)));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap,n(e.specularColorMap,t.specularColorMapTransform));e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap,n(e.specularIntensityMap,t.specularIntensityMapTransform))}(t,r,o)):r.isMeshMatcapMaterial?(i(t,r),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,r)):r.isMeshDepthMaterial?i(t,r):r.isMeshDistanceMaterial?(i(t,r),function(t,n){const i=e.get(n).light;t.referencePosition.value.setFromMatrixPosition(i.matrixWorld),t.nearDistance.value=i.shadow.camera.near,t.farDistance.value=i.shadow.camera.far}(t,r)):r.isMeshNormalMaterial?i(t,r):r.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform))}(t,r),r.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,r)):r.isPointsMaterial?function(t,e,i,r){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*i,t.scale.value=.5*r,e.map&&(t.map.value=e.map,n(e.map,t.uvTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r,s,a):r.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r):r.isShadowMaterial?(t.color.value.copy(r.color),t.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function No(t,e,n,i){let r={},s={},a=[];const o=n.isWebGL2?t.getParameter(t.MAX_UNIFORM_BUFFER_BINDINGS):0;function l(t,e,n){const i=t.value;if(void 0===n[e]){if("number"==typeof i)n[e]=i;else{const t=Array.isArray(i)?i:[i],r=[];for(let e=0;e<t.length;e++)r.push(t[e].clone());n[e]=r}return!0}if("number"==typeof i){if(n[e]!==i)return n[e]=i,!0}else{const t=Array.isArray(n[e])?n[e]:[n[e]],r=Array.isArray(i)?i:[i];for(let e=0;e<t.length;e++){const n=t[e];if(!1===n.equals(r[e]))return n.copy(r[e]),!0}}return!1}function c(t){const e={boundary:0,storage:0};return"number"==typeof t?(e.boundary=4,e.storage=4):t.isVector2?(e.boundary=8,e.storage=8):t.isVector3||t.isColor?(e.boundary=16,e.storage=12):t.isVector4?(e.boundary=16,e.storage=16):t.isMatrix3?(e.boundary=48,e.storage=48):t.isMatrix4?(e.boundary=64,e.storage=64):t.isTexture?console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."):console.warn("THREE.WebGLRenderer: Unsupported uniform value type.",t),e}function h(e){const n=e.target;n.removeEventListener("dispose",h);const i=a.indexOf(n.__bindingPointIndex);a.splice(i,1),t.deleteBuffer(r[n.id]),delete r[n.id],delete s[n.id]}return{bind:function(t,e){const n=e.program;i.uniformBlockBinding(t,n)},update:function(n,u){let d=r[n.id];void 0===d&&(!function(t){const e=t.uniforms;let n=0;const i=16;let r=0;for(let t=0,s=e.length;t<s;t++){const s=e[t],a={boundary:0,storage:0},o=Array.isArray(s.value)?s.value:[s.value];for(let t=0,e=o.length;t<e;t++){const e=c(o[t]);a.boundary+=e.boundary,a.storage+=e.storage}if(s.__data=new Float32Array(a.storage/Float32Array.BYTES_PER_ELEMENT),s.__offset=n,t>0){r=n%i;0!==r&&i-r-a.boundary<0&&(n+=i-r,s.__offset=n)}n+=a.storage}r=n%i,r>0&&(n+=i-r);t.__size=n,t.__cache={}}(n),d=function(e){const n=function(){for(let t=0;t<o;t++)if(-1===a.indexOf(t))return a.push(t),t;return console.error("THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached."),0}();e.__bindingPointIndex=n;const i=t.createBuffer(),r=e.__size,s=e.usage;return t.bindBuffer(t.UNIFORM_BUFFER,i),t.bufferData(t.UNIFORM_BUFFER,r,s),t.bindBuffer(t.UNIFORM_BUFFER,null),t.bindBufferBase(t.UNIFORM_BUFFER,n,i),i}(n),r[n.id]=d,n.addEventListener("dispose",h));const p=u.program;i.updateUBOMapping(n,p);const m=e.render.frame;s[n.id]!==m&&(!function(e){const n=r[e.id],i=e.uniforms,s=e.__cache;t.bindBuffer(t.UNIFORM_BUFFER,n);for(let e=0,n=i.length;e<n;e++){const n=i[e];if(!0===l(n,e,s)){const e=n.__offset,i=Array.isArray(n.value)?n.value:[n.value];let r=0;for(let s=0;s<i.length;s++){const a=i[s],o=c(a);"number"==typeof a?(n.__data[0]=a,t.bufferSubData(t.UNIFORM_BUFFER,e+r,n.__data)):a.isMatrix3?(n.__data[0]=a.elements[0],n.__data[1]=a.elements[1],n.__data[2]=a.elements[2],n.__data[3]=a.elements[0],n.__data[4]=a.elements[3],n.__data[5]=a.elements[4],n.__data[6]=a.elements[5],n.__data[7]=a.elements[0],n.__data[8]=a.elements[6],n.__data[9]=a.elements[7],n.__data[10]=a.elements[8],n.__data[11]=a.elements[0]):(a.toArray(n.__data,r),r+=o.storage/Float32Array.BYTES_PER_ELEMENT)}t.bufferSubData(t.UNIFORM_BUFFER,e,n.__data)}}t.bindBuffer(t.UNIFORM_BUFFER,null)}(n),s[n.id]=m)},dispose:function(){for(const e in r)t.deleteBuffer(r[e]);a=[],r={},s={}}}}function Oo(){const t=ln("canvas");return t.style.display="block",t}class Fo{constructor(t={}){const{canvas:n=Oo(),context:i=null,depth:r=!0,stencil:s=!0,alpha:a=!1,antialias:o=!1,premultipliedAlpha:u=!0,preserveDrawingBuffer:d=!1,powerPreference:p="default",failIfMajorPerformanceCaveat:m=!1}=t;let f;this.isWebGLRenderer=!0,f=null!==i?i.getContextAttributes().alpha:a;const g=new Uint32Array(4),v=new Int32Array(4);let _=null,y=null;const x=[],M=[];this.domElement=n,this.debug={checkShaderErrors:!0,onShaderError:null},this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.sortObjects=!0,this.clippingPlanes=[],this.localClippingEnabled=!1,this.outputColorSpace=be,this.useLegacyLights=!0,this.toneMapping=W,this.toneMappingExposure=1;const S=this;let b=!1,E=0,T=0,w=null,A=-1,R=null;const C=new Tn,L=new Tn;let P=null;const I=new Ji(0);let U=0,D=n.width,N=n.height,O=1,F=null,B=null;const z=new Tn(0,0,D,N),G=new Tn(0,0,D,N);let H=!1;const k=new es;let V=!1,X=!1,j=null;const q=new ai,Y=new en,Z=new Ln,J={background:null,fog:null,environment:null,overrideMaterial:null,isScene:!0};function K(){return null===w?O:1}let $,Q,tt,et,nt,it,rt,st,at,ot,lt,ct,dt,pt,ft,St,Et,Tt,wt,At,Rt,Lt,Ut,Dt,Nt=i;function Ot(t,e){for(let i=0;i<t.length;i++){const r=t[i],s=n.getContext(r,e);if(null!==s)return s}return null}try{const t={alpha:!0,depth:r,stencil:s,antialias:o,premultipliedAlpha:u,preserveDrawingBuffer:d,powerPreference:p,failIfMajorPerformanceCaveat:m};if("setAttribute"in n&&n.setAttribute("data-engine",`three.js r${e}`),n.addEventListener("webglcontextlost",zt,!1),n.addEventListener("webglcontextrestored",Gt,!1),n.addEventListener("webglcontextcreationerror",Ht,!1),null===Nt){const e=["webgl2","webgl","experimental-webgl"];if(!0===S.isWebGL1Renderer&&e.shift(),Nt=Ot(e,t),null===Nt)throw Ot(e)?new Error("Error creating WebGL context with your selected attributes."):new Error("Error creating WebGL context.")}Nt instanceof WebGLRenderingContext&&console.warn("THREE.WebGLRenderer: WebGL 1 support was deprecated in r153 and will be removed in r163."),void 0===Nt.getShaderPrecisionFormat&&(Nt.getShaderPrecisionFormat=function(){return{rangeMin:1,rangeMax:1,precision:1}})}catch(t){throw console.error("THREE.WebGLRenderer: "+t.message),t}function Ft(){$=new Is(Nt),Q=new ds(Nt,$,t),$.init(Q),Lt=new Ao(Nt,$,Q),tt=new To(Nt,$,Q),et=new Ns(Nt),nt=new ho,it=new wo(Nt,$,tt,nt,Q,Lt,et),rt=new ms(S),st=new Ps(S),at=new is(Nt,Q),Ut=new hs(Nt,$,at,Q),ot=new Us(Nt,at,et,Ut),lt=new zs(Nt,ot,at,et),wt=new Bs(Nt,Q,it),St=new ps(nt),ct=new co(S,rt,st,$,Q,Ut,St),dt=new Do(S,nt),pt=new fo,ft=new Mo($,Q),Tt=new cs(S,rt,st,tt,lt,f,u),Et=new Eo(S,lt,Q),Dt=new No(Nt,et,Q,tt),At=new us(Nt,$,et,Q),Rt=new Ds(Nt,$,et,Q),et.programs=ct.programs,S.capabilities=Q,S.extensions=$,S.properties=nt,S.renderLists=pt,S.shadowMap=Et,S.state=tt,S.info=et}Ft();const Bt=new Uo(S,Nt);function zt(t){t.preventDefault(),console.log("THREE.WebGLRenderer: Context Lost."),b=!0}function Gt(){console.log("THREE.WebGLRenderer: Context Restored."),b=!1;const t=et.autoReset,e=Et.enabled,n=Et.autoUpdate,i=Et.needsUpdate,r=Et.type;Ft(),et.autoReset=t,Et.enabled=e,Et.autoUpdate=n,Et.needsUpdate=i,Et.type=r}function Ht(t){console.error("THREE.WebGLRenderer: A WebGL context could not be created. Reason: ",t.statusMessage)}function kt(t){const e=t.target;e.removeEventListener("dispose",kt),function(t){(function(t){const e=nt.get(t).programs;void 0!==e&&(e.forEach((function(t){ct.releaseProgram(t)})),t.isShaderMaterial&&ct.releaseShaderCache(t))})(t),nt.remove(t)}(e)}this.xr=Bt,this.getContext=function(){return Nt},this.getContextAttributes=function(){return Nt.getContextAttributes()},this.forceContextLoss=function(){const t=$.get("WEBGL_lose_context");t&&t.loseContext()},this.forceContextRestore=function(){const t=$.get("WEBGL_lose_context");t&&t.restoreContext()},this.getPixelRatio=function(){return O},this.setPixelRatio=function(t){void 0!==t&&(O=t,this.setSize(D,N,!1))},this.getSize=function(t){return t.set(D,N)},this.setSize=function(t,e,i=!0){Bt.isPresenting?console.warn("THREE.WebGLRenderer: Can't change size while VR device is presenting."):(D=t,N=e,n.width=Math.floor(t*O),n.height=Math.floor(e*O),!0===i&&(n.style.width=t+"px",n.style.height=e+"px"),this.setViewport(0,0,t,e))},this.getDrawingBufferSize=function(t){return t.set(D*O,N*O).floor()},this.setDrawingBufferSize=function(t,e,i){D=t,N=e,O=i,n.width=Math.floor(t*i),n.height=Math.floor(e*i),this.setViewport(0,0,t,e)},this.getCurrentViewport=function(t){return t.copy(C)},this.getViewport=function(t){return t.copy(z)},this.setViewport=function(t,e,n,i){t.isVector4?z.set(t.x,t.y,t.z,t.w):z.set(t,e,n,i),tt.viewport(C.copy(z).multiplyScalar(O).floor())},this.getScissor=function(t){return t.copy(G)},this.setScissor=function(t,e,n,i){t.isVector4?G.set(t.x,t.y,t.z,t.w):G.set(t,e,n,i),tt.scissor(L.copy(G).multiplyScalar(O).floor())},this.getScissorTest=function(){return H},this.setScissorTest=function(t){tt.setScissorTest(H=t)},this.setOpaqueSort=function(t){F=t},this.setTransparentSort=function(t){B=t},this.getClearColor=function(t){return t.copy(Tt.getClearColor())},this.setClearColor=function(){Tt.setClearColor.apply(Tt,arguments)},this.getClearAlpha=function(){return Tt.getClearAlpha()},this.setClearAlpha=function(){Tt.setClearAlpha.apply(Tt,arguments)},this.clear=function(t=!0,e=!0,n=!0){let i=0;if(t){let t=!1;if(null!==w){const e=w.texture.format;t=e===It||e===Pt||e===Ct}if(t){const t=w.texture.type,e=t===ut||t===gt||t===mt||t===Mt||t===yt||t===xt,n=Tt.getClearColor(),i=Tt.getClearAlpha(),r=n.r,s=n.g,a=n.b,o=nt.get(w).__webglFramebuffer;e?(g[0]=r,g[1]=s,g[2]=a,g[3]=i,Nt.clearBufferuiv(Nt.COLOR,o,g)):(v[0]=r,v[1]=s,v[2]=a,v[3]=i,Nt.clearBufferiv(Nt.COLOR,o,v))}else i|=Nt.COLOR_BUFFER_BIT}e&&(i|=Nt.DEPTH_BUFFER_BIT),n&&(i|=Nt.STENCIL_BUFFER_BIT),Nt.clear(i)},this.clearColor=function(){this.clear(!0,!1,!1)},this.clearDepth=function(){this.clear(!1,!0,!1)},this.clearStencil=function(){this.clear(!1,!1,!0)},this.dispose=function(){n.removeEventListener("webglcontextlost",zt,!1),n.removeEventListener("webglcontextrestored",Gt,!1),n.removeEventListener("webglcontextcreationerror",Ht,!1),pt.dispose(),ft.dispose(),nt.dispose(),rt.dispose(),st.dispose(),lt.dispose(),Ut.dispose(),Dt.dispose(),ct.dispose(),Bt.dispose(),Bt.removeEventListener("sessionstart",Wt),Bt.removeEventListener("sessionend",Xt),j&&(j.dispose(),j=null),jt.stop()},this.renderBufferDirect=function(t,e,n,i,r,s){null===e&&(e=J);const a=r.isMesh&&r.matrixWorld.determinant()<0,o=function(t,e,n,i,r){!0!==e.isScene&&(e=J);it.resetTextureUnits();const s=e.fog,a=i.isMeshStandardMaterial?e.environment:null,o=null===w?S.outputColorSpace:!0===w.isXRRenderTarget?w.texture.colorSpace:Ee,l=(i.isMeshStandardMaterial?st:rt).get(i.envMap||a),c=!0===i.vertexColors&&!!n.attributes.color&&4===n.attributes.color.itemSize,h=!!n.attributes.tangent&&(!!i.normalMap||i.anisotropy>0),u=!!n.morphAttributes.position,d=!!n.morphAttributes.normal,p=!!n.morphAttributes.color,m=i.toneMapped?S.toneMapping:W,f=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==f?f.length:0,v=nt.get(i),_=y.state.lights;if(!0===V&&(!0===X||t!==R)){const e=t===R&&i.id===A;St.setState(i,t,e)}let x=!1;i.version===v.__version?v.needsLights&&v.lightsStateVersion!==_.state.version||v.outputColorSpace!==o||r.isInstancedMesh&&!1===v.instancing?x=!0:r.isInstancedMesh||!0!==v.instancing?r.isSkinnedMesh&&!1===v.skinning?x=!0:r.isSkinnedMesh||!0!==v.skinning?v.envMap!==l||!0===i.fog&&v.fog!==s?x=!0:void 0===v.numClippingPlanes||v.numClippingPlanes===St.numPlanes&&v.numIntersection===St.numIntersection?(v.vertexAlphas!==c||v.vertexTangents!==h||v.morphTargets!==u||v.morphNormals!==d||v.morphColors!==p||v.toneMapping!==m||!0===Q.isWebGL2&&v.morphTargetsCount!==g)&&(x=!0):x=!0:x=!0:x=!0:(x=!0,v.__version=i.version);let M=v.currentProgram;!0===x&&(M=Kt(i,e,r));let b=!1,E=!1,T=!1;const C=M.getUniforms(),L=v.uniforms;tt.useProgram(M.program)&&(b=!0,E=!0,T=!0);i.id!==A&&(A=i.id,E=!0);if(b||R!==t){if(C.setValue(Nt,"projectionMatrix",t.projectionMatrix),Q.logarithmicDepthBuffer&&C.setValue(Nt,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),R!==t&&(R=t,E=!0,T=!0),i.isShaderMaterial||i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshStandardMaterial||i.envMap){const e=C.map.cameraPosition;void 0!==e&&e.setValue(Nt,Z.setFromMatrixPosition(t.matrixWorld))}(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&C.setValue(Nt,"isOrthographic",!0===t.isOrthographicCamera),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial||i.isShadowMaterial||r.isSkinnedMesh)&&C.setValue(Nt,"viewMatrix",t.matrixWorldInverse)}if(r.isSkinnedMesh){C.setOptional(Nt,r,"bindMatrix"),C.setOptional(Nt,r,"bindMatrixInverse");const t=r.skeleton;t&&(Q.floatVertexTextures?(null===t.boneTexture&&t.computeBoneTexture(),C.setValue(Nt,"boneTexture",t.boneTexture,it),C.setValue(Nt,"boneTextureSize",t.boneTextureSize)):console.warn("THREE.WebGLRenderer: SkinnedMesh can only be used with WebGL 2. With WebGL 1 OES_texture_float and vertex textures support is required."))}const P=n.morphAttributes;(void 0!==P.position||void 0!==P.normal||void 0!==P.color&&!0===Q.isWebGL2)&&wt.update(r,n,M);(E||v.receiveShadow!==r.receiveShadow)&&(v.receiveShadow=r.receiveShadow,C.setValue(Nt,"receiveShadow",r.receiveShadow));i.isMeshGouraudMaterial&&null!==i.envMap&&(L.envMap.value=l,L.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1);E&&(C.setValue(Nt,"toneMappingExposure",S.toneMappingExposure),v.needsLights&&(U=T,(I=L).ambientLightColor.needsUpdate=U,I.lightProbe.needsUpdate=U,I.directionalLights.needsUpdate=U,I.directionalLightShadows.needsUpdate=U,I.pointLights.needsUpdate=U,I.pointLightShadows.needsUpdate=U,I.spotLights.needsUpdate=U,I.spotLightShadows.needsUpdate=U,I.rectAreaLights.needsUpdate=U,I.hemisphereLights.needsUpdate=U),s&&!0===i.fog&&dt.refreshFogUniforms(L,s),dt.refreshMaterialUniforms(L,i,O,N,j),Va.upload(Nt,v.uniformsList,L,it));var I,U;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(Va.upload(Nt,v.uniformsList,L,it),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&C.setValue(Nt,"center",r.center);if(C.setValue(Nt,"modelViewMatrix",r.modelViewMatrix),C.setValue(Nt,"normalMatrix",r.normalMatrix),C.setValue(Nt,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const t=i.uniformsGroups;for(let e=0,n=t.length;e<n;e++)if(Q.isWebGL2){const n=t[e];Dt.update(n,M),Dt.bind(n,M)}else console.warn("THREE.WebGLRenderer: Uniform Buffer Objects can only be used with WebGL 2.")}return M}(t,e,n,i,r);tt.setMaterial(i,a);let l=n.index,c=1;!0===i.wireframe&&(l=ot.getWireframeAttribute(n),c=2);const h=n.drawRange,u=n.attributes.position;let d=h.start*c,p=(h.start+h.count)*c;null!==s&&(d=Math.max(d,s.start*c),p=Math.min(p,(s.start+s.count)*c)),null!==l?(d=Math.max(d,0),p=Math.min(p,l.count)):null!=u&&(d=Math.max(d,0),p=Math.min(p,u.count));const m=p-d;if(m<0||m===1/0)return;let f;Ut.setup(r,i,o,n,l);let g=At;if(null!==l&&(f=at.get(l),g=Rt,g.setIndex(f)),r.isMesh)!0===i.wireframe?(tt.setLineWidth(i.wireframeLinewidth*K()),g.setMode(Nt.LINES)):g.setMode(Nt.TRIANGLES);else if(r.isLine){let t=i.linewidth;void 0===t&&(t=1),tt.setLineWidth(t*K()),r.isLineSegments?g.setMode(Nt.LINES):r.isLineLoop?g.setMode(Nt.LINE_LOOP):g.setMode(Nt.LINE_STRIP)}else r.isPoints?g.setMode(Nt.POINTS):r.isSprite&&g.setMode(Nt.TRIANGLES);if(r.isInstancedMesh)g.renderInstances(d,m,r.count);else if(n.isInstancedBufferGeometry){const t=void 0!==n._maxInstanceCount?n._maxInstanceCount:1/0,e=Math.min(n.instanceCount,t);g.renderInstances(d,m,e)}else g.render(d,m)},this.compile=function(t,e){function n(t,e,n){!0===t.transparent&&t.side===h&&!1===t.forceSinglePass?(t.side=c,t.needsUpdate=!0,Kt(t,e,n),t.side=l,t.needsUpdate=!0,Kt(t,e,n),t.side=h):Kt(t,e,n)}y=ft.get(t),y.init(),M.push(y),t.traverseVisible((function(t){t.isLight&&t.layers.test(e.layers)&&(y.pushLight(t),t.castShadow&&y.pushShadow(t))})),y.setupLights(S.useLegacyLights),t.traverse((function(e){const i=e.material;if(i)if(Array.isArray(i))for(let r=0;r<i.length;r++){n(i[r],t,e)}else n(i,t,e)})),M.pop(),y=null};let Vt=null;function Wt(){jt.stop()}function Xt(){jt.start()}const jt=new ns;function qt(t,e,n,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)n=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)y.pushLight(t),t.castShadow&&y.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||k.intersectsSprite(t)){i&&Z.setFromMatrixPosition(t.matrixWorld).applyMatrix4(q);const e=lt.update(t),r=t.material;r.visible&&_.push(t,e,r,n,Z.z,null)}}else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||k.intersectsObject(t))){t.isSkinnedMesh&&t.skeleton.frame!==et.render.frame&&(t.skeleton.update(),t.skeleton.frame=et.render.frame);const e=lt.update(t),r=t.material;if(i&&(void 0!==t.boundingSphere?(null===t.boundingSphere&&t.computeBoundingSphere(),Z.copy(t.boundingSphere.center)):(null===e.boundingSphere&&e.computeBoundingSphere(),Z.copy(e.boundingSphere.center)),Z.applyMatrix4(t.matrixWorld).applyMatrix4(q)),Array.isArray(r)){const i=e.groups;for(let s=0,a=i.length;s<a;s++){const a=i[s],o=r[a.materialIndex];o&&o.visible&&_.push(t,e,o,n,Z.z,a)}}else r.visible&&_.push(t,e,r,n,Z.z,null)}const r=t.children;for(let t=0,s=r.length;t<s;t++)qt(r[t],e,n,i)}function Yt(t,e,n,i){const r=t.opaque,s=t.transmissive,a=t.transparent;y.setupLightsView(n),!0===V&&St.setGlobalState(S.clippingPlanes,n),s.length>0&&function(t,e,n,i){const r=Q.isWebGL2;null===j&&(j=new wn(1,1,{generateMipmaps:!0,type:$.has("EXT_color_buffer_half_float")?_t:ut,minFilter:ht,samples:r&&!0===o?4:0}));S.getDrawingBufferSize(Y),r?j.setSize(Y.x,Y.y):j.setSize(Ke(Y.x),Ke(Y.y));const s=S.getRenderTarget();S.setRenderTarget(j),S.getClearColor(I),U=S.getClearAlpha(),U<1&&S.setClearColor(16777215,.5);S.clear();const a=S.toneMapping;S.toneMapping=W,Zt(t,n,i),it.updateMultisampleRenderTarget(j),it.updateRenderTargetMipmap(j);let l=!1;for(let t=0,r=e.length;t<r;t++){const r=e[t],s=r.object,a=r.geometry,o=r.material,u=r.group;if(o.side===h&&s.layers.test(i.layers)){const t=o.side;o.side=c,o.needsUpdate=!0,Jt(s,n,i,a,o,u),o.side=t,o.needsUpdate=!0,l=!0}}!0===l&&(it.updateMultisampleRenderTarget(j),it.updateRenderTargetMipmap(j));S.setRenderTarget(s),S.setClearColor(I,U),S.toneMapping=a}(r,s,e,n),i&&tt.viewport(C.copy(i)),r.length>0&&Zt(r,e,n),s.length>0&&Zt(s,e,n),a.length>0&&Zt(a,e,n),tt.buffers.depth.setTest(!0),tt.buffers.depth.setMask(!0),tt.buffers.color.setMask(!0),tt.setPolygonOffset(!1)}function Zt(t,e,n){const i=!0===e.isScene?e.overrideMaterial:null;for(let r=0,s=t.length;r<s;r++){const s=t[r],a=s.object,o=s.geometry,l=null===i?s.material:i,c=s.group;a.layers.test(n.layers)&&Jt(a,e,n,o,l,c)}}function Jt(t,e,n,i,r,s){t.onBeforeRender(S,e,n,i,r,s),t.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,t.matrixWorld),t.normalMatrix.getNormalMatrix(t.modelViewMatrix),r.onBeforeRender(S,e,n,i,t,s),!0===r.transparent&&r.side===h&&!1===r.forceSinglePass?(r.side=c,r.needsUpdate=!0,S.renderBufferDirect(n,e,i,r,t,s),r.side=l,r.needsUpdate=!0,S.renderBufferDirect(n,e,i,r,t,s),r.side=h):S.renderBufferDirect(n,e,i,r,t,s),t.onAfterRender(S,e,n,i,r,s)}function Kt(t,e,n){!0!==e.isScene&&(e=J);const i=nt.get(t),r=y.state.lights,s=y.state.shadowsArray,a=r.state.version,o=ct.getParameters(t,r.state,s,e,n),l=ct.getProgramCacheKey(o);let c=i.programs;i.environment=t.isMeshStandardMaterial?e.environment:null,i.fog=e.fog,i.envMap=(t.isMeshStandardMaterial?st:rt).get(t.envMap||i.environment),void 0===c&&(t.addEventListener("dispose",kt),c=new Map,i.programs=c);let h=c.get(l);if(void 0!==h){if(i.currentProgram===h&&i.lightsStateVersion===a)return $t(t,o),h}else o.uniforms=ct.getUniforms(t),t.onBuild(n,o,S),t.onBeforeCompile(o,S),h=ct.acquireProgram(o,l),c.set(l,h),i.uniforms=o.uniforms;const u=i.uniforms;(t.isShaderMaterial||t.isRawShaderMaterial)&&!0!==t.clipping||(u.clippingPlanes=St.uniform),$t(t,o),i.needsLights=function(t){return t.isMeshLambertMaterial||t.isMeshToonMaterial||t.isMeshPhongMaterial||t.isMeshStandardMaterial||t.isShadowMaterial||t.isShaderMaterial&&!0===t.lights}(t),i.lightsStateVersion=a,i.needsLights&&(u.ambientLightColor.value=r.state.ambient,u.lightProbe.value=r.state.probe,u.directionalLights.value=r.state.directional,u.directionalLightShadows.value=r.state.directionalShadow,u.spotLights.value=r.state.spot,u.spotLightShadows.value=r.state.spotShadow,u.rectAreaLights.value=r.state.rectArea,u.ltc_1.value=r.state.rectAreaLTC1,u.ltc_2.value=r.state.rectAreaLTC2,u.pointLights.value=r.state.point,u.pointLightShadows.value=r.state.pointShadow,u.hemisphereLights.value=r.state.hemi,u.directionalShadowMap.value=r.state.directionalShadowMap,u.directionalShadowMatrix.value=r.state.directionalShadowMatrix,u.spotShadowMap.value=r.state.spotShadowMap,u.spotLightMatrix.value=r.state.spotLightMatrix,u.spotLightMap.value=r.state.spotLightMap,u.pointShadowMap.value=r.state.pointShadowMap,u.pointShadowMatrix.value=r.state.pointShadowMatrix);const d=h.getUniforms(),p=Va.seqWithValue(d.seq,u);return i.currentProgram=h,i.uniformsList=p,h}function $t(t,e){const n=nt.get(t);n.outputColorSpace=e.outputColorSpace,n.instancing=e.instancing,n.skinning=e.skinning,n.morphTargets=e.morphTargets,n.morphNormals=e.morphNormals,n.morphColors=e.morphColors,n.morphTargetsCount=e.morphTargetsCount,n.numClippingPlanes=e.numClippingPlanes,n.numIntersection=e.numClipIntersection,n.vertexAlphas=e.vertexAlphas,n.vertexTangents=e.vertexTangents,n.toneMapping=e.toneMapping}jt.setAnimationLoop((function(t){Vt&&Vt(t)})),"undefined"!