three.cad/scene.bundle.js

(()=>{"use strict";var t={d:(e,n)=>{for(var i in n)t.o(n,i)&&!t.o(e,i)&&Object.defineProperty(e,i,{enumerable:!0,get:n[i]})},o:(t,e)=>Object.prototype.hasOwnProperty.call(t,e),r:t=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})}},e={};t.r(e),t.d(e,{ArcCurve:()=>li,CatmullRomCurve3:()=>mi,CubicBezierCurve:()=>yi,CubicBezierCurve3:()=>xi,EllipseCurve:()=>oi,LineCurve:()=>_i,LineCurve3:()=>bi,QuadraticBezierCurve:()=>Mi,QuadraticBezierCurve3:()=>wi,SplineCurve:()=>Si});var n={};t.r(n),t.d(n,{LineBasicMaterial:()=>zn,LineDashedMaterial:()=>Xr,Material:()=>Te,MeshBasicMaterial:()=>Ae,MeshDepthMaterial:()=>Vr,MeshDistanceMaterial:()=>Wr,MeshLambertMaterial:()=>Hr,MeshMatcapMaterial:()=>jr,MeshNormalMaterial:()=>kr,MeshPhongMaterial:()=>Br,MeshPhysicalMaterial:()=>Fr,MeshStandardMaterial:()=>Ur,MeshToonMaterial:()=>Gr,PointsMaterial:()=>Rn,RawShaderMaterial:()=>zr,ShaderMaterial:()=>Or,ShadowMaterial:()=>Cr,SpriteMaterial:()=>pn});var i={};t.r(i),t.d(i,{BoxBufferGeometry:()=>Qr,BoxGeometry:()=>Qr,CircleBufferGeometry:()=>$r,CircleGeometry:()=>$r,ConeBufferGeometry:()=>es,ConeGeometry:()=>es,CylinderBufferGeometry:()=>ts,CylinderGeometry:()=>ts,DodecahedronBufferGeometry:()=>is,DodecahedronGeometry:()=>is,EdgesGeometry:()=>ls,ExtrudeBufferGeometry:()=>Us,ExtrudeGeometry:()=>Us,IcosahedronBufferGeometry:()=>Bs,IcosahedronGeometry:()=>Bs,LatheBufferGeometry:()=>Gs,LatheGeometry:()=>Gs,OctahedronBufferGeometry:()=>ks,OctahedronGeometry:()=>ks,ParametricBufferGeometry:()=>Hs,ParametricGeometry:()=>Hs,PlaneBufferGeometry:()=>Vs,PlaneGeometry:()=>Vs,PolyhedronBufferGeometry:()=>ns,PolyhedronGeometry:()=>ns,RingBufferGeometry:()=>Ws,RingGeometry:()=>Ws,ShapeBufferGeometry:()=>js,ShapeGeometry:()=>js,SphereBufferGeometry:()=>Xs,SphereGeometry:()=>Xs,TetrahedronBufferGeometry:()=>qs,TetrahedronGeometry:()=>qs,TextBufferGeometry:()=>Ys,TextGeometry:()=>Ys,TorusBufferGeometry:()=>Zs,TorusGeometry:()=>Zs,TorusKnotBufferGeometry:()=>Js,TorusKnotGeometry:()=>Js,TubeBufferGeometry:()=>Ks,TubeGeometry:()=>Ks,WireframeGeometry:()=>Qs});const r=0,s=2,a=100,o=301,l=302,c=306,h=307,u=1e3,d=1001,p=1002,m=1003,f=1004,g=1005,v=1006,y=1008,x=1009,_=1012,b=1014,M=1015,w=1016,S=1020,E=1022,T=1023,A=1026,L=1027,R=2300,P=2301,C=2302,D=3e3,N=7680,I="300 es";class O{constructor(t=0,e=0,n=0,i=1){this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t,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)}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t,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)}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(c-u)<s&&Math.abs(h-m)<s&&Math.abs(p-f)<s){if(Math.abs(c+u)<a&&Math.abs(h+m)<a&&Math.abs(p+f)<a&&Math.abs(l+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(l+1)/2,o=(d+1)/2,v=(g+1)/2,y=(c+u)/4,x=(h+m)/4,_=(p+f)/4;return t>o&&t>v?t<s?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(t),i=y/n,r=x/n):o>v?o<s?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(o),n=y/i,r=_/i):v<s?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(v),n=x/r,i=_/r),this.set(n,i,r,e),this}let v=Math.sqrt((f-p)*(f-p)+(h-m)*(h-m)+(u-c)*(u-c));return Math.abs(v)<.001&&(v=1),this.x=(f-p)/v,this.y=(h-m)/v,this.z=(u-c)/v,this.w=Math.acos((l+d+g-1)/2),this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this.w=Math.max(t,Math.min(e,this.w)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this.w=t.w+(e.w-t.w)*n,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e,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}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}}O.prototype.isVector4=!0;const z=[];for(let t=0;t<256;t++)z[t]=(t<16?"0":"")+t.toString(16);let U=1234567;const F={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:function(){const t=4294967295*Math.random()|0,e=4294967295*Math.random()|0,n=4294967295*Math.random()|0,i=4294967295*Math.random()|0;return(z[255&t]+z[t>>8&255]+z[t>>16&255]+z[t>>24&255]+"-"+z[255&e]+z[e>>8&255]+"-"+z[e>>16&15|64]+z[e>>24&255]+"-"+z[63&n|128]+z[n>>8&255]+"-"+z[n>>16&255]+z[n>>24&255]+z[255&i]+z[i>>8&255]+z[i>>16&255]+z[i>>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,i,r){return i+(t-e)*(r-i)/(n-e)},lerp:function(t,e,n){return(1-n)*t+n*e},damp:function(t,e,n,i){return F.lerp(t,e,1-Math.exp(-n*i))},pingpong:function(t,e=1){return e-Math.abs(F.euclideanModulo(t,2*e)-e)},smoothstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*(3-2*t)},smootherstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){return void 0!==t&&(U=t%2147483647),U=16807*U%2147483647,(U-1)/2147483646},degToRad:function(t){return t*F.DEG2RAD},radToDeg:function(t){return t*F.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,i,r){const s=Math.cos,a=Math.sin,o=s(n/2),l=a(n/2),c=s((e+i)/2),h=a((e+i)/2),u=s((e-i)/2),d=a((e-i)/2),p=s((i-e)/2),m=a((i-e)/2);switch(r){case"XYX":t.set(o*h,l*u,l*d,o*c);break;case"YZY":t.set(l*d,o*h,l*u,o*c);break;case"ZXZ":t.set(l*u,l*d,o*h,o*c);break;case"XZX":t.set(o*h,l*m,l*p,o*c);break;case"YXY":t.set(l*p,o*h,l*m,o*c);break;case"ZYZ":t.set(l*m,l*p,o*h,o*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}}};class B{constructor(t=0,e=0,n=0,i=1){this._x=t,this._y=e,this._z=n,this._w=i}static slerp(t,e,n,i){return n.copy(t).slerp(e,i)}static slerpFlat(t,e,n,i,r,s,a){let o=n[i+0],l=n[i+1],c=n[i+2],h=n[i+3];const u=r[s+0],d=r[s+1],p=r[s+2],m=r[s+3];if(0===a)return t[e+0]=o,t[e+1]=l,t[e+2]=c,void(t[e+3]=h);if(1===a)return t[e+0]=u,t[e+1]=d,t[e+2]=p,void(t[e+3]=m);if(h!==m||o!==u||l!==d||c!==p){let t=1-a;const e=o*u+l*d+c*p+h*m,n=e>=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e){if(!t||!t.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),c=a(i/2),h=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!1!==e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>h){const t=2*Math.sqrt(1+n-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-n-h);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return n<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()}angleTo(t){return 2*Math.acos(Math.abs(F.clamp(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t,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)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+s*a+i*l-r*o,this._y=i*c+s*o+r*a-n*l,this._z=r*c+s*l+n*o-i*a,this._w=s*c-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}}B.prototype.isQuaternion=!0;class G{constructor(t=0,e=0,n=0){this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t,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)}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t,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)}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t,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)}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return t&&t.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(H.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(H.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=o*e+s*i-a*n,c=o*n+a*e-r*i,h=o*i+r*n-s*e,u=-r*e-s*n-a*i;return this.x=l*o+u*-r+c*-a-h*-s,this.y=c*o+u*-s+h*-r-l*-a,this.z=h*o+u*-a+l*-s-c*-r,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t,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)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return k.copy(this).projectOnVector(t),this.sub(k)}reflect(t){return this.sub(k.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(F.clamp(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e,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}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}}G.prototype.isVector3=!0;const k=new G,H=new B;class V{constructor(t=0,e=0){this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t,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)}addScalar(t){return this.x+=t,this.y+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this}sub(t,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)}subScalar(t){return this.x-=t,this.y-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this}multiply(t){return this.x*=t.x,this.y*=t.y,this}multiplyScalar(t){return this.x*=t,this.y*=t,this}divide(t){return this.x/=t.x,this.y/=t.y,this}divideScalar(t){return this.multiplyScalar(1/t)}applyMatrix3(t){const e=this.x,n=this.y,i=t.elements;return this.x=i[0]*e+i[3]*n+i[6],this.y=i[1]*e+i[4]*n+i[7],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y;return e*e+n*n}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return 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t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/ut.setFromMatrixColumn(t,0).length(),r=1/ut.setFromMatrixColumn(t,1).length(),s=1/ut.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){t&&t.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=i*h+n,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=n*h+i,e[10]=t-r*h}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=n*h-i,e[2]=i*h-n,e[6]=a*c,e[10]=r*h+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(pt,t,mt)}lookAt(t,e,n){const i=this.elements;return vt.subVectors(t,e),0===vt.lengthSq()&&(vt.z=1),vt.normalize(),ft.crossVectors(n,vt),0===ft.lengthSq()&&(1===Math.abs(n.z)?vt.x+=1e-4:vt.z+=1e-4,vt.normalize(),ft.crossVectors(n,vt)),ft.normalize(),gt.crossVectors(vt,ft),i[0]=ft.x,i[4]=gt.x,i[8]=vt.x,i[1]=ft.y,i[5]=gt.y,i[9]=vt.y,i[2]=ft.z,i[6]=gt.z,i[10]=vt.z,this}multiply(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)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],m=n[6],f=n[10],g=n[14],v=n[3],y=n[7],x=n[11],_=n[15],b=i[0],M=i[4],w=i[8],S=i[12],E=i[1],T=i[5],A=i[9],L=i[13],R=i[2],P=i[6],C=i[10],D=i[14],N=i[3],I=i[7],O=i[11],z=i[15];return r[0]=s*b+a*E+o*R+l*N,r[4]=s*M+a*T+o*P+l*I,r[8]=s*w+a*A+o*C+l*O,r[12]=s*S+a*L+o*D+l*z,r[1]=c*b+h*E+u*R+d*N,r[5]=c*M+h*T+u*P+d*I,r[9]=c*w+h*A+u*C+d*O,r[13]=c*S+h*L+u*D+d*z,r[2]=p*b+m*E+f*R+g*N,r[6]=p*M+m*T+f*P+g*I,r[10]=p*w+m*A+f*C+g*O,r[14]=p*S+m*L+f*D+g*z,r[3]=v*b+y*E+x*R+_*N,r[7]=v*M+y*T+x*P+_*I,r[11]=v*w+y*A+x*C+_*O,r[15]=v*S+y*L+x*D+_*z,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-i*l*h-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+n*s*d+r*a*c-n*l*c)+t[15]*(-i*a*c-e*o*h+e*a*u+i*s*h-n*s*u+n*o*c)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],v=h*f*l-m*u*l+m*o*d-a*f*d-h*o*g+a*u*g,y=p*u*l-c*f*l-p*o*d+s*f*d+c*o*g-s*u*g,x=c*m*l-p*h*l+p*a*d-s*m*d-c*a*g+s*h*g,_=p*h*o-c*m*o-p*a*u+s*m*u+c*a*f-s*h*f,b=e*v+n*y+i*x+r*_;if(0===b)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const M=1/b;return t[0]=v*M,t[1]=(m*u*r-h*f*r-m*i*d+n*f*d+h*i*g-n*u*g)*M,t[2]=(a*f*r-m*o*r+m*i*l-n*f*l-a*i*g+n*o*g)*M,t[3]=(h*o*r-a*u*r-h*i*l+n*u*l+a*i*d-n*o*d)*M,t[4]=y*M,t[5]=(c*f*r-p*u*r+p*i*d-e*f*d-c*i*g+e*u*g)*M,t[6]=(p*o*r-s*f*r-p*i*l+e*f*l+s*i*g-e*o*g)*M,t[7]=(s*u*r-c*o*r+c*i*l-e*u*l-s*i*d+e*o*d)*M,t[8]=x*M,t[9]=(p*h*r-c*m*r-p*n*d+e*m*d+c*n*g-e*h*g)*M,t[10]=(s*m*r-p*a*r+p*n*l-e*m*l-s*n*g+e*a*g)*M,t[11]=(c*a*r-s*h*r-c*n*l+e*h*l+s*n*d-e*a*d)*M,t[12]=_*M,t[13]=(c*m*i-p*h*i+p*n*u-e*m*u-c*n*f+e*h*f)*M,t[14]=(p*a*i-s*m*i-p*n*o+e*m*o+s*n*f-e*a*f)*M,t[15]=(s*h*i-c*a*i+c*n*o-e*h*o-s*n*u+e*a*u)*M,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,c*a+n,c*o-i*s,0,l*o-i*a,c*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n){return this.set(1,e,n,0,t,1,n,0,t,e,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,m=s*c,f=s*h,g=a*h,v=o*l,y=o*c,x=o*h,_=n.x,b=n.y,M=n.z;return i[0]=(1-(m+g))*_,i[1]=(d+x)*_,i[2]=(p-y)*_,i[3]=0,i[4]=(d-x)*b,i[5]=(1-(u+g))*b,i[6]=(f+v)*b,i[7]=0,i[8]=(p+y)*M,i[9]=(f-v)*M,i[10]=(1-(u+m))*M,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=ut.set(i[0],i[1],i[2]).length();const s=ut.set(i[4],i[5],i[6]).length(),a=ut.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],dt.copy(this);const o=1/r,l=1/s,c=1/a;return dt.elements[0]*=o,dt.elements[1]*=o,dt.elements[2]*=o,dt.elements[4]*=l,dt.elements[5]*=l,dt.elements[6]*=l,dt.elements[8]*=c,dt.elements[9]*=c,dt.elements[10]*=c,e.setFromRotationMatrix(dt),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s){void 0===s&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");const a=this.elements,o=2*r/(e-t),l=2*r/(n-i),c=(e+t)/(e-t),h=(n+i)/(n-i),u=-(s+r)/(s-r),d=-2*s*r/(s-r);return a[0]=o,a[4]=0,a[8]=c,a[12]=0,a[1]=0,a[5]=l,a[9]=h,a[13]=0,a[2]=0,a[6]=0,a[10]=u,a[14]=d,a[3]=0,a[7]=0,a[11]=-1,a[15]=0,this}makeOrthographic(t,e,n,i,r,s){const a=this.elements,o=1/(e-t),l=1/(n-i),c=1/(s-r),h=(e+t)*o,u=(n+i)*l,d=(s+r)*c;return a[0]=2*o,a[4]=0,a[8]=0,a[12]=-h,a[1]=0,a[5]=2*l,a[9]=0,a[13]=-u,a[2]=0,a[6]=0,a[10]=-2*c,a[14]=-d,a[3]=0,a[7]=0,a[11]=0,a[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}ht.prototype.isMatrix4=!0;const ut=new G,dt=new ht,pt=new G(0,0,0),mt=new G(1,1,1),ft=new G,gt=new G,vt=new G;function yt(){}Object.assign(yt.prototype,{addEventListener:function(t,e){void 0===this._listeners&&(this._listeners={});const n=this._listeners;void 0===n[t]&&(n[t]=[]),-1===n[t].indexOf(e)&&n[t].push(e)},hasEventListener:function(t,e){if(void 0===this._listeners)return!1;const n=this._listeners;return void 0!==n[t]&&-1!==n[t].indexOf(e)},removeEventListener:function(t,e){if(void 0===this._listeners)return;const n=this._listeners[t];if(void 0!==n){const t=n.indexOf(e);-1!==t&&n.splice(t,1)}},dispatchEvent:function(t){if(void 0===this._listeners)return;const e=this._listeners[t.type];if(void 0!==e){t.target=this;const n=e.slice(0);for(let e=0,i=n.length;e<i;e++)n[e].call(this,t)}}});const xt=new ht,_t=new B;class bt{constructor(t=0,e=0,n=0,i=bt.DefaultOrder){this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._order=i||this._order,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e,n){const i=F.clamp,r=t.elements,s=r[0],a=r[4],o=r[8],l=r[1],c=r[5],h=r[9],u=r[2],d=r[6],p=r[10];switch(e=e||this._order){case"XYZ":this._y=Math.asin(i(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-h,p),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-i(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(o,p),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-u,s),this._z=0);break;case"ZXY":this._x=Math.asin(i(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-u,p),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-i(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(d,p),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(i(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-h,c),this._y=Math.atan2(-u,s)):(this._x=0,this._y=Math.atan2(o,p));break;case"XZY":this._z=Math.asin(-i(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-h,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}setFromQuaternion(t,e,n){return xt.makeRotationFromQuaternion(t),this.setFromRotationMatrix(xt,e,n)}setFromVector3(t,e){return this.set(t.x,t.y,t.z,e||this._order)}reorder(t){return _t.setFromEuler(this),this.setFromQuaternion(_t,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}toVector3(t){return t?t.set(this._x,this._y,this._z):new G(this._x,this._y,this._z)}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}}bt.prototype.isEuler=!0,bt.DefaultOrder="XYZ",bt.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class Mt{constructor(){this.mask=1}set(t){this.mask=1<<t|0}enable(t){this.mask|=1<<t|0}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t|0}disable(t){this.mask&=~(1<<t|0)}disableAll(){this.mask=0}test(t){return 0!=(this.mask&t.mask)}}class wt{constructor(){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.")}set(t,e,n,i,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=i,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=n,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[3],o=n[6],l=n[1],c=n[4],h=n[7],u=n[2],d=n[5],p=n[8],m=i[0],f=i[3],g=i[6],v=i[1],y=i[4],x=i[7],_=i[2],b=i[5],M=i[8];return r[0]=s*m+a*v+o*_,r[3]=s*f+a*y+o*b,r[6]=s*g+a*x+o*M,r[1]=l*m+c*v+h*_,r[4]=l*f+c*y+h*b,r[7]=l*g+c*x+h*M,r[2]=u*m+d*v+p*_,r[5]=u*f+d*y+p*b,r[8]=u*g+d*x+p*M,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8];return e*s*c-e*a*l-n*r*c+n*a*o+i*r*l-i*s*o}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=c*s-a*l,u=a*o-c*r,d=l*r-s*o,p=e*h+n*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=h*m,t[1]=(i*l-c*n)*m,t[2]=(a*n-i*s)*m,t[3]=u*m,t[4]=(c*e-i*o)*m,t[5]=(i*r-a*e)*m,t[6]=d*m,t[7]=(n*o-l*e)*m,t[8]=(s*e-n*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){const n=this.elements;return n[0]*=t,n[3]*=t,n[6]*=t,n[1]*=e,n[4]*=e,n[7]*=e,this}rotate(t){const e=Math.cos(t),n=Math.sin(t),i=this.elements,r=i[0],s=i[3],a=i[6],o=i[1],l=i[4],c=i[7];return i[0]=e*r+n*o,i[3]=e*s+n*l,i[6]=e*a+n*c,i[1]=-n*r+e*o,i[4]=-n*s+e*l,i[7]=-n*a+e*c,this}translate(t,e){const 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}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}wt.prototype.isMatrix3=!0;let St=0;const Et=new G,Tt=new B,At=new ht,Lt=new G,Rt=new G,Pt=new G,Ct=new B,Dt=new G(1,0,0),Nt=new G(0,1,0),It=new G(0,0,1),Ot={type:"added"},zt={type:"removed"};function Ut(){Object.defineProperty(this,"id",{value:St++}),this.uuid=F.generateUUID(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Ut.DefaultUp.clone();const t=new G,e=new bt,n=new B,i=new G(1,1,1);e._onChange((function(){n.setFromEuler(e,!1)})),n._onChange((function(){e.setFromQuaternion(n,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new ht},normalMatrix:{value:new wt}}),this.matrix=new ht,this.matrixWorld=new ht,this.matrixAutoUpdate=Ut.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new Mt,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}Ut.DefaultUp=new G(0,1,0),Ut.DefaultMatrixAutoUpdate=!0,Ut.prototype=Object.assign(Object.create(yt.prototype),{constructor:Ut,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 Tt.setFromAxisAngle(t,e),this.quaternion.multiply(Tt),this},rotateOnWorldAxis:function(t,e){return Tt.setFromAxisAngle(t,e),this.quaternion.premultiply(Tt),this},rotateX:function(t){return this.rotateOnAxis(Dt,t)},rotateY:function(t){return this.rotateOnAxis(Nt,t)},rotateZ:function(t){return this.rotateOnAxis(It,t)},translateOnAxis:function(t,e){return Et.copy(t).applyQuaternion(this.quaternion),this.position.add(Et.multiplyScalar(e)),this},translateX:function(t){return this.translateOnAxis(Dt,t)},translateY:function(t){return this.translateOnAxis(Nt,t)},translateZ:function(t){return this.translateOnAxis(It,t)},localToWorld:function(t){return t.applyMatrix4(this.matrixWorld)},worldToLocal:function(t){return t.applyMatrix4(At.copy(this.matrixWorld).invert())},lookAt:function(t,e,n){t.isVector3?Lt.copy(t):Lt.set(t,e,n);const i=this.parent;this.updateWorldMatrix(!0,!1),Rt.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?At.lookAt(Rt,Lt,this.up):At.lookAt(Lt,Rt,this.up),this.quaternion.setFromRotationMatrix(At),i&&(At.extractRotation(i.matrixWorld),Tt.setFromRotationMatrix(At),this.quaternion.premultiply(Tt.invert()))},add:function(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(null!==t.parent&&t.parent.remove(t),t.parent=this,this.children.push(t),t.dispatchEvent(Ot)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)},remove:function(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(zt)),this},clear:function(){for(let t=0;t<this.children.length;t++){const e=this.children[t];e.parent=null,e.dispatchEvent(zt)}return this.children.length=0,this},attach:function(t){return this.updateWorldMatrix(!0,!1),At.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),At.multiply(t.parent.matrixWorld)),t.applyMatrix4(At),this.add(t),t.updateWorldMatrix(!1,!0),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(let n=0,i=this.children.length;n<i;n++){const 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 G),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 B),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Rt,t,Pt),t},getWorldScale:function(t){return void 0===t&&(console.warn("THREE.Object3D: .getWorldScale() target is now required"),t=new G),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Rt,Ct,t),t},getWorldDirection:function(t){void 0===t&&(console.warn("THREE.Object3D: .getWorldDirection() target is now required"),t=new G),this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()},raycast:function(){},traverse:function(t){t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverse(t)},traverseVisible:function(t){if(!1===this.visible)return;t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverseVisible(t)},traverseAncestors:function(t){const 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);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].updateMatrixWorld(t)},updateWorldMatrix:function(t,e){const 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){const t=this.children;for(let e=0,n=t.length;e<n;e++)t[e].updateWorldMatrix(!1,!0)}},toJSON:function(t){const e=void 0===t||"string"==typeof t,n={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});const i={};function r(e,n){return void 0===e[n.uuid]&&(e[n.uuid]=n.toJSON(t)),n.uuid}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),!0===this.castShadow&&(i.castShadow=!0),!0===this.receiveShadow&&(i.receiveShadow=!0),!1===this.visible&&(i.visible=!1),!1===this.frustumCulled&&(i.frustumCulled=!1),0!==this.renderOrder&&(i.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON()),this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e<i;e++){const i=n[e];r(t.shapes,i)}else r(t.shapes,n)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let n=0,i=this.material.length;n<i;n++)e.push(r(t.materials,this.material[n]));i.material=e}else i.material=r(t.materials,this.material);if(this.children.length>0){i.children=[];for(let e=0;e<this.children.length;e++)i.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){i.animations=[];for(let e=0;e<this.animations.length;e++){const n=this.animations[e];i.animations.push(r(t.animations,n))}}if(e){const e=s(t.geometries),i=s(t.materials),r=s(t.textures),a=s(t.images),o=s(t.shapes),l=s(t.skeletons),c=s(t.animations);e.length>0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}},clone:function(t){return(new this.constructor).copy(this,t)},copy:function(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.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(let e=0;e<t.children.length;e++){const n=t.children[e];this.add(n.clone())}return this}});class Ft extends Ut{constructor(){super(),this.type="Group"}}Ft.prototype.isGroup=!0;class Bt{constructor(t=new G(1/0,1/0,1/0),e=new G(-1/0,-1/0,-1/0)){this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){let e=1/0,n=1/0,i=1/0,r=-1/0,s=-1/0,a=-1/0;for(let o=0,l=t.length;o<l;o+=3){const l=t[o],c=t[o+1],h=t[o+2];l<e&&(e=l),c<n&&(n=c),h<i&&(i=h),l>r&&(r=l),c>s&&(s=c),h>a&&(a=h)}return this.min.set(e,n,i),this.max.set(r,s,a),this}setFromBufferAttribute(t){let e=1/0,n=1/0,i=1/0,r=-1/0,s=-1/0,a=-1/0;for(let o=0,l=t.count;o<l;o++){const l=t.getX(o),c=t.getY(o),h=t.getZ(o);l<e&&(e=l),c<n&&(n=c),h<i&&(i=h),l>r&&(r=l),c>s&&(s=c),h>a&&(a=h)}return this.min.set(e,n,i),this.max.set(r,s,a),this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=kt.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this}setFromObject(t){return this.makeEmpty(),this.expandByObject(t)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return void 0===t&&(console.warn("THREE.Box3: .getCenter() target is now required"),t=new G),this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return void 0===t&&(console.warn("THREE.Box3: .getSize() target is now required"),t=new G),this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t){t.updateWorldMatrix(!1,!1);const e=t.geometry;void 0!==e&&(null===e.boundingBox&&e.computeBoundingBox(),Ht.copy(e.boundingBox),Ht.applyMatrix4(t.matrixWorld),this.union(Ht));const n=t.children;for(let t=0,e=n.length;t<e;t++)this.expandByObject(n[t]);return this}containsPoint(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y||t.z<this.min.z||t.z>this.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return void 0===e&&(console.warn("THREE.Box3: .getParameter() target is now required"),e=new G),e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y||t.max.z<this.min.z||t.min.z>this.max.z)}intersectsSphere(t){return this.clampPoint(t.center,kt),kt.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Zt),Jt.subVectors(this.max,Zt),Vt.subVectors(t.a,Zt),Wt.subVectors(t.b,Zt),jt.subVectors(t.c,Zt),Xt.subVectors(Wt,Vt),qt.subVectors(jt,Wt),Yt.subVectors(Vt,jt);let e=[0,-Xt.z,Xt.y,0,-qt.z,qt.y,0,-Yt.z,Yt.y,Xt.z,0,-Xt.x,qt.z,0,-qt.x,Yt.z,0,-Yt.x,-Xt.y,Xt.x,0,-qt.y,qt.x,0,-Yt.y,Yt.x,0];return!!$t(e,Vt,Wt,jt,Jt)&&(e=[1,0,0,0,1,0,0,0,1],!!$t(e,Vt,Wt,jt,Jt)&&(Kt.crossVectors(Xt,qt),e=[Kt.x,Kt.y,Kt.z],$t(e,Vt,Wt,jt,Jt)))}clampPoint(t,e){return void 0===e&&(console.warn("THREE.Box3: .clampPoint() target is now required"),e=new G),e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return kt.copy(t).clamp(this.min,this.max).sub(t).length()}getBoundingSphere(t){return void 0===t&&console.error("THREE.Box3: .getBoundingSphere() target is now required"),this.getCenter(t.center),t.radius=.5*this.getSize(kt).length(),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Gt[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Gt[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Gt[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Gt[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Gt[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Gt[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Gt[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Gt[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Gt)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}Bt.prototype.isBox3=!0;const Gt=[new G,new G,new G,new G,new G,new G,new G,new G],kt=new G,Ht=new Bt,Vt=new G,Wt=new G,jt=new G,Xt=new G,qt=new G,Yt=new G,Zt=new G,Jt=new G,Kt=new G,Qt=new G;function $t(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){Qt.fromArray(t,s);const a=r.x*Math.abs(Qt.x)+r.y*Math.abs(Qt.y)+r.z*Math.abs(Qt.z),o=e.dot(Qt),l=n.dot(Qt),c=i.dot(Qt);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const te=new Bt;class ee{constructor(t=new G,e=-1){this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):te.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;e<r;e++)i=Math.max(i,n.distanceToSquared(t[e]));return this.radius=Math.sqrt(i),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const n=this.center.distanceToSquared(t);return void 0===e&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),e=new G),e.copy(t),n>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return void 0===t&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),t=new Bt),this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const ne=new G,ie=new G,re=new G,se=new G,ae=new G,oe=new G,le=new G;class ce{constructor(t=new G,e=new G(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return void 0===e&&(console.warn("THREE.Ray: .at() target is now required"),e=new G),e.copy(this.direction).multiplyScalar(t).add(this.origin)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,ne)),this}closestPointToPoint(t,e){void 0===e&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),e=new G),e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=ne.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(ne.copy(this.direction).multiplyScalar(e).add(this.origin),ne.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){ie.copy(t).add(e).multiplyScalar(.5),re.copy(e).sub(t).normalize(),se.copy(this.origin).sub(ie);const r=.5*t.distanceTo(e),s=-this.direction.dot(re),a=se.dot(this.direction),o=-se.dot(re),l=se.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.direction).multiplyScalar(h).add(this.origin),i&&i.copy(re).multiplyScalar(u).add(ie),d}intersectSphere(t,e){ne.subVectors(t.center,this.origin);const n=ne.dot(this.direction),i=ne.dot(ne)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return a<0&&o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),n>s||r>i?null:((r>n||n!=n)&&(n=r),(s<i||i!=i)&&(i=s),h>=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o<i||i!=i)&&(i=o),i<0?null:this.at(n>=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,ne)}intersectTriangle(t,e,n,i,r){ae.subVectors(e,t),oe.subVectors(n,t),le.crossVectors(ae,oe);let s,a=this.direction.dot(le);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}se.subVectors(this.origin,t);const o=s*this.direction.dot(oe.crossVectors(se,oe));if(o<0)return null;const l=s*this.direction.dot(ae.cross(se));if(l<0)return null;if(o+l>a)return null;const c=-s*se.dot(le);return c<0?null:this.at(c/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}const he=new G,ue=new G,de=new wt;class pe{constructor(t=new G(1,0,0),e=0){this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=he.subVectors(n,e).cross(ue.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return void 0===e&&(console.warn("THREE.Plane: .projectPoint() target is now required"),e=new G),e.copy(this.normal).multiplyScalar(-this.distanceToPoint(t)).add(t)}intersectLine(t,e){void 0===e&&(console.warn("THREE.Plane: .intersectLine() target is now required"),e=new G);const n=t.delta(he),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):void 0;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?void 0:e.copy(n).multiplyScalar(r).add(t.start)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return void 0===t&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),t=new G),t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||de.getNormalMatrix(t),i=this.coplanarPoint(he).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}pe.prototype.isPlane=!0;const me=new G,fe=new G,ge=new G,ve=new G,ye=new G,xe=new G,_e=new G,be=new G,Me=new G,we=new G;class Se{constructor(t=new G,e=new G,n=new G){this.a=t,this.b=e,this.c=n}static getNormal(t,e,n,i){void 0===i&&(console.warn("THREE.Triangle: .getNormal() target is now required"),i=new G),i.subVectors(n,e),me.subVectors(t,e),i.cross(me);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){me.subVectors(i,e),fe.subVectors(n,e),ge.subVectors(t,e);const s=me.dot(me),a=me.dot(fe),o=me.dot(ge),l=fe.dot(fe),c=fe.dot(ge),h=s*l-a*a;if(void 0===r&&(console.warn("THREE.Triangle: .getBarycoord() target is now required"),r=new G),0===h)return r.set(-2,-1,-1);const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return this.getBarycoord(t,e,n,i,ve),ve.x>=0&&ve.y>=0&&ve.x+ve.y<=1}static getUV(t,e,n,i,r,s,a,o){return this.getBarycoord(t,e,n,i,ve),o.set(0,0),o.addScaledVector(r,ve.x),o.addScaledVector(s,ve.y),o.addScaledVector(a,ve.z),o}static isFrontFacing(t,e,n,i){return me.subVectors(n,e),fe.subVectors(t,e),me.cross(fe).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return me.subVectors(this.c,this.b),fe.subVectors(this.a,this.b),.5*me.cross(fe).length()}getMidpoint(t){return void 0===t&&(console.warn("THREE.Triangle: .getMidpoint() target is now required"),t=new G),t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Se.getNormal(this.a,this.b,this.c,t)}getPlane(t){return void 0===t&&(console.warn("THREE.Triangle: .getPlane() target is now required"),t=new pe),t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Se.getBarycoord(t,this.a,this.b,this.c,e)}getUV(t,e,n,i,r){return Se.getUV(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return Se.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Se.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){void 0===e&&(console.warn("THREE.Triangle: .closestPointToPoint() target is now required"),e=new G);const n=this.a,i=this.b,r=this.c;let s,a;ye.subVectors(i,n),xe.subVectors(r,n),be.subVectors(t,n);const o=ye.dot(be),l=xe.dot(be);if(o<=0&&l<=0)return e.copy(n);Me.subVectors(t,i);const c=ye.dot(Me),h=xe.dot(Me);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(n).addScaledVector(ye,s);we.subVectors(t,r);const d=ye.dot(we),p=xe.dot(we);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(xe,a);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return _e.subVectors(r,i),a=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(_e,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(ye,s).addScaledVector(xe,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}let Ee=0;function Te(){Object.defineProperty(this,"id",{value:Ee++}),this.uuid=F.generateUUID(),this.name="",this.type="Material",this.fog=!0,this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=a,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=N,this.stencilZFail=N,this.stencilZPass=N,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}Te.prototype=Object.assign(Object.create(yt.prototype),{constructor:Te,isMaterial:!0,onBeforeCompile:function(){},customProgramCacheKey:function(){return this.onBeforeCompile.toString()},setValues:function(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn("THREE.Material: '"+e+"' parameter is undefined.");continue}if("shading"===e){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===n;continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn("THREE."+this.type+": '"+e+"' is not a property of this material.")}},toJSON:function(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),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,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.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.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),!0===this.flatShading&&(n.flatShading=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n},clone: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.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.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(Te.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}});class Ae extends Te{constructor(t){super(),this.type="MeshBasicMaterial",this.color=new J(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)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this}}function Le(t){if(0===t.length)return-1/0;let e=t[0];for(let n=1,i=t.length;n<i;++n)t[n]>e&&(e=t[n]);return e}Ae.prototype.isMeshBasicMaterial=!0;const Re={Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array};function Pe(t,e){return new Re[t](e)}let Ce=0;const De=new ht,Ne=new Ut,Ie=new G,Oe=new Bt,ze=new Bt,Ue=new G;function Fe(){Object.defineProperty(this,"id",{value:Ce++}),this.uuid=F.generateUUID(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}Fe.prototype=Object.assign(Object.create(yt.prototype),{constructor:Fe,isBufferGeometry:!0,getIndex:function(){return this.index},setIndex:function(t){return Array.isArray(t)?this.index=new(Le(t)>65535?at:rt)(t,1):this.index=t,this},getAttribute:function(t){return this.attributes[t]},setAttribute:function(t,e){return this.attributes[t]=e,this},deleteAttribute:function(t){return delete this.attributes[t],this},hasAttribute:function(t){return void 0!==this.attributes[t]},addGroup:function(t,e,n=0){this.groups.push({start:t,count:e,materialIndex:n})},clearGroups:function(){this.groups=[]},setDrawRange:function(t,e){this.drawRange.start=t,this.drawRange.count=e},applyMatrix4:function(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const e=(new wt).getNormalMatrix(t);n.applyNormalMatrix(e),n.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(t){return De.makeRotationX(t),this.applyMatrix4(De),this},rotateY:function(t){return De.makeRotationY(t),this.applyMatrix4(De),this},rotateZ:function(t){return De.makeRotationZ(t),this.applyMatrix4(De),this},translate:function(t,e,n){return De.makeTranslation(t,e,n),this.applyMatrix4(De),this},scale:function(t,e,n){return De.makeScale(t,e,n),this.applyMatrix4(De),this},lookAt:function(t){return Ne.lookAt(t),Ne.updateMatrix(),this.applyMatrix4(Ne.matrix),this},center:function(){return this.computeBoundingBox(),this.boundingBox.getCenter(Ie).negate(),this.translate(Ie.x,Ie.y,Ie.z),this},setFromPoints:function(t){const e=[];for(let n=0,i=t.length;n<i;n++){const i=t[n];e.push(i.x,i.y,i.z||0)}return this.setAttribute("position",new lt(e,3)),this},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new Bt);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new G(-1/0,-1/0,-1/0),new G(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];Oe.setFromBufferAttribute(n),this.morphTargetsRelative?(Ue.addVectors(this.boundingBox.min,Oe.min),this.boundingBox.expandByPoint(Ue),Ue.addVectors(this.boundingBox.max,Oe.max),this.boundingBox.expandByPoint(Ue)):(this.boundingBox.expandByPoint(Oe.min),this.boundingBox.expandByPoint(Oe.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new ee);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new G,1/0);if(t){const n=this.boundingSphere.center;if(Oe.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];ze.setFromBufferAttribute(n),this.morphTargetsRelative?