5]*n+r[8]*i,this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}},Ve=new Mt;Mt.NAMES=xp;var fo=class s{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Mt(t),this.density=e}clone(){return new s(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}},po=class s{constructor(t,e=1,n=1e3){this.isFog=!0,this.name="",this.color=new Mt(t),this.near=e,this.far=n}clone(){return new s(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}},mo=class extends re{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new Tn,this.environmentIntensity=1,this.environmentRotation=new Tn,this.overrideMaterial=null,typeof __THREE_DEVTOOLS__<"u"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),t.background!==null&&(this.background=t.background.clone()),t.environment!==null&&(this.environment=t.environment.clone()),t.fog!==null&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),t.overrideMaterial!==null&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){let e=super.toJSON(t);return this.fog!==null&&(e.object.fog=this.fog.toJSON()),e.object.backgroundBlurriness=this.backgroundBlurriness,e.object.backgroundIntensity=this.backgroundIntensity,e.object.backgroundRotation=this.backgroundRotation.toArray(),e.object.environmentIntensity=this.environmentIntensity,e.object.environmentRotation=this.environmentRotation.toArray(),e}},xn=new C,Wn=new C,wc=new C,Xn=new C,rs=new C,as=new C,Pd=new C,Cc=new C,Rc=new C,Ic=new C,Pc=new fe,Lc=new fe,Dc=new fe,Pn=class s{constructor(t=new C,e=new C,n=new C){this.a=t,this.b=e,this.c=n}static getNormal(t,e,n,i){i.subVectors(n,e),xn.subVectors(t,e),i.cross(xn);let r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){xn.subVectors(i,e),Wn.subVectors(n,e),wc.subVectors(t,e);let a=xn.dot(xn),o=xn.dot(Wn),l=xn.dot(wc),c=Wn.dot(Wn),h=Wn.dot(wc),d=a*c-o*o;if(d===0)return r.set(0,0,0),null;let u=1/d,f=(c*l-o*h)*u,p=(a*h-o*l)*u;return r.set(1-f-p,p,f)}static containsPoint(t,e,n,i){return this.getBarycoord(t,e,n,i,Xn)===null?!1:Xn.x>=0&&Xn.y>=0&&Xn.x+Xn.y<=1}static getInterpolation(t,e,n,i,r,a,o,l){return this.getBarycoord(t,e,n,i,Xn)===null?(l.x=0,l.y=0,"z"in l&&(l.z=0),"w"in l&&(l.w=0),null):(l.setScalar(0),l.addScaledVector(r,Xn.x),l.addScaledVector(a,Xn.y),l.addScaledVector(o,Xn.z),l)}static getInterpolatedAttribute(t,e,n,i,r,a){return Pc.setScalar(0),Lc.setScalar(0),Dc.setScalar(0),Pc.fromBufferAttribute(t,e),Lc.fromBufferAttribute(t,n),Dc.fromBufferAttribute(t,i),a.setScalar(0),a.addScaledVector(Pc,r.x),a.addScaledVector(Lc,r.y),a.addScaledVector(Dc,r.z),a}static isFrontFacing(t,e,n,i){return xn.subVectors(n,e),Wn.subVectors(t,e),xn.cross(Wn).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return new this.constructor().copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return xn.subVectors(this.c,this.b),Wn.subVectors(this.a,this.b),xn.cross(Wn).length()*.5}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return s.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return s.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,n,i,r){return s.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return s.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return s.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){let n=this.a,i=this.b,r=this.c,a,o;rs.subVectors(i,n),as.subVectors(r,n),Cc.subVectors(t,n);let l=rs.dot(Cc),c=as.dot(Cc);if(l<=0&&c<=0)return e.copy(n);Rc.subVectors(t,i);let h=rs.dot(Rc),d=as.dot(Rc);if(h>=0&&d<=h)return e.copy(i);let u=l*d-h*c;if(u<=0&&l>=0&&h<=0)retu