=typeof self&&jt.setContext(self),this.setAnimationLoop=function(t){Vt=t,Bt.setAnimationLoop(t),null===t?jt.stop():jt.start()},Bt.addEventListener("sessionstart",Wt),Bt.addEventListener("sessionend",Xt),this.render=function(t,e){if(void 0!==e&&!0!==e.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===b)return;!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),null===e.parent&&!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),!0===Bt.enabled&&!0===Bt.isPresenting&&(e=Bt.updateCameraXR(e)),!0===t.isScene&&t.onBeforeRender(S,t,e,w),y=ft.get(t,M.length),y.init(),M.push(y),q.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),k.setFromProjectionMatrix(q),X=this.localClippingEnabled,V=St.init(this.clippingPlanes,X),_=pt.get(t,x.length),_.init(),x.push(_),qt(t,e,0,S.sortObjects),_.finish(),!0===S.sortObjects&&_.sort(F,B),!0===V&&St.beginShadows();const n=y.state.shadowsArray;if(Et.render(n,t,e),!0===V&&St.endShadows(),!0===this.info.autoReset&&this.info.reset(),this.info.render.frame++,Tt.render(_,t),y.setupLights(S.useLegacyLights),e.isArrayCamera){const n=e.cameras;for(let e=0,i=n.length;e<i;e++){const i=n[e];Yt(_,t,i,i.viewport)}}else Yt(_,t,e);null!==w&&(it.updateMultisampleRenderTarget(w),it.updateRenderTargetMipmap(w)),!0===t.isScene&&t.onAfterRender(S,t,e),Ut.resetDefaultState(),A=-1,R=null,M.pop(),y=M.length>0?M[M.length-1]:null,x.pop(),_=x.length>0?x[x.length-1]:null},this.getActiveCubeFace=function(){return E},this.getActiveMipmapLevel=function(){return T},this.getRenderTarget=function(){return w},this.setRenderTargetTextures=function(t,e,n){nt.get(t.texture).__webglTexture=e,nt.get(t.depthTexture).__webglTexture=n;const i=nt.get(t);i.__hasExternalTextures=!0,i.__hasExternalTextures&&(i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===$.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1))},this.setRenderTargetFramebuffer=function(t,e){const n=nt.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){w=t,E=e,T=n;let i=!0,r=null,s=!1,a=!1;if(t){const n=nt.get(t);void 0!==n.__useDefaultFramebuffer?(tt.bindFramebuffer(Nt.FRAMEBUFFER,null),i=!1):void 0===n.__webglFramebuffer?it.setupRenderTarget(t):n.__hasExternalTextures&&it.rebindTextures(t,nt.get(t.texture).__webglTexture,nt.get(t.depthTexture).__webglTexture);const o=t.texture;(o.isData3DTexture||o.isDataArrayTexture||o.isCompressedArrayTexture)&&(a=!0);const l=nt.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=l[e],s=!0):r=Q.isWebGL2&&t.samples>0&&!1===it.useMultisampledRTT(t)?nt.get(t).__webglMultisampledFramebuffer:l,C.copy(t.viewport),L.copy(t.scissor),P=t.scissorTest}else C.copy(z).multiplyScalar(O).floor(),L.copy(G).multiplyScalar(O).floor(),P=H;if(tt.bindFramebuffer(Nt.FRAMEBUFFER,r)&&Q.drawBuffers&&i&&tt.drawBuffers(t,r),tt.viewport(C),tt.scissor(L),tt.setScissorTest(P),s){const i=nt.get(t.texture);Nt.framebufferTexture2D(Nt.FRAMEBUFFER,Nt.COLOR_ATTACHMENT0,Nt.TEXTURE_CUBE_MAP_POSITIVE_X+e,i.__webglTexture,n)}else if(a){const i=nt.get(t.texture),r=e||0;Nt.framebufferTextureLayer(Nt.FRAMEBUFFER,Nt.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}A=-1},this.readRenderTargetPixels=function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=nt.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){tt.bindFramebuffer(Nt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(o!==bt&&Lt.convert(o)!==Nt.getParameter(Nt.IMPLEMENTATION_COLOR_READ_FORMAT))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const c=l===_t&&($.has("EXT_color_buffer_half_float")||Q.isWebGL2&&$.has("EXT_color_buffer_float"));if(!(l===ut||Lt.convert(l)===Nt.getParameter(Nt.IMPLEMENTATION_COLOR_READ_TYPE)||l===vt&&(Q.isWebGL2||$.has("OES_texture_float")||$.has("WEBGL_color_buffer_float"))||c))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&Nt.readPixels(e,n,i,r,Lt.convert(o),Lt.convert(l),s)}finally{const t=null!==w?nt.get(w).__webglFramebuffer:null;tt.bindFramebuffer(Nt.FRAMEBUFFER,t)}}},this.copyFramebufferToTexture=function(t,e,n=0){const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),s=Math.floor(e.image.height*i);it.setTexture2D(e,0),Nt.copyTexSubImage2D(Nt.TEXTURE_2D,n,0,0,t.x,t.y,r,s),tt.unbindTexture()},this.copyTextureToTexture=function(t,e,n,i=0){const r=e.image.width,s=e.image.height,a=Lt.convert(n.format),o=Lt.convert(n.type);it.setTexture2D(n,0),Nt.pixelStorei(Nt.UNPACK_FLIP_Y_WEBGL,n.flipY),Nt.pixelStorei(Nt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n.premultiplyAlpha),Nt.pixelStorei(Nt.UNPACK_ALIGNMENT,n.unpackAlignment),e.isDataTexture?Nt.texSubImage2D(Nt.TEXTURE_2D,i,t.x,t.y,r,s,a,o,e.image.data):e.isCompressedTexture?Nt.compressedTexSubImage2D(Nt.TEXTURE_2D,i,t.x,t.y,e.mipmaps[0].width,e.mipmaps[0].height,a,e.mipmaps[0].data):Nt.texSubImage2D(Nt.TEXTURE_2D,i,t.x,t.y,a,o,e.image),0===i&&n.generateMipmaps&&Nt.generateMipmap(Nt.TEXTURE_2D),tt.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n,i,r=0){if(S.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const s=t.max.x-t.min.x+1,a=t.max.y-t.min.y+1,o=t.max.z-t.min.z+1,l=Lt.convert(i.format),c=Lt.convert(i.type);let h;if(i.isData3DTexture)it.setTexture3D(i,0),h=Nt.TEXTURE_3D;else{if(!i.isDataArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");it.setTexture2DArray(i,0),h=Nt.TEXTURE_2D_ARRAY}Nt.pixelStorei(Nt.UNPACK_FLIP_Y_WEBGL,i.flipY),Nt.pixelStorei(Nt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,i.premultiplyAlpha),Nt.pixelStorei(Nt.UNPACK_ALIGNMENT,i.unpackAlignment);const u=Nt.getParameter(Nt.UNPACK_ROW_LENGTH),d=Nt.getParameter(Nt.UNPACK_IMAGE_HEIGHT),p=Nt.getParameter(Nt.UNPACK_SKIP_PIXELS),m=Nt.getParameter(Nt.UNPACK_SKIP_ROWS),f=Nt.getParameter(Nt.UNPACK_SKIP_IMAGES),g=n.isCompressedTexture?n.mipmaps[0]:n.image;Nt.pixelStorei(Nt.UNPACK_ROW_LENGTH,g.width),Nt.pixelStorei(Nt.UNPACK_IMAGE_HEIGHT,g.height),Nt.pixelStorei(Nt.UNPACK_SKIP_PIXELS,t.min.x),Nt.pixelStorei(Nt.UNPACK_SKIP_ROWS,t.min.y),Nt.pixelStorei(Nt.UNPACK_SKIP_IMAGES,t.min.z),n.isDataTexture||n.isData3DTexture?Nt.texSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,c,g.data):n.isCompressedArrayTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),Nt.compressedTexSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,g.data)):Nt.texSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,c,g),Nt.pixelStorei(Nt.UNPACK_ROW_LENGTH,u),Nt.pixelStorei(Nt.UNPACK_IMAGE_HEIGHT,d),Nt.pixelStorei(Nt.UNPACK_SKIP_PIXELS,p),Nt.pixelStorei(Nt.UNPACK_SKIP_ROWS,m),Nt.pixelStorei(Nt.UNPACK_SKIP_IMAGES,f),0===r&&i.generateMipmaps&&Nt.generateMipmap(h),tt.unbindTexture()},this.initTexture=function(t){t.isCubeTexture?it.setTextureCube(t,0):t.isData3DTexture?it.setTexture3D(t,0):t.isDataArrayTexture||t.isCompressedArrayTexture?it.setTexture2DArray(t,0):it.setTexture2D(t,0),tt.unbindTexture()},this.resetState=function(){E=0,T=0,w=null,tt.reset(),Ut.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return Be}get physicallyCorrectLights(){return console.warn("THREE.WebGLRenderer: the property .physicallyCorrectLights has been removed. Set renderer.useLegacyLights instead."),!this.useLegacyLights}set physicallyCorrectLights(t){console.warn("THREE.WebGLRenderer: the property .physicallyCorrectLights has been removed. Set renderer.useLegacyLights instead."),this.useLegacyLights=!t}get outputEncoding(){return console.warn("THREE.WebGLRenderer: Property .outputEncoding has been removed. Use .outputColorSpace instead."),this.outputColorSpace===be?_e:ve}set outputEncoding(t){console.warn("THREE.WebGLRenderer: Property .outputEncoding has been removed. Use .outputColorSpace instead."),this.outputColorSpace=t===_e?be:Ee}}class Bo extends Fo{}Bo.prototype.isWebGL1Renderer=!0;class zo{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Ji(t),this.density=e}clone(){return new zo(this.color,this.density)}toJSON(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}}class Go{constructor(t,e=1,n=1e3){this.isFog=!0,this.name="",this.color=new Ji(t),this.near=e,this.far=n}clone(){return new Go(this.color,this.near,this.far)}toJSON(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}}class Ho extends Pi{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,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,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}get autoUpdate(){return console.warn("THREE.Scene: autoUpdate was renamed to matrixWorldAutoUpdate in r144."),this.matrixWorldAutoUpdate}set autoUpdate(t){console.warn("THREE.Scene: autoUpdate was renamed to matrixWorldAutoUpdate in r144."),this.matrixWorldAutoUpdate=t}}class ko{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=Ne,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=Xe()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}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,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;i<r;i++)this.array[t+i]=e.array[n+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=Xe()),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]),n=new this.constructor(e,this.stride);return n.setUsage(this.usage),n}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=Xe()),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 Vo=new Ln;class Wo{constructor(t,e,n,i=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=t,this.itemSize=e,this.offset=n,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,n=this.data.count;e<n;e++)Vo.fromBufferAttribute(this,e),Vo.applyMatrix4(t),this.setXYZ(e,Vo.x,Vo.y,Vo.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)Vo.fromBufferAttribute(this,e),Vo.applyNormalMatrix(t),this.setXYZ(e,Vo.x,Vo.y,Vo.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)Vo.fromBufferAttribute(this,e),Vo.transformDirection(t),this.setXYZ(e,Vo.x,Vo.y,Vo.z);return this}setX(t,e){return this.normalized&&(e=Qe(e,this.array)),this.data.array[t*this.data.stride+this.offset]=e,this}setY(t,e){return this.normalized&&(e=Qe(e,this.array)),this.data.array[t*this.data.stride+this.offset+1]=e,this}setZ(t,e){return this.normalized&&(e=Qe(e,this.array)),this.data.array[t*this.data.stride+this.offset+2]=e,this}setW(t,e){return this.normalized&&(e=Qe(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=$e(e,this.array)),e}getY(t){let e=this.data.array[t*this.data.stride+this.offset+1];return this.normalized&&(e=$e(e,this.array)),e}getZ(t){let e=this.data.array[t*this.data.stride+this.offset+2];return this.normalized&&(e=$e(e,this.array)),e}getW(t){let e=this.data.array[t*this.data.stride+this.offset+3];return this.normalized&&(e=$e(e,this.array)),e}setXY(t,e,n){return t=t*this.data.stride+this.offset,this.normalized&&(e=Qe(e,this.array),n=Qe(n,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=n,this}setXYZ(t,e,n,i){return t=t*this.data.stride+this.offset,this.normalized&&(e=Qe(e,this.array),n=Qe(n,this.array),i=Qe(i,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this}setXYZW(t,e,n,i,r){return t=t*this.data.stride+this.offset,this.normalized&&(e=Qe(e,this.array),n=Qe(n,this.array),i=Qe(i,this.array),r=Qe(r,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this.data.array[t+3]=r,this}clone(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const n=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[n+e])}return new ar(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 Wo(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const n=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[n+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}}}class Xo extends Xi{constructor(t){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new Ji(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}}let jo;const qo=new Ln,Yo=new Ln,Zo=new Ln,Jo=new en,Ko=new en,$o=new ai,Qo=new Ln,tl=new Ln,el=new Ln,nl=new en,il=new en,rl=new en;class sl extends Pi{constructor(t){if(super(),this.isSprite=!0,this.type="Sprite",void 0===jo){jo=new vr;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),e=new ko(t,5);jo.setIndex([0,1,2,0,2,3]),jo.setAttribute("position",new Wo(e,3,0,!1)),jo.setAttribute("uv",new Wo(e,2,3,!1))}this.geometry=jo,this.material=void 0!==t?t:new Xo,this.center=new en(.5,.5)}raycast(t,e){null===t.camera&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),Yo.setFromMatrixScale(this.matrixWorld),$o.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),Zo.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&Yo.multiplyScalar(-Zo.z);const n=this.material.rotation;let i,r;0!==n&&(r=Math.cos(n),i=Math.sin(n));const s=this.center;al(Qo.set(-.5,-.5,0),Zo,s,Yo,i,r),al(tl.set(.5,-.5,0),Zo,s,Yo,i,r),al(el.set(.5,.5,0),Zo,s,Yo,i,r),nl.set(0,0),il.set(1,0),rl.set(1,1);let a=t.ray.intersectTriangle(Qo,tl,el,!1,qo);if(null===a&&(al(tl.set(-.5,.5,0),Zo,s,Yo,i,r),il.set(0,1),a=t.ray.intersectTriangle(Qo,el,tl,!1,qo),null===a))return;const o=t.ray.origin.distanceTo(qo);o<t.near||o>t.far||e.push({distance:o,point:qo.clone(),uv:Vi.getInterpolation(qo,Qo,tl,el,nl,il,rl,new en),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 al(t,e,n,i,r,s){Jo.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(Ko.x=s*Jo.x-r*Jo.y,Ko.y=r*Jo.x+s*Jo.y):Ko.copy(Jo),t.copy(e),t.x+=Ko.x,t.y+=Ko.y,t.applyMatrix4($o)}const ol=new Ln,ll=new Ln;class cl extends Pi{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,n=e.length;t<n;t++){const n=e[t];this.addLevel(n.object.clone(),n.distance,n.hysteresis)}return this.autoUpdate=t.autoUpdate,this}addLevel(t,e=0,n=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:n,object:t}),this.add(t),this}getCurrentLevel(){return this._currentLevel}getObjectForDistance(t){const e=this.levels;if(e.length>0){let n,i;for(n=1,i=e.length;n<i;n++){let i=e[n].distance;if(e[n].object.visible&&(i-=i*e[n].hysteresis),t<i)break}return e[n-1].object}return null}raycast(t,e){if(this.levels.length>0){ol.setFromMatrixPosition(this.matrixWorld);const n=t.ray.origin.distanceTo(ol);this.getObjectForDistance(n).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){ol.setFromMatrixPosition(t.matrixWorld),ll.setFromMatrixPosition(this.matrixWorld);const n=ol.distanceTo(ll)/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),!(n>=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 n=this.levels;for(let t=0,i=n.length;t<i;t++){const i=n[t];e.object.levels.push({object:i.object.uuid,distance:i.distance,hysteresis:i.hysteresis})}return e}}const hl=new Ln,ul=new Tn,dl=new Tn,pl=new Ln,ml=new ai,fl=new Ln,gl=new Kn,vl=new ai,_l=new si;class yl extends Nr{constructor(t,e){super(t,e),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new ai,this.bindMatrixInverse=new ai,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const t=this.geometry;null===this.boundingBox&&(this.boundingBox=new Un),this.boundingBox.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)fl.fromBufferAttribute(e,t),this.applyBoneTransform(t,fl),this.boundingBox.expandByPoint(fl)}computeBoundingSphere(){const t=this.geometry;null===this.boundingSphere&&(this.boundingSphere=new Kn),this.boundingSphere.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)fl.fromBufferAttribute(e,t),this.applyBoneTransform(t,fl),this.boundingSphere.expandByPoint(fl)}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 n=this.material,i=this.matrixWorld;void 0!==n&&(null===this.boundingSphere&&this.computeBoundingSphere(),gl.copy(this.boundingSphere),gl.applyMatrix4(i),!1!==t.ray.intersectsSphere(gl)&&(vl.copy(i).invert(),_l.copy(t.ray).applyMatrix4(vl),null!==this.boundingBox&&!1===_l.intersectsBox(this.boundingBox)||this._computeIntersections(t,e,_l)))}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 Tn,e=this.geometry.attributes.skinWeight;for(let n=0,i=e.count;n<i;n++){t.fromBufferAttribute(e,n);const i=1/t.manhattanLength();i!==1/0?t.multiplyScalar(i):t.set(1,0,0,0),e.setXYZW(n,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(t,e){const n=this.skeleton,i=this.geometry;ul.fromBufferAttribute(i.attributes.skinIndex,t),dl.fromBufferAttribute(i.attributes.skinWeight,t),hl.copy(e).applyMatrix4(this.bindMatrix),e.set(0,0,0);for(let t=0;t<4;t++){const i=dl.getComponent(t);if(0!==i){const r=ul.getComponent(t);ml.multiplyMatrices(n.bones[r].matrixWorld,n.boneInverses[r]),e.addScaledVector(pl.copy(hl).applyMatrix4(ml),i)}}return e.applyMatrix4(this.bindMatrixInverse)}boneTransform(t,e){return console.warn("THREE.SkinnedMesh: .boneTransform() was renamed to .applyBoneTransform() in r151."),this.applyBoneTransform(t,e)}}class xl extends Pi{constructor(){super(),this.isBone=!0,this.type="Bone"}}class Ml extends En{constructor(t=null,e=1,n=1,i,r,s,a,o,l=st,c=st,h,u){super(null,s,a,o,l,c,i,r,h,u),this.isDataTexture=!0,this.image={data:t,width:e,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const Sl=new ai,bl=new ai;class El{constructor(t=[],e=[]){this.uuid=Xe(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,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){console.warn("THREE.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 ai)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new ai;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,n=this.boneMatrices,i=this.boneTexture;for(let i=0,r=t.length;i<r;i++){const r=t[i]?t[i].matrixWorld:bl;Sl.multiplyMatrices(r,e[i]),Sl.toArray(n,16*i)}null!==i&&(i.needsUpdate=!0)}clone(){return new El(this.bones,this.boneInverses)}computeBoneTexture(){let t=Math.sqrt(4*this.bones.length);t=Je(t),t=Math.max(t,4);const e=new Float32Array(t*t*4);e.set(this.boneMatrices);const n=new Ml(e,t,t,bt,vt);return n.needsUpdate=!0,this.boneMatrices=e,this.boneTexture=n,this.boneTextureSize=t,this}getBoneByName(t){for(let e=0,n=this.bones.length;e<n;e++){const n=this.bones[e];if(n.name===t)return n}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let n=0,i=t.bones.length;n<i;n++){const i=t.bones[n];let r=e[i];void 0===r&&(console.warn("THREE.Skeleton: No bone found with UUID:",i),r=new xl),this.bones.push(r),this.boneInverses.push((new ai).fromArray(t.boneInverses[n]))}return this.init(),this}toJSON(){const t={metadata:{version:4.6,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,n=this.boneInverses;for(let i=0,r=e.length;i<r;i++){const r=e[i];t.bones.push(r.uuid);const s=n[i];t.boneInverses.push(s.toArray())}return t}}class Tl extends ar{constructor(t,e,n,i=1){super(t,e,n),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 wl=new ai,Al=new ai,Rl=[],Cl=new Un,Ll=new ai,Pl=new Nr,Il=new Kn;class Ul extends Nr{constructor(t,e,n){super(t,e),this.isInstancedMesh=!0,this.instanceMatrix=new Tl(new Float32Array(16*n),16),this.instanceColor=null,this.count=n,this.boundingBox=null,this.boundingSphere=null;for(let t=0;t<n;t++)this.setMatrixAt(t,Ll)}computeBoundingBox(){const t=this.geometry,e=this.count;null===this.boundingBox&&(this.boundingBox=new Un),null===t.boundingBox&&t.computeBoundingBox(),this.boundingBox.makeEmpty();for(let n=0;n<e;n++)this.getMatrixAt(n,wl),Cl.copy(t.boundingBox).applyMatrix4(wl),this.boundingBox.union(Cl)}computeBoundingSphere(){const t=this.geometry,e=this.count;null===this.boundingSphere&&(this.boundingSphere=new Kn),null===t.boundingSphere&&t.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let n=0;n<e;n++)this.getMatrixAt(n,wl),Il.copy(t.boundingSphere).applyMatrix4(wl),this.boundingSphere.union(Il)}copy(t,e){return super.copy(t,e),this.instanceMatrix.copy(t.instanceMatrix),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){e.fromArray(this.instanceColor.array,3*t)}getMatrixAt(t,e){e.fromArray(this.instanceMatrix.array,16*t)}raycast(t,e){const n=this.matrixWorld,i=this.count;if(Pl.geometry=this.geometry,Pl.material=this.material,void 0!==Pl.material&&(null===this.boundingSphere&&this.computeBoundingSphere(),Il.copy(this.boundingSphere),Il.applyMatrix4(n),!1!==t.ray.intersectsSphere(Il)))for(let r=0;r<i;r++){this.getMatrixAt(r,wl),Al.multiplyMatrices(n,wl),Pl.matrixWorld=Al,Pl.raycast(t,Rl);for(let t=0,n=Rl.length;t<n;t++){const n=Rl[t];n.instanceId=r,n.object=this,e.push(n)}Rl.length=0}}setColorAt(t,e){null===this.instanceColor&&(this.instanceColor=new Tl(new Float32Array(3*this.instanceMatrix.count),3)),e.toArray(this.instanceColor.array,3*t)}setMatrixAt(t,e){e.toArray(this.instanceMatrix.array,16*t)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"})}}class Dl extends Xi{constructor(t){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new Ji(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 Nl=new Ln,Ol=new Ln,Fl=new ai,Bl=new si,zl=new Kn;class Gl extends Pi{constructor(t=new vr,e=new Dl){super(),this.isLine=!0,this.type="Line",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=t.material,this.geometry=t.geometry,this}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,n=[0];for(let t=1,i=e.count;t<i;t++)Nl.fromBufferAttribute(e,t-1),Ol.fromBufferAttribute(e,t),n[t]=n[t-1],n[t]+=Nl.distanceTo(Ol);t.setAttribute("lineDistance",new cr(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(t,e){const n=this.geometry,i=this.matrixWorld,r=t.params.Line.threshold,s=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),zl.copy(n.boundingSphere),zl.applyMatrix4(i),zl.radius+=r,!1===t.ray.intersectsSphere(zl))return;Fl.copy(i).invert(),Bl.copy(t.ray).applyMatrix4(Fl);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=new Ln,c=new Ln,h=new Ln,u=new Ln,d=this.isLineSegments?2:1,p=n.index,m=n.attributes.position;if(null!==p){for(let n=Math.max(0,s.start),i=Math.min(p.count,s.start+s.count)-1;n<i;n+=d){const i=p.getX(n),r=p.getX(n+1);l.fromBufferAttribute(m,i),c.fromBufferAttribute(m,r);if(Bl.distanceSqToSegment(l,c,u,h)>o)continue;u.applyMatrix4(this.matrixWorld);const s=t.ray.origin.distanceTo(u);s<t.near||s>t.far||e.push({distance:s,point:h.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}else{for(let n=Math.max(0,s.start),i=Math.min(m.count,s.start+s.count)-1;n<i;n+=d){l.fromBufferAttribute(m,n),c.fromBufferAttribute(m,n+1);if(Bl.distanceSqToSegment(l,c,u,h)>o)continue;u.applyMatrix4(this.matrixWorld);const i=t.ray.origin.distanceTo(u);i<t.near||i>t.far||e.push({distance:i,point:h.