(Ue.addVectors(Oe.min,ze.min),Oe.expandByPoint(Ue),Ue.addVectors(Oe.max,ze.max),Oe.expandByPoint(Ue)):(Oe.expandByPoint(ze.min),Oe.expandByPoint(ze.max))}Oe.getCenter(n);let i=0;for(let e=0,r=t.count;e<r;e++)Ue.fromBufferAttribute(t,e),i=Math.max(i,n.distanceToSquared(Ue));if(e)for(let r=0,s=e.length;r<s;r++){const s=e[r],a=this.morphTargetsRelative;for(let e=0,r=s.count;e<r;e++)Ue.fromBufferAttribute(s,e),a&&(Ie.fromBufferAttribute(t,e),Ue.add(Ie)),i=Math.max(i,n.distanceToSquared(Ue))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}},computeFaceNormals:function(){},computeTangents:function(){const t=this.index,e=this.attributes;if(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=t.array,i=e.position.array,r=e.normal.array,s=e.uv.array,a=i.length/3;void 0===e.tangent&&this.setAttribute("tangent",new $(new Float32Array(4*a),4));const o=e.tangent.array,l=[],c=[];for(let t=0;t<a;t++)l[t]=new G,c[t]=new G;const h=new G,u=new G,d=new G,p=new V,m=new V,f=new V,g=new G,v=new G;function y(t,e,n){h.fromArray(i,3*t),u.fromArray(i,3*e),d.fromArray(i,3*n),p.fromArray(s,2*t),m.fromArray(s,2*e),f.fromArray(s,2*n),u.sub(h),d.sub(h),m.sub(p),f.sub(p);const r=1/(m.x*f.y-f.x*m.y);isFinite(r)&&(g.copy(u).multiplyScalar(f.y).addScaledVector(d,-m.y).multiplyScalar(r),v.copy(d).multiplyScalar(m.x).addScaledVector(u,-f.x).multiplyScalar(r),l[t].add(g),l[e].add(g),l[n].add(g),c[t].add(v),c[e].add(v),c[n].add(v))}let x=this.groups;0===x.length&&(x=[{start:0,count:n.length}]);for(let t=0,e=x.length;t<e;++t){const e=x[t],i=e.start;for(let t=i,r=i+e.count;t<r;t+=3)y(n[t+0],n[t+1],n[t+2])}const _=new G,b=new G,M=new G,w=new G;function S(t){M.fromArray(r,3*t),w.copy(M);const e=l[t];_.copy(e),_.sub(M.multiplyScalar(M.dot(e))).normalize(),b.crossVectors(w,e);const n=b.dot(c[t])<0?-1:1;o[4*t]=_.x,o[4*t+1]=_.y,o[4*t+2]=_.z,o[4*t+3]=n}for(let t=0,e=x.length;t<e;++t){const e=x[t],i=e.start;for(let t=i,r=i+e.count;t<r;t+=3)S(n[t+0]),S(n[t+1]),S(n[t+2])}},computeVertexNormals:function(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let n=this.getAttribute("normal");if(void 0===n)n=new $(new Float32Array(3*e.count),3),this.setAttribute("normal",n);else for(let t=0,e=n.count;t<e;t++)n.setXYZ(t,0,0,0);const i=new G,r=new G,s=new G,a=new G,o=new G,l=new G,c=new G,h=new G;if(t)for(let u=0,d=t.count;u<d;u+=3){const d=t.getX(u+0),p=t.getX(u+1),m=t.getX(u+2);i.fromBufferAttribute(e,d),r.fromBufferAttribute(e,p),s.fromBufferAttribute(e,m),c.subVectors(s,r),h.subVectors(i,r),c.cross(h),a.fromBufferAttribute(n,d),o.fromBufferAttribute(n,p),l.fromBufferAttribute(n,m),a.add(c),o.add(c),l.add(c),n.setXYZ(d,a.x,a.y,a.z),n.setXYZ(p,o.x,o.y,o.z),n.setXYZ(m,l.x,l.y,l.z)}else for(let t=0,a=e.count;t<a;t+=3)i.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),s.fromBufferAttribute(e,t+2),c.subVectors(s,r),h.subVectors(i,r),c.cross(h),n.setXYZ(t+0,c.x,c.y,c.z),n.setXYZ(t+1,c.x,c.y,c.z),n.setXYZ(t+2,c.x,c.y,c.z);this.normalizeNormals(),n.needsUpdate=!0}},merge:function(t,e){if(!t||!t.isBufferGeometry)return void console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",t);void 0===e&&(e=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));const n=this.attributes;for(const i in n){if(void 0===t.attributes[i])continue;const r=n[i].array,s=t.attributes[i],a=s.array,o=s.itemSize*e,l=Math.min(a.length,r.length-o);for(let t=0,e=o;t<l;t++,e++)r[e]=a[t]}return this},normalizeNormals:function(){const t=this.attributes.normal;for(let e=0,n=t.count;e<n;e++)Ue.fromBufferAttribute(t,e),Ue.normalize(),t.setXYZ(e,Ue.x,Ue.y,Ue.z)},toNonIndexed:function(){function t(t,e){const n=t.array,i=t.itemSize,r=t.normalized,s=new n.constructor(e.length*i);let a=0,o=0;for(let t=0,r=e.length;t<r;t++){a=e[t]*i;for(let t=0;t<i;t++)s[o++]=n[a++]}return new $(s,i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new Fe,n=this.index.array,i=this.attributes;for(const r in i){const s=t(i[r],n);e.setAttribute(r,s)}const r=this.morphAttributes;for(const i in r){const s=[],a=r[i];for(let e=0,i=a.length;e<i;e++){const i=t(a[e],n);s.push(i)}e.morphAttributes[i]=s}e.morphTargetsRelative=this.morphTargetsRelative;const s=this.groups;for(let t=0,n=s.length;t<n;t++){const n=s[t];e.addGroup(n.start,n.count,n.materialIndex)}return e},toJSON:function(){const t={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e],r=i.toJSON(t.data);""!==i.name&&(r.name=i.name),t.data.attributes[e]=r}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e<i;e++){const i=n[e],r=i.toJSON(t.data);""!==i.name&&(r.name=i.name),s.push(r)}s.length>0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t},clone:function(){return(new Fe).copy(this)},copy:function(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t<r;t++)n.push(i[t].clone(e));this.morphAttributes[t]=n}this.morphTargetsRelative=t.morphTargetsRelative;const s=t.groups;for(let t=0,e=s.length;t<e;t++){const e=s[t];this.addGroup(e.start,e.count,e.materialIndex)}const a=t.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=t.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this},dispose:function(){this.dispatchEvent({type:"dispose"})}});const Be=new ht,Ge=new ce,ke=new ee,He=new G,Ve=new G,We=new G,je=new G,Xe=new G,qe=new G,Ye=new G,Ze=new G,Je=new G,Ke=new V,Qe=new V,$e=new V,tn=new G,en=new G;function nn(t=new Fe,e=new Ae){Ut.call(this),this.type="Mesh",this.geometry=t,this.material=e,this.updateMorphTargets()}function rn(t,e,n,i,r,s,a,o,l,c,h,u){He.fromBufferAttribute(r,c),Ve.fromBufferAttribute(r,h),We.fromBufferAttribute(r,u);const d=t.morphTargetInfluences;if(e.morphTargets&&s&&d){Ye.set(0,0,0),Ze.set(0,0,0),Je.set(0,0,0);for(let t=0,e=s.length;t<e;t++){const e=d[t],n=s[t];0!==e&&(je.fromBufferAttribute(n,c),Xe.fromBufferAttribute(n,h),qe.fromBufferAttribute(n,u),a?(Ye.addScaledVector(je,e),Ze.addScaledVector(Xe,e),Je.addScaledVector(qe,e)):(Ye.addScaledVector(je.sub(He),e),Ze.addScaledVector(Xe.sub(Ve),e),Je.addScaledVector(qe.sub(We),e)))}He.add(Ye),Ve.add(Ze),We.add(Je)}t.isSkinnedMesh&&e.skinning&&(t.boneTransform(c,He),t.boneTransform(h,Ve),t.boneTransform(u,We));const p=function(t,e,n,i,r,s,a,o){let l;if(l=1===e.side?i.intersectTriangle(a,s,r,!0,o):i.intersectTriangle(r,s,a,2!==e.side,o),null===l)return null;en.copy(o),en.applyMatrix4(t.matrixWorld);const c=n.ray.origin.distanceTo(en);return c<n.near||c>n.far?null:{distance:c,point:en.clone(),object:t}}(t,e,n,i,He,Ve,We,tn);if(p){o&&(Ke.fromBufferAttribute(o,c),Qe.fromBufferAttribute(o,h),$e.fromBufferAttribute(o,u),p.uv=Se.getUV(tn,He,Ve,We,Ke,Qe,$e,new V)),l&&(Ke.fromBufferAttribute(l,c),Qe.fromBufferAttribute(l,h),$e.fromBufferAttribute(l,u),p.uv2=Se.getUV(tn,He,Ve,We,Ke,Qe,$e,new V));const t={a:c,b:h,c:u,normal:new G,materialIndex:0};Se.getNormal(He,Ve,We,t.normal),p.face=t}return p}nn.prototype=Object.assign(Object.create(Ut.prototype),{constructor:nn,isMesh:!0,copy:function(t){return Ut.prototype.copy.call(this,t),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=t.material,this.geometry=t.geometry,this},updateMorphTargets:function(){const t=this.geometry;if(t.isBufferGeometry){const e=t.morphAttributes,n=Object.keys(e);if(n.length>0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e<n;e++){const n=t[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=e}}}}else{const e=t.morphTargets;void 0!==e&&e.length>0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}},raycast:function(t,e){const n=this.geometry,i=this.material,r=this.matrixWorld;if(void 0===i)return;if(null===n.boundingSphere&&n.computeBoundingSphere(),ke.copy(n.boundingSphere),ke.applyMatrix4(r),!1===t.ray.intersectsSphere(ke))return;if(Be.copy(r).invert(),Ge.copy(t.ray).applyMatrix4(Be),null!==n.boundingBox&&!1===Ge.intersectsBox(n.boundingBox))return;let s;if(n.isBufferGeometry){const r=n.index,a=n.attributes.position,o=n.morphAttributes.position,l=n.morphTargetsRelative,c=n.attributes.uv,h=n.attributes.uv2,u=n.groups,d=n.drawRange;if(null!==r)if(Array.isArray(i))for(let n=0,p=u.length;n<p;n++){const p=u[n],m=i[p.materialIndex];for(let n=Math.max(p.start,d.start),i=Math.min(p.start+p.count,d.start+d.count);n<i;n+=3){const i=r.getX(n),u=r.getX(n+1),d=r.getX(n+2);s=rn(this,m,t,Ge,a,o,l,c,h,i,u,d),s&&(s.faceIndex=Math.floor(n/3),s.face.materialIndex=p.materialIndex,e.push(s))}}else{for(let n=Math.max(0,d.start),u=Math.min(r.count,d.start+d.count);n<u;n+=3){const u=r.getX(n),d=r.getX(n+1),p=r.getX(n+2);s=rn(this,i,t,Ge,a,o,l,c,h,u,d,p),s&&(s.faceIndex=Math.floor(n/3),e.push(s))}}else if(void 0!==a)if(Array.isArray(i))for(let n=0,r=u.length;n<r;n++){const r=u[n],p=i[r.materialIndex];for(let n=Math.max(r.start,d.start),i=Math.min(r.start+r.count,d.start+d.count);n<i;n+=3){s=rn(this,p,t,Ge,a,o,l,c,h,n,n+1,n+2),s&&(s.faceIndex=Math.floor(n/3),s.face.materialIndex=r.materialIndex,e.push(s))}}else{for(let n=Math.max(0,d.start),r=Math.min(a.count,d.start+d.count);n<r;n+=3){s=rn(this,i,t,Ge,a,o,l,c,h,n,n+1,n+2),s&&(s.faceIndex=Math.floor(n/3),e.push(s))}}}else n.isGeometry&&console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}});const sn=new ht,an=new ht,on=[],ln=new nn;function cn(t,e,n){nn.call(this,t,e),this.instanceMatrix=new $(new Float32Array(16*n),16),this.instanceColor=null,this.count=n,this.frustumCulled=!1}function hn(t,e){this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=35044,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=F.generateUUID()}cn.prototype=Object.assign(Object.create(nn.prototype),{constructor:cn,isInstancedMesh:!0,copy:function(t){return nn.prototype.copy.call(this,t),this.instanceMatrix.copy(t.instanceMatrix),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,this},getColorAt:function(t,e){e.fromArray(this.instanceColor.array,3*t)},getMatrixAt:function(t,e){e.fromArray(this.instanceMatrix.array,16*t)},raycast:function(t,e){const n=this.matrixWorld,i=this.count;if(ln.geometry=this.geometry,ln.material=this.material,void 0!==ln.material)for(let r=0;r<i;r++){this.getMatrixAt(r,sn),an.multiplyMatrices(n,sn),ln.matrixWorld=an,ln.raycast(t,on);for(let t=0,n=on.length;t<n;t++){const n=on[t];n.instanceId=r,n.object=this,e.push(n)}on.length=0}},setColorAt:function(t,e){null===this.instanceColor&&(this.instanceColor=new $(new Float32Array(3*this.count),3)),e.toArray(this.instanceColor.array,3*t)},setMatrixAt:function(t,e){e.toArray(this.instanceMatrix.array,16*t)},updateMorphTargets:function(){},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Object.defineProperty(hn.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}}),Object.assign(hn.prototype,{isInterleavedBuffer:!0,onUploadCallback:function(){},setUsage:function(t){return this.usage=t,this},copy:function(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this},copyAt:function(t,e,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;i<r;i++)this.array[t+i]=e.array[n+i];return this},set:function(t,e=0){return this.array.set(t,e),this},clone:function(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=F.generateUUID()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const e=new hn(new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),this.stride);return e.setUsage(this.usage),e},onUpload:function(t){return this.onUploadCallback=t,this},toJSON:function(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=F.generateUUID()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.prototype.slice.call(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}});const un=new G;function dn(t,e,n,i){this.name="",this.data=t,this.itemSize=e,this.offset=n,this.normalized=!0===i}Object.defineProperties(dn.prototype,{count:{get:function(){return this.data.count}},array:{get:function(){return this.data.array}},needsUpdate:{set:function(t){this.data.needsUpdate=t}}}),Object.assign(dn.prototype,{isInterleavedBufferAttribute:!0,applyMatrix4:function(t){for(let e=0,n=this.data.count;e<n;e++)un.x=this.getX(e),un.y=this.getY(e),un.z=this.getZ(e),un.applyMatrix4(t),this.setXYZ(e,un.x,un.y,un.z);return this},setX:function(t,e){return this.data.array[t*this.data.stride+this.offset]=e,this},setY:function(t,e){return this.data.array[t*this.data.stride+this.offset+1]=e,this},setZ:function(t,e){return this.data.array[t*this.data.stride+this.offset+2]=e,this},setW:function(t,e){return this.data.array[t*this.data.stride+this.offset+3]=e,this},getX:function(t){return this.data.array[t*this.data.stride+this.offset]},getY:function(t){return this.data.array[t*this.data.stride+this.offset+1]},getZ:function(t){return this.data.array[t*this.data.stride+this.offset+2]},getW:function(t){return this.data.array[t*this.data.stride+this.offset+3]},setXY:function(t,e,n){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this},setXYZ:function(t,e,n,i){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this},setXYZW:function(t,e,n,i,r){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this.data.array[t+3]=r,this},clone:function(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const n=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[n+e])}return new $(new this.array.constructor(t),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new dn(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)},toJSON:function(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const n=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[n+e])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}});class pn extends Te{constructor(t){super(),this.type="SpriteMaterial",this.color=new J(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this}}let mn;pn.prototype.isSpriteMaterial=!0;const fn=new G,gn=new G,vn=new G,yn=new V,xn=new V,_n=new ht,bn=new G,Mn=new G,wn=new G,Sn=new V,En=new V,Tn=new V;class An extends Ut{constructor(t){if(super(),this.type="Sprite",void 0===mn){mn=new Fe;const t=new hn(new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),5);mn.setIndex([0,1,2,0,2,3]),mn.setAttribute("position",new dn(t,3,0,!1)),mn.setAttribute("uv",new dn(t,2,3,!1))}this.geometry=mn,this.material=void 0!==t?t:new pn,this.center=new V(.5,.5)}raycast(t,e){null===t.camera&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),gn.setFromMatrixScale(this.matrixWorld),_n.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),vn.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&gn.multiplyScalar(-vn.z);const n=this.material.rotation;let i,r;0!==n&&(r=Math.cos(n),i=Math.sin(n));const s=this.center;Ln(bn.set(-.5,-.5,0),vn,s,gn,i,r),Ln(Mn.set(.5,-.5,0),vn,s,gn,i,r),Ln(wn.set(.5,.5,0),vn,s,gn,i,r),Sn.set(0,0),En.set(1,0),Tn.set(1,1);let a=t.ray.intersectTriangle(bn,Mn,wn,!1,fn);if(null===a&&(Ln(Mn.set(-.5,.5,0),vn,s,gn,i,r),En.set(0,1),a=t.ray.intersectTriangle(bn,wn,Mn,!1,fn),null===a))return;const o=t.ray.origin.distanceTo(fn);o<t.near||o>t.far||e.push({distance:o,point:fn.clone(),uv:Se.getUV(fn,bn,Mn,wn,Sn,En,Tn,new V),face:null,object:this})}copy(t){return super.copy(t),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function Ln(t,e,n,i,r,s){yn.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(xn.x=s*yn.x-r*yn.y,xn.y=r*yn.x+s*yn.y):xn.copy(yn),t.copy(e),t.x+=xn.x,t.y+=xn.y,t.applyMatrix4(_n)}An.prototype.isSprite=!0;class Rn extends Te{constructor(t){super(),this.type="PointsMaterial",this.color=new J(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.morphTargets=!1,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this.morphTargets=t.morphTargets,this}}Rn.prototype.isPointsMaterial=!0;const Pn=new ht,Cn=new ce,Dn=new ee,Nn=new G;function In(t=new Fe,e=new Rn){Ut.call(this),this.type="Points",this.geometry=t,this.material=e,this.updateMorphTargets()}function On(t,e,n,i,r,s,a){const o=Cn.distanceSqToPoint(t);if(o<n){const n=new G;Cn.closestPointToPoint(t,n),n.applyMatrix4(i);const l=r.ray.origin.distanceTo(n);if(l<r.near||l>r.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}In.prototype=Object.assign(Object.create(Ut.prototype),{constructor:In,isPoints:!0,copy:function(t){return Ut.prototype.copy.call(this,t),this.material=t.material,this.geometry=t.geometry,this},raycast:function(t,e){const n=this.geometry,i=this.matrixWorld,r=t.params.Points.threshold;if(null===n.boundingSphere&&n.computeBoundingSphere(),Dn.copy(n.boundingSphere),Dn.applyMatrix4(i),Dn.radius+=r,!1===t.ray.intersectsSphere(Dn))return;Pn.copy(i).invert(),Cn.copy(t.ray).applyMatrix4(Pn);const s=r/((this.scale.x+this.scale.y+this.scale.z)/3),a=s*s;if(n.isBufferGeometry){const r=n.index,s=n.attributes.position;if(null!==r){const n=r.array;for(let r=0,o=n.length;r<o;r++){const o=n[r];Nn.fromBufferAttribute(s,o),On(Nn,o,a,i,t,e,this)}}else for(let n=0,r=s.count;n<r;n++)Nn.fromBufferAttribute(s,n),On(Nn,n,a,i,t,e,this)}else console.error("THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")},updateMorphTargets:function(){const t=this.geometry;if(t.isBufferGeometry){const e=t.morphAttributes,n=Object.keys(e);if(n.length>0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e<n;e++){const n=t[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=e}}}}else{const e=t.morphTargets;void 0!==e&&e.length>0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}});class zn extends Te{constructor(t){super(),this.type="LineBasicMaterial",this.color=new J(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.morphTargets=!1,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.morphTargets=t.morphTargets,this}}zn.prototype.isLineBasicMaterial=!0;const Un=new G,Fn=new G,Bn=new ht,Gn=new ce,kn=new ee;function Hn(t=new Fe,e=new zn){Ut.call(this),this.type="Line",this.geometry=t,this.material=e,this.updateMorphTargets()}Hn.prototype=Object.assign(Object.create(Ut.prototype),{constructor:Hn,isLine:!0,copy:function(t){return Ut.prototype.copy.call(this,t),this.material=t.material,this.geometry=t.geometry,this},computeLineDistances:function(){const t=this.geometry;if(t.isBufferGeometry)if(null===t.index){const e=t.attributes.position,n=[0];for(let t=1,i=e.count;t<i;t++)Un.fromBufferAttribute(e,t-1),Fn.fromBufferAttribute(e,t),n[t]=n[t-1],n[t]+=Un.distanceTo(Fn);t.setAttribute("lineDistance",new lt(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else t.isGeometry&&console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this},raycast:function(t,e){const n=this.geometry,i=this.matrixWorld,r=t.params.Line.threshold;if(null===n.boundingSphere&&n.computeBoundingSphere(),kn.copy(n.boundingSphere),kn.applyMatrix4(i),kn.radius+=r,!1===t.ray.intersectsSphere(kn))return;Bn.copy(i).invert(),Gn.copy(t.ray).applyMatrix4(Bn);const s=r/((this.scale.x+this.scale.y+this.scale.z)/3),a=s*s,o=new G,l=new G,c=new G,h=new G,u=this.isLineSegments?2:1;if(n.isBufferGeometry){const i=n.index,r=n.attributes.position;if(null!==i){const n=i.array;for(let i=0,s=n.length-1;i<s;i+=u){const s=n[i],u=n[i+1];o.fromBufferAttribute(r,s),l.fromBufferAttribute(r,u);if(Gn.distanceSqToSegment(o,l,h,c)>a)continue;h.applyMatrix4(this.matrixWorld);const d=t.ray.origin.distanceTo(h);d<t.near||d>t.far||e.push({distance:d,point:c.clone().applyMatrix4(this.matrixWorld),index:i,face:null,faceIndex:null,object:this})}}else for(let n=0,i=r.count-1;n<i;n+=u){o.fromBufferAttribute(r,n),l.fromBufferAttribute(r,n+1);if(Gn.distanceSqToSegment(o,l,h,c)>a)continue;h.applyMatrix4(this.matrixWorld);const i=t.ray.origin.distanceTo(h);i<t.near||i>t.far||e.push({distance:i,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")},updateMorphTargets:function(){const t=this.geometry;if(t.isBufferGeometry){const e=t.morphAttributes,n=Object.keys(e);if(n.length>0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e<n;e++){const n=t[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=e}}}}else{const e=t.morphTargets;void 0!==e&&e.length>0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}});class Vn extends Hn{constructor(t,e){super(t,e),this.type="LineLoop"}}Vn.prototype.isLineLoop=!0;const Wn=new G,jn=new G;function Xn(t,e){Hn.call(this,t,e),this.type="LineSegments"}Xn.prototype=Object.assign(Object.create(Hn.prototype),{constructor:Xn,isLineSegments:!0,computeLineDistances:function(){const t=this.geometry;if(t.isBufferGeometry)if(null===t.index){const e=t.attributes.position,n=[];for(let t=0,i=e.count;t<i;t+=2)Wn.fromBufferAttribute(e,t),jn.fromBufferAttribute(e,t+1),n[t]=0===t?0:n[t-1],n[t+1]=n[t]+Wn.distanceTo(jn);t.setAttribute("lineDistance",new lt(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else t.isGeometry&&console.error("THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}});const qn=new G,Yn=new G;class Zn extends Ut{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,n=e.length;t<n;t++){const n=e[t];this.addLevel(n.object.clone(),n.distance)}return this.autoUpdate=t.autoUpdate,this}addLevel(t,e=0){e=Math.abs(e);const n=this.levels;let i;for(i=0;i<n.length&&!(e<n[i].distance);i++);return n.splice(i,0,{distance:e,object:t}),this.add(t),this}getCurrentLevel(){return this._currentLevel}getObjectForDistance(t){const e=this.levels;if(e.length>0){let n,i;for(n=1,i=e.length;n<i&&!(t<e[n].distance);n++);return e[n-1].object}return null}raycast(t,e){if(this.levels.length>0){qn.setFromMatrixPosition(this.matrixWorld);const n=t.ray.origin.distanceTo(qn);this.getObjectForDistance(n).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){qn.setFromMatrixPosition(t.matrixWorld),Yn.setFromMatrixPosition(this.matrixWorld);const n=qn.distanceTo(Yn)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i<r&&n>=e[i].distance;i++)e[i-1].object.visible=!1,e[i].object.visible=!0;for(this._currentLevel=i-1;i<r;i++)e[i].object.visible=!1}}toJSON(t){const e=super.toJSON(t);!1===this.autoUpdate&&(e.object.autoUpdate=!1),e.object.levels=[];const n=this.levels;for(let t=0,i=n.length;t<i;t++){const i=n[t];e.object.levels.push({object:i.object.uuid,distance:i.distance})}return e}}const Jn=new G,Kn=new O,Qn=new O,$n=new G,ti=new ht;function ei(t,e){nn.call(this,t,e),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new ht,this.bindMatrixInverse=new ht}function ni(){Ut.call(this),this.type="Bone"}ei.prototype=Object.assign(Object.create(nn.prototype),{constructor:ei,isSkinnedMesh:!0,copy:function(t){return nn.prototype.copy.call(this,t),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,this},bind:function(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()},pose:function(){this.skeleton.pose()},normalizeSkinWeights:function(){const t=new O,e=this.geometry.attributes.skinWeight;for(let n=0,i=e.count;n<i;n++){t.x=e.getX(n),t.y=e.getY(n),t.z=e.getZ(n),t.w=e.getW(n);const i=1/t.manhattanLength();i!==1/0?t.multiplyScalar(i):t.set(1,0,0,0),e.setXYZW(n,t.x,t.y,t.z,t.w)}},updateMatrixWorld:function(t){nn.prototype.updateMatrixWorld.call(this,t),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)},boneTransform:function(t,e){const n=this.skeleton,i=this.geometry;Kn.fromBufferAttribute(i.attributes.skinIndex,t),Qn.fromBufferAttribute(i.attributes.skinWeight,t),Jn.fromBufferAttribute(i.attributes.position,t).applyMatrix4(this.bindMatrix),e.set(0,0,0);for(let t=0;t<4;t++){const i=Qn.getComponent(t);if(0!==i){const r=Kn.getComponent(t);ti.multiplyMatrices(n.bones[r].matrixWorld,n.boneInverses[r]),e.addScaledVector($n.copy(Jn).applyMatrix4(ti),i)}}return e.applyMatrix4(this.bindMatrixInverse)}}),ni.prototype=Object.assign(Object.create(Ut.prototype),{constructor:ni,isBone:!0});const ii=new ht,ri=new ht;class si{constructor(t=[],e=[]){this.uuid=F.generateUUID(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new ht)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new ht;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWorld.copy(this.boneInverses[t]).invert()}for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const t=this.bones,e=this.boneInverses,n=this.boneMatrices,i=this.boneTexture;for(let i=0,r=t.length;i<r;i++){const r=t[i]?t[i].matrixWorld:ri;ii.multiplyMatrices(r,e[i]),ii.toArray(n,16*i)}null!==i&&(i.needsUpdate=!0)}clone(){return new si(this.bones,this.boneInverses)}getBoneByName(t){for(let e=0,n=this.bones.length;e<n;e++){const n=this.bones[e];if(n.name===t)return n}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let n=0,i=t.bones.length;n<i;n++){const i=t.bones[n];let r=e[i];void 0===r&&(console.warn("THREE.Skeleton: No bone found with UUID:",i),r=new ni),this.bones.push(r),this.boneInverses.push((new ht).fromArray(t.boneInverses[n]))}return this.init(),this}toJSON(){const t={metadata:{version:4.5,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,n=this.boneInverses;for(let i=0,r=e.length;i<r;i++){const r=e[i];t.bones.push(r.uuid);const s=n[i];t.boneInverses.push(s.toArray())}return t}}function ai(){this.type="Curve",this.arcLengthDivisions=200}Object.assign(ai.prototype,{getPoint:function(){return console.warn("THREE.Curve: .getPoint() not implemented."),null},getPointAt:function(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)},getPoints:function(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e},getSpacedPoints:function(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e},getLength:function(){const t=this.getLengths();return t[t.length-1]},getLengths:function(t){if(void 0===t&&(t=this.arcLengthDivisions),this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e},updateArcLengths:function(){this.needsUpdate=!0,this.getLengths()},getUtoTmapping:function(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const c=n[i];return(i+(s-c)/(n[i+1]-c))/(r-1)},getTangent:function(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new V:new G);return o.copy(a).sub(s).normalize(),o},getTangentAt:function(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)},computeFrenetFrames:function(t,e){const n=new G,i=[],r=[],s=[],a=new G,o=new ht;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new G),i[e].normalize()}r[0]=new G,s[0]=new G;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),h=Math.abs(i[0].y),u=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),h<=l&&(l=h,n.set(0,1,0)),u<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(F.clamp(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(F.clamp(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.arcLengthDivisions=t.arcLengthDivisions,this},toJSON:function(){const t={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t},fromJSON:function(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}});class oi extends ai{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e){const n=e||new V,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(r=s?0:i),!0!==this.aClockwise||s||(r===i?r=-i:r-=i);const a=this.aStartAngle+t*r;let o=this.aX+this.xRadius*Math.cos(a),l=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),n=o-this.aX,i=l-this.aY;o=n*t-i*e+this.aX,l=n*e+i*t+this.aY}return n.set(o,l)}copy(t){return super.copy(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}toJSON(){const t=super.toJSON();return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t}fromJSON(t){return super.fromJSON(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}}oi.prototype.isEllipseCurve=!0;class li extends oi{constructor(t,e,n,i,r,s){super(t,e,n,n,i,r,s),this.type="ArcCurve"}}function ci(){let t=0,e=0,n=0,i=0;function r(r,s,a,o){t=r,e=a,n=-3*r+3*s-2*a-o,i=2*r-2*s+a+o}return{initCatmullRom:function(t,e,n,i,s){r(e,n,s*(n-t),s*(i-e))},initNonuniformCatmullRom:function(t,e,n,i,s,a,o){let l=(e-t)/s-(n-t)/(s+a)+(n-e)/a,c=(n-e)/a-(i-e)/(a+o)+(i-n)/o;l*=a,c*=a,r(e,n,l,c)},calc:function(r){const s=r*r;return t+e*r+n*s+i*(s*r)}}}li.prototype.isArcCurve=!0;const hi=new G,ui=new ci,di=new ci,pi=new ci;class mi extends ai{constructor(t=[],e=!1,n="centripetal",i=.5){super(),this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=n,this.tension=i}getPoint(t,e=new G){const n=e,i=this.points,r=i.length,s=(r-(this.closed?0:1))*t;let a,o,l=Math.floor(s),c=s-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?a=i[(l-1)%r]:(hi.subVectors(i[0],i[1]).add(i[0]),a=hi);const h=i[l%r],u=i[(l+1)%r];if(this.closed||l+2<r?o=i[(l+2)%r]:(hi.subVectors(i[r-1],i[r-2]).add(i[r-1]),o=hi),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(a.distanceToSquared(h),t),n=Math.pow(h.distanceToSquared(u),t),i=Math.pow(u.distanceToSquared(o),t);n<1e-4&&(n=1),e<1e-4&&(e=n),i<1e-4&&(i=n),ui.initNonuniformCatmullRom(a.x,h.x,u.x,o.x,e,n,i),di.initNonuniformCatmullRom(a.y,h.y,u.y,o.y,e,n,i),pi.initNonuniformCatmullRom(a.z,h.z,u.z,o.z,e,n,i)}else"catmullrom"===this.curveType&&(ui.initCatmullRom(a.x,h.x,u.x,o.x,this.tension),di.initCatmullRom(a.y,h.y,u.y,o.y,this.tension),pi.initCatmullRom(a.z,h.z,u.z,o.z,this.tension));return n.set(ui.calc(c),di.calc(c),pi.calc(c)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new G).fromArray(n))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}}function fi(t,e,n,i,r){const s=.5*(i-e),a=.5*(r-n),o=t*t;return(2*n-2*i+s+a)*(t*o)+(-3*n+3*i-2*s-a)*o+s*t+n}function gi(t,e,n,i){return function(t,e){const n=1-t;return n*n*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,n)+function(t,e){return t*t*e}(t,i)}function vi(t,e,n,i,r){return function(t,e){const n=1-t;return n*n*n*e}(t,e)+function(t,e){const n=1-t;return 3*n*n*t*e}(t,n)+function(t,e){return 3*(1-t)*t*t*e}(t,i)+function(t,e){return t*t*t*e}(t,r)}mi.prototype.isCatmullRomCurve3=!0;class yi extends ai{constructor(t=new V,e=new V,n=new V,i=new V){super(),this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new V){const n=e,i=this.v0,r=this.v1,s=this.v2,a=this.v3;return n.set(vi(t,i.x,r.x,s.x,a.x),vi(t,i.y,r.y,s.y,a.y)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}yi.prototype.isCubicBezierCurve=!0;class xi extends ai{constructor(t=new G,e=new G,n=new G,i=new G){super(),this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new G){const n=e,i=this.v0,r=this.v1,s=this.v2,a=this.v3;return n.set(vi(t,i.x,r.x,s.x,a.x),vi(t,i.y,r.y,s.y,a.y),vi(t,i.z,r.z,s.z,a.z)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}xi.prototype.isCubicBezierCurve3=!0;class _i extends ai{constructor(t=new V,e=new V){super(),this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new V){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e){const n=e||new V;return n.copy(this.v2).sub(this.v1).normalize(),n}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}_i.prototype.isLineCurve=!0;class bi extends ai{constructor(t=new G,e=new G){super(),this.type="LineCurve3",this.isLineCurve3=!0,this.v1=t,this.v2=e}getPoint(t,e=new G){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Mi extends ai{constructor(t=new V,e=new V,n=new V){super(),this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new V){const n=e,i=this.v0,r=this.v1,s=this.v2;return n.set(gi(t,i.x,r.x,s.x),gi(t,i.y,r.y,s.y)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}Mi.prototype.isQuadraticBezierCurve=!0;class wi extends ai{constructor(t=new G,e=new G,n=new G){super(),this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new G){const n=e,i=this.v0,r=this.v1,s=this.v2;return n.set(gi(t,i.x,r.x,s.x),gi(t,i.y,r.y,s.y),gi(t,i.z,r.z,s.z)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}wi.prototype.isQuadraticBezierCurve3=!0;class Si extends ai{constructor(t=[]){super(),this.type="SplineCurve",this.points=t}getPoint(t,e=new V){const n=e,i=this.points,r=(i.length-1)*t,s=Math.floor(r),a=r-s,o=i[0===s?s:s-1],l=i[s],c=i[s>i.length-2?i.length-1:s+1],h=i[s>i.length-3?i.length-1:s+2];return n.set(fi(a,o.x,l.x,c.x,h.x),fi(a,o.y,l.y,c.y,h.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new V).fromArray(n))}return this}}Si.prototype.isSplineCurve=!0;class Ei extends ai{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(t){this.curves.push(t)}closePath(){const t=this.curves[0].getPoint(0),e=this.curves[this.curves.length-1].getPoint(1);t.equals(e)||this.curves.push(new _i(e,t))}getPoint(t){const e=t*this.getLength(),n=this.getCurveLengths();let i=0;for(;i<n.length;){if(n[i]>=e){const t=n[i]-e,r=this.curves[i],s=r.getLength(),a=0===s?0:1-t/s;return r.getPointAt(a)}i++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let n=0,i=this.curves.length;n<i;n++)e+=this.curves[n].getLength(),t.push(e);return this.cacheLengths=t,t}getSpacedPoints(t=40){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return this.autoClose&&e.push(e[0]),e}getPoints(t=12){const e=[];let n;for(let i=0,r=this.curves;i<r.length;i++){const s=r[i],a=s&&s.isEllipseCurve?2*t:s&&(s.isLineCurve||s.isLineCurve3)?1:s&&s.isSplineCurve?t*s.points.length:t,o=s.getPoints(a);for(let t=0;t<o.length;t++){const i=o[t];n&&n.equals(i)||(e.push(i),n=i)}}return this.autoClose&&e.length>1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,n=t.curves.length;e<n;e++){const n=t.curves[e];this.curves.push(n.clone())}return this.autoClose=t.autoClose,this}toJSON(){const t=super.toJSON();t.autoClose=this.autoClose,t.curves=[];for(let e=0,n=this.curves.length;e<n;e++){const n=this.curves[e];t.curves.push(n.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let n=0,i=t.curves.length;n<i;n++){const i=t.curves[n];this.curves.push((new e[i.type]).fromJSON(i))}return this}}class Ti extends Ei{constructor(t){super(),this.type="Path",this.currentPoint=new V,t&&this.setFromPoints(t)}setFromPoints(t){this.moveTo(t[0].x,t[0].y);for(let e=1,n=t.length;e<n;e++)this.lineTo(t[e].x,t[e].y);return this}moveTo(t,e){return this.currentPoint.set(t,e),this}lineTo(t,e){const n=new _i(this.currentPoint.clone(),new V(t,e));return this.curves.push(n),this.currentPoint.set(t,e),this}quadraticCurveTo(t,e,n,i){const r=new Mi(this.currentPoint.clone(),new V(t,e),new V(n,i));return this.curves.push(r),this.currentPoint.set(n,i),this}bezierCurveTo(t,e,n,i,r,s){const a=new yi(this.currentPoint.clone(),new V(t,e),new V(n,i),new V(r,s));return this.curves.push(a),this.currentPoint.set(r,s),this}splineThru(t){const e=[this.currentPoint.clone()].concat(t),n=new Si(e);return this.curves.push(n),this.currentPoint.copy(t[t.length-1]),this}arc(t,e,n,i,r,s){const a=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(t+a,e+o,n,i,r,s),this}absarc(t,e,n,i,r,s){return this.absellipse(t,e,n,n,i,r,s),this}ellipse(t,e,n,i,r,s,a,o){const l=this.currentPoint.x,c=this.currentPoint.y;return this.absellipse(t+l,e+c,n,i,r,s,a,o),this}absellipse(t,e,n,i,r,s,a,o){const l=new oi(t,e,n,i,r,s,a,o);if(this.curves.length>0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class Ai extends Ti{constructor(t){super(t),this.uuid=F.generateUUID(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let n=0,i=this.holes.length;n<i;n++)e[n]=this.holes[n].getPoints(t);return e}extractPoints(t){return{shape:this.getPoints(t),holes:this.getPointsHoles(t)}}copy(t){super.copy(t),this.holes=[];for(let e=0,n=t.holes.length;e<n;e++){const n=t.holes[e];this.holes.push(n.clone())}return this}toJSON(){const t=super.toJSON();t.uuid=this.uuid,t.holes=[];for(let e=0,n=this.holes.length;e<n;e++){const n=this.holes[e];t.holes.push(n.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.uuid=t.uuid,this.holes=[];for(let e=0,n=t.holes.length;e<n;e++){const n=t.holes[e];this.holes.push((new Ti).fromJSON(n))}return this}}class Li{constructor(t,e,n){this.name="",this.color=new J(t),this.near=void 0!==e?e:1,this.far=void 0!==n?n:1e3}clone(){return new Li(this.color,this.near,this.far)}toJSON(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}}Li.prototype.isFog=!0;class Ri{constructor(t,e){this.name="",this.color=new J(t),this.density=void 0!==e?e:25e-5}clone(){return new Ri(this.color,this.density)}toJSON(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}}Ri.prototype.isFogExp2=!0;class Pi extends Ut{constructor(t,e=1){super(),this.type="Light",this.color=new J(t),this.intensity=e}copy(t){return super.copy(t),this.color.copy(t.color),this.intensity=t.intensity,this}toJSON(t){const e=super.toJSON(t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,void 0!==this.groundColor&&(e.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(e.object.distance=this.distance),void 0!==this.angle&&(e.object.angle=this.angle),void 0!==this.decay&&(e.object.decay=this.decay),void 0!==this.penumbra&&(e.object.penumbra=this.penumbra),void 0!==this.shadow&&(e.object.shadow=this.shadow.toJSON()),e}}Pi.prototype.isLight=!0;class Ci extends Pi{constructor(t,e,n){super(t,n),this.type="HemisphereLight",this.position.copy(Ut.DefaultUp),this.updateMatrix(),this.groundColor=new J(e)}copy(t){return Pi.prototype.copy.call(this,t),this.groundColor.copy(t.groundColor),this}}Ci.prototype.isHemisphereLight=!0;const Di=new ee,Ni=new G;class Ii{constructor(t=new pe,e=new pe,n=new pe,i=new pe,r=new pe,s=new pe){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t){const e=this.planes,n=t.elements,i=n[0],r=n[1],s=n[2],a=n[3],o=n[4],l=n[5],c=n[6],h=n[7],u=n[8],d=n[9],p=n[10],m=n[11],f=n[12],g=n[13],v=n[14],y=n[15];return e[0].setComponents(a-i,h-o,m-u,y-f).normalize(),e[1].setComponents(a+i,h+o,m+u,y+f).normalize(),e[2].setComponents(a+r,h+l,m+d,y+g).normalize(),e[3].setComponents(a-r,h-l,m-d,y-g).normalize(),e[4].setComponents(a-s,h-c,m-p,y-v).normalize(),e[5].setComponents(a+s,h+c,m+p,y+v).normalize(),this}intersectsObject(t){const e=t.geometry;return null===e.boundingSphere&&e.computeBoundingSphere(),Di.copy(e.boundingSphere).applyMatrix4(t.matrixWorld),this.intersectsSphere(Di)}intersectsSprite(t){return Di.center.set(0,0,0),Di.radius=.7071067811865476,Di.applyMatrix4(t.matrixWorld),this.intersectsSphere(Di)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)<i)return!1}return!0}intersectsBox(t){const e=this.planes;for(let n=0;n<6;n++){const i=e[n];if(Ni.x=i.normal.x>0?t.max.x:t.min.x,Ni.y=i.normal.y>0?t.max.y:t.min.y,Ni.