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/plugin/stlviewer/stlviewer/
H A Dthree.min.js2 !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";void 0===Number.EPSILON&&(Number.EPSILON=Math.pow(2,-52)),void 0===Number.isInteger&&(Number.isInteger=function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t}),void 0===Math.sign&&(Math.sign=function(t){return t<0?-1:t>0?1:+t}),"name"in Function.prototype==!1&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*([^\(\s]*)/)[1]}}),void 0===Object.assign&&(Object.assign=function(t){if(null==t)throw new TypeError("Cannot convert undefined or null to object");for(var e=Object(t),n=1;n<arguments.length;n++){var r=arguments[n];if(null!=r)for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(e[i]=r[i])}return e});var e=100,n=300,r=301,i=302,a=303,o=304,s=306,c=307,l=1e3,u=1001,h=1002,d=1003,p=1004,f=1005,m=1006,v=1007,g=1008,y=1009,x=1012,_=1014,b=1015,w=1016,M=1020,S=1022,T=1023,E=1026,A=1027,L=33776,R=33777,C=33778,P=33779,I=35840,D=35841,O=35842,N=35843,B=37492,z=37496,G=2300,F=2301,U=2302,H=2400,k=2401,V=2402,W=2500,j=2501,q=3e3,X=3001,Y=3007,Z=3002,J=3004,Q=3005,K=3006,$=7680,tt=35044,et=35048,nt="300 es";function rt(){}Object.assign(rt.prototype,{addEventListener:function(t,e){void 0===this._listeners&&(this._listeners={});var n=this._listeners;void 0===n[t]&&(n[t]=[]),-1===n[t].indexOf(e)&&n[t].push(e)},hasEventListener:function(t,e){if(void 0===this._listeners)return!1;var n=this._listeners;return void 0!==n[t]&&-1!==n[t].indexOf(e)},removeEventListener:function(t,e){if(void 0!==this._listeners){var n=this._listeners[t];if(void 0!==n){var r=n.indexOf(e);-1!==r&&n.splice(r,1)}}},dispatchEvent:function(t){if(void 0!==this._listeners){var e=this._listeners[t.type];if(void 0!==e){t.target=this;for(var n=e.slice(0),r=0,i=n.length;r<i;r++)n[r].call(this,t)}}}});for(var it=[],at=0;at<256;at++)it[at]=(at<16?"0":"")+at.toString(16);var ot=1234567,st={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:function(){var t=4294967295*Math.random()|0,e=4294967295*Math.random()|0,n=4294967295*Math.random()|0,r=4294967295*Math.random()|0;return(it[255&t]+it[t>>8&255]+it[t>>16&255]+it[t>>24&255]+"-"+it[255&e]+it[e>>8&255]+"-"+it[e>>16&15|64]+it[e>>24&255]+"-"+it[63&n|128]+it[n>>8&255]+"-"+it[n>>16&255]+it[n>>24&255]+it[255&r]+it[r>>8&255]+it[r>>16&255]+it[r>>24&255]).toUpperCase()},clamp:function(t,e,n){return Math.max(e,Math.min(n,t))},euclideanModulo:function(t,e){return(t%e+e)%e},mapLinear:function(t,e,n,r,i){return r+(t-e)*(i-r)/(n-e)},lerp:function(t,e,n){return(1-n)*t+n*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){return void 0!==t&&(ot=t%2147483647),((ot=16807*ot%2147483647)-1)/2147483646},degToRad:function(t){return t*st.DEG2RAD},radToDeg:function(t){return t*st.RAD2DEG},isPowerOfTwo:function(t){return 0==(t&t-1)&&0!==t},ceilPowerOfTwo:function(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))},floorPowerOfTwo:function(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,e,n,r,i){var a=Math.cos,o=Math.sin,s=a(n/2),c=o(n/2),l=a((e+r)/2),u=o((e+r)/2),h=a((e-r)/2),d=o((e-r)/2),p=a((r-e)/2),f=o((r-e)/2);switch(i){case"XYX":t.set(s*u,c*h,c*d,s*l);break;case"YZY":t.set(c*d,s*u,c*h,s*l);break;case"ZXZ":t.set(c*h,c*d,s*u,s*l);break;case"XZX":t.set(s*u,c*f,c*p,s*l);break;case"YXY":t.set(c*p,s*u,c*f,s*l);break;case"ZYZ":t.set(c*f,c*p,s*u,s*l);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+i)}}};function ct(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function lt(t,e,n){return e&&ct(t.prototype,e),n&&ct(t,n),t}function ut(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,t.__proto__=e}function ht(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}var dt,pt=function(){function t(t,e){void 0===t&&(t=0),void 0===e&&(e=0),Object.defineProperty(this,"isVector2",{value:!0}),this.x=t,this.y=e}var e=t.prototype;return e.set=function(t,e){return this.x=t,this.y=e,this},e.setScalar=function(t){return this.x=t,this.y=t,this},e.setX=function(t){return this.x=t,this},e.setY=function(t){return this.y=t,this},e.setComponent=function(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},e.getComponent=function(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}},e.clone=function(){return new this.constructor(this.x,this.y)},e.copy=function(t){return this.x=t.x,this.y=t.y,this},e.add=function(t,e){return void 0!==e?(console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this)},e.addScalar=function(t){return this.x+=t,this.y+=t,this},e.addVectors=function(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this},e.addScaledVector=function(t,e){return this.x+=t.x*e,this.y+=t.y*e,this},e.sub=function(t,e){return void 0!==e?(console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this)},e.subScalar=function(t){return this.x-=t,this.y-=t,this},e.subVectors=function(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this},e.multiply=function(t){return this.x*=t.x,this.y*=t.y,this},e.multiplyScalar=function(t){return this.x*=t,this.y*=t,this},e.divide=function(t){return this.x/=t.x,this.y/=t.y,this},e.divideScalar=function(t){return this.multiplyScalar(1/t)},e.applyMatrix3=function(t){var e=this.x,n=this.y,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6],this.y=r[1]*e+r[4]*n+r[7],this},e.min=function(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this},e.max=function(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this},e.clamp=function(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},e.clampScalar=function(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this},e.clampLength=function(t,e){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))},e.floor=function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this},e.ceil=function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this},e.round=function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this},e.roundToZero=function(){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},e.negate=function(){return this.x=-this.x,this.y=-this.y,this},e.dot=function(t){return this.x*t.x+this.y*t.y},e.cross=function(t){return this.x*t.y-this.y*t.x},e.lengthSq=function(){return this.x*this.x+this.y*this.y},e.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y)},e.manhattanLength=function(){return Math.abs(this.x)+Math.abs(this.y)},e.normalize=function(){return this.divideScalar(this.length()||1)},e.angle=function(){var t=Math.atan2(-this.y,-this.x)+Math.PI;return t},e.distanceTo=function(t){return Math.sqrt(this.distanceToSquared(t))},e.distanceToSquared=function(t){var e=this.x-t.x,n=this.y-t.y;return e*e+n*n},e.manhattanDistanceTo=function(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)},e.setLength=function(t){return this.normalize().multiplyScalar(t)},e.lerp=function(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this},e.lerpVectors=function(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this},e.equals=function(t){return t.x===this.x&&t.y===this.y},e.fromArray=function(t,e){return void 0===e&&(e=0),this.x=t[e],this.y=t[e+1],this},e.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.x,t[e+1]=this.y,t},e.fromBufferAttribute=function(t,e,n){return void 0!==n&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this},e.rotateAround=function(t,e){var n=Math.cos(e),r=Math.sin(e),i=this.x-t.x,a=this.y-t.y;return this.x=i*n-a*r+t.x,this.y=i*r+a*n+t.y,this},e.random=function(){return this.x=Math.random(),this.y=Math.random(),this},lt(t,[{key:"width",get:function(){return this.x},set:function(t){this.x=t}},{key:"height",get:function(){return this.y},set:function(t){this.y=t}}]),t}(),ft=function(){function t(){Object.defineProperty(this,"isMatrix3",{value:!0}),this.elements=[1,0,0,0,1,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")}var e=t.prototype;return e.set=function(t,e,n,r,i,a,o,s,c){var l=this.elements;return l[0]=t,l[1]=r,l[2]=o,l[3]=e,l[4]=i,l[5]=s,l[6]=n,l[7]=a,l[8]=c,this},e.identity=function(){return this.set(1,0,0,0,1,0,0,0,1),this},e.clone=function(){return(new this.constructor).fromArray(this.elements)},e.copy=function(t){var 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},e.extractBasis=function(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this},e.setFromMatrix4=function(t){var 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},e.multiply=function(t){return this.multiplyMatrices(this,t)},e.premultiply=function(t){return this.multiplyMatrices(t,this)},e.multiplyMatrices=function(t,e){var n=t.elements,r=e.elements,i=this.elements,a=n[0],o=n[3],s=n[6],c=n[1],l=n[4],u=n[7],h=n[2],d=n[5],p=n[8],f=r[0],m=r[3],v=r[6],g=r[1],y=r[4],x=r[7],_=r[2],b=r[5],w=r[8];return i[0]=a*f+o*g+s*_,i[3]=a*m+o*y+s*b,i[6]=a*v+o*x+s*w,i[1]=c*f+l*g+u*_,i[4]=c*m+l*y+u*b,i[7]=c*v+l*x+u*w,i[2]=h*f+d*g+p*_,i[5]=h*m+d*y+p*b,i[8]=h*v+d*x+p*w,this},e.multiplyScalar=function(t){var 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},e.determinant=function(){var t=this.elements,e=t[0],n=t[1],r=t[2],i=t[3],a=t[4],o=t[5],s=t[6],c=t[7],l=t[8];return e*a*l-e*o*c-n*i*l+n*o*s+r*i*c-r*a*s},e.getInverse=function(t,e){void 0!