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t<e;t++){const e=n[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}const Hl=new Ln,kl=new Ln;class Vl extends Gl{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,n=[];for(let t=0,i=e.count;t<i;t+=2)Hl.fromBufferAttribute(e,t),kl.fromBufferAttribute(e,t+1),n[t]=0===t?0:n[t-1],n[t+1]=n[t]+Hl.distanceTo(kl);t.setAttribute("lineDistance",new cr(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Wl extends Gl{constructor(t,e){super(t,e),this.isLineLoop=!0,this.type="LineLoop"}}class Xl extends Xi{constructor(t){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new Ji(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 jl=new ai,ql=new si,Yl=new Kn,Zl=new Ln;class Jl extends Pi{constructor(t=new vr,e=new Xl){super(),this.isPoints=!0,this.type="Points",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=t.material,this.geometry=t.geometry,this}raycast(t,e){const n=this.geometry,i=this.matrixWorld,r=t.params.Points.threshold,s=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),Yl.copy(n.boundingSphere),Yl.applyMatrix4(i),Yl.radius+=r,!1===t.ray.intersectsSphere(Yl))return;jl.copy(i).invert(),ql.copy(t.ray).applyMatrix4(jl);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=n.index,c=n.attributes.position;if(null!==l){for(let n=Math.max(0,s.start),r=Math.min(l.count,s.start+s.count);n<r;n++){const r=l.getX(n);Zl.fromBufferAttribute(c,r),Kl(Zl,r,o,i,t,e,this)}}else{for(let n=Math.max(0,s.start),r=Math.min(c.count,s.start+s.count);n<r;n++)Zl.fromBufferAttribute(c,n),Kl(Zl,n,o,i,t,e,this)}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t<e;t++){const e=n[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function Kl(t,e,n,i,r,s,a){const o=ql.distanceSqToPoint(t);if(o<n){const n=new Ln;ql.closestPointToPoint(t,n),n.applyMatrix4(i);const l=r.ray.origin.distanceTo(n);if(l<r.near||l>r.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}class $l extends En{constructor(t,e,n,i,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,i,r,h,u),this.isCompressedTexture=!0,this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class Ql{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/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 n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const c=n[i];return(i+(s-c)/(n[i+1]-c))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new en:new Ln);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new Ln,i=[],r=[],s=[],a=new Ln,o=new ai;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new Ln)}r[0]=new Ln,s[0]=new Ln;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),h=Math.abs(i[0].y),u=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),h<=l&&(l=h,n.set(0,1,0)),u<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(je(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(je(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class tc extends Ql{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e){const n=e||new en,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(r=s?0:i),!0!==this.aClockwise||s||(r===i?r=-i:r-=i);const a=this.aStartAngle+t*r;let o=this.aX+this.xRadius*Math.cos(a),l=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),n=o-this.aX,i=l-this.aY;o=n*t-i*e+this.aX,l=n*e+i*t+this.aY}return n.set(o,l)}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 ec extends tc{constructor(t,e,n,i,r,s){super(t,e,n,n,i,r,s),this.isArcCurve=!0,this.type="ArcCurve"}}function nc(){let t=0,e=0,n=0,i=0;function r(r,s,a,o){t=r,e=a,n=-3*r+3*s-2*a-o,i=2*r-2*s+a+o}return{initCatmullRom:function(t,e,n,i,s){r(e,n,s*(n-t),s*(i-e))},initNonuniformCatmullRom:function(t,e,n,i,s,a,o){let l=(e-t)/s-(n-t)/(s+a)+(n-e)/a,c=(n-e)/a-(i-e)/(a+o)+(i-n)/o;l*=a,c*=a,r(e,n,l,c)},calc:function(r){const s=r*r;return t+e*r+n*s+i*(s*r)}}}const ic=new Ln,rc=new nc,sc=new nc,ac=new nc;class oc extends Ql{constructor(t=[],e=!1,n="centripetal",i=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=n,this.tension=i}getPoint(t,e=new Ln){const n=e,i=this.points,r=i.length,s=(r-(this.closed?0:1))*t;let a,o,l=Math.floor(s),c=s-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?a=i[(l-1)%r]:(ic.subVectors(i[0],i[1]).add(i[0]),a=ic);const h=i[l%r],u=i[(l+1)%r];if(this.closed||l+2<r?o=i[(l+2)%r]:(ic.subVectors(i[r-1],i[r-2]).add(i[r-1]),o=ic),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(a.distanceToSquared(h),t),n=Math.pow(h.distanceToSquared(u),t),i=Math.pow(u.distanceToSquared(o),t);n<1e-4&&(n=1),e<1e-4&&(e=n),i<1e-4&&(i=n),rc.initNonuniformCatmullRom(a.x,h.x,u.x,o.x,e,n,i),sc.initNonuniformCatmullRom(a.y,h.y,u.y,o.y,e,n,i),ac.initNonuniformCatmullRom(a.z,h.z,u.z,o.z,e,n,i)}else"catmullrom"===this.curveType&&(rc.initCatmullRom(a.x,h.x,u.x,o.x,this.tension),sc.initCatmullRom(a.y,h.y,u.y,o.y,this.tension),ac.initCatmullRom(a.z,h.z,u.z,o.z,this.tension));return n.set(rc.calc(c),sc.calc(c),ac.calc(c)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.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,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.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,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new Ln).fromArray(n))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}}function lc(t,e,n,i,r){const s=.5*(i-e),a=.5*(r-n),o=t*t;return(2*n-2*i+s+a)*(t*o)+(-3*n+3*i-2*s-a)*o+s*t+n}function cc(t,e,n,i){return function(t,e){const n=1-t;return n*n*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,n)+function(t,e){return t*t*e}(t,i)}function hc(t,e,n,i,r){return function(t,e){const n=1-t;return n*n*n*e}(t,e)+function(t,e){const n=1-t;return 3*n*n*t*e}(t,n)+function(t,e){return 3*(1-t)*t*t*e}(t,i)+function(t,e){return t*t*t*e}(t,r)}class uc extends Ql{constructor(t=new en,e=new en,n=new en,i=new en){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new en){const n=e,i=this.v0,r=this.v1,s=this.v2,a=this.v3;return n.set(hc(t,i.x,r.x,s.x,a.x),hc(t,i.y,r.y,s.y,a.y)),n}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 dc extends Ql{constructor(t=new Ln,e=new Ln,n=new Ln,i=new Ln){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new Ln){const n=e,i=this.v0,r=this.v1,s=this.v2,a=this.v3;return n.set(hc(t,i.x,r.x,s.x,a.x),hc(t,i.y,r.y,s.y,a.y),hc(t,i.z,r.z,s.z,a.z)),n}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 pc extends Ql{constructor(t=new en,e=new en){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new en){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new en){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 mc extends Ql{constructor(t=new Ln,e=new Ln){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=t,this.v2=e}getPoint(t,e=new Ln){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new Ln){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 fc extends Ql{constructor(t=new en,e=new en,n=new en){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new en){const n=e,i=this.v0,r=this.v1,s=this.v2;return n.set(cc(t,i.x,r.x,s.x),cc(t,i.y,r.y,s.y)),n}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 gc extends Ql{constructor(t=new Ln,e=new Ln,n=new Ln){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new Ln){const n=e,i=this.v0,r=this.v1,s=this.v2;return n.set(cc(t,i.x,r.x,s.x),cc(t,i.y,r.y,s.y),cc(t,i.z,r.z,s.z)),n}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 vc extends Ql{constructor(t=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=t}getPoint(t,e=new en){const n=e,i=this.points,r=(i.length-1)*t,s=Math.floor(r),a=r-s,o=i[0===s?s:s-1],l=i[s],c=i[s>i.length-2?i.length-1:s+1],h=i[s>i.length-3?i.length-1:s+2];return n.set(lc(a,o.x,l.x,c.x,h.x),lc(a,o.y,l.y,c.y,h.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new en).fromArray(n))}return this}}var _c=Object.freeze({__proto__:null,ArcCurve:ec,CatmullRomCurve3:oc,CubicBezierCurve:uc,CubicBezierCurve3:dc,EllipseCurve:tc,LineCurve:pc,LineCurve3:mc,QuadraticBezierCurve:fc,QuadraticBezierCurve3:gc,SplineCurve:vc});class yc extends Ql{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);t.equals(e)||this.curves.push(new pc(e,t))}getPoint(t,e){const n=t*this.getLength(),i=this.getCurveLengths();let r=0;for(;r<i.length;){if(i[r]>=n){const t=i[r]-n,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.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 n=0,i=this.curves.length;n<i;n++)e+=this.curves[n].getLength(),t.push(e);return this.cacheLengths=t,t}getSpacedPoints(t=40){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return this.autoClose&&e.push(e[0]),e}getPoints(t=12){const e=[];let n;for(let i=0,r=this.curves;i<r.length;i++){const s=r[i],a=s.isEllipseCurve?2*t:s.isLineCurve||s.isLineCurve3?1:s.isSplineCurve?t*s.points.length:t,o=s.getPoints(a);for(let t=0;t<o.length;t++){const i=o[t];n&&n.equals(i)||(e.push(i),n=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,n=t.curves.length;e<n;e++){const n=t.curves[e];this.curves.push(n.clone())}return this.autoClose=t.autoClose,this}toJSON(){const t=super.toJSON();t.autoClose=this.autoClose,t.curves=[];for(let e=0,n=this.curves.length;e<n;e++){const n=this.curves[e];t.curves.push(n.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let e=0,n=t.curves.length;e<n;e++){const n=t.curves[e];this.curves.push((new _c[n.type]).fromJSON(n))}return this}}class xc extends yc{constructor(t){super(),this.type="Path",this.currentPoint=new en,t&&this.setFromPoints(t)}setFromPoints(t){this.moveTo(t[0].x,t[0].y);for(let e=1,n=t.length;e<n;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 n=new pc(this.currentPoint.clone(),new en(t,e));return this.curves.push(n),this.currentPoint.set(t,e),this}quadraticCurveTo(t,e,n,i){const r=new fc(this.currentPoint.clone(),new en(t,e),new en(n,i));return this.curves.push(r),this.currentPoint.set(n,i),this}bezierCurveTo(t,e,n,i,r,s){const a=new uc(this.currentPoint.clone(),new en(t,e),new en(n,i),new en(r,s));return this.curves.push(a),this.currentPoint.set(r,s),this}splineThru(t){const e=[this.currentPoint.clone()].concat(t),n=new vc(e);return this.curves.push(n),this.currentPoint.copy(t[t.length-1]),this}arc(t,e,n,i,r,s){const a=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(t+a,e+o,n,i,r,s),this}absarc(t,e,n,i,r,s){return this.absellipse(t,e,n,n,i,r,s),this}ellipse(t,e,n,i,r,s,a,o){const l=this.currentPoint.x,c=this.currentPoint.y;return this.absellipse(t+l,e+c,n,i,r,s,a,o),this}absellipse(t,e,n,i,r,s,a,o){const l=new tc(t,e,n,i,r,s,a,o);if(this.curves.length>0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),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 Mc extends vr{constructor(t=[new en(0,-.5),new en(.5,0),new en(0,.5)],e=12,n=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:n,phiLength:i},e=Math.floor(e),i=je(i,0,2*Math.PI);const r=[],s=[],a=[],o=[],l=[],c=1/e,h=new Ln,u=new en,d=new Ln,p=new Ln,m=new Ln;let f=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,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:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,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=n+r*c*i,p=Math.sin(d),m=Math.cos(d);for(let n=0;n<=t.length-1;n++){h.x=t[n].x*p,h.y=t[n].y,h.z=t[n].x*m,s.push(h.x,h.y,h.z),u.x=r/e,u.y=n/(t.length-1),a.push(u.x,u.y);const i=o[3*n+0]*p,c=o[3*n+1],d=o[3*n+0]*m;l.push(i,c,d)}}for(let n=0;n<e;n++)for(let e=0;e<t.length-1;e++){const i=e+n*t.length,s=i,a=i+t.length,o=i+t.length+1,l=i+1;r.push(s,a,l),r.push(o,l,a)}this.setIndex(r),this.setAttribute("position",new cr(s,3)),this.setAttribute("uv",new cr(a,2)),this.setAttribute("normal",new cr(l,3))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Mc(t.points,t.segments,t.phiStart,t.phiLength)}}class Sc extends Mc{constructor(t=1,e=1,n=4,i=8){const r=new xc;r.absarc(0,-e/2,t,1.5*Math.PI,0),r.absarc(0,e/2,t,0,.5*Math.PI),super(r.getPoints(n),i),this.type="CapsuleGeometry",this.parameters={radius:t,height:e,capSegments:n,radialSegments:i}}static fromJSON(t){return new Sc(t.radius,t.length,t.capSegments,t.radialSegments)}}class bc extends vr{constructor(t=1,e=32,n=0,i=2*Math.PI){super(),this.type="CircleGeometry",this.parameters={radius:t,segments:e,thetaStart:n,thetaLength:i},e=Math.max(3,e);const r=[],s=[],a=[],o=[],l=new Ln,c=new en;s.push(0,0,0),a.push(0,0,1),o.push(.5,.5);for(let r=0,h=3;r<=e;r++,h+=3){const u=n+r/e*i;l.x=t*Math.cos(u),l.y=t*Math.sin(u),s.push(l.x,l.y,l.z),a.push(0,0,1),c.x=(s[h]/t+1)/2,c.y=(s[h+1]/t+1)/2,o.push(c.x,c.y)}for(let t=1;t<=e;t++)r.push(t,t+1,0);this.setIndex(r),this.setAttribute("position",new cr(s,3)),this.setAttribute("normal",new cr(a,3)),this.setAttribute("uv",new cr(o,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new bc(t.radius,t.segments,t.thetaStart,t.thetaLength)}}class Ec extends vr{constructor(t=1,e=1,n=1,i=32,r=1,s=!1,a=0,o=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:t,radiusBottom:e,height:n,radialSegments:i,heightSegments:r,openEnded:s,thetaStart:a,thetaLength:o};const l=this;i=Math.floor(i),r=Math.floor(r);const c=[],h=[],u=[],d=[];let p=0;const m=[],f=n/2;let g=0;function v(n){const r=p,s=new en,m=new Ln;let v=0;const _=!0===n?t:e,y=!0===n?1:-1;for(let t=1;t<=i;t++)h.push(0,f*y,0),u.push(0,y,0),d.push(.5,.5),p++;const x=p;for(let t=0;t<=i;t++){const e=t/i*o+a,n=Math.cos(e),r=Math.sin(e);m.x=_*r,m.y=f*y,m.z=_*n,h.push(m.x,m.y,m.z),u.push(0,y,0),s.x=.5*n+.5,s.y=.5*r*y+.5,d.push(s.x,s.y),p++}for(let t=0;t<i;t++){const e=r+t,i=x+t;!0===n?c.push(i,i+1,e):c.push(i+1,i,e),v+=3}l.addGroup(g,v,!0===n?1:2),g+=v}!function(){const s=new Ln,v=new Ln;let _=0;const y=(e-t)/n;for(let l=0;l<=r;l++){const c=[],g=l/r,_=g*(e-t)+t;for(let t=0;t<=i;t++){const e=t/i,r=e*o+a,l=Math.sin(r),m=Math.cos(r);v.x=_*l,v.y=-g*n+f,v.z=_*m,h.push(v.x,v.y,v.z),s.set(l,y,m).normalize(),u.push(s.x,s.y,s.z),d.push(e,1-g),c.push(p++)}m.push(c)}for(let t=0;t<i;t++)for(let e=0;e<r;e++){const n=m[e][t],i=m[e+1][t],r=m[e+1][t+1],s=m[e][t+1];c.push(n,i,s),c.push(i,r,s),_+=6}l.addGroup(g,_,0),g+=_}(),!1===s&&(t>0&&v(!0),e>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new cr(h,3)),this.setAttribute("normal",new cr(u,3)),this.setAttribute("uv",new cr(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Ec(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class Tc extends Ec{constructor(t=1,e=1,n=32,i=1,r=!1,s=0,a=2*Math.PI){super(0,t,e,n,i,r,s,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:n,heightSegments:i,openEnded:r,thetaStart:s,thetaLength:a}}static fromJSON(t){return new Tc(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class wc extends vr{constructor(t=[],e=[],n=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:n,detail:i};const r=[],s=[];function a(t,e,n,i){const r=i+1,s=[];for(let i=0;i<=r;i++){s[i]=[];const a=t.clone().lerp(n,i/r),o=e.clone().lerp(n,i/r),l=r-i;for(let t=0;t<=l;t++)s[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/l)}for(let t=0;t<r;t++)for(let e=0;e<2*(r-t)-1;e++){const n=Math.floor(e/2);e%2==0?(o(s[t][n+1]),o(s[t+1][n]),o(s[t][n])):(o(s[t][n+1]),o(s[t+1][n+1]),o(s[t+1][n]))}}function o(t){r.push(t.x,t.y,t.z)}function l(e,n){const i=3*e;n.x=t[i+0],n.y=t[i+1],n.z=t[i+2]}function c(t,e,n,i){i<0&&1===t.x&&(s[e]=t.x-1),0===n.x&&0===n.z&&(s[e]=i/2/Math.PI+.5)}function h(t){return Math.atan2(t.z,-t.x)}!function(t){const n=new Ln,i=new Ln,r=new Ln;for(let s=0;s<e.length;s+=3)l(e[s+0],n),l(e[s+1],i),l(e[s+2],r),a(n,i,r,t)}(i),function(t){const e=new Ln;for(let n=0;n<r.length;n+=3)e.x=r[n+0],e.y=r[n+1],e.z=r[n+2],e.normalize().multiplyScalar(t),r[n+0]=e.x,r[n+1]=e.y,r[n+2]=e.z}(n),function(){const t=new Ln;for(let n=0;n<r.length;n+=3){t.x=r[n+0],t.y=r[n+1],t.z=r[n+2];const i=h(t)/2/Math.PI+.5,a=(e=t,Math.atan2(-e.y,Math.sqrt(e.x*e.x+e.z*e.z))/Math.PI+.5);s.push(i,1-a)}var e;(function(){const t=new Ln,e=new Ln,n=new Ln,i=new Ln,a=new en,o=new en,l=new en;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]),n.set(r[u+6],r[u+7],r[u+8]),a.set(s[d+0],s[d+1]),o.set(s[d+2],s[d+3]),l.set(s[d+4],s[d+5]),i.copy(t).add(e).add(n).divideScalar(3);const p=h(i);c(a,d+0,t,p),c(o,d+2,e,p),c(l,d+4,n,p)}})(),function(){for(let t=0;t<s.length;t+=6){const e=s[t+0],n=s[t+2],i=s[t+4],r=Math.max(e,n,i),a=Math.min(e,n,i);r>.9&&a<.1&&(e<.2&&(s[t+0]+=1),n<.2&&(s[t+2]+=1),i<.2&&(s[t+4]+=1))}}()}(),this.setAttribute("position",new cr(r,3)),this.setAttribute("normal",new cr(r.slice(),3)),this.setAttribute("uv",new cr(s,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 wc(t.vertices,t.indices,t.radius,t.details)}}class Ac extends wc{constructor(t=1,e=0){const n=(1+Math.sqrt(5))/2,i=1/n;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,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,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 Ac(t.radius,t.detail)}}const Rc=new Ln,Cc=new Ln,Lc=new Ln,Pc=new Vi;class Ic extends vr{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const n=4,i=Math.pow(10,n),r=Math.cos(Ve*e),s=t.getIndex(),a=t.getAttribute("position"),o=s?s.count:a.count,l=[0,0,0],c=["a","b","c"],h=new Array(3),u={},d=[];for(let t=0;t<o;t+=3){s?(l[0]=s.getX(t),l[1]=s.getX(t+1),l[2]=s.getX(t+2)):(l[0]=t,l[1]=t+1,l[2]=t+2);const{a:e,b:n,c:o}=Pc;if(e.fromBufferAttribute(a,l[0]),n.fromBufferAttribute(a,l[1]),o.fromBufferAttribute(a,l[2]),Pc.getNormal(Lc),h[0]=`${Math.round(e.x*i)},${Math.round(e.y*i)},${Math.round(e.z*i)}`,h[1]=`${Math.round(n.x*i)},${Math.round(n.y*i)},${Math.round(n.z*i)}`,h[2]=`${Math.round(o.x*i)},${Math.round(o.y*i)},${Math.round(o.z*i)}`,h[0]!==h[1]&&h[1]!==h[2]&&h[2]!==h[0])for(let t=0;t<3;t++){const e=(t+1)%3,n=h[t],i=h[e],s=Pc[c[t]],a=Pc[c[e]],o=`${n}_${i}`,p=`${i}_${n}`;p in u&&u[p]?(Lc.dot(u[p].normal)<=r&&(d.push(s.x,s.y,s.z),d.push(a.x,a.y,a.z)),u[p]=null):o in u||(u[o]={index0:l[t],index1:l[e],normal:Lc.clone()})}}for(const t in u)if(u[t]){const{index0:e,index1:n}=u[t];Rc.fromBufferAttribute(a,e),Cc.fromBufferAttribute(a,n),d.push(Rc.x,Rc.y,Rc.z),d.push(Cc.x,Cc.y,Cc.z)}this.setAttribute("position",new cr(d,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}class Uc extends xc{constructor(t){super(t),this.uuid=Xe(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let n=0,i=this.holes.length;n<i;n++)e[n]=this.holes[n].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,n=t.holes.length;e<n;e++){const n=t.holes[e];this.holes.push(n.clone())}return this}toJSON(){const t=super.toJSON();t.uuid=this.uuid,t.holes=[];for(let e=0,n=this.holes.length;e<n;e++){const n=this.holes[e];t.holes.push(n.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.uuid=t.uuid,this.holes=[];for(let e=0,n=t.holes.length;e<n;e++){const n=t.holes[e];this.holes.push((new xc).fromJSON(n))}return this}}const Dc=function(t,e,n=2){const i=e&&e.length,r=i?e[0]*n:t.length;let s=Nc(t,0,r,n,!0);const a=[];if(!s||s.next===s.prev)return a;let o,l,c,h,u,d,p;if(i&&(s=function(t,e,n,i){const r=[];let s,a,o,l,c;for(s=0,a=e.length;s<a;s++)o=e[s]*i,l=s<a-1?e[s+1]*i:t.length,c=Nc(t,o,l,i,!1),c===c.next&&(c.steiner=!0),r.push(jc(c));for(r.sort(kc),s=0;s<r.length;s++)n=Vc(r[s],n);return n}(t,e,s,n)),t.length>80*n){o=c=t[0],l=h=t[1];for(let e=n;e<r;e+=n)u=t[e],d=t[e+1],u<o&&(o=u),d<l&&(l=d),u>c&&(c=u),d>h&&(h=d);p=Math.max(c-o,h-l),p=0!==p?32767/p:0}return Fc(s,a,n,o,l,p,0),a};function Nc(t,e,n,i,r){let s,a;if(r===function(t,e,n,i){let r=0;for(let s=e,a=n-i;s<n;s+=i)r+=(t[a]-t[s])*(t[s+1]+t[a+1]),a=s;return r}(t,e,n,i)>0)for(s=e;s<n;s+=i)a=nh(s,t[s],t[s+1],a);else for(s=n-i;s>=e;s-=i)a=nh(s,t[s],t[s+1],a);return a&&Jc(a,a.next)&&(ih(a),a=a.next),a}function Oc(t,e){if(!t)return t;e||(e=t);let n,i=t;do{if(n=!1,i.steiner||!Jc(i,i.next)&&0!==Zc(i.prev,i,i.next))i=i.next;else{if(ih(i),i=e=i.prev,i===i.next)break;n=!0}}while(n||i!==e);return e}function Fc(t,e,n,i,r,s,a){if(!t)return;!a&&s&&function(t,e,n,i){let r=t;do{0===r.z&&(r.z=Xc(r.x,r.y,e,n,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,n,i,r,s,a,o,l,c=1;do{for(n=t,t=null,s=null,a=0;n;){for(a++,i=n,o=0,e=0;e<c&&(o++,i=i.nextZ,i);e++);for(l=c;o>0||l>0&&i;)0!==o&&(0===l||!i||n.z<=i.z)?(r=n,n=n.nextZ,o--):(r=i,i=i.nextZ,l--),s?s.nextZ=r:t=r,r.prevZ=s,s=r;n=i}s.nextZ=null,c*=2}while(a>1)}(r)}(t,i,r,s);let o,l,c=t;for(;t.prev!==t.next;)if(o=t.prev,l=t.next,s?zc(t,i,r,s):Bc(t))e.push(o.i/n|0),e.push(t.i/n|0),e.push(l.i/n|0),ih(t),t=l.next,c=l.next;else if((t=l)===c){a?1===a?Fc(t=Gc(Oc(t),e,n),e,n,i,r,s,2):2===a&&Hc(t,e,n,i,r,s):Fc(Oc(t),e,n,i,r,s,1);break}}function Bc(t){const e=t.prev,n=t,i=t.next;if(Zc(e,n,i)>=0)return!1;const r=e.x,s=n.x,a=i.x,o=e.y,l=n.y,c=i.y,h=r<s?r<a?r:a:s<a?s:a,u=o<l?o<c?o:c:l<c?l:c,d=r>s?r>a?r:a:s>a?s:a,p=o>l?o>c?o:c:l>c?l:c;let m=i.next;for(;m!==e;){if(m.x>=h&&m.x<=d&&m.y>=u&&m.y<=p&&qc(r,o,s,l,a,c,m.x,m.y)&&Zc(m.prev,m,m.next)>=0)return!1;m=m.next}return!0}function zc(t,e,n,i){const r=t.prev,s=t,a=t.next;if(Zc(r,s,a)>=0)return!1;const o=r.x,l=s.x,c=a.x,h=r.y,u=s.y,d=a.y,p=o<l?o<c?o:c:l<c?l:c,m=h<u?h<d?h:d:u<d?u:d,f=o>l?o>c?o:c:l>c?l:c,g=h>u?h>d?h:d:u>d?u:d,v=Xc(p,m,e,n,i),_=Xc(f,g,e,n,i);let y=t.prevZ,x=t.nextZ;for(;y&&y.z>=v&&x&&x.z<=_;){if(y.x>=p&&y.x<=f&&y.y>=m&&y.y<=g&&y!==r&&y!==a&&qc(o,h,l,u,c,d,y.x,y.y)&&Zc(y.prev,y,y.next)>=0)return!1;if(y=y.prevZ,x.x>=p&&x.x<=f&&x.y>=m&&x.y<=g&&x!==r&&x!==a&&qc(o,h,l,u,c,d,x.x,x.y)&&Zc(x.prev,x,x.next)>=0)return!1;x=x.nextZ}for(;y&&y.z>=v;){if(y.x>=p&&y.x<=f&&y.y>=m&&y.y<=g&&y!==r&&y!==a&&qc(o,h,l,u,c,d,y.x,y.y)&&Zc(y.prev,y,y.next)>=0)return!1;y=y.prevZ}for(;x&&x.z<=_;){if(x.x>=p&&x.x<=f&&x.y>=m&&x.y<=g&&x!==r&&x!==a&&qc(o,h,l,u,c,d,x.x,x.y)&&Zc(x.prev,x,x.next)>=0)return!1;x=x.nextZ}return!0}function Gc(t,e,n){let i=t;do{const r=i.prev,s=i.next.next;!Jc(r,s)&&Kc(r,i,i.next,s)&&th(r,s)&&th(s,r)&&(e.push(r.i/n|0),e.push(i.i/n|0),e.push(s.i/n|0),ih(i),ih(i.next),i=t=s),i=i.next}while(i!==t);return Oc(i)}function Hc(t,e,n,i,r,s){let a=t;do{let t=a.next.next;for(;t!==a.prev;){if(a.i!==t.i&&Yc(a,t)){let o=eh(a,t);return a=Oc(a,a.next),o=Oc(o,o.next),Fc(a,e,n,i,r,s,0),void Fc(o,e,n,i,r,s,0)}t=t.next}a=a.next}while(a!==t)}function kc(t,e){return t.x-e.x}function Vc(t,e){const n=function(t,e){let n,i=e,r=-1/0;const s=t.x,a=t.y;do{if(a<=i.y&&a>=i.next.y&&i.next.y!