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(Ni)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}const Oi=new ht,zi=new G,Ui=new G;class Fi{constructor(t){this.camera=t,this.bias=0,this.normalBias=0,this.radius=1,this.mapSize=new V(512,512),this.map=null,this.mapPass=null,this.matrix=new ht,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new Ii,this._frameExtents=new V(1,1),this._viewportCount=1,this._viewports=[new O(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,n=this.matrix;zi.setFromMatrixPosition(t.matrixWorld),e.position.copy(zi),Ui.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(Ui),e.updateMatrixWorld(),Oi.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Oi),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(e.projectionMatrix),n.multiply(e.matrixWorldInverse)}getViewport(t){return this._viewports[t]}getFrameExtents(){return this._frameExtents}copy(t){return this.camera=t.camera.clone(),this.bias=t.bias,this.radius=t.radius,this.mapSize.copy(t.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}function Bi(){Ut.call(this),this.type="Camera",this.matrixWorldInverse=new ht,this.projectionMatrix=new ht,this.projectionMatrixInverse=new ht}function Gi(t=50,e=1,n=.1,i=2e3){Bi.call(this),this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}Bi.prototype=Object.assign(Object.create(Ut.prototype),{constructor:Bi,isCamera:!0,copy:function(t,e){return Ut.prototype.copy.call(this,t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this},getWorldDirection:function(t){void 0===t&&(console.warn("THREE.Camera: .getWorldDirection() target is now required"),t=new G),this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(-e[8],-e[9],-e[10]).normalize()},updateMatrixWorld:function(t){Ut.prototype.updateMatrixWorld.call(this,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()},updateWorldMatrix:function(t,e){Ut.prototype.updateWorldMatrix.call(this,t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()},clone:function(){return(new this.constructor).copy(this)}}),Gi.prototype=Object.assign(Object.create(Bi.prototype),{constructor:Gi,isPerspectiveCamera:!0,copy:function(t,e){return Bi.prototype.copy.call(this,t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this},setFocalLength:function(t){const e=.5*this.getFilmHeight()/t;this.fov=2*F.RAD2DEG*Math.atan(e),this.updateProjectionMatrix()},getFocalLength:function(){const t=Math.tan(.5*F.DEG2RAD*this.fov);return.5*this.getFilmHeight()/t},getEffectiveFOV:function(){return 2*F.RAD2DEG*Math.atan(Math.tan(.5*F.DEG2RAD*this.fov)/this.zoom)},getFilmWidth:function(){return this.filmGauge*Math.min(this.aspect,1)},getFilmHeight:function(){return this.filmGauge/Math.max(this.aspect,1)},setViewOffset:function(t,e,n,i,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){const t=this.near;let e=t*Math.tan(.5*F.DEG2RAD*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()},toJSON:function(t){const e=Ut.prototype.toJSON.call(this,t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}});class ki extends Fi{constructor(){super(new Gi(50,1,.5,500)),this.focus=1}updateMatrices(t){const e=this.camera,n=2*F.RAD2DEG*t.angle*this.focus,i=this.mapSize.width/this.mapSize.height,r=t.distance||e.far;n===e.fov&&i===e.aspect&&r===e.far||(e.fov=n,e.aspect=i,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}}ki.prototype.isSpotLightShadow=!0;class Hi extends Pi{constructor(t,e,n=0,i=Math.PI/3,r=0,s=1){super(t,e),this.type="SpotLight",this.position.copy(Ut.DefaultUp),this.updateMatrix(),this.target=new Ut,this.distance=n,this.angle=i,this.penumbra=r,this.decay=s,this.shadow=new ki}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}copy(t){return super.copy(t),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}Hi.prototype.isSpotLight=!0;const Vi=new ht,Wi=new G,ji=new G;class Xi extends Fi{constructor(){super(new Gi(90,1,.5,500)),this._frameExtents=new V(4,2),this._viewportCount=6,this._viewports=[new O(2,1,1,1),new O(0,1,1,1),new O(3,1,1,1),new O(1,1,1,1),new O(3,0,1,1),new O(1,0,1,1)],this._cubeDirections=[new G(1,0,0),new G(-1,0,0),new G(0,0,1),new G(0,0,-1),new G(0,1,0),new G(0,-1,0)],this._cubeUps=[new G(0,1,0),new G(0,1,0),new G(0,1,0),new G(0,1,0),new G(0,0,1),new G(0,0,-1)]}updateMatrices(t,e=0){const n=this.camera,i=this.matrix;Wi.setFromMatrixPosition(t.matrixWorld),n.position.copy(Wi),ji.copy(n.position),ji.add(this._cubeDirections[e]),n.up.copy(this._cubeUps[e]),n.lookAt(ji),n.updateMatrixWorld(),i.makeTranslation(-Wi.x,-Wi.y,-Wi.z),Vi.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Vi)}}Xi.prototype.isPointLightShadow=!0;class qi extends Pi{constructor(t,e,n=0,i=1){super(t,e),this.type="PointLight",this.distance=n,this.decay=i,this.shadow=new Xi}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}copy(t){return super.copy(t),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}}qi.prototype.isPointLight=!0;class Yi extends Bi{constructor(t=-1,e=1,n=1,i=-1,r=.1,s=2e3){super(),this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=r,this.far=s,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,n,i,r,s){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-t,s=n+t,a=i+e,o=i-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,s=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=Ut.prototype.toJSON.call(this,t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}Yi.prototype.isOrthographicCamera=!0;class Zi extends Fi{constructor(){super(new Yi(-5,5,5,-5,.5,500))}}Zi.prototype.isDirectionalLightShadow=!0;class Ji extends Pi{constructor(t,e){super(t,e),this.type="DirectionalLight",this.position.copy(Ut.DefaultUp),this.updateMatrix(),this.target=new Ut,this.shadow=new Zi}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}Ji.prototype.isDirectionalLight=!0;class Ki extends Pi{constructor(t,e){super(t,e),this.type="AmbientLight"}}Ki.prototype.isAmbientLight=!0;class Qi extends Pi{constructor(t,e,n=10,i=10){super(t,e),this.type="RectAreaLight",this.width=n,this.height=i}copy(t){return super.copy(t),this.width=t.width,this.height=t.height,this}toJSON(t){const e=super.toJSON(t);return e.object.width=this.width,e.object.height=this.height,e}}Qi.prototype.isRectAreaLight=!0;class $i{constructor(){this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new G)}set(t){for(let e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this}zero(){for(let t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this}getAt(t,e){const n=t.x,i=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.282095),e.addScaledVector(s[1],.488603*i),e.addScaledVector(s[2],.488603*r),e.addScaledVector(s[3],.488603*n),e.addScaledVector(s[4],n*i*1.092548),e.addScaledVector(s[5],i*r*1.092548),e.addScaledVector(s[6],.315392*(3*r*r-1)),e.addScaledVector(s[7],n*r*1.092548),e.addScaledVector(s[8],.546274*(n*n-i*i)),e}getIrradianceAt(t,e){const n=t.x,i=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.886227),e.addScaledVector(s[1],1.023328*i),e.addScaledVector(s[2],1.023328*r),e.addScaledVector(s[3],1.023328*n),e.addScaledVector(s[4],.858086*n*i),e.addScaledVector(s[5],.858086*i*r),e.addScaledVector(s[6],.743125*r*r-.247708),e.addScaledVector(s[7],.858086*n*r),e.addScaledVector(s[8],.429043*(n*n-i*i)),e}add(t){for(let e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this}addScaledSH(t,e){for(let n=0;n<9;n++)this.coefficients[n].addScaledVector(t.coefficients[n],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let n=0;n<9;n++)this.coefficients[n].lerp(t.coefficients[n],e);return this}equals(t){for(let e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0}copy(t){return this.set(t.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(t,e=0){const n=this.coefficients;for(let i=0;i<9;i++)n[i].fromArray(t,e+3*i);return this}toArray(t=[],e=0){const n=this.coefficients;for(let i=0;i<9;i++)n[i].toArray(t,e+3*i);return t}static getBasisAt(t,e){const n=t.x,i=t.y,r=t.z;e[0]=.282095,e[1]=.488603*i,e[2]=.488603*r,e[3]=.488603*n,e[4]=1.092548*n*i,e[5]=1.092548*i*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*n*r,e[8]=.546274*(n*n-i*i)}}$i.prototype.isSphericalHarmonics3=!0;class tr extends Pi{constructor(t=new $i,e=1){super(void 0,e),this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}fromJSON(t){return this.intensity=t.intensity,this.sh.fromArray(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}tr.prototype.isLightProbe=!0;class er extends Ut{constructor(){super(),this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.autoUpdate=t.autoUpdate,this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.background&&(e.object.background=this.background.toJSON(t)),null!==this.environment&&(e.object.environment=this.environment.toJSON(t)),null!==this.fog&&(e.object.fog=this.fog.toJSON()),e}}let nr;er.prototype.isScene=!0;const ir=function(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===nr&&(nr=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")),nr.width=t.width,nr.height=t.height;const n=nr.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=nr}return e.width>2048||e.height>2048?e.toDataURL("image/jpeg",.6):e.toDataURL("image/png")};let rr=0;class sr extends yt{constructor(t=sr.DEFAULT_IMAGE,e=sr.DEFAULT_MAPPING,n=1001,i=1001,r=1006,s=1008,a=1023,o=1009,l=1,c=3e3){super(),Object.defineProperty(this,"id",{value:rr++}),this.uuid=F.generateUUID(),this.name="",this.image=t,this.mipmaps=[],this.mapping=e,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=s,this.anisotropy=l,this.format=a,this.internalFormat=null,this.type=o,this.offset=new V(0,0),this.repeat=new V(1,1),this.center=new V(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new wt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=c,this.version=0,this.onUpdate=null}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.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(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const n={metadata:{version:4.5,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){const i=this.image;if(void 0===i.uuid&&(i.uuid=F.generateUUID()),!e&&void 0===t.images[i.uuid]){let e;if(Array.isArray(i)){e=[];for(let t=0,n=i.length;t<n;t++)i[t].isDataTexture?e.push(ar(i[t].image)):e.push(ar(i[t]))}else e=ar(i);t.images[i.uuid]={uuid:i.uuid,url:e}}n.image=i.uuid}return e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(300!==this.mapping)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case u:t.x=t.x-Math.floor(t.x);break;case d:t.x=t.x<0?0:1;break;case p: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 u:t.y=t.y-Math.floor(t.y);break;case d:t.y=t.y<0?0:1;break;case p:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&this.version++}}function ar(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?ir(t):t.data?{data:Array.prototype.slice.call(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}sr.DEFAULT_IMAGE=void 0,sr.DEFAULT_MAPPING=300,sr.prototype.isTexture=!0;class or extends sr{constructor(t,e,n,i,r,s,a,l,c,h){super(t=void 0!==t?t:[],e=void 0!==e?e:o,n,i,r,s,a=void 0!==a?a:E,l,c,h),this._needsFlipEnvMap=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}or.prototype.isCubeTexture=!0;class lr extends sr{constructor(t,e,n,i,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,i,r,h,u),this.image={data:t||null,width:e||1,height:n||1},this.magFilter=void 0!==l?l:m,this.minFilter=void 0!==c?c:m,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}}lr.prototype.isDataTexture=!0;const cr={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(this.files[t]=e)},get:function(t){if(!1!==this.enabled)return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};function hr(t,e,n){const i=this;let r,s=!1,a=0,o=0;const l=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=n,this.itemStart=function(t){o++,!1===s&&void 0!==i.onStart&&i.onStart(t,a,o),s=!0},this.itemEnd=function(t){a++,void 0!==i.onProgress&&i.onProgress(t,a,o),a===o&&(s=!1,void 0!==i.onLoad&&i.onLoad())},this.itemError=function(t){void 0!==i.onError&&i.onError(t)},this.resolveURL=function(t){return r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return l.push(t,e),this},this.removeHandler=function(t){const e=l.indexOf(t);return-1!==e&&l.splice(e,2),this},this.getHandler=function(t){for(let e=0,n=l.length;e<n;e+=2){const n=l[e],i=l[e+1];if(n.global&&(n.lastIndex=0),n.test(t))return i}return null}}const ur=new hr;function dr(t){this.manager=void 0!==t?t:ur,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}Object.assign(dr.prototype,{load:function(){},loadAsync:function(t,e){const n=this;return new Promise((function(i,r){n.load(t,i,e,r)}))},parse:function(){},setCrossOrigin:function(t){return this.crossOrigin=t,this},setWithCredentials:function(t){return this.withCredentials=t,this},setPath:function(t){return this.path=t,this},setResourcePath:function(t){return this.resourcePath=t,this},setRequestHeader:function(t){return this.requestHeader=t,this}});class pr extends dr{constructor(t){super(t)}load(t,e,n,i){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=cr.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a=document.createElementNS("http://www.w3.org/1999/xhtml","img");function o(){a.removeEventListener("load",o,!1),a.removeEventListener("error",l,!1),cr.add(t,this),e&&e(this),r.manager.itemEnd(t)}function l(e){a.removeEventListener("load",o,!1),a.removeEventListener("error",l,!1),i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)}return a.addEventListener("load",o,!1),a.addEventListener("error",l,!1),"data:"!==t.substr(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),r.manager.itemStart(t),a.src=t,a}}const mr={arraySlice:function(t,e,n){return mr.isTypedArray(t)?new t.constructor(t.subarray(e,void 0!==n?n:t.length)):t.slice(e,n)},convertArray:function(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)},isTypedArray:function(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)},getKeyframeOrder:function(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n},sortedArray:function(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r},flattenJSON:function(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)},subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t<s.tracks.length;++t){const e=s.tracks[t],o=e.getValueSize(),l=[],c=[];for(let t=0;t<e.times.length;++t){const s=e.times[t]*r;if(!(s<n||s>=i)){l.push(e.times[t]);for(let n=0;n<o;++n)c.push(e.values[t*o+n])}}0!==l.length&&(e.times=mr.convertArray(l,e.times.constructor),e.values=mr.convertArray(c,e.values.constructor),a.push(e))}s.tracks=a;let o=1/0;for(let t=0;t<s.tracks.length;++t)o>s.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t<s.tracks.length;++t)s.tracks[t].shift(-1*o);return s.resetDuration(),s},makeClipAdditive:function(t,e=0,n=t,i=30){i<=0&&(i=30);const r=n.tracks.length,s=e/i;for(let e=0;e<r;++e){const i=n.tracks[e],r=i.ValueTypeName;if("bool"===r||"string"===r)continue;const a=t.tracks.find((function(t){return t.name===i.name&&t.ValueTypeName===r}));if(void 0===a)continue;let o=0;const l=i.getValueSize();i.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=l/3);let c=0;const h=a.getValueSize();a.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(c=h/3);const u=i.times.length-1;let d;if(s<=i.times[0]){const t=o,e=l-o;d=mr.arraySlice(i.values,t,e)}else if(s>=i.times[u]){const t=u*l+o,e=t+l-o;d=mr.arraySlice(i.values,t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=mr.arraySlice(t.resultBuffer,e,n)}if("quaternion"===r){(new B).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t<p;++t){const e=t*h+c;if("quaternion"===r)B.multiplyQuaternionsFlat(a.values,e,d,0,a.values,e);else{const t=h-2*c;for(let n=0;n<t;++n)a.values[e+n]-=d[n]}}}return t.blendMode=2501,t}};function fr(t,e,n,i){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==i?i:new e.constructor(n),this.sampleValues=e,this.valueSize=n}function gr(t,e,n,i){fr.call(this,t,e,n,i),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0}function vr(t,e,n,i){fr.call(this,t,e,n,i)}function yr(t,e,n,i){fr.call(this,t,e,n,i)}Object.assign(fr.prototype,{evaluate:function(t){const e=this.parameterPositions;let n=this._cachedIndex,i=e[n],r=e[n-1];t:{e:{let s;n:{i:if(!(t<i)){for(let s=n+2;;){if(void 0===i){if(t<r)break i;return n=e.length,this._cachedIndex=n,this.afterEnd_(n-1,t,r)}if(n===s)break;if(r=i,i=e[++n],t<i)break e}s=e.length;break n}if(t>=r)break t;{const a=e[1];t<a&&(n=2,r=a);for(let s=n-2;;){if(void 0===r)return this._cachedIndex=0,this.beforeStart_(0,t,i);if(n===s)break;if(i=r,r=e[--n-1],t>=r)break e}s=n,n=0}}for(;n<s;){const i=n+s>>>1;t<e[i]?s=i:n=i+1}if(i=e[n],r=e[n-1],void 0===r)return this._cachedIndex=0,this.beforeStart_(0,t,i);if(void 0===i)return n=e.length,this._cachedIndex=n,this.afterEnd_(n-1,r,t)}this._cachedIndex=n,this.intervalChanged_(n,r,i)}return this.interpolate_(n,r,t,i)},settings:null,DefaultSettings_:{},getSettings_:function(){return this.settings||this.DefaultSettings_},copySampleValue_:function(t){const e=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=t*i;for(let t=0;t!==i;++t)e[t]=n[r+t];return e},interpolate_:function(){throw new Error("call to abstract method")},intervalChanged_:function(){}}),Object.assign(fr.prototype,{beforeStart_:fr.prototype.copySampleValue_,afterEnd_:fr.prototype.copySampleValue_}),gr.prototype=Object.assign(Object.create(fr.prototype),{constructor:gr,DefaultSettings_:{endingStart:2400,endingEnd:2400},intervalChanged_:function(t,e,n){const i=this.parameterPositions;let r=t-2,s=t+1,a=i[r],o=i[s];if(void 0===a)switch(this.getSettings_().endingStart){case 2401:r=t,a=2*e-n;break;case 2402:r=i.length-2,a=e+i[r]-i[r+1];break;default:r=t,a=n}if(void 0===o)switch(this.getSettings_().endingEnd){case 2401:s=t,o=2*n-e;break;case 2402:s=1,o=n+i[1]-i[0];break;default:s=t-1,o=e}const l=.5*(n-e),c=this.valueSize;this._weightPrev=l/(e-a),this._weightNext=l/(o-n),this._offsetPrev=r*c,this._offsetNext=s*c},interpolate_:function(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,c=this._offsetPrev,h=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(n-e)/(i-e),m=p*p,f=m*p,g=-u*f+2*u*m-u*p,v=(1+u)*f+(-1.5-2*u)*m+(-.5+u)*p+1,y=(-1-d)*f+(1.5+d)*m+.5*p,x=d*f-d*m;for(let t=0;t!==a;++t)r[t]=g*s[c+t]+v*s[l+t]+y*s[o+t]+x*s[h+t];return r}}),vr.prototype=Object.assign(Object.create(fr.prototype),{constructor:vr,interpolate_:function(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,c=(n-e)/(i-e),h=1-c;for(let t=0;t!==a;++t)r[t]=s[l+t]*h+s[o+t]*c;return r}}),yr.prototype=Object.assign(Object.create(fr.prototype),{constructor:yr,interpolate_:function(t){return this.copySampleValue_(t-1)}});class xr{constructor(t,e,n,i){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=mr.convertArray(e,this.TimeBufferType),this.values=mr.convertArray(n,this.ValueBufferType),this.setInterpolation(i||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let n;if(e.toJSON!==this.toJSON)n=e.toJSON(t);else{n={name:t.name,times:mr.convertArray(t.times,Array),values:mr.convertArray(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(n.interpolation=e)}return n.type=t.ValueTypeName,n}InterpolantFactoryMethodDiscrete(t){return new yr(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new vr(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new gr(this.times,this.values,this.getValueSize(),t)}setInterpolation(t){let e;switch(t){case R:e=this.InterpolantFactoryMethodDiscrete;break;case P:e=this.InterpolantFactoryMethodLinear;break;case C:e=this.InterpolantFactoryMethodSmooth}if(void 0===e){const e="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(e);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return R;case this.InterpolantFactoryMethodLinear:return P;case this.InterpolantFactoryMethodSmooth:return C}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let n=0,i=e.length;n!==i;++n)e[n]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let n=0,i=e.length;n!==i;++n)e[n]*=t}return this}trim(t,e){const n=this.times,i=n.length;let r=0,s=i-1;for(;r!==i&&n[r]<t;)++r;for(;-1!==s&&n[s]>e;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=mr.arraySlice(n,r,s),this.values=mr.arraySlice(this.values,r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&mr.isTypedArray(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=mr.arraySlice(this.times),e=mr.arraySlice(this.values),n=this.getValueSize(),i=this.getInterpolation()===C,r=t.length-1;let s=1;for(let a=1;a<r;++a){let r=!1;const o=t[a];if(o!==t[a+1]&&(1!==a||o!==t[0]))if(i)r=!0;else{const t=a*n,i=t-n,s=t+n;for(let a=0;a!==n;++a){const n=e[t+a];if(n!==e[i+a]||n!==e[s+a]){r=!0;break}}}if(r){if(a!==s){t[s]=t[a];const i=a*n,r=s*n;for(let t=0;t!==n;++t)e[r+t]=e[i+t]}++s}}if(r>0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=mr.arraySlice(t,0,s),this.values=mr.arraySlice(e,0,s*n)):(this.times=t,this.values=e),this}clone(){const t=mr.arraySlice(this.times,0),e=mr.arraySlice(this.values,0),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}xr.prototype.TimeBufferType=Float32Array,xr.prototype.ValueBufferType=Float32Array,xr.prototype.DefaultInterpolation=P;class _r extends xr{}_r.prototype.ValueTypeName="bool",_r.prototype.ValueBufferType=Array,_r.prototype.DefaultInterpolation=R,_r.prototype.InterpolantFactoryMethodLinear=void 0,_r.prototype.InterpolantFactoryMethodSmooth=void 0;class br extends xr{}br.prototype.ValueTypeName="color";class Mr extends xr{}function wr(t,e,n,i){fr.call(this,t,e,n,i)}Mr.prototype.ValueTypeName="number",wr.prototype=Object.assign(Object.create(fr.prototype),{constructor:wr,interpolate_:function(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)B.slerpFlat(r,0,s,l-a,s,l,o);return r}});class Sr extends xr{InterpolantFactoryMethodLinear(t){return new wr(this.times,this.values,this.getValueSize(),t)}}Sr.prototype.ValueTypeName="quaternion",Sr.prototype.DefaultInterpolation=P,Sr.prototype.InterpolantFactoryMethodSmooth=void 0;class Er extends xr{}Er.prototype.ValueTypeName="string",Er.prototype.ValueBufferType=Array,Er.prototype.DefaultInterpolation=R,Er.prototype.InterpolantFactoryMethodLinear=void 0,Er.prototype.InterpolantFactoryMethodSmooth=void 0;class Tr extends xr{}Tr.prototype.ValueTypeName="vector";class Ar{constructor(t,e=-1,n,i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=F.generateUUID(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push(Lr(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(xr.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];for(let t=0;t<r;t++){let a=[],o=[];a.push((t+r-1)%r,t,(t+1)%r),o.push(0,1,0);const l=mr.getKeyframeOrder(a);a=mr.sortedArray(a,1,l),o=mr.sortedArray(o,1,l),i||0!==a[0]||(a.push(r),o.push(o[0])),s.push(new Mr(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/n))}return new this(t,-1,s)}static findByName(t,e){let n=t;if(!Array.isArray(t)){const e=t;n=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<n.length;t++)if(n[t].name===e)return n[t];return null}static CreateClipsFromMorphTargetSequences(t,e,n){const i={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,n=t.length;e<n;e++){const n=t[e],s=n.name.match(r);if(s&&s.length>1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];mr.flattenJSON(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t<l.length;t++){const r=l[t].keys;if(r&&0!==r.length)if(r[0].morphTargets){const t={};let e;for(e=0;e<r.length;e++)if(r[e].morphTargets)for(let n=0;n<r[e].morphTargets.length;n++)t[r[e].morphTargets[n]]=-1;for(const n in t){const t=[],s=[];for(let i=0;i!==r[e].morphTargets.length;++i){const i=r[e];t.push(i.time),s.push(i.morphTarget===n?1:0)}i.push(new Mr(".morphTargetInfluence["+n+"]",t,s))}o=t.length*(s||1)}else{const s=".bones["+e[t].name+"]";n(Tr,s+".position",r,"pos",i),n(Sr,s+".quaternion",r,"rot",i),n(Tr,s+".scale",r,"scl",i)}}if(0===i.length)return null;return new this(r,o,i,a)}resetDuration(){let t=0;for(let e=0,n=this.tracks.length;e!==n;++e){const n=this.tracks[e];t=Math.max(t,n.times[n.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].trim(0,this.duration);return this}validate(){let t=!0;for(let e=0;e<this.tracks.length;e++)t=t&&this.tracks[e].validate();return t}optimize(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].optimize();return this}clone(){const t=[];for(let e=0;e<this.tracks.length;e++)t.push(this.tracks[e].clone());return new this.constructor(this.name,this.duration,t,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function Lr(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return Mr;case"vector":case"vector2":case"vector3":case"vector4":return Tr;case"color":return br;case"quaternion":return Sr;case"bool":case"boolean":return _r;case"string":return Er}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],n=[];mr.flattenJSON(t.keys,e,n,"value"),t.times=e,t.values=n}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const Rr={};function Pr(t){dr.call(this,t)}Pr.prototype=Object.assign(Object.create(dr.prototype),{constructor:Pr,load:function(t,e,n,i){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=cr.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;if(void 0!==Rr[t])return void Rr[t].push({onLoad:e,onProgress:n,onError:i});const a=t.match(/^data:(.*?)(;base64)?,(.*)$/);let o;if(a){const n=a[1],s=!!a[2];let o=a[3];o=decodeURIComponent(o),s&&(o=atob(o));try{let i;const s=(this.responseType||"").toLowerCase();switch(s){case"arraybuffer":case"blob":const t=new Uint8Array(o.length);for(let e=0;e<o.length;e++)t[e]=o.charCodeAt(e);i="blob"===s?new Blob([t.buffer],{type:n}):t.buffer;break;case"document":const e=new DOMParser;i=e.parseFromString(o,n);break;case"json":i=JSON.parse(o);break;default:i=o}setTimeout((function(){e&&e(i),r.manager.itemEnd(t)}),0)}catch(e){setTimeout((function(){i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)}),0)}}else{Rr[t]=[],Rr[t].push({onLoad:e,onProgress:n,onError:i}),o=new XMLHttpRequest,o.open("GET",t,!0),o.addEventListener("load",(function(e){const n=this.response,i=Rr[t];if(delete Rr[t],200===this.status||0===this.status){0===this.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),cr.add(t,n);for(let t=0,e=i.length;t<e;t++){const e=i[t];e.onLoad&&e.onLoad(n)}r.manager.itemEnd(t)}else{for(let t=0,n=i.length;t<n;t++){const n=i[t];n.onError&&n.onError(e)}r.manager.itemError(t),r.manager.itemEnd(t)}}),!1),o.addEventListener("progress",(function(e){const n=Rr[t];for(let t=0,i=n.length;t<i;t++){const i=n[t];i.onProgress&&i.onProgress(e)}}),!1),o.addEventListener("error",(function(e){const n=Rr[t];delete Rr[t];for(let t=0,i=n.length;t<i;t++){const i=n[t];i.onError&&i.onError(e)}r.manager.itemError(t),r.manager.itemEnd(t)}),!1),o.addEventListener("abort",(function(e){const n=Rr[t];delete Rr[t];for(let t=0,i=n.length;t<i;t++){const i=n[t];i.onError&&i.onError(e)}r.manager.itemError(t),r.manager.itemEnd(t)}),!1),void 0!==this.responseType&&(o.responseType=this.responseType),void 0!==this.withCredentials&&(o.withCredentials=this.withCredentials),o.overrideMimeType&&o.overrideMimeType(void 0!==this.mimeType?this.mimeType:"text/plain");for(const t in this.requestHeader)o.setRequestHeader(t,this.requestHeader[t]);o.send(null)}return r.manager.itemStart(t),o},setResponseType:function(t){return this.responseType=t,this},setMimeType:function(t){return this.mimeType=t,this}});class Cr extends Te{constructor(t){super(),this.type="ShadowMaterial",this.color=new J(0),this.transparent=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this}}function Dr(t){const e={};for(const n in t){e[n]={};for(const i in t[n]){const r=t[n][i];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?e[n][i]=r.clone():Array.isArray(r)?e[n][i]=r.slice():e[n][i]=r}}return e}function Nr(t){const e={};for(let n=0;n<t.length;n++){const i=Dr(t[n]);for(const t in i)e[t]=i[t]}return e}Cr.prototype.isShadowMaterial=!0;const Ir={clone:Dr,merge:Nr};function Or(t){Te.call(this),this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader="\nvoid main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}\n",this.fragmentShader="\nvoid main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}\n",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&(void 0!==t.attributes&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(t))}Or.prototype=Object.create(Te.prototype),Or.prototype.constructor=Or,Or.prototype.isShaderMaterial=!0,Or.prototype.copy=function(t){return Te.prototype.copy.call(this,t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=Dr(t.uniforms),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.lights=t.lights,this.clipping=t.clipping,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this},Or.prototype.toJSON=function(t){const e=Te.prototype.toJSON.call(this,t);e.glslVersion=this.glslVersion,e.uniforms={};for(const n in this.uniforms){const i=this.uniforms[n].value;i&&i.isTexture?e.uniforms[n]={type:"t",value:i.toJSON(t).uuid}:i&&i.isColor?e.uniforms[n]={type:"c",value:i.getHex()}:i&&i.isVector2?e.uniforms[n]={type:"v2",value:i.toArray()}:i&&i.isVector3?e.uniforms[n]={type:"v3",value:i.toArray()}:i&&i.isVector4?e.uniforms[n]={type:"v4",value:i.toArray()}:i&&i.isMatrix3?e.uniforms[n]={type:"m3",value:i.toArray()}:i&&i.isMatrix4?e.uniforms[n]={type:"m4",value:i.toArray()}:e.uniforms[n]={value:i}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e};class zr extends Or{constructor(t){super(t),this.type="RawShaderMaterial"}}function Ur(t){Te.call(this),this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new J(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new J(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new V(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.flatShading=!1,this.vertexTangents=!1,this.setValues(t)}function Fr(t){Ur.call(this),this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoat=0,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new V(1,1),this.clearcoatNormalMap=null,this.reflectivity=.5,Object.defineProperty(this,"ior",{get:function(){return(1+.4*this.reflectivity)/(1-.4*this.reflectivity)},set:function(t){this.reflectivity=F.clamp(2.5*(t-1)/(t+1),0,1)}}),this.sheen=null,this.transmission=0,this.transmissionMap=null,this.setValues(t)}zr.prototype.isRawShaderMaterial=!0,Ur.prototype=Object.create(Te.prototype),Ur.prototype.constructor=Ur,Ur.prototype.isMeshStandardMaterial=!0,Ur.prototype.copy=function(t){return Te.prototype.copy.call(this,t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapIntensity=t.envMapIntensity,this.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.morphNormals=t.morphNormals,this.flatShading=t.flatShading,this.vertexTangents=t.vertexTangents,this},Fr.prototype=Object.create(Ur.prototype),Fr.prototype.constructor=Fr,Fr.prototype.isMeshPhysicalMaterial=!0,Fr.prototype.copy=function(t){return Ur.prototype.copy.call(this,t),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.reflectivity=t.reflectivity,t.sheen?this.sheen=(this.sheen||new J).copy(t.sheen):this.sheen=null,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this};class Br extends Te{constructor(t){super(),this.type="MeshPhongMaterial",this.color=new J(16777215),this.specular=new J(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new J(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new V(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,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.morphNormals=!1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this.flatShading=t.flatShading,this}}Br.prototype.isMeshPhongMaterial=!0;class Gr extends Te{constructor(t){super(),this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new J(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new J(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new V(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this}}Gr.prototype.isMeshToonMaterial=!0;class kr extends Te{constructor(t){super(),this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new V(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this.flatShading=t.flatShading,this}}kr.prototype.isMeshNormalMaterial=!0;class Hr extends Te{constructor(t){super(),this.type="MeshLambertMaterial",this.color=new J(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new J(0),this.emissiveIntensity=1,this.emissiveMap=null,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.morphNormals=!1,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.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.morphNormals=t.morphNormals,this}}Hr.prototype.isMeshLambertMaterial=!0;class Vr extends Te{constructor(t){super(),this.type="MeshDepthMaterial",this.depthPacking=3200,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}Vr.prototype.isMeshDepthMaterial=!0;class Wr extends Te{constructor(t){super(),this.type="MeshDistanceMaterial",this.referencePosition=new G,this.nearDistance=1,this.farDistance=1e3,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.setValues(t)}copy(t){return super.copy(t),this.referencePosition.copy(t.referencePosition),this.nearDistance=t.nearDistance,this.farDistance=t.farDistance,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}Wr.prototype.isMeshDistanceMaterial=!0;class jr extends Te{constructor(t){super(),this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new J(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new V(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this.flatShading=t.flatShading,this}}jr.prototype.isMeshMatcapMaterial=!0;class Xr extends zn{constructor(t){super(),this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}Xr.prototype.isLineDashedMaterial=!0;class qr extends dr{constructor(t){super(t),this.textures={}}load(t,e,n,i){const r=this,s=new Pr(r.manager);s.setPath(r.path),s.setRequestHeader(r.requestHeader),s.setWithCredentials(r.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e=this.textures;function i(t){return void 0===e[t]&&console.warn("THREE.MaterialLoader: Undefined texture",t),e[t]}const r=new n[t.type];if(void 0!==t.uuid&&(r.uuid=t.uuid),void 0!==t.name&&(r.name=t.name),void 0!==t.color&&void 0!==r.color&&r.color.setHex(t.color),void 0!==t.roughness&&(r.roughness=t.roughness),void 0!==t.metalness&&(r.metalness=t.metalness),void 0!==t.sheen&&(r.sheen=(new J).setHex(t.sheen)),void 0!==t.emissive&&void 0!==r.emissive&&r.emissive.setHex(t.emissive),void 0!==t.specular&&void 0!==r.specular&&r.specular.setHex(t.specular),void 0!==t.shininess&&(r.shininess=t.shininess),void 0!==t.clearcoat&&(r.clearcoat=t.clearcoat),void 0!==t.clearcoatRoughness&&(r.clearcoatRoughness=t.clearcoatRoughness),void 0!==t.fog&&(r.fog=t.fog),void 0!==t.flatShading&&(r.flatShading=t.flatShading),void 0!==t.blending&&(r.blending=t.blending),void 0!==t.combine&&(r.combine=t.combine),void 0!==t.side&&(r.side=t.side),void 0!==t.opacity&&(r.opacity=t.opacity),void 0!==t.transparent&&(r.transparent=t.transparent),void 0!==t.alphaTest&&(r.alphaTest=t.alphaTest),void 0!==t.depthTest&&(r.depthTest=t.depthTest),void 0!==t.depthWrite&&(r.depthWrite=t.depthWrite),void 0!==t.colorWrite&&(r.colorWrite=t.colorWrite),void 0!==t.stencilWrite&&(r.stencilWrite=t.stencilWrite),void 0!==t.stencilWriteMask&&(r.stencilWriteMask=t.stencilWriteMask),void 0!==t.stencilFunc&&(r.stencilFunc=t.stencilFunc),void 0!==t.stencilRef&&(r.stencilRef=t.stencilRef),void 0!==t.stencilFuncMask&&(r.stencilFuncMask=t.stencilFuncMask),void 0!==t.stencilFail&&(r.stencilFail=t.stencilFail),void 0!==t.stencilZFail&&(r.stencilZFail=t.stencilZFail),void 0!==t.stencilZPass&&(r.stencilZPass=t.stencilZPass),void 0!==t.wireframe&&(r.wireframe=t.wireframe),void 0!==t.wireframeLinewidth&&(r.wireframeLinewidth=t.wireframeLinewidth),void 0!==t.wireframeLinecap&&(r.wireframeLinecap=t.wireframeLinecap),void 0!==t.wireframeLinejoin&&(r.wireframeLinejoin=t.wireframeLinejoin),void 0!==t.rotation&&(r.rotation=t.rotation),1!==t.linewidth&&(r.linewidth=t.linewidth),void 0!==t.dashSize&&(r.dashSize=t.dashSize),void 0!==t.gapSize&&(r.gapSize=t.gapSize),void 0!==t.scale&&(r.scale=t.scale),void 0!==t.polygonOffset&&(r.polygonOffset=t.polygonOffset),void 0!==t.polygonOffsetFactor&&(r.polygonOffsetFactor=t.polygonOffsetFactor),void 0!==t.polygonOffsetUnits&&(r.polygonOffsetUnits=t.polygonOffsetUnits),void 0!==t.skinning&&(r.skinning=t.skinning),void 0!==t.morphTargets&&(r.morphTargets=t.morphTargets),void 0!==t.morphNormals&&(r.morphNormals=t.morphNormals),void 0!==t.dithering&&(r.dithering=t.dithering),void 0!==t.vertexTangents&&(r.vertexTangents=t.vertexTangents),void 0!==t.visible&&(r.visible=t.visible),void 0!==t.toneMapped&&(r.toneMapped=t.toneMapped),void 0!==t.userData&&(r.userData=t.userData),void 0!==t.vertexColors&&("number"==typeof t.vertexColors?r.vertexColors=t.vertexColors>0:r.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const n=t.uniforms[e];switch(r.uniforms[e]={},n.type){case"t":r.uniforms[e].value=i(n.value);break;case"c":r.uniforms[e].value=(new J).setHex(n.value);break;case"v2":r.uniforms[e].value=(new V).fromArray(n.value);break;case"v3":r.uniforms[e].value=(new G).fromArray(n.value);break;case"v4":r.uniforms[e].value=(new O).fromArray(n.value);break;case"m3":r.uniforms[e].value=(new wt).fromArray(n.value);break;case"m4":r.uniforms[e].value=(new ht).fromArray(n.value);break;default:r.uniforms[e].value=n.value}}if(void 0!==t.defines&&(r.defines=t.defines),void 0!==t.vertexShader&&(r.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(r.fragmentShader=t.fragmentShader),void 0!