nRoughnessMap!==void 0&&(this.sheenRoughnessMap=e[t.sheenRoughnessMap]||null),this}clone(){return new this.constructor().copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;let e=t.clippingPlanes,n=null;if(e!==null){let i=e.length;n=new Array(i);for(let r=0;r!==i;++r)n[r]=e[r].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.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.allowOverride=t.allowOverride,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){t===!0&&this.version++}},Mr=class extends Pe{constructor(t){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new Mt(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}},us,Qs=new C,ds=new C,fs=new C,ps=new nt,js=new nt,vp=new Wt,va=new C,tr=new C,ya=new C,Ld=new nt,Bc=new nt,Dd=new nt,go=class extends re{constructor(t=new Mr){if(super(),this.isSprite=!0,this.type="Sprite",us===void 0){us=new Yt;let e=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),n=new Rs(e,5);us.setIndex([0,1,2,0,2,3]),us.setAttribute("position",new ki(n,3,0,!1)),us.setAttribute("uv",new ki(n,2,3,!1))}this.geometry=us,this.material=t,this.center=new nt(.5,.5),this.count=1}intersectsFrustum(t){return t.intersectsSprite(this)}raycast(t,e){t.camera===null&&Lt('Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),ds.setFromMatrixScale(this.matrixWorld),vp.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),fs.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&this.material.sizeAttenuation===!1&&ds.multiplyScalar(-fs.z);let n=this.material.rotation,i,r;n!==0&&(r=Math.cos(n),i=Math.sin(n));let a=this.center;Sa(va.set(-.5,-.5,0),fs,a,ds,i,r),Sa(tr.set(.5,-.5,0),fs,a,ds,i,r),Sa(ya.set(.5,.5,0),fs,a,ds,i,r),Ld.set(0,0),Bc.set(1,0),Dd.set(1,1);let o=t.ray.intersectTriangle(va,tr,ya,!1,Qs);if(o===null&&(Sa(tr.set(-.5,.5,0),fs,a,ds,i,r),Bc.set(0,1),o=t.ray.intersectTriangle(va,ya,tr,!1,Qs),o===null))return;let l=t.ray.origin.distanceTo(Qs);lt.far||e.push({distance:l,point:Qs.clone(),uv:Pn.getInterpolation(Qs,va,tr,ya,Ld,Bc,Dd,new nt),face:null,object:this})}copy(t,e){return super.copy(t,e),t.center!==void 0&&this.center.copy(t.center),this.material=t.material,this}};function Sa(s,t,e,n,i,r){ps.subVectors(s,e).addScalar(.5).multiply(n),i!==void 0?(js.x=r*ps.x-i*ps.y,js.y=i*ps.x+r*ps.y):js.copy(ps),s.copy(t),s.x+=js.x,s.y+=js.y,s.applyMatrix4(vp)}var Ma=new C,Nd=new C,_o=class extends re{constructor(){super(),this.isLOD=!0,this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);let e=t.levels;for(let n=0,i=e.length;n0){let n,i;for(n=1,i=e.length;n