==i.y){const t=i.x+(a-i.y)*(i.next.x-i.x)/(i.next.y-i.y);if(t<=s&&t>r&&(r=t,n=i.x<i.next.x?i:i.next,t===s))return n}i=i.next}while(i!==e);if(!n)return null;const o=n,l=n.x,c=n.y;let h,u=1/0;i=n;do{s>=i.x&&i.x>=l&&s!==i.x&&qc(a<c?s:r,a,l,c,a<c?r:s,a,i.x,i.y)&&(h=Math.abs(a-i.y)/(s-i.x),th(i,t)&&(h<u||h===u&&(i.x>n.x||i.x===n.x&&Wc(n,i)))&&(n=i,u=h)),i=i.next}while(i!==o);return n}(t,e);if(!n)return e;const i=eh(n,t);return Oc(i,i.next),Oc(n,n.next)}function Wc(t,e){return Zc(t.prev,t,e.prev)<0&&Zc(e.next,t,t.next)<0}function Xc(t,e,n,i,r){return(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=(t-n)*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 jc(t){let e=t,n=t;do{(e.x<n.x||e.x===n.x&&e.y<n.y)&&(n=e),e=e.next}while(e!==t);return n}function qc(t,e,n,i,r,s,a,o){return(r-a)*(e-o)>=(t-a)*(s-o)&&(t-a)*(i-o)>=(n-a)*(e-o)&&(n-a)*(s-o)>=(r-a)*(i-o)}function Yc(t,e){return t.next.i!==e.i&&t.prev.i!==e.i&&!function(t,e){let n=t;do{if(n.i!==t.i&&n.next.i!==t.i&&n.i!==e.i&&n.next.i!==e.i&&Kc(n,n.next,t,e))return!0;n=n.next}while(n!==t);return!1}(t,e)&&(th(t,e)&&th(e,t)&&function(t,e){let n=t,i=!1;const r=(t.x+e.x)/2,s=(t.y+e.y)/2;do{n.y>s!=n.next.y>s&&n.next.y!==n.y&&r<(n.next.x-n.x)*(s-n.y)/(n.next.y-n.y)+n.x&&(i=!i),n=n.next}while(n!==t);return i}(t,e)&&(Zc(t.prev,t,e.prev)||Zc(t,e.prev,e))||Jc(t,e)&&Zc(t.prev,t,t.next)>0&&Zc(e.prev,e,e.next)>0)}function Zc(t,e,n){return(e.y-t.y)*(n.x-e.x)-(e.x-t.x)*(n.y-e.y)}function Jc(t,e){return t.x===e.x&&t.y===e.y}function Kc(t,e,n,i){const r=Qc(Zc(t,e,n)),s=Qc(Zc(t,e,i)),a=Qc(Zc(n,i,t)),o=Qc(Zc(n,i,e));return r!==s&&a!==o||(!(0!==r||!$c(t,n,e))||(!(0!==s||!$c(t,i,e))||(!(0!==a||!$c(n,t,i))||!(0!==o||!$c(n,e,i)))))}function $c(t,e,n){return e.x<=Math.max(t.x,n.x)&&e.x>=Math.min(t.x,n.x)&&e.y<=Math.max(t.y,n.y)&&e.y>=Math.min(t.y,n.y)}function Qc(t){return t>0?1:t<0?-1:0}function th(t,e){return Zc(t.prev,t,t.next)<0?Zc(t,e,t.next)>=0&&Zc(t,t.prev,e)>=0:Zc(t,e,t.prev)<0||Zc(t,t.next,e)<0}function eh(t,e){const n=new rh(t.i,t.x,t.y),i=new rh(e.i,e.x,e.y),r=t.next,s=e.prev;return t.next=e,e.prev=t,n.next=r,r.prev=n,i.next=n,n.prev=i,s.next=i,i.prev=s,i}function nh(t,e,n,i){const r=new rh(t,e,n);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function ih(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 rh(t,e,n){this.i=t,this.x=e,this.y=n,this.prev=null,this.next=null,this.z=0,this.prevZ=null,this.nextZ=null,this.steiner=!1}class sh{static area(t){const e=t.length;let n=0;for(let i=e-1,r=0;r<e;i=r++)n+=t[i].x*t[r].y-t[r].x*t[i].y;return.5*n}static isClockWise(t){return sh.area(t)<0}static triangulateShape(t,e){const n=[],i=[],r=[];ah(t),oh(n,t);let s=t.length;e.forEach(ah);for(let t=0;t<e.length;t++)i.push(s),s+=e[t].length,oh(n,e[t]);const a=Dc(n,i);for(let t=0;t<a.length;t+=3)r.push(a.slice(t,t+3));return r}}function ah(t){const e=t.length;e>2&&t[e-1].equals(t[0])&&t.pop()}function oh(t,e){for(let n=0;n<e.length;n++)t.push(e[n].x),t.push(e[n].y)}class lh extends vr{constructor(t=new Uc([new en(.5,.5),new en(-.5,.5),new en(-.5,-.5),new en(.5,-.5)]),e={}){super(),this.type="ExtrudeGeometry",this.parameters={shapes:t,options:e},t=Array.isArray(t)?t:[t];const n=this,i=[],r=[];for(let e=0,n=t.length;e<n;e++){s(t[e])}function s(t){const s=[],a=void 0!==e.curveSegments?e.curveSegments:12,o=void 0!==e.steps?e.steps:1,l=void 0!==e.depth?e.depth:1;let c=void 0===e.bevelEnabled||e.bevelEnabled,h=void 0!==e.bevelThickness?e.bevelThickness:.2,u=void 0!==e.bevelSize?e.bevelSize:h-.1,d=void 0!==e.bevelOffset?e.bevelOffset:0,p=void 0!==e.bevelSegments?e.bevelSegments:3;const m=e.extrudePath,f=void 0!==e.UVGenerator?e.UVGenerator:ch;let g,v,_,y,x,M=!1;m&&(g=m.getSpacedPoints(o),M=!0,c=!1,v=m.computeFrenetFrames(o,!1),_=new Ln,y=new Ln,x=new Ln),c||(p=0,h=0,u=0,d=0);const S=t.extractPoints(a);let b=S.shape;const E=S.holes;if(!sh.isClockWise(b)){b=b.reverse();for(let t=0,e=E.length;t<e;t++){const e=E[t];sh.isClockWise(e)&&(E[t]=e.reverse())}}const T=sh.triangulateShape(b,E),w=b;for(let t=0,e=E.length;t<e;t++){const e=E[t];b=b.concat(e)}function A(t,e,n){return e||console.error("THREE.ExtrudeGeometry: vec does not exist"),t.clone().addScaledVector(e,n)}const R=b.length,C=T.length;function L(t,e,n){let i,r,s;const a=t.x-e.x,o=t.y-e.y,l=n.x-t.x,c=n.y-t.y,h=a*a+o*o,u=a*c-o*l;if(Math.abs(u)>Number.EPSILON){const u=Math.sqrt(h),d=Math.sqrt(l*l+c*c),p=e.x-o/u,m=e.y+a/u,f=((n.x-c/d-p)*c-(n.y+l/d-m)*l)/(a*c-o*l);i=p+a*f-t.x,r=m+o*f-t.y;const g=i*i+r*r;if(g<=2)return new en(i,r);s=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?l>Number.EPSILON&&(t=!0):a<-Number.EPSILON?l<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(c)&&(t=!0),t?(i=-o,r=a,s=Math.sqrt(h)):(i=a,r=o,s=Math.sqrt(h/2))}return new en(i/s,r/s)}const P=[];for(let t=0,e=w.length,n=e-1,i=t+1;t<e;t++,n++,i++)n===e&&(n=0),i===e&&(i=0),P[t]=L(w[t],w[n],w[i]);const I=[];let U,D=P.concat();for(let t=0,e=E.length;t<e;t++){const e=E[t];U=[];for(let t=0,n=e.length,i=n-1,r=t+1;t<n;t++,i++,r++)i===n&&(i=0),r===n&&(r=0),U[t]=L(e[t],e[i],e[r]);I.push(U),D=D.concat(U)}for(let t=0;t<p;t++){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=w.length;t<e;t++){const e=A(w[t],P[t],i);F(e.x,e.y,-n)}for(let t=0,e=E.length;t<e;t++){const e=E[t];U=I[t];for(let t=0,r=e.length;t<r;t++){const r=A(e[t],U[t],i);F(r.x,r.y,-n)}}}const N=u+d;for(let t=0;t<R;t++){const e=c?A(b[t],D[t],N):b[t];M?(y.copy(v.normals[0]).multiplyScalar(e.x),_.copy(v.binormals[0]).multiplyScalar(e.y),x.copy(g[0]).add(y).add(_),F(x.x,x.y,x.z)):F(e.x,e.y,0)}for(let t=1;t<=o;t++)for(let e=0;e<R;e++){const n=c?A(b[e],D[e],N):b[e];M?(y.copy(v.normals[t]).multiplyScalar(n.x),_.copy(v.binormals[t]).multiplyScalar(n.y),x.copy(g[t]).add(y).add(_),F(x.x,x.y,x.z)):F(n.x,n.y,l/o*t)}for(let t=p-1;t>=0;t--){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=w.length;t<e;t++){const e=A(w[t],P[t],i);F(e.x,e.y,l+n)}for(let t=0,e=E.length;t<e;t++){const e=E[t];U=I[t];for(let t=0,r=e.length;t<r;t++){const r=A(e[t],U[t],i);M?F(r.x,r.y+g[o-1].y,g[o-1].x+n):F(r.x,r.y,l+n)}}}function O(t,e){let n=t.length;for(;--n>=0;){const i=n;let r=n-1;r<0&&(r=t.length-1);for(let t=0,n=o+2*p;t<n;t++){const n=R*t,s=R*(t+1);z(e+i+n,e+r+n,e+r+s,e+i+s)}}}function F(t,e,n){s.push(t),s.push(e),s.push(n)}function B(t,e,r){G(t),G(e),G(r);const s=i.length/3,a=f.generateTopUV(n,i,s-3,s-2,s-1);H(a[0]),H(a[1]),H(a[2])}function z(t,e,r,s){G(t),G(e),G(s),G(e),G(r),G(s);const a=i.length/3,o=f.generateSideWallUV(n,i,a-6,a-3,a-2,a-1);H(o[0]),H(o[1]),H(o[3]),H(o[1]),H(o[2]),H(o[3])}function G(t){i.push(s[3*t+0]),i.push(s[3*t+1]),i.push(s[3*t+2])}function H(t){r.push(t.x),r.push(t.y)}!function(){const t=i.length/3;if(c){let t=0,e=R*t;for(let t=0;t<C;t++){const n=T[t];B(n[2]+e,n[1]+e,n[0]+e)}t=o+2*p,e=R*t;for(let t=0;t<C;t++){const n=T[t];B(n[0]+e,n[1]+e,n[2]+e)}}else{for(let t=0;t<C;t++){const e=T[t];B(e[2],e[1],e[0])}for(let t=0;t<C;t++){const e=T[t];B(e[0]+R*o,e[1]+R*o,e[2]+R*o)}}n.addGroup(t,i.length/3-t,0)}(),function(){const t=i.length/3;let e=0;O(w,e),e+=w.length;for(let t=0,n=E.length;t<n;t++){const n=E[t];O(n,e),e+=n.length}n.addGroup(t,i.length/3-t,1)}()}this.setAttribute("position",new cr(i,3)),this.setAttribute("uv",new cr(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,n){if(n.shapes=[],Array.isArray(t))for(let e=0,i=t.length;e<i;e++){const i=t[e];n.shapes.push(i.uuid)}else n.shapes.push(t.uuid);n.options=Object.assign({},e),void 0!==e.extrudePath&&(n.options.extrudePath=e.extrudePath.toJSON());return n}(this.parameters.shapes,this.parameters.options,t)}static fromJSON(t,e){const n=[];for(let i=0,r=t.shapes.length;i<r;i++){const r=e[t.shapes[i]];n.push(r)}const i=t.options.extrudePath;return void 0!==i&&(t.options.extrudePath=(new _c[i.type]).fromJSON(i)),new lh(n,t.options)}}const ch={generateTopUV:function(t,e,n,i,r){const s=e[3*n],a=e[3*n+1],o=e[3*i],l=e[3*i+1],c=e[3*r],h=e[3*r+1];return[new en(s,a),new en(o,l),new en(c,h)]},generateSideWallUV:function(t,e,n,i,r,s){const a=e[3*n],o=e[3*n+1],l=e[3*n+2],c=e[3*i],h=e[3*i+1],u=e[3*i+2],d=e[3*r],p=e[3*r+1],m=e[3*r+2],f=e[3*s],g=e[3*s+1],v=e[3*s+2];return Math.abs(o-h)<Math.abs(a-c)?[new en(a,1-l),new en(c,1-u),new en(d,1-m),new en(f,1-v)]:[new en(o,1-l),new en(h,1-u),new en(p,1-m),new en(g,1-v)]}};class hh extends wc{constructor(t=1,e=0){const n=(1+Math.sqrt(5))/2;super([-1,n,0,1,n,0,-1,-n,0,1,-n,0,0,-1,n,0,1,n,0,-1,-n,0,1,-n,n,0,-1,n,0,1,-n,0,-1,-n,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 hh(t.radius,t.detail)}}class uh extends wc{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 uh(t.radius,t.detail)}}class dh extends vr{constructor(t=.5,e=1,n=32,i=1,r=0,s=2*Math.PI){super(),this.type="RingGeometry",this.parameters={innerRadius:t,outerRadius:e,thetaSegments:n,phiSegments:i,thetaStart:r,thetaLength:s},n=Math.max(3,n);const a=[],o=[],l=[],c=[];let h=t;const u=(e-t)/(i=Math.max(1,i)),d=new Ln,p=new en;for(let t=0;t<=i;t++){for(let t=0;t<=n;t++){const i=r+t/n*s;d.x=h*Math.cos(i),d.y=h*Math.sin(i),o.push(d.x,d.y,d.z),l.push(0,0,1),p.x=(d.x/e+1)/2,p.y=(d.y/e+1)/2,c.push(p.x,p.y)}h+=u}for(let t=0;t<i;t++){const e=t*(n+1);for(let t=0;t<n;t++){const i=t+e,r=i,s=i+n+1,o=i+n+2,l=i+1;a.push(r,s,l),a.push(s,o,l)}}this.setIndex(a),this.setAttribute("position",new cr(o,3)),this.setAttribute("normal",new cr(l,3)),this.setAttribute("uv",new cr(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new dh(t.innerRadius,t.outerRadius,t.thetaSegments,t.phiSegments,t.thetaStart,t.thetaLength)}}class ph extends vr{constructor(t=new Uc([new en(0,.5),new en(-.5,-.5),new en(.5,-.5)]),e=12){super(),this.type="ShapeGeometry",this.parameters={shapes:t,curveSegments:e};const n=[],i=[],r=[],s=[];let a=0,o=0;if(!1===Array.isArray(t))l(t);else for(let e=0;e<t.length;e++)l(t[e]),this.addGroup(a,o,e),a+=o,o=0;function l(t){const a=i.length/3,l=t.extractPoints(e);let c=l.shape;const h=l.holes;!1===sh.isClockWise(c)&&(c=c.reverse());for(let t=0,e=h.length;t<e;t++){const e=h[t];!0===sh.isClockWise(e)&&(h[t]=e.reverse())}const u=sh.triangulateShape(c,h);for(let t=0,e=h.length;t<e;t++){const e=h[t];c=c.concat(e)}for(let t=0,e=c.length;t<e;t++){const e=c[t];i.push(e.x,e.y,0),r.push(0,0,1),s.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,s=e[2]+a;n.push(i,r,s),o+=3}}this.setIndex(n),this.setAttribute("position",new cr(i,3)),this.setAttribute("normal",new cr(r,3)),this.setAttribute("uv",new cr(s,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 n=0,i=t.length;n<i;n++){const i=t[n];e.shapes.push(i.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)}static fromJSON(t,e){const n=[];for(let i=0,r=t.shapes.length;i<r;i++){const r=e[t.shapes[i]];n.push(r)}return new ph(n,t.curveSegments)}}class mh extends vr{constructor(t=1,e=32,n=16,i=0,r=2*Math.PI,s=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:n,phiStart:i,phiLength:r,thetaStart:s,thetaLength:a},e=Math.max(3,Math.floor(e)),n=Math.max(2,Math.floor(n));const o=Math.min(s+a,Math.PI);let l=0;const c=[],h=new Ln,u=new Ln,d=[],p=[],m=[],f=[];for(let d=0;d<=n;d++){const g=[],v=d/n;let _=0;0===d&&0===s?_=.5/e:d===n&&o===Math.PI&&(_=-.5/e);for(let n=0;n<=e;n++){const o=n/e;h.x=-t*Math.cos(i+o*r)*Math.sin(s+v*a),h.y=t*Math.cos(s+v*a),h.z=t*Math.sin(i+o*r)*Math.sin(s+v*a),p.push(h.x,h.y,h.z),u.copy(h).normalize(),m.push(u.x,u.y,u.z),f.push(o+_,1-v),g.push(l++)}c.push(g)}for(let t=0;t<n;t++)for(let i=0;i<e;i++){const e=c[t][i+1],r=c[t][i],a=c[t+1][i],l=c[t+1][i+1];(0!==t||s>0)&&d.push(e,r,l),(t!==n-1||o<Math.PI)&&d.push(r,a,l)}this.setIndex(d),this.setAttribute("position",new cr(p,3)),this.setAttribute("normal",new cr(m,3)),this.setAttribute("uv",new cr(f,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new mh(t.radius,t.widthSegments,t.heightSegments,t.phiStart,t.phiLength,t.thetaStart,t.thetaLength)}}class fh extends wc{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 fh(t.radius,t.detail)}}class gh extends vr{constructor(t=1,e=.4,n=12,i=48,r=2*Math.PI){super(),this.type="TorusGeometry",this.parameters={radius:t,tube:e,radialSegments:n,tubularSegments:i,arc:r},n=Math.floor(n),i=Math.floor(i);const s=[],a=[],o=[],l=[],c=new Ln,h=new Ln,u=new Ln;for(let s=0;s<=n;s++)for(let d=0;d<=i;d++){const p=d/i*r,m=s/n*Math.PI*2;h.x=(t+e*Math.cos(m))*Math.cos(p),h.y=(t+e*Math.cos(m))*Math.sin(p),h.z=e*Math.sin(m),a.push(h.x,h.y,h.z),c.x=t*Math.cos(p),c.y=t*Math.sin(p),u.subVectors(h,c).normalize(),o.push(u.x,u.y,u.z),l.push(d/i),l.push(s/n)}for(let t=1;t<=n;t++)for(let e=1;e<=i;e++){const n=(i+1)*t+e-1,r=(i+1)*(t-1)+e-1,a=(i+1)*(t-1)+e,o=(i+1)*t+e;s.push(n,r,o),s.push(r,a,o)}this.setIndex(s),this.setAttribute("position",new cr(a,3)),this.setAttribute("normal",new cr(o,3)),this.setAttribute("uv",new cr(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new gh(t.radius,t.tube,t.radialSegments,t.tubularSegments,t.arc)}}class vh extends vr{constructor(t=1,e=.4,n=64,i=8,r=2,s=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:t,tube:e,tubularSegments:n,radialSegments:i,p:r,q:s},n=Math.floor(n),i=Math.floor(i);const a=[],o=[],l=[],c=[],h=new Ln,u=new Ln,d=new Ln,p=new Ln,m=new Ln,f=new Ln,g=new Ln;for(let a=0;a<=n;++a){const _=a/n*r*Math.PI*2;v(_,r,s,t,d),v(_+.01,r,s,t,p),f.subVectors(p,d),g.addVectors(p,d),m.crossVectors(f,g),g.crossVectors(m,f),m.normalize(),g.normalize();for(let t=0;t<=i;++t){const r=t/i*Math.PI*2,s=-e*Math.cos(r),p=e*Math.sin(r);h.x=d.x+(s*g.x+p*m.x),h.y=d.y+(s*g.y+p*m.y),h.z=d.z+(s*g.z+p*m.z),o.push(h.x,h.y,h.z),u.subVectors(h,d).normalize(),l.push(u.x,u.y,u.z),c.push(a/n),c.push(t/i)}}for(let t=1;t<=n;t++)for(let e=1;e<=i;e++){const n=(i+1)*(t-1)+(e-1),r=(i+1)*t+(e-1),s=(i+1)*t+e,o=(i+1)*(t-1)+e;a.push(n,r,o),a.push(r,s,o)}function v(t,e,n,i,r){const s=Math.cos(t),a=Math.sin(t),o=n/e*t,l=Math.cos(o);r.x=i*(2+l)*.5*s,r.y=i*(2+l)*a*.5,r.z=i*Math.sin(o)*.5}this.setIndex(a),this.setAttribute("position",new cr(o,3)),this.setAttribute("normal",new cr(l,3)),this.setAttribute("uv",new cr(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new vh(t.radius,t.tube,t.tubularSegments,t.radialSegments,t.p,t.q)}}class _h extends vr{constructor(t=new gc(new Ln(-1,-1,0),new Ln(-1,1,0),new Ln(1,1,0)),e=64,n=1,i=8,r=!1){super(),this.type="TubeGeometry",this.parameters={path:t,tubularSegments:e,radius:n,radialSegments:i,closed:r};const s=t.computeFrenetFrames(e,r);this.tangents=s.tangents,this.normals=s.normals,this.binormals=s.binormals;const a=new Ln,o=new Ln,l=new en;let c=new Ln;const h=[],u=[],d=[],p=[];function m(r){c=t.getPointAt(r/e,c);const l=s.normals[r],d=s.binormals[r];for(let t=0;t<=i;t++){const e=t/i*Math.PI*2,r=Math.sin(e),s=-Math.cos(e);o.x=s*l.x+r*d.x,o.y=s*l.y+r*d.y,o.z=s*l.z+r*d.z,o.normalize(),u.push(o.x,o.y,o.z),a.x=c.x+n*o.x,a.y=c.y+n*o.y,a.z=c.z+n*o.z,h.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 n=0;n<=i;n++)l.x=t/e,l.y=n/i,d.push(l.x,l.y)}(),function(){for(let t=1;t<=e;t++)for(let e=1;e<=i;e++){const n=(i+1)*(t-1)+(e-1),r=(i+1)*t+(e-1),s=(i+1)*t+e,a=(i+1)*(t-1)+e;p.push(n,r,a),p.push(r,s,a)}}()}(),this.setIndex(p),this.setAttribute("position",new cr(h,3)),this.setAttribute("normal",new cr(u,3)),this.setAttribute("uv",new cr(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 _h((new _c[t.path.type]).fromJSON(t.path),t.tubularSegments,t.radius,t.radialSegments,t.closed)}}class yh extends vr{constructor(t=null){if(super(),this.type="WireframeGeometry",this.parameters={geometry:t},null!==t){const e=[],n=new Set,i=new Ln,r=new Ln;if(null!==t.index){const s=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,l=o.length;t<l;++t){const l=o[t],c=l.start;for(let t=c,o=c+l.count;t<o;t+=3)for(let o=0;o<3;o++){const l=a.getX(t+o),c=a.getX(t+(o+1)%3);i.fromBufferAttribute(s,l),r.fromBufferAttribute(s,c),!0===xh(i,r,n)&&(e.push(i.x,i.y,i.z),e.push(r.x,r.y,r.z))}}}else{const s=t.attributes.position;for(let t=0,a=s.count/3;t<a;t++)for(let a=0;a<3;a++){const o=3*t+a,l=3*t+(a+1)%3;i.fromBufferAttribute(s,o),r.fromBufferAttribute(s,l),!0===xh(i,r,n)&&(e.push(i.x,i.y,i.z),e.push(r.x,r.y,r.z))}}this.setAttribute("position",new cr(e,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}function xh(t,e,n){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!==n.has(i)&&!0!==n.has(r)&&(n.add(i),n.add(r),!0)}var Mh=Object.freeze({__proto__:null,BoxGeometry:Fr,CapsuleGeometry:Sc,CircleGeometry:bc,ConeGeometry:Tc,CylinderGeometry:Ec,DodecahedronGeometry:Ac,EdgesGeometry:Ic,ExtrudeGeometry:lh,IcosahedronGeometry:hh,LatheGeometry:Mc,OctahedronGeometry:uh,PlaneGeometry:rs,PolyhedronGeometry:wc,RingGeometry:dh,ShapeGeometry:ph,SphereGeometry:mh,TetrahedronGeometry:fh,TorusGeometry:gh,TorusKnotGeometry:vh,TubeGeometry:_h,WireframeGeometry:yh});class Sh extends Xi{constructor(t){super(),this.isShadowMaterial=!0,this.type="ShadowMaterial",this.color=new Ji(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}}class bh extends kr{constructor(t){super(t),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}}class Eh extends Xi{constructor(t){super(),this.isMeshStandardMaterial=!0,this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new Ji(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 Ji(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=xe,this.normalScale=new en(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,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.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 Th extends Eh{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 en(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return je(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 Ji(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 Ji(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Ji(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=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 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.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 wh extends Xi{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Ji(16777215),this.specular=new Ji(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Ji(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=xe,this.normalScale=new en(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=H,this.reflectivity=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.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.flatShading=t.flatShading,this.fog=t.fog,this}}class Ah extends Xi{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Ji(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Ji(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=xe,this.normalScale=new en(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 Rh extends Xi{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=xe,this.normalScale=new en(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 Ch extends Xi{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Ji(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Ji(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=xe,this.normalScale=new en(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=H,this.reflectivity=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.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.flatShading=t.flatShading,this.fog=t.fog,this}}class Lh extends Xi{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Ji(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=xe,this.normalScale=new en(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,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.flatShading=t.flatShading,this.fog=t.fog,this}}class Ph extends Dl{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 Ih(t,e,n){return Dh(t)?new t.constructor(t.subarray(e,void 0!==n?n:t.length)):t.slice(e,n)}function Uh(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function Dh(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Nh(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n}function Oh(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r}function Fh(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)}const Bh={arraySlice:Ih,convertArray:Uh,isTypedArray:Dh,getKeyframeOrder:Nh,sortedArray:Oh,flattenJSON:Fh,subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t<s.tracks.length;++t){const e=s.tracks[t],o=e.getValueSize(),l=[],c=[];for(let t=0;t<e.times.length;++t){const s=e.times[t]*r;if(!(s<n||s>=i)){l.push(e.times[t]);for(let n=0;n<o;++n)c.push(e.values[t*o+n])}}0!==l.length&&(e.times=Uh(l,e.times.constructor),e.values=Uh(c,e.values.constructor),a.push(e))}s.tracks=a;let o=1/0;for(let t=0;t<s.tracks.length;++t)o>s.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t<s.tracks.length;++t)s.tracks[t].shift(-1*o);return s.resetDuration(),s},makeClipAdditive:function(t,e=0,n=t,i=30){i<=0&&(i=30);const r=n.tracks.length,s=e/i;for(let e=0;e<r;++e){const i=n.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 l=i.getValueSize();i.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=l/3);let c=0;const h=a.getValueSize();a.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(c=h/3);const u=i.times.length-1;let d;if(s<=i.times[0]){const t=o,e=l-o;d=Ih(i.values,t,e)}else if(s>=i.times[u]){const t=u*l+o,e=t+l-o;d=Ih(i.values,t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=Ih(t.resultBuffer,e,n)}if("quaternion"===r){(new Cn).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t<p;++t){const e=t*h+c;if("quaternion"===r)Cn.multiplyQuaternionsFlat(a.values,e,d,0,a.values,e);else{const t=h-2*c;for(let n=0;n<t;++n)a.values[e+n]-=d[n]}}}return t.blendMode=ge,t}};class zh{constructor(t,e,n,i){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==i?i:new e.constructor(n),this.sampleValues=e,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}evaluate(t){const e=this.parameterPositions;let n=this._cachedIndex,i=e[n],r=e[n-1];t:{e:{let s;n:{i:if(!