==t.extensions)for(const e in t.extensions)r.extensions[e]=t.extensions[e];if(void 0!==t.shading&&(r.flatShading=1===t.shading),void 0!==t.size&&(r.size=t.size),void 0!==t.sizeAttenuation&&(r.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(r.map=i(t.map)),void 0!==t.matcap&&(r.matcap=i(t.matcap)),void 0!==t.alphaMap&&(r.alphaMap=i(t.alphaMap)),void 0!==t.bumpMap&&(r.bumpMap=i(t.bumpMap)),void 0!==t.bumpScale&&(r.bumpScale=t.bumpScale),void 0!==t.normalMap&&(r.normalMap=i(t.normalMap)),void 0!==t.normalMapType&&(r.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),r.normalScale=(new V).fromArray(e)}return void 0!==t.displacementMap&&(r.displacementMap=i(t.displacementMap)),void 0!==t.displacementScale&&(r.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(r.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(r.roughnessMap=i(t.roughnessMap)),void 0!==t.metalnessMap&&(r.metalnessMap=i(t.metalnessMap)),void 0!==t.emissiveMap&&(r.emissiveMap=i(t.emissiveMap)),void 0!==t.emissiveIntensity&&(r.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(r.specularMap=i(t.specularMap)),void 0!==t.envMap&&(r.envMap=i(t.envMap)),void 0!==t.envMapIntensity&&(r.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(r.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(r.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(r.lightMap=i(t.lightMap)),void 0!==t.lightMapIntensity&&(r.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(r.aoMap=i(t.aoMap)),void 0!==t.aoMapIntensity&&(r.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(r.gradientMap=i(t.gradientMap)),void 0!==t.clearcoatMap&&(r.clearcoatMap=i(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(r.clearcoatRoughnessMap=i(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(r.clearcoatNormalMap=i(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(r.clearcoatNormalScale=(new V).fromArray(t.clearcoatNormalScale)),void 0!==t.transmission&&(r.transmission=t.transmission),void 0!==t.transmissionMap&&(r.transmissionMap=i(t.transmissionMap)),r}setTextures(t){return this.textures=t,this}}const Yr=function(t){const e=t.lastIndexOf("/");return-1===e?"./":t.substr(0,e+1)};function Zr(){Fe.call(this),this.type="InstancedBufferGeometry",this.instanceCount=1/0}function Jr(t,e,n,i){"number"==typeof n&&(i=n,n=!1,console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.")),$.call(this,t,e,n),this.meshPerAttribute=i||1}Zr.prototype=Object.assign(Object.create(Fe.prototype),{constructor:Zr,isInstancedBufferGeometry:!0,copy:function(t){return Fe.prototype.copy.call(this,t),this.instanceCount=t.instanceCount,this},clone:function(){return(new this.constructor).copy(this)},toJSON:function(){const t=Fe.prototype.toJSON.call(this);return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}),Jr.prototype=Object.assign(Object.create($.prototype),{constructor:Jr,isInstancedBufferAttribute:!0,copy:function(t){return $.prototype.copy.call(this,t),this.meshPerAttribute=t.meshPerAttribute,this},toJSON:function(){const t=$.prototype.toJSON.call(this);return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}});class Kr extends dr{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Pr(r.manager);s.setPath(r.path),s.setRequestHeader(r.requestHeader),s.setWithCredentials(r.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e={},n={};function i(t,i){if(void 0!==e[i])return e[i];const r=t.interleavedBuffers[i],s=function(t,e){if(void 0!==n[e])return n[e];const i=t.arrayBuffers[e],r=new Uint32Array(i).buffer;return n[e]=r,r}(t,r.buffer),a=new hn(Pe(r.type,s),r.stride);return a.uuid=r.uuid,e[i]=a,a}const r=t.isInstancedBufferGeometry?new Zr:new Fe,s=t.data.index;if(void 0!==s){const t=Pe(s.type,s.array);r.setIndex(new $(t,1))}const a=t.data.attributes;for(const e in a){const n=a[e];let s;if(n.isInterleavedBufferAttribute){s=new dn(i(t.data,n.data),n.itemSize,n.offset,n.normalized)}else{const t=Pe(n.type,n.array);s=new(n.isInstancedBufferAttribute?Jr:$)(t,n.itemSize,n.normalized)}void 0!==n.name&&(s.name=n.name),r.setAttribute(e,s)}const o=t.data.morphAttributes;if(o)for(const e in o){const n=o[e],s=[];for(let e=0,r=n.length;e<r;e++){const r=n[e];let a;if(r.isInterleavedBufferAttribute){a=new dn(i(t.data,r.data),r.itemSize,r.offset,r.normalized)}else{a=new $(Pe(r.type,r.array),r.itemSize,r.normalized)}void 0!==r.name&&(a.name=r.name),s.push(a)}r.morphAttributes[e]=s}t.data.morphTargetsRelative&&(r.morphTargetsRelative=!0);const l=t.data.groups||t.data.drawcalls||t.data.offsets;if(void 0!==l)for(let t=0,e=l.length;t!==e;++t){const e=l[t];r.addGroup(e.start,e.count,e.materialIndex)}const c=t.data.boundingSphere;if(void 0!==c){const t=new G;void 0!==c.center&&t.fromArray(c.center),r.boundingSphere=new ee(t,c.radius)}return t.name&&(r.name=t.name),t.userData&&(r.userData=t.userData),r}}class Qr extends Fe{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,n,i,r,s,p,m,f,g,v){const y=s/f,x=p/g,_=s/2,b=p/2,M=m/2,w=f+1,S=g+1;let E=0,T=0;const A=new G;for(let s=0;s<S;s++){const a=s*x-b;for(let o=0;o<w;o++){const u=o*y-_;A[t]=u*i,A[e]=a*r,A[n]=M,l.push(A.x,A.y,A.z),A[t]=0,A[e]=0,A[n]=m>0?1:-1,c.push(A.x,A.y,A.z),h.push(o/f),h.push(1-s/g),E+=1}}for(let t=0;t<g;t++)for(let e=0;e<f;e++){const n=u+e+w*t,i=u+e+w*(t+1),r=u+(e+1)+w*(t+1),s=u+(e+1)+w*t;o.push(n,i,s),o.push(i,r,s),T+=6}a.addGroup(d,T,v),d+=T,u+=E}p("z","y","x",-1,-1,n,e,t,s,r,0),p("z","y","x",1,-1,n,e,-t,s,r,1),p("x","z","y",1,1,t,n,e,i,s,2),p("x","z","y",1,-1,t,n,-e,i,s,3),p("x","y","z",1,-1,t,e,n,i,r,4),p("x","y","z",-1,-1,t,e,-n,i,r,5),this.setIndex(o),this.setAttribute("position",new lt(l,3)),this.setAttribute("normal",new lt(c,3)),this.setAttribute("uv",new lt(h,2))}}class $r extends Fe{constructor(t=1,e=8,n=0,i=2*Math.PI){super(),this.type="CircleGeometry",this.parameters={radius:t,segments:e,thetaStart:n,thetaLength:i},e=Math.max(3,e);const r=[],s=[],a=[],o=[],l=new G,c=new V;s.push(0,0,0),a.push(0,0,1),o.push(.5,.5);for(let r=0,h=3;r<=e;r++,h+=3){const u=n+r/e*i;l.x=t*Math.cos(u),l.y=t*Math.sin(u),s.push(l.x,l.y,l.z),a.push(0,0,1),c.x=(s[h]/t+1)/2,c.y=(s[h+1]/t+1)/2,o.push(c.x,c.y)}for(let t=1;t<=e;t++)r.push(t,t+1,0);this.setIndex(r),this.setAttribute("position",new lt(s,3)),this.setAttribute("normal",new lt(a,3)),this.setAttribute("uv",new lt(o,2))}}class ts extends Fe{constructor(t=1,e=1,n=1,i=8,r=1,s=!1,a=0,o=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:t,radiusBottom:e,height:n,radialSegments:i,heightSegments:r,openEnded:s,thetaStart:a,thetaLength:o};const l=this;i=Math.floor(i),r=Math.floor(r);const c=[],h=[],u=[],d=[];let p=0;const m=[],f=n/2;let g=0;function v(n){const r=p,s=new V,m=new G;let v=0;const y=!0===n?t:e,x=!0===n?1:-1;for(let t=1;t<=i;t++)h.push(0,f*x,0),u.push(0,x,0),d.push(.5,.5),p++;const _=p;for(let t=0;t<=i;t++){const e=t/i*o+a,n=Math.cos(e),r=Math.sin(e);m.x=y*r,m.y=f*x,m.z=y*n,h.push(m.x,m.y,m.z),u.push(0,x,0),s.x=.5*n+.5,s.y=.5*r*x+.5,d.push(s.x,s.y),p++}for(let t=0;t<i;t++){const e=r+t,i=_+t;!0===n?c.push(i,i+1,e):c.push(i+1,i,e),v+=3}l.addGroup(g,v,!0===n?1:2),g+=v}!function(){const s=new G,v=new G;let y=0;const x=(e-t)/n;for(let l=0;l<=r;l++){const c=[],g=l/r,y=g*(e-t)+t;for(let t=0;t<=i;t++){const e=t/i,r=e*o+a,l=Math.sin(r),m=Math.cos(r);v.x=y*l,v.y=-g*n+f,v.z=y*m,h.push(v.x,v.y,v.z),s.set(l,x,m).normalize(),u.push(s.x,s.y,s.z),d.push(e,1-g),c.push(p++)}m.push(c)}for(let t=0;t<i;t++)for(let e=0;e<r;e++){const n=m[e][t],i=m[e+1][t],r=m[e+1][t+1],s=m[e][t+1];c.push(n,i,s),c.push(i,r,s),y+=6}l.addGroup(g,y,0),g+=y}(),!1===s&&(t>0&&v(!0),e>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new lt(h,3)),this.setAttribute("normal",new lt(u,3)),this.setAttribute("uv",new lt(d,2))}}class es extends ts{constructor(t=1,e=1,n=8,i=1,r=!1,s=0,a=2*Math.PI){super(0,t,e,n,i,r,s,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:n,heightSegments:i,openEnded:r,thetaStart:s,thetaLength:a}}}class ns extends Fe{constructor(t,e,n=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:n,detail:i};const r=[],s=[];function a(t,e,n,i){const r=i+1,s=[];for(let i=0;i<=r;i++){s[i]=[];const a=t.clone().lerp(n,i/r),o=e.clone().lerp(n,i/r),l=r-i;for(let t=0;t<=l;t++)s[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/l)}for(let t=0;t<r;t++)for(let e=0;e<2*(r-t)-1;e++){const n=Math.floor(e/2);e%2==0?(o(s[t][n+1]),o(s[t+1][n]),o(s[t][n])):(o(s[t][n+1]),o(s[t+1][n+1]),o(s[t+1][n]))}}function o(t){r.push(t.x,t.y,t.z)}function l(e,n){const i=3*e;n.x=t[i+0],n.y=t[i+1],n.z=t[i+2]}function c(t,e,n,i){i<0&&1===t.x&&(s[e]=t.x-1),0===n.x&&0===n.z&&(s[e]=i/2/Math.PI+.5)}function h(t){return Math.atan2(t.z,-t.x)}!function(t){const n=new G,i=new G,r=new G;for(let s=0;s<e.length;s+=3)l(e[s+0],n),l(e[s+1],i),l(e[s+2],r),a(n,i,r,t)}(i),function(t){const e=new G;for(let 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n=[],i=[],r=[];Os(t),zs(n,t);let s=t.length;e.forEach(Os);for(let t=0;t<e.length;t++)i.push(s),s+=e[t].length,zs(n,e[t]);const a=cs(n,i);for(let t=0;t<a.length;t+=3)r.push(a.slice(t,t+3));return r}};function Os(t){const e=t.length;e>2&&t[e-1].equals(t[0])&&t.pop()}function zs(t,e){for(let n=0;n<e.length;n++)t.push(e[n].x),t.push(e[n].y)}class Us extends Fe{constructor(t,e){super(),this.type="ExtrudeGeometry",this.parameters={shapes:t,options:e},t=Array.isArray(t)?t:[t];const n=this,i=[],r=[];for(let e=0,n=t.length;e<n;e++){s(t[e])}function s(t){const s=[],a=void 0!==e.curveSegments?e.curveSegments:12,o=void 0!==e.steps?e.steps:1;let l=void 0!==e.depth?e.depth:100,c=void 0===e.bevelEnabled||e.bevelEnabled,h=void 0!==e.bevelThickness?e.bevelThickness:6,u=void 0!==e.bevelSize?e.bevelSize:h-2,d=void 0!==e.bevelOffset?e.bevelOffset:0,p=void 0!==e.bevelSegments?e.bevelSegments:3;const m=e.extrudePath,f=void 0!==e.UVGenerator?e.UVGenerator:Fs;void 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t=!1;a>Number.EPSILON?l>Number.EPSILON&&(t=!0):a<-Number.EPSILON?l<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(c)&&(t=!0),t?(i=-o,r=a,s=Math.sqrt(h)):(i=a,r=o,s=Math.sqrt(h/2))}return new V(i/s,r/s)}const C=[];for(let t=0,e=T.length,n=e-1,i=t+1;t<e;t++,n++,i++)n===e&&(n=0),i===e&&(i=0),C[t]=P(T[t],T[n],T[i]);const D=[];let N,I=C.concat();for(let t=0,e=S.length;t<e;t++){const e=S[t];N=[];for(let t=0,n=e.length,i=n-1,r=t+1;t<n;t++,i++,r++)i===n&&(i=0),r===n&&(r=0),N[t]=P(e[t],e[i],e[r]);D.push(N),I=I.concat(N)}for(let t=0;t<p;t++){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=T.length;t<e;t++){const e=A(T[t],C[t],i);U(e.x,e.y,-n)}for(let t=0,e=S.length;t<e;t++){const e=S[t];N=D[t];for(let t=0,r=e.length;t<r;t++){const r=A(e[t],N[t],i);U(r.x,r.y,-n)}}}const O=u+d;for(let t=0;t<L;t++){const e=c?A(w[t],I[t],O):w[t];b?(x.copy(v.normals[0]).multiplyScalar(e.x),y.copy(v.binormals[0]).multiplyScalar(e.y),_.copy(g[0]).add(x).add(y),U(_.x,_.y,_.z)):U(e.x,e.y,0)}for(let t=1;t<=o;t++)for(let e=0;e<L;e++){const n=c?A(w[e],I[e],O):w[e];b?(x.copy(v.normals[t]).multiplyScalar(n.x),y.copy(v.binormals[t]).multiplyScalar(n.y),_.copy(g[t]).add(x).add(y),U(_.x,_.y,_.z)):U(n.x,n.y,l/o*t)}for(let t=p-1;t>=0;t--){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=T.length;t<e;t++){const e=A(T[t],C[t],i);U(e.x,e.y,l+n)}for(let t=0,e=S.length;t<e;t++){const e=S[t];N=D[t];for(let t=0,r=e.length;t<r;t++){const r=A(e[t],N[t],i);b?U(r.x,r.y+g[o-1].y,g[o-1].x+n):U(r.x,r.y,l+n)}}}function z(t,e){let n=t.length;for(;--n>=0;){const i=n;let r=n-1;r<0&&(r=t.length-1);for(let t=0,n=o+2*p;t<n;t++){const n=L*t,s=L*(t+1);B(e+i+n,e+r+n,e+r+s,e+i+s)}}}function U(t,e,n){s.push(t),s.push(e),s.push(n)}function F(t,e,r){k(t),k(e),k(r);const s=i.length/3,a=f.generateTopUV(n,i,s-3,s-2,s-1);H(a[0]),H(a[1]),H(a[2])}function B(t,e,r,s){k(t),k(e),k(s),k(e),k(r),k(s);const a=i.length/3,o=f.generateSideWallUV(n,i,a-6,a-3,a-2,a-1);H(o[0]),H(o[1]),H(o[3]),H(o[1]),H(o[2]),H(o[3])}function k(t){i.push(s[3*t+0]),i.push(s[3*t+1]),i.push(s[3*t+2])}function H(t){r.push(t.x),r.push(t.y)}!function(){const t=i.length/3;if(c){let t=0,e=L*t;for(let t=0;t<R;t++){const n=E[t];F(n[2]+e,n[1]+e,n[0]+e)}t=o+2*p,e=L*t;for(let t=0;t<R;t++){const n=E[t];F(n[0]+e,n[1]+e,n[2]+e)}}else{for(let t=0;t<R;t++){const e=E[t];F(e[2],e[1],e[0])}for(let t=0;t<R;t++){const e=E[t];F(e[0]+L*o,e[1]+L*o,e[2]+L*o)}}n.addGroup(t,i.length/3-t,0)}(),function(){const t=i.length/3;let e=0;z(T,e),e+=T.length;for(let t=0,n=S.length;t<n;t++){const n=S[t];z(n,e),e+=n.length}n.addGroup(t,i.length/3-t,1)}()}this.setAttribute("position",new lt(i,3)),this.setAttribute("uv",new lt(r,2)),this.computeVertexNormals()}toJSON(){const t=Fe.prototype.toJSON.call(this);return function(t,e,n){if(n.shapes=[],Array.isArray(t))for(let e=0,i=t.length;e<i;e++){const i=t[e];n.shapes.push(i.uuid)}else n.shapes.push(t.uuid);void 0!==e.extrudePath&&(n.options.extrudePath=e.extrudePath.toJSON());return n}(this.parameters.shapes,this.parameters.options,t)}}const Fs={generateTopUV:function(t,e,n,i,r){const s=e[3*n],a=e[3*n+1],o=e[3*i],l=e[3*i+1],c=e[3*r],h=e[3*r+1];return[new V(s,a),new V(o,l),new V(c,h)]},generateSideWallUV:function(t,e,n,i,r,s){const a=e[3*n],o=e[3*n+1],l=e[3*n+2],c=e[3*i],h=e[3*i+1],u=e[3*i+2],d=e[3*r],p=e[3*r+1],m=e[3*r+2],f=e[3*s],g=e[3*s+1],v=e[3*s+2];return Math.abs(o-h)<.01?[new V(a,1-l),new V(c,1-u),new V(d,1-m),new V(f,1-v)]:[new V(o,1-l),new V(h,1-u),new V(p,1-m),new V(g,1-v)]}};class Bs extends ns{constructor(t=1,e=0){const n=(1+Math.sqrt(5))/2;super([-1,n,0,1,n,0,-1,-n,0,1,-n,0,0,-1,n,0,1,n,0,-1,-n,0,1,-n,n,0,-1,n,0,1,-n,0,-1,-n,0,1],[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],t,e),this.type="IcosahedronGeometry",this.parameters={radius:t,detail:e}}}class Gs extends Fe{constructor(t,e=12,n=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:n,phiLength:i},e=Math.floor(e),i=F.clamp(i,0,2*Math.PI);const r=[],s=[],a=[],o=1/e,l=new G,c=new V;for(let r=0;r<=e;r++){const h=n+r*o*i,u=Math.sin(h),d=Math.cos(h);for(let n=0;n<=t.length-1;n++)l.x=t[n].x*u,l.y=t[n].y,l.z=t[n].x*d,s.push(l.x,l.y,l.z),c.x=r/e,c.y=n/(t.length-1),a.push(c.x,c.y)}for(let n=0;n<e;n++)for(let e=0;e<t.length-1;e++){const i=e+n*t.length,s=i,a=i+t.length,o=i+t.length+1,l=i+1;r.push(s,a,l),r.push(a,o,l)}if(this.setIndex(r),this.setAttribute("position",new lt(s,3)),this.setAttribute("uv",new lt(a,2)),this.computeVertexNormals(),i===2*Math.PI){const n=this.attributes.normal.array,i=new G,r=new G,s=new G,a=e*t.length*3;for(let e=0,o=0;e<t.length;e++,o+=3)i.x=n[o+0],i.y=n[o+1],i.z=n[o+2],r.x=n[a+o+0],r.y=n[a+o+1],r.z=n[a+o+2],s.addVectors(i,r).normalize(),n[o+0]=n[a+o+0]=s.x,n[o+1]=n[a+o+1]=s.y,n[o+2]=n[a+o+2]=s.z}}}class ks extends ns{constructor(t=1,e=0){super([1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],t,e),this.type="OctahedronGeometry",this.parameters={radius:t,detail:e}}}function Hs(t,e,n){Fe.call(this),this.type="ParametricGeometry",this.parameters={func:t,slices:e,stacks:n};const i=[],r=[],s=[],a=[],o=1e-5,l=new G,c=new G,h=new G,u=new G,d=new G;t.length<3&&console.error("THREE.ParametricGeometry: Function must now modify a Vector3 as third parameter.");const p=e+1;for(let i=0;i<=n;i++){const p=i/n;for(let n=0;n<=e;n++){const i=n/e;t(i,p,c),r.push(c.x,c.y,c.z),i-o>=0?(t(i-o,p,h),u.subVectors(c,h)):(t(i+o,p,h),u.subVectors(h,c)),p-o>=0?(t(i,p-o,h),d.subVectors(c,h)):(t(i,p+o,h),d.subVectors(h,c)),l.crossVectors(u,d).normalize(),s.push(l.x,l.y,l.z),a.push(i,p)}}for(let t=0;t<n;t++)for(let n=0;n<e;n++){const e=t*p+n,r=t*p+n+1,s=(t+1)*p+n+1,a=(t+1)*p+n;i.push(e,r,a),i.push(r,s,a)}this.setIndex(i),this.setAttribute("position",new lt(r,3)),this.setAttribute("normal",new lt(s,3)),this.setAttribute("uv",new lt(a,2))}Hs.prototype=Object.create(Fe.prototype),Hs.prototype.constructor=Hs;class Vs extends Fe{constructor(t=1,e=1,n=1,i=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:n,heightSegments:i};const r=t/2,s=e/2,a=Math.floor(n),o=Math.floor(i),l=a+1,c=o+1,h=t/a,u=e/o,d=[],p=[],m=[],f=[];for(let t=0;t<c;t++){const e=t*u-s;for(let n=0;n<l;n++){const i=n*h-r;p.push(i,-e,0),m.push(0,0,1),f.push(n/a),f.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const n=e+l*t,i=e+l*(t+1),r=e+1+l*(t+1),s=e+1+l*t;d.push(n,i,s),d.push(i,r,s)}this.setIndex(d),this.setAttribute("position",new lt(p,3)),this.setAttribute("normal",new lt(m,3)),this.setAttribute("uv",new lt(f,2))}}class Ws extends Fe{constructor(t=.5,e=1,n=8,i=1,r=0,s=2*Math.PI){super(),this.type="RingGeometry",this.parameters={innerRadius:t,outerRadius:e,thetaSegments:n,phiSegments:i,thetaStart:r,thetaLength:s},n=Math.max(3,n);const a=[],o=[],l=[],c=[];let h=t;const u=(e-t)/(i=Math.max(1,i)),d=new G,p=new V;for(let t=0;t<=i;t++){for(let t=0;t<=n;t++){const i=r+t/n*s;d.x=h*Math.cos(i),d.y=h*Math.sin(i),o.push(d.x,d.y,d.z),l.push(0,0,1),p.x=(d.x/e+1)/2,p.y=(d.y/e+1)/2,c.push(p.x,p.y)}h+=u}for(let t=0;t<i;t++){const e=t*(n+1);for(let t=0;t<n;t++){const i=t+e,r=i,s=i+n+1,o=i+n+2,l=i+1;a.push(r,s,l),a.push(s,o,l)}}this.setIndex(a),this.setAttribute("position",new lt(o,3)),this.setAttribute("normal",new lt(l,3)),this.setAttribute("uv",new lt(c,2))}}class js extends Fe{constructor(t,e=12){super(),this.type="ShapeGeometry",this.parameters={shapes:t,curveSegments:e};const n=[],i=[],r=[],s=[];let a=0,o=0;if(!1===Array.isArray(t))l(t);else for(let e=0;e<t.length;e++)l(t[e]),this.addGroup(a,o,e),a+=o,o=0;function l(t){const a=i.length/3,l=t.extractPoints(e);let c=l.shape;const h=l.holes;!1===Is.isClockWise(c)&&(c=c.reverse());for(let t=0,e=h.length;t<e;t++){const e=h[t];!0===Is.isClockWise(e)&&(h[t]=e.reverse())}const u=Is.triangulateShape(c,h);for(let t=0,e=h.length;t<e;t++){const e=h[t];c=c.concat(e)}for(let t=0,e=c.length;t<e;t++){const e=c[t];i.push(e.x,e.y,0),r.push(0,0,1),s.push(e.x,e.y)}for(let t=0,e=u.length;t<e;t++){const e=u[t],i=e[0]+a,r=e[1]+a,s=e[2]+a;n.push(i,r,s),o+=3}}this.setIndex(n),this.setAttribute("position",new lt(i,3)),this.setAttribute("normal",new lt(r,3)),this.setAttribute("uv",new lt(s,2))}toJSON(){const t=Fe.prototype.toJSON.call(this);return function(t,e){if(e.shapes=[],Array.isArray(t))for(let n=0,i=t.length;n<i;n++){const i=t[n];e.shapes.push(i.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)}}class Xs extends Fe{constructor(t=1,e=8,n=6,i=0,r=2*Math.PI,s=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:n,phiStart:i,phiLength:r,thetaStart:s,thetaLength:a},e=Math.max(3,Math.floor(e)),n=Math.max(2,Math.floor(n));const o=Math.min(s+a,Math.PI);let l=0;const c=[],h=new G,u=new G,d=[],p=[],m=[],f=[];for(let d=0;d<=n;d++){const g=[],v=d/n;let y=0;0==d&&0==s?y=.5/e:d==n&&o==Math.PI&&(y=-.5/e);for(let n=0;n<=e;n++){const o=n/e;h.x=-t*Math.cos(i+o*r)*Math.sin(s+v*a),h.y=t*Math.cos(s+v*a),h.z=t*Math.sin(i+o*r)*Math.sin(s+v*a),p.push(h.x,h.y,h.z),u.copy(h).normalize(),m.push(u.x,u.y,u.z),f.push(o+y,1-v),g.push(l++)}c.push(g)}for(let t=0;t<n;t++)for(let i=0;i<e;i++){const e=c[t][i+1],r=c[t][i],a=c[t+1][i],l=c[t+1][i+1];(0!==t||s>0)&&d.push(e,r,l),(t!==n-1||o<Math.PI)&&d.push(r,a,l)}this.setIndex(d),this.setAttribute("position",new lt(p,3)),this.setAttribute("normal",new lt(m,3)),this.setAttribute("uv",new lt(f,2))}}class qs extends ns{constructor(t=1,e=0){super([1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],t,e),this.type="TetrahedronGeometry",this.parameters={radius:t,detail:e}}}class Ys extends Us{constructor(t,e={}){const n=e.font;if(!n||!n.isFont)return console.error("THREE.TextGeometry: font parameter is not an instance of THREE.Font."),new Fe;const i=n.generateShapes(t,e.size);e.depth=void 0!==e.height?e.height:50,void 0===e.bevelThickness&&(e.bevelThickness=10),void 0===e.bevelSize&&(e.bevelSize=8),void 0===e.bevelEnabled&&(e.bevelEnabled=!1),super(i,e),this.type="TextGeometry"}}class Zs extends Fe{constructor(t=1,e=.4,n=8,i=6,r=2*Math.PI){super(),this.type="TorusGeometry",this.parameters={radius:t,tube:e,radialSegments:n,tubularSegments:i,arc:r},n=Math.floor(n),i=Math.floor(i);const s=[],a=[],o=[],l=[],c=new G,h=new G,u=new G;for(let s=0;s<=n;s++)for(let d=0;d<=i;d++){const p=d/i*r,m=s/n*Math.PI*2;h.x=(t+e*Math.cos(m))*Math.cos(p),h.y=(t+e*Math.cos(m))*Math.sin(p),h.z=e*Math.sin(m),a.push(h.x,h.y,h.z),c.x=t*Math.cos(p),c.y=t*Math.sin(p),u.subVectors(h,c).normalize(),o.push(u.x,u.y,u.z),l.push(d/i),l.push(s/n)}for(let t=1;t<=n;t++)for(let e=1;e<=i;e++){const n=(i+1)*t+e-1,r=(i+1)*(t-1)+e-1,a=(i+1)*(t-1)+e,o=(i+1)*t+e;s.push(n,r,o),s.push(r,a,o)}this.setIndex(s),this.setAttribute("position",new lt(a,3)),this.setAttribute("normal",new lt(o,3)),this.setAttribute("uv",new lt(l,2))}}class Js extends Fe{constructor(t=1,e=.4,n=64,i=8,r=2,s=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:t,tube:e,tubularSegments:n,radialSegments:i,p:r,q:s},n=Math.floor(n),i=Math.floor(i);const a=[],o=[],l=[],c=[],h=new G,u=new G,d=new G,p=new G,m=new G,f=new G,g=new G;for(let a=0;a<=n;++a){const y=a/n*r*Math.PI*2;v(y,r,s,t,d),v(y+.01,r,s,t,p),f.subVectors(p,d),g.addVectors(p,d),m.crossVectors(f,g),g.crossVectors(m,f),m.normalize(),g.normalize();for(let t=0;t<=i;++t){const r=t/i*Math.PI*2,s=-e*Math.cos(r),p=e*Math.sin(r);h.x=d.x+(s*g.x+p*m.x),h.y=d.y+(s*g.y+p*m.y),h.z=d.z+(s*g.z+p*m.z),o.push(h.x,h.y,h.z),u.subVectors(h,d).normalize(),l.push(u.x,u.y,u.z),c.push(a/n),c.push(t/i)}}for(let t=1;t<=n;t++)for(let e=1;e<=i;e++){const n=(i+1)*(t-1)+(e-1),r=(i+1)*t+(e-1),s=(i+1)*t+e,o=(i+1)*(t-1)+e;a.push(n,r,o),a.push(r,s,o)}function v(t,e,n,i,r){const s=Math.cos(t),a=Math.sin(t),o=n/e*t,l=Math.cos(o);r.x=i*(2+l)*.5*s,r.y=i*(2+l)*a*.5,r.z=i*Math.sin(o)*.5}this.setIndex(a),this.setAttribute("position",new lt(o,3)),this.setAttribute("normal",new lt(l,3)),this.setAttribute("uv",new lt(c,2))}}class Ks extends Fe{constructor(t,e=64,n=1,i=8,r=!1){super(),this.type="TubeGeometry",this.parameters={path:t,tubularSegments:e,radius:n,radialSegments:i,closed:r};const s=t.computeFrenetFrames(e,r);this.tangents=s.tangents,this.normals=s.normals,this.binormals=s.binormals;const a=new G,o=new G,l=new V;let c=new G;const h=[],u=[],d=[],p=[];function m(r){c=t.getPointAt(r/e,c);const l=s.normals[r],d=s.binormals[r];for(let t=0;t<=i;t++){const e=t/i*Math.PI*2,r=Math.sin(e),s=-Math.cos(e);o.x=s*l.x+r*d.x,o.y=s*l.y+r*d.y,o.z=s*l.z+r*d.z,o.normalize(),u.push(o.x,o.y,o.z),a.x=c.x+n*o.x,a.y=c.y+n*o.y,a.z=c.z+n*o.z,h.push(a.x,a.y,a.z)}}!function(){for(let t=0;t<e;t++)m(t);m(!1===r?e:0),function(){for(let t=0;t<=e;t++)for(let n=0;n<=i;n++)l.x=t/e,l.y=n/i,d.push(l.x,l.y)}(),function(){for(let t=1;t<=e;t++)for(let e=1;e<=i;e++){const n=(i+1)*(t-1)+(e-1),r=(i+1)*t+(e-1),s=(i+1)*t+e,a=(i+1)*(t-1)+e;p.push(n,r,a),p.push(r,s,a)}}()}(),this.setIndex(p),this.setAttribute("position",new lt(h,3)),this.setAttribute("normal",new lt(u,3)),this.setAttribute("uv",new lt(d,2))}toJSON(){const t=Fe.prototype.toJSON.call(this);return t.path=this.parameters.path.toJSON(),t}}class Qs extends Fe{constructor(t){if(super(),this.type="WireframeGeometry",!0===t.isGeometry)return void console.error("THREE.WireframeGeometry no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");const e=[],n=[0,0],i={},r=new G;if(null!==t.index){const s=t.attributes.position,a=t.index;let o=t.groups;0===o.length&&(o=[{start:0,count:a.count,materialIndex:0}]);for(let t=0,e=o.length;t<e;++t){const e=o[t],r=e.start;for(let t=r,s=r+e.count;t<s;t+=3)for(let e=0;e<3;e++){const r=a.getX(t+e),s=a.getX(t+(e+1)%3);n[0]=Math.min(r,s),n[1]=Math.max(r,s);const o=n[0]+","+n[1];void 0===i[o]&&(i[o]={index1:n[0],index2:n[1]})}}for(const t in i){const n=i[t];r.fromBufferAttribute(s,n.index1),e.push(r.x,r.y,r.z),r.fromBufferAttribute(s,n.index2),e.push(r.x,r.y,r.z)}}else{const n=t.attributes.position;for(let t=0,i=n.count/3;t<i;t++)for(let i=0;i<3;i++){const s=3*t+i;r.fromBufferAttribute(n,s),e.push(r.x,r.y,r.z);const a=3*t+(i+1)%3;r.fromBufferAttribute(n,a),e.push(r.x,r.y,r.z)}}this.setAttribute("position",new lt(e,3))}}const $s={UVMapping:300,CubeReflectionMapping:o,CubeRefractionMapping:l,EquirectangularReflectionMapping:303,EquirectangularRefractionMapping:304,CubeUVReflectionMapping:c,CubeUVRefractionMapping:h},ta={RepeatWrapping:u,ClampToEdgeWrapping:d,MirroredRepeatWrapping:p},ea={NearestFilter:m,NearestMipmapNearestFilter:f,NearestMipmapLinearFilter:g,LinearFilter:v,LinearMipmapNearestFilter:1007,LinearMipmapLinearFilter:y};function na(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function ia(t,e){const n=e.isWebGL2,i=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),i.get(t)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);const n=i.get(e);n&&(t.deleteBuffer(n.buffer),i.delete(e))},update:function(e,r){if(e.isGLBufferAttribute){const t=i.get(e);return void((!t||t.version<e.version)&&i.set(e,{buffer:e.buffer,type:e.type,bytesPerElement:e.elementSize,version:e.version}))}e.isInterleavedBufferAttribute&&(e=e.data);const s=i.get(e);void 0===s?i.set(e,function(e,i){const r=e.array,s=e.usage,a=t.createBuffer();t.bindBuffer(i,a),t.bufferData(i,r,s),e.onUploadCallback();let o=t.FLOAT;return r instanceof Float32Array?o=t.FLOAT:r instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):r instanceof Uint16Array?e.isFloat16BufferAttribute?n?o=t.HALF_FLOAT:console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."):o=t.UNSIGNED_SHORT:r instanceof Int16Array?o=t.SHORT:r instanceof Uint32Array?o=t.UNSIGNED_INT:r instanceof Int32Array?o=t.INT:r instanceof Int8Array?o=t.BYTE:r instanceof Uint8Array&&(o=t.UNSIGNED_BYTE),{buffer:a,type:o,bytesPerElement:r.BYTES_PER_ELEMENT,version:e.version}}(e,r)):s.version<e.version&&(!function(e,i,r){const s=i.array,a=i.updateRange;t.bindBuffer(r,e),-1===a.count?t.bufferSubData(r,0,s):(n?t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s,a.offset,a.count):t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s.subarray(a.offset,a.offset+a.count)),a.count=-1)}(s.buffer,e,r),s.version=e.version)}}}const ra={alphamap_fragment:"\n#ifdef USE_ALPHAMAP\n\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n\n#endif\n",alphamap_pars_fragment:"\n#ifdef USE_ALPHAMAP\n\n\tuniform sampler2D alphaMap;\n\n#endif\n",alphatest_fragment:"\n#ifdef ALPHATEST\n\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n\n#endif\n",aomap_fragment:"\n#ifdef USE_AOMAP\n\n\t// reads channel R, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\n\t#endif\n\n#endif\n",aomap_pars_fragment:"\n#ifdef USE_AOMAP\n\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n\n#endif\n",begin_vertex:"\nvec3 transformed = vec3( position );\n",beginnormal_vertex:"\nvec3 objectNormal = vec3( normal );\n\n#ifdef USE_TANGENT\n\n\tvec3 objectTangent = vec3( tangent.xyz );\n\n#endif\n",bsdfs:'\n\n// Analytical approximation of the DFG LUT, one half of the\n// split-sum approximation used in indirect specular lighting.\n// via \'environmentBRDF\' from "Physically Based Shading on Mobile"\n// https://www.unrealengine.com/blog/physically-based-shading-on-mobile - environmentBRDF for GGX on mobile\nvec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\n\tvec4 r = roughness * c0 + c1;\n\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\n\treturn vec2( -1.04, 1.04 ) * a004 + r.zw;\n\n}\n\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\n\t// based upon Frostbite 3 Moving to Physically-based Rendering\n\t// page 32, equation 26: E[window1]\n\t// https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\n\t// this is intended to be used on spot and point lights who are represented as luminous intensity\n\t// but who must be converted to luminous irradiance for surface lighting calculation\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\n\tif( cutoffDistance > 0.0 ) {\n\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\n\t}\n\n\treturn distanceFalloff;\n\n#else\n\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\n\t}\n\n\treturn 1.0;\n\n#endif\n\n}\n\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\n\treturn RECIPROCAL_PI * diffuseColor;\n\n} // validated\n\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\n\t// Original approximation by Christophe Schlick \'94\n\t// float fresnel = pow( 1.0 - dotLH, 5.0 );\n\n\t// Optimized variant (presented by Epic at SIGGRAPH \'13)\n\t// https://cdn2.unrealengine.com/Resources/files/2013SiggraphPresentationsNotes-26915738.pdf\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n\n} // validated\n\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\n\t// See F_Schlick\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\n\treturn Fr * fresnel + F0;\n\n}\n\n\n// Microfacet Models for Refraction through Rough Surfaces - equation (34)\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\n// alpha is "roughness squared" in Disney’s reparameterization\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\n\t// geometry term (normalized) = G(l)⋅G(v) / 4(n⋅l)(n⋅v)\n\t// also see #12151\n\n\tfloat a2 = pow2( alpha );\n\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\n\treturn 1.0 / ( gl * gv );\n\n} // validated\n\n// Moving Frostbite to Physically Based Rendering 3.0 - page 12, listing 2\n// https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\n\tfloat a2 = pow2( alpha );\n\n\t// dotNL and dotNV are explicitly swapped. This is not a mistake.\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\n\treturn 0.5 / max( gv + gl, EPSILON );\n\n}\n\n// Microfacet Models for Refraction through Rough Surfaces - equation (33)\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\n// alpha is "roughness squared" in Disney’s reparameterization\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\n\tfloat a2 = pow2( alpha );\n\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; // avoid alpha = 0 with dotNH = 1\n\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n\n}\n\n// GGX Distribution, Schlick Fresnel, GGX-Smith Visibility\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\n\tfloat alpha = pow2( roughness ); // UE4\'s roughness\n\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\n\tfloat D = D_GGX( alpha, dotNH );\n\n\treturn F * ( G * D );\n\n} // validated\n\n// Rect Area Light\n\n// Real-Time Polygonal-Light Shading with Linearly Transformed Cosines\n// by Eric Heitz, Jonathan Dupuy, Stephen Hill and David Neubelt\n// code: https://github.com/selfshadow/ltc_code/\n\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\n\tfloat dotNV = saturate( dot( N, V ) );\n\n\t// texture parameterized by sqrt( GGX alpha ) and sqrt( 1 - cos( theta ) )\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\n\treturn uv;\n\n}\n\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\n\t// Real-Time Area Lighting: a Journey from Research to Production (p.102)\n\t// An approximation of the form factor of a horizon-clipped rectangle.\n\n\tfloat l = length( f );\n\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n\n}\n\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\n\tfloat x = dot( v1, v2 );\n\n\tfloat y = abs( x );\n\n\t// rational polynomial approximation to theta / sin( theta ) / 2PI\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\n\treturn cross( v1, v2 ) * theta_sintheta;\n\n}\n\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\n\t// bail if point is on back side of plane of light\n\t// assumes ccw winding order of light vertices\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\n\t// construct orthonormal basis around N\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 ); // negated from paper; possibly due to a different handedness of world coordinate system\n\n\t// compute transform\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\n\t// transform rect\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\n\t// project rect onto sphere\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\n\t// calculate vector form factor\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\n\t// adjust for horizon clipping\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\n/*\n\t// alternate method of adjusting for horizon clipping (see referece)\n\t// refactoring required\n\tfloat len = length( vectorFormFactor );\n\tfloat z = vectorFormFactor.z / len;\n\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\n\t// tabulated horizon-clipped sphere, apparently...\n\tvec2 uv = vec2( z * 0.5 + 0.5, len );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\n\tfloat scale = texture2D( ltc_2, uv ).w;\n\n\tfloat result = len * scale;\n*/\n\n\treturn vec3( result );\n\n}\n\n// End Rect Area Light\n\n// ref: https://www.unrealengine.com/blog/physically-based-shading-on-mobile - environmentBRDF for GGX on mobile\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\n\treturn specularColor * brdf.x + brdf.y;\n\n} // validated\n\n// Fdez-Agüera\'s "Multiple-Scattering Microfacet Model for Real-Time Image Based Lighting"\n// Approximates multiscattering in order to preserve energy.\n// http://www.jcgt.org/published/0008/01/03/\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619; // 1/21\n\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n\n}\n\nfloat G_BlinnPhong_Implicit( /* const in float dotNL, const in float dotNV */ ) {\n\n\t// geometry term is (n dot l)(n dot v) / 4(n dot l)(n dot v)\n\treturn 0.25;\n\n}\n\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n\n}\n\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\n\t//float dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\t//float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\n\tfloat G = G_BlinnPhong_Implicit( /* dotNL, dotNV */ );\n\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\n\treturn F * ( G * D );\n\n} // validated\n\n// source: http://simonstechblog.blogspot.ca/2011/12/microfacet-brdf.html\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\n\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n\n#if defined( USE_SHEEN )\n\n// https://github.com/google/filament/blob/master/shaders/src/brdf.fs#L94\nfloat D_Charlie(float roughness, float NoH) {\n\t// Estevez and Kulla 2017, "Production Friendly Microfacet Sheen BRDF"\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125); // 2^(-14/2), so sin2h^2 > 0 in fp16\n\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\n\n// https://github.com/google/filament/blob/master/shaders/src/brdf.fs#L136\nfloat V_Neubelt(float NoV, float NoL) {\n\t// Neubelt and Pettineo 2013, "Crafting a Next-gen Material Pipeline for The Order: 1886"\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\n\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n\n}\n\n#endif\n',bumpmap_pars_fragment:"\n#ifdef USE_BUMPMAP\n\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\n\t// Bump Mapping Unparametrized Surfaces on the GPU by Morten S. Mikkelsen\n\t// http://api.unrealengine.com/attachments/Engine/Rendering/LightingAndShadows/BumpMappingWithoutTangentSpace/mm_sfgrad_bump.pdf\n\n\t// Evaluate the derivative of the height w.r.t. screen-space using forward differencing (listing 2)\n\n\tvec2 dHdxy_fwd() {\n\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\n\t\treturn vec2( dBx, dBy );\n\n\t}\n\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\n\t\t// Workaround for Adreno 3XX dFd*( vec3 ) bug. See #9988\n\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\t\t// normalized\n\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\n\t}\n\n#endif\n",clipping_planes_fragment:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvec4 plane;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\n\t\tbool clipped = true;\n\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\n\t\t}\n\t\t#pragma unroll_loop_end\n\n\t\tif ( clipped ) discard;\n\n\t#endif\n\n#endif\n",clipping_planes_pars_fragment:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvarying vec3 vClipPosition;\n\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n\n#endif\n",clipping_planes_pars_vertex:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvarying vec3 vClipPosition;\n\n#endif\n",clipping_planes_vertex:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvClipPosition = - mvPosition.xyz;\n\n#endif\n",color_fragment:"\n#ifdef USE_COLOR\n\n\tdiffuseColor.rgb *= vColor;\n\n#endif\n",color_pars_fragment:"\n#ifdef USE_COLOR\n\n\tvarying vec3 vColor;\n\n#endif\n",color_pars_vertex:"\n#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\n\tvarying vec3 vColor;\n\n#endif\n",color_vertex:"\n#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\n\tvColor = vec3( 1.0 );\n\n#endif\n\n#ifdef USE_COLOR\n\n\tvColor.xyz *= color.xyz;\n\n#endif\n\n#ifdef USE_INSTANCING_COLOR\n\n\tvColor.xyz *= instanceColor.xyz;\n\n#endif\n",common:"\n#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n\n#ifndef saturate\n// <tonemapping_pars_fragment> may have defined saturate() already\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\n\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\n// expects values in the range of [0,1]x[0,1], returns values in the [0,1] range.