==e&&console.warn("THREE.Matrix3: .getInverse() can no longer be configured to throw on degenerate.");var n=t.elements,r=this.elements,i=n[0],a=n[1],o=n[2],s=n[3],c=n[4],l=n[5],u=n[6],h=n[7],d=n[8],p=d*c-l*h,f=l*u-d*s,m=h*s-c*u,v=i*p+a*f+o*m;if(0===v)return this.set(0,0,0,0,0,0,0,0,0);var g=1/v;return r[0]=p*g,r[1]=(o*h-d*a)*g,r[2]=(l*a-o*c)*g,r[3]=f*g,r[4]=(d*i-o*u)*g,r[5]=(o*s-l*i)*g,r[6]=m*g,r[7]=(a*u-h*i)*g,r[8]=(c*i-a*s)*g,this},e.transpose=function(){var t,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},e.getNormalMatrix=function(t){return this.setFromMatrix4(t).getInverse(this).transpose()},e.transposeIntoArray=function(t){var 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},e.setUvTransform=function(t,e,n,r,i,a,o){var s=Math.cos(i),c=Math.sin(i);this.set(n*s,n*c,-n*(s*a+c*o)+a+t,-r*c,r*s,-r*(-c*a+s*o)+o+e,0,0,1)},e.scale=function(t,e){var n=this.elements;return n[0]*=t,n[3]*=t,n[6]*=t,n[1]*=e,n[4]*=e,n[7]*=e,this},e.rotate=function(t){var e=Math.cos(t),n=Math.sin(t),r=this.elements,i=r[0],a=r[3],o=r[6],s=r[1],c=r[4],l=r[7];return r[0]=e*i+n*s,r[3]=e*a+n*c,r[6]=e*o+n*l,r[1]=-n*i+e*s,r[4]=-n*a+e*c,r[7]=-n*o+e*l,this},e.translate=function(t,e){var n=this.elements;return n[0]+=t*n[2],n[3]+=t*n[5],n[6]+=t*n[8],n[1]+=e*n[2],n[4]+=e*n[5],n[7]+=e*n[8],this},e.equals=function(t){for(var e=this.elements,n=t.elements,r=0;r<9;r++)if(e[r]!==n[r])return!1;return!0},e.fromArray=function(t,e){void 0===e&&(e=0);for(var n=0;n<9;n++)this.elements[n]=t[n+e];return this},e.toArray=function(t,e){void 0===t&&(t=[]),void 0===e&&(e=0);var 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},t}(),mt={getDataURL:function(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;var e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===dt&&(dt=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")),dt.width=t.width,dt.height=t.height;var n=dt.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=dt}return e.width>2048||e.height>2048?e.toDataURL("image/jpeg",.6):e.toDataURL("image/png")}},vt=0;function gt(t,e,n,r,i,a,o,s,c,l){Object.defineProperty(this,"id",{value:vt++}),this.uuid=st.generateUUID(),this.name="",this.image=void 0!==t?t:gt.DEFAULT_IMAGE,this.mipmaps=[],this.mapping=void 0!==e?e:gt.DEFAULT_MAPPING,this.wrapS=void 0!==n?n:u,this.wrapT=void 0!==r?r:u,this.magFilter=void 0!==i?i:m,this.minFilter=void 0!==a?a:g,this.anisotropy=void 0!==c?c:1,this.format=void 0!==o?o:T,this.internalFormat=null,this.type=void 0!==s?s:y,this.offset=new pt(0,0),this.repeat=new pt(1,1),this.center=new pt(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new ft,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=void 0!==l?l:q,this.version=0,this.onUpdate=null}gt.DEFAULT_IMAGE=void 0,gt.DEFAULT_MAPPING=n,gt.prototype=Object.assign(Object.create(rt.prototype),{constructor:gt,isTexture:!0,updateMatrix:function(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.name=t.name,this.image=t.image,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,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.encoding=t.encoding,this},toJSON:function(t){var e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];var n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,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,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){var r=this.image;if(void 0===r.uuid&&(r.uuid=st.generateUUID()),!e&&void 0===t.images[r.uuid]){var i;if(Array.isArray(r)){i=[];for(var a=0,o=r.length;a<o;a++)i.push(mt.getDataURL(r[a]))}else i=mt.getDataURL(r);t.images[r.uuid]={uuid:r.uuid,url:i}}n.image=r.uuid}return e||(t.textures[this.uuid]=n),n},dispose:function(){this.dispatchEvent({type:"dispose"})},transformUv:function(t){if(this.mapping!==n)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case l:t.x=t.x-Math.floor(t.x);break;case u:t.x=t.x<0?0:1;break;case h: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 l:t.y=t.y-Math.floor(t.y);break;case u:t.y=t.y<0?0:1;break;case h: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}}),Object.defineProperty(gt.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}});var yt=function(){function t(t,e,n,r){void 0===t&&(t=0),void 0===e&&(e=0),void 0===n&&(n=0),void 0===r&&(r=1),Object.defineProperty(this,"isVector4",{value:!0}),this.x=t,this.y=e,this.z=n,this.w=r}var e=t.prototype;return e.set=function(t,e,n,r){return this.x=t,this.y=e,this.z=n,this.w=r,this},e.setScalar=function(t){return this.x=t,this.y=t,this.z=t,this.w=t,this},e.setX=function(t){return this.x=t,this},e.setY=function(t){return this.y=t,this},e.setZ=function(t){return this.z=t,this},e.setW=function(t){return this.w=t,this},e.setComponent=function(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},e.getComponent=function(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)}},e.clone=function(){return new this.constructor(this.x,this.y,this.z,this.w)},e.copy=function(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this},e.add=function(t,e){return void 0!==e?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this)},e.addScalar=function(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this},e.addVectors=function(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},e.addScaledVector=function(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this},e.sub=function(t,e){return void 0!==e?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this)},e.subScalar=function(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this},e.subVectors=function(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},e.multiplyScalar=function(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this},e.applyMatrix4=function(t){var e=this.x,n=this.y,r=this.z,i=this.w,a=t.elements;return this.x=a[0]*e+a[4]*n+a[8]*r+a[12]*i,this.y=a[1]*e+a[5]*n+a[9]*r+a[13]*i,this.z=a[2]*e+a[6]*n+a[10]*r+a[14]*i,this.w=a[3]*e+a[7]*n+a[11]*r+a[15]*i,this},e.divideScalar=function(t){return this.multiplyScalar(1/t)},e.setAxisAngleFromQuaternion=function(t){this.w=2*Math.acos(t.w);var 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},e.setAxisAngleFromRotationMatrix=function(t){var e,n,r,i,a=.01,o=.1,s=t.elements,c=s[0],l=s[4],u=s[8],h=s[1],d=s[5],p=s[9],f=s[2],m=s[6],v=s[10];if(Math.abs(l-h)<a&&Math.abs(u-f)<a&&Math.abs(p-m)<a){if(Math.abs(l+h)<o&&Math.abs(u+f)<o&&Math.abs(p+m)<o&&Math.abs(c+d+v-3)<o)return this.set(1,0,0,0),this;e=Math.PI;var g=(c+1)/2,y=(d+1)/2,x=(v+1)/2,_=(l+h)/4,b=(u+f)/4,w=(p+m)/4;return g>y&&g>x?g<a?(n=0,r=.707106781,i=.707106781):(r=_/(n=Math.sqrt(g)),i=b/n):y>x?y<a?(n=.707106781,r=0,i=.707106781):(n=_/(r=Math.sqrt(y)),i=w/r):x<a?(n=.707106781,r=.707106781,i=0):(n=b/(i=Math.sqrt(x)),r=w/i),this.set(n,r,i,e),this}var M=Math.sqrt((m-p)*(m-p)+(u-f)*(u-f)+(h-l)*(h-l));return Math.abs(M)<.001&&(M=1),this.x=(m-p)/M,this.y=(u-f)/M,this.z=(h-l)/M,this.w=Math.acos((c+d+v-1)/2),this},e.min=function(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},e.max=function(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},e.clamp=function(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},e.clampScalar=function(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},e.clampLength=function(t,e){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))},e.floor=function(){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},e.ceil=function(){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},e.round=function(){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},e.roundToZero=function(){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},e.negate=function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this},e.dot=function(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w},e.lengthSq=function(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w},e.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},e.manhattanLength=function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},e.normalize=function(){return this.divideScalar(this.length()||1)},e.setLength=function(t){return this.normalize().multiplyScalar(t)},e.lerp=function(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},e.lerpVectors=function(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},e.equals=function(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w},e.fromArray=function(t,e){return void 0===e&&(e=0),this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this},e.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t},e.fromBufferAttribute=function(t,e,n){return void 0!==n&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this},e.random=function(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this},lt(t,[{key:"width",get:function(){return this.z},set:function(t){this.z=t}},{key:"height",get:function(){return this.w},set:function(t){this.w=t}}]),t}();function xt(t,e,n){this.width=t,this.height=e,this.scissor=new yt(0,0,t,e),this.scissorTest=!1,this.viewport=new yt(0,0,t,e),n=n||{},this.texture=new gt(void 0,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.image={},this.texture.image.width=t,this.texture.image.height=e,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:m,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}function _t(t,e,n){xt.call(this,t,e,n),this.samples=4}xt.prototype=Object.assign(Object.create(rt.prototype),{constructor:xt,isWebGLRenderTarget:!0,setSize:function(t,e){this.width===t&&this.height===e||(this.width=t,this.height=e,this.texture.image.width=t,this.texture.image.height=e,this.dispose()),this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.width=t.width,this.height=t.height,this.viewport.copy(t.viewport),this.texture=t.texture.clone(),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.depthTexture=t.depthTexture,this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),_t.prototype=Object.assign(Object.create(xt.prototype),{constructor:_t,isWebGLMultisampleRenderTarget:!0,copy:function(t){return xt.prototype.copy.call(this,t),this.samples=t.samples,this}});var bt=function(){function t(t,e,n,r){void 0===t&&(t=0),void 0===e&&(e=0),void 0===n&&(n=0),void 0===r&&(r=1),Object.defineProperty(this,"isQuaternion",{value:!0}),this._x=t,this._y=e,this._z=n,this._w=r}t.slerp=function(t,e,n,r){return n.copy(t).slerp(e,r)},t.slerpFlat=function(t,e,n,r,i,a,o){var s=n[r+0],c=n[r+1],l=n[r+2],u=n[r+3],h=i[a+0],d=i[a+1],p=i[a+2],f=i[a+3];if(u!