(t<i)){for(let s=n+2;;){if(void 0===i){if(t<r)break i;return n=e.length,this._cachedIndex=n,this.copySampleValue_(n-1)}if(n===s)break;if(r=i,i=e[++n],t<i)break e}s=e.length;break n}if(t>=r)break t;{const a=e[1];t<a&&(n=2,r=a);for(let s=n-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(n===s)break;if(i=r,r=e[--n-1],t>=r)break e}s=n,n=0}}for(;n<s;){const i=n+s>>>1;t<e[i]?s=i:n=i+1}if(i=e[n],r=e[n-1],void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===i)return n=e.length,this._cachedIndex=n,this.copySampleValue_(n-1)}this._cachedIndex=n,this.intervalChanged_(n,r,i)}return this.interpolate_(n,r,t,i)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(t){const e=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=t*i;for(let t=0;t!==i;++t)e[t]=n[r+t];return e}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class Gh extends zh{constructor(t,e,n,i){super(t,e,n,i),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:de,endingEnd:de}}intervalChanged_(t,e,n){const i=this.parameterPositions;let r=t-2,s=t+1,a=i[r],o=i[s];if(void 0===a)switch(this.getSettings_().endingStart){case pe:r=t,a=2*e-n;break;case me:r=i.length-2,a=e+i[r]-i[r+1];break;default:r=t,a=n}if(void 0===o)switch(this.getSettings_().endingEnd){case pe:s=t,o=2*n-e;break;case me:s=1,o=n+i[1]-i[0];break;default:s=t-1,o=e}const l=.5*(n-e),c=this.valueSize;this._weightPrev=l/(e-a),this._weightNext=l/(o-n),this._offsetPrev=r*c,this._offsetNext=s*c}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,c=this._offsetPrev,h=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(n-e)/(i-e),m=p*p,f=m*p,g=-u*f+2*u*m-u*p,v=(1+u)*f+(-1.5-2*u)*m+(-.5+u)*p+1,_=(-1-d)*f+(1.5+d)*m+.5*p,y=d*f-d*m;for(let t=0;t!==a;++t)r[t]=g*s[c+t]+v*s[l+t]+_*s[o+t]+y*s[h+t];return r}}class Hh extends zh{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,c=(n-e)/(i-e),h=1-c;for(let t=0;t!==a;++t)r[t]=s[l+t]*h+s[o+t]*c;return r}}class kh extends zh{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t){return this.copySampleValue_(t-1)}}class Vh{constructor(t,e,n,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=Uh(e,this.TimeBufferType),this.values=Uh(n,this.ValueBufferType),this.setInterpolation(i||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let n;if(e.toJSON!==this.toJSON)n=e.toJSON(t);else{n={name:t.name,times:Uh(t.times,Array),values:Uh(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(n.interpolation=e)}return n.type=t.ValueTypeName,n}InterpolantFactoryMethodDiscrete(t){return new kh(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new Hh(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new Gh(this.times,this.values,this.getValueSize(),t)}setInterpolation(t){let e;switch(t){case ce:e=this.InterpolantFactoryMethodDiscrete;break;case he:e=this.InterpolantFactoryMethodLinear;break;case ue:e=this.InterpolantFactoryMethodSmooth}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 console.warn("THREE.KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return ce;case this.InterpolantFactoryMethodLinear:return he;case this.InterpolantFactoryMethodSmooth:return ue}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let n=0,i=e.length;n!==i;++n)e[n]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let n=0,i=e.length;n!==i;++n)e[n]*=t}return this}trim(t,e){const n=this.times,i=n.length;let r=0,s=i-1;for(;r!==i&&n[r]<t;)++r;for(;-1!==s&&n[s]>e;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=Ih(n,r,s),this.values=Ih(this.values,r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&Dh(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=Ih(this.times),e=Ih(this.values),n=this.getValueSize(),i=this.getInterpolation()===ue,r=t.length-1;let s=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*n,i=t-n,s=t+n;for(let a=0;a!==n;++a){const n=e[t+a];if(n!==e[i+a]||n!==e[s+a]){r=!0;break}}}if(r){if(a!==s){t[s]=t[a];const i=a*n,r=s*n;for(let t=0;t!==n;++t)e[r+t]=e[i+t]}++s}}if(r>0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=Ih(t,0,s),this.values=Ih(e,0,s*n)):(this.times=t,this.values=e),this}clone(){const t=Ih(this.times,0),e=Ih(this.values,0),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}Vh.prototype.TimeBufferType=Float32Array,Vh.prototype.ValueBufferType=Float32Array,Vh.prototype.DefaultInterpolation=he;class Wh extends Vh{}Wh.prototype.ValueTypeName="bool",Wh.prototype.ValueBufferType=Array,Wh.prototype.DefaultInterpolation=ce,Wh.prototype.InterpolantFactoryMethodLinear=void 0,Wh.prototype.InterpolantFactoryMethodSmooth=void 0;class Xh extends Vh{}Xh.prototype.ValueTypeName="color";class jh extends Vh{}jh.prototype.ValueTypeName="number";class qh extends zh{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)Cn.slerpFlat(r,0,s,l-a,s,l,o);return r}}class Yh extends Vh{InterpolantFactoryMethodLinear(t){return new qh(this.times,this.values,this.getValueSize(),t)}}Yh.prototype.ValueTypeName="quaternion",Yh.prototype.DefaultInterpolation=he,Yh.prototype.InterpolantFactoryMethodSmooth=void 0;class Zh extends Vh{}Zh.prototype.ValueTypeName="string",Zh.prototype.ValueBufferType=Array,Zh.prototype.DefaultInterpolation=ce,Zh.prototype.InterpolantFactoryMethodLinear=void 0,Zh.prototype.InterpolantFactoryMethodSmooth=void 0;class Jh extends Vh{}Jh.prototype.ValueTypeName="vector";class Kh{constructor(t,e=-1,n,i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=Xe(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push($h(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(Vh.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];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 l=Nh(a);a=Oh(a,1,l),o=Oh(o,1,l),i||0!==a[0]||(a.push(r),o.push(o[0])),s.push(new jh(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/n))}return new this(t,-1,s)}static findByName(t,e){let n=t;if(!Array.isArray(t)){const e=t;n=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<n.length;t++)if(n[t].name===e)return n[t];return null}static CreateClipsFromMorphTargetSequences(t,e,n){const i={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,n=t.length;e<n;e++){const n=t[e],s=n.name.match(r);if(s&&s.length>1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];Fh(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t<l.length;t++){const r=l[t].keys;if(r&&0!==r.length)if(r[0].morphTargets){const t={};let e;for(e=0;e<r.length;e++)if(r[e].morphTargets)for(let n=0;n<r[e].morphTargets.length;n++)t[r[e].morphTargets[n]]=-1;for(const n in t){const t=[],s=[];for(let i=0;i!==r[e].morphTargets.length;++i){const i=r[e];t.push(i.time),s.push(i.morphTarget===n?1:0)}i.push(new jh(".morphTargetInfluence["+n+"]",t,s))}o=t.length*s}else{const s=".bones["+e[t].name+"]";n(Jh,s+".position",r,"pos",i),n(Yh,s+".quaternion",r,"rot",i),n(Jh,s+".scale",r,"scl",i)}}if(0===i.length)return null;return new this(r,o,i,a)}resetDuration(){let t=0;for(let e=0,n=this.tracks.length;e!==n;++e){const n=this.tracks[e];t=Math.max(t,n.times[n.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());return new this.constructor(this.name,this.duration,t,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function $h(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 jh;case"vector":case"vector2":case"vector3":case"vector4":return Jh;case"color":return Xh;case"quaternion":return Yh;case"bool":case"boolean":return Wh;case"string":return Zh}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],n=[];Fh(t.keys,e,n,"value"),t.times=e,t.values=n}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const Qh={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(this.files[t]=e)},get:function(t){if(!1!==this.enabled)return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};class tu{constructor(t,e,n){const i=this;let r,s=!1,a=0,o=0;const l=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=n,this.itemStart=function(t){o++,!1===s&&void 0!==i.onStart&&i.onStart(t,a,o),s=!0},this.itemEnd=function(t){a++,void 0!==i.onProgress&&i.onProgress(t,a,o),a===o&&(s=!1,void 0!==i.onLoad&&i.onLoad())},this.itemError=function(t){void 0!==i.onError&&i.onError(t)},this.resolveURL=function(t){return r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return l.push(t,e),this},this.removeHandler=function(t){const e=l.indexOf(t);return-1!==e&&l.splice(e,2),this},this.getHandler=function(t){for(let e=0,n=l.length;e<n;e+=2){const n=l[e],i=l[e+1];if(n.global&&(n.lastIndex=0),n.test(t))return i}return null}}}const eu=new tu;class nu{constructor(t){this.manager=void 0!==t?t:eu,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(t,e){const n=this;return new Promise((function(i,r){n.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}}const iu={};class ru extends Error{constructor(t,e){super(t),this.response=e}}class su extends nu{constructor(t){super(t)}load(t,e,n,i){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=Qh.get(t);if(void 0!==r)return this.manager.itemStart(t),setTimeout((()=>{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==iu[t])return void iu[t].push({onLoad:e,onProgress:n,onError:i});iu[t]=[],iu[t].push({onLoad:e,onProgress:n,onError:i});const s=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,o=this.responseType;fetch(s).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const n=iu[t],i=e.body.getReader(),r=e.headers.get("Content-Length")||e.headers.get("X-File-Size"),s=r?parseInt(r):0,a=0!==s;let o=0;const l=new ReadableStream({start(t){!function e(){i.read().then((({done:i,value:r})=>{if(i)t.close();else{o+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let t=0,e=n.length;t<e;t++){const e=n[t];e.onProgress&&e.onProgress(i)}t.enqueue(r),e()}}))}()}});return new Response(l)}throw new ru(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),n=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(n);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{Qh.add(t,e);const n=iu[t];delete iu[t];for(let t=0,i=n.length;t<i;t++){const i=n[t];i.onLoad&&i.onLoad(e)}})).catch((e=>{const n=iu[t];if(void 0===n)throw this.manager.itemError(t),e;delete iu[t];for(let t=0,i=n.length;t<i;t++){const i=n[t];i.onError&&i.onError(e)}this.manager.itemError(t)})).finally((()=>{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class au extends nu{constructor(t){super(t)}load(t,e,n,i){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=Qh.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a=ln("img");function o(){c(),Qh.add(t,this),e&&e(this),r.manager.itemEnd(t)}function l(e){c(),i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)}function c(){a.removeEventListener("load",o,!1),a.removeEventListener("error",l,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",l,!1),"data:"!==t.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),r.manager.itemStart(t),a.src=t,a}}class ou extends Pi{constructor(t,e=1){super(),this.isLight=!0,this.type="Light",this.color=new Ji(t),this.intensity=e}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,void 0!==this.groundColor&&(e.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(e.object.distance=this.distance),void 0!==this.angle&&(e.object.angle=this.angle),void 0!==this.decay&&(e.object.decay=this.decay),void 0!==this.penumbra&&(e.object.penumbra=this.penumbra),void 0!==this.shadow&&(e.object.shadow=this.shadow.toJSON()),e}}class lu extends ou{constructor(t,e,n){super(t,n),this.isHemisphereLight=!0,this.type="HemisphereLight",this.position.copy(Pi.DEFAULT_UP),this.updateMatrix(),this.groundColor=new Ji(e)}copy(t,e){return super.copy(t,e),this.groundColor.copy(t.groundColor),this}}const cu=new ai,hu=new Ln,uu=new Ln;class du{constructor(t){this.camera=t,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new en(512,512),this.map=null,this.mapPass=null,this.matrix=new ai,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new es,this._frameExtents=new en(1,1),this._viewportCount=1,this._viewports=[new Tn(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,n=this.matrix;hu.setFromMatrixPosition(t.matrixWorld),e.position.copy(hu),uu.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(uu),e.updateMatrixWorld(),cu.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(cu),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(cu)}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.bias=t.bias,this.radius=t.radius,this.mapSize.copy(t.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 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}}class pu extends du{constructor(){super(new Wr(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1}updateMatrices(t){const e=this.camera,n=2*We*t.angle*this.focus,i=this.mapSize.width/this.mapSize.height,r=t.distance||e.far;n===e.fov&&i===e.aspect&&r===e.far||(e.fov=n,e.aspect=i,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}copy(t){return super.copy(t),this.focus=t.focus,this}}class mu extends ou{constructor(t,e,n=0,i=Math.PI/3,r=0,s=2){super(t,e),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(Pi.DEFAULT_UP),this.updateMatrix(),this.target=new Pi,this.distance=n,this.angle=i,this.penumbra=r,this.decay=s,this.map=null,this.shadow=new pu}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}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.shadow=t.shadow.clone(),this}}const fu=new ai,gu=new Ln,vu=new Ln;class _u extends du{constructor(){super(new Wr(90,1,.5,500)),this.isPointLightShadow=!0,this._frameExtents=new en(4,2),this._viewportCount=6,this._viewports=[new Tn(2,1,1,1),new Tn(0,1,1,1),new Tn(3,1,1,1),new Tn(1,1,1,1),new Tn(3,0,1,1),new Tn(1,0,1,1)],this._cubeDirections=[new Ln(1,0,0),new Ln(-1,0,0),new Ln(0,0,1),new Ln(0,0,-1),new Ln(0,1,0),new Ln(0,-1,0)],this._cubeUps=[new Ln(0,1,0),new Ln(0,1,0),new Ln(0,1,0),new Ln(0,1,0),new Ln(0,0,1),new Ln(0,0,-1)]}updateMatrices(t,e=0){const n=this.camera,i=this.matrix,r=t.distance||n.far;r!==n.far&&(n.far=r,n.updateProjectionMatrix()),gu.setFromMatrixPosition(t.matrixWorld),n.position.copy(gu),vu.copy(n.position),vu.add(this._cubeDirections[e]),n.up.copy(this._cubeUps[e]),n.lookAt(vu),n.updateMatrixWorld(),i.makeTranslation(-gu.x,-gu.y,-gu.z),fu.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(fu)}}class yu extends ou{constructor(t,e,n=0,i=2){super(t,e),this.isPointLight=!0,this.type="PointLight",this.distance=n,this.decay=i,this.shadow=new _u}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}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}}class xu extends du{constructor(){super(new fs(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class Mu extends ou{constructor(t,e){super(t,e),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(Pi.DEFAULT_UP),this.updateMatrix(),this.target=new Pi,this.shadow=new xu}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}class Su extends ou{constructor(t,e){super(t,e),this.isAmbientLight=!0,this.type="AmbientLight"}}class bu extends ou{constructor(t,e,n=10,i=10){super(t,e),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=n,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 Eu{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new Ln)}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 n=t.x,i=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.282095),e.addScaledVector(s[1],.488603*i),e.addScaledVector(s[2],.488603*r),e.addScaledVector(s[3],.488603*n),e.addScaledVector(s[4],n*i*1.092548),e.addScaledVector(s[5],i*r*1.092548),e.addScaledVector(s[6],.315392*(3*r*r-1)),e.addScaledVector(s[7],n*r*1.092548),e.addScaledVector(s[8],.546274*(n*n-i*i)),e}getIrradianceAt(t,e){const n=t.x,i=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.886227),e.addScaledVector(s[1],1.023328*i),e.addScaledVector(s[2],1.023328*r),e.addScaledVector(s[3],1.023328*n),e.addScaledVector(s[4],.858086*n*i),e.addScaledVector(s[5],.858086*i*r),e.addScaledVector(s[6],.743125*r*r-.247708),e.addScaledVector(s[7],.858086*n*r),e.addScaledVector(s[8],.429043*(n*n-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 n=0;n<9;n++)this.coefficients[n].addScaledVector(t.coefficients[n],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let n=0;n<9;n++)this.coefficients[n].lerp(t.coefficients[n],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 n=this.coefficients;for(let i=0;i<9;i++)n[i].fromArray(t,e+3*i);return this}toArray(t=[],e=0){const n=this.coefficients;for(let i=0;i<9;i++)n[i].toArray(t,e+3*i);return t}static getBasisAt(t,e){const n=t.x,i=t.y,r=t.z;e[0]=.282095,e[1]=.488603*i,e[2]=.488603*r,e[3]=.488603*n,e[4]=1.092548*n*i,e[5]=1.092548*i*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*n*r,e[8]=.546274*(n*n-i*i)}}class Tu extends ou{constructor(t=new Eu,e=1){super(void 0,e),this.isLightProbe=!0,this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}fromJSON(t){return this.intensity=t.intensity,this.sh.fromArray(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}class wu extends nu{constructor(t){super(t),this.textures={}}load(t,e,n,i){const r=this,s=new su(r.manager);s.setPath(r.path),s.setRequestHeader(r.requestHeader),s.setWithCredentials(r.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e=this.textures;function n(t){return void 0===e[t]&&console.warn("THREE.MaterialLoader: Undefined texture",t),e[t]}const i=wu.createMaterialFromType(t.type);if(void 0!==t.uuid&&(i.uuid=t.uuid),void 0!==t.name&&(i.name=t.name),void 0!==t.color&&void 0!==i.color&&i.color.setHex(t.color),void 0!==t.roughness&&(i.roughness=t.roughness),void 0!==t.metalness&&(i.metalness=t.metalness),void 0!==t.sheen&&(i.sheen=t.sheen),void 0!==t.sheenColor&&(i.sheenColor=(new Ji).setHex(t.sheenColor)),void 0!==t.sheenRoughness&&(i.sheenRoughness=t.sheenRoughness),void 0!==t.emissive&&void 0!==i.emissive&&i.emissive.setHex(t.emissive),void 0!==t.specular&&void 0!==i.specular&&i.specular.setHex(t.specular),void 0!==t.specularIntensity&&(i.specularIntensity=t.specularIntensity),void 0!==t.specularColor&&void 0!==i.specularColor&&i.specularColor.setHex(t.specularColor),void 0!==t.shininess&&(i.shininess=t.shininess),void 0!==t.clearcoat&&(i.clearcoat=t.clearcoat),void 0!==t.clearcoatRoughness&&(i.clearcoatRoughness=t.clearcoatRoughness),void 0!==t.iridescence&&(i.iridescence=t.iridescence),void 0!==t.iridescenceIOR&&(i.iridescenceIOR=t.iridescenceIOR),void 0!==t.iridescenceThicknessRange&&(i.iridescenceThicknessRange=t.iridescenceThicknessRange),void 0!==t.transmission&&(i.transmission=t.transmission),void 0!==t.thickness&&(i.thickness=t.thickness),void 0!==t.attenuationDistance&&(i.attenuationDistance=t.attenuationDistance),void 0!==t.attenuationColor&&void 0!==i.attenuationColor&&i.attenuationColor.setHex(t.attenuationColor),void 0!==t.anisotropy&&(i.anisotropy=t.anisotropy),void 0!==t.anisotropyRotation&&(i.anisotropyRotation=t.anisotropyRotation),void 0!==t.fog&&(i.fog=t.fog),void 0!==t.flatShading&&(i.flatShading=t.flatShading),void 0!==t.blending&&(i.blending=t.blending),void 0!==t.combine&&(i.combine=t.combine),void 0!==t.side&&(i.side=t.side),void 0!==t.shadowSide&&(i.shadowSide=t.shadowSide),void 0!==t.opacity&&(i.opacity=t.opacity),void 0!==t.transparent&&(i.transparent=t.transparent),void 0!==t.alphaTest&&(i.alphaTest=t.alphaTest),void 0!==t.depthTest&&(i.depthTest=t.depthTest),void 0!==t.depthWrite&&(i.depthWrite=t.depthWrite),void 0!==t.colorWrite&&(i.colorWrite=t.colorWrite),void 0!==t.stencilWrite&&(i.stencilWrite=t.stencilWrite),void 0!==t.stencilWriteMask&&(i.stencilWriteMask=t.stencilWriteMask),void 0!==t.stencilFunc&&(i.stencilFunc=t.stencilFunc),void 0!==t.stencilRef&&(i.stencilRef=t.stencilRef),void 0!==t.stencilFuncMask&&(i.stencilFuncMask=t.stencilFuncMask),void 0!==t.stencilFail&&(i.stencilFail=t.stencilFail),void 0!==t.stencilZFail&&(i.stencilZFail=t.stencilZFail),void 0!==t.stencilZPass&&(i.stencilZPass=t.stencilZPass),void 0!==t.wireframe&&(i.wireframe=t.wireframe),void 0!==t.wireframeLinewidth&&(i.wireframeLinewidth=t.wireframeLinewidth),void 0!==t.wireframeLinecap&&(i.wireframeLinecap=t.wireframeLinecap),void 0!==t.wireframeLinejoin&&(i.wireframeLinejoin=t.wireframeLinejoin),void 0!==t.rotation&&(i.rotation=t.rotation),1!==t.linewidth&&(i.linewidth=t.linewidth),void 0!==t.dashSize&&(i.dashSize=t.dashSize),void 0!==t.gapSize&&(i.gapSize=t.gapSize),void 0!==t.scale&&(i.scale=t.scale),void 0!==t.polygonOffset&&(i.polygonOffset=t.polygonOffset),void 0!==t.polygonOffsetFactor&&(i.polygonOffsetFactor=t.polygonOffsetFactor),void 0!==t.polygonOffsetUnits&&(i.polygonOffsetUnits=t.polygonOffsetUnits),void 0!==t.dithering&&(i.dithering=t.dithering),void 0!==t.alphaToCoverage&&(i.alphaToCoverage=t.alphaToCoverage),void 0!==t.premultipliedAlpha&&(i.premultipliedAlpha=t.premultipliedAlpha),void 0!==t.forceSinglePass&&(i.forceSinglePass=t.forceSinglePass),void 0!==t.visible&&(i.visible=t.visible),void 0!==t.toneMapped&&(i.toneMapped=t.toneMapped),void 0!==t.userData&&(i.userData=t.userData),void 0!==t.vertexColors&&("number"==typeof t.vertexColors?i.vertexColors=t.vertexColors>0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=n(r.value);break;case"c":i.uniforms[e].value=(new Ji).setHex(r.value);break;case"v2":i.uniforms[e].value=(new en).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new Ln).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new Tn).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new nn).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new ai).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=n(t.map)),void 0!==t.matcap&&(i.matcap=n(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=n(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=n(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=n(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new en).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=n(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=n(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=n(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=n(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=n(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=n(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=n(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=n(t.envMap)),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=n(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=n(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=n(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=n(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=n(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=n(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new en).