\n// do not collapse into a single function per: http://byteblacksmith.com/improvements-to-the-canonical-one-liner-glsl-rand-for-opengl-es-2-0/\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\n\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\n\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\n\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n}\n\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t// dir can be either a direction vector or a normal vector\n\t// upper-left 3x3 of matrix is assumed to be orthogonal\n\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n\n}\n\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\n\treturn - distance * planeNormal + point;\n\n}\n\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n\n}\n\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n\n}\n\nmat3 transposeMat3( const in mat3 m ) {\n\n\tmat3 tmp;\n\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\n\treturn tmp;\n\n}\n\n// https://en.wikipedia.org/wiki/Relative_luminance\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\n\treturn dot( weights, color.rgb );\n\n}\n\nbool isPerspectiveMatrix( mat4 m ) {\n\n\treturn m[ 2 ][ 3 ] == - 1.0;\n\n}\n\nvec2 equirectUv( in vec3 dir ) {\n\n\t// dir is assumed to be unit length\n\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\n\treturn vec2( u, v );\n\n}\n",cube_uv_reflection_fragment:"\n#ifdef ENVMAP_TYPE_CUBE_UV\n\n\t#define cubeUV_maxMipLevel 8.0\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_maxTileSize 256.0\n\t#define cubeUV_minTileSize 16.0\n\n\t// These shader functions convert between the UV coordinates of a single face of\n\t// a cubemap, the 0-5 integer index of a cube face, and the direction vector for\n\t// sampling a textureCube (not generally normalized ).\n\n\tfloat getFace( vec3 direction ) {\n\n\t\tvec3 absDirection = abs( direction );\n\n\t\tfloat face = - 1.0;\n\n\t\tif ( absDirection.x > absDirection.z ) {\n\n\t\t\tif ( absDirection.x > absDirection.y )\n\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\n\t\t\telse\n\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\n\t\t} else {\n\n\t\t\tif ( absDirection.z > absDirection.y )\n\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\n\t\t\telse\n\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\n\t\t}\n\n\t\treturn face;\n\n\t}\n\n\t// RH coordinate system; PMREM face-indexing convention\n\tvec2 getUV( vec3 direction, float face ) {\n\n\t\tvec2 uv;\n\n\t\tif ( face == 0.0 ) {\n\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x ); // pos x\n\n\t\t} else if ( face == 1.0 ) {\n\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y ); // pos y\n\n\t\t} else if ( face == 2.0 ) {\n\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z ); // pos z\n\n\t\t} else if ( face == 3.0 ) {\n\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x ); // neg x\n\n\t\t} else if ( face == 4.0 ) {\n\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y ); // neg y\n\n\t\t} else {\n\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z ); // neg z\n\n\t\t}\n\n\t\treturn 0.5 * ( uv + 1.0 );\n\n\t}\n\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\n\t\tfloat face = getFace( direction );\n\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\n\t\tfloat faceSize = exp2( mipInt );\n\n\t\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\n\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\n\n\t\tvec2 f = fract( uv );\n\n\t\tuv += 0.5 - f;\n\n\t\tif ( face > 2.0 ) {\n\n\t\t\tuv.y += faceSize;\n\n\t\t\tface -= 3.0;\n\n\t\t}\n\n\t\tuv.x += face * faceSize;\n\n\t\tif ( mipInt < cubeUV_maxMipLevel ) {\n\n\t\t\tuv.y += 2.0 * cubeUV_maxTileSize;\n\n\t\t}\n\n\t\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\n\n\t\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\n\n\t\tuv *= texelSize;\n\n\t\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tuv.x += texelSize;\n\n\t\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tuv.y += texelSize;\n\n\t\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tuv.x -= texelSize;\n\n\t\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\n\t\tvec3 tm = mix( tl, tr, f.x );\n\n\t\tvec3 bm = mix( bl, br, f.x );\n\n\t\treturn mix( tm, bm, f.y );\n\n\t}\n\n\t// These defines must match with PMREMGenerator\n\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\n\tfloat roughnessToMip( float roughness ) {\n\n\t\tfloat mip = 0.0;\n\n\t\tif ( roughness >= r1 ) {\n\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\n\t\t} else if ( roughness >= r4 ) {\n\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\n\t\t} else if ( roughness >= r5 ) {\n\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\n\t\t} else if ( roughness >= r6 ) {\n\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\n\t\t} else {\n\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness ); // 1.16 = 1.79^0.25\n\t\t}\n\n\t\treturn mip;\n\n\t}\n\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\n\n\t\tfloat mipF = fract( mip );\n\n\t\tfloat mipInt = floor( mip );\n\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\n\t\tif ( mipF == 0.0 ) {\n\n\t\t\treturn vec4( color0, 1.0 );\n\n\t\t} else {\n\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\n\t\t}\n\n\t}\n\n#endif\n",defaultnormal_vertex:"\nvec3 transformedNormal = objectNormal;\n\n#ifdef USE_INSTANCING\n\n\t// this is in lieu of a per-instance normal-matrix\n\t// shear transforms in the instance matrix are not supported\n\n\tmat3 m = mat3( instanceMatrix );\n\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\n\ttransformedNormal = m * transformedNormal;\n\n#endif\n\ntransformedNormal = normalMatrix * transformedNormal;\n\n#ifdef FLIP_SIDED\n\n\ttransformedNormal = - transformedNormal;\n\n#endif\n\n#ifdef USE_TANGENT\n\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\n\t#ifdef FLIP_SIDED\n\n\t\ttransformedTangent = - transformedTangent;\n\n\t#endif\n\n#endif\n",displacementmap_pars_vertex:"\n#ifdef USE_DISPLACEMENTMAP\n\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n\n#endif\n",displacementmap_vertex:"\n#ifdef USE_DISPLACEMENTMAP\n\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n\n#endif\n",emissivemap_fragment:"\n#ifdef USE_EMISSIVEMAP\n\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n\n#endif\n",emissivemap_pars_fragment:"\n#ifdef USE_EMISSIVEMAP\n\n\tuniform sampler2D emissiveMap;\n\n#endif\n",encodings_fragment:"\ngl_FragColor = linearToOutputTexel( gl_FragColor );\n",encodings_pars_fragment:"\n// For a discussion of what this is, please read this: http://lousodrome.net/blog/light/2013/05/26/gamma-correct-and-hdr-rendering-in-a-32-bits-buffer/\n\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\n\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\n\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\n\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\n\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\n\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\n\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n\t// return vec4( value.brg, ( 3.0 + 128.0 ) / 256.0 );\n}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\n\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\n\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\t// NOTE: The implementation with min causes the shader to not compile on\n\t// a common Alcatel A502DL in Chrome 78/Android 8.1. Some research suggests \n\t// that the chipset is Mediatek MT6739 w/ IMG PowerVR GE8100 GPU.\n\t// D = min( floor( D ) / 255.0, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\n\n// LogLuv reference: http://graphicrants.blogspot.ca/2009/04/rgbm-color-encoding.html\n\n// M matrix, for encoding\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\n\n// Inverse M matrix, for decoding\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}\n",envmap_fragment:"\n#ifdef USE_ENVMAP\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvec3 cameraToFrag;\n\n\t\tif ( isOrthographic ) {\n\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\n\t\t} else {\n\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\n\t\t}\n\n\t\t// Transforming Normal Vectors with the Inverse Transformation\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\n\t\t#else\n\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\n\t\t#endif\n\n\t#else\n\n\t\tvec3 reflectVec = vReflect;\n\n\t#endif\n\n\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\n\t#else\n\n\t\tvec4 envColor = vec4( 0.0 );\n\n\t#endif\n\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\n\t\tenvColor = envMapTexelToLinear( envColor );\n\n\t#endif\n\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\n\t#endif\n\n#endif\n",envmap_common_pars_fragment:"\n#ifdef USE_ENVMAP\n\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif\n",envmap_pars_fragment:"\n#ifdef USE_ENVMAP\n\n\tuniform float reflectivity;\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\n\t\t#define ENV_WORLDPOS\n\n\t#endif\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n\n#endif\n",envmap_pars_vertex:"\n#ifdef USE_ENVMAP\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\n\t\t#define ENV_WORLDPOS\n\n\t#endif\n\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\n\t#else\n\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\n\t#endif\n\n#endif\n",envmap_physical_pars_fragment:"\n#if defined( USE_ENVMAP )\n\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\n\tvec3 getLightProbeIndirectIrradiance( /*const in SpecularLightProbe specularLightProbe,*/ const in GeometricContext geometry, const in int maxMIPLevel ) {\n\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\n\t\t\t// TODO: replace with properly filtered cubemaps and access the irradiance LOD level, be it the last LOD level\n\t\t\t// of a specular cubemap, or just the default level of a specially created irradiance cubemap.\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\n\t\t\t#else\n\n\t\t\t\t// force the bias high to get the last LOD level as it is the most blurred.\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\n\t\t#else\n\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\n\t\t#endif\n\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\n\t}\n\n\t// Trowbridge-Reitz distribution to Mip level, following the logic of http://casual-effects.blogspot.ca/2011/08/plausible-environment-lighting-in-two.html\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\n\t\t// clamp to allowable LOD ranges.\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\n\t}\n\n\tvec3 getLightProbeIndirectRadiance( /*const in SpecularLightProbe specularLightProbe,*/ const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvec3 reflectVec = reflect( -viewDir, normal );\n\n\t\t\t// Mixing the reflection with the normal is more accurate and keeps rough objects from gathering light from behind their tangent plane.\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\n\t\t#else\n\n\t\t\tvec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\n\t\t#endif\n\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\n\t\t\t#else\n\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\n\t\t#endif\n\n\t\treturn envMapColor.rgb * envMapIntensity;\n\n\t}\n\n#endif\n",envmap_vertex:"\n#ifdef USE_ENVMAP\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvWorldPosition = worldPosition.xyz;\n\n\t#else\n\n\t\tvec3 cameraToVertex;\n\n\t\tif ( isOrthographic ) {\n\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\n\t\t} else {\n\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\n\t\t}\n\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\n\t\t#else\n\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\n\t\t#endif\n\n\t#endif\n\n#endif\n",fog_vertex:"\n#ifdef USE_FOG\n\n\tfogDepth = - mvPosition.z;\n\n#endif\n",fog_pars_vertex:"\n#ifdef USE_FOG\n\n\tvarying float fogDepth;\n\n#endif\n",fog_fragment:"\n#ifdef USE_FOG\n\n\t#ifdef FOG_EXP2\n\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\n\t#else\n\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\n\t#endif\n\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\n#endif\n",fog_pars_fragment:"\n#ifdef USE_FOG\n\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\n\t#ifdef FOG_EXP2\n\n\t\tuniform float fogDensity;\n\n\t#else\n\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\n\t#endif\n\n#endif\n",gradientmap_pars_fragment:"\n\n#ifdef USE_GRADIENTMAP\n\n\tuniform sampler2D gradientMap;\n\n#endif\n\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\n\t// dotNL will be from -1.0 to 1.0\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\n\t#ifdef USE_GRADIENTMAP\n\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\n\t#else\n\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\n\t#endif\n\n}\n",lightmap_fragment:"\n#ifdef USE_LIGHTMAP\n\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; // factor of PI should not be present; included here to prevent breakage\n\n#endif\n",lightmap_pars_fragment:"\n#ifdef USE_LIGHTMAP\n\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n\n#endif\n",lights_lambert_vertex:"\nvec3 diffuse = vec3( 1.0 );\n\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\n\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\n\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\n\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\n\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\n\n#ifdef DOUBLE_SIDED\n\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\n\n#endif\n\n#if NUM_POINT_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if NUM_SPOT_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n/*\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\n\t\t// TODO (abelnation): implement\n\n\t}\n\n#endif\n*/\n\n#if NUM_DIR_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if NUM_HEMI_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n",lights_pars_begin:"\nuniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\n\n// get the irradiance (radiance convolved with cosine lobe) at the point 'normal' on the unit sphere\n// source: https://graphics.stanford.edu/papers/envmap/envmap.pdf\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\n\t// normal is assumed to have unit length\n\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\n\t// band 0\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\n\t// band 1\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\n\t// band 2\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\n\treturn result;\n\n}\n\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\n\treturn irradiance;\n\n}\n\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\n\tvec3 irradiance = ambientLightColor;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI;\n\n\t#endif\n\n\treturn irradiance;\n\n}\n\n#if NUM_DIR_LIGHTS > 0\n\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\n\t}\n\n#endif\n\n\n#if NUM_POINT_LIGHTS > 0\n\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\n\t// directLight is an out parameter as having it as a return value caused compiler errors on some devices\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\n\t\tfloat lightDistance = length( lVector );\n\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\n\t}\n\n#endif\n\n\n#if NUM_SPOT_LIGHTS > 0\n\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\n\t// directLight is an out parameter as having it as a return value caused compiler errors on some devices\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\n\t\tif ( angleCos > spotLight.coneCos ) {\n\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\n\t\t} else {\n\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\n\t\t}\n\t}\n\n#endif\n\n\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\n\t// Pre-computed values of LinearTransformedCosine approximation of BRDF\n\t// BRDF approximation Texture is 64x64\n\tuniform sampler2D ltc_1; // RGBA Float\n\tuniform sampler2D ltc_2; // RGBA Float\n\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n\n#endif\n\n\n#if NUM_HEMI_LIGHTS > 0\n\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tirradiance *= PI;\n\n\t\t#endif\n\n\t\treturn irradiance;\n\n\t}\n\n#endif\n",lights_toon_fragment:"\nToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\n",lights_toon_pars_fragment:"\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n\nstruct ToonMaterial {\n\n\tvec3 diffuseColor;\n\n};\n\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n\n#define Material_LightProbeLOD( material )\t(0)\n",lights_phong_fragment:"\nBlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n",lights_phong_pars_fragment:"\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n\nstruct BlinnPhongMaterial {\n\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n\n};\n\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n\n}\n\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n\n#define Material_LightProbeLOD( material )\t(0)\n",lights_physical_fragment:"\nPhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\n\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\n\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );// 0.0525 corresponds to the base mip of a 256 cubemap.\nmaterial.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n\n#ifdef REFLECTIVITY\n\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\n#else\n\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n\n#endif\n\n#ifdef CLEARCOAT\n\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\n\t#ifdef USE_CLEARCOATMAP\n\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\n\t#endif\n\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\n\t#endif\n\n\tmaterial.clearcoat = saturate( material.clearcoat ); // Burley clearcoat model\n\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n\n#endif\n\n#ifdef USE_SHEEN\n\n\tmaterial.sheenColor = sheen;\n\n#endif\n",lights_physical_pars_fragment:"\nstruct PhysicalMaterial {\n\n\tvec3 diffuseColor;\n\tfloat specularRoughness;\n\tvec3 specularColor;\n\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n\n};\n\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\n\n// Clear coat directional hemishperical reflectance (this approximation should be improved)\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n\n}\n\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight; // counterclockwise; light shines in local neg z direction\n\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\n\t\t// LTC Fresnel Approximation by Stephen Hill\n\t\t// http://blog.selfshadow.com/publications/s2016-advances/s2016_ltc_fresnel.pdf\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\n\t}\n\n#endif\n\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\n\tvec3 irradiance = dotNL * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\t#ifdef CLEARCOAT\n\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tccIrradiance *= PI; // punctual light\n\n\t\t#endif\n\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\n\t#else\n\n\t\tfloat clearcoatDHR = 0.0;\n\n\t#endif\n\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\n\t#ifdef CLEARCOAT\n\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\n\t#else\n\n\t\tfloat clearcoatDHR = 0.0;\n\n\t#endif\n\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\n\t// Both indirect specular and indirect diffuse light accumulate here\n\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\n\n// ref: https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n\n}\n",lights_fragment_begin:"\n/**\n * This is a template that can be used to light a material, it uses pluggable\n * RenderEquations (RE)for specific lighting scenarios.\n *\n * Instructions for use:\n * - Ensure that both RE_Direct, RE_IndirectDiffuse and RE_IndirectSpecular are defined\n * - If you have defined an RE_IndirectSpecular, you need to also provide a Material_LightProbeLOD. <---- ???\n * - Create a material parameter that is to be passed as the third parameter to your lighting functions.\n *\n * TODO:\n * - Add area light support.\n * - Add sphere light support.\n * - Add diffuse light probe (irradiance cubemap) support.\n */\n\nGeometricContext geometry;\n\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n\n#ifdef CLEARCOAT\n\n\tgeometry.clearcoatNormal = clearcoatNormal;\n\n#endif\n\nIncidentLight directLight;\n\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tpointLight = pointLights[ i ];\n\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tspotLight = spotLights[ i ];\n\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tdirectionalLight = directionalLights[ i ];\n\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\tRectAreaLight rectAreaLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if defined( RE_IndirectDiffuse )\n\n\tvec3 iblIrradiance = vec3( 0.0 );\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\n\t\t}\n\t\t#pragma unroll_loop_end\n\n\t#endif\n\n#endif\n\n#if defined( RE_IndirectSpecular )\n\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n\n#endif\n",lights_fragment_maps:"\n#if defined( RE_IndirectDiffuse )\n\n\t#ifdef USE_LIGHTMAP\n\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tlightMapIrradiance *= PI; // factor of PI should not be present; included here to prevent breakage\n\n\t\t#endif\n\n\t\tirradiance += lightMapIrradiance;\n\n\t#endif\n\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( /*lightProbe,*/ geometry, maxMipLevel );\n\n\t#endif\n\n#endif\n\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\n\tradiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\n\t#ifdef CLEARCOAT\n\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\n\t#endif\n\n#endif\n",lights_fragment_end:"\n#if defined( RE_IndirectDiffuse )\n\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n\n#endif\n\n#if defined( RE_IndirectSpecular )\n\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n\n#endif\n",logdepthbuf_fragment:"\n#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\n\t// Doing a strict comparison with == 1.0 can cause noise artifacts\n\t// on some platforms. See issue #17623.\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n\n#endif\n",logdepthbuf_pars_fragment:"\n#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n\n#endif\n",logdepthbuf_pars_vertex:"\n#ifdef USE_LOGDEPTHBUF\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\n\t#else\n\n\t\tuniform float logDepthBufFC;\n\n\t#endif\n\n#endif\n",logdepthbuf_vertex:"\n#ifdef USE_LOGDEPTHBUF\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\n\t#else\n\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\n\t\t\tgl_Position.z *= gl_Position.w;\n\n\t\t}\n\n\t#endif\n\n#endif\n",map_fragment:"\n#ifdef USE_MAP\n\n\tvec4 texelColor = texture2D( map, vUv );\n\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n\n#endif\n",map_pars_fragment:"\n#ifdef USE_MAP\n\n\tuniform sampler2D map;\n\n#endif\n",map_particle_fragment:"\n#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\n#endif\n\n#ifdef USE_MAP\n\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n\n#endif\n\n#ifdef USE_ALPHAMAP\n\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n\n#endif\n",map_particle_pars_fragment:"\n#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\n\tuniform mat3 uvTransform;\n\n#endif\n\n#ifdef USE_MAP\n\n\tuniform sampler2D map;\n\n#endif\n\n#ifdef USE_ALPHAMAP\n\n\tuniform sampler2D alphaMap;\n\n#endif\n",metalnessmap_fragment:"\nfloat metalnessFactor = metalness;\n\n#ifdef USE_METALNESSMAP\n\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\n\t// reads channel B, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\tmetalnessFactor *= texelMetalness.b;\n\n#endif\n",metalnessmap_pars_fragment:"\n#ifdef USE_METALNESSMAP\n\n\tuniform sampler2D metalnessMap;\n\n#endif\n",morphnormal_vertex:"\n#ifdef USE_MORPHNORMALS\n\n\t// morphTargetBaseInfluence is set based on BufferGeometry.morphTargetsRelative value:\n\t// When morphTargetsRelative is false, this is set to 1 - sum(influences); this results in normal = sum((target - base) * influence)\n\t// When morphTargetsRelative is true, this is set to 1; as a result, all morph targets are simply added to the base after weighting\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\n#endif\n",morphtarget_pars_vertex:"\n#ifdef USE_MORPHTARGETS\n\n\tuniform float morphTargetBaseInfluence;\n\n\t#ifndef USE_MORPHNORMALS\n\n\t\tuniform float morphTargetInfluences[ 8 ];\n\n\t#else\n\n\t\tuniform float morphTargetInfluences[ 4 ];\n\n\t#endif\n\n#endif\n",morphtarget_vertex:"\n#ifdef USE_MORPHTARGETS\n\n\t// morphTargetBaseInfluence is set based on BufferGeometry.morphTargetsRelative value:\n\t// When morphTargetsRelative is false, this is set to 1 - sum(influences); this results in position = sum((target - base) * influence)\n\t// When morphTargetsRelative is true, this is set to 1; as a result, all morph targets are simply added to the base after weighting\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\n\t#ifndef USE_MORPHNORMALS\n\n\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\n\t#endif\n\n#endif\n",normal_fragment_begin:"\nfloat faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n\n#ifdef FLAT_SHADED\n\n\t// Workaround for Adreno GPUs not able to do dFdx( vViewPosition )\n\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n\n#else\n\n\tvec3 normal = normalize( vNormal );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\tnormal = normal * faceDirection;\n\n\t#endif\n\n\t#ifdef USE_TANGENT\n\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\n\t\t#endif\n\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\n\t\t#endif\n\n\t#endif\n\n#endif\n\n// non perturbed normal for clearcoat among others\n\nvec3 geometryNormal = normal;\n\n",normal_fragment_maps:"\n\n#ifdef OBJECTSPACE_NORMALMAP\n\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; // overrides both flatShading and attribute normals\n\n\t#ifdef FLIP_SIDED\n\n\t\tnormal = - normal;\n\n\t#endif\n\n\t#ifdef DOUBLE_SIDED\n\n\t\tnormal = normal * faceDirection;\n\n\t#endif\n\n\tnormal = normalize( normalMatrix * normal );\n\n#elif defined( TANGENTSPACE_NORMALMAP )\n\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\n\t#ifdef USE_TANGENT\n\n\t\tnormal = normalize( vTBN * mapN );\n\n\t#else\n\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN, faceDirection );\n\n\t#endif\n\n#elif defined( USE_BUMPMAP )\n\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd(), faceDirection );\n\n#endif\n",normalmap_pars_fragment:"\n#ifdef USE_NORMALMAP\n\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\n#endif\n\n#ifdef OBJECTSPACE_NORMALMAP\n\n\tuniform mat3 normalMatrix;\n\n#endif\n\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\n\t// Normal Mapping Without Precomputed Tangents\n\t// http://www.thetenthplanet.de/archives/1180\n\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\n\t\t// Workaround for Adreno 3XX dFd*( vec3 ) bug. See #9988\n\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\n\t\tvec3 N = surf_norm; // normalized\n\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\n\t}\n\n#endif\n",clearcoat_normal_fragment_begin:"\n#ifdef CLEARCOAT\n\n\tvec3 clearcoatNormal = geometryNormal;\n\n#endif\n",clearcoat_normal_fragment_maps:"\n#ifdef USE_CLEARCOAT_NORMALMAP\n\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\n\t#ifdef USE_TANGENT\n\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\n\t#else\n\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\n\t#endif\n\n#endif\n",clearcoat_pars_fragment:"\n\n#ifdef USE_CLEARCOATMAP\n\n\tuniform sampler2D clearcoatMap;\n\n#endif\n\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\n\tuniform sampler2D clearcoatRoughnessMap;\n\n#endif\n\n#ifdef USE_CLEARCOAT_NORMALMAP\n\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n\n#endif\n",packing:"\nvec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\n\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\n\nconst float PackUpscale = 256. / 255.; // fraction -> 0..1 (including 1)\nconst float UnpackDownscale = 255. / 256.; // 0..1 -> fraction (excluding 1)\n\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\n\nconst float ShiftRight8 = 1. / 256.;\n\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8; // tidy overflow\n\treturn r * PackUpscale;\n}\n\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\n\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ));\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w);\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\n\n// NOTE: viewZ/eyeZ is < 0 when in front of the camera per OpenGL conventions\n\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\n\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}\n",premultiplied_alpha_fragment:"\n#ifdef PREMULTIPLIED_ALPHA\n\n\t// Get get normal blending with premultipled, use with CustomBlending, OneFactor, OneMinusSrcAlphaFactor, AddEquation.\n\tgl_FragColor.rgb *= gl_FragColor.a;\n\n#endif\n",project_vertex:"\nvec4 mvPosition = vec4( transformed, 1.0 );\n\n#ifdef USE_INSTANCING\n\n\tmvPosition = instanceMatrix * mvPosition;\n\n#endif\n\nmvPosition = modelViewMatrix * mvPosition;\n\ngl_Position = projectionMatrix * mvPosition;\n",dithering_fragment:"\n#ifdef DITHERING\n\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n\n#endif\n",dithering_pars_fragment:"\n#ifdef DITHERING\n\n\t// based on https://www.shadertoy.com/view/MslGR8\n\tvec3 dithering( vec3 color ) {\n\t\t//Calculate grid position\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\n\t\t//Shift the individual colors differently, thus making it even harder to see the dithering pattern\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\n\t\t//modify shift acording to grid position.\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\n\t\t//shift the color by dither_shift\n\t\treturn color + dither_shift_RGB;\n\t}\n\n#endif\n",roughnessmap_fragment:"\nfloat roughnessFactor = roughness;\n\n#ifdef USE_ROUGHNESSMAP\n\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\n\t// reads channel G, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\troughnessFactor *= texelRoughness.g;\n\n#endif\n",roughnessmap_pars_fragment:"\n#ifdef USE_ROUGHNESSMAP\n\n\tuniform sampler2D roughnessMap;\n\n#endif\n",shadowmap_pars_fragment:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): create uniforms for area light shadows\n\n\t#endif\n\t*/\n\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\n\t}\n\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\n\t}\n\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\n\t\tfloat occlusion = 1.0;\n\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\n\t\tfloat hard_shadow = step( compare , distribution.x ); // Hard Shadow\n\n\t\tif (hard_shadow != 1.0 ) {\n\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance ); // Chebeyshevs inequality\n\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 ); // 0.3 reduces light bleed\n\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\n\t\t}\n\t\treturn occlusion;\n\n\t}\n\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\n\t\tfloat shadow = 1.0;\n\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\n\t\t// if ( something && something ) breaks ATI OpenGL shader compiler\n\t\t// if ( all( something, something ) ) using this instead\n\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\n\t\tbool frustumTest = all( frustumTestVec );\n\n\t\tif ( frustumTest ) {\n\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\n\t\t#else // no percentage-closer filtering:\n\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\n\t\t#endif\n\n\t\t}\n\n\t\treturn shadow;\n\n\t}\n\n\t// cubeToUV() maps a 3D direction vector suitable for cube texture mapping to a 2D\n\t// vector suitable for 2D texture mapping. This code uses the following layout for the\n\t// 2D texture:\n\t//\n\t// xzXZ\n\t//  y Y\n\t//\n\t// Y - Positive y direction\n\t// y - Negative y direction\n\t// X - Positive x direction\n\t// x - Negative x direction\n\t// Z - Positive z direction\n\t// z - Negative z direction\n\t//\n\t// Source and test bed:\n\t// https://gist.github.com/tschw/da10c43c467ce8afd0c4\n\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\n\t\t// Number of texels to avoid at the edge of each square\n\n\t\tvec3 absV = abs( v );\n\n\t\t// Intersect unit cube\n\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\n\t\t// Apply scale to avoid seams\n\n\t\t// two texels less per square (one texel will do for NEAREST)\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\n\t\t// Unwrap\n\n\t\t// space: -1 ... 1 range for each square\n\t\t//\n\t\t// #X##\t\tdim    := ( 4 , 2 )\n\t\t//  # #\t\tcenter := ( 1 , 1 )\n\n\t\tvec2 planar = v.xy;\n\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\n\t\tif ( absV.z >= almostOne ) {\n\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\n\t\t} else if ( absV.x >= almostOne ) {\n\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\n\t\t} else if ( absV.y >= almostOne ) {\n\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\n\t\t}\n\n\t\t// Transform to UV space\n\n\t\t// scale := 0.5 / dim\n\t\t// translate := ( center + 0.5 ) / dim\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\n\t}\n\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\n\t\t// for point lights, the uniform @vShadowCoord is re-purposed to hold\n\t\t// the vector from the light to the world-space position of the fragment.\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\n\t\t// dp = normalized distance from light to fragment position\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); // need to clamp?\n\t\tdp += shadowBias;\n\n\t\t// bd3D = base direction 3D\n\t\tvec3 bd3D = normalize( lightToPosition );\n\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\n\t\t#else // no percentage-closer filtering\n\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\n\t\t#endif\n\n\t}\n\n#endif\n",shadowmap_pars_vertex:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): uniforms for area light shadows\n\n\t#endif\n\t*/\n\n#endif\n",shadowmap_vertex:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\t// Offsetting the position used for querying occlusion along the world normal can be used to reduce shadow acne.\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\n\t#endif\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): update vAreaShadowCoord with area light info\n\n\t#endif\n\t*/\n\n#endif\n",shadowmask_pars_fragment:"\nfloat getShadowMask() {\n\n\tfloat shadow = 1.0;\n\n\t#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\tDirectionalLightShadow directionalLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\tSpotLightShadow spotLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\tPointLightShadow pointLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): update shadow for Area light\n\n\t#endif\n\t*/\n\n\t#endif\n\n\treturn shadow;\n\n}\n",skinbase_vertex:"\n#ifdef USE_SKINNING\n\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n\n#endif\n",skinning_pars_vertex:"\n#ifdef USE_SKINNING\n\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\n\t#ifdef BONE_TEXTURE\n\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\n\t\t\ty = dy * ( y + 0.5 );\n\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\n\t\t\treturn bone;\n\n\t\t}\n\n\t#else\n\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\n\t\t}\n\n\t#endif\n\n#endif\n",skinning_vertex:"\n#ifdef USE_SKINNING\n\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n\n#endif\n",skinnormal_vertex:"\n#ifdef USE_SKINNING\n\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\n\t#ifdef USE_TANGENT\n\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\n\t#endif\n\n#endif\n",specularmap_fragment:"\nfloat specularStrength;\n\n#ifdef USE_SPECULARMAP\n\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n\n#else\n\n\tspecularStrength = 1.0;\n\n#endif\n",specularmap_pars_fragment:"\n#ifdef USE_SPECULARMAP\n\n\tuniform sampler2D specularMap;\n\n#endif\n",tonemapping_fragment:"\n#if defined( TONE_MAPPING )\n\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\n#endif\n",tonemapping_pars_fragment:"\n#ifndef saturate\n// <common> may have defined saturate() already\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n\nuniform float toneMappingExposure;\n\n// exposure only\nvec3 LinearToneMapping( vec3 color ) {\n\n\treturn toneMappingExposure * color;\n\n}\n\n// source: https://www.cs.utah.edu/~reinhard/cdrom/\nvec3 ReinhardToneMapping( vec3 color ) {\n\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n\n}\n\n// source: http://filmicworlds.com/blog/filmic-tonemapping-operators/\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\n\t// optimized filmic operator by Jim Hejl and Richard Burgess-Dawson\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n\n}\n\n// source: https://github.com/selfshadow/ltc_code/blob/master/webgl/shaders/ltc/ltc_blit.fs\nvec3 RRTAndODTFit( vec3 v ) {\n\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n\n}\n\n// this implementation of ACES is modified to accommodate a brighter viewing environment.\n// the scale factor of 1/0.6 is subjective. see discussion in #19621.