t){let e=super.toJSON(t);return e.object.shadow=this.shadow.toJSON(),e.object.target=this.target.uuid,e}},ul=class extends Fn{constructor(t,e){super(t,e),this.isAmbientLight=!0,this.type="AmbientLight"}},dl=class extends Fn{constructor(t,e,n=10,i=10){super(t,e),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=n,this.height=i}get power(){return this.intensity*this.width*this.height*Math.PI}set power(t){this.intensity=t/(this.width*this.height*Math.PI)}copy(t){return super.copy(t),this.width=t.width,this.height=t.height,this}toJSON(t){let e=super.toJSON(t);return e.object.width=this.width,e.object.height=this.height,e}},qr=class{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new C)}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){let n=t.x,i=t.y,r=t.z,a=this.coefficients;return e.copy(a[0]).multiplyScalar(.282095),e.addScaledVector(a[1],.488603*i),e.addScaledVector(a[2],.488603*r),e.addScaledVector(a[3],.488603*n),e.addScaledVector(a[4],1.092548*(n*i)),e.addScaledVector(a[5],1.092548*(i*r)),e.addScaledVector(a[6],.315392*(3*r*r-1)),e.addScaledVector(a[7],1.092548*(n*r)),e.addScaledVector(a[8],.546274*(n*n-i*i)),e}getIrradianceAt(t,e){let n=t.x,i=t.y,r=t.z,a=this.coefficients;return e.copy(a[0]).multiplyScalar(.886227),e.addScaledVector(a[1],2*.511664*i),e.addScaledVector(a[2],2*.511664*r),e.addScaledVector(a[3],2*.511664*n),e.addScaledVector(a[4],2*.429043*n*i),e.addScaledVector(a[5],2*.429043*i*r),e.addScaledVector(a[6],.743125*r*r-.247708),e.addScaledVector(a[7],2*.429043*n*r),e.addScaledVector(a[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){let n=this.coefficients;for(let i=0;i<9;i++)n[i].fromArray(t,e+i*3);return this}toArray(t=[],e=0){let n=this.coefficients;for(let i=0;i<9;i++)n[i].toArray(t,e+i*3);return t}static getBasisAt(t,e){let 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)}},fl=class extends Fn{constructor(t=new qr,e=1){super(void 0,e),this.isLightProbe=!0,this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}toJSON(t){let e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}},mf={},pl=class s extends He{constructor(t){super(t),this.textures={}}load(t,e,n,i){let r=this,a=new En(r.manager);a.setPath(r.path),a.setRequestHeader(r.requestHeader),a.setWithCredentials(r.withCredentials),a.load(t,function(o){try{e(r.parse(JSON.parse(o)))}catch(l){i?i(l):Lt(l),r.manager.itemError(t)}},n,i)}parse(t){let e=this.createMaterialFromType(t.type);return e.fromJSON(t,this.textures),e}setTextures(t){return this.textures=t,this}createMaterialFromType(t){return s.createMaterialFromType(t)}static createMaterialFromType(t){let n={ShadowMaterial:Jo,SpriteMaterial:Mr,RawShaderMaterial:Br,ShaderMaterial:nn,PointsMaterial:Tr,MeshPhysicalMaterial:$o,MeshStandardMaterial:zr,MeshPhongMaterial:Ko,MeshToonMaterial:Qo,MeshNormalMaterial:jo,MeshLambertMaterial:tl,MeshDepthMaterial:Vr,MeshDistanceMaterial:kr,MeshBasicMaterial:Nn,MeshMatcapMaterial:el,LineDashedMaterial:nl,LineBasicMaterial:Oe,Material:Pe,...mf}[t],i;return n===void 0?($n(`MaterialLoader: Unknown material type "${t}". Use .registerMaterial() before starting the deserialization process.`),i=new Pe):i=new n,i}static registerMaterial(t,e){mf[t]=e}},Yr=class{static extractUrlBase(t){let e=t.lastIndexOf("/");return e===-1?"./":t.slice(0,e+1)}static resolveURL(t,e){return typeof t!="string"||t===""?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}},ml=class extends Yt{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(t){return super.copy(t),this.instanceCount=t.instanceCount,this}toJSON(){let t=super.toJSON();return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}},gl=class extends He{constructor(t){super(t)}load(t,e,n,i){let r=this,a=new En(r.manager);a.setPath(r.path),a.setRequestHeader(r.requestHeader),a.setWithCredentials(r.withCredentials),a.load(t,function(o){try{e(r.parse(JSON.parse(o)))}catch(l){i?i(l):Lt(l),r.manager.itemError(t)}},n,i)}parse(t){let e={},n={};function i(f,p){if(e[