==f||s!==h||c!==d||l!==p){var m=1-o,v=s*h+c*d+l*p+u*f,g=v>=0?1:-1,y=1-v*v;if(y>Number.EPSILON){var x=Math.sqrt(y),_=Math.atan2(x,v*g);m=Math.sin(m*_)/x,o=Math.sin(o*_)/x}var b=o*g;if(s=s*m+h*b,c=c*m+d*b,l=l*m+p*b,u=u*m+f*b,m===1-o){var w=1/Math.sqrt(s*s+c*c+l*l+u*u);s*=w,c*=w,l*=w,u*=w}}t[e]=s,t[e+1]=c,t[e+2]=l,t[e+3]=u},t.multiplyQuaternionsFlat=function(t,e,n,r,i,a){var o=n[r],s=n[r+1],c=n[r+2],l=n[r+3],u=i[a],h=i[a+1],d=i[a+2],p=i[a+3];return t[e]=o*p+l*u+s*d-c*h,t[e+1]=s*p+l*h+c*u-o*d,t[e+2]=c*p+l*d+o*h-s*u,t[e+3]=l*p-o*u-s*h-c*d,t};var e=t.prototype;return e.set=function(t,e,n,r){return this._x=t,this._y=e,this._z=n,this._w=r,this._onChangeCallback(),this},e.clone=function(){return new this.constructor(this._x,this._y,this._z,this._w)},e.copy=function(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this},e.setFromEuler=function(t,e){if(!t||!t.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var n=t._x,r=t._y,i=t._z,a=t._order,o=Math.cos,s=Math.sin,c=o(n/2),l=o(r/2),u=o(i/2),h=s(n/2),d=s(r/2),p=s(i/2);switch(a){case"XYZ":this._x=h*l*u+c*d*p,this._y=c*d*u-h*l*p,this._z=c*l*p+h*d*u,this._w=c*l*u-h*d*p;break;case"YXZ":this._x=h*l*u+c*d*p,this._y=c*d*u-h*l*p,this._z=c*l*p-h*d*u,this._w=c*l*u+h*d*p;break;case"ZXY":this._x=h*l*u-c*d*p,this._y=c*d*u+h*l*p,this._z=c*l*p+h*d*u,this._w=c*l*u-h*d*p;break;case"ZYX":this._x=h*l*u-c*d*p,this._y=c*d*u+h*l*p,this._z=c*l*p-h*d*u,this._w=c*l*u+h*d*p;break;case"YZX":this._x=h*l*u+c*d*p,this._y=c*d*u+h*l*p,this._z=c*l*p-h*d*u,this._w=c*l*u-h*d*p;break;case"XZY":this._x=h*l*u-c*d*p,this._y=c*d*u-h*l*p,this._z=c*l*p+h*d*u,this._w=c*l*u+h*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==e&&this._onChangeCallback(),this},e.setFromAxisAngle=function(t,e){var n=e/2,r=Math.sin(n);return this._x=t.x*r,this._y=t.y*r,this._z=t.z*r,this._w=Math.cos(n),this._onChangeCallback(),this},e.setFromRotationMatrix=function(t){var e=t.elements,n=e[0],r=e[4],i=e[8],a=e[1],o=e[5],s=e[9],c=e[2],l=e[6],u=e[10],h=n+o+u;if(h>0){var d=.5/Math.sqrt(h+1);this._w=.25/d,this._x=(l-s)*d,this._y=(i-c)*d,this._z=(a-r)*d}else if(n>o&&n>u){var p=2*Math.sqrt(1+n-o-u);this._w=(l-s)/p,this._x=.25*p,this._y=(r+a)/p,this._z=(i+c)/p}else if(o>u){var f=2*Math.sqrt(1+o-n-u);this._w=(i-c)/f,this._x=(r+a)/f,this._y=.25*f,this._z=(s+l)/f}else{var m=2*Math.sqrt(1+u-n-o);this._w=(a-r)/m,this._x=(i+c)/m,this._y=(s+l)/m,this._z=.25*m}return this._onChangeCallback(),this},e.setFromUnitVectors=function(t,e){var n=t.dot(e)+1;return n<1e-6?(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()},e.angleTo=function(t){return 2*Math.acos(Math.abs(st.clamp(this.dot(t),-1,1)))},e.rotateTowards=function(t,e){var n=this.angleTo(t);if(0===n)return this;var r=Math.min(1,e/n);return this.slerp(t,r),this},e.identity=function(){return this.set(0,0,0,1)},e.inverse=function(){return this.conjugate()},e.conjugate=function(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this},e.dot=function(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w},e.lengthSq=function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},e.length=function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},e.normalize=function(){var 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},e.multiply=function(t,e){return void 0!==e?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(t,e)):this.multiplyQuaternions(this,t)},e.premultiply=function(t){return this.multiplyQuaternions(t,this)},e.multiplyQuaternions=function(t,e){var n=t._x,r=t._y,i=t._z,a=t._w,o=e._x,s=e._y,c=e._z,l=e._w;return this._x=n*l+a*o+r*c-i*s,this._y=r*l+a*s+i*o-n*c,this._z=i*l+a*c+n*s-r*o,this._w=a*l-n*o-r*s-i*c,this._onChangeCallback(),this},e.slerp=function(t,e){if(0===e)return this;if(1===e)return this.copy(t);var n=this._x,r=this._y,i=this._z,a=this._w,o=a*t._w+n*t._x+r*t._y+i*t._z;if(o<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,o=-o):this.copy(t),o>=1)return this._w=a,this._x=n,this._y=r,this._z=i,this;var s=1-o*o;if(s<=Number.EPSILON){var c=1-e;return this._w=c*a+e*this._w,this._x=c*n+e*this._x,this._y=c*r+e*this._y,this._z=c*i+e*this._z,this.normalize(),this._onChangeCallback(),this}var l=Math.sqrt(s),u=Math.atan2(l,o),h=Math.sin((1-e)*u)/l,d=Math.sin(e*u)/l;return this._w=a*h+this._w*d,this._x=n*h+this._x*d,this._y=r*h+this._y*d,this._z=i*h+this._z*d,this._onChangeCallback(),this},e.equals=function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w},e.fromArray=function(t,e){return void 0===e&&(e=0),this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this},e.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t},e.fromBufferAttribute=function(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this},e._onChange=function(t){return this._onChangeCallback=t,this},e._onChangeCallback=function(){},lt(t,[{key:"x",get:function(){return this._x},set:function(t){this._x=t,this._onChangeCallback()}},{key:"y",get:function(){return this._y},set:function(t){this._y=t,this._onChangeCallback()}},{key:"z",get:function(){return this._z},set:function(t){this._z=t,this._onChangeCallback()}},{key:"w",get:function(){return this._w},set:function(t){this._w=t,this._onChangeCallback()}}]),t}(),wt=function(){function t(t,e,n){void 0===t&&(t=0),void 0===e&&(e=0),void 0===n&&(n=0),Object.defineProperty(this,"isVector3",{value:!0}),this.x=t,this.y=e,this.z=n}var e=t.prototype;return e.set=function(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this},e.setScalar=function(t){return this.x=t,this.y=t,this.z=t,this},e.setX=function(t){return this.x=t,this},e.setY=function(t){return this.y=t,this},e.setZ=function(t){return this.z=t,this},e.setComponent=function(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},e.getComponent=function(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)}},e.clone=function(){return new this.constructor(this.x,this.y,this.z)},e.copy=function(t){return this.x=t.x,this.y=t.y,this.z=t.z,this},e.add=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this)},e.addScalar=function(t){return this.x+=t,this.y+=t,this.z+=t,this},e.addVectors=function(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this},e.addScaledVector=function(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this},e.sub=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this)},e.subScalar=function(t){return this.x-=t,this.y-=t,this.z-=t,this},e.subVectors=function(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this},e.multiply=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(t,e)):(this.x*=t.x,this.y*=t.y,this.z*=t.z,this)},e.multiplyScalar=function(t){return this.x*=t,this.y*=t,this.z*=t,this},e.multiplyVectors=function(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this},e.applyEuler=function(t){return t&&t.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(St.setFromEuler(t))},e.applyAxisAngle=function(t,e){return this.applyQuaternion(St.setFromAxisAngle(t,e))},e.applyMatrix3=function(t){var e=this.x,n=this.y,r=this.z,i=t.elements;return this.x=i[0]*e+i[3]*n+i[6]*r,this.y=i[1]*e+i[4]*n+i[7]*r,this.z=i[2]*e+i[5]*n+i[8]*r,this},e.applyNormalMatrix=function(t){return this.applyMatrix3(t).normalize()},e.applyMatrix4=function(t){var e=this.x,n=this.y,r=this.z,i=t.elements,a=1/(i[3]*e+i[7]*n+i[11]*r+i[15]);return this.x=(i[0]*e+i[4]*n+i[8]*r+i[12])*a,this.y=(i[1]*e+i[5]*n+i[9]*r+i[13])*a,this.z=(i[2]*e+i[6]*n+i[10]*r+i[14])*a,this},e.applyQuaternion=function(t){var e=this.x,n=this.y,r=this.z,i=t.x,a=t.y,o=t.z,s=t.w,c=s*e+a*r-o*n,l=s*n+o*e-i*r,u=s*r+i*n-a*e,h=-i*e-a*n-o*r;return this.x=c*s+h*-i+l*-o-u*-a,this.y=l*s+h*-a+u*-i-c*-o,this.z=u*s+h*-o+c*-a-l*-i,this},e.project=function(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)},e.unproject=function(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)},e.transformDirection=function(t){var e=this.x,n=this.y,r=this.z,i=t.elements;return this.x=i[0]*e+i[4]*n+i[8]*r,this.y=i[1]*e+i[5]*n+i[9]*r,this.z=i[2]*e+i[6]*n+i[10]*r,this.normalize()},e.divide=function(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this},e.divideScalar=function(t){return this.multiplyScalar(1/t)},e.min=function(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},e.max=function(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},e.clamp=function(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},e.clampScalar=function(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},e.clampLength=function(t,e){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))},e.floor=function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this},e.ceil=function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this},e.round=function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this},e.roundToZero=function(){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},e.negate=function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this},e.dot=function(t){return this.x*t.x+this.y*t.y+this.z*t.z},e.lengthSq=function(){return this.x*this.x+this.y*this.y+this.z*this.z},e.