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=n(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=n(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=n(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=n(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=n(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=n(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=n(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:Sh,SpriteMaterial:Xo,RawShaderMaterial:bh,ShaderMaterial:kr,PointsMaterial:Xl,MeshPhysicalMaterial:Th,MeshStandardMaterial:Eh,MeshPhongMaterial:wh,MeshToonMaterial:Ah,MeshNormalMaterial:Rh,MeshLambertMaterial:Ch,MeshDepthMaterial:So,MeshDistanceMaterial:bo,MeshBasicMaterial:$i,MeshMatcapMaterial:Lh,LineDashedMaterial:Ph,LineBasicMaterial:Dl,Material:Xi}[t]}}class Au{static decodeText(t){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let n=0,i=t.length;n<i;n++)e+=String.fromCharCode(t[n]);try{return decodeURIComponent(escape(e))}catch(t){return e}}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 Ru extends vr{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 Cu extends nu{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new su(r.manager);s.setPath(r.path),s.setRequestHeader(r.requestHeader),s.setWithCredentials(r.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e={},n={};function i(t,i){if(void 0!==e[i])return e[i];const r=t.interleavedBuffers[i],s=function(t,e){if(void 0!==n[e])return n[e];const i=t.arrayBuffers,r=i[e],s=new Uint32Array(r).buffer;return n[e]=s,s}(t,r.buffer),a=on(r.type,s),o=new ko(a,r.stride);return o.uuid=r.uuid,e[i]=o,o}const r=t.isInstancedBufferGeometry?new Ru:new vr,s=t.data.index;if(void 0!==s){const t=on(s.type,s.array);r.setIndex(new ar(t,1))}const a=t.data.attributes;for(const e in a){const n=a[e];let s;if(n.isInterleavedBufferAttribute){const e=i(t.data,n.data);s=new Wo(e,n.itemSize,n.offset,n.normalized)}else{const t=on(n.type,n.array);s=new(n.isInstancedBufferAttribute?Tl:ar)(t,n.itemSize,n.normalized)}void 0!==n.name&&(s.name=n.name),void 0!==n.usage&&s.setUsage(n.usage),void 0!==n.updateRange&&(s.updateRange.offset=n.updateRange.offset,s.updateRange.count=n.updateRange.count),r.setAttribute(e,s)}const o=t.data.morphAttributes;if(o)for(const e in o){const n=o[e],s=[];for(let e=0,r=n.length;e<r;e++){const r=n[e];let a;if(r.isInterleavedBufferAttribute){const e=i(t.data,r.data);a=new Wo(e,r.itemSize,r.offset,r.normalized)}else{const t=on(r.type,r.array);a=new ar(t,r.itemSize,r.normalized)}void 0!==r.name&&(a.name=r.name),s.push(a)}r.morphAttributes[e]=s}t.data.morphTargetsRelative&&(r.morphTargetsRelative=!0);const l=t.data.groups||t.data.drawcalls||t.data.offsets;if(void 0!==l)for(let t=0,e=l.length;t!==e;++t){const e=l[t];r.addGroup(e.start,e.count,e.materialIndex)}const c=t.data.boundingSphere;if(void 0!==c){const t=new Ln;void 0!==c.center&&t.fromArray(c.center),r.boundingSphere=new Kn(t,c.radius)}return t.name&&(r.name=t.name),t.userData&&(r.userData=t.userData),r}}const Lu={UVMapping:J,CubeReflectionMapping:K,CubeRefractionMapping:$,EquirectangularReflectionMapping:Q,EquirectangularRefractionMapping:tt,CubeUVReflectionMapping:et},Pu={RepeatWrapping:nt,ClampToEdgeWrapping:it,MirroredRepeatWrapping:rt},Iu={NearestFilter:st,NearestMipmapNearestFilter:at,NearestMipmapLinearFilter:ot,LinearFilter:lt,LinearMipmapNearestFilter:ct,LinearMipmapLinearFilter:ht};let Uu;class Du{static getContext(){return void 0===Uu&&(Uu=new(window.AudioContext||window.webkitAudioContext)),Uu}static setContext(t){Uu=t}}const Nu=new ai,Ou=new ai,Fu=new ai;class Bu{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=zu(),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=zu();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function zu(){return("undefined"==typeof performance?Date:performance).now()}const Gu=new Ln,Hu=new Cn,ku=new Ln,Vu=new Ln;class Wu extends Pi{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 console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.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;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.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(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){if(this.detune=t,void 0!==this.source.detune)return!0===this.isPlaying&&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;console.warn("THREE.Audio: this Audio has no playback control.")}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1}getLoop(){return!1===this.hasPlaybackControl?(console.warn("THREE.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;console.warn("THREE.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}}const Xu=new Ln,ju=new Cn,qu=new Ln,Yu=new Ln;class Zu{constructor(t,e,n){let i,r,s;switch(this.binding=t,this.valueSize=n,e){case"quaternion":i=this._slerp,r=this._slerpAdditive,s=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*n),this._workIndex=5;break;case"string":case"bool":i=this._select,r=this._select,s=this._setAdditiveIdentityOther,this.buffer=new Array(5*n);break;default:i=this._lerp,r=this._lerpAdditive,s=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*n)}this._mixBufferRegion=i,this._mixBufferRegionAdditive=r,this._setIdentity=s,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(t,e){const n=this.buffer,i=this.valueSize,r=t*i+i;let s=this.cumulativeWeight;if(0===s){for(let t=0;t!==i;++t)n[r+t]=n[t];s=e}else{s+=e;const t=e/s;this._mixBufferRegion(n,r,0,t,i)}this.cumulativeWeight=s}accumulateAdditive(t){const e=this.buffer,n=this.valueSize,i=n*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,i,0,t,n),this.cumulativeWeightAdditive+=t}apply(t){const e=this.valueSize,n=this.buffer,i=t*e+e,r=this.cumulativeWeight,s=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const t=e*this._origIndex;this._mixBufferRegion(n,i,t,1-r,e)}s>0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(n[t]!==n[t+e]){a.setValue(n,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(let t=n,r=i;t!==r;++t)e[t]=e[i+t%n];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 n=t;n<e;n++)this.buffer[n]=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 n=0;n<this.valueSize;n++)this.buffer[e+n]=this.buffer[t+n]}_select(t,e,n,i,r){if(i>=.5)for(let i=0;i!==r;++i)t[e+i]=t[n+i]}_slerp(t,e,n,i){Cn.slerpFlat(t,e,t,e,t,n,i)}_slerpAdditive(t,e,n,i,r){const s=this._workIndex*r;Cn.multiplyQuaternionsFlat(t,s,t,e,t,n),Cn.slerpFlat(t,e,t,e,t,s,i)}_lerp(t,e,n,i,r){const s=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[n+a]*i}}_lerpAdditive(t,e,n,i,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[n+s]*i}}}const Ju="\\[\\]\\.:\\/",Ku=new RegExp("["+Ju+"]","g"),$u="[^"+Ju+"]",Qu="[^"+Ju.replace("\\.","")+"]",td=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",$u)+/(WCOD+)?/.source.replace("WCOD",Qu)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",$u)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",$u)+"$"),ed=["material","materials","bones","map"];class nd{constructor(t,e,n){this.path=e,this.parsedPath=n||nd.parseTrackName(e),this.node=nd.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,n){return t&&t.isAnimationObjectGroup?new nd.Composite(t,e,n):new nd(t,e,n)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Ku,"")}static parseTrackName(t){const e=td.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=n.nodeName.substring(i+1);-1!==ed.indexOf(t)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=t)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){const n=function(t){for(let i=0;i<t.length;i++){const r=t[i];if(r.name===e||r.uuid===e)return r;const s=n(r.children);if(s)return s}return null},i=n(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 n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)t[e++]=n[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 n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=t[e++]}_setValue_array_setNeedsUpdate(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=t[e++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[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,n=e.objectName,i=e.propertyName;let r=e.propertyIndex;if(t||(t=nd.findNode(this.rootNode,e.nodeName),this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t)return void console.error("THREE.PropertyBinding: Trying to update node for track: "+this.path+" but it wasn't found.");if(n){let i=e.objectIndex;switch(n){case"materials":if(!t.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.materials)return void console.error("THREE.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 console.error("THREE.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 console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.map)return void console.error("THREE.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[n])return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);t=t[n]}if(void 0!==i){if(void 0===t[i])return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,t);t=t[i]}}const s=t[i];if(void 0===s){const n=e.nodeName;return void console.error("THREE.PropertyBinding: Trying to update property for track: "+n+"."+i+" but it wasn't found.",t)}let a=this.Versioning.None;this.targetObject=t,void 0!==t.needsUpdate?a=this.Versioning.NeedsUpdate:void 0!==t.matrixWorldNeedsUpdate&&(a=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===i){if(!t.geometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!t.geometry.morphAttributes)return void console.error("THREE.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=s,this.propertyIndex=r}else void 0!==s.fromArray&&void 0!==s.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=s):Array.isArray(s)?(o=this.BindingType.EntireArray,this.resolvedProperty=s):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}}nd.Composite=class{constructor(t,e,n){const i=n||nd.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,i)}getValue(t,e){this.bind();const n=this._targetGroup.nCachedObjects_,i=this._bindings[n];void 0!==i&&i.getValue(t,e)}setValue(t,e){const n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,r=n.length;i!==r;++i)n[i].setValue(t,e)}bind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].bind()}unbind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].unbind()}},nd.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},nd.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},nd.prototype.GetterByBindingType=[nd.prototype._getValue_direct,nd.prototype._getValue_array,nd.prototype._getValue_arrayElement,nd.prototype._getValue_toArray],nd.prototype.SetterByBindingTypeAndVersioning=[[nd.prototype._setValue_direct,nd.prototype._setValue_direct_setNeedsUpdate,nd.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[nd.prototype._setValue_array,nd.prototype._setValue_array_setNeedsUpdate,nd.prototype._setValue_array_setMatrixWorldNeedsUpdate],[nd.prototype._setValue_arrayElement,nd.prototype._setValue_arrayElement_setNeedsUpdate,nd.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[nd.prototype._setValue_fromArray,nd.prototype._setValue_fromArray_setNeedsUpdate,nd.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class id{constructor(t,e,n=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=n,this.blendMode=i;const r=e.tracks,s=r.length,a=new Array(s),o={endingStart:de,endingEnd:de};for(let t=0;t!==s;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=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,n){if(t.fadeOut(e),this.fadeIn(e),n){const n=this._clip.duration,i=t._clip.duration,r=i/n,s=n/i;t.warp(1,r,e),this.warp(s,1,e)}return this}crossFadeTo(t,e,n){return t.crossFadeFrom(this,e,n)}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,n){const i=this._mixer,r=i.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+n,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,n,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*n;i<0||0===n?e=0:(this._startTime=null,e=n*i)}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===ge)for(let n=0,i=t.length;n!==i;++n)t[n].evaluate(s),e[n].accumulateAdditive(a);else for(let n=0,r=t.length;n!==r;++n)t[n].evaluate(s),e[n].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(t)[0];e*=i,t>n.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 n=this._timeScaleInterpolant;if(null!==n){e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,n=this.loop;let i=this.time+t,r=this._loopCount;const s=2202===n;if(0===t)return-1===r?i:s&&1==(1&r)?e-i:i;if(2200===n){-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,s)):this._setEndings(0===this.repetitions,!0,s)),i>=e||i<0){const n=Math.floor(i/e);i-=e*n,r+=Math.abs(n);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,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(s&&1==(1&r))return e-i}return i}_setEndings(t,e,n){const i=this._interpolantSettings;n?(i.endingStart=pe,i.endingEnd=pe):(i.endingStart=t?this.zeroSlopeAtStart?pe:de:me,i.endingEnd=e?this.zeroSlopeAtEnd?pe:de:me)}_scheduleFading(t,e,n){const i=this._mixer,r=i.time;let s=this._weightInterpolant;null===s&&(s=i._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=n,this}}const rd=new Float32Array(1);class sd{constructor(t){this.value=t}clone(){return new sd(void 0===this.value.clone?this.value:this.value.clone())}}let ad=0;function od(t,e){return t.distance-e.distance}function ld(t,e,n,i){if(t.layers.test(e.layers)&&t.raycast(e,n),!0===i){const i=t.children;for(let t=0,r=i.length;t<r;t++)ld(i[t],e,n,!0)}}const cd=new en;const hd=new Ln,ud=new Ln;const dd=new Ln;const pd=new Ln,md=new ai,fd=new ai;function gd(t){const e=[];!0===t.isBone&&e.push(t);for(let n=0;n<t.children.length;n++)e.push.apply(e,gd(t.children[n]));return e}const vd=new Ln,_d=new Ji,yd=new Ji;const xd=new Ln,Md=new Ln,Sd=new Ln;const bd=new Ln,Ed=new Vr;function Td(t,e,n,i,r,s,a){bd.set(r,s,a).unproject(i);const o=e[t];if(void 0!==o){const t=n.getAttribute("position");for(let e=0,n=o.length;e<n;e++)t.setXYZ(o[e],bd.x,bd.y,bd.z)}}const wd=new Un;const Ad=new Ln;let Rd,Cd;"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:e}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=e),t.ACESFilmicToneMapping=Y,t.AddEquation=v,t.AddOperation=V,t.AdditiveAnimationBlendMode=ge,t.AdditiveBlending=p,t.AlphaFormat=St,t.AlwaysCompare=De,t.AlwaysDepth=D,t.AlwaysStencilFunc=519,t.AmbientLight=Su,t.AmbientLightProbe=class extends Tu{constructor(t,e=1){super(void 0,e),this.isAmbientLightProbe=!0;const n=(new Ji).set(t);this.sh.coefficients[0].set(n.r,n.g,n.b).multiplyScalar(2*Math.sqrt(Math.PI))}},t.AnimationAction=id,t.AnimationClip=Kh,t.AnimationLoader=class extends nu{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new su(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e=[];for(let n=0;n<t.length;n++){const i=Kh.parse(t[n]);e.push(i)}return e}},t.AnimationMixer=class extends Ge{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,s=t._propertyBindings,a=t._interpolants,o=n.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let t=0;t!==r;++t){const r=i[t],l=r.name;let h=c[l];if(void 0!==h)++h.referenceCount,s[t]=h;else{if(h=s[t],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;h=new Zu(nd.create(n,l,i),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[t]=h}a[t].resultBuffer=h.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}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,n){const i=this._actions,r=this._actionsByClip;let s=r[e];if(void 0===s)s={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=s;else{const e=s.knownActions;t._byClipCacheIndex=e.length,e.push(t)}t._cacheIndex=i.length,i.push(t),s.actionByRoot[n]=t}_removeInactiveAction(t){const e=this._actions,n=e[e.length-1],i=t._cacheIndex;n._cacheIndex=i,e[i]=n,e.pop(),t._cacheIndex=null;const r=t._clip.uuid,s=this._actionsByClip,a=s[r],o=a.knownActions,l=o[o.length-1],c=t._byClipCacheIndex;l._byClipCacheIndex=c,o[c]=l,o.pop(),t._byClipCacheIndex=null;delete a.actionByRoot[(t._localRoot||this._root).uuid],0===o.length&&delete s[r],this._removeInactiveBindingsForAction(t)}_removeInactiveBindingsForAction(t){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.referenceCount&&this._removeInactiveBinding(n)}}_lendAction(t){const e=this._actions,n=t._cacheIndex,i=this._nActiveActions++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_takeBackAction(t){const e=this._actions,n=t._cacheIndex,i=--this._nActiveActions,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_addInactiveBinding(t,e,n){const i=this._bindingsByRootAndName,r=this._bindings;let s=i[e];void 0===s&&(s={},i[e]=s),s[n]=t,t._cacheIndex=r.length,r.push(t)}_removeInactiveBinding(t){const e=this._bindings,n=t.binding,i=n.rootNode.uuid,r=n.path,s=this._bindingsByRootAndName,a=s[i],o=e[e.length-1],l=t._cacheIndex;o._cacheIndex=l,e[l]=o,e.pop(),delete a[r],0===Object.keys(a).length&&delete s[i]}_lendBinding(t){const e=this._bindings,n=t._cacheIndex,i=this._nActiveBindings++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_takeBackBinding(t){const e=this._bindings,n=t._cacheIndex,i=--this._nActiveBindings,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_lendControlInterpolant(){const t=this._controlInterpolants,e=this._nActiveControlInterpolants++;let n=t[e];return void 0===n&&(n=new Hh(new Float32Array(2),new Float32Array(2),1,rd),n.__cacheIndex=e,t[e]=n),n}_takeBackControlInterpolant(t){const e=this._controlInterpolants,n=t.__cacheIndex,i=--this._nActiveControlInterpolants,r=e[i];t.__cacheIndex=i,e[i]=t,r.__cacheIndex=n,e[n]=r}clipAction(t,e,n){const i=e||this._root,r=i.uuid;let s="string"==typeof t?Kh.findByName(i,t):t;const a=null!==s?s.uuid:t,o=this._actionsByClip[a];let l=null;if(void 0===n&&(n=null!==s?s.blendMode:fe),void 0!==o){const t=o.actionByRoot[r];if(void 0!==t&&t.blendMode===n)return t;l=o.knownActions[0],null===s&&(s=l._clip)}if(null===s)return null;const c=new id(this,s,e,n);return this._bindAction(c,l),this._addInactiveAction(c,a,r),c}existingAction(t,e){const n=e||this._root,i=n.uuid,r="string"==typeof t?Kh.findByName(n,t):t,s=r?r.uuid:t,a=this._actionsByClip[s];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,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==n;++a){e[a]._update(i,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);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,n=t.uuid,i=this._actionsByClip,r=i[n];if(void 0!==r){const t=r.knownActions;for(let n=0,i=t.length;n!==i;++n){const i=t[n];this._deactivateAction(i);const r=i._cacheIndex,s=e[e.length-1];i._cacheIndex=null,i._byClipCacheIndex=null,s._cacheIndex=r,e[r]=s,e.pop(),this._removeInactiveBindingsForAction(i)}delete i[n]}}uncacheRoot(t){const e=t.uuid,n=this._actionsByClip;for(const t in n){const i=n[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 n=this.existingAction(t,e);null!==n&&(this._deactivateAction(n),this._removeInactiveAction(n))}},t.AnimationObjectGroup=class{constructor(){this.isAnimationObjectGroup=!0,this.uuid=Xe(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;const t={};this._indicesByUUID=t;for(let e=0,n=arguments.length;e!==n;++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,n=this._paths,i=this._parsedPaths,r=this._bindings,s=r.length;let a,o=t.length,l=this.nCachedObjects_;for(let c=0,h=arguments.length;c!==h;++c){const h=arguments[c],u=h.uuid;let d=e[u];if(void 0===d){d=o++,e[u]=d,t.push(h);for(let t=0,e=s;t!==e;++t)r[t].push(new nd(h,n[t],i[t]))}else if(d<l){a=t[d];const o=--l,c=t[o];e[c.uuid]=d,t[d]=c,e[u]=o,t[o]=h;for(let t=0,e=s;t!==e;++t){const e=r[t],s=e[o];let a=e[d];e[d]=s,void 0===a&&(a=new nd(h,n[t],i[t])),e[o]=a}}else t[d]!==a&&console.error("THREE.AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=l}remove(){const t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length;let r=this.nCachedObjects_;for(let s=0,a=arguments.length;s!==a;++s){const a=arguments[s],o=a.uuid,l=e[o];if(void 0!==l&&l>=r){const s=r++,c=t[s];e[c.uuid]=l,t[l]=c,e[o]=s,t[s]=a;for(let t=0,e=i;t!==e;++t){const e=n[t],i=e[s],r=e[l];e[l]=i,e[s]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length;let r=this.nCachedObjects_,s=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,l=e[o];if(void 0!==l)if(delete e[o],l<r){const a=--r,o=t[a],c=--s,h=t[c];e[o.uuid]=l,t[l]=o,e[h.uuid]=a,t[a]=h,t.pop();for(let t=0,e=i;t!==e;++t){const e=n[t],i=e[a],r=e[c];e[l]=i,e[a]=r,e.pop()}}else{const r=--s,a=t[r];r>0&&(e[a.uuid]=l),t[l]=a,t.pop();for(let t=0,e=i;t!==e;++t){const e=n[t];e[l]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const n=this._bindingsIndicesByPath;let i=n[t];const r=this._bindings;if(void 0!==i)return r[i];const s=this._paths,a=this._parsedPaths,o=this._objects,l=o.length,c=this.nCachedObjects_,h=new Array(l);i=r.length,n[t]=i,s.push(t),a.push(e),r.push(h);for(let n=c,i=o.length;n!==i;++n){const i=o[n];h[n]=new nd(i,t,e)}return h}unsubscribe_(t){const e=this._bindingsIndicesByPath,n=e[t];if(void 0!==n){const i=this._paths,r=this._parsedPaths,s=this._bindings,a=s.length-1,o=s[a];e[t[a]]=n,s[n]=o,s.pop(),r[n]=r[a],r.pop(),i[n]=i[a],i.pop()}}},t.AnimationUtils=Bh,t.ArcCurve=ec,t.ArrayCamera=Ro,t.ArrowHelper=class extends Pi{constructor(t=new Ln(0,0,1),e=new Ln(0,0,0),n=1,i=16776960,r=.2*n,s=.2*r){super(),this.type="ArrowHelper",void 0===Rd&&(Rd=new vr,Rd.setAttribute("position",new cr([0,0,0,0,1,0],3)),Cd=new Ec(0,.5,1,5,1),Cd.translate(0,-.5,0)),this.position.copy(e),this.line=new Gl(Rd,new Dl({color:i,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Nr(Cd,new $i({color:i,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(t),this.setLength(n,r,s)}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{Ad.