\n\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\n\t// sRGB => XYZ => D65_2_D60 => AP1 => RRT_SAT\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ), // transposed from source\n\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\n\t// ODT_SAT => XYZ => D60_2_D65 => sRGB\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ), // transposed from source\n\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\n\tcolor *= toneMappingExposure / 0.6;\n\n\tcolor = ACESInputMat * color;\n\n\t// Apply RRT and ODT\n\tcolor = RRTAndODTFit( color );\n\n\tcolor = ACESOutputMat * color;\n\n\t// Clamp to [0, 1]\n\treturn saturate( color );\n\n}\n\nvec3 CustomToneMapping( vec3 color ) { return color; }\n",transmissionmap_fragment:"\n#ifdef USE_TRANSMISSIONMAP\n\n\ttotalTransmission *= texture2D( transmissionMap, vUv ).r;\n\n#endif\n",transmissionmap_pars_fragment:"\n#ifdef USE_TRANSMISSIONMAP\n\n\tuniform sampler2D transmissionMap;\n\n#endif\n",uv_pars_fragment:"\n#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\n\tvarying vec2 vUv;\n\n#endif\n",uv_pars_vertex:"\n#ifdef USE_UV\n\n\t#ifdef UVS_VERTEX_ONLY\n\n\t\tvec2 vUv;\n\n\t#else\n\n\t\tvarying vec2 vUv;\n\n\t#endif\n\n\tuniform mat3 uvTransform;\n\n#endif\n",uv_vertex:"\n#ifdef USE_UV\n\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\n#endif\n",uv2_pars_fragment:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvarying vec2 vUv2;\n\n#endif\n",uv2_pars_vertex:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\n\tuniform mat3 uv2Transform;\n\n#endif\n",uv2_vertex:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n\n#endif\n",worldpos_vertex:"\n#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\n\t#ifdef USE_INSTANCING\n\n\t\tworldPosition = instanceMatrix * worldPosition;\n\n\t#endif\n\n\tworldPosition = modelMatrix * worldPosition;\n\n#endif\n",background_frag:"\nuniform sampler2D t2D;\n\nvarying vec2 vUv;\n\nvoid main() {\n\n\tvec4 texColor = texture2D( t2D, vUv );\n\n\tgl_FragColor = mapTexelToLinear( texColor );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",background_vert:"\nvarying vec2 vUv;\nuniform mat3 uvTransform;\n\nvoid main() {\n\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n\n}\n",cube_frag:"\n#include <envmap_common_pars_fragment>\nuniform float opacity;\n\nvarying vec3 vWorldDirection;\n\n#include <cube_uv_reflection_fragment>\n\nvoid main() {\n\n\tvec3 vReflect = vWorldDirection;\n\t#include <envmap_fragment>\n\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",cube_vert:"\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\n\tgl_Position.z = gl_Position.w; // set z to camera.far\n\n}\n",depth_frag:"\n#if DEPTH_PACKING == 3200\n\n\tuniform float opacity;\n\n#endif\n\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvarying vec2 vHighPrecisionZW;\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( 1.0 );\n\n\t#if DEPTH_PACKING == 3200\n\n\t\tdiffuseColor.a = opacity;\n\n\t#endif\n\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\n\t#include <logdepthbuf_fragment>\n\n\t// Higher precision equivalent of gl_FragCoord.z. This assumes depthRange has been left to its default values.\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\n\t#if DEPTH_PACKING == 3200\n\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\n\t#elif DEPTH_PACKING == 3201\n\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\n\t#endif\n\n}\n",depth_vert:"\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\n// This is used for computing an equivalent of gl_FragCoord.z that is as high precision as possible.\n// Some platforms compute gl_FragCoord at a lower precision which makes the manually computed value better for\n// depth-based postprocessing effects. Reproduced on iPad with A10 processor / iPadOS 13.3.1.\nvarying vec2 vHighPrecisionZW;\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_DISPLACEMENTMAP\n\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvHighPrecisionZW = gl_Position.zw;\n\n}\n",distanceRGBA_frag:"\n#define DISTANCE\n\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main () {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( 1.0 );\n\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist ); // clamp to [ 0, 1 ]\n\n\tgl_FragColor = packDepthToRGBA( dist );\n\n}\n",distanceRGBA_vert:"\n#define DISTANCE\n\nvarying vec3 vWorldPosition;\n\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_DISPLACEMENTMAP\n\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvWorldPosition = worldPosition.xyz;\n\n}\n",equirect_frag:"\nuniform sampler2D tEquirect;\n\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvec3 direction = normalize( vWorldDirection );\n\n\tvec2 sampleUV = equirectUv( direction );\n\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\n\tgl_FragColor = mapTexelToLinear( texColor );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",equirect_vert:"\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\n}\n",linedashed_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\nuniform float dashSize;\nuniform float totalSize;\n\nvarying float vLineDistance;\n\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\n\t\tdiscard;\n\n\t}\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\n\toutgoingLight = diffuseColor.rgb; // simple shader\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\n}\n",linedashed_vert:"\nuniform float scale;\nattribute float lineDistance;\n\nvarying float vLineDistance;\n\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\tvLineDistance = scale * lineDistance;\n\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n}\n",meshbasic_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\n\t// accumulation (baked indirect lighting only)\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\n\t#else\n\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\n\t#endif\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshbasic_vert:"\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_ENVMAP\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n\n}\n",meshlambert_frag:"\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\n\t#ifdef DOUBLE_SIDED\n\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\n\t#else\n\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\n\t#endif\n\n\t#include <lightmap_fragment>\n\n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\n\t#else\n\n\t\treflectedLight.directDiffuse = vLightFront;\n\n\t#endif\n\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\n\t// modulation\n\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}\n",meshlambert_vert:"\n#define LAMBERT\n\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",meshmatcap_frag:"\n#define MATCAP\n\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n\n#include <fog_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5; // 0.495 to remove artifacts caused by undersized matcap disks\n\n\t#ifdef USE_MATCAP\n\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\n\t#else\n\n\t\tvec4 matcapColor = vec4( 1.0 );\n\n\t#endif\n\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshmatcap_vert:"\n#define MATCAP\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\t\tvNormal = normalize( transformedNormal );\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n}\n",meshtoon_frag:"\n#define TOON\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshtoon_vert:"\n#define TOON\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",meshphong_frag:"\n#define PHONG\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshphong_vert:"\n#define PHONG\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",meshphysical_frag:"\n#define STANDARD\n\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSMISSION\n#endif\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n\n#ifdef TRANSMISSION\n\tuniform float transmission;\n#endif\n\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <transmissionmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#ifdef TRANSMISSION\n\t\tfloat totalTransmission = transmission;\n\t#endif\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <transmissionmap_fragment>\n\n\t// accumulation\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\n\t// this is a stub for the transmission model\n\t#ifdef TRANSMISSION\n\t\tdiffuseColor.a *= mix( saturate( 1. - totalTransmission + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) ), 1.0, metalness );\n\t#endif\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshphysical_vert:"\n#define STANDARD\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n\t#ifdef USE_TANGENT\n\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\n\t#endif\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",normal_frag:"\n#define NORMAL\n\nuniform float opacity;\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvarying vec3 vViewPosition;\n\n#endif\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <packing>\n#include <uv_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\n}\n",normal_vert:"\n#define NORMAL\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvarying vec3 vViewPosition;\n\n#endif\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n\t#ifdef USE_TANGENT\n\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\n\t#endif\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvViewPosition = - mvPosition.xyz;\n\n#endif\n\n}\n",points_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\n\toutgoingLight = diffuseColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\n}\n",points_vert:"\nuniform float size;\nuniform float scale;\n\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\n\tgl_PointSize = size;\n\n\t#ifdef USE_SIZEATTENUATION\n\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\n\t#endif\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n\n}\n",shadow_frag:"\nuniform vec3 color;\nuniform float opacity;\n\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n\nvoid main() {\n\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",shadow_vert:"\n#include <common>\n#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\n\nvoid main() {\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",sprite_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\n\toutgoingLight = diffuseColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",sprite_vert:"\nuniform float rotation;\nuniform vec2 center;\n\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\n\t#ifndef USE_SIZEATTENUATION\n\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\n\t#endif\n\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\n\tmvPosition.xy += rotatedPosition;\n\n\tgl_Position = projectionMatrix * mvPosition;\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n}\n"},sa={common:{diffuse:{value:new J(15658734)},opacity:{value:1},map:{value:null},uvTransform:{value:new wt},uv2Transform:{value:new wt},alphaMap:{value:null}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},refractionRatio:{value:.98},maxMipLevel:{value:0}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new V(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new J(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new J(15658734)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},uvTransform:{value:new wt}},sprite:{diffuse:{value:new J(15658734)},opacity:{value:1},center:{value:new V(.5,.5)},rotation:{value:0},map:{value:null},alphaMap:{value:null},uvTransform:{value:new wt}}},aa={basic:{uniforms:Nr([sa.common,sa.specularmap,sa.envmap,sa.aomap,sa.lightmap,sa.fog]),vertexShader:ra.meshbasic_vert,fragmentShader:ra.meshbasic_frag},lambert:{uniforms:Nr([sa.common,sa.specularmap,sa.envmap,sa.aomap,sa.lightmap,sa.emissivemap,sa.fog,sa.lights,{emissive:{value:new J(0)}}]),vertexShader:ra.meshlambert_vert,fragmentShader:ra.meshlambert_frag},phong:{uniforms:Nr([sa.common,sa.specularmap,sa.envmap,sa.aomap,sa.lightmap,sa.emissivemap,sa.bumpmap,sa.normalmap,sa.displacementmap,sa.fog,sa.lights,{emissive:{value:new J(0)},specular:{value:new J(1118481)},shininess:{value:30}}]),vertexShader:ra.meshphong_vert,fragmentShader:ra.meshphong_frag},standard:{uniforms:Nr([sa.common,sa.envmap,sa.aomap,sa.lightmap,sa.emissivemap,sa.bumpmap,sa.normalmap,sa.displacementmap,sa.roughnessmap,sa.metalnessmap,sa.fog,sa.lights,{emissive:{value:new J(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:ra.meshphysical_vert,fragmentShader:ra.meshphysical_frag},toon:{uniforms:Nr([sa.common,sa.aomap,sa.lightmap,sa.emissivemap,sa.bumpmap,sa.normalmap,sa.displacementmap,sa.gradientmap,sa.fog,sa.lights,{emissive:{value:new J(0)}}]),vertexShader:ra.meshtoon_vert,fragmentShader:ra.meshtoon_frag},matcap:{uniforms:Nr([sa.common,sa.bumpmap,sa.normalmap,sa.displacementmap,sa.fog,{matcap:{value:null}}]),vertexShader:ra.meshmatcap_vert,fragmentShader:ra.meshmatcap_frag},points:{uniforms:Nr([sa.points,sa.fog]),vertexShader:ra.points_vert,fragmentShader:ra.points_frag},dashed:{uniforms:Nr([sa.common,sa.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:ra.linedashed_vert,fragmentShader:ra.linedashed_frag},depth:{uniforms:Nr([sa.common,sa.displacementmap]),vertexShader:ra.depth_vert,fragmentShader:ra.depth_frag},normal:{uniforms:Nr([sa.common,sa.bumpmap,sa.normalmap,sa.displacementmap,{opacity:{value:1}}]),vertexShader:ra.normal_vert,fragmentShader:ra.normal_frag},sprite:{uniforms:Nr([sa.sprite,sa.fog]),vertexShader:ra.sprite_vert,fragmentShader:ra.sprite_frag},background:{uniforms:{uvTransform:{value:new wt},t2D:{value:null}},vertexShader:ra.background_vert,fragmentShader:ra.background_frag},cube:{uniforms:Nr([sa.envmap,{opacity:{value:1}}]),vertexShader:ra.cube_vert,fragmentShader:ra.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:ra.equirect_vert,fragmentShader:ra.equirect_frag},distanceRGBA:{uniforms:Nr([sa.common,sa.displacementmap,{referencePosition:{value:new G},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:ra.distanceRGBA_vert,fragmentShader:ra.distanceRGBA_frag},shadow:{uniforms:Nr([sa.lights,sa.fog,{color:{value:new J(0)},opacity:{value:1}}]),vertexShader:ra.shadow_vert,fragmentShader:ra.shadow_frag}};function oa(t,e,n,i,r){const s=new J(0);let a,o,l=0,h=null,u=0,d=null;function p(t,e){n.buffers.color.setClear(t.r,t.g,t.b,e,r)}return{getClearColor:function(){return s},setClearColor:function(t,e=1){s.set(t),l=e,p(s,l)},getClearAlpha:function(){return l},setClearAlpha:function(t){l=t,p(s,l)},render:function(n,r,m,f){let g=!0===r.isScene?r.background:null;g&&g.isTexture&&(g=e.get(g));const v=t.xr,y=v.getSession&&v.getSession();y&&"additive"===y.environmentBlendMode&&(g=null),null===g?p(s,l):g&&g.isColor&&(p(g,1),f=!0),(t.autoClear||f)&&t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil),g&&(g.isCubeTexture||g.isWebGLCubeRenderTarget||g.mapping===c)?(void 0===o&&(o=new nn(new Qr(1,1,1),new Or({name:"BackgroundCubeMaterial",uniforms:Dr(aa.cube.uniforms),vertexShader:aa.cube.vertexShader,fragmentShader:aa.cube.fragmentShader,side:1,depthTest:!1,depthWrite:!1,fog:!1})),o.geometry.deleteAttribute("normal"),o.geometry.deleteAttribute("uv"),o.onBeforeRender=function(t,e,n){this.matrixWorld.copyPosition(n.matrixWorld)},Object.defineProperty(o.material,"envMap",{get:function(){return 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s=c.newAttributes,a=c.enabledAttributes,o=c.attributeDivisors;if(s[n]=1,0===a[n]&&(t.enableVertexAttribArray(n),a[n]=1),o[n]!==r){(i.isWebGL2?t:e.get("ANGLE_instanced_arrays"))[i.isWebGL2?"vertexAttribDivisor":"vertexAttribDivisorANGLE"](n,r),o[n]=r}}function g(){const e=c.newAttributes,n=c.enabledAttributes;for(let i=0,r=n.length;i<r;i++)n[i]!==e[i]&&(t.disableVertexAttribArray(i),n[i]=0)}function v(e,n,r,s,a,o){!0!==i.isWebGL2||r!==t.INT&&r!==t.UNSIGNED_INT?t.vertexAttribPointer(e,n,r,s,a,o):t.vertexAttribIPointer(e,n,r,a,o)}function y(){x(),c!==l&&(c=l,h(c.object))}function x(){l.geometry=null,l.program=null,l.wireframe=!1}return{setup:function(r,l,u,y,x){let _=!1;if(a){const e=function(e,n,r){const a=!0===r.wireframe;let l=o[e.id];void 0===l&&(l={},o[e.id]=l);let c=l[n.id];void 0===c&&(c={},l[n.id]=c);let h=c[a];void 0===h&&(h=d(i.isWebGL2?t.createVertexArray():s.createVertexArrayOES()),c[a]=h);return h}(y,u,l);c!==e&&(c=e,h(c.object)),_=function(t,e){const n=c.attributes,i=t.attributes;let r=0;for(const t in i){const e=n[t],s=i[t];if(void 0===e)return!0;if(e.attribute!==s)return!0;if(e.data!==s.data)return!0;r++}return c.attributesNum!==r||c.index!==e}(y,x),_&&function(t,e){const n={},i=t.attributes;let r=0;for(const t in i){const e=i[t],s={};s.attribute=e,e.data&&(s.data=e.data),n[t]=s,r++}c.attributes=n,c.attributesNum=r,c.index=e}(y,x)}else{const t=!0===l.wireframe;c.geometry===y.id&&c.program===u.id&&c.wireframe===t||(c.geometry=y.id,c.program=u.id,c.wireframe=t,_=!0)}!0===r.isInstancedMesh&&(_=!0),null!==x&&n.update(x,t.ELEMENT_ARRAY_BUFFER),_&&(!function(r,s,a,o){if(!1===i.isWebGL2&&(r.isInstancedMesh||o.isInstancedBufferGeometry)&&null===e.get("ANGLE_instanced_arrays"))return;p();const l=o.attributes,c=a.getAttributes(),h=s.defaultAttributeValues;for(const e in c){const i=c[e];if(i>=0){const s=l[e];if(void 0!==s){const e=s.normalized,r=s.itemSize,a=n.get(s);if(void 0===a)continue;const 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s=e.buffer,a=e.type;f(i,1),t.bindBuffer(t.ARRAY_BUFFER,s),t.vertexAttribPointer(i,3,a,!1,12,0)}else if(void 0!==h){const n=h[e];if(void 0!==n)switch(n.length){case 2:t.vertexAttrib2fv(i,n);break;case 3:t.vertexAttrib3fv(i,n);break;case 4:t.vertexAttrib4fv(i,n);break;default:t.vertexAttrib1fv(i,n)}}}}g()}(r,l,u,y),null!==x&&t.bindBuffer(t.ELEMENT_ARRAY_BUFFER,n.get(x).buffer))},reset:y,resetDefaultState:x,dispose:function(){y();for(const t in o){const e=o[t];for(const t in e){const n=e[t];for(const t in n)u(n[t].object),delete n[t];delete e[t]}delete o[t]}},releaseStatesOfGeometry:function(t){if(void 0===o[t.id])return;const e=o[t.id];for(const t in e){const n=e[t];for(const t in n)u(n[t].object),delete n[t];delete e[t]}delete o[t.id]},releaseStatesOfProgram:function(t){for(const e in o){const n=o[e];if(void 0===n[t.id])continue;const i=n[t.id];for(const t in i)u(i[t].object),delete i[t];delete n[t.id]}},initAttributes:p,enableAttribute:m,disableUnusedAttributes:g}}function ca(t,e,n,i){const r=i.isWebGL2;let s;this.setMode=function(t){s=t},this.render=function(e,i){t.drawArrays(s,e,i),n.update(i,s,1)},this.renderInstances=function(i,a,o){if(0===o)return;let l,c;if(r)l=t,c="drawArraysInstanced";else if(l=e.get("ANGLE_instanced_arrays"),c="drawArraysInstancedANGLE",null===l)return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");l[c](s,i,a,o),n.update(a,s,o)}}function ha(t,e,n){let i;function r(e){if("highp"===e){if(t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.HIGH_FLOAT).precision>0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.HIGH_FLOAT).precision>0)return"highp";e="mediump"}return"mediump"===e&&t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.MEDIUM_FLOAT).precision>0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}const s="undefined"!=typeof WebGL2RenderingContext&&t instanceof WebGL2RenderingContext||"undefined"!=typeof WebGL2ComputeRenderingContext&&t instanceof WebGL2ComputeRenderingContext;let a=void 0!==n.precision?n.precision:"highp";const o=r(a);o!==a&&(console.warn("THREE.WebGLRenderer:",a,"not supported, using",o,"instead."),a=o);const l=!0===n.logarithmicDepthBuffer,c=t.getParameter(t.MAX_TEXTURE_IMAGE_UNITS),h=t.getParameter(t.MAX_VERTEX_TEXTURE_IMAGE_UNITS),u=t.getParameter(t.MAX_TEXTURE_SIZE),d=t.getParameter(t.MAX_CUBE_MAP_TEXTURE_SIZE),p=t.getParameter(t.MAX_VERTEX_ATTRIBS),m=t.getParameter(t.MAX_VERTEX_UNIFORM_VECTORS),f=t.getParameter(t.MAX_VARYING_VECTORS),g=t.getParameter(t.MAX_FRAGMENT_UNIFORM_VECTORS),v=h>0,y=s||e.has("OES_texture_float");return{isWebGL2:s,getMaxAnisotropy:function(){if(void 0!==i)return i;if(!0===e.has("EXT_texture_filter_anisotropic")){const n=e.get("EXT_texture_filter_anisotropic");i=t.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else i=0;return i},getMaxPrecision:r,precision:a,logarithmicDepthBuffer:l,maxTextures:c,maxVertexTextures:h,maxTextureSize:u,maxCubemapSize:d,maxAttributes:p,maxVertexUniforms:m,maxVaryings:f,maxFragmentUniforms:g,vertexTextures:v,floatFragmentTextures:y,floatVertexTextures:v&&y,maxSamples:s?t.getParameter(t.MAX_SAMPLES):0}}function ua(t){const e=this;let n=null,i=0,r=!1,s=!1;const a=new pe,o=new wt,l={value:null,needsUpdate:!1};function c(){l.value!==n&&(l.value=n,l.needsUpdate=i>0),e.numPlanes=i,e.numIntersection=0}function h(t,n,i,r){const s=null!==t?t.length:0;let c=null;if(0!==s){if(c=l.value,!0!==r||null===c){const e=i+4*s,r=n.matrixWorldInverse;o.getNormalMatrix(r),(null===c||c.length<e)&&(c=new Float32Array(e));for(let e=0,n=i;e!==s;++e,n+=4)a.copy(t[e]).applyMatrix4(r,o),a.normal.toArray(c,n),c[n+3]=a.constant}l.value=c,l.needsUpdate=!0}return e.numPlanes=s,e.numIntersection=0,c}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(t,e,s){const a=0!==t.length||e||0!==i||r;return r=e,n=h(t,s,0),i=t.length,a},this.beginShadows=function(){s=!0,h(null)},this.endShadows=function(){s=!1,c()},this.setState=function(e,a,o){const u=e.clippingPlanes,d=e.clipIntersection,p=e.clipShadows,m=t.get(e);if(!r||null===u||0===u.length||s&&!p)s?h(null):c();else{const t=s?0:i,e=4*t;let r=m.clippingState||null;l.value=r,r=h(u,a,e,o);for(let t=0;t!==e;++t)r[t]=n[t];m.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=t}}}aa.physical={uniforms:Nr([aa.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new V(1,1)},clearcoatNormalMap:{value:null},sheen:{value:new J(0)},transmission:{value:0},transmissionMap:{value:null}}]),vertexShader:ra.meshphysical_vert,fragmentShader:ra.meshphysical_frag};class da extends yt{constructor(t,e,n){super(),this.width=t,this.height=e,this.depth=1,this.scissor=new O(0,0,t,e),this.scissorTest=!1,this.viewport=new O(0,0,t,e),n=n||{},this.texture=new sr(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.image.depth=1,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:v,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}setTexture(t){t.image={width:this.width,height:this.height,depth:this.depth},this.texture=t}setSize(t,e,n=1){this.width===t&&this.height===e&&this.depth===n||(this.width=t,this.height=e,this.depth=n,this.texture.image.width=t,this.texture.image.height=e,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.width=t.width,this.height=t.height,this.depth=t.depth,this.viewport.copy(t.viewport),this.texture=t.texture.clone(),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.depthTexture=t.depthTexture,this}dispose(){this.dispatchEvent({type:"dispose"})}}da.prototype.isWebGLRenderTarget=!0;const pa=90;class ma extends Ut{constructor(t,e,n){if(super(),this.type="CubeCamera",!0!==n.isWebGLCubeRenderTarget)return void console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");this.renderTarget=n;const i=new Gi(pa,1,t,e);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new G(1,0,0)),this.add(i);const r=new Gi(pa,1,t,e);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new G(-1,0,0)),this.add(r);const s=new Gi(pa,1,t,e);s.layers=this.layers,s.up.set(0,0,1),s.lookAt(new G(0,1,0)),this.add(s);const a=new Gi(pa,1,t,e);a.layers=this.layers,a.up.set(0,0,-1),a.lookAt(new G(0,-1,0)),this.add(a);const o=new Gi(pa,1,t,e);o.layers=this.layers,o.up.set(0,-1,0),o.lookAt(new G(0,0,1)),this.add(o);const l=new Gi(pa,1,t,e);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new G(0,0,-1)),this.add(l)}update(t,e){null===this.parent&&this.updateMatrixWorld();const n=this.renderTarget,[i,r,s,a,o,l]=this.children,c=t.xr.enabled,h=t.getRenderTarget();t.xr.enabled=!1;const u=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0),t.render(e,i),t.setRenderTarget(n,1),t.render(e,r),t.setRenderTarget(n,2),t.render(e,s),t.setRenderTarget(n,3),t.render(e,a),t.setRenderTarget(n,4),t.render(e,o),n.texture.generateMipmaps=u,t.setRenderTarget(n,5),t.render(e,l),t.setRenderTarget(h),t.xr.enabled=c}}class fa extends da{constructor(t,e,n){Number.isInteger(e)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),e=n),super(t,t,e),e=e||{},this.texture=new or(void 0,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.encoding),this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:v,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.format=T,this.texture.encoding=e.encoding,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Qr(5,5,5),r=new Or({name:"CubemapFromEquirect",uniforms:Dr(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:1,blending:0});r.uniforms.tEquirect.value=e;const s=new nn(i,r),a=e.minFilter;e.minFilter===y&&(e.minFilter=v);return new ma(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}function ga(t){let e=new WeakMap;function n(t,e){return 303===e?t.mapping=o:304===e&&(t.mapping=l),t}function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping;if(303===s||304===s){if(e.has(r)){return n(e.get(r).texture,r.mapping)}{const s=r.image;if(s&&s.height>0){const a=t.getRenderTarget(),o=new fa(s.height/2);return o.fromEquirectangularTexture(t,r),e.set(r,o),t.setRenderTarget(a),r.addEventListener("dispose",i),n(o.texture,r.mapping)}return null}}}return r},dispose:function(){e=new WeakMap}}}function va(t){const e={};function n(n){if(void 0!==e[n])return e[n];let 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ht;return{setup:function(s){let a=0,o=0,l=0;for(let t=0;t<9;t++)r.probe[t].set(0,0,0);let c=0,h=0,u=0,d=0,p=0,m=0,f=0,g=0;s.sort(Ko);for(let t=0,e=s.length;t<e;t++){const e=s[t],v=e.color,y=e.intensity,x=e.distance,_=e.shadow&&e.shadow.map?e.shadow.map.texture:null;if(e.isAmbientLight)a+=v.r*y,o+=v.g*y,l+=v.b*y;else if(e.isLightProbe)for(let t=0;t<9;t++)r.probe[t].addScaledVector(e.sh.coefficients[t],y);else if(e.isDirectionalLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity),e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,r.directionalShadow[c]=n,r.directionalShadowMap[c]=_,r.directionalShadowMatrix[c]=e.shadow.matrix,m++}r.directional[c]=t,c++}else if(e.isSpotLight){const t=n.get(e);if(t.position.setFromMatrixPosition(e.matrixWorld),t.color.copy(v).multiplyScalar(y),t.distance=x,t.coneCos=Math.cos(e.angle),t.penumbraCos=Math.cos(e.angle*(1-e.penumbra)),t.decay=e.decay,e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,r.spotShadow[u]=n,r.spotShadowMap[u]=_,r.spotShadowMatrix[u]=e.shadow.matrix,g++}r.spot[u]=t,u++}else if(e.isRectAreaLight){const t=n.get(e);t.color.copy(v).multiplyScalar(y),t.halfWidth.set(.5*e.width,0,0),t.halfHeight.set(0,.5*e.height,0),r.rectArea[d]=t,d++}else if(e.isPointLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity),t.distance=e.distance,t.decay=e.decay,e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,n.shadowCameraNear=t.camera.near,n.shadowCameraFar=t.camera.far,r.pointShadow[h]=n,r.pointShadowMap[h]=_,r.pointShadowMatrix[h]=e.shadow.matrix,f++}r.point[h]=t,h++}else if(e.isHemisphereLight){const t=n.get(e);t.skyColor.copy(e.color).multiplyScalar(y),t.groundColor.copy(e.groundColor).multiplyScalar(y),r.hemi[p]=t,p++}}d>0&&(e.isWebGL2||!0===t.has("OES_texture_float_linear")?(r.rectAreaLTC1=sa.LTC_FLOAT_1,r.rectAreaLTC2=sa.LTC_FLOAT_2):!0===t.has("OES_texture_half_float_linear")?(r.rectAreaLTC1=sa.LTC_HALF_1,r.rectAreaLTC2=sa.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. 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b(e,n,i,r,s,a,o){let l=null,u=x,d=e.customDepthMaterial;if(!0===r.isPointLight&&(u=_,d=e.customDistanceMaterial),void 0===d){let t=!1;!0===i.morphTargets&&(t=n.morphAttributes&&n.morphAttributes.position&&n.morphAttributes.position.length>0);let r=!1;!0===e.isSkinnedMesh&&(!0===i.skinning?r=!0:console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",e));l=u(t,r,!0===e.isInstancedMesh)}else l=d;if(t.localClippingEnabled&&!0===i.clipShadows&&0!==i.clippingPlanes.length){const t=l.uuid,e=i.uuid;let n=c[t];void 0===n&&(n={},c[t]=n);let r=n[e];void 0===r&&(r=l.clone(),n[e]=r),l=r}return 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e=b(n,i,r,a,s.near,s.far,o);t.renderBufferDirect(s,null,i,e,n,null)}}const l=n.children;for(let t=0,e=l.length;t<e;t++)M(l[t],r,s,a,o)}this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=1,this.render=function(e,o,l){if(!1===g.enabled)return;if(!1===g.autoUpdate&&!1===g.needsUpdate)return;if(0===e.length)return;const c=t.getRenderTarget(),h=t.getActiveCubeFace(),u=t.getActiveMipmapLevel(),d=t.state;d.setBlending(0),d.buffers.color.setClear(1,1,1,1),d.buffers.depth.setTest(!0),d.setScissorTest(!1);for(let c=0,h=e.length;c<h;c++){const h=e[c],u=h.shadow;if(void 0===u){console.warn("THREE.WebGLShadowMap:",h,"has no shadow.");continue}if(!1===u.autoUpdate&&!1===u.needsUpdate)continue;r.copy(u.mapSize);const p=u.getFrameExtents();if(r.multiply(p),s.copy(u.mapSize),(r.x>n||r.y>n)&&(r.x>n&&(s.x=Math.floor(n/p.x),r.x=s.x*p.x,u.mapSize.x=s.x),r.y>n&&(s.y=Math.floor(n/p.y),r.y=s.y*p.y,u.mapSize.y=s.y)),null===u.map&&!u.isPointLightShadow&&3===this.type){const t={minFilter:v,magFilter:v,format:T};u.map=new da(r.x,r.y,t),u.map.texture.name=h.name+".shadowMap",u.mapPass=new da(r.x,r.y,t),u.camera.updateProjectionMatrix()}if(null===u.map){const t={minFilter:m,magFilter:m,format:T};u.map=new da(r.x,r.y,t),u.map.texture.name=h.name+".shadowMap",u.camera.updateProjectionMatrix()}t.setRenderTarget(u.map),t.clear();const f=u.getViewportCount();for(let t=0;t<f;t++){const e=u.getViewport(t);a.set(s.x*e.x,s.y*e.y,s.x*e.z,s.y*e.w),d.viewport(a),u.updateMatrices(h,t),i=u.getFrustum(),M(o,l,u.camera,h,this.type)}u.isPointLightShadow||3!==this.type||y(u,l),u.needsUpdate=!1}g.needsUpdate=!1,t.setRenderTarget(c,h,u)}}function nl(t,e,n){const i=n.isWebGL2;const r=new function(){let e=!1;const n=new O;let i=null;const r=new 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i=e[t],s=n.getViewport(i),a=d[t];a.matrix.fromArray(i.transform.matrix),a.projectionMatrix.fromArray(i.projectionMatrix),a.viewport.set(s.x,s.y,s.width,s.height),0===t&&p.matrix.copy(a.matrix),!0===r&&p.cameras.push(a)}}const r=i.inputSources;for(let t=0;t<l.length;t++){const e=l[t],i=r[t];e.update(i,n,s)}M&&M(e,n)})),this.setAnimationLoop=function(t){M=t},this.dispose=function(){}}function ll(t){function e(e,n){e.opacity.value=n.opacity,n.color&&e.diffuse.value.copy(n.color),n.emissive&&e.emissive.value.copy(n.emissive).multiplyScalar(n.emissiveIntensity),n.map&&(e.map.value=n.map),n.alphaMap&&(e.alphaMap.value=n.alphaMap),n.specularMap&&(e.specularMap.value=n.specularMap);const i=t.get(n).envMap;if(i){e.envMap.value=i,e.flipEnvMap.value=i.isCubeTexture&&i._needsFlipEnvMap?-1:1,e.reflectivity.value=n.reflectivity,e.refractionRatio.value=n.refractionRatio;const r=t.get(i).__maxMipLevel;void 0!==r&&(e.maxMipLevel.value=r)}let r,s;n.lightMap&&(e.lightMap.value=n.lightMap,e.lightMapIntensity.value=n.lightMapIntensity),n.aoMap&&(e.aoMap.value=n.aoMap,e.aoMapIntensity.value=n.aoMapIntensity),n.map?r=n.map:n.specularMap?r=n.specularMap:n.displacementMap?r=n.displacementMap:n.normalMap?r=n.normalMap:n.bumpMap?r=n.bumpMap:n.roughnessMap?r=n.roughnessMap:n.metalnessMap?r=n.metalnessMap:n.alphaMap?r=n.alphaMap:n.emissiveMap?r=n.emissiveMap:n.clearcoatMap?r=n.clearcoatMap:n.clearcoatNormalMap?r=n.clearcoatNormalMap:n.clearcoatRoughnessMap&&(r=n.clearcoatRoughnessMap),void 0!==r&&(r.isWebGLRenderTarget&&(r=r.texture),!0===r.matrixAutoUpdate&&r.updateMatrix(),e.uvTransform.value.copy(r.matrix)),n.aoMap?s=n.aoMap:n.lightMap&&(s=n.lightMap),void 0!==s&&(s.isWebGLRenderTarget&&(s=s.texture),!0===s.matrixAutoUpdate&&s.updateMatrix(),e.uv2Transform.value.copy(s.matrix))}function n(e,n){e.roughness.value=n.roughness,e.metalness.value=n.metalness,n.roughnessMap&&(e.roughnessMap.value=n.roughnessMap),n.metalnessMap&&(e.metalnessMap.value=n.metalnessMap),n.emissiveMap&&(e.emissiveMap.value=n.emissiveMap),n.bumpMap&&(e.bumpMap.value=n.bumpMap,e.bumpScale.value=n.bumpScale,1===n.side&&(e.bumpScale.value*=-1)),n.normalMap&&(e.normalMap.value=n.normalMap,e.normalScale.value.copy(n.normalScale),1===n.side&&e.normalScale.value.negate()),n.displacementMap&&(e.displacementMap.value=n.displacementMap,e.displacementScale.value=n.displacementScale,e.displacementBias.value=n.displacementBias);t.get(n).envMap&&(e.envMapIntensity.value=n.envMapIntensity)}return{refreshFogUniforms:function(t,e){t.fogColor.value.copy(e.color),e.isFog?(t.fogNear.value=e.near,t.fogFar.value=e.far):e.isFogExp2&&(t.fogDensity.value=e.density)},refreshMaterialUniforms:function(t,i,r,s){i.isMeshBasicMaterial?e(t,i):i.isMeshLambertMaterial?(e(t,i),function(t,e){e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap)}(t,i)):i.isMeshToonMaterial?(e(t,i),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap);e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap);e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshPhongMaterial?(e(t,i),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4),e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap);e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshStandardMaterial?(e(t,i),i.isMeshPhysicalMaterial?function(t,e){n(t,e),t.reflectivity.value=e.reflectivity,t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.sheen&&t.sheen.value.copy(e.sheen);e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap);e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap);e.clearcoatNormalMap&&(t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),t.clearcoatNormalMap.value=e.clearcoatNormalMap,1===e.side&&t.clearcoatNormalScale.value.negate());t.transmission.value=e.transmission,e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap)}(t,i):n(t,i)):i.isMeshMatcapMaterial?(e(t,i),function(t,e){e.matcap&&(t.matcap.value=e.matcap);e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshDepthMaterial?(e(t,i),function(t,e){e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshDistanceMaterial?(e(t,i),function(t,e){e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias);t.referencePosition.value.copy(e.referencePosition),t.nearDistance.value=e.nearDistance,t.farDistance.value=e.farDistance}(t,i)):i.isMeshNormalMaterial?(e(t,i),function(t,e){e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity}(t,i),i.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,i)):i.isPointsMaterial?function(t,e,n,i){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*n,t.scale.value=.5*i,e.map&&(t.map.value=e.map);e.alphaMap&&(t.alphaMap.value=e.alphaMap);let 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t.isMeshLambertMaterial||t.isMeshToonMaterial||t.isMeshPhongMaterial||t.isMeshStandardMaterial||t.isShadowMaterial||t.isShaderMaterial&&!0===t.lights}(t),i.lightsStateVersion=a,i.needsLights&&(u.ambientLightColor.value=r.state.ambient,u.lightProbe.value=r.state.probe,u.directionalLights.value=r.state.directional,u.directionalLightShadows.value=r.state.directionalShadow,u.spotLights.value=r.state.spot,u.spotLightShadows.value=r.state.spotShadow,u.rectAreaLights.value=r.state.rectArea,u.ltc_1.value=r.state.rectAreaLTC1,u.ltc_2.value=r.state.rectAreaLTC2,u.pointLights.value=r.state.point,u.pointLightShadows.value=r.state.pointShadow,u.hemisphereLights.value=r.state.hemi,u.directionalShadowMap.value=r.state.directionalShadowMap,u.directionalShadowMatrix.value=r.state.directionalShadowMatrix,u.spotShadowMap.value=r.state.spotShadowMap,u.spotShadowMatrix.value=r.state.spotShadowMatrix,u.pointShadowMap.value=r.state.pointShadowMap,u.pointShadowMatrix.value=r.state.pointShadowMatrix);const p=i.program.getUniforms(),m=Mo.seqWithValue(p.seq,u);i.uniformsList=m}function Ot(t,e,n,i){!0!==e.isScene&&(e=Z),it.resetTextureUnits();const r=e.fog,s=n.isMeshStandardMaterial?e.environment:null,a=null===b?f.outputEncoding:b.texture.encoding,o=rt.get(n.envMap||s),l=nt.get(n),c=d.state.lights;if(!0===j&&(!0===X||t!==A)){const e=t===A&&n.id===E;pt.setState(n,t,e)}n.version===l.__version?n.fog&&l.fog!==r||l.environment!==s||l.needsLights&&l.lightsStateVersion!==c.state.version?It(n,e,i):void 0===l.numClippingPlanes||l.numClippingPlanes===pt.numPlanes&&l.numIntersection===pt.numIntersection?(l.outputEncoding!==a||l.envMap!==o)&&It(n,e,i):It(n,e,i):(It(n,e,i),l.__version=n.version);let h=!1,u=!1,p=!1;const m=l.program,g=m.getUniforms(),v=l.uniforms;if(tt.useProgram(m.program)&&(h=!0,u=!0,p=!0),n.id!==E&&(E=n.id,u=!0),h||A!==t){if(g.setValue(_t,"projectionMatrix",t.projectionMatrix),$.logarithmicDepthBuffer&&g.setValue(_t,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),A!==t&&(A=t,u=!0,p=!0),n.isShaderMaterial||n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshStandardMaterial||n.envMap){const e=g.map.cameraPosition;void 0!==e&&e.setValue(_t,Y.setFromMatrixPosition(t.matrixWorld))}(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial)&&g.setValue(_t,"isOrthographic",!0===t.isOrthographicCamera),(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial||n.isShadowMaterial||n.skinning)&&g.setValue(_t,"viewMatrix",t.matrixWorldInverse)}if(n.skinning){g.setOptional(_t,i,"bindMatrix"),g.setOptional(_t,i,"bindMatrixInverse");const t=i.skeleton;if(t){const e=t.bones;if($.floatVertexTextures){if(null===t.boneTexture){let n=Math.sqrt(4*e.length);n=F.ceilPowerOfTwo(n),n=Math.max(n,4);const i=new Float32Array(n*n*4);i.set(t.boneMatrices);const r=new lr(i,n,n,T,M);t.boneMatrices=i,t.boneTexture=r,t.boneTextureSize=n}g.setValue(_t,"boneTexture",t.boneTexture,it),g.setValue(_t,"boneTextureSize",t.boneTextureSize)}else g.setOptional(_t,t,"boneMatrices")}}var y,x;return(u||l.receiveShadow!