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},e.manhattanLength=function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},e.normalize=function(){return this.divideScalar(this.length()||1)},e.setLength=function(t){return this.normalize().multiplyScalar(t)},e.lerp=function(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},e.lerpVectors=function(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},e.cross=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(t,e)):this.crossVectors(this,t)},e.crossVectors=function(t,e){var n=t.x,r=t.y,i=t.z,a=e.x,o=e.y,s=e.z;return this.x=r*s-i*o,this.y=i*a-n*s,this.z=n*o-r*a,this},e.projectOnVector=function(t){var e=t.lengthSq();if(0===e)return this.set(0,0,0);var n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)},e.projectOnPlane=function(t){return Mt.copy(this).projectOnVector(t),this.sub(Mt)},e.reflect=function(t){return this.sub(Mt.copy(t).multiplyScalar(2*this.dot(t)))},e.angleTo=function(t){var e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;var n=this.dot(t)/e;return Math.acos(st.clamp(n,-1,1))},e.distanceTo=function(t){return Math.sqrt(this.distanceToSquared(t))},e.distanceToSquared=function(t){var e=this.x-t.x,n=this.y-t.y,r=this.z-t.z;return e*e+n*n+r*r},e.manhattanDistanceTo=function(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)},e.setFromSpherical=function(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)},e.setFromSphericalCoords=function(t,e,n){var r=Math.sin(e)*t;return this.x=r*Math.sin(n),this.y=Math.cos(e)*t,this.z=r*Math.cos(n),this},e.setFromCylindrical=function(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)},e.setFromCylindricalCoords=function(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this},e.setFromMatrixPosition=function(t){var e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this},e.setFromMatrixScale=function(t){var e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),r=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=r,this},e.setFromMatrixColumn=function(t,e){return this.fromArray(t.elements,4*e)},e.setFromMatrix3Column=function(t,e){return this.fromArray(t.elements,3*e)},e.equals=function(t){return t.x===this.x&&t.y===this.y&&t.z===this.z},e.fromArray=function(t,e){return void 0===e&&(e=0),this.x=t[e],this.y=t[e+1],this.z=t[e+2],this},e.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t},e.fromBufferAttribute=function(t,e,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this},e.random=function(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this},t}(),Mt=new wt,St=new bt,Tt=function(){function t(t,e){Object.defineProperty(this,"isBox3",{value:!0}),this.min=void 0!==t?t:new wt(1/0,1/0,1/0),this.max=void 0!==e?e:new wt(-1/0,-1/0,-1/0)}var e=t.prototype;return e.set=function(t,e){return this.min.copy(t),this.max.copy(e),this},e.setFromArray=function(t){for(var e=1/0,n=1/0,r=1/0,i=-1/0,a=-1/0,o=-1/0,s=0,c=t.length;s<c;s+=3){var l=t[s],u=t[s+1],h=t[s+2];l<e&&(e=l),u<n&&(n=u),h<r&&(r=h),l>i&&(i=l),u>a&&(a=u),h>o&&(o=h)}return this.min.set(e,n,r),this.max.set(i,a,o),this},e.setFromBufferAttribute=function(t){for(var e=1/0,n=1/0,r=1/0,i=-1/0,a=-1/0,o=-1/0,s=0,c=t.count;s<c;s++){var l=t.getX(s),u=t.getY(s),h=t.getZ(s);l<e&&(e=l),u<n&&(n=u),h<r&&(r=h),l>i&&(i=l),u>a&&(a=u),h>o&&(o=h)}return this.min.set(e,n,r),this.max.set(i,a,o),this},e.setFromPoints=function(t){this.makeEmpty();for(var e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this},e.setFromCenterAndSize=function(t,e){var n=Lt.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this},e.setFromObject=function(t){return this.makeEmpty(),this.expandByObject(t)},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.min.copy(t.min),this.max.copy(t.max),this},e.makeEmpty=function(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this},e.isEmpty=function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},e.getCenter=function(t){return void 0===t&&(console.warn("THREE.Box3: .getCenter() target is now required"),t=new wt),this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)},e.getSize=function(t){return void 0===t&&(console.warn("THREE.Box3: .getSize() target is now required"),t=new wt),this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)},e.expandByPoint=function(t){return this.min.min(t),this.max.max(t),this},e.expandByVector=function(t){return this.min.sub(t),this.max.add(t),this},e.expandByScalar=function(t){return this.min.addScalar(-t),this.max.addScalar(t),this},e.expandByObject=function(t){t.updateWorldMatrix(!1,!1);var e=t.geometry;void 0!==e&&(null===e.boundingBox&&e.computeBoundingBox(),Rt.copy(e.boundingBox),Rt.applyMatrix4(t.matrixWorld),this.union(Rt));for(var n=t.children,r=0,i=n.length;r<i;r++)this.expandByObject(n[r]);return this},e.containsPoint=function(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)},e.containsBox=function(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},e.getParameter=function(t,e){return void 0===e&&(console.warn("THREE.Box3: .getParameter() target is now required"),e=new wt),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))},e.intersectsBox=function(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)},e.intersectsSphere=function(t){return this.clampPoint(t.center,Lt),Lt.distanceToSquared(t.center)<=t.radius*t.radius},e.intersectsPlane=function(t){var 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},e.intersectsTriangle=function(t){if(this.isEmpty())return!1;this.getCenter(Bt),zt.subVectors(this.max,Bt),Ct.subVectors(t.a,Bt),Pt.subVectors(t.b,Bt),It.subVectors(t.c,Bt),Dt.subVectors(Pt,Ct),Ot.subVectors(It,Pt),Nt.subVectors(Ct,It);var e=[0,-Dt.z,Dt.y,0,-Ot.z,Ot.y,0,-Nt.z,Nt.y,Dt.z,0,-Dt.x,Ot.z,0,-Ot.x,Nt.z,0,-Nt.x,-Dt.y,Dt.x,0,-Ot.y,Ot.x,0,-Nt.y,Nt.x,0];return!!Et(e,Ct,Pt,It,zt)&&(!!Et(e=[1,0,0,0,1,0,0,0,1],Ct,Pt,It,zt)&&(Gt.crossVectors(Dt,Ot),Et(e=[Gt.x,Gt.y,Gt.z],Ct,Pt,It,zt)))},e.clampPoint=function(t,e){return void 0===e&&(console.warn("THREE.Box3: .clampPoint() target is now required"),e=new wt),e.copy(t).clamp(this.min,this.max)},e.distanceToPoint=function(t){return Lt.copy(t).clamp(this.min,this.max).sub(t).length()},e.getBoundingSphere=function(t){return void 0===t&&console.error("THREE.Box3: .getBoundingSphere() target is now required"),this.getCenter(t.center),t.radius=.5*this.getSize(Lt).length(),t},e.intersect=function(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this},e.union=function(t){return this.min.min(t.min),this.max.max(t.max),this},e.applyMatrix4=function(t){return this.isEmpty()||(At[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),At[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),At[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),At[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),At[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),At[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),At[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),At[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(At)),this},e.translate=function(t){return this.min.add(t),this.max.add(t),this},e.equals=function(t){return t.min.equals(this.min)&&t.max.equals(this.max)},t}();function Et(t,e,n,r,i){for(var a=0,o=t.length-3;a<=o;a+=3){Ft.fromArray(t,a);var s=i.x*Math.abs(Ft.x)+i.y*Math.abs(Ft.y)+i.z*Math.abs(Ft.z),c=e.dot(Ft),l=n.dot(Ft),u=r.dot(Ft);if(Math.max(-Math.max(c,l,u),Math.min(c,l,u))>s)return!1}return!0}var At=[new wt,new wt,new wt,new wt,new wt,new wt,new wt,new wt],Lt=new wt,Rt=new Tt,Ct=new wt,Pt=new wt,It=new wt,Dt=new wt,Ot=new wt,Nt=new wt,Bt=new wt,zt=new wt,Gt=new wt,Ft=new wt,Ut=new Tt,Ht=function(){function t(t,e){this.center=void 0!==t?t:new wt,this.radius=void 0!==e?e:-1}var e=t.prototype;return e.set=function(t,e){return this.center.copy(t),this.radius=e,this},e.setFromPoints=function(t,e){var n=this.center;void 0!==e?n.copy(e):Ut.setFromPoints(t).getCenter(n);for(var r=0,i=0,a=t.length;i<a;i++)r=Math.max(r,n.distanceToSquared(t[i]));return this.radius=Math.sqrt(r),this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.center.copy(t.center),this.radius=t.radius,this},e.isEmpty=function(){return this.radius<0},e.makeEmpty=function(){return this.center.set(0,0,0),this.radius=-1,this},e.containsPoint=function(t){return t.distanceToSquared(this.center)<=this.radius*this.radius},e.distanceToPoint=function(t){return t.distanceTo(this.center)-this.radius},e.intersectsSphere=function(t){var e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e},e.intersectsBox=function(t){return t.intersectsSphere(this)},e.intersectsPlane=function(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius},e.clampPoint=function(t,e){var n=this.center.distanceToSquared(t);return void 0===e&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),e=new wt),e.copy(t),n>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e},e.getBoundingBox=function(t){return void 0===t&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),t=new Tt),this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)},e.applyMatrix4=function(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this},e.translate=function(t){return this.center.add(t),this},e.equals=function(t){return t.center.equals(this.center)&&t.radius===this.radius},t}(),kt=new wt,Vt=new wt,Wt=new wt,jt=new wt,qt=new wt,Xt=new wt,Yt=new wt,Zt=function(){function t(t,e){this.origin=void 0!==t?t:new wt,this.direction=void 0!==e?e:new wt(0,0,-1)}var e=t.prototype;return e.set=function(t,e){return this.origin.copy(t),this.direction.copy(e),this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this},e.at=function(t,e){return void 0===e&&(console.warn("THREE.Ray: .at() target is now required"),e=new wt),e.copy(this.direction).multiplyScalar(t).add(this.origin)},e.lookAt=function(t){return this.direction.copy(t).sub(this.origin).normalize(),this},e.recast=function(t){return this.origin.copy(this.at(t,kt)),this},e.closestPointToPoint=function(t,e){void 0===e&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),e=new wt),e.subVectors(t,this.origin);var n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.direction).multiplyScalar(n).add(this.origin)},e.distanceToPoint=function(t){return Math.sqrt(this.distanceSqToPoint(t))},e.distanceSqToPoint=function(t){var e=kt.