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Ad,e)}}setLength(t,e=.2*t,n=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),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()}},t.Audio=Wu,t.AudioAnalyser=class{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 n=0;n<e.length;n++)t+=e[n];return t/e.length}},t.AudioContext=Du,t.AudioListener=class extends Pi{constructor(){super(),this.type="AudioListener",this.context=Du.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Bu}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);const e=this.context.listener,n=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(Gu,Hu,ku),Vu.set(0,0,-1).applyQuaternion(Hu),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(Gu.x,t),e.positionY.linearRampToValueAtTime(Gu.y,t),e.positionZ.linearRampToValueAtTime(Gu.z,t),e.forwardX.linearRampToValueAtTime(Vu.x,t),e.forwardY.linearRampToValueAtTime(Vu.y,t),e.forwardZ.linearRampToValueAtTime(Vu.z,t),e.upX.linearRampToValueAtTime(n.x,t),e.upY.linearRampToValueAtTime(n.y,t),e.upZ.linearRampToValueAtTime(n.z,t)}else e.setPosition(Gu.x,Gu.y,Gu.z),e.setOrientation(Vu.x,Vu.y,Vu.z,n.x,n.y,n.z)}},t.AudioLoader=class extends nu{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new su(this.manager);function a(e){i?i(e):console.error(e),r.manager.itemError(t)}s.setResponseType("arraybuffer"),s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(t){try{const n=t.slice(0);Du.getContext().decodeAudioData(n,(function(t){e(t)}),a)}catch(t){a(t)}}),n,i)}},t.AxesHelper=class extends Vl{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],n=new vr;n.setAttribute("position",new cr(e,3)),n.setAttribute("color",new cr([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(n,new Dl({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,n){const i=new Ji,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(n),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}},t.BackSide=c,t.BasicDepthPacking=3200,t.BasicShadowMap=0,t.Bone=xl,t.BooleanKeyframeTrack=Wh,t.Box2=class{constructor(t=new en(1/0,1/0),e=new en(-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,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=cd.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),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,cd).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)}},t.Box3=Un,t.Box3Helper=class extends Vl{constructor(t,e=16776960){const n=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 vr;i.setIndex(new ar(n,1)),i.setAttribute("position",new cr([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 Dl({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()}},t.BoxBufferGeometry=class extends Fr{constructor(t,e,n,i,r,s){console.warn("THREE.BoxBufferGeometry has been renamed to THREE.BoxGeometry."),super(t,e,n,i,r,s)}},t.BoxGeometry=Fr,t.BoxHelper=class extends Vl{constructor(t,e=16776960){const n=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 vr;r.setIndex(new ar(n,1)),r.setAttribute("position",new ar(i,3)),super(r,new Dl({color:e,toneMapped:!1})),this.object=t,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(t){if(void 0!==t&&console.warn("THREE.BoxHelper: .update() has no longer arguments."),void 0!==this.object&&wd.setFromObject(this.object),wd.isEmpty())return;const e=wd.min,n=wd.max,i=this.geometry.attributes.position,r=i.array;r[0]=n.x,r[1]=n.y,r[2]=n.z,r[3]=e.x,r[4]=n.y,r[5]=n.z,r[6]=e.x,r[7]=e.y,r[8]=n.z,r[9]=n.x,r[10]=e.y,r[11]=n.z,r[12]=n.x,r[13]=n.y,r[14]=e.z,r[15]=e.x,r[16]=n.y,r[17]=e.z,r[18]=e.x,r[19]=e.y,r[20]=e.z,r[21]=n.x,r[22]=e.y,r[23]=e.z,i.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()}},t.BufferAttribute=ar,t.BufferGeometry=vr,t.BufferGeometryLoader=Cu,t.ByteType=dt,t.Cache=Qh,t.Camera=Vr,t.CameraHelper=class extends Vl{constructor(t){const e=new vr,n=new Dl({color:16777215,vertexColors:!0,toneMapped:!1}),i=[],r=[],s={};function a(t,e){o(t),o(e)}function o(t){i.push(0,0,0),r.push(0,0,0),void 0===s[t]&&(s[t]=[]),s[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 cr(i,3)),e.setAttribute("color",new cr(r,3)),super(e,n),this.type="CameraHelper",this.camera=t,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=s,this.update();const l=new Ji(16755200),c=new Ji(16711680),h=new Ji(43775),u=new Ji(16777215),d=new Ji(3355443);this.setColors(l,c,h,u,d)}setColors(t,e,n,i,r){const s=this.geometry.getAttribute("color");s.setXYZ(0,t.r,t.g,t.b),s.setXYZ(1,t.r,t.g,t.b),s.setXYZ(2,t.r,t.g,t.b),s.setXYZ(3,t.r,t.g,t.b),s.setXYZ(4,t.r,t.g,t.b),s.setXYZ(5,t.r,t.g,t.b),s.setXYZ(6,t.r,t.g,t.b),s.setXYZ(7,t.r,t.g,t.b),s.setXYZ(8,t.r,t.g,t.b),s.setXYZ(9,t.r,t.g,t.b),s.setXYZ(10,t.r,t.g,t.b),s.setXYZ(11,t.r,t.g,t.b),s.setXYZ(12,t.r,t.g,t.b),s.setXYZ(13,t.r,t.g,t.b),s.setXYZ(14,t.r,t.g,t.b),s.setXYZ(15,t.r,t.g,t.b),s.setXYZ(16,t.r,t.g,t.b),s.setXYZ(17,t.r,t.g,t.b),s.setXYZ(18,t.r,t.g,t.b),s.setXYZ(19,t.r,t.g,t.b),s.setXYZ(20,t.r,t.g,t.b),s.setXYZ(21,t.r,t.g,t.b),s.setXYZ(22,t.r,t.g,t.b),s.setXYZ(23,t.r,t.g,t.b),s.setXYZ(24,e.r,e.g,e.b),s.setXYZ(25,e.r,e.g,e.b),s.setXYZ(26,e.r,e.g,e.b),s.setXYZ(27,e.r,e.g,e.b),s.setXYZ(28,e.r,e.g,e.b),s.setXYZ(29,e.r,e.g,e.b),s.setXYZ(30,e.r,e.g,e.b),s.setXYZ(31,e.r,e.g,e.b),s.setXYZ(32,n.r,n.g,n.b),s.setXYZ(33,n.r,n.g,n.b),s.setXYZ(34,n.r,n.g,n.b),s.setXYZ(35,n.r,n.g,n.b),s.setXYZ(36,n.r,n.g,n.b),s.setXYZ(37,n.r,n.g,n.b),s.setXYZ(38,i.r,i.g,i.b),s.setXYZ(39,i.r,i.g,i.b),s.setXYZ(40,r.r,r.g,r.b),s.setXYZ(41,r.r,r.g,r.b),s.setXYZ(42,r.r,r.g,r.b),s.setXYZ(43,r.r,r.g,r.b),s.setXYZ(44,r.r,r.g,r.b),s.setXYZ(45,r.r,r.g,r.b),s.setXYZ(46,r.r,r.g,r.b),s.setXYZ(47,r.r,r.g,r.b),s.setXYZ(48,r.r,r.g,r.b),s.setXYZ(49,r.r,r.g,r.b),s.needsUpdate=!0}update(){const t=this.geometry,e=this.pointMap;Ed.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),Td("c",e,t,Ed,0,0,-1),Td("t",e,t,Ed,0,0,1),Td("n1",e,t,Ed,-1,-1,-1),Td("n2",e,t,Ed,1,-1,-1),Td("n3",e,t,Ed,-1,1,-1),Td("n4",e,t,Ed,1,1,-1),Td("f1",e,t,Ed,-1,-1,1),Td("f2",e,t,Ed,1,-1,1),Td("f3",e,t,Ed,-1,1,1),Td("f4",e,t,Ed,1,1,1),Td("u1",e,t,Ed,.7,1.1,-1),Td("u2",e,t,Ed,-.7,1.1,-1),Td("u3",e,t,Ed,0,2,-1),Td("cf1",e,t,Ed,-1,0,1),Td("cf2",e,t,Ed,1,0,1),Td("cf3",e,t,Ed,0,-1,1),Td("cf4",e,t,Ed,0,1,1),Td("cn1",e,t,Ed,-1,0,-1),Td("cn2",e,t,Ed,1,0,-1),Td("cn3",e,t,Ed,0,-1,-1),Td("cn4",e,t,Ed,0,1,-1),t.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}},t.CanvasTexture=class extends En{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}},t.CapsuleBufferGeometry=class extends Sc{constructor(t,e,n,i){console.warn("THREE.CapsuleBufferGeometry has been renamed to THREE.CapsuleGeometry."),super(t,e,n,i)}},t.CapsuleGeometry=Sc,t.CatmullRomCurve3=oc,t.CineonToneMapping=q,t.CircleBufferGeometry=class extends bc{constructor(t,e,n,i){console.warn("THREE.CircleBufferGeometry has been renamed to THREE.CircleGeometry."),super(t,e,n,i)}},t.CircleGeometry=bc,t.ClampToEdgeWrapping=it,t.Clock=Bu,t.Color=Ji,t.ColorKeyframeTrack=Xh,t.ColorManagement=vn,t.CompressedArrayTexture=class extends $l{constructor(t,e,n,i,r,s){super(t,e,n,r,s),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=it}},t.CompressedTexture=$l,t.CompressedTextureLoader=class extends nu{constructor(t){super(t)}load(t,e,n,i){const r=this,s=[],a=new $l,o=new su(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(r.withCredentials);let l=0;function c(c){o.load(t[c],(function(t){const n=r.parse(t,!0);s[c]={width:n.width,height:n.height,format:n.format,mipmaps:n.mipmaps},l+=1,6===l&&(1===n.mipmapCount&&(a.minFilter=lt),a.image=s,a.format=n.format,a.needsUpdate=!0,e&&e(a))}),n,i)}if(Array.isArray(t))for(let e=0,n=t.length;e<n;++e)c(e);else o.load(t,(function(t){const n=r.parse(t,!0);if(n.isCubemap){const t=n.mipmaps.length/n.mipmapCount;for(let e=0;e<t;e++){s[e]={mipmaps:[]};for(let t=0;t<n.mipmapCount;t++)s[e].mipmaps.push(n.mipmaps[e*n.mipmapCount+t]),s[e].format=n.format,s[e].width=n.width,s[e].height=n.height}a.image=s}else a.image.width=n.width,a.image.height=n.height,a.mipmaps=n.mipmaps;1===n.mipmapCount&&(a.minFilter=lt),a.format=n.format,a.needsUpdate=!0,e&&e(a)}),n,i);return a}},t.ConeBufferGeometry=class extends Tc{constructor(t,e,n,i,r,s,a){console.warn("THREE.ConeBufferGeometry has been renamed to THREE.ConeGeometry."),super(t,e,n,i,r,s,a)}},t.ConeGeometry=Tc,t.CubeCamera=jr,t.CubeReflectionMapping=K,t.CubeRefractionMapping=$,t.CubeTexture=qr,t.CubeTextureLoader=class extends nu{constructor(t){super(t)}load(t,e,n,i){const r=new qr;r.colorSpace=be;const s=new au(this.manager);s.setCrossOrigin(this.crossOrigin),s.setPath(this.path);let a=0;function o(n){s.load(t[n],(function(t){r.images[n]=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}},t.CubeUVReflectionMapping=et,t.CubicBezierCurve=uc,t.CubicBezierCurve3=dc,t.CubicInterpolant=Gh,t.CullFaceBack=i,t.CullFaceFront=r,t.CullFaceFrontBack=3,t.CullFaceNone=n,t.Curve=Ql,t.CurvePath=yc,t.CustomBlending=g,t.CustomToneMapping=Z,t.CylinderBufferGeometry=class extends Ec{constructor(t,e,n,i,r,s,a,o){console.warn("THREE.CylinderBufferGeometry has been renamed to THREE.CylinderGeometry."),super(t,e,n,i,r,s,a,o)}},t.CylinderGeometry=Ec,t.Cylindrical=class{constructor(t=1,e=0,n=0){return this.radius=t,this.theta=e,this.y=n,this}set(t,e,n){return this.radius=t,this.theta=e,this.y=n,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,n){return this.radius=Math.sqrt(t*t+n*n),this.theta=Math.atan2(t,n),this.y=e,this}clone(){return(new this.constructor).copy(this)}},t.Data3DTexture=Rn,t.DataArrayTexture=An,t.DataTexture=Ml,t.DataTextureLoader=class extends nu{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Ml,a=new su(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(t,(function(t){const n=r.parse(t);n&&(void 0!==n.image?s.image=n.image:void 0!==n.data&&(s.image.width=n.width,s.image.height=n.height,s.image.data=n.data),s.wrapS=void 0!==n.wrapS?n.wrapS:it,s.wrapT=void 0!==n.wrapT?n.wrapT:it,s.magFilter=void 0!==n.magFilter?n.magFilter:lt,s.minFilter=void 0!==n.minFilter?n.minFilter:lt,s.anisotropy=void 0!==n.anisotropy?n.anisotropy:1,void 0!==n.colorSpace?s.colorSpace=n.colorSpace:void 0!==n.encoding&&(s.encoding=n.encoding),void 0!==n.flipY&&(s.flipY=n.flipY),void 0!==n.format&&(s.format=n.format),void 0!==n.type&&(s.type=n.type),void 0!==n.mipmaps&&(s.mipmaps=n.mipmaps,s.minFilter=ht),1===n.mipmapCount&&(s.minFilter=lt),void 0!==n.generateMipmaps&&(s.generateMipmaps=n.generateMipmaps),s.needsUpdate=!0,e&&e(s,n))}),n,i),s}},t.DataUtils=ir,t.DecrementStencilOp=7683,t.DecrementWrapStencilOp=34056,t.DefaultLoadingManager=eu,t.DepthFormat=wt,t.DepthStencilFormat=At,t.DepthTexture=Io,t.DirectionalLight=Mu,t.DirectionalLightHelper=class extends Pi{constructor(t,e,n){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,this.type="DirectionalLightHelper",void 0===e&&(e=1);let i=new vr;i.setAttribute("position",new cr([-e,e,0,e,e,0,e,-e,0,-e,-e,0,-e,e,0],3));const r=new Dl({fog:!1,toneMapped:!1});this.lightPlane=new Gl(i,r),this.add(this.lightPlane),i=new vr,i.setAttribute("position",new cr([0,0,0,0,0,1],3)),this.targetLine=new Gl(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.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),xd.setFromMatrixPosition(this.light.matrixWorld),Md.setFromMatrixPosition(this.light.target.matrixWorld),Sd.subVectors(Md,xd),this.lightPlane.lookAt(Md),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(Md),this.targetLine.scale.z=Sd.length()}},t.DiscreteInterpolant=kh,t.DisplayP3ColorSpace=Te,t.DodecahedronBufferGeometry=class extends Ac{constructor(t,e){console.warn("THREE.DodecahedronBufferGeometry has been renamed to THREE.DodecahedronGeometry."),super(t,e)}},t.DodecahedronGeometry=Ac,t.DoubleSide=h,t.DstAlphaFactor=R,t.DstColorFactor=L,t.DynamicCopyUsage=35050,t.DynamicDrawUsage=35048,t.DynamicReadUsage=35049,t.EdgesGeometry=Ic,t.EllipseCurve=tc,t.EqualCompare=Ce,t.EqualDepth=F,t.EqualStencilFunc=514,t.EquirectangularReflectionMapping=Q,t.EquirectangularRefractionMapping=tt,t.Euler=gi,t.EventDispatcher=Ge,t.ExtrudeBufferGeometry=class extends lh{constructor(t,e){console.warn("THREE.ExtrudeBufferGeometry has been renamed to THREE.ExtrudeGeometry."),super(t,e)}},t.ExtrudeGeometry=lh,t.FileLoader=su,t.Float16BufferAttribute=class extends ar{constructor(t,e,n){super(new Uint16Array(t),e,n),this.isFloat16BufferAttribute=!0}getX(t){let e=nr(this.array[t*this.itemSize]);return this.normalized&&(e=$e(e,this.array)),e}setX(t,e){return this.normalized&&(e=Qe(e,this.array)),this.array[t*this.itemSize]=er(e),this}getY(t){let e=nr(this.array[t*this.itemSize+1]);return this.normalized&&(e=$e(e,this.array)),e}setY(t,e){return this.normalized&&(e=Qe(e,this.array)),this.array[t*this.itemSize+1]=er(e),this}getZ(t){let e=nr(this.array[t*this.itemSize+2]);return this.normalized&&(e=$e(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Qe(e,this.array)),this.array[t*this.itemSize+2]=er(e),this}getW(t){let e=nr(this.array[t*this.itemSize+3]);return this.normalized&&(e=$e(e,this.array)),e}setW(t,e){return this.normalized&&(e=Qe(e,this.array)),this.array[t*this.itemSize+3]=er(e),this}setXY(t,e,n){return t*=this.itemSize,this.normalized&&(e=Qe(e,this.array),n=Qe(n,this.array)),this.array[t+0]=er(e),this.array[t+1]=er(n),this}setXYZ(t,e,n,i){return t*=this.itemSize,this.normalized&&(e=Qe(e,this.array),n=Qe(n,this.array),i=Qe(i,this.array)),this.array[t+0]=er(e),this.array[t+1]=er(n),this.array[t+2]=er(i),this}setXYZW(t,e,n,i,r){return t*=this.itemSize,this.normalized&&(e=Qe(e,this.array),n=Qe(n,this.array),i=Qe(i,this.array),r=Qe(r,this.array)),this.array[t+0]=er(e),this.array[t+1]=er(n),this.array[t+2]=er(i),this.array[t+3]=er(r),this}},t.Float32BufferAttribute=cr,t.Float64BufferAttribute=class extends ar{constructor(t,e,n){super(new Float64Array(t),e,n)}},t.FloatType=vt,t.Fog=Go,t.FogExp2=zo,t.FramebufferTexture=class extends En{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=st,this.minFilter=st,this.generateMipmaps=!1,this.needsUpdate=!0}},t.FrontSide=l,t.Frustum=es,t.GLBufferAttribute=class{constructor(t,e,n,i,r){this.isGLBufferAttribute=!0,this.name="",this.buffer=t,this.type=e,this.itemSize=n,this.elementSize=i,this.count=r,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}},t.GLSL1="100",t.GLSL3=Oe,t.GreaterCompare=Pe,t.GreaterDepth=z,t.GreaterEqualCompare=Ue,t.GreaterEqualDepth=B,t.GreaterEqualStencilFunc=518,t.GreaterStencilFunc=516,t.GridHelper=class extends Vl{constructor(t=10,e=10,n=4473924,i=8947848){n=new Ji(n),i=new Ji(i);const r=e/2,s=t/e,a=t/2,o=[],l=[];for(let t=0,c=0,h=-a;t<=e;t++,h+=s){o.push(-a,0,h,a,0,h),o.push(h,0,-a,h,0,a);const e=t===r?n:i;e.toArray(l,c),c+=3,e.toArray(l,c),c+=3,e.toArray(l,c),c+=3,e.toArray(l,c),c+=3}const c=new vr;c.setAttribute("position",new cr(o,3)),c.setAttribute("color",new cr(l,3));super(c,new Dl({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}},t.Group=Co,t.HalfFloatType=_t,t.HemisphereLight=lu,t.HemisphereLightHelper=class extends Pi{constructor(t,e,n){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,this.type="HemisphereLightHelper";const i=new uh(e);i.rotateY(.5*Math.PI),this.material=new $i({wireframe:!0,fog:!1,toneMapped:!1}),void 0===this.color&&(this.material.vertexColors=!0);const r=i.getAttribute("position"),s=new Float32Array(3*r.count);i.setAttribute("color",new ar(s,3)),this.add(new Nr(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");_d.copy(this.light.color),yd.copy(this.light.groundColor);for(let t=0,n=e.count;t<n;t++){const i=t<n/2?_d:yd;e.setXYZ(t,i.r,i.g,i.b)}e.needsUpdate=!0}this.light.updateWorldMatrix(!0,!1),t.lookAt(vd.setFromMatrixPosition(this.light.matrixWorld).negate())}},t.HemisphereLightProbe=class extends Tu{constructor(t,e,n=1){super(void 0,n),this.isHemisphereLightProbe=!0;const i=(new Ji).set(t),r=(new Ji).set(e),s=new Ln(i.r,i.g,i.b),a=new Ln(r.r,r.g,r.b),o=Math.sqrt(Math.PI),l=o*Math.sqrt(.75);this.sh.coefficients[0].copy(s).add(a).multiplyScalar(o),this.sh.coefficients[1].copy(s).sub(a).multiplyScalar(l)}},t.IcosahedronBufferGeometry=class extends hh{constructor(t,e){console.warn("THREE.IcosahedronBufferGeometry has been renamed to THREE.IcosahedronGeometry."),super(t,e)}},t.IcosahedronGeometry=hh,t.ImageBitmapLoader=class extends nu{constructor(t){super(t),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(t){return this.options=t,this}load(t,e,n,i){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=Qh.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){Qh.add(t,n),e&&e(n),r.manager.itemEnd(t)})).catch((function(e){i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)})),r.manager.itemStart(t)}},t.ImageLoader=au,t.ImageUtils=yn,t.IncrementStencilOp=7682,t.IncrementWrapStencilOp=34055,t.InstancedBufferAttribute=Tl,t.InstancedBufferGeometry=Ru,t.InstancedInterleavedBuffer=class extends ko{constructor(t,e,n=1){super(t,e),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=n}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}},t.InstancedMesh=Ul,t.Int16BufferAttribute=class extends ar{constructor(t,e,n){super(new Int16Array(t),e,n)}},t.Int32BufferAttribute=class extends ar{constructor(t,e,n){super(new Int32Array(t),e,n)}},t.Int8BufferAttribute=class extends ar{constructor(t,e,n){super(new Int8Array(t),e,n)}},t.IntType=ft,t.InterleavedBuffer=ko,t.InterleavedBufferAttribute=Wo,t.Interpolant=zh,t.InterpolateDiscrete=ce,t.InterpolateLinear=he,t.InterpolateSmooth=ue,t.InvertStencilOp=5386,t.KeepStencilOp=we,t.KeyframeTrack=Vh,t.LOD=cl,t.LatheBufferGeometry=class extends Mc{constructor(t,e,n,i){console.warn("THREE.LatheBufferGeometry has been renamed to THREE.LatheGeometry."),super(t,e,n,i)}},t.LatheGeometry=Mc,t.Layers=vi,t.LessCompare=Re,t.LessDepth=N,t.LessEqualCompare=Le,t.LessEqualDepth=O,t.LessEqualStencilFunc=515,t.LessStencilFunc=513,t.Light=ou,t.LightProbe=Tu,t.Line=Gl,t.Line3=class{constructor(t=new Ln,e=new Ln){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){hd.subVectors(t,this.start),ud.subVectors(this.end,this.start);const n=ud.dot(ud);let i=ud.dot(hd)/n;return e&&(i=je(i,0,1)),i}closestPointToPoint(t,e,n){const i=this.closestPointToPointParameter(t,e);return this.delta(n).multiplyScalar(i).add(this.start)}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)}},t.LineBasicMaterial=Dl,t.LineCurve=pc,t.LineCurve3=mc,t.LineDashedMaterial=Ph,t.LineLoop=Wl,t.LineSegments=Vl,t.LinearEncoding=ve,t.LinearFilter=lt,t.LinearInterpolant=Hh,t.LinearMipMapLinearFilter=1008,t.LinearMipMapNearestFilter=1007,t.LinearMipmapLinearFilter=ht,t.LinearMipmapNearestFilter=ct,t.LinearSRGBColorSpace=Ee,t.LinearToneMapping=X,t.Loader=nu,t.LoaderUtils=Au,t.LoadingManager=tu,t.LoopOnce=2200,t.LoopPingPong=2202,t.LoopRepeat=2201,t.LuminanceAlphaFormat=Tt,t.LuminanceFormat=Et,t.MOUSE={LEFT:0,MIDDLE:1,RIGHT:2,ROTATE:0,DOLLY:1,PAN:2},t.Material=Xi,t.MaterialLoader=wu,t.MathUtils=tn,t.Matrix3=nn,t.Matrix4=ai,t.MaxEquation=M,t.Mesh=Nr,t.MeshBasicMaterial=$i,t.MeshDepthMaterial=So,t.MeshDistanceMaterial=bo,t.MeshLambertMaterial=Ch,t.MeshMatcapMaterial=Lh,t.MeshNormalMaterial=Rh,t.MeshPhongMaterial=wh,t.MeshPhysicalMaterial=Th,t.MeshStandardMaterial=Eh,t.MeshToonMaterial=Ah,t.MinEquation=x,t.MirroredRepeatWrapping=rt,t.MixOperation=k,t.MultiplyBlending=f,t.MultiplyOperation=H,t.NearestFilter=st,t.NearestMipMapLinearFilter=1005,t.NearestMipMapNearestFilter=1004,t.NearestMipmapLinearFilter=ot,t.NearestMipmapNearestFilter=at,t.NeverCompare=Ae,t.NeverDepth=U,t.NeverStencilFunc=512,t.NoBlending=u,t.NoColorSpace=Se,t.NoToneMapping=W,t.NormalAnimationBlendMode=fe,t.NormalBlending=d,t.NotEqualCompare=Ie,t.NotEqualDepth=G,t.NotEqualStencilFunc=517,t.NumberKeyframeTrack=jh,t.Object3D=Pi,t.ObjectLoader=class extends nu{constructor(t){super(t)}load(t,e,n,i){const r=this,s=""===this.path?Au.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||s;const a=new su(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(t,(function(n){let s=null;try{s=JSON.parse(n)}catch(e){return void 0!==i&&i(e),void console.error("THREE:ObjectLoader: Can't parse "+t+".",e.message)}const a=s.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 console.error("THREE.ObjectLoader: Can't load "+t);r.parse(s,e)}),n,i)}async loadAsync(t,e){const n=""===this.path?Au.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||n;const i=new su(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials);const r=await i.loadAsync(t,e),s=JSON.parse(r),a=s.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(s)}parse(t,e){const n=this.parseAnimations(t.animations),i=this.parseShapes(t.shapes),r=this.parseGeometries(t.geometries,i),s=this.parseImages(t.images,(function(){void 0!==e&&e(l)})),a=this.parseTextures(t.textures,s),o=this.parseMaterials(t.materials,a),l=this.parseObject(t.object,r,o,a,n),c=this.parseSkeletons(t.skeletons,l);if(this.bindSkeletons(l,c),void 0!==e){let t=!1;for(const e in s)if(s[e].data instanceof HTMLImageElement){t=!0;break}!1===t&&e(l)}return l}async parseAsync(t){const e=this.parseAnimations(t.animations),n=this.parseShapes(t.shapes),i=this.parseGeometries(t.geometries,n),r=await this.parseImagesAsync(t.images),s=this.parseTextures(t.textures,r),a=this.parseMaterials(t.materials,s),o=this.parseObject(t.object,i,a,s,e),l=this.parseSkeletons(t.skeletons,o);return this.bindSkeletons(o,l),o}parseShapes(t){const e={};if(void 0!==t)for(let n=0,i=t.length;n<i;n++){const i=(new Uc).fromJSON(t[n]);e[i.uuid]=i}return e}parseSkeletons(t,e){const n={},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 El).fromJSON(t[e],i);n[r.uuid]=r}return n}parseGeometries(t,e){const n={};if(void 0!==t){const i=new Cu;for(let r=0,s=t.length;r<s;r++){let s;const a=t[r];switch(a.type){case"BufferGeometry":case"InstancedBufferGeometry":s=i.parse(a);break;default:a.type in Mh?s=Mh[a.type].fromJSON(a,e):console.warn(`THREE.ObjectLoader: Unsupported geometry type "${a.type}"`)}s.uuid=a.uuid,void 0!==a.name&&(s.name=a.name),void 0!==a.userData&&(s.userData=a.userData),n[a.uuid]=s}}return n}parseMaterials(t,e){const n={},i={};if(void 0!==t){const r=new wu;r.setTextures(e);for(let e=0,s=t.length;e<s;e++){const s=t[e];void 0===n[s.uuid]&&(n[s.uuid]=r.parse(s)),i[s.uuid]=n[s.uuid]}}return i}parseAnimations(t){const e={};if(void 0!