==i.receiveShadow)&&(l.receiveShadow=i.receiveShadow,g.setValue(_t,"receiveShadow",i.receiveShadow)),u&&(g.setValue(_t,"toneMappingExposure",f.toneMappingExposure),l.needsLights&&(x=p,(y=v).ambientLightColor.needsUpdate=x,y.lightProbe.needsUpdate=x,y.directionalLights.needsUpdate=x,y.directionalLightShadows.needsUpdate=x,y.pointLights.needsUpdate=x,y.pointLightShadows.needsUpdate=x,y.spotLights.needsUpdate=x,y.spotLightShadows.needsUpdate=x,y.rectAreaLights.needsUpdate=x,y.hemisphereLights.needsUpdate=x),r&&n.fog&&ct.refreshFogUniforms(v,r),ct.refreshMaterialUniforms(v,n,I,N),Mo.upload(_t,l.uniformsList,v,it)),n.isShaderMaterial&&!0===n.uniformsNeedUpdate&&(Mo.upload(_t,l.uniformsList,v,it),n.uniformsNeedUpdate=!1),n.isSpriteMaterial&&g.setValue(_t,"center",i.center),g.setValue(_t,"modelViewMatrix",i.modelViewMatrix),g.setValue(_t,"normalMatrix",i.normalMatrix),g.setValue(_t,"modelMatrix",i.matrixWorld),m}Pt.setAnimationLoop((function(t){wt.isPresenting||Rt&&Rt(t)})),"undefined"!=typeof window&&Pt.setContext(window),this.setAnimationLoop=function(t){Rt=t,wt.setAnimationLoop(t),null===t?Pt.stop():Pt.start()},this.render=function(t,e){let n,i;if(void 0!==arguments[2]&&(console.warn("THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead."),n=arguments[2]),void 0!==arguments[3]&&(console.warn("THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead."),i=arguments[3]),void 0!==e&&!0!==e.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===g)return;xt.resetDefaultState(),E=-1,A=null,!0===t.autoUpdate&&t.updateMatrixWorld(),null===e.parent&&e.updateMatrixWorld(),!0===wt.enabled&&!0===wt.isPresenting&&(e=wt.getCamera(e)),!0===t.isScene&&t.onBeforeRender(f,t,e,n||b),d=dt.get(t,m.length),d.init(),m.push(d),q.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),W.setFromProjectionMatrix(q),X=this.localClippingEnabled,j=pt.init(this.clippingPlanes,X,e),u=ut.get(t,p.length),u.init(),p.push(u),Ct(t,e,0,f.sortObjects),u.finish(),!0===f.sortObjects&&u.sort(z,U),!0===j&&pt.beginShadows();const r=d.state.shadowsArray;St.render(r,t,e),d.setupLights(),d.setupLightsView(e),!0===j&&pt.endShadows(),!0===this.info.autoReset&&this.info.reset(),void 0!==n&&this.setRenderTarget(n),mt.render(u,t,e,i);const s=u.opaque,a=u.transparent;s.length>0&&Dt(s,t,e),a.length>0&&Dt(a,t,e),!0===t.isScene&&t.onAfterRender(f,t,e),null!==b&&(it.updateRenderTargetMipmap(b),it.updateMultisampleRenderTarget(b)),tt.buffers.depth.setTest(!0),tt.buffers.depth.setMask(!0),tt.buffers.color.setMask(!0),tt.setPolygonOffset(!1),m.pop(),d=m.length>0?m[m.length-1]:null,p.pop(),u=p.length>0?p[p.length-1]:null},this.setFramebuffer=function(t){v!==t&&null===b&&_t.bindFramebuffer(_t.FRAMEBUFFER,t),v=t},this.getActiveCubeFace=function(){return y},this.getActiveMipmapLevel=function(){return _},this.getRenderTarget=function(){return b},this.setRenderTarget=function(t,e=0,n=0){b=t,y=e,_=n,t&&void 0===nt.get(t).__webglFramebuffer&&it.setupRenderTarget(t);let i=v,r=!1,s=!1;if(t){const n=t.texture;(n.isDataTexture3D||n.isDataTexture2DArray)&&(s=!0);const a=nt.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(i=a[e],r=!0):i=t.isWebGLMultisampleRenderTarget?nt.get(t).__webglMultisampledFramebuffer:a,L.copy(t.viewport),R.copy(t.scissor),P=t.scissorTest}else L.copy(B).multiplyScalar(I).floor(),R.copy(k).multiplyScalar(I).floor(),P=H;if(S!==i&&(_t.bindFramebuffer(_t.FRAMEBUFFER,i),S=i),tt.viewport(L),tt.scissor(R),tt.setScissorTest(P),r){const i=nt.get(t.texture);_t.framebufferTexture2D(_t.FRAMEBUFFER,_t.COLOR_ATTACHMENT0,_t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i.__webglTexture,n)}else if(s){const i=nt.get(t.texture),r=e||0;_t.framebufferTextureLayer(_t.FRAMEBUFFER,_t.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}},this.readRenderTargetPixels=function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=nt.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){let a=!1;o!==S&&(_t.bindFramebuffer(_t.FRAMEBUFFER,o),a=!0);try{const o=t.texture,l=o.format,c=o.type;if(l!==T&&yt.convert(l)!==_t.getParameter(_t.IMPLEMENTATION_COLOR_READ_FORMAT))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const h=c===w&&(Q.has("EXT_color_buffer_half_float")||$.isWebGL2&&Q.has("EXT_color_buffer_float"));if(!(c===x||yt.convert(c)===_t.getParameter(_t.IMPLEMENTATION_COLOR_READ_TYPE)||c===M&&($.isWebGL2||Q.has("OES_texture_float")||Q.has("WEBGL_color_buffer_float"))||h))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");_t.checkFramebufferStatus(_t.FRAMEBUFFER)===_t.FRAMEBUFFER_COMPLETE?e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&_t.readPixels(e,n,i,r,yt.convert(l),yt.convert(c),s):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{a&&_t.bindFramebuffer(_t.FRAMEBUFFER,S)}}},this.copyFramebufferToTexture=function(t,e,n=0){const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),s=Math.floor(e.image.height*i),a=yt.convert(e.format);it.setTexture2D(e,0),_t.copyTexImage2D(_t.TEXTURE_2D,n,a,t.x,t.y,r,s,0),tt.unbindTexture()},this.copyTextureToTexture=function(t,e,n,i=0){const r=e.image.width,s=e.image.height,a=yt.convert(n.format),o=yt.convert(n.type);it.setTexture2D(n,0),_t.pixelStorei(_t.UNPACK_FLIP_Y_WEBGL,n.flipY),_t.pixelStorei(_t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n.premultiplyAlpha),_t.pixelStorei(_t.UNPACK_ALIGNMENT,n.unpackAlignment),e.isDataTexture?_t.texSubImage2D(_t.TEXTURE_2D,i,t.x,t.y,r,s,a,o,e.image.data):e.isCompressedTexture?_t.compressedTexSubImage2D(_t.TEXTURE_2D,i,t.x,t.y,e.mipmaps[0].width,e.mipmaps[0].height,a,e.mipmaps[0].data):_t.texSubImage2D(_t.TEXTURE_2D,i,t.x,t.y,a,o,e.image),0===i&&n.generateMipmaps&&_t.generateMipmap(_t.TEXTURE_2D),tt.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n,i,r=0){if(f.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const{width:s,height:a,data:o}=n.image,l=yt.convert(i.format),c=yt.convert(i.type);let h;if(i.isDataTexture3D)it.setTexture3D(i,0),h=_t.TEXTURE_3D;else{if(!i.isDataTexture2DArray)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");it.setTexture2DArray(i,0),h=_t.TEXTURE_2D_ARRAY}_t.pixelStorei(_t.UNPACK_FLIP_Y_WEBGL,i.flipY),_t.pixelStorei(_t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,i.premultiplyAlpha),_t.pixelStorei(_t.UNPACK_ALIGNMENT,i.unpackAlignment);const u=_t.getParameter(_t.UNPACK_ROW_LENGTH),d=_t.getParameter(_t.UNPACK_IMAGE_HEIGHT),p=_t.getParameter(_t.UNPACK_SKIP_PIXELS),m=_t.getParameter(_t.UNPACK_SKIP_ROWS),g=_t.getParameter(_t.UNPACK_SKIP_IMAGES);_t.pixelStorei(_t.UNPACK_ROW_LENGTH,s),_t.pixelStorei(_t.UNPACK_IMAGE_HEIGHT,a),_t.pixelStorei(_t.UNPACK_SKIP_PIXELS,t.min.x),_t.pixelStorei(_t.UNPACK_SKIP_ROWS,t.min.y),_t.pixelStorei(_t.UNPACK_SKIP_IMAGES,t.min.z),_t.texSubImage3D(h,r,e.x,e.y,e.z,t.max.x-t.min.x+1,t.max.y-t.min.y+1,t.max.z-t.min.z+1,l,c,o),_t.pixelStorei(_t.UNPACK_ROW_LENGTH,u),_t.pixelStorei(_t.UNPACK_IMAGE_HEIGHT,d),_t.pixelStorei(_t.UNPACK_SKIP_PIXELS,p),_t.pixelStorei(_t.UNPACK_SKIP_ROWS,m),_t.pixelStorei(_t.UNPACK_SKIP_IMAGES,g),0===r&&i.generateMipmaps&&_t.generateMipmap(h),tt.unbindTexture()},this.initTexture=function(t){it.setTexture2D(t,0),tt.unbindTexture()},this.resetState=function(){tt.reset(),xt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}function hl(t,e,n=0,i=1/0){this.ray=new ce(t,e),this.near=n,this.far=i,this.camera=null,this.layers=new Mt,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}},Object.defineProperties(this.params,{PointCloud:{get:function(){return console.warn("THREE.Raycaster: params.PointCloud has been renamed to params.Points."),this.Points}}})}function ul(t,e){return t.distance-e.distance}function dl(t,e,n,i){if(t.layers.test(e.layers)&&t.raycast(e,n),!0===i){const i=t.children;for(let t=0,r=i.length;t<r;t++)dl(i[t],e,n,!0)}}sl.prototype=Object.assign(Object.create(Gi.prototype),{constructor:sl,isArrayCamera:!0}),Object.assign(al.prototype,{constructor:al,getHandSpace:function(){return null===this._hand&&(this._hand=new Ft,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand},getTargetRaySpace:function(){return null===this._targetRay&&(this._targetRay=new Ft,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1),this._targetRay},getGripSpace:function(){return null===this._grip&&(this._grip=new Ft,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1),this._grip},dispatchEvent:function(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this},disconnect:function(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this},update:function(t,e,n){let i=null,r=null,s=null;const a=this._targetRay,o=this._grip,l=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState)if(l&&t.hand){s=!0;for(const i of t.hand.values()){const t=e.getJointPose(i,n);if(void 0===l.joints[i.jointName]){const t=new Ft;t.matrixAutoUpdate=!1,t.visible=!1,l.joints[i.jointName]=t,l.add(t)}const r=l.joints[i.jointName];null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.jointRadius=t.radius),r.visible=null!==t}const i=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],a=i.position.distanceTo(r.position),o=.02,c=.005;l.inputState.pinching&&a>o+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==a&&(i=e.getPose(t.targetRaySpace,n),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale))),null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale)));return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}}),Object.assign(ol.prototype,yt.prototype),Object.assign(hl.prototype,{set:function(t,e){this.ray.set(t,e)},setFromCamera:function(t,e){e&&e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e&&e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,(e.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):console.error("THREE.Raycaster: Unsupported camera type: "+e.type)},intersectObject:function(t,e=!1,n=[]){return dl(t,this,n,e),n.sort(ul),n},intersectObjects:function(t,e=!1,n=[]){for(let i=0,r=t.length;i<r;i++)dl(t[i],this,n,e);return n.sort(ul),n}});const pl=new V,ml=new G,fl=new hl;fl.params.Line.threshold=1,fl.params.Points.threshold=1;const gl={background:1579035,lighting:16777215,emissive:468276,meshTempHover:10342381,point:16777215,selpoint:16711680,line:16777215,mesh:10342381,dimension:255,plane:16776960,planeBorder:3026432,opacity:.02},vl={emissive:3421191,point:1096065,selpoint:16711680,line:1096065,mesh:16430593,dimension:1096065,plane:16776960,planeBorder:9539840,opacity:.06},yl=new zn({linewidth:1,color:gl.line,depthTest:!1}),xl=new Rn({color:gl.point,size:4,depthTest:!1}),_l=(t,e=!0)=>{const n=new In((new Fe).setAttribute("position",new lt(t||3,3)),xl.clone());return n.name="p"+id++,n.userData.type="point",n.visible=e,n.renderOrder=1,n},bl=(t=1)=>{const e=new Hn((new Fe).setAttribute("position",new lt(3*(t+1),3)),yl.clone());return e.name="l"+id++,e.userData.type="line",e.renderOrder=1,e};async function Ml(...t){function e(){for(let e=t.length-1;e>=0;e--){const i=t[e];let r=0;for(let s in n){if(!i[s]||n[s]>i[s]){t.splice(e,1);break}n[s]==i[s]&&(r+=1)}if(r==Object.keys(i).length)return!0}return!1}const n={};let i=(this.selected||this.scene.selected).slice();for(let t of i){const e=t.userData.type;n[e]?n[e]+=1:n[e]=1}if(e())return i;let r=!1;for(;t.length&&!r;){let t,s,a;try{t=await new Promise(((t,e)=>{a=t=>"Escape"==t.key&&e(),s=e=>this.hovered.length&&t(this.hovered[0]),this.canvas.addEventListener("pointerdown",s),window.addEventListener("keydown",a)})),i.push(t);const r=t.userData.type;if(n[r]?n[r]+=1:n[r]=1,e())return i}catch(t){r=!0}this.canvas.removeEventListener("pointerdown",s),window.removeEventListener("keydown",a)}return console.log("fail"),null}function wl(t,e,n=!0){let i=1==e?vl:gl;switch(t.userData.type){case"plane":t.material.opacity=i.opacity,t.children[0].material.color.set(i.planeBorder);break;case"sketch":t.traverse((t=>{"line"==t.userData.type&&t.material.color.set(i.line)}));break;case"mesh":if(!n)break;t.material.emissive.set(i.emissive);case"point":t.material.color.set(i[t.userData.type]),t.material.size=e?8:4;default:t.material.color.set(i[t.userData.type])}}const Sl=new Or({uniforms:{color:{value:new J(16711680)},edgeColor:{value:new J(7798784)},pointWidth:{value:4},edgeSize:{value:4}},vertexShader:"\n  uniform float edgeSize;\n  uniform float pointWidth;\n  void main() {\n    vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n    gl_PointSize = (pointWidth + edgeSize);\n    gl_Position = projectionMatrix * mvPosition;\n  }\n",fragmentShader:"\n  uniform vec3 color;\n  uniform vec3 edgeColor;\n  uniform float edgeSize;\n  uniform float pointWidth;\n  void main() {\n    gl_FragColor = vec4(color, 1.0);\n    float distance = length(2.0 * gl_PointCoord - 1.0);\n    float totalWidth = pointWidth + edgeSize;\n    float edgeStart = pointWidth;\n    float edgeEnd = pointWidth + 2.0;\n    float sEdge = smoothstep(edgeStart, edgeEnd, distance * totalWidth);\n    // transition from edgeColor to color along the edge\n    gl_FragColor = ( vec4(edgeColor, 1.0) * sEdge) + ((1.0 - sEdge) * gl_FragColor);\n\n    if (distance > 1.0) {\n      discard;\n    }\n  }\n",depthTest:!1});window.rc=fl;function El(t,e){const[n,i,r,s]=e;i.geometry.attributes.position.set(t),i.geometry.attributes.position.needsUpdate=!0,i.geometry.computeBoundingSphere();const[a,o]=function(t,e,n=30){const i=e[0]-t[0],r=e[1]-t[1],s=Math.sqrt(i**2+r**2),a=(Math.atan2(r,i)-Math.PI/2)%(2*Math.PI);let o=a-Math.PI/6,l=a+Math.PI/6;o=o<0?o+2*Math.PI:o,l=l<0?l+2*Math.PI:o;const c=Math.tan(Math.PI/3),h=(t[0]+e[0]-r*c)/2,u=(t[1]+e[1]+i*c)/2,d=s,p=Math.PI/3;let m=new Float32Array(3*(n+1));for(let t=0;t<=n;t++){const e=o+t/n*p;m[3*t]=h+d*Math.cos(e),m[3*t+1]=u+d*Math.sin(e)}return[m,[h,u]]}(n.geometry.attributes.position.array,i.geometry.attributes.position.array);s.geometry.attributes.position.set(a),s.geometry.attributes.position.needsUpdate=!0,r.geometry.attributes.position.set(o),r.geometry.attributes.position.needsUpdate=!0,r.geometry.computeBoundingSphere()}const Tl=new V,Al=new V,Ll=new V,Rl=new V,Pl=new V,Cl=new V,Dl=new V,Nl=new V;let Il,Ol,zl,Ul,Fl;function Bl(t,e,n,i=30){const r=[t[0]-n[0],t[1]-n[1]],s=[e[0]-n[0],e[1]-n[1]];let a=Math.atan2(r[1],r[0]),o=Math.atan2(s[1],s[0]);const l=Math.sqrt(r[0]**2+r[1]**2);let c=o-a;c<=0&&(c+=2*Math.PI);let h=new Float32Array(3*(i+1));for(let t=0;t<=i;t++){const e=a+t/i*c;h[3*t]=n[0]+l*Math.cos(e),h[3*t+1]=n[1]+l*Math.sin(e)}return h}function Gl(t,e){const[n,i,r]=e;i.geometry.attributes.position.set(t),i.geometry.attributes.position.needsUpdate=!0,i.geometry.computeBoundingSphere(),r.geometry.attributes.position.set(t,3),r.geometry.attributes.position.needsUpdate=!0,r.geometry.computeBoundingSphere()}function kl(t){if(1!==t.buttons)return;let e;this.canvas.addEventListener("pointermove",this.drawPreClick2),this.canvas.addEventListener("pointerdown",this.drawOnClick2,{once:!0}),e=this.hovered.length&&!this.subsequent?this.hovered[this.hovered.length-1].geometry.attributes.position.array:this.getLocation(t).toArray(),"line"==this.scene.mode?(this.toPush=function(t){const e=_l();e.matrixAutoUpdate=!1,e.userData.constraints=[];const n=_l();n.matrixAutoUpdate=!1,n.userData.constraints=[];const i=bl();return i.matrixAutoUpdate=!1,i.frustumCulled=!1,i.userData.constraints=[],i.geometry.attributes.position.set(t),e.geometry.attributes.position.set(t),[e,n,i]}(e),this.subsequent&&(this.constraints.set(++this.c_id,["points_coincident",-1,[this.obj3d.children[this.obj3d.children.length-2].name,this.toPush[0].name,-1,-1]]),this.obj3d.children[this.obj3d.children.length-2].userData.constraints.push(this.c_id),this.toPush[0].userData.constraints.push(this.c_id))):"arc"==this.scene.mode&&(this.toPush=function(t){const e=_l(t);e.matrixAutoUpdate=!1,e.userData.constraints=[];const n=_l();n.matrixAutoUpdate=!1,n.userData.constraints=[];const i=bl(30);i.frustumCulled=!1,i.userData.constraints=[];const r=_l();return r.matrixAutoUpdate=!1,r.userData.constraints=[],[e,n,r,i]}(e)),this.hovered.length&&!this.subsequent&&(this.constraints.set(++this.c_id,["points_coincident",-1,[this.hovered[this.hovered.length-1].name,this.toPush[0].name,-1,-1]]),this.hovered[this.hovered.length-1].userData.constraints.push(this.c_id),this.toPush[0].userData.constraints.push(this.c_id),this.updateOtherBuffers()),this.updatePoint=this.obj3d.children.length,this.obj3d.add(...this.toPush),this.linkedObjs.set(this.l_id,[this.scene.mode,this.toPush.map((t=>t.name))]);for(let t of this.toPush)t.userData.l_id=this.l_id;this.l_id+=1}function Hl(t){const e=this.getLocation(t).toArray();"line"==this.scene.mode?Gl(e,this.toPush):"arc"==this.scene.mode&&El(e,this.toPush),this.scene.render()}function Vl(t){if(1!==t.buttons)return;let e;this.canvas.removeEventListener("pointermove",this.drawPreClick2),this.updatePointsBuffer(this.updatePoint),this.updateOtherBuffers(),this.toPush.forEach((t=>{t.layers.enable(2)})),this.hovered.length&&(this.constraints.set(++this.c_id,["points_coincident",-1,[this.hovered[this.hovered.length-1].name,this.toPush[1].name,-1,-1]]),this.hovered[this.hovered.length-1].userData.constraints.push(this.c_id),this.toPush[1].userData.constraints.push(this.c_id),this.updateOtherBuffers(),e=this.hovered[this.hovered.length-1].geometry.attributes.position.array),"line"==this.scene.mode?e?(Gl(e,this.toPush),this.subsequent=!1,this.updatePoint=this.obj3d.children.length,this.canvas.addEventListener("pointerdown",this.drawOnClick1,{once:!0})):(this.subsequent=!0,this.drawOnClick1(t)):"arc"==this.scene.mode&&(e&&El(e,this.toPush),function(t,e){Cl.set(t.geometry.attributes.position.array[0],t.geometry.attributes.position.array[1]),Dl.set(e.geometry.attributes.position.array[0],e.geometry.attributes.position.array[1]),Nl.subVectors(Dl,Cl),Ll.set(-Nl.y,Nl.x),Tl.addVectors(Cl,Nl.multiplyScalar(.5))}(this.toPush[0],this.toPush[1]),this.canvas.addEventListener("pointermove",this.drawPreClick3),this.canvas.addEventListener("pointerdown",this.drawOnClick3,{once:!0}))}function Wl(t){const e=this.getLocation(t);Fl=function(t,e){const[n,i,r,s]=e;return Pl.set(t.x-Cl.x,t.y-Cl.y),zl=Nl.cross(Pl)<0?1:0,Rl.set(-Pl.y,Pl.x),Al.addVectors(Cl,Pl.multiplyScalar(.5)),Il=Ll.cross(Rl),Ol=0===Il?.5:Pl.subVectors(Al,Tl).cross(Ll)/Il,r.geometry.attributes.position.set(Pl.addVectors(Al,Rl.multiplyScalar(Ol)).toArray()),r.geometry.attributes.position.needsUpdate=!0,r.geometry.computeBoundingSphere(),zl?(Ul=Bl(n.geometry.attributes.position.array,i.geometry.attributes.position.array,r.geometry.attributes.position.array),n.userData.start=!0,i.userData.start=!1):(Ul=Bl(i.geometry.attributes.position.array,n.geometry.attributes.position.array,r.geometry.attributes.position.array),i.userData.start=!0,n.userData.start=!1),s.geometry.attributes.position.set(Ul),s.geometry.attributes.position.needsUpdate=!0,s.geometry.computeBoundingSphere(),s.userData.ccw=zl,zl}(e,this.toPush),this.scene.render()}function jl(t){if(1===t.buttons){if(this.canvas.removeEventListener("pointermove",this.drawPreClick3),!Fl){let t;const e=this.linkedObjs.get(this.l_id-1);t=e[1][0],e[1][0]=e[1][1],e[1][1]=t,this.linkedObjs.set(this.l_id-1,e);let n=5*(this.linkedObjs.size-1);t=this.linksBuf[n+1],this.linksBuf[n+1]=this.linksBuf[n+2],this.linksBuf[n+2]=t}this.updatePoint=this.obj3d.children.length,this.canvas.addEventListener("pointerdown",this.drawOnClick1,{once:!0})}}function Xl(){""!=this.scene.mode&&(["line","arc"].includes(this.scene.mode)&&this.delete(this.obj3d.children[this.updatePoint]),this.canvas.removeEventListener("pointerdown",this.drawOnClick1),this.canvas.removeEventListener("pointermove",this.drawPreClick2),this.canvas.removeEventListener("pointerdown",this.drawOnClick2),this.canvas.removeEventListener("pointermove",this.drawPreClick3),this.canvas.removeEventListener("pointerdown",this.drawOnClick3),this.scene.render(),this.subsequent=!1,this.toPush=[])}const ql=new zn({linewidth:1,color:gl.dimension}),Yl=new Rn({color:gl.dimension,size:4});let Zl;async function Jl(){let t,e,n,i=await this.awaitSelection({point:2},{point:1,line:1},{line:2});if(null==i)return;if(i.every((t=>"line"==t.userData.type)))t=new Xn((new Fe).setAttribute("position",new lt(Array(2*(Sc+2)*3).fill(-.001),3)),ql.clone()),Zl=qc(i),e=["angle",Zl,[-1,-1,i[0].name,i[1].name],0],n="a";else{let r;if(t=new Xn((new Fe).setAttribute("position",new lt(Array(24).fill(-.001),3)),ql.clone()),i.every((t=>"point"==t.userData.type))){Zl=0;for(let t=0;t<3;t++)Zl+=(i[0].geometry.attributes.position.array[t]-i[1].geometry.attributes.position.array[t])**2;Zl=Math.sqrt(Zl),e=["pt_pt_distance",Zl,[i[0].name,i[1].name,-1,-1]]}else{r="point"==i[0].userData.type?[0,1]:[1,0];const t=i[r[0]].geometry.attributes.position.array,n=i[r[1]].geometry.attributes.position.array;nc.set(n[0],n[1]),sc.set(n[3],n[4]),Ql.set(t[0],t[1]),vc=sc.clone().sub(nc).normalize(),ac=Ql.clone().sub(nc),cc=vc.multiplyScalar(ac.dot(vc)),xc=ac.clone().sub(cc),Zl=Math.sign(xc.y)*Math.sqrt(xc.x**2+xc.y**2),e=["pt_line_distance",Zl,[i[r[0]].name,-1,i[r[1]].name,-1]]}n="d"}const r=new In((new Fe).setAttribute("position",new lt(3,3)),Yl.clone());t.userData.ids=i.map((t=>t.name)),t.userData.type="dimension",t.userData.dimType=n,r.userData.type="dimension",r.userData.dimType=n,t.layers.enable(2),r.layers.enable(2),this.dimGroup.add(t).add(r);const s=this._onMoveDimension(r,t,!0);let a,o;r.label=document.createElement("div"),r.label.textContent=Zl.toFixed(3),r.label.contentEditable=!0,this.labelContainer.append(r.label);let l=await new Promise((t=>{a=()=>{"a"==r.userData.dimType?r.userData.offset=Ec[5].toArray():r.userData.offset=lc.toArray(),t(!0)},o=e=>"Escape"==e.key&&t(!1),this.canvas.addEventListener("pointermove",s),this.canvas.addEventListener("pointerdown",a),window.addEventListener("keydown",o)}));this.canvas.removeEventListener("pointermove",s),this.canvas.removeEventListener("pointerdown",a),window.removeEventListener("keydown",o),r.geometry.computeBoundingSphere(),t.geometry.computeBoundingSphere(),l?("h"==t.userData.dimType?(e[0]="h_dist",e[1]=sc.x-nc.x):"v"==t.userData.dimType&&(e[0]="v_dist",e[1]=sc.y-nc.y),this.constraints.set(++this.c_id,e),i[0].userData.constraints.push(this.c_id),i[1].userData.constraints.push(this.c_id),this.updateOtherBuffers(),t.name=this.c_id,r.name=this.c_id,r.label.addEventListener("focus",this.updateDim(this.c_id))):(this.dimGroup.children.splice(this.dimGroup.children.length-2,2).forEach((t=>{t.geometry.dispose(),t.material.dispose()})),this.labelContainer.removeChild(this.labelContainer.lastChild),this.scene.render()),"dimension"==this.scene.mode&&this.drawDimension()}function Kl(t){return e=>{let n=e.target.textContent;document.addEventListener("keydown",(i=>{if("Enter"==i.key){i.preventDefault();const r=this.constraints.get(t);r[1]=parseFloat(e.target.textContent),n=r[1],this.constraints.set(t,r),this.updateOtherBuffers(),this.solve(),this.scene.render(),e.target.blur(),this.updateBoundingSpheres()}else"Escape"==i.key&&(e.target.textContent=n,getSelection().empty(),e.target.blur())}))}}const Ql=new V;let $l;function tc(t,e,n){$l=e.userData.ids;let i,r,s=this.obj3d.children[this.objIdx.get($l[0])].geometry.attributes.position.array,a=this.obj3d.children[this.objIdx.get($l[1])].geometry.attributes.position.array;return r="a"==e.userData.dimType?Hc:wc,o=>{i=this.getLocation(o),Ql.set(i.x,i.y),r(e,t,s,a,null,n),this.scene.render()}}function ec(){const t=0==this.labelContainer.childElementCount,e=this.dimGroup.children;let n,i;for(let r=0;r<e.length;r+=2){t&&(n=e[r+1],i=this.constraints.get(n.name)[1],n.label=document.createElement("div"),n.label.textContent=i.toFixed(3),n.label.contentEditable=!0,this.labelContainer.append(n.label),n.label.addEventListener("focus",this.updateDim(this.c_id))),$l=e[r].userData.ids;let s,a=this.obj3d.children[this.objIdx.get($l[0])].geometry.attributes.position.array,o=this.obj3d.children[this.objIdx.get($l[1])].geometry.attributes.position.array;s="a"==e[r].userData.dimType?Hc:wc,s(e[r],e[r+1],a,o,e[r+1].userData.offset)}}const nc=new V;let ic;const rc=new V,sc=new V;let ac,oc,lc,cc,hc,uc,dc,pc,mc,fc,gc,vc,yc,xc,_c,bc,Mc;function wc(t,e,n,i,r,s){const a=t.geometry.attributes.position,o=e.geometry.attributes.position;r&&(n.length<i.length?Ql.set(n[0]+r[0],n[1]+r[1]):Ql.set(i[0]+r[0],i[1]+r[1]));let l=null;if(n.length==i.length)switch(nc.set(n[0],n[1]),sc.set(i[0],i[1]),s&&((Ql.x-nc.x)*(Ql.x-sc.x)>0&&(Ql.y-nc.y)*(Ql.y-sc.y)<0?(t.userData.dimType="v",e.userData.dimType="v",e.label.textContent=(sc.y-nc.y).toFixed(3)):(Ql.x-nc.x)*(Ql.x-sc.x)<0&&(Ql.y-nc.y)*(Ql.y-sc.y)>0?(t.userData.dimType="h",e.userData.dimType="h",e.label.textContent=(sc.x-nc.x).toFixed(3)):(t.userData.dimType="d",e.userData.dimType="d",e.label.textContent=Zl.toFixed(3))),t.userData.dimType){case"v":l=[n[0]+1,n[1]];break;case"h":l=[n[0],n[1]+1];break;default:vc=sc.clone().sub(nc).normalize(),lc=Ql.clone().sub(sc),cc=vc.multiplyScalar(lc.dot(vc)),xc=lc.clone().sub(cc),dc=nc.clone().add(xc),mc=dc.toArray(),pc=sc.clone().add(xc),fc=pc.toArray(),gc=Ql.toArray(),_c=dc.distanceToSquared(Ql),bc=pc.distanceToSquared(Ql),Mc=dc.distanceToSquared(pc),a.array.set(nc.toArray(),0)}(n.length!=i.length||l)&&(l?(nc.set(n[0],n[1]),rc.set(...l),sc.set(i[0],i[1])):n.length>i.length?(nc.set(n[0],n[1]),rc.set(n[3],n[4]),sc.set(i[0],i[1])):(nc.set(i[0],i[1]),rc.set(i[3],i[4]),sc.set(n[0],n[1])),yc=rc.clone().sub(nc),ic=nc.clone().addScaledVector(yc,.5),yc.normalize(),ac=sc.clone().sub(ic),cc=yc.multiplyScalar(ac.dot(yc)),vc=ac.clone().sub(cc),Mc=vc.lengthSq(),vc.normalize(),oc=Ql.clone().sub(ic),hc=vc.clone().multiplyScalar(oc.dot(vc)),lc=Ql.clone().sub(sc),uc=vc.clone().multiplyScalar(lc.dot(vc)),mc=Ql.clone().sub(hc).toArray(),fc=Ql.clone().sub(uc).toArray(),gc=Ql.toArray(),_c=hc.lengthSq(),bc=uc.lengthSq(),a.array.set(ic.toArray(),0)),a.array.set(mc,3),a.array.set(mc,6),a.array.set(fc,9),a.array.set(fc,12),a.array.set(sc.toArray(),15),Mc>=_c&&Mc>=bc?a.array.set(gc,18):_c>bc?a.array.set(fc,18):a.array.set(mc,18),a.array.set(gc,21),a.needsUpdate=!0,o.array.set(gc),o.needsUpdate=!0}const Sc=12,Ec=Array(6);for(let t=0;t<Ec.length;t++)Ec[t]=new V;const Tc=Array(3),Ac=new V;let Lc,Rc,Pc,Cc,Dc,Nc,Ic,Oc,zc,Uc,Fc,Bc,Gc,kc;function Hc(t,e,n,i,r){const s=t.geometry.attributes.position,a=e.geometry.attributes.position;for(Rc=0;Rc<4;)Lc=0==Rc?n:i,Ec[Rc++].set(Lc[0],Lc[1]),Ec[Rc++].set(Lc[3]-Lc[0],Lc[4]-Lc[1]);for(Dc=Ec[3].cross(Ec[1]),Cc=0===Dc?.5:Ac.subVectors(Ec[0],Ec[2]).cross(Ec[3])/Dc,Nc=Ec[4].addVectors(Ec[0],Ec[1].clone().multiplyScalar(Cc)),r&&Ql.set(Nc.x+r[0],Nc.y+r[1]),Ec[5].subVectors(Ql,Nc),Ic=Ec[5].length(),Pc=1,Rc=0;Pc<Ec.length;Pc+=2,Rc++)Tc[Rc]=Math.atan2(Ec[Pc].y,Ec[Pc].x);Oc=Xc(Tc[1]-Tc[0]),zc=Xc(Tc[2]-(Tc[0]+Oc/2)),Uc=Math.abs(zc)<Math.PI/2?0:Math.PI,Fc=Xc(Tc[2]-(Tc[0]+Uc)),Bc=Xc(Tc[2]-(Tc[0]+Oc+Uc)),Oc*Fc<0?(Gc=Tc[0]+Fc+Uc,kc=Oc-Fc):Oc*Bc>0?(Gc=Tc[0]+Uc,kc=Oc+Bc):(Gc=Tc[0]+Uc,kc=Oc),Pc=0,s.array[Pc++]=Nc.x+Ic*Math.cos(Gc),s.array[Pc++]=Nc.y+Ic*Math.sin(Gc),Pc++;let o=Gc+1/Sc*kc;for(s.array[Pc++]=Nc.x+Ic*Math.cos(o),s.array[Pc++]=Nc.y+Ic*Math.sin(o),Pc++,Rc=2;Rc<=Sc;Rc++)s.array[Pc++]=s.array[Pc-4],s.array[Pc++]=s.array[Pc-4],Pc++,o=Gc+Rc/Sc*kc,s.array[Pc++]=Nc.x+Ic*Math.cos(o),s.array[Pc++]=Nc.y+Ic*Math.sin(o),Pc++;for(Rc=0;Rc<2;Rc++)s.array[Pc++]=Ec[2*Rc].x,s.array[Pc++]=Ec[2*Rc].y,Pc++,s.array[Pc++]=Nc.x+Ic*Math.cos(Tc[Rc]+Uc),s.array[Pc++]=Nc.y+Ic*Math.sin(Tc[Rc]+Uc),Pc++;s.needsUpdate=!0,a.array.set(Ql.toArray()),a.needsUpdate=!0}const Vc=2*Math.PI,Wc=2*-Math.PI,jc=-Math.PI;function Xc(t){return t>Math.PI?t=Wc+t:t<jc&&(t=Vc+t),t}const qc=t=>{for(let e=0;e<2;e++){const n=t[e].geometry.attributes.position.array;Ec[2*e].set(...n.slice(0,2)),Ec[2*e+1].set(n[3]-n[0],n[4]-n[1])}const e=Math.atan2(Ec[1].y,Ec[1].x),n=Math.atan2(Ec[3].y,Ec[3].x);let i=Math.abs(n-e);return i>Math.PI&&(i=2*Math.PI-i),i/Math.PI*180};let Yc,Zc;function Jc(t){if(t.buttons)return;let e;fl.setFromCamera(new V((t.clientX-this.rect.left)/this.rect.width*2-1,-(t.clientY-this.rect.top)/this.rect.height*2+1),this.camera),"sketch"!=this.obj3d.userData.type?(fl.layers.set(1),e=fl.intersectObjects(this.obj3d.children,!0)):(fl.layers.set(2),e=fl.intersectObjects([...this.dimGroup.children,...this.obj3d.children]));let n=[];const i=1e-4;if(e.length){let t=1/0;for(let r=0;r<e.length;r++)if(e[r].distanceToRay)if(e[r].distanceToRay<t-i){if(n=[r],"sketch"!=this.obj3d.userData.type)break;t=e[r].distanceToRay}else e[r].distanceToRay<t+i&&n.push(r);n.length||this.disableLineHover||n.push(0)}const r=this.selected||this.scene.selected;if(n.length){if(!this.hovered.length||"number"==typeof this.hovered[0]&&this.hovered[0]!=e[n[0]].index||"object"==typeof this.hovered[0]&&this.hovered[0]!=e[n[0]].object){for(let t=0;t<this.hovered.length;t++){const e=this.hovered[t];"object"!=typeof e||r.includes(e)||wl(e,0)}this.hovered=[];for(let t=0;t<n.length;t++){let i=e[n[t]].object;wl(i,1,!1),"sketch"!=this.obj3d.userData.type&&("point"==i.userData.type?(Yc=i.geometry.attributes.position.array.slice(3*e[n[t]].index,3*e[n[t]].index+3),this.selpoints[0].geometry.attributes.position.array.set(Yc),this.selpoints[0].matrix=i.parent.matrix,this.selpoints[0].geometry.attributes.position.needsUpdate=!0,this.selpoints[0].visible=!0,i=e[n[t]].index,this.selpoints[0].idx=i):this.selpoints[0].visible=!1),this.hovered.push(i)}this.obj3d.dispatchEvent({type:"change"})}}else if(this.hovered.length){for(let t=0;t<this.hovered.length;t++){const e=this.hovered[t];"number"==typeof e?this.selpoints[0].visible=!1:r.includes(e)||wl(e,0)}this.hovered=[],this.obj3d.dispatchEvent({type:"change"})}}function Kc(t){if(this.scene&&["line","arc"].includes(this.scene.mode)||1!=t.buttons)return;const e=this.store||this.scene.store,n=this.selected||this.scene.selected;if(this.hovered.length){let t=this.hovered[this.hovered.length-1];if("object"!=typeof t){const e=this.selpoints[this.fptIdx%3+1],n=this.selpoints[0];e.geometry.attributes.position.array.set(n.geometry.attributes.position.array),e.matrix=n.matrix,e.geometry.attributes.position.needsUpdate=!0,e.visible=!0,t=e,this.fptIdx++}e.dispatch({type:"on-pick",obj:t});const i=n.indexOf(t);if("selpoint"!=t.userData.type&&(-1==i?this.setHover(t,1):this.setHover(n[i],0)),this.obj3d.dispatchEvent({type:"change"}),"sketch"==this.obj3d.userData.type)switch(t.userData.type){case"dimension":const t=this.dimGroup.children.indexOf(this.hovered[0]);t%2&&(this.onDragDim=this._onMoveDimension(this.dimGroup.children[t],this.dimGroup.children[t-1]),this.canvas.addEventListener("pointermove",this.onDragDim),this.canvas.addEventListener("pointerup",(()=>{var e;"a"==(e=this.dimGroup.children[t]).userData.dimType?e.userData.offset=Ec[5].toArray():e.userData.offset=lc.toArray(),this.onRelease()}))),Zc=this.dimGroup.children[t].label,Zc.style.zIndex=-1;break;case"point":this.canvas.addEventListener("pointermove",this.onDrag),this.canvas.addEventListener("pointerup",this.onRelease)}}else{const t=e.getState().treeEntries.visible;for(let e,i=0;i<n.length;i++)e=n[i],"selpoint"==e.userData.type?e.visible=!1:wl(e,0),"sketch"!=e.userData.type||t[e.name]||(e.visible=!1);e.dispatch({type:"clear-selection"}),this.obj3d.dispatchEvent({type:"change"})}}function Qc(t){for(let e=0;e<this.hovered.length;e++){const n=this.hovered[e];this.ptsBuf.set(this.getLocation(t).toArray(),3*this.objIdx.get(n.name))}this.solve(),this.scene.render()}function $c(t){this.canvas.removeEventListener("pointermove",this.onDrag),this.canvas.removeEventListener("pointermove",this.onDragDim),this.canvas.removeEventListener("pointerup",this.onRelease),this.updateBoundingSpheres(),Zc&&(Zc.style.zIndex=0)}function th(){const t=this.selected||this.scene.selected;for(let e,n=0;n<t.length;n++)e=t[n],"selpoint"==e.userData.type?e.visible=!1:wl(e,0);store.dispatch({type:"clear-selection"});for(let t=0;t<this.hovered.length;t++){wl(this.hovered[t],0)}}async function eh(t){let e;if(void 0===t){if(e=await this.awaitSelection({point:2},{point:1,line:1}),null==e)return}else e=t;if(e.every((t=>"point"==t.userData.type)))this.constraints.set(++this.c_id,["points_coincident",-1,[e[0].name,e[1].name,-1,-1]]);else{const t="point"==e[0].userData.type?[0,1]:[1,0];this.constraints.set(++this.c_id,[void 0!==e[t[1]].userData.ccw?"pt_on_circle":"pt_on_line",-1,[e[t[0]].name,-1,e[t[1]].name,-1]])}e[1].userData.constraints.push(this.c_id),e[0].userData.constraints.push(this.c_id),this.updateOtherBuffers(),this.solve(),this.updateBoundingSpheres(),this.clearSelection(),this.scene.render()}async function nh(t=0){let e,n=await this.awaitSelection({point:2},{line:1});null!=n&&(e=1==n.length?[-1,-1,n[0].name,-1]:[n[0].name,n[1].name,-1,-1],this.constraints.set(++this.c_id,[t?"vertical":"horizontal",-1,e]),n.forEach((t=>{t.userData.constraints.push(this.c_id)})),this.updateOtherBuffers(),this.solve(),this.updateBoundingSpheres(),this.clearSelection(),this.scene.render())}async function ih(){let t=await this.awaitSelection({line:2});if(null==t)return;const e={};let n=-1;const i=[];let r,s;for(let a=0;a<2;a++){null==t[a].userData.ccw&&(n=a);const o=t[a].userData.l_id,l=this.linkedObjs.get(o)[1];for(let a=0;a<2;a++){const o=this.obj3d.children[this.objIdx.get(l[a])].userData.constraints;for(let a=0;a<o.length;a++){const c=this.constraints.get(o[a]);if("points_coincident"==c[0]){if(e[o[a]]){for(let t=0;t<2;t++)i[t]=this.obj3d.children[this.objIdx.get(c[2][t])].userData.start?0:1;if(s=0==n?[-1,-1,t[1].name,t[0].name]:[-1,-1,t[0].name,t[1].name],r=-1==n?"curve_curve_tangent":"arc_line_tangent",l.includes(c[2][1])&&0==n||!l.includes(c[2][1])&&0!=n){let t=i[0];i[0]=i[1],i[1]=t}break}e[o[a]]=!0}}}}this.constraints.set(++this.c_id,[r,-1,s,i[0],i[1]]),t.forEach((t=>{t.userData.constraints.push(this.c_id)})),this.updateOtherBuffers(),this.solve(),this.updateBoundingSpheres(),this.clearSelection(),this.scene.render()}function rh(t,e){return e instanceof Map?{dataType:"Map",value:Array.from(e.entries())}:e}function sh(t,e){return"object"==typeof e&&null!==e&&"Map"===e.dataType?new Map(e.value):e}class ah{constructor(t,e){if(this.ptsBuf=new Float32Array(3*this.max_pts).fill(NaN),this.linksBuf=new Float32Array(5*this.max_links).fill(NaN),this.constraintsBuf=new Float32Array(8*this.max_constraints).fill(NaN),this.plane=new pe(new G(0,0,1),0),this.labelContainer=document.getElementById("labels"),void 0===e){this.obj3d=new Ft,this.obj3d.name="s"+t.sid++,this.obj3d.userData.type="sketch",this.obj3d.matrixAutoUpdate=!1,this.objIdx=new Map,this.linkedObjs=new Map,this.l_id=0,this.constraints=new Map,this.c_id=1,this.dimGroup=new Ft,this.dimGroup.name="dimensions",this.obj3d.add(this.dimGroup),this.geomStartIdx=this.obj3d.children.length,this.obj3d.userData.geomStartIdx=this.geomStartIdx,this.labels=[];const e=_l();e.matrixAutoUpdate=!1,e.userData.constraints=[],this.obj3d.add(e),this.updatePointsBuffer()}else this.obj3d=e.obj3d,this.obj3d.inverse=e.obj3d.matrix.clone().invert(),this.objIdx=JSON.parse(e.objIdx,sh),this.linkedObjs=JSON.parse(e.linkedObjs,sh),this.l_id=e.l_id,this.constraints=JSON.parse(e.constraints,sh),this.c_id=e.c_id,this.geomStartIdx=this.obj3d.userData.geomStartIdx,this.dimGroup=this.obj3d.children[this.geomStartIdx-1],this.updatePointsBuffer(),this.updateOtherBuffers(),this.plane.applyMatrix4(this.obj3d.matrix);this.scene=t,this.camera=t.camera,this.canvas=t.canvas,this.rect=t.rect,this.bindHandlers(),this.hovered=[],this.scene.mode="",this.subsequent=!1}toJSON(){return{obj3d:this.obj3d,objIdx:JSON.stringify(this.objIdx,rh),linkedObjs:JSON.stringify(this.linkedObjs,rh),l_id:this.l_id,constraints:JSON.stringify(this.constraints,rh),c_id:this.c_id}}bindHandlers(){this.drawOnClick1=kl.bind(this),this.drawPreClick2=Hl.bind(this),this.drawOnClick2=Vl.bind(this),this.drawPreClick3=Wl.bind(this),this.drawOnClick3=jl.bind(this),this.drawDimension=Jl.bind(this),this._onMoveDimension=tc.bind(this),this.setDimLines=ec.bind(this),this.updateDim=Kl.bind(this),this.awaitSelection=Ml.bind(this),this.onHover=Jc.bind(this),this.onPick=Kc.bind(this),this.onDrag=Qc.bind(this),this.onRelease=$c.bind(this),this.onKeyPress=this.onKeyPress.bind(this),this.setHover=wl.bind(this),this.clearSelection=th.bind(this)}setClean(){this.hasChanged=!1,this.idOnActivate=id,this.c_idOnActivate=this.c_id;const t=e=>{this.scene.selected.length&&e.buttons&&(this.canvas.removeEventListener("pointermove",t),this.hasChanged=!0)};this.canvas.addEventListener("pointermove",t)}activate(){window.addEventListener("keydown",this.onKeyPress),this.canvas.addEventListener("pointerdown",this.onPick),this.canvas.addEventListener("pointermove",this.onHover),this.setDimLines(),this.obj3d.traverse((t=>t.layers.enable(2))),this.obj3d.visible=!0,this.scene.axes.matrix=this.obj3d.matrix,this.scene.axes.visible=!0,this.scene.activeSketch=this,window.sketcher=this,this.setClean()}deactivate(){window.removeEventListener("keydown",this.onKeyPress),this.canvas.removeEventListener("pointerdown",this.onPick),this.canvas.removeEventListener("pointermove",this.onHover),this.labelContainer.innerHTML="",this.obj3d.visible=!1,this.obj3d.traverse((t=>t.layers.disable(2))),this.scene.axes.visible=!1,this.scene.activeSketch=null,this.disableLineHover=!1,this.scene.newSketch&&(this.scene.newSketch=!1),this.clearSelection()}align(t,e,n){const i=ml.subVectors(n,t).normalize(),r=oh.elements;ch.subVectors(e,t).normalize(),uh.crossVectors(ch,i).normalize(),hh.crossVectors(uh,ch),r[0]=ch.x,r[4]=hh.x,r[8]=uh.x,r[1]=ch.y,r[5]=hh.y,r[9]=uh.y,r[2]=ch.z,r[6]=hh.z,r[10]=uh.z,this.obj3d.quaternion.setFromRotationMatrix(oh);const s=this.obj3d.parent;oh.extractRotation(s.matrixWorld),lh.setFromRotationMatrix(oh),this.obj3d.quaternion.premultiply(lh.invert()),this.obj3d.updateMatrix(),this.obj3d.matrix.setPosition(t),this.plane.applyMatrix4(this.obj3d.matrix),this.obj3d.inverse=this.obj3d.matrix.clone().invert()}onKeyPress(t){if(t.isTrusted&&"Escape"==t.key)this.disableLineHover=!1,Xl.call(this),this.scene.store.dispatch({type:"set-mode",mode:""});else{const e={l:"line",a:"arc",p:"point",d:"dimension",c:"coincident",v:"vertical",h:"horizontal",t:"tangent",Delete:"delete",Backspace:"delete"};this.command(e[t.key])}}command(t){let e;switch(this.disableLineHover=!1,Xl.call(this),t){case"delete":this.deleteSelected();break;case"coincident":case"vertical":case"horizontal":case"tangent":window.dispatchEvent(new KeyboardEvent("keydown",{key:"Escape"}));case"line":case"arc":case"point":case"dimension":if(this.scene.mode==t)e="";else switch(e=t,t){case"line":case"arc":this.disableLineHover=!0,this.canvas.addEventListener("pointerdown",this.drawOnClick1,{once:!0});break;case"point":this.disableLineHover=!0,this.canvas.addEventListener("pointerdown",(t=>{if("point"!