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(kt.copy(this.direction).multiplyScalar(e).add(this.origin),kt.distanceToSquared(t))},e.distanceSqToSegment=function(t,e,n,r){Vt.copy(t).add(e).multiplyScalar(.5),Wt.copy(e).sub(t).normalize(),jt.copy(this.origin).sub(Vt);var i,a,o,s,c=.5*t.distanceTo(e),l=-this.direction.dot(Wt),u=jt.dot(this.direction),h=-jt.dot(Wt),d=jt.lengthSq(),p=Math.abs(1-l*l);if(p>0)if(a=l*u-h,s=c*p,(i=l*h-u)>=0)if(a>=-s)if(a<=s){var f=1/p;o=(i*=f)*(i+l*(a*=f)+2*u)+a*(l*i+a+2*h)+d}else a=c,o=-(i=Math.max(0,-(l*a+u)))*i+a*(a+2*h)+d;else a=-c,o=-(i=Math.max(0,-(l*a+u)))*i+a*(a+2*h)+d;else a<=-s?o=-(i=Math.max(0,-(-l*c+u)))*i+(a=i>0?-c:Math.min(Math.max(-c,-h),c))*(a+2*h)+d:a<=s?(i=0,o=(a=Math.min(Math.max(-c,-h),c))*(a+2*h)+d):o=-(i=Math.max(0,-(l*c+u)))*i+(a=i>0?c:Math.min(Math.max(-c,-h),c))*(a+2*h)+d;else a=l>0?-c:c,o=-(i=Math.max(0,-(l*a+u)))*i+a*(a+2*h)+d;return n&&n.copy(this.direction).multiplyScalar(i).add(this.origin),r&&r.copy(Wt).multiplyScalar(a).add(Vt),o},e.intersectSphere=function(t,e){kt.subVectors(t.center,this.origin);var n=kt.dot(this.direction),r=kt.dot(kt)-n*n,i=t.radius*t.radius;if(r>i)return null;var a=Math.sqrt(i-r),o=n-a,s=n+a;return o<0&&s<0?null:o<0?this.at(s,e):this.at(o,e)},e.intersectsSphere=function(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius},e.distanceToPlane=function(t){var e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;var n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null},e.intersectPlane=function(t,e){var n=this.distanceToPlane(t);return null===n?null:this.at(n,e)},e.intersectsPlane=function(t){var e=t.distanceToPoint(this.origin);return 0===e||t.normal.dot(this.direction)*e<0},e.intersectBox=function(t,e){var n,r,i,a,o,s,c=1/this.direction.x,l=1/this.direction.y,u=1/this.direction.z,h=this.origin;return c>=0?(n=(t.min.x-h.x)*c,r=(t.max.x-h.x)*c):(n=(t.max.x-h.x)*c,r=(t.min.x-h.x)*c),l>=0?(i=(t.min.y-h.y)*l,a=(t.max.y-h.y)*l):(i=(t.max.y-h.y)*l,a=(t.min.y-h.y)*l),n>a||i>r?null:((i>n||n!=n)&&(n=i),(a<r||r!=r)&&(r=a),u>=0?(o=(t.min.z-h.z)*u,s=(t.max.z-h.z)*u):(o=(t.max.z-h.z)*u,s=(t.min.z-h.z)*u),n>s||o>r?null:((o>n||n!=n)&&(n=o),(s<r||r!=r)&&(r=s),r<0?null:this.at(n>=0?n:r,e)))},e.intersectsBox=function(t){return null!==this.intersectBox(t,kt)},e.intersectTriangle=function(t,e,n,r,i){qt.subVectors(e,t),Xt.subVectors(n,t),Yt.crossVectors(qt,Xt);var a,o=this.direction.dot(Yt);if(o>0){if(r)return null;a=1}else{if(!(o<0))return null;a=-1,o=-o}jt.subVectors(this.origin,t);var s=a*this.direction.dot(Xt.crossVectors(jt,Xt));if(s<0)return null;var c=a*this.direction.dot(qt.cross(jt));if(c<0)return null;if(s+c>o)return null;var l=-a*jt.dot(Yt);return l<0?null:this.at(l/o,i)},e.applyMatrix4=function(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this},e.equals=function(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)},t}(),Jt=function(){function t(){Object.defineProperty(this,"isMatrix4",{value:!0}),this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}var e=t.prototype;return e.set=function(t,e,n,r,i,a,o,s,c,l,u,h,d,p,f,m){var v=this.elements;return v[0]=t,v[4]=e,v[8]=n,v[12]=r,v[1]=i,v[5]=a,v[9]=o,v[13]=s,v[2]=c,v[6]=l,v[10]=u,v[14]=h,v[3]=d,v[7]=p,v[11]=f,v[15]=m,this},e.identity=function(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this},e.clone=function(){return(new t).fromArray(this.elements)},e.copy=function(t){var 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},e.copyPosition=function(t){var e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this},e.extractBasis=function(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this},e.makeBasis=function(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},e.extractRotation=function(t){var e=this.elements,n=t.elements,r=1/Qt.setFromMatrixColumn(t,0).length(),i=1/Qt.setFromMatrixColumn(t,1).length(),a=1/Qt.setFromMatrixColumn(t,2).length();return e[0]=n[0]*r,e[1]=n[1]*r,e[2]=n[2]*r,e[3]=0,e[4]=n[4]*i,e[5]=n[5]*i,e[6]=n[6]*i,e[7]=0,e[8]=n[8]*a,e[9]=n[9]*a,e[10]=n[10]*a,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this},e.makeRotationFromEuler=function(t){t&&t.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var e=this.elements,n=t.x,r=t.y,i=t.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(r),c=Math.sin(r),l=Math.cos(i),u=Math.sin(i);if("XYZ"===t.order){var h=a*l,d=a*u,p=o*l,f=o*u;e[0]=s*l,e[4]=-s*u,e[8]=c,e[1]=d+p*c,e[5]=h-f*c,e[9]=-o*s,e[2]=f-h*c,e[6]=p+d*c,e[10]=a*s}else if("YXZ"===t.order){var m=s*l,v=s*u,g=c*l,y=c*u;e[0]=m+y*o,e[4]=g*o-v,e[8]=a*c,e[1]=a*u,e[5]=a*l,e[9]=-o,e[2]=v*o-g,e[6]=y+m*o,e[10]=a*s}else if("ZXY"===t.order){var x=s*l,_=s*u,b=c*l,w=c*u;e[0]=x-w*o,e[4]=-a*u,e[8]=b+_*o,e[1]=_+b*o,e[5]=a*l,e[9]=w-x*o,e[2]=-a*c,e[6]=o,e[10]=a*s}else if("ZYX"===t.order){var M=a*l,S=a*u,T=o*l,E=o*u;e[0]=s*l,e[4]=T*c-S,e[8]=M*c+E,e[1]=s*u,e[5]=E*c+M,e[9]=S*c-T,e[2]=-c,e[6]=o*s,e[10]=a*s}else if("YZX"===t.order){var A=a*s,L=a*c,R=o*s,C=o*c;e[0]=s*l,e[4]=C-A*u,e[8]=R*u+L,e[1]=u,e[5]=a*l,e[9]=-o*l,e[2]=-c*l,e[6]=L*u+R,e[10]=A-C*u}else if("XZY"===t.order){var P=a*s,I=a*c,D=o*s,O=o*c;e[0]=s*l,e[4]=-u,e[8]=c*l,e[1]=P*u+O,e[5]=a*l,e[9]=I*u-D,e[2]=D*u-I,e[6]=o*l,e[10]=O*u+P}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this},e.makeRotationFromQuaternion=function(t){return this.compose($t,t,te)},e.lookAt=function(t,e,n){var r=this.elements;return re.subVectors(t,e),0===re.lengthSq()&&(re.z=1),re.normalize(),ee.crossVectors(n,re),0===ee.lengthSq()&&(1===Math.abs(n.z)?re.x+=1e-4:re.z+=1e-4,re.normalize(),ee.crossVectors(n,re)),ee.normalize(),ne.crossVectors(re,ee),r[0]=ee.x,r[4]=ne.x,r[8]=re.x,r[1]=ee.y,r[5]=ne.y,r[9]=re.y,r[2]=ee.z,r[6]=ne.z,r[10]=re.z,this},e.multiply=function(t,e){return void 0!==e?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(t,e)):this.multiplyMatrices(this,t)},e.premultiply=function(t){return this.multiplyMatrices(t,this)},e.multiplyMatrices=function(t,e){var n=t.elements,r=e.elements,i=this.elements,a=n[0],o=n[4],s=n[8],c=n[12],l=n[1],u=n[5],h=n[9],d=n[13],p=n[2],f=n[6],m=n[10],v=n[14],g=n[3],y=n[7],x=n[11],_=n[15],b=r[0],w=r[4],M=r[8],S=r[12],T=r[1],E=r[5],A=r[9],L=r[13],R=r[2],C=r[6],P=r[10],I=r[14],D=r[3],O=r[7],N=r[11],B=r[15];return i[0]=a*b+o*T+s*R+c*D,i[4]=a*w+o*E+s*C+c*O,i[8]=a*M+o*A+s*P+c*N,i[12]=a*S+o*L+s*I+c*B,i[1]=l*b+u*T+h*R+d*D,i[5]=l*w+u*E+h*C+d*O,i[9]=l*M+u*A+h*P+d*N,i[13]=l*S+u*L+h*I+d*B,i[2]=p*b+f*T+m*R+v*D,i[6]=p*w+f*E+m*C+v*O,i[10]=p*M+f*A+m*P+v*N,i[14]=p*S+f*L+m*I+v*B,i[3]=g*b+y*T+x*R+_*D,i[7]=g*w+y*E+x*C+_*O,i[11]=g*M+y*A+x*P+_*N,i[15]=g*S+y*L+x*I+_*B,this},e.multiplyScalar=function(t){var 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},e.determinant=function(){var t=this.elements,e=t[0],n=t[4],r=t[8],i=t[12],a=t[1],o=t[5],s=t[9],c=t[13],l=t[2],u=t[6],h=t[10],d=t[14];return t[3]*(+i*s*u-r*c*u-i*o*h+n*c*h+r*o*d-n*s*d)+t[7]*(+e*s*d-e*c*h+i*a*h-r*a*d+r*c*l-i*s*l)+t[11]*(+e*c*u-e*o*d-i*a*u+n*a*d+i*o*l-n*c*l)+t[15]*(-r*o*l-e*s*u+e*o*h+r*a*u-n*a*h+n*s*l)},e.transpose=function(){var t,e=this.elements;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this},e.setPosition=function(t,e,n){var r=this.elements;return t.isVector3?(r[12]=t.x,r[13]=t.y,r[14]=t.z):(r[12]=t,r[13]=e,r[14]=n),this},e.getInverse=function(t,e){void 0!==e&&console.warn("THREE.Matrix4: .getInverse() can no longer be configured to throw on degenerate.");var n=this.elements,r=t.elements,i=r[0],a=r[1],o=r[2],s=r[3],c=r[4],l=r[5],u=r[6],h=r[7],d=r[8],p=r[9],f=r[10],m=r[11],v=r[12],g=r[13],y=r[14],x=r[15],_=p*y*h-g*f*h+g*u*m-l*y*m-p*u*x+l*f*x,b=v*f*h-d*y*h-v*u*m+c*y*m+d*u*x-c*f*x,w=d*g*h-v*p*h+v*l*m-c*g*m-d*l*x+c*p*x,M=v*p*u-d*g*u-v*l*f+c*g*f+d*l*y-c*p*y,S=i*_+a*b+o*w+s*M;if(0===S)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);var T=1/S;return n[0]=_*T,n[1]=(g*f*s-p*y*s-g*o*m+a*y*m+p*o*x-a*f*x)*T,n[2]=(l*y*s-g*u*s+g*o*h-a*y*h-l*o*x+a*u*x)*T,n[3]=(p*u*s-l*f*s-p*o*h+a*f*h+l*o*m-a*u*m)*T,n[4]=b*T,n[5]=(d*y*s-v*f*s+v*o*m-i*y*m-d*o*x+i*f*x)*T,n[6]=(v*u*s-c*y*s-v*o*h+i*y*h+c*o*x-i*u*x)*T,n[7]=(c*f*s-d*u*s+d*o*h-i*f*h-c*o*m+i*u*m)*T,n[8]=w*T,n[9]=(v*p*s-d*g*s-v*a*m+i*g*m+d*a*x-i*p*x)*T,n[10]=(c*g*s-v*l*s+v*a*h-i*g*h-c*a*x+i*l*x)*T,n[11]=(d*l*s-c*p*s-d*a*h+i*p*h+c*a*m-i*l*m)*T,n[12]=M*T,n[13]=(d*g*o-v*p*o+v*a*f-i*g*f-d*a*y+i*p*y)*T,n[14]=(v*l*o-c*g*o-v*a*u+i*g*u+c*a*y-i*l*y)*T,n[15]=(c*p*o-d*l*o+d*a*u-i*p*u-c*a*f+i*l*f)*T,this},e.scale=function(t){var e=this.elements,n=t.x,r=t.y,i=t.z;return e[0]*=n,e[4]*=r,e[8]*=i,e[1]*=n,e[5]*=r,e[9]*=i,e[2]*=n,e[6]*=r,e[10]*=i,e[3]*=n,e[7]*=r,e[11]*=i,this},e.getMaxScaleOnAxis=function(){var 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],r=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,r))},e.makeTranslation=function(t,e,n){return this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this},e.makeRotationX=function(t){var 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},e.makeRotationY=function(t){var 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},e.makeRotationZ=function(t){var 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},e.makeRotationAxis=function(t,e){var n=Math.cos(e),r=Math.sin(e),i=1-n,a=t.x,o=t.y,s=t.z,c=i*a,l=i*o;return this.set(c*a+n,c*o-r*s,c*s+r*o,0,c*o+r*s,l*o+n,l*s-r*a,0,c*s-r*o,l*s+r*a,i*s*s+n,0,0,0,0,1),this},e.makeScale=function(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this},e.makeShear=function(t,e,n){return this.set(1,e,n,0,t,1,n,0,t,e,1,0,0,0,0,1),this},e.compose=function(t,e,n){var