==t)for(let n=0;n<t.length;n++){const i=t[n],r=Kh.parse(i);e[r.uuid]=r}return e}parseImages(t,e){const n=this,i={};let r;function s(t){if("string"==typeof t){const e=t;return function(t){return n.manager.itemStart(t),r.load(t,(function(){n.manager.itemEnd(t)}),void 0,(function(){n.manager.itemError(t),n.manager.itemEnd(t)}))}(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:n.resourcePath+e)}return t.data?{data:on(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){const n=new tu(e);r=new au(n),r.setCrossOrigin(this.crossOrigin);for(let e=0,n=t.length;e<n;e++){const n=t[e],r=n.url;if(Array.isArray(r)){const t=[];for(let e=0,n=r.length;e<n;e++){const n=s(r[e]);null!==n&&(n instanceof HTMLImageElement?t.push(n):t.push(new Ml(n.data,n.width,n.height)))}i[n.uuid]=new Mn(t)}else{const t=s(n.url);i[n.uuid]=new Mn(t)}}}return i}async parseImagesAsync(t){const e=this,n={};let i;async function r(t){if("string"==typeof t){const n=t,r=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(n)?n:e.resourcePath+n;return await i.loadAsync(r)}return t.data?{data:on(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){i=new au(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e<i;e++){const i=t[e],s=i.url;if(Array.isArray(s)){const t=[];for(let e=0,n=s.length;e<n;e++){const n=s[e],i=await r(n);null!==i&&(i instanceof HTMLImageElement?t.push(i):t.push(new Ml(i.data,i.width,i.height)))}n[i.uuid]=new Mn(t)}else{const t=await r(i.url);n[i.uuid]=new Mn(t)}}}return n}parseTextures(t,e){function n(t,e){return"number"==typeof t?t:(console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.",t),e[t])}const i={};if(void 0!==t)for(let r=0,s=t.length;r<s;r++){const s=t[r];void 0===s.image&&console.warn('THREE.ObjectLoader: No "image" specified for',s.uuid),void 0===e[s.image]&&console.warn("THREE.ObjectLoader: Undefined image",s.image);const a=e[s.image],o=a.data;let l;Array.isArray(o)?(l=new qr,6===o.length&&(l.needsUpdate=!0)):(l=o&&o.data?new Ml:new En,o&&(l.needsUpdate=!0)),l.source=a,l.uuid=s.uuid,void 0!==s.name&&(l.name=s.name),void 0!==s.mapping&&(l.mapping=n(s.mapping,Lu)),void 0!==s.channel&&(l.channel=s.channel),void 0!==s.offset&&l.offset.fromArray(s.offset),void 0!==s.repeat&&l.repeat.fromArray(s.repeat),void 0!==s.center&&l.center.fromArray(s.center),void 0!==s.rotation&&(l.rotation=s.rotation),void 0!==s.wrap&&(l.wrapS=n(s.wrap[0],Pu),l.wrapT=n(s.wrap[1],Pu)),void 0!==s.format&&(l.format=s.format),void 0!==s.internalFormat&&(l.internalFormat=s.internalFormat),void 0!==s.type&&(l.type=s.type),void 0!==s.colorSpace&&(l.colorSpace=s.colorSpace),void 0!==s.encoding&&(l.encoding=s.encoding),void 0!==s.minFilter&&(l.minFilter=n(s.minFilter,Iu)),void 0!==s.magFilter&&(l.magFilter=n(s.magFilter,Iu)),void 0!==s.anisotropy&&(l.anisotropy=s.anisotropy),void 0!==s.flipY&&(l.flipY=s.flipY),void 0!==s.generateMipmaps&&(l.generateMipmaps=s.generateMipmaps),void 0!==s.premultiplyAlpha&&(l.premultiplyAlpha=s.premultiplyAlpha),void 0!==s.unpackAlignment&&(l.unpackAlignment=s.unpackAlignment),void 0!==s.compareFunction&&(l.compareFunction=s.compareFunction),void 0!==s.userData&&(l.userData=s.userData),i[s.uuid]=l}return i}parseObject(t,e,n,i,r){let s,a,o;function l(t){return void 0===e[t]&&console.warn("THREE.ObjectLoader: Undefined geometry",t),e[t]}function c(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===n[r]&&console.warn("THREE.ObjectLoader: Undefined material",r),e.push(n[r])}return e}return void 0===n[t]&&console.warn("THREE.ObjectLoader: Undefined material",t),n[t]}}function h(t){return void 0===i[t]&&console.warn("THREE.ObjectLoader: Undefined texture",t),i[t]}switch(t.type){case"Scene":s=new Ho,void 0!==t.background&&(Number.isInteger(t.background)?s.background=new Ji(t.background):s.background=h(t.background)),void 0!==t.environment&&(s.environment=h(t.environment)),void 0!==t.fog&&("Fog"===t.fog.type?s.fog=new Go(t.fog.color,t.fog.near,t.fog.far):"FogExp2"===t.fog.type&&(s.fog=new zo(t.fog.color,t.fog.density))),void 0!==t.backgroundBlurriness&&(s.backgroundBlurriness=t.backgroundBlurriness),void 0!==t.backgroundIntensity&&(s.backgroundIntensity=t.backgroundIntensity);break;case"PerspectiveCamera":s=new Wr(t.fov,t.aspect,t.near,t.far),void 0!==t.focus&&(s.focus=t.focus),void 0!==t.zoom&&(s.zoom=t.zoom),void 0!==t.filmGauge&&(s.filmGauge=t.filmGauge),void 0!==t.filmOffset&&(s.filmOffset=t.filmOffset),void 0!==t.view&&(s.view=Object.assign({},t.view));break;case"OrthographicCamera":s=new fs(t.left,t.right,t.top,t.bottom,t.near,t.far),void 0!==t.zoom&&(s.zoom=t.zoom),void 0!==t.view&&(s.view=Object.assign({},t.view));break;case"AmbientLight":s=new Su(t.color,t.intensity);break;case"DirectionalLight":s=new Mu(t.color,t.intensity);break;case"PointLight":s=new yu(t.color,t.intensity,t.distance,t.decay);break;case"RectAreaLight":s=new bu(t.color,t.intensity,t.width,t.height);break;case"SpotLight":s=new mu(t.color,t.intensity,t.distance,t.angle,t.penumbra,t.decay);break;case"HemisphereLight":s=new lu(t.color,t.groundColor,t.intensity);break;case"LightProbe":s=(new Tu).fromJSON(t);break;case"SkinnedMesh":a=l(t.geometry),o=c(t.material),s=new yl(a,o),void 0!==t.bindMode&&(s.bindMode=t.bindMode),void 0!==t.bindMatrix&&s.bindMatrix.fromArray(t.bindMatrix),void 0!==t.skeleton&&(s.skeleton=t.skeleton);break;case"Mesh":a=l(t.geometry),o=c(t.material),s=new Nr(a,o);break;case"InstancedMesh":a=l(t.geometry),o=c(t.material);const e=t.count,n=t.instanceMatrix,i=t.instanceColor;s=new Ul(a,o,e),s.instanceMatrix=new Tl(new Float32Array(n.array),16),void 0!==i&&(s.instanceColor=new Tl(new Float32Array(i.array),i.itemSize));break;case"LOD":s=new cl;break;case"Line":s=new Gl(l(t.geometry),c(t.material));break;case"LineLoop":s=new Wl(l(t.geometry),c(t.material));break;case"LineSegments":s=new Vl(l(t.geometry),c(t.material));break;case"PointCloud":case"Points":s=new Jl(l(t.geometry),c(t.material));break;case"Sprite":s=new sl(c(t.material));break;case"Group":s=new Co;break;case"Bone":s=new xl;break;default:s=new Pi}if(s.uuid=t.uuid,void 0!==t.name&&(s.name=t.name),void 0!==t.matrix?(s.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(s.matrixAutoUpdate=t.matrixAutoUpdate),s.matrixAutoUpdate&&s.matrix.decompose(s.position,s.quaternion,s.scale)):(void 0!==t.position&&s.position.fromArray(t.position),void 0!==t.rotation&&s.rotation.fromArray(t.rotation),void 0!==t.quaternion&&s.quaternion.fromArray(t.quaternion),void 0!==t.scale&&s.scale.fromArray(t.scale)),void 0!==t.up&&s.up.fromArray(t.up),void 0!==t.castShadow&&(s.castShadow=t.castShadow),void 0!==t.receiveShadow&&(s.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.bias&&(s.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(s.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(s.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&s.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(s.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(s.visible=t.visible),void 0!==t.frustumCulled&&(s.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(s.renderOrder=t.renderOrder),void 0!==t.userData&&(s.userData=t.userData),void 0!==t.layers&&(s.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t<a.length;t++)s.add(this.parseObject(a[t],e,n,i,r))}if(void 0!==t.animations){const e=t.animations;for(let t=0;t<e.length;t++){const n=e[t];s.animations.push(r[n])}}if("LOD"===t.type){void 0!==t.autoUpdate&&(s.autoUpdate=t.autoUpdate);const e=t.levels;for(let t=0;t<e.length;t++){const n=e[t],i=s.getObjectByProperty("uuid",n.object);void 0!==i&&s.addLevel(i,n.distance,n.hysteresis)}}return s}bindSkeletons(t,e){0!==Object.keys(e).length&&t.traverse((function(t){if(!0===t.isSkinnedMesh&&void 0!==t.skeleton){const n=e[t.skeleton];void 0===n?console.warn("THREE.ObjectLoader: No skeleton found with UUID:",t.skeleton):t.bind(n,t.bindMatrix)}}))}},t.ObjectSpaceNormalMap=Me,t.OctahedronBufferGeometry=class extends uh{constructor(t,e){console.warn("THREE.OctahedronBufferGeometry has been renamed to THREE.OctahedronGeometry."),super(t,e)}},t.OctahedronGeometry=uh,t.OneFactor=b,t.OneMinusDstAlphaFactor=C,t.OneMinusDstColorFactor=P,t.OneMinusSrcAlphaFactor=A,t.OneMinusSrcColorFactor=T,t.OrthographicCamera=fs,t.PCFShadowMap=s,t.PCFSoftShadowMap=a,t.PMREMGenerator=Ts,t.Path=xc,t.PerspectiveCamera=Wr,t.Plane=$r,t.PlaneBufferGeometry=class extends rs{constructor(t,e,n,i){console.warn("THREE.PlaneBufferGeometry has been renamed to THREE.PlaneGeometry."),super(t,e,n,i)}},t.PlaneGeometry=rs,t.PlaneHelper=class extends Gl{constructor(t,e=1,n=16776960){const i=n,r=new vr;r.setAttribute("position",new cr([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 Dl({color:i,toneMapped:!1})),this.type="PlaneHelper",this.plane=t,this.size=e;const s=new vr;s.setAttribute("position",new cr([1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],3)),s.computeBoundingSphere(),this.add(new Nr(s,new $i({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()}},t.PointLight=yu,t.PointLightHelper=class extends Nr{constructor(t,e,n){super(new mh(e,4,2),new $i({wireframe:!0,fog:!1,toneMapped:!1})),this.light=t,this.color=n,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)}},t.Points=Jl,t.PointsMaterial=Xl,t.PolarGridHelper=class extends Vl{constructor(t=10,e=16,n=8,i=64,r=4473924,s=8947848){r=new Ji(r),s=new Ji(s);const a=[],o=[];if(e>1)for(let n=0;n<e;n++){const i=n/e*(2*Math.PI),l=Math.sin(i)*t,c=Math.cos(i)*t;a.push(0,0,0),a.push(l,0,c);const h=1&n?r:s;o.push(h.r,h.g,h.b),o.push(h.r,h.g,h.b)}for(let e=0;e<n;e++){const l=1&e?r:s,c=t-t/n*e;for(let t=0;t<i;t++){let e=t/i*(2*Math.PI),n=Math.sin(e)*c,r=Math.cos(e)*c;a.push(n,0,r),o.push(l.r,l.g,l.b),e=(t+1)/i*(2*Math.PI),n=Math.sin(e)*c,r=Math.cos(e)*c,a.push(n,0,r),o.push(l.r,l.g,l.b)}}const l=new vr;l.setAttribute("position",new cr(a,3)),l.setAttribute("color",new cr(o,3));super(l,new Dl({vertexColors:!0,toneMapped:!1})),this.type="PolarGridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}},t.PolyhedronBufferGeometry=class extends wc{constructor(t,e,n,i){console.warn("THREE.PolyhedronBufferGeometry has been renamed to THREE.PolyhedronGeometry."),super(t,e,n,i)}},t.PolyhedronGeometry=wc,t.PositionalAudio=class extends Wu{constructor(t){super(t),this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}connect(){super.connect(),this.panner.connect(this.gain)}disconnect(){super.disconnect(),this.panner.disconnect(this.gain)}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,n){return this.panner.coneInnerAngle=t,this.panner.coneOuterAngle=e,this.panner.coneOuterGain=n,this}updateMatrixWorld(t){if(super.updateMatrixWorld(t),!0===this.hasPlaybackControl&&!1===this.isPlaying)return;this.matrixWorld.decompose(Xu,ju,qu),Yu.set(0,0,1).applyQuaternion(ju);const e=this.panner;if(e.positionX){const t=this.context.currentTime+this.listener.timeDelta;e.positionX.linearRampToValueAtTime(Xu.x,t),e.positionY.linearRampToValueAtTime(Xu.y,t),e.positionZ.linearRampToValueAtTime(Xu.z,t),e.orientationX.linearRampToValueAtTime(Yu.x,t),e.orientationY.linearRampToValueAtTime(Yu.y,t),e.orientationZ.linearRampToValueAtTime(Yu.z,t)}else e.setPosition(Xu.x,Xu.y,Xu.z),e.setOrientation(Yu.x,Yu.y,Yu.z)}},t.PropertyBinding=nd,t.PropertyMixer=Zu,t.QuadraticBezierCurve=fc,t.QuadraticBezierCurve3=gc,t.Quaternion=Cn,t.QuaternionKeyframeTrack=Yh,t.QuaternionLinearInterpolant=qh,t.RED_GREEN_RGTC2_Format=oe,t.RED_RGTC1_Format=se,t.REVISION=e,t.RGBADepthPacking=ye,t.RGBAFormat=bt,t.RGBAIntegerFormat=It,t.RGBA_ASTC_10x10_Format=ee,t.RGBA_ASTC_10x5_Format=$t,t.RGBA_ASTC_10x6_Format=Qt,t.RGBA_ASTC_10x8_Format=te,t.RGBA_ASTC_12x10_Format=ne,t.RGBA_ASTC_12x12_Format=ie,t.RGBA_ASTC_4x4_Format=Wt,t.RGBA_ASTC_5x4_Format=Xt,t.RGBA_ASTC_5x5_Format=jt,t.RGBA_ASTC_6x5_Format=qt,t.RGBA_ASTC_6x6_Format=Yt,t.RGBA_ASTC_8x5_Format=Zt,t.RGBA_ASTC_8x6_Format=Jt,t.RGBA_ASTC_8x8_Format=Kt,t.RGBA_BPTC_Format=re,t.RGBA_ETC2_EAC_Format=Vt,t.RGBA_PVRTC_2BPPV1_Format=Gt,t.RGBA_PVRTC_4BPPV1_Format=zt,t.RGBA_S3TC_DXT1_Format=Dt,t.RGBA_S3TC_DXT3_Format=Nt,t.RGBA_S3TC_DXT5_Format=Ot,t.RGB_ETC1_Format=Ht,t.RGB_ETC2_Format=kt,t.RGB_PVRTC_2BPPV1_Format=Bt,t.RGB_PVRTC_4BPPV1_Format=Ft,t.RGB_S3TC_DXT1_Format=Ut,t.RGFormat=Lt,t.RGIntegerFormat=Pt,t.RawShaderMaterial=bh,t.Ray=si,t.Raycaster=class{constructor(t,e,n=0,i=1/0){this.ray=new si(t,e),this.near=n,this.far=i,this.camera=null,this.layers=new vi,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.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):console.error("THREE.Raycaster: Unsupported camera type: "+e.type)}intersectObject(t,e=!0,n=[]){return ld(t,this,n,e),n.sort(od),n}intersectObjects(t,e=!0,n=[]){for(let i=0,r=t.length;i<r;i++)ld(t[i],this,n,e);return n.sort(od),n}},t.RectAreaLight=bu,t.RedFormat=Rt,t.RedIntegerFormat=Ct,t.ReinhardToneMapping=j,t.RepeatWrapping=nt,t.ReplaceStencilOp=7681,t.ReverseSubtractEquation=y,t.RingBufferGeometry=class extends dh{constructor(t,e,n,i,r,s){console.warn("THREE.RingBufferGeometry has been renamed to THREE.RingGeometry."),super(t,e,n,i,r,s)}},t.RingGeometry=dh,t.SIGNED_RED_GREEN_RGTC2_Format=le,t.SIGNED_RED_RGTC1_Format=ae,t.SRGBColorSpace=be,t.Scene=Ho,t.ShaderChunk=ss,t.ShaderLib=os,t.ShaderMaterial=kr,t.ShadowMaterial=Sh,t.Shape=Uc,t.ShapeBufferGeometry=class extends ph{constructor(t,e){console.warn("THREE.ShapeBufferGeometry has been renamed to THREE.ShapeGeometry."),super(t,e)}},t.ShapeGeometry=ph,t.ShapePath=class{constructor(){this.type="ShapePath",this.color=new Ji,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new xc,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,n,i){return this.currentPath.quadraticCurveTo(t,e,n,i),this}bezierCurveTo(t,e,n,i,r,s){return this.currentPath.bezierCurveTo(t,e,n,i,r,s),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const n=e.length;let i=!1;for(let r=n-1,s=0;s<n;r=s++){let n=e[r],a=e[s],o=a.x-n.x,l=a.y-n.y;if(Math.abs(l)>Number.EPSILON){if(l<0&&(n=e[s],o=-o,a=e[r],l=-l),t.y<n.y||t.y>a.y)continue;if(t.y===n.y){if(t.x===n.x)return!0}else{const e=l*(t.x-n.x)-o*(t.y-n.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==n.y)continue;if(a.x<=t.x&&t.x<=n.x||n.x<=t.x&&t.x<=a.x)return!0}}return i}const n=sh.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,s,a;const o=[];if(1===i.length)return s=i[0],a=new Uc,a.curves=s.curves,o.push(a),o;let l=!n(i[0].getPoints());l=t?!l:l;const c=[],h=[];let u,d,p=[],m=0;h[m]=void 0,p[m]=[];for(let e=0,a=i.length;e<a;e++)s=i[e],u=s.getPoints(),r=n(u),r=t?!r:r,r?(!l&&h[m]&&m++,h[m]={s:new Uc,p:u},h[m].s.curves=s.curves,l&&m++,p[m]=[]):p[m].push({h:s,p:u[0]});if(!h[0])return function(t){const e=[];for(let n=0,i=t.length;n<i;n++){const i=t[n],r=new Uc;r.curves=i.curves,e.push(r)}return e}(i);if(h.length>1){let t=!1,n=0;for(let t=0,e=h.length;t<e;t++)c[t]=[];for(let i=0,r=h.length;i<r;i++){const r=p[i];for(let s=0;s<r.length;s++){const a=r[s];let o=!0;for(let r=0;r<h.length;r++)e(a.p,h[r].p)&&(i!==r&&n++,o?(o=!1,c[r].push(a)):t=!0);o&&c[i].push(a)}}n>0&&!1===t&&(p=c)}for(let t=0,e=h.length;t<e;t++){a=h[t].s,o.push(a),d=p[t];for(let t=0,e=d.length;t<e;t++)a.holes.push(d[t].h)}return o}},t.ShapeUtils=sh,t.ShortType=pt,t.Skeleton=El,t.SkeletonHelper=class extends Vl{constructor(t){const e=gd(t),n=new vr,i=[],r=[],s=new Ji(0,0,1),a=new Ji(0,1,0);for(let t=0;t<e.length;t++){const n=e[t];n.parent&&n.parent.isBone&&(i.push(0,0,0),i.push(0,0,0),r.push(s.r,s.g,s.b),r.push(a.r,a.g,a.b))}n.setAttribute("position",new cr(i,3)),n.setAttribute("color",new cr(r,3));super(n,new Dl({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}updateMatrixWorld(t){const e=this.bones,n=this.geometry,i=n.getAttribute("position");fd.copy(this.root.matrixWorld).invert();for(let t=0,n=0;t<e.length;t++){const r=e[t];r.parent&&r.parent.isBone&&(md.multiplyMatrices(fd,r.matrixWorld),pd.setFromMatrixPosition(md),i.setXYZ(n,pd.x,pd.y,pd.z),md.multiplyMatrices(fd,r.parent.matrixWorld),pd.setFromMatrixPosition(md),i.setXYZ(n+1,pd.x,pd.y,pd.z),n+=2)}n.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(t)}dispose(){this.geometry.dispose(),this.material.dispose()}},t.SkinnedMesh=yl,t.Source=Mn,t.Sphere=Kn,t.SphereBufferGeometry=class extends mh{constructor(t,e,n,i,r,s,a){console.warn("THREE.SphereBufferGeometry has been renamed to THREE.SphereGeometry."),super(t,e,n,i,r,s,a)}},t.SphereGeometry=mh,t.Spherical=class{constructor(t=1,e=0,n=0){return this.radius=t,this.phi=e,this.theta=n,this}set(t,e,n){return this.radius=t,this.phi=e,this.theta=n,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=Math.max(t,Math.min(Math.PI-t,this.phi)),this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,n){return this.radius=Math.sqrt(t*t+e*e+n*n),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(t,n),this.phi=Math.acos(je(e/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}},t.SphericalHarmonics3=Eu,t.SplineCurve=vc,t.SpotLight=mu,t.SpotLightHelper=class extends Pi{constructor(t,e){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const n=new vr,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,n=32;t<n;t++,e++){const r=t/n*Math.PI*2,s=e/n*Math.PI*2;i.push(Math.cos(r),Math.sin(r),1,Math.cos(s),Math.sin(s),1)}n.setAttribute("position",new cr(i,3));const r=new Dl({fog:!1,toneMapped:!1});this.cone=new Vl(n,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);const t=this.light.distance?this.light.distance:1e3,e=t*Math.tan(this.light.angle);this.cone.scale.set(e,e,t),dd.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(dd),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}},t.Sprite=sl,t.SpriteMaterial=Xo,t.SrcAlphaFactor=w,t.SrcAlphaSaturateFactor=I,t.SrcColorFactor=E,t.StaticCopyUsage=35046,t.StaticDrawUsage=Ne,t.StaticReadUsage=35045,t.StereoCamera=class{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Wr,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Wr,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,Fu.copy(t.projectionMatrix);const n=e.eyeSep/2,i=n*e.near/e.focus,r=e.near*Math.tan(Ve*e.fov*.5)/e.zoom;let s,a;Ou.elements[12]=-n,Nu.elements[12]=n,s=-r*e.aspect+i,a=r*e.aspect+i,Fu.elements[0]=2*e.near/(a-s),Fu.elements[8]=(a+s)/(a-s),this.cameraL.projectionMatrix.copy(Fu),s=-r*e.aspect-i,a=r*e.aspect-i,Fu.elements[0]=2*e.near/(a-s),Fu.elements[8]=(a+s)/(a-s),this.cameraR.projectionMatrix.copy(Fu)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(Ou),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Nu)}},t.StreamCopyUsage=35042,t.StreamDrawUsage=35040,t.StreamReadUsage=35041,t.StringKeyframeTrack=Zh,t.SubtractEquation=_,t.SubtractiveBlending=m,t.TOUCH={ROTATE:0,PAN:1,DOLLY_PAN:2,DOLLY_ROTATE:3},t.TangentSpaceNormalMap=xe,t.TetrahedronBufferGeometry=class extends fh{constructor(t,e){console.warn("THREE.TetrahedronBufferGeometry has been renamed to THREE.TetrahedronGeometry."),super(t,e)}},t.TetrahedronGeometry=fh,t.Texture=En,t.TextureLoader=class extends nu{constructor(t){super(t)}load(t,e,n,i){const r=new En,s=new au(this.manager);return s.setCrossOrigin(this.crossOrigin),s.setPath(this.path),s.load(t,(function(t){r.image=t,r.needsUpdate=!0,void 0!==e&&e(r)}),n,i),r}},t.TorusBufferGeometry=class extends gh{constructor(t,e,n,i,r){console.warn("THREE.TorusBufferGeometry has been renamed to THREE.TorusGeometry."),super(t,e,n,i,r)}},t.TorusGeometry=gh,t.TorusKnotBufferGeometry=class extends vh{constructor(t,e,n,i,r,s){console.warn("THREE.TorusKnotBufferGeometry has been renamed to THREE.TorusKnotGeometry."),super(t,e,n,i,r,s)}},t.TorusKnotGeometry=vh,t.Triangle=Vi,t.TriangleFanDrawMode=2,t.TriangleStripDrawMode=1,t.TrianglesDrawMode=0,t.TubeBufferGeometry=class extends _h{constructor(t,e,n,i,r){console.warn("THREE.TubeBufferGeometry has been renamed to THREE.TubeGeometry."),super(t,e,n,i,r)}},t.TubeGeometry=_h,t.TwoPassDoubleSide=2,t.UVMapping=J,t.Uint16BufferAttribute=or,t.Uint32BufferAttribute=lr,t.Uint8BufferAttribute=class extends ar{constructor(t,e,n){super(new Uint8Array(t),e,n)}},t.Uint8ClampedBufferAttribute=class extends ar{constructor(t,e,n){super(new Uint8ClampedArray(t),e,n)}},t.Uniform=sd,t.UniformsGroup=class extends Ge{constructor(){super(),this.isUniformsGroup=!0,Object.defineProperty(this,"id",{value:ad++}),this.name="",this.usage=Ne,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(){return this.dispatchEvent({type:"dispose"}),this}copy(t){this.name=t.name,this.usage=t.usage;const e=t.uniforms;this.uniforms.length=0;for(let t=0,n=e.length;t<n;t++)this.uniforms.push(e[t].clone());return this}clone(){return(new this.constructor).copy(this)}},t.UniformsLib=as,t.UniformsUtils=Hr,t.UnsignedByteType=ut,t.UnsignedInt248Type=Mt,t.UnsignedIntType=gt,t.UnsignedShort4444Type=yt,t.UnsignedShort5551Type=xt,t.UnsignedShortType=mt,t.VSMShadowMap=o,t.Vector2=en,t.Vector3=Ln,t.Vector4=Tn,t.VectorKeyframeTrack=Jh,t.VideoTexture=class extends En{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isVideoTexture=!0,this.minFilter=void 0!==s?s:lt,this.magFilter=void 0!==r?r:lt,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){c.needsUpdate=!0,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)}},t.WebGL1Renderer=Bo,t.WebGL3DRenderTarget=class extends wn{constructor(t=1,e=1,n=1){super(t,e),this.isWebGL3DRenderTarget=!0,this.depth=n,this.texture=new Rn(null,t,e,n),this.texture.isRenderTargetTexture=!0}},t.WebGLArrayRenderTarget=class extends wn{constructor(t=1,e=1,n=1){super(t,e),this.isWebGLArrayRenderTarget=!0,this.depth=n,this.texture=new An(null,t,e,n),this.texture.isRenderTargetTexture=!0}},t.WebGLCoordinateSystem=Be,t.WebGLCubeRenderTarget=Yr,t.WebGLMultipleRenderTargets=class extends wn{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()}return this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e),this}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}},t.WebGLRenderTarget=wn,t.WebGLRenderer=Fo,t.WebGLUtils=Ao,t.WebGPUCoordinateSystem=ze,t.WireframeGeometry=yh,t.WrapAroundEnding=me,t.ZeroCurvatureEnding=de,t.ZeroFactor=S,t.ZeroSlopeEnding=pe,t.ZeroStencilOp=0,t._SRGBAFormat=Fe,t.sRGBEncoding=_e}));
    8.