==this.scene.mode)return;const e=_l();e.matrixAutoUpdate=!1,e.userData.constraints=[],e.geometry.attributes.position.set(this.getLocation(t).toArray()),e.layers.enable(2),this.obj3d.add(e),this.updatePointsBuffer(this.obj3d.children.length-1),this.scene.render()}));break;case"dimension":this.drawDimension();break;case"coincident":eh.call(this).then((()=>this.scene.store.dispatch({type:"set-mode",mode:""})));break;case"vertical":nh.call(this,0).then((()=>this.scene.store.dispatch({type:"set-mode",mode:""})));break;case"horizontal":nh.call(this,1).then((()=>this.scene.store.dispatch({type:"set-mode",mode:""})));break;case"tangent":ih.call(this).then((()=>this.scene.store.dispatch({type:"set-mode",mode:""})))}}void 0!==e&&this.scene.store.dispatch({type:"set-mode",mode:e})}deleteSelected(){this.scene.selected.filter((t=>"dimension"==t.userData.type)).forEach((t=>this.constraints.has(t.name)&&this.deleteConstraints(t.name)));const t=this.scene.selected.filter((t=>"line"==t.userData.type)).sort(((t,e)=>e.id-t.id)).map((t=>this.delete(t)));t.length&&this.updatePointsBuffer(t[t.length-1]),this.updateOtherBuffers(),this.scene.store.dispatch({type:"clear-selection"}),this.scene.render()}delete(t){if(!t)return;if("dimension"==t.userData.type)return void this.deleteConstraints(t.name);let e=this.linkedObjs.get(t.userData.l_id);if(!e)return;e=e[1];let n=this.objIdx.get(e[0])||this.updatePoint;for(let t=0;t<e.length;t++){const e=this.obj3d.children[n+t];e.traverse((t=>{t.geometry&&t.geometry.dispose(),t.material&&t.material.dispose()}));let i,r=[];for(let t of e.userData.constraints.slice())i=this.constraints.get(t),"points_coincident"==i[0]&&r.push(i[2][0]==e.name?i[2][1]:i[2][0]),this.deleteConstraints(t);for(let t=0;t<r.length-1;t++)eh.call(this,[this.obj3d.children[this.objIdx.get(r[t])],this.obj3d.children[this.objIdx.get(r[t+1])]]);e.userData.constraints=[]}return this.obj3d.children.splice(n,e.length),this.linkedObjs.delete(t.userData.l_id),n}deleteConstraints(t){for(let e of this.constraints.get(t)[2]){if(-1==e)continue;const n=this.obj3d.children[this.objIdx.get(e)];n&&n.userData.constraints.splice(n.userData.constraints.indexOf(t),1)}this.constraints.delete(t);for(let e=0;e<this.dimGroup.children.length;e++)if(this.dimGroup.children[e].name==t){this.dimGroup.children.splice(e,e+2).forEach((t=>{t.label&&t.label.remove(),t.geometry.dispose(),t.material.dispose()}));break}}updateOtherBuffers(){let t=0;for(let[e,n]of this.constraints)this.constraintsBuf.set([this.constraintNum[n[0]],n[1],...n[2].map((t=>this.objIdx.get(t)??0)),n[3],n[4]],8*t),t++;t=0;for(let[e,n]of this.linkedObjs)this.linksBuf.set([this.linkNum[n[0]],...n[1].map((t=>this.objIdx.get(t)??-1))],5*t),t++}updatePointsBuffer(t=0){for(let e=t;e<this.obj3d.children.length;e++){const t=this.obj3d.children[e];this.objIdx.set(t.name,e),"Points"==t.type&&this.ptsBuf.set(t.geometry.attributes.position.array,3*e)}}updateBoundingSpheres(){for(let t=this.geomStartIdx;t<this.obj3d.children.length;t++){this.obj3d.children[t].geometry.computeBoundingSphere()}for(let t=0;t<this.dimGroup.children.length;t++){this.dimGroup.children[t].geometry.computeBoundingSphere()}}getLocation(t){return fl.setFromCamera(pl.set((t.clientX-this.rect.left)/this.rect.width*2-1,-(t.clientY-this.rect.top)/this.rect.height*2+1),this.camera),fl.ray.intersectPlane(this.plane,ml).applyMatrix4(this.obj3d.inverse),ml}getScreenXY(t){return ml.set(...t).applyMatrix4(this.obj3d.matrix).project(this.camera)}solve(){const t=Module._malloc(this.ptsBuf.length*this.ptsBuf.BYTES_PER_ELEMENT);Module.HEAPF32.set(this.ptsBuf,t>>2);const e=Module._malloc(this.constraintsBuf.length*this.constraintsBuf.BYTES_PER_ELEMENT);Module.HEAPF32.set(this.constraintsBuf,e>>2);const n=Module._malloc(this.linksBuf.length*this.linksBuf.BYTES_PER_ELEMENT);Module.HEAPF32.set(this.linksBuf,n>>2),Module._solver(this.obj3d.children.length,t,this.constraints.size,e,this.linkedObjs.size,n,this.geomStartIdx);for(let e=this.geomStartIdx,n=(t>>2)+3*this.geomStartIdx;e<this.obj3d.children.length;e+=1,n+=3){const t=this.obj3d.children[e].geometry.attributes.position;isNaN(Module.HEAPF32[n])?(t.array[0]=Module.HEAPF32[n-6],t.array[1]=Module.HEAPF32[n-5],t.array[3]=Module.HEAPF32[n-3],t.array[4]=Module.HEAPF32[n-2]):(t.array[0]=Module.HEAPF32[n],t.array[1]=Module.HEAPF32[n+1]),t.needsUpdate=!0}Module._free(t),Module._free(n),Module._free(e);for(let[t,e]of this.linkedObjs){if("arc"!=e[0])continue;const[t,n,i,r]=e[1].map((t=>this.obj3d.children[this.objIdx.get(t)]));let s;s=Bl(t.geometry.attributes.position.array,n.geometry.attributes.position.array,i.geometry.attributes.position.array),r.geometry.attributes.position.set(s),r.needsUpdate=!0}this.setDimLines()}}const oh=new ht,lh=new B,ch=new G,hh=new G,uh=new G;function dh(t,e){let n=t.constraints,i=t.linkedObjs,r=t.obj3d.children,s=t.objIdx,a=new Set,o=[];function l(e){if(e.userData.construction)return;a.add(e);let c,h,u,d=i.get(e.userData.l_id);if("line"==d[0]?h=d[1][2]:"arc"==d[0]&&(h=d[1][3]),c=r[s.get(h)].geometry.attributes.position.array,d[1][0]==e.name){u=1;for(let t=0;t<c.length;t+=3)o.push(new V(c[t],c[t+1]))}else{u=0;for(let t=c.length-3;t>=0;t-=3)o.push(new V(c[t],c[t+1]))}let p=r[s.get(d[1][u])];r[t.geomStartIdx+1],function(e){for(let i of e.userData.constraints)if("points_coincident"==n.get(i)[0])for(let a of n.get(i)[2]){if(-1==a)continue;const n=r[s.get(a)];n!=e&&(n==r[t.geomStartIdx+1]||l(n))}}(p)}l(r[t.geomStartIdx+1]);const c=new Ai(o),h=new nn(new Us(c,{depth:e,bevelEnabled:!1}),new Br({color:gl.mesh,emissive:gl.emissive}));h.userData.type="mesh",h.userData.featureInfo=[t.obj3d.name,e],h.layers.enable(1);const u=new In(h.geometry,new Rn);return u.userData.type="point",u.visible=!1,u.layers.enable(1),h.add(u),h.matrixAutoUpdate=!1,h.matrix.multiply(t.obj3d.matrix),e<0&&(ph(h.geometry),h.userData.inverted=!0),h}function ph(t){const e=[0,0,0];for(let n=0;n<t.attributes.normal.array.length/9;n++)e[0]=t.attributes.normal.array[9*n],e[1]=t.attributes.normal.array[9*n+1],e[2]=t.attributes.normal.array[9*n+2],t.attributes.normal.array[9*n]=t.attributes.normal.array[9*n+6],t.attributes.normal.array[9*n+1]=t.attributes.normal.array[9*n+7],t.attributes.normal.array[9*n+2]=t.attributes.normal.array[9*n+8],t.attributes.normal.array[9*n+6]=e[0],t.attributes.normal.array[9*n+7]=e[1],t.attributes.normal.array[9*n+8]=e[2];for(let n=0;n<t.attributes.position.array.length/9;n++)e[0]=t.attributes.position.array[9*n],e[1]=t.attributes.position.array[9*n+1],e[2]=t.attributes.position.array[9*n+2],t.attributes.position.array[9*n]=t.attributes.position.array[9*n+6],t.attributes.position.array[9*n+1]=t.attributes.position.array[9*n+7],t.attributes.position.array[9*n+2]=t.attributes.position.array[9*n+8],t.attributes.position.array[9*n+6]=e[0],t.attributes.position.array[9*n+7]=e[1],t.attributes.position.array[9*n+8]=e[2];for(let n=0;n<t.attributes.uv.array.length/6;n++)e[0]=t.attributes.uv.array[6*n],e[1]=t.attributes.uv.array[6*n+1],t.attributes.uv.array[6*n]=t.attributes.uv.array[6*n+4],t.attributes.uv.array[6*n+1]=t.attributes.uv.array[6*n+5],t.attributes.uv.array[6*n+4]=e[0],t.attributes.uv.array[6*n+5]=e[1];t.attributes.normal.needsUpdate=!0,t.attributes.position.needsUpdate=!0,t.attributes.uv.needsUpdate=!0}Object.assign(ah.prototype,{linkNum:{line:0,arc:1},constraintNum:{points_coincident:0,pt_pt_distance:1,pt_plane_distance:2,pt_line_distance:3,pt_face_distance:4,pt_in_plane:5,pt_on_line:6,pt_on_face:7,equal_length_lines:8,length_ratio:9,eq_len_pt_line_d:10,eq_pt_ln_distances:11,equal_angle:12,equal_line_arc_len:13,symmetric:14,symmetric_horiz:15,symmetric_vert:16,symmetric_line:17,at_midpoint:18,horizontal:19,vertical:20,diameter:21,pt_on_circle:22,same_orientation:23,angle:24,parallel:25,perpendicular:26,arc_line_tangent:27,cubic_line_tangent:28,equal_radius:29,proj_pt_distance:30,where_dragged:31,curve_curve_tangent:32,length_difference:33,h_dist:34,v_dist:35},max_pts:1e3,max_links:1e3,max_constraints:1e3});const mh=new G;let fh,gh;class vh extends Ut{constructor(t=new G(0,0,1),e=new G(0,0,0),n=1,i=16776960,r=.2*n,s=.2*r){super(),this.type="ArrowHelper",void 0===fh&&(fh=new Fe,fh.setAttribute("position",new lt([0,0,0,0,1,0],3)),gh=new ts(0,.5,1,5,1),gh.translate(0,-.5,0)),this.position.copy(e),this.line=new Hn(fh,new zn({color:i,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new nn(gh,new Ae({color:i,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(t),this.setLength(n,r,s)}setDirection(t){if(t.y>.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{mh.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(mh,e)}}setLength(t,e=.2*t,n=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}}class yh extends Ut{constructor(t=1){return super(),this.matrixAutoUpdate=!1,this.initialZoom=t,this.length=[5.5,10],this.headLength=2.5,this.headWidth=1.2,this.dirs=[[1,0,0],[0,1,0]],this.add(...this.dirs.map(((t,e)=>new vh(new G(...t),new G(0,0,0),this.length[e],13377306,this.headLength,this.headWidth)))),this}resize(t){const e=this.initialZoom/t;for(let t=0;t<this.children.length;t++)this.children[t].setLength(this.length[t]*e,this.headLength*e,this.headWidth*e)}}var xh=function(t,e){void 0===e&&console.warn('THREE.TrackballControls: The second parameter "domElement" is now mandatory.'),e===document&&console.error('THREE.TrackballControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.');var n=this,i=-1,a=0,o=1,l=2,c=3,h=4;this.object=t,this.domElement=e,this.enabled=!0,this.screen={left:0,top:0,width:0,height:0},this.rotateSpeed=3,this.zoomSpeed=1.2,this.panSpeed=2,this.noRotate=!1,this.noZoom=!1,this.noPan=!1,this.staticMoving=!0,this.dynamicDampingFactor=.2,this.minDistance=0,this.maxDistance=1/0,this.keys=[65,83,68],this.mouseButtons={LEFT:null,MIDDLE:s,RIGHT:r},this.target=new G;var u=1e-6,d=new G,p=1,m=i,f=i,g=new G,v=new V,y=new V,x=new G,_=0,b=new V,M=new V,w=0,S=0,E=new V,T=new V;this.target0=this.target.clone(),this.position0=this.object.position.clone(),this.up0=this.object.up.clone(),this.zoom0=this.object.zoom;var A={type:"change"},L={type:"start"},R={type:"end"};this.handleResize=function(){var t=n.domElement.getBoundingClientRect(),e=n.domElement.ownerDocument.documentElement;n.screen.left=t.left+window.pageXOffset-e.clientLeft,n.screen.top=t.top+window.pageYOffset-e.clientTop,n.screen.width=t.width,n.screen.height=t.height};var P,C,D,N,I,O,z,U,F,k,H,W=(P=new V,function(t,e){return P.set((t-n.screen.left)/n.screen.width,(e-n.screen.top)/n.screen.height),P}),j=function(){var t=new V;return function(e,i){return t.set((e-.5*n.screen.width-n.screen.left)/(.5*n.screen.width),(n.screen.height+2*(n.screen.top-i))/n.screen.width),t}}();function X(t){if(!1!==n.enabled)switch(t.pointerType){case"mouse":case"pen":!function(t){if(t.preventDefault(),t.stopPropagation(),m===i)switch(t.button){case 0:m=n.mouseButtons.LEFT;break;case 1:m=n.mouseButtons.MIDDLE;break;case 2:m=t.ctrlKey?n.mouseButtons.MIDDLE:n.mouseButtons.RIGHT;break;default:m=i}var e=f!==i?f:m;e!==a||n.noRotate?e!==o||n.noZoom?e!==l||n.noPan||(E.copy(W(t.pageX,t.pageY)),T.copy(E)):(b.copy(W(t.pageX,t.pageY)),M.copy(b)):(y.copy(j(t.pageX,t.pageY)),v.copy(y));n.domElement.ownerDocument.addEventListener("pointermove",q),n.domElement.ownerDocument.addEventListener("pointerup",Y),n.dispatchEvent(L)}(t)}}function q(t){if(!1!==n.enabled)switch(t.pointerType){case"mouse":case"pen":!function(t){if(!1===n.enabled)return;t.preventDefault(),t.stopPropagation();var e=f!==i?f:m;e!==a||n.noRotate?e!==o||n.noZoom?e!==l||n.noPan||T.copy(W(t.pageX,t.pageY)):M.copy(W(t.pageX,t.pageY)):(v.copy(y),y.copy(j(t.pageX,t.pageY)));n.update()}(t)}}function Y(t){if(!1!==n.enabled)switch(t.pointerType){case"mouse":case"pen":!function(t){if(!1===n.enabled)return;t.preventDefault(),t.stopPropagation(),m=i,n.domElement.ownerDocument.removeEventListener("pointermove",q),n.domElement.ownerDocument.removeEventListener("pointerup",Y),n.dispatchEvent(R)}(t)}}function Z(t){!1!==n.enabled&&(window.removeEventListener("keydown",Z),f===i&&(t.keyCode!==n.keys[a]||n.noRotate?t.keyCode!==n.keys[o]||n.noZoom?t.keyCode!==n.keys[l]||n.noPan||(f=l):f=o:f=a))}function J(){!1!==n.enabled&&(f=i,window.addEventListener("keydown",Z))}function K(t){if(!1!==n.enabled&&!0!==n.noZoom){switch(t.preventDefault(),t.stopPropagation(),t.deltaMode){case 2:b.y-=.025*t.deltaY;break;case 1:b.y-=.01*t.deltaY;break;default:b.y-=25e-5*t.deltaY}n.update(),n.dispatchEvent(L),n.dispatchEvent(R)}}function Q(t){if(!1!==n.enabled){switch(t.preventDefault(),t.touches.length){case 1:m=c,y.copy(j(t.touches[0].pageX,t.touches[0].pageY)),v.copy(y);break;default:m=h;var e=t.touches[0].pageX-t.touches[1].pageX,i=t.touches[0].pageY-t.touches[1].pageY;S=w=Math.sqrt(e*e+i*i);var r=(t.touches[0].pageX+t.touches[1].pageX)/2,s=(t.touches[0].pageY+t.touches[1].pageY)/2;E.copy(W(r,s)),T.copy(E)}n.dispatchEvent(L)}}function 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Unsupported camera type")},this.reset=function(){m=i,f=i,n.target.copy(n.target0),n.object.position.copy(n.position0),n.object.up.copy(n.up0),n.object.zoom=n.zoom0,n.object.updateProjectionMatrix(),g.subVectors(n.object.position,n.target),n.object.lookAt(n.target),n.dispatchEvent(A),d.copy(n.object.position),p=n.object.zoom},this.dispose=function(){n.domElement.removeEventListener("contextmenu",et),n.domElement.removeEventListener("pointerdown",X),n.domElement.removeEventListener("wheel",K),n.domElement.removeEventListener("touchstart",Q),n.domElement.removeEventListener("touchend",tt),n.domElement.removeEventListener("touchmove",$),n.domElement.ownerDocument.removeEventListener("pointermove",q),n.domElement.ownerDocument.removeEventListener("pointerup",Y),window.removeEventListener("keydown",Z),window.removeEventListener("keyup",J)},this.domElement.addEventListener("contextmenu",et),this.domElement.addEventListener("pointerdown",X),this.domElement.addEventListener("wheel",K),this.domElement.addEventListener("touchstart",Q),this.domElement.addEventListener("touchend",tt),this.domElement.addEventListener("touchmove",$),this.domElement.ownerDocument.addEventListener("pointermove",q),this.domElement.ownerDocument.addEventListener("pointerup",Y),window.addEventListener("keydown",Z),window.addEventListener("keyup",J),this.handleResize(),this.update()};(xh.prototype=Object.create(yt.prototype)).constructor=xh;class _h{constructor(){this.polygons=[]}clone(){let t=new _h;return t.polygons=this.polygons.map((function(t){return t.clone()})),t}toPolygons(){return this.polygons}union(t){let e=new Ah(this.clone().polygons),n=new Ah(t.clone().polygons);return e.clipTo(n),n.clipTo(e),n.invert(),n.clipTo(e),n.invert(),e.build(n.allPolygons()),_h.fromPolygons(e.allPolygons())}subtract(t){let e=new Ah(this.clone().polygons),n=new Ah(t.clone().polygons);return e.invert(),e.clipTo(n),n.clipTo(e),n.invert(),n.clipTo(e),n.invert(),e.build(n.allPolygons()),e.invert(),_h.fromPolygons(e.allPolygons())}intersect(t){let e=new Ah(this.clone().polygons),n=new Ah(t.clone().polygons);return e.invert(),n.clipTo(e),n.invert(),e.clipTo(n),n.clipTo(e),e.build(n.allPolygons()),e.invert(),_h.fromPolygons(e.allPolygons())}inverse(){let t=this.clone();return t.polygons.forEach((t=>t.flip())),t}}_h.fromPolygons=function(t){let e=new _h;return e.polygons=t,e};class bh{constructor(t=0,e=0,n=0){this.x=t,this.y=e,this.z=n}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}clone(){return new bh(this.x,this.y,this.z)}negate(){return this.x*=-1,this.y*=-1,this.z*=-1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}times(t){return this.x*=t,this.y*=t,this.z*=t,this}dividedBy(t){return this.x/=t,this.y/=t,this.z/=t,this}lerp(t,e){return this.add(Mh.copy(t).sub(this).times(e))}unit(){return this.dividedBy(this.length())}length(){return Math.sqrt(this.x**2+this.y**2+this.z**2)}normalize(){return this.unit()}cross(t){let e=this;const n=e.x,i=e.y,r=e.z,s=t.x,a=t.y,o=t.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}}let Mh=new bh,wh=new bh;class Sh{constructor(t,e,n,i){this.pos=(new bh).copy(t),this.normal=(new bh).copy(e),this.uv=(new bh).copy(n),this.uv.z=0,i&&(this.color=(new bh).copy(i))}clone(){return new Sh(this.pos,this.normal,this.uv,this.color)}flip(){this.normal.negate()}interpolate(t,e){return new Sh(this.pos.clone().lerp(t.pos,e),this.normal.clone().lerp(t.normal,e),this.uv.clone().lerp(t.uv,e),this.color&&t.color&&this.color.clone().lerp(t.color,e))}}class Eh{constructor(t,e){this.normal=t,this.w=e}clone(){return new Eh(this.normal.clone(),this.w)}flip(){this.normal.negate(),this.w=-this.w}splitPolygon(t,e,n,i,r){let s=0,a=[];for(let e=0;e<t.vertices.length;e++){let n=this.normal.dot(t.vertices[e].pos)-this.w,i=n<-Eh.EPSILON?2:n>Eh.EPSILON?1:0;s|=i,a.push(i)}switch(s){case 0:(this.normal.dot(t.plane.normal)>0?e:n).push(t);break;case 1:i.push(t);break;case 2:r.push(t);break;case 3:let s=[],o=[];for(let e=0;e<t.vertices.length;e++){let n=(e+1)%t.vertices.length,i=a[e],r=a[n],l=t.vertices[e],c=t.vertices[n];if(2!=i&&s.push(l),1!=i&&o.push(2!=i?l.clone():l),3==(i|r)){let t=(this.w-this.normal.dot(l.pos))/this.normal.dot(Mh.copy(c.pos).sub(l.pos)),e=l.interpolate(c,t);s.push(e),o.push(e.clone())}}s.length>=3&&i.push(new Th(s,t.shared)),o.length>=3&&r.push(new Th(o,t.shared))}}}Eh.EPSILON=1e-5,Eh.fromPoints=function(t,e,n){let i=Mh.copy(e).sub(t).cross(wh.copy(n).sub(t)).normalize();return new Eh(i.clone(),i.dot(t))};class Th{constructor(t,e){this.vertices=t,this.shared=e,this.plane=Eh.fromPoints(t[0].pos,t[1].pos,t[2].pos)}clone(){return new Th(this.vertices.map((t=>t.clone())),this.shared)}flip(){this.vertices.reverse().map((t=>t.flip())),this.plane.flip()}}class Ah{constructor(t){this.plane=null,this.front=null,this.back=null,this.polygons=[],t&&this.build(t)}clone(){let t=new Ah;return t.plane=this.plane&&this.plane.clone(),t.front=this.front&&this.front.clone(),t.back=this.back&&this.back.clone(),t.polygons=this.polygons.map((t=>t.clone())),t}invert(){for(let 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Ah),this.back.build(n))}}_h.fromJSON=function(t){return _h.fromPolygons(t.polygons.map((t=>new Th(t.vertices.map((t=>new Sh(t.pos,t.normal,t.uv))),t.shared))))},_h.fromGeometry=function(t,e){if(!t.isBufferGeometry)return void console.error("Unsupported CSG input type:"+t.type);let n,i=[],r=t.attributes.position,s=t.attributes.normal,a=t.attributes.uv,o=t.attributes.color;if(t.index)n=t.index.array;else{n=new Array(r.array.length/r.itemSize|0);for(let t=0;t<n.length;t++)n[t]=t}let l=n.length/3|0;i=new Array(l);for(let t=0,l=0,c=n.length;t<c;t+=3,l++){let c=new Array(3);for(let e=0;e<3;e++){let i=n[t+e],l=3*i,h=2*i,u=r.array[l],d=r.array[l+1],p=r.array[l+2],m=s.array[l],f=s.array[l+1],g=s.array[l+2],v=a.array[h],y=a.array[h+1];c[e]=new Sh({x:u,y:d,z:p},{x:m,y:f,z:g},{x:v,y,z:0},o&&{x:o.array[h],y:o.array[h+1],z:o.array[h+2]})}i[l]=new Th(c,e)}return _h.fromPolygons(i)};let Lh=new G,Rh=new wt;_h.fromMesh=function(t,e){let 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Pr(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(t,(function(n){let s=null;try{s=JSON.parse(n)}catch(e){return void 0!==i&&i(e),void console.error("THREE:ObjectLoader: Can't parse "+t+".",e.message)}const a=s.metadata;void 0!==a&&void 0!==a.type&&"geometry"!==a.type.toLowerCase()?r.parse(s,e):console.error("THREE.ObjectLoader: Can't load "+t)}),n,i)}parse(t,e){const n=this.parseAnimations(t.animations),i=this.parseShapes(t.shapes),r=this.parseGeometries(t.geometries,i),s=this.parseImages(t.images,(function(){void 0!==e&&e(l)})),a=this.parseTextures(t.textures,s),o=this.parseMaterials(t.materials,a),l=this.parseObject(t.object,r,o,n),c=this.parseSkeletons(t.skeletons,l);if(this.bindSkeletons(l,c),void 0!==e){let t=!1;for(const e in s)if(s[e]instanceof HTMLImageElement){t=!0;break}!1===t&&e(l)}return l}parseShapes(t){const e={};if(void 0!==t)for(let n=0,i=t.length;n<i;n++){const i=(new Ai).fromJSON(t[n]);e[i.uuid]=i}return e}parseSkeletons(t,e){const n={},i={};if(e.traverse((function(t){t.isBone&&(i[t.uuid]=t)})),void 0!==t)for(let e=0,r=t.length;e<r;e++){const r=(new si).fromJSON(t[e],i);n[r.uuid]=r}return n}parseGeometries(t,n){const r={};let s;if(void 0!==t){const a=new Kr;for(let o=0,l=t.length;o<l;o++){let l;const c=t[o];switch(c.type){case"PlaneGeometry":case"PlaneBufferGeometry":l=new i[c.type](c.width,c.height,c.widthSegments,c.heightSegments);break;case"BoxGeometry":case"BoxBufferGeometry":l=new i[c.type](c.width,c.height,c.depth,c.widthSegments,c.heightSegments,c.depthSegments);break;case"CircleGeometry":case"CircleBufferGeometry":l=new i[c.type](c.radius,c.segments,c.thetaStart,c.thetaLength);break;case"CylinderGeometry":case"CylinderBufferGeometry":l=new i[c.type](c.radiusTop,c.radiusBottom,c.height,c.radialSegments,c.heightSegments,c.openEnded,c.thetaStart,c.thetaLength);break;case"ConeGeometry":case"ConeBufferGeometry":l=new i[c.type](c.radius,c.height,c.radialSegments,c.heightSegments,c.openEnded,c.thetaStart,c.thetaLength);break;case"SphereGeometry":case"SphereBufferGeometry":l=new i[c.type](c.radius,c.widthSegments,c.heightSegments,c.phiStart,c.phiLength,c.thetaStart,c.thetaLength);break;case"DodecahedronGeometry":case"DodecahedronBufferGeometry":case"IcosahedronGeometry":case"IcosahedronBufferGeometry":case"OctahedronGeometry":case"OctahedronBufferGeometry":case"TetrahedronGeometry":case"TetrahedronBufferGeometry":l=new i[c.type](c.radius,c.detail);break;case"RingGeometry":case"RingBufferGeometry":l=new i[c.type](c.innerRadius,c.outerRadius,c.thetaSegments,c.phiSegments,c.thetaStart,c.thetaLength);break;case"TorusGeometry":case"TorusBufferGeometry":l=new i[c.type](c.radius,c.tube,c.radialSegments,c.tubularSegments,c.arc);break;case"TorusKnotGeometry":case"TorusKnotBufferGeometry":l=new i[c.type](c.radius,c.tube,c.tubularSegments,c.radialSegments,c.p,c.q);break;case"TubeGeometry":case"TubeBufferGeometry":l=new i[c.type]((new e[c.path.type]).fromJSON(c.path),c.tubularSegments,c.radius,c.radialSegments,c.closed);break;case"LatheGeometry":case"LatheBufferGeometry":l=new i[c.type](c.points,c.segments,c.phiStart,c.phiLength);break;case"PolyhedronGeometry":case"PolyhedronBufferGeometry":l=new i[c.type](c.vertices,c.indices,c.radius,c.details);break;case"ShapeGeometry":case"ShapeBufferGeometry":s=[];for(let t=0,e=c.shapes.length;t<e;t++){const e=n[c.shapes[t]];s.push(e)}l=new i[c.type](s,c.curveSegments);break;case"ExtrudeGeometry":case"ExtrudeBufferGeometry":s=[];for(let t=0,e=c.shapes.length;t<e;t++){const e=n[c.shapes[t]];s.push(e)}const t=c.options.extrudePath;void 0!==t&&(c.options.extrudePath=(new e[t.type]).fromJSON(t)),l=new i[c.type](s,c.options);break;case"BufferGeometry":case"InstancedBufferGeometry":l=a.parse(c);break;case"Geometry":console.error('THREE.ObjectLoader: Loading "Geometry" is not supported anymore.');break;default:console.warn('THREE.ObjectLoader: Unsupported geometry type "'+c.type+'"');continue}l.uuid=c.uuid,void 0!==c.name&&(l.name=c.name),!0===l.isBufferGeometry&&void 0!==c.userData&&(l.userData=c.userData),r[c.uuid]=l}}return r}parseMaterials(t,e){const n={},i={};if(void 0!==t){const r=new qr;r.setTextures(e);for(let e=0,s=t.length;e<s;e++){const s=t[e];if("MultiMaterial"===s.type){const t=[];for(let e=0;e<s.materials.length;e++){const i=s.materials[e];void 0===n[i.uuid]&&(n[i.uuid]=r.parse(i)),t.push(n[i.uuid])}i[s.uuid]=t}else void 0===n[s.uuid]&&(n[s.uuid]=r.parse(s)),i[s.uuid]=n[s.uuid]}}return i}parseAnimations(t){const e={};if(void 0!==t)for(let n=0;n<t.length;n++){const i=t[n],r=Ar.parse(i);e[r.uuid]=r}return e}parseImages(t,e){const n=this,i={};let r;function s(t){if("string"==typeof t){const e=t;return function(t){return n.manager.itemStart(t),r.load(t,(function(){n.manager.itemEnd(t)}),void 0,(function(){n.manager.itemError(t),n.manager.itemEnd(t)}))}(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:n.resourcePath+e)}return t.data?{data:Pe(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){const n=new hr(e);r=new pr(n),r.setCrossOrigin(this.crossOrigin);for(let e=0,n=t.length;e<n;e++){const n=t[e],r=n.url;if(Array.isArray(r)){i[n.uuid]=[];for(let t=0,e=r.length;t<e;t++){const e=s(r[t]);null!==e&&(e instanceof HTMLImageElement?i[n.uuid].push(e):i[n.uuid].push(new lr(e.data,e.width,e.height)))}}else{const t=s(n.url);null!==t&&(i[n.uuid]=t)}}}return i}parseTextures(t,e){function n(t,e){return"number"==typeof t?t:(console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.",t),e[t])}const i={};if(void 0!==t)for(let r=0,s=t.length;r<s;r++){const s=t[r];let a;void 0===s.image&&console.warn('THREE.ObjectLoader: No "image" specified for',s.uuid),void 0===e[s.image]&&console.warn("THREE.ObjectLoader: Undefined image",s.image);const o=e[s.image];Array.isArray(o)?(a=new or(o),6===o.length&&(a.needsUpdate=!0)):(a=o&&o.data?new lr(o.data,o.width,o.height):new sr(o),o&&(a.needsUpdate=!0)),a.uuid=s.uuid,void 0!==s.name&&(a.name=s.name),void 0!==s.mapping&&(a.mapping=n(s.mapping,$s)),void 0!==s.offset&&a.offset.fromArray(s.offset),void 0!==s.repeat&&a.repeat.fromArray(s.repeat),void 0!==s.center&&a.center.fromArray(s.center),void 0!==s.rotation&&(a.rotation=s.rotation),void 0!==s.wrap&&(a.wrapS=n(s.wrap[0],ta),a.wrapT=n(s.wrap[1],ta)),void 0!==s.format&&(a.format=s.format),void 0!==s.type&&(a.type=s.type),void 0!==s.encoding&&(a.encoding=s.encoding),void 0!==s.minFilter&&(a.minFilter=n(s.minFilter,ea)),void 0!==s.magFilter&&(a.magFilter=n(s.magFilter,ea)),void 0!==s.anisotropy&&(a.anisotropy=s.anisotropy),void 0!==s.flipY&&(a.flipY=s.flipY),void 0!==s.premultiplyAlpha&&(a.premultiplyAlpha=s.premultiplyAlpha),void 0!==s.unpackAlignment&&(a.unpackAlignment=s.unpackAlignment),i[s.uuid]=a}return i}parseObject(t,e,n,i){let r,s,a;function o(t){return void 0===e[t]&&console.warn("THREE.ObjectLoader: Undefined geometry",t),e[t]}function l(t){if(void 0!==t){if(Array.isArray(t)){const e=[];for(let i=0,r=t.length;i<r;i++){const r=t[i];void 0===n[r]&&console.warn("THREE.ObjectLoader: Undefined material",r),e.push(n[r])}return e}return void 0===n[t]&&console.warn("THREE.ObjectLoader: Undefined material",t),n[t]}}switch(t.type){case"Scene":r=new er,void 0!==t.background&&Number.isInteger(t.background)&&(r.background=new J(t.background)),void 0!==t.fog&&("Fog"===t.fog.type?r.fog=new Li(t.fog.color,t.fog.near,t.fog.far):"FogExp2"===t.fog.type&&(r.fog=new Ri(t.fog.color,t.fog.density)));break;case"PerspectiveCamera":r=new Gi(t.fov,t.aspect,t.near,t.far),void 0!==t.focus&&(r.focus=t.focus),void 0!==t.zoom&&(r.zoom=t.zoom),void 0!==t.filmGauge&&(r.filmGauge=t.filmGauge),void 0!==t.filmOffset&&(r.filmOffset=t.filmOffset),void 0!==t.view&&(r.view=Object.assign({},t.view));break;case"OrthographicCamera":r=new Yi(t.left,t.right,t.top,t.bottom,t.near,t.far),void 0!==t.zoom&&(r.zoom=t.zoom),void 0!==t.view&&(r.view=Object.assign({},t.view));break;case"AmbientLight":r=new Ki(t.color,t.intensity);break;case"DirectionalLight":r=new Ji(t.color,t.intensity);break;case"PointLight":r=new qi(t.color,t.intensity,t.distance,t.decay);break;case"RectAreaLight":r=new Qi(t.color,t.intensity,t.width,t.height);break;case"SpotLight":r=new Hi(t.color,t.intensity,t.distance,t.angle,t.penumbra,t.decay);break;case"HemisphereLight":r=new Ci(t.color,t.groundColor,t.intensity);break;case"LightProbe":r=(new tr).fromJSON(t);break;case"SkinnedMesh":s=o(t.geometry),a=l(t.material),r=new ei(s,a),void 0!==t.bindMode&&(r.bindMode=t.bindMode),void 0!==t.bindMatrix&&r.bindMatrix.fromArray(t.bindMatrix),void 0!==t.skeleton&&(r.skeleton=t.skeleton);break;case"Mesh":s=o(t.geometry),a=l(t.material),r=new nn(s,a);break;case"InstancedMesh":s=o(t.geometry),a=l(t.material);const e=t.count,n=t.instanceMatrix;r=new cn(s,a,e),r.instanceMatrix=new $(new Float32Array(n.array),16);break;case"LOD":r=new Zn;break;case"Line":r=new Hn(o(t.geometry),l(t.material));break;case"LineLoop":r=new Vn(o(t.geometry),l(t.material));break;case"LineSegments":r=new Xn(o(t.geometry),l(t.material));break;case"PointCloud":case"Points":r=new In(o(t.geometry),l(t.material));break;case"Sprite":r=new An(l(t.material));break;case"Group":r=new Ft;break;case"Bone":r=new ni;break;default:r=new Ut}if(r.uuid=t.uuid,void 0!==t.name&&(r.name=t.name),void 0!==t.matrix?(r.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(r.matrixAutoUpdate=t.matrixAutoUpdate),r.matrixAutoUpdate&&r.matrix.decompose(r.position,r.quaternion,r.scale)):(void 0!==t.position&&r.position.fromArray(t.position),void 0!==t.rotation&&r.rotation.fromArray(t.rotation),void 0!==t.quaternion&&r.quaternion.fromArray(t.quaternion),void 0!==t.scale&&r.scale.fromArray(t.scale)),void 0!==t.castShadow&&(r.castShadow=t.castShadow),void 0!==t.receiveShadow&&(r.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.bias&&(r.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(r.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(r.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&r.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(r.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(r.visible=t.visible),void 0!==t.frustumCulled&&(r.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(r.renderOrder=t.renderOrder),void 0!==t.userData&&(r.userData=t.userData),void 0!==t.layers&&(r.layers.mask=t.layers),void 0!==t.children){const s=t.children;for(let t=0;t<s.length;t++)r.add(this.parseObject(s[t],e,n,i))}if(void 0!==t.animations){const e=t.animations;for(let t=0;t<e.length;t++){const n=e[t];r.animations.push(i[n])}}if("LOD"===t.type){void 0!==t.autoUpdate&&(r.autoUpdate=t.autoUpdate);const e=t.levels;for(let t=0;t<e.length;t++){const n=e[t],i=r.getObjectByProperty("uuid",n.object);void 0!==i&&r.addLevel(i,n.distance)}}return r}bindSkeletons(t,e){0!==Object.keys(e).length&&t.traverse((function(t){if(!0===t.isSkinnedMesh&&void 0!==t.skeleton){const n=e[t.skeleton];void 0===n?console.warn("THREE.ObjectLoader: No skeleton found with UUID:",t.skeleton):t.bind(n,t.bindMatrix)}}))}setTexturePath(t){return console.warn("THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath()."),this.setResourcePath(t)}},window.STLexp=new Nh,window.id=0;function kh(){if(this.resizeCanvas(this.renderer)){const t=this.renderer.domElement;this.camera.left=-t.clientWidth/t.clientHeight,this.camera.right=t.clientWidth/t.clientHeight,this.camera.updateProjectionMatrix(),this.controls.handleResize(),Object.assign(this.rect,this.canvas.getBoundingClientRect().toJSON())}if(this.axes&&this.axes.resize(this.camera.zoom),this.renderer.render(this.obj3d,this.camera),this.activeSketch)for(Bh=this.activeSketch.dimGroup.children,Gh=this.activeSketch.obj3d.matrix,Ih=1;Ih<Bh.length;Ih+=2)Uh=Bh[Ih],Fh=ml.set(...Uh.geometry.attributes.position.array).applyMatrix4(Gh).project(this.camera),Oh=(.5*Fh.x+.5)*this.canvas.clientWidth+10+this.rect.left,zh=(-.5*Fh.y+.5)*this.canvas.clientHeight+this.rect.top,Uh.label.style.transform=`translate(0%, -50%) translate(${Oh}px,${zh}px)`}function Hh(){let t;if(3==this.selected.length&&this.selected.every((t=>"selpoint"==t.userData.type)))t=new ah(this),this.obj3d.add(t.obj3d),t.align(...this.selected.map((t=>new G(...t.geometry.attributes.position.array).applyMatrix4(t.matrixWorld))));else{if(!this.selected.length||"plane"!=this.selected[0].userData.type)return;t=new ah(this),t.obj3d.matrix=this.selected[0].matrix,t.plane.applyMatrix4(t.obj3d.matrix),t.obj3d.inverse=t.obj3d.matrix.clone().invert(),this.obj3d.add(t.obj3d)}return this.newSketch=!0,this.clearSelection(),t.obj3d.addEventListener("change",this.render),t}window.sce=new class{constructor(t){this.sid=1,this.mid=1,this.canvas=document.querySelector("#c"),this.rect=this.canvas.getBoundingClientRect().toJSON(),this.renderer=new cl({canvas:this.canvas}),this.store=t;this.camera=new Yi(-1,1,1,-1,-1,1e3),this.camera.zoom=.008;const e=30*Math.PI/180;this.camera.position.set(500*Math.sin(e),500*Math.tan(30*Math.PI/180),500*Math.cos(e)),this.camera.layers.enable(3),this.controls=new xh(this.camera,this.canvas),this.controls.target.set(0,0,0),this.controls.update(),this.obj3d=new er;const n=new Ft;n.name="helpers",this.obj3d.add(n);for(let t=0;t<4;t++){const t=new In((new Fe).setAttribute("position",new lt(3,3)),Sl.clone());t.matrixAutoUpdate=!1,t.visible=!1,t.renderOrder=1,t.userData.type="selpoint",n.add(t)}this.selpoints=this.obj3d.children[0].children,this.fptIdx=0,this.fptObj={};const i=new Vs(50,50),r=new nn(i,new Ae({color:gl.plane,opacity:.02,side:2,transparent:!0,depthWrite:!1,toneMapped:!1}));r.add(new Xn(new ls(i),new zn({color:gl.planeBorder}))),r.userData.type="plane",r.layers.enable(1),r.children[0].layers.disable(1);const s=r.clone().rotateY(Math.PI/2),a=r.clone().rotateX(-Math.PI/2);n.add(r),[a,s].forEach((t=>{t.traverse((t=>t.material=t.material.clone())),n.add(t)})),this.axes=new yh(this.camera.zoom),this.axes.visible=!1,n.add(this.axes);const o=500,l=new qi(gl.lighting,.7);l.position.set(o,o,o),n.add(l);const c=new qi(gl.lighting,.7);c.position.set(-500,-500,-500),n.add(c),this.render=kh.bind(this),this.addSketch=Hh.bind(this),this.onHover=Jc.bind(this),this.onPick=Kc.bind(this),this.clearSelection=th.bind(this),this.setHover=wl.bind(this),this.awaitSelection=Ml.bind(this),this.extrude=this.extrude.bind(this),this.obj3d.addEventListener("change",this.render),this.controls.addEventListener("change",this.render),this.controls.addEventListener("start",this.render),window.addEventListener("resize",this.render),this.hovered=[],this.activeSketch=null,this.selected=[],this.mode="",this.store.subscribe(this.reduxCallback.bind(this)),this.render()}reduxCallback(){const t=this.store.getState().ui.selectedList,e=this.store.getState().ui.mode;t!==this.selected&&(this.selected=t),e!==this.mode&&(this.mode=e)}resizeCanvas(t){const e=t.domElement,n=e.clientWidth,i=e.clientHeight,r=e.width!==n||e.height!==i;return r&&t.setSize(n,i,!1),r}clearScene(){const t=this.obj3d.children.splice(1);for(let e=0;e<t.length;e++)t[e].traverse((t=>{t.geometry&&t.geometry.dispose(),t.material&&t.material.dispose()}))}newPart(){this.clearScene(),window.id=0,this.sid=1,this.mid=1}loadState(t){this.clearScene();const[e,n,i,r]=JSON.parse(t);window.id=e,this.sid=n,this.mid=i;const s=r.byId;for(let t in s)"s"==t[0]?(s[t].obj3d=loader.parse(s[t].obj3d),this.obj3d.add(s[t].obj3d),s[t]=new ah(this,s[t]),s[t].obj3d.addEventListener("change",this.render)):"e"==t[0]?(s[t]=loader.parse(r.byId[t]),s[t].userData.inverted&&ph(s[t].geometry),this.obj3d.add(s[t])):(s[t]=loader.parse(r.byId[t]),this.obj3d.add(s[t]));return r}loadSketch(t){let e=JSON.parse(t);return e.obj3d=loader.parse(e.obj3d),e=new ah(this,e),e.obj3d.addEventListener("change",this.render),e}extrude(t,e){const n=dh(t,e);return n.name="e"+this.mid++,this.obj3d.add(n),n}boolOp(t,e,n){let i,r,s=Dh.fromMesh(t),a=Dh.fromMesh(e);switch(t.visible=!1,e.visible=!1,t.traverse((t=>t.layers.disable(1))),e.traverse((t=>t.layers.disable(1))),n){case"s":i=s.subtract(a),r="-";break;case"u":i=s.union(a),r="∪";break;case"i":i=s.intersect(a),r="∩"}let o=Dh.toMesh(i,t.matrix,t.material);o.userData.type="mesh",o.userData.featureInfo=[t.name,e.name,n],o.name=`(${t.name} ${r} ${e.name})`,o.layers.enable(1);const l=new In(o.geometry,new Rn);return l.visible=!1,l.userData.type="point",l.layers.enable(1),o.add(l),o}refreshNode(t,{byId:e,tree:n}){let i,r=[t],s=0;for(;s<r.length;){if(i=r[s++],e[i].userData){const t=e[i].userData.featureInfo;let n;2==t.length?n=dh(e[t[0]],t[1]):3==t.length&&(n=this.boolOp(e[t[0]],e[t[1]],t[2])),e[i].geometry.copy(n.geometry),e[i].geometry.parameters=n.geometry.parameters}for(let t in n[i])r.push(t)}}}(store)})();