r=this.elements,i=e._x,a=e._y,o=e._z,s=e._w,c=i+i,l=a+a,u=o+o,h=i*c,d=i*l,p=i*u,f=a*l,m=a*u,v=o*u,g=s*c,y=s*l,x=s*u,_=n.x,b=n.y,w=n.z;return r[0]=(1-(f+v))*_,r[1]=(d+x)*_,r[2]=(p-y)*_,r[3]=0,r[4]=(d-x)*b,r[5]=(1-(h+v))*b,r[6]=(m+g)*b,r[7]=0,r[8]=(p+y)*w,r[9]=(m-g)*w,r[10]=(1-(h+f))*w,r[11]=0,r[12]=t.x,r[13]=t.y,r[14]=t.z,r[15]=1,this},e.decompose=function(t,e,n){var r=this.elements,i=Qt.set(r[0],r[1],r[2]).length(),a=Qt.set(r[4],r[5],r[6]).length(),o=Qt.set(r[8],r[9],r[10]).length();this.determinant()<0&&(i=-i),t.x=r[12],t.y=r[13],t.z=r[14],Kt.copy(this);var s=1/i,c=1/a,l=1/o;return Kt.elements[0]*=s,Kt.elements[1]*=s,Kt.elements[2]*=s,Kt.elements[4]*=c,Kt.elements[5]*=c,Kt.elements[6]*=c,Kt.elements[8]*=l,Kt.elements[9]*=l,Kt.elements[10]*=l,e.setFromRotationMatrix(Kt),n.x=i,n.y=a,n.z=o,this},e.makePerspective=function(t,e,n,r,i,a){void 0===a&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");var o=this.elements,s=2*i/(e-t),c=2*i/(n-r),l=(e+t)/(e-t),u=(n+r)/(n-r),h=-(a+i)/(a-i),d=-2*a*i/(a-i);return o[0]=s,o[4]=0,o[8]=l,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=h,o[14]=d,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this},e.makeOrthographic=function(t,e,n,r,i,a){var o=this.elements,s=1/(e-t),c=1/(n-r),l=1/(a-i),u=(e+t)*s,h=(n+r)*c,d=(a+i)*l;return o[0]=2*s,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-h,o[2]=0,o[6]=0,o[10]=-2*l,o[14]=-d,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this},e.equals=function(t){for(var e=this.elements,n=t.elements,r=0;r<16;r++)if(e[r]!==n[r])return!1;return!0},e.fromArray=function(t,e){void 0===e&&(e=0);for(var n=0;n<16;n++)this.elements[n]=t[n+e];return this},e.toArray=function(t,e){void 0===t&&(t=[]),void 0===e&&(e=0);var 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},t}(),Qt=new wt,Kt=new Jt,$t=new wt(0,0,0),te=new wt(1,1,1),ee=new wt,ne=new wt,re=new wt,ie=function(){function t(e,n,r,i){void 0===e&&(e=0),void 0===n&&(n=0),void 0===r&&(r=0),void 0===i&&(i=t.DefaultOrder),Object.defineProperty(this,"isEuler",{value:!0}),this._x=e,this._y=n,this._z=r,this._order=i}var e=t.prototype;return e.set=function(t,e,n,r){return this._x=t,this._y=e,this._z=n,this._order=r||this._order,this._onChangeCallback(),this},e.clone=function(){return new this.constructor(this._x,this._y,this._z,this._order)},e.copy=function(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this},e.setFromRotationMatrix=function(t,e,n){var r=st.clamp,i=t.elements,a=i[0],o=i[4],s=i[8],c=i[1],l=i[5],u=i[9],h=i[2],d=i[6],p=i[10];switch(e=e||this._order){case"XYZ":this._y=Math.asin(r(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-u,p),this._z=Math.atan2(-o,a)):(this._x=Math.atan2(d,l),this._z=0);break;case"YXZ":this._x=Math.asin(-r(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(s,p),this._z=Math.atan2(c,l)):(this._y=Math.atan2(-h,a),this._z=0);break;case"ZXY":this._x=Math.asin(r(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,p),this._z=Math.atan2(-o,l)):(this._y=0,this._z=Math.atan2(c,a));break;case"ZYX":this._y=Math.asin(-r(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,p),this._z=Math.atan2(c,a)):(this._x=0,this._z=Math.atan2(-o,l));break;case"YZX":this._z=Math.asin(r(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(-u,l),this._y=Math.atan2(-h,a)):(this._x=0,this._y=Math.atan2(s,p));break;case"XZY":this._z=Math.asin(-r(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(d,l),this._y=Math.atan2(s,a)):(this._x=Math.atan2(-u,p),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!1!==n&&this._onChangeCallback(),this},e.setFromQuaternion=function(t,e,n){return ae.makeRotationFromQuaternion(t),this.setFromRotationMatrix(ae,e,n)},e.setFromVector3=function(t,e){return this.set(t.x,t.y,t.z,e||this._order)},e.reorder=function(t){return oe.setFromEuler(this),this.setFromQuaternion(oe,t)},e.equals=function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order},e.fromArray=function(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},e.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t},e.toVector3=function(t){return t?t.set(this._x,this._y,this._z):new wt(this._x,this._y,this._z)},e._onChange=function(t){return this._onChangeCallback=t,this},e._onChangeCallback=function(){},lt(t,[{key:"x",get:function(){return this._x},set:function(t){this._x=t,this._onChangeCallback()}},{key:"y",get:function(){return this._y},set:function(t){this._y=t,this._onChangeCallback()}},{key:"z",get:function(){return this._z},set:function(t){this._z=t,this._onChangeCallback()}},{key:"order",get:function(){return this._order},set:function(t){this._order=t,this._onChangeCallback()}}]),t}();ie.DefaultOrder="XYZ",ie.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];var ae=new Jt,oe=new bt,se=function(){function t(){this.mask=1}var e=t.prototype;return e.set=function(t){this.mask=1<<t|0},e.enable=function(t){this.mask|=1<<t|0},e.enableAll=function(){this.mask=-1},e.toggle=function(t){this.mask^=1<<t|0},e.disable=function(t){this.mask&=~(1<<t|0)},e.disableAll=function(){this.mask=0},e.test=function(t){return 0!=(this.mask&t.mask)},t}(),ce=0,le=new wt,ue=new bt,he=new Jt,de=new wt,pe=new wt,fe=new wt,me=new bt,ve=new wt(1,0,0),ge=new wt(0,1,0),ye=new wt(0,0,1),xe={type:"added"},_e={type:"removed"};function be(){Object.defineProperty(this,"id",{value:ce++}),this.uuid=st.generateUUID(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=be.DefaultUp.clone();var t=new wt,e=new ie,n=new bt,r=new wt(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:r},modelViewMatrix:{value:new Jt},normalMatrix:{value:new ft}}),this.matrix=new Jt,this.matrixWorld=new Jt,this.matrixAutoUpdate=be.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new se,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.userData={}}be.DefaultUp=new wt(0,1,0),be.DefaultMatrixAutoUpdate=!0,be.prototype=Object.assign(Object.create(rt.prototype),{constructor:be,isObject3D:!0,onBeforeRender:function(){},onAfterRender:function(){},applyMatrix4:function(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)},applyQuaternion:function(t){return this.quaternion.premultiply(t),this},setRotationFromAxisAngle:function(t,e){this.quaternion.setFromAxisAngle(t,e)},setRotationFromEuler:function(t){this.quaternion.setFromEuler(t,!0)},setRotationFromMatrix:function(t){this.quaternion.setFromRotationMatrix(t)},setRotationFromQuaternion:function(t){this.quaternion.copy(t)},rotateOnAxis:function(t,e){return ue.setFromAxisAngle(t,e),this.quaternion.multiply(ue),this},rotateOnWorldAxis:function(t,e){return ue.setFromAxisAngle(t,e),this.quaternion.premultiply(ue),this},rotateX:function(t){return this.rotateOnAxis(ve,t)},rotateY:function(t){return this.rotateOnAxis(ge,t)},rotateZ:function(t){return this.rotateOnAxis(ye,t)},translateOnAxis:function(t,e){return le.copy(t).applyQuaternion(this.quaternion),this.position.add(le.multiplyScalar(e)),this},translateX:function(t){return this.translateOnAxis(ve,t)},translateY:function(t){return this.translateOnAxis(ge,t)},translateZ:function(t){return this.translateOnAxis(ye,t)},localToWorld:function(t){return t.applyMatrix4(this.matrixWorld)},worldToLocal:function(t){return t.applyMatrix4(he.getInverse(this.matrixWorld))},lookAt:function(t,e,n){t.isVector3?de.copy(t):de.set(t,e,n);var r=this.parent;this.updateWorldMatrix(!0,!1),pe.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?he.lookAt(pe,de,this.up):he.lookAt(de,pe,this.up),this.quaternion.setFromRotationMatrix(he),r&&(he.extractRotation(r.matrixWorld),ue.setFromRotationMatrix(he),this.quaternion.premultiply(ue.inverse()))},add:function(t){if(arguments.length>1){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);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(xe)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)},remove:function(t){if(arguments.length>1){for(var e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}var n=this.children.indexOf(t);return-1!==n&&(t.parent=null,this.children.splice(n,1),t.dispatchEvent(_e)),this},clear:function(){for(var t=0;t<this.children.length;t++){var e=this.children[t];e.parent=null,e.dispatchEvent(_e)}return this.children.length=0,this},attach:function(t){return this.updateWorldMatrix(!0,!1),he.getInverse(this.matrixWorld),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),he.multiply(t.parent.matrixWorld)),t.applyMatrix4(he),t.updateWorldMatrix(!1,!1),this.add(t),this},getObjectById:function(t){return this.getObjectByProperty("id",t)},getObjectByName:function(t){return this.getObjectByProperty("name",t)},getObjectByProperty:function(t,e){if(this[t]===e)return this;for(var n=0,r=this.children.length;n<r;n++){var i=this.children[n].getObjectByProperty(t,e);if(void 0!==i)return i}},getWorldPosition:function(t){return void 0===t&&(console.warn("THREE.Object3D: .getWorldPosition() target is now required"),t=new wt),this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(t){return void 0===t&&(console.warn("THREE.Object3D: .getWorldQuaternion() target is now required"),t=new bt),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(pe,t,fe),t},getWorldScale:function(t){return void 0===t&&(console.warn("THREE.Object3D: .getWorldScale() target is now required"),t=new wt),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(pe,me,t),t},getWorldDirection:function(t){void 0===t&&(console.warn("THREE.Object3D: .getWorldDirection() target is now required"),t=new wt),this.updateWorldMatrix(!0,!1);var e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()},raycast:function(){},traverse:function(t){t(this);for(var e=this.children,n=0,r=e.length;n<r;n++)e[n].traverse(t)},traverseVisible:function(t){if(!1!==this.visible){t(this);for(var e=this.children,n=0,r=e.length;n<r;n++)e[n].traverseVisible(t)}},traverseAncestors:function(t){var e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(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);for(var e=this.children,n=0,r=e.length;n<r;n++)e[n].updateMatrixWorld(t)},updateWorldMatrix:function(t,e){var n=this.parent;if(!0===t&&null!==n&&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)for(var r=this.children,i=0,a=r.length;i<a;i++)r[i].updateWorldMatrix(!1,!0)},toJSON:function(t){var e=void 0===t||"string"==typeof t,n={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});var r={};function i(e,n){return void 0===e[n.uuid]&&(e[n.uuid]=n.toJSON(t)),n.uuid}if(r.uuid=this.uuid,r.type=this.type,""!==this.name&&(r.name=this.name),!0===this.castShadow&&(r.castShadow=!0),!0===this.receiveShadow&&(r.receiveShadow=!0),!1===this.visible&&(r.visible=!1),!1===this.frustumCulled&&(r.frustumCulled=!1),0!==this.renderOrder&&(r.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(r.userData=this.userData),r.layers=this.layers.mask,r.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(r.matrixAutoUpdate=!1),this.isInstancedMesh&&(r.type="InstancedMesh",r.count=this.count,r.instanceMatrix=this.instanceMatrix.toJSON()),this.isMesh||this.isLine||this.isPoints){r.geometry=i(t.geometries,this.geometry);var a=this.geometry.parameters;if(void 0!==a&&void 0!==a.shapes){var o=a.shapes;if(Array.isArray(o))for(var s=0,c=o.length;s<c;s++){var l=o[s];i(t.shapes,l)}else i(t.shapes,o)}}if(void 0!==this.material)if(Array.isArray(this.material)){for(var u=[],h=0,d=this.material.length;h<d;h++)u.push(i(t.materials,this.material[h]));r.material=u}else r.material=i(t.materials,this.material);if(this.children.length>0){r.children=[];for(var p=0;p<this.children.length;p++)r.children.push(this.children[p].toJSON(t).object)}if(e){var f=x(t.geometries),m=x(t.materials),v=x(t.textures),g=x(t.images),y=x(t.shapes);f.length>0&&(n.geometries=f),m.length>0&&(n.materials=m),v.length>0&&(n.textures=v),g.length>0&&(n.images=g),y.length>0&&(n.shapes=y)}return n.object=r,n;function x(t){var e=[];for(var n in t){var r=t[n];delete r.metadata,e.push(r)}return e}},clone:function(t){return(new this.constructor).copy(this,t)},copy:function(t,e){if(void 0===e&&(e=!0),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.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.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(var n=0;n<t.children.length;n++){var r=t.children[n];this.add(r.clone())}return this}});var we=new wt,Me=new wt,Se=new ft,Te=function(){function t(t,e){Object.defineProperty(this,"isPlane",{value:!0}),this.normal=void 0!==t?t:new wt(1,0,0),this.constant=void 0!==e?e:0}var e=t.prototype;return e.set=function(t,e){return this.normal.copy(t),this.constant=e,this},e.setComponents=function(t,e,n,r){return this.normal.set(t,e,n),this.constant=r,this},e.setFromNormalAndCoplanarPoint=function(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this},e.setFromCoplanarPoints=function(t,e,n){var r=we.subVectors(n,e).cross(Me.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(r,t),this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.normal.copy(t.normal),this.constant=t.constant,this},e.normalize=function(){var t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this},e.negate=function(){return this.constant*=-1,this.normal.negate(),this},e.distanceToPoint=function(t){return this.normal.dot(t)+this.constant},e.distanceToSphere=function(t){return this.distanceToPoint(t.center)-t.radius},e.projectPoint=function(t,e){return void 0===e&&(console.warn("THREE.Plane: .projectPoint() target is now required"),e=new wt),e.copy(this.normal).multiplyScalar(-this.distanceToPoint(t)).add(t)},e.intersectLine=function(t,e){void 0===e&&(console.warn("THREE.Plane: .intersectLine() target is now required"),e=new wt);var n=t.delta(we),r=this.normal.dot(n);if(0===r)return 0===this.distanceToPoint(t.start)?e.copy(t.start):void 0;var i=-(t.start.dot(this.normal)+this.constant)/r;return i<0||i>1?void 0:e.copy(n).multiplyScalar(i).add(t.start)},e.intersectsLine=function(t){var e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0},e.intersectsBox=function(t){return t.intersectsPlane(this)},e.intersectsSphere=function(t){return t.intersectsPlane(this)},e.coplanarPoint=function(t){return void 0===t&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),t=new wt),t.copy(this.normal).multiplyScalar(-this.constant)},e.applyMatrix4=function(t,e){var n=e||Se.getNormalMatrix(t),r=this.coplanarPoint(we).applyMatrix4(t),i=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(i),this},e.translate=function(t){return this.constant-=t.dot(this.normal),this},e.equals=function(t){return t.normal.equals(this.normal)&&t.constant===this.constant},t}(),Ee=new wt,Ae=new wt,Le=new wt,Re=new wt,Ce=new wt,Pe=new wt,Ie=new wt,De=new wt,Oe=new wt,Ne=new wt,Be=function(){function t(t,e,n){this.a=void 0!==t?t:new wt,this.b=void 0!==e?e:new wt,this.c=void 0!==n?n:new wt}t.getNormal=function(t,e,n,r){void 0===r&&(console.warn("THREE.Triangle: .getNormal() target is now required"),r=new wt),r.subVectors(n,e),Ee.subVectors(t,e),r.cross(Ee);var i=r.lengthSq();return i>0?r.multiplyScalar(1/Math.sqrt(i)):r.set(0,0,0)},t.getBarycoord=function(t,e,n,r,i){Ee.subVectors(r,e),Ae.subVectors(n,e),Le.subVectors(t,e);var a=Ee.dot(Ee),o=Ee.dot(Ae),s=Ee.dot(Le),c=Ae.dot(Ae),l=Ae.dot(Le),u=a*c-o*o;if(void 0===i&&(console.warn("THREE.Triangle: .getBarycoord() target is now required"),i=new wt),0===u)return i.set(-2,-1,-1);var h=1/u,d=(c*s-o*l)*h,p=(a*l-o*s)*h;return i.set(1-d-p,p,d)},t.containsPoint=function(t,e,n,r){return this.getBarycoord(t,e,n,r,Re),Re.x>=0&&Re.y>=0&&Re.x+Re.y<=1},t.getUV=function(t,e,n,r,i,a,o,s){return this.getBarycoord(t,e,n,r,Re),s.set(0,0),s.addScaledVector(i,Re.x),s.addScaledVector(a,Re.y),s.addScaledVector(o,Re.z),s},t.isFrontFacing=function(t,e,n,r){return Ee.subVectors(n,e),Ae.subVectors(t,e),Ee.cross(Ae).dot(r)<0};var e=t.prototype;return e.set=function(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this},e.setFromPointsAndIndices=function(t,e,n,r){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[r]),this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this},e.getArea=function(){return Ee.subVectors(this.c,this.b),Ae.subVectors(this.a,this.b),.5*Ee.cross(Ae).length()},e.getMidpoint=function(t){return void 0===t&&(console.warn("THREE.Triangle: .getMidpoint() target is now required"),t=new wt),t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)},e.getNormal=function(e){return t.getNormal(this.a,this.b,this.c,e)},e.getPlane=function(t){return void 0===t&&(console.warn("THREE.Triangle: .getPlane() target is now required"),t=new Te),t.setFromCoplanarPoints(this.a,this.b,this.c)},e.getBarycoord=function(e,n){return t.getBarycoord(e,this.a,this.b,this.c,n)},e.getUV=function(e,n,r,i,a){return t.getUV(e,this.a,this.b,this.c,n,r,i,a)},e.containsPoint=function(e){return t.containsPoint(e,this.a,this.b,this.c)},e.isFrontFacing=function(e){return t.isFrontFacing(this.a,this.b,this.c,e)},e.intersectsBox=function(t){return t.intersectsTriangle(this)},e.closestPointToPoint=function(t,e){void 0===e&&(console.warn("THREE.Triangle: .closestPointToPoint() target is now required"),e=new wt);var n,r,i=this.a,a=this.b,o=this.c;Ce.subVectors(a,i),Pe.subVectors(o,i),De.subVectors(t,i);var s=Ce.dot(De),c=Pe.dot(De);if(s<=0&&c<=0)return e.copy(i);Oe.subVectors(t,a);var l=Ce.dot(Oe),u=Pe.dot(Oe);if(l>=0&&u<=l)return e.copy(a);var h=s*u-l*c;if(h<=0&&s>=0&&l<=0)return n=s/(s-l),e.copy(i).addScaledVector(Ce,n);Ne.subVectors(t,o);var d=Ce.dot(Ne),p=Pe.dot(Ne);if(p>=0&&d<=p)return e.copy(o);var f=d*c-s*p;if(f<=0&&c>=0&&p<=0)return r=c/(c-p),e.copy(i).addScaledVector(Pe,r);var m=l*p-d*u;if(m<=0&&u-l>=0&&d-p>=0)return Ie.subVectors(o,a),r=(u-l)/(u-l+(d-p)),e.copy(a).addScaledVector(Ie,r);var v=1/(m+f+h);return n=f*v,r=h*v,e.copy(i).addScaledVector(Ce,n).addScaledVector(Pe,r)},e.equals=function(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)},t}(),ze={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},Ge={h:0,s:0,l:0},Fe={h:0,s:0,l:0};function Ue(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}function He(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function ke(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}var Ve=function(){function t(t,e,n){return Object.defineProperty(this,"isColor",{value:!0}),void 0===e&&void 0===n?this.set(t):this.setRGB(t,e,n)}var e=t.prototype;return e.set=function(t){return t&&t.isColor?this.copy(t):"number"==typeof t?this.setHex(t):"string"==typeof t&&this.setStyle(t),this},e.setScalar=function(t){return this.r=t,this.g=t,this.b=t,this},e.setHex=function(t){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,this},e.setRGB=function(t,e,n){return this.r=t,this.g=e,this.b=n,this},e.setHSL=function(t,e,n){if(t=st.euclideanModulo(t,1),e=st.clamp(e,0,1),n=st.clamp(n,0,1),0===e)this.r=this.g=this.b=n;else{var 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o=parseFloat(r[1])/360,s=parseInt(r[2],10)/100,c=parseInt(r[3],10)/100;return e(r[5]),this.setHSL(o,s,c)}}}else if(n=/^\#([A-Fa-f0-9]+)$/.exec(t)){var l=n[1],u=l.length;if(3===u)return this.r=parseInt(l.charAt(0)+l.charAt(0),16)/255,this.g=parseInt(l.charAt(1)+l.charAt(1),16)/255,this.b=parseInt(l.charAt(2)+l.charAt(2),16)/255,this;if(6===u)return this.r=parseInt(l.charAt(0)+l.charAt(1),16)/255,this.g=parseInt(l.charAt(2)+l.charAt(3),16)/255,this.b=parseInt(l.charAt(4)+l.charAt(5),16)/255,this}return t&&t.length>0?this.setColorName(t):this},e.setColorName=function(t){var e=ze[t];return void 0!==e?this.setHex(e):console.warn("THREE.Color: Unknown color "+t),this},e.clone=function(){return new this.constructor(this.r,this.g,this.b)},e.copy=function(t){return this.r=t.r,this.g=t.g,this.b=t.b,this},e.copyGammaToLinear=function(t,e){return void 0===e&&(e=2),this.r=Math.pow(t.r,e),this.g=Math.pow(t.g,e),this.b=Math.pow(t.b,e),this},e.copyLinearToGamma=function(t,e){void 0===e&&(e=2);var n=e>0?1/e:1;return this.r=Math.pow(t.r,n),this.g=Math.pow(t.g,n),this.b=Math.pow(t.b,n),this},e.convertGammaToLinear=function(t){return this.copyGammaToLinear(this,t),this},e.convertLinearToGamma=function(t){return this.copyLinearToGamma(this,t),this},e.copySRGBToLinear=function(t){return this.r=He(t.r),this.g=He(t.g),this.b=He(t.b),this},e.copyLinearToSRGB=function(t){return this.r=ke(t.r),this.g=ke(t.g),this.b=ke(t.b),this},e.convertSRGBToLinear=function(){return this.copySRGBToLinear(this),this},e.convertLinearToSRGB=function(){return this.copyLinearToSRGB(this),this},e.getHex=function(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0},e.getHexString=function(){return("000000"+this.getHex().toString(16)).slice(-6)},e.getHSL=function(t){void 0===t&&(console.warn("THREE.Color: .getHSL() target is now required"),t={h:0,s:0,l:0});var e,n,r=this.r,i=this.g,a=this.b,o=Math.max(r,i,a),s=Math.min(r,i,a),c=(s+o)/2;if(s===o)e=0,n=0;else{var l=o-s;switch(n=c<=.5?l/(o+s):l/(2-o-s),o){case r:e=(i-a)/l+(i<a?6:0);break;case i:e=(a-r)/l+2;break;case a:e=(r-i)/l+4}e/=6}return t.h=e,t.s=n,t.l=c,t},e.getStyle=function(){return"rgb("+(255*this.r|0)+","+(255*this.g|0)+","+(255*this.b|0)+")"},e.offsetHSL=function(t,e,n){return this.getHSL(Ge),Ge.h+=t,Ge.s+=e,Ge.l+=n,this.setHSL(Ge.h,Ge.s,Ge.l),this},e.add=function(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this},e.addColors=function(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this},e.addScalar=function(t){return this.r+=t,this.g+=t,this.b+=t,this},e.sub=function(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},e.multiply=function(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this},e.multiplyScalar=function(t){return this.r*=t,this.g*=t,this.b*=t,this},e.lerp=function(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},e.lerpHSL=function(t,e){this.getHSL(Ge),t.getHSL(Fe);var n=st.lerp(Ge.h,Fe.h,e),r=st.lerp(Ge.s,Fe.s,e),i=st.lerp(Ge.l,Fe.l,e);return this.setHSL(n,r,i),this},e.equals=function(t){return t.r===this.r&&t.g===this.g&&t.b===this.b},e.fromArray=function(t,e){return void 0===e&&(e=0),this.r=t[e],this.g=t[e+1],this.b=t[e+2],this},e.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t},e.fromBufferAttribute=function(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),!0===t.normalized&&(this.r/=255,this.g/=255,this.b/=255),this},e.toJSON=function(){return this.getHex()},t}();Ve.NAMES=ze,Ve.prototype.r=1,Ve.prototype.g=1,Ve.prototype.b=1;var We=function(){function t(t,e,n,r,i,a){this.a=t,this.b=e,this.c=n,this.normal=r&&r.isVector3?r:new wt,this.vertexNormals=Array.isArray(r)?r:[],this.color=i&&i.isColor?i:new Ve,this.vertexColors=Array.isArray(i)?i:[],this.materialIndex=void 0!==a?a:0}var e=t.prototype;return e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){this.a=t.a,this.b=t.b,this.c=t.c,this.normal.copy(t.normal),this.color.copy(t.color),this.materialIndex=t.materialIndex;for(var e=0,n=t.vertexNormals.length;e<n;e++)this.vertexNormals[e]=t.vertexNormals[e].clone();for(var r=0,i=t.vertexColors.length;r<i;r++)this.vertexColors[r]=t.vertexColors[r].clone();return this},t}(),je=0;function qe(){Object.defineProperty(this,"id",{value:je++}),this.uuid=st.generateUUID(),this.name="",this.type="Material",this.fog=!0,this.blending=1,this.side=0,this.flatShading=!1,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=e,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=$,this.stencilZFail=$,this.stencilZPass=$,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.alphaTest=0,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0}function Xe(t){qe.call(this),this.type="MeshBasicMaterial",this.color=new Ve(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=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.setValues(t)}qe.prototype=Object.assign(Object.create(rt.prototype),{constructor:qe,isMaterial:!0,onBeforeCompile:function(){},customProgramCacheKey:function(){return this.onBeforeCompile.toString()},setValues:function(t){if(void 0!==t)for(var e in t){var n=t[e];if(void 0!==n)if("shading"!==e){var r=this[e];void 0!==r?r&&r.isColor?r.set(n):r&&r.isVector3&&n&&n.isVector3?r.copy(n):this[e]=n:console.warn("THREE."+this.type+": '"+e+"' is not a property of this material.")}else console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===n;else console.warn("THREE.Material: '"+e+"' parameter is undefined.")}},toJSON:function(t){var e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});var n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function r(t){var e=[];for(var n in t){var r=t[n];delete r.metadata,e.push(r)}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),this.sheen&&this.sheen.isColor&&(n.sheen=this.sheen.getHex()),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.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()),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),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.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,n.reflectivity=this.reflectivity,n.refractionRatio=this.refractionRatio,void 0!==this.combine&&(n.combine=this.combine),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity)),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.size&&(n.size=this.size),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),!0===this.flatShading&&(n.flatShading=this.flatShading),0!==this.side&&(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.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,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),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.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!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.morphTargets&&(n.morphTargets=!0),!0===this.morphNormals&&(n.morphNormals=!0),!0===this.skinning&&(n.skinning=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),e){var i=r(t.textures),a=r(t.images);i.length>0&&(n.textures=i),a.length>0&&(n.images=a)}return n},clone:function(){return(new this.constructor).copy(this)},copy:function(t){this.name=t.name,this.fog=t.fog,this.blending=t.blending,this.side=t.side,this.flatShading=t.flatShading,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;var e=t.clippingPlanes,n=null;if(null!==e){var r=e.length;n=new Array(r);for(var i=0;i!==r;++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.premultipliedAlpha=t.premultipliedAlpha,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Object.defineProperty(qe.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}}),Xe.prototype=Object.create(qe.prototype),Xe.prototype.constructor=Xe,Xe.prototype.isMeshBasicMaterial=!0,Xe.prototype.copy=function(t){return qe.prototype.copy.call(this,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.skinning=t.skinning,this.morphTargets=t.morphTargets,this};var Ye=new wt,Ze=new pt;function Je(t,e,n){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=!0===n,this.usage=tt,this.updateRange={offset:0,count:-1},this.version=0}function Qe(t,e,n){Je.call(this,new Int8Array(t),e,n)}function Ke(t,e,n){Je.call(this,new Uint8Array(t),e,n)}function $e(t,e,n){Je.call(this,new Uint8ClampedArray(t),e,n)}function tn(t,e,n){Je.call(this,new Int16Array(t),e,n)}function en(t,e,n){Je.call(this,new Uint16Array(t),e,n)}function nn(t,e,n){Je.call(this,new Int32Array(t),e,n)}function rn(t,e,n){Je.call(this,new Uint32Array(t),e,n)}function an(t,e,n){Je.call(this,new Float32Array(t),e,n)}function on(t,e,n){Je.call(this,new Float64Array(t),e,n)}Object.defineProperty(Je.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}}),Object.assign(Je.prototype,{isBufferAttribute:!0,onUploadCallback:function(){},setUsage:function(t){return this.usage=t,this},copy:function(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},copyAt:function(t,e,n){t*=this.itemSize,n*=e.itemSize;for(var r=0,i=this.itemSize;r<i;r++)this.array[t+r]=e.array[n+r];return this},copyArray:function(t){return this.array.set(t),this},copyColorsArray:function(t){for(var e=this.array,n=0,r=0,i=t.length;r<i;r++){var a=t[r];void 0===a&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",r),a=new Ve),e[n++]=a.r,e[n++]=a.g,e[n++]=a.b}return this},copyVector2sArray:function(t){for(var e=this.array,n=0,r=0,i=t.length;r<i;r++){var a=t[r];void 0===a&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",r),a=new pt),e[n++]=a.x,e[n++]=a.y}return this},copyVector3sArray:function(t){for(var e=this.array,n=0,r=0,i=t.length;r<i;r++){var a=t[r];void 0===a&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",r),a=new wt),e[n++]=a.x,e[n++]=a.y,e[n++]=a.z}return this},copyVector4sArray:function(t){for(var e=this.array,n=0,r=0,i=t.length;r<i;r++){var a=t[r];void 0===a&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",r),a=new yt),e[n++]=a.x,e[n++]=a.y,e[n++]=a.z,e[n++]=a.w}return this},applyMatrix3:function(t){if(2===this.itemSize)for(var e=0,n=this.count;e<n;e++)Ze.fromBufferAttribute(this,e),Ze.applyMatrix3(t),this.setXY(e,Ze.x,Ze.y);else if(3===this.itemSize)for(var r=0,i=this.count;r<i;r++)Ye.fromBufferAttribute(thi function
[all...]