shBasicMaterial",this.color=new Mt(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.envMapRotation=new Tn,this.combine=$r,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,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.envMapRotation.copy(t.envMapRotation),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.fog=t.fog,this}},Ud=new Wt,Ai=new pi,Ea=new Ie,Fd=new C,Aa=new C,wa=new C,Ca=new C,Vc=new C,Ra=new C,Od=new C,Ia=new C,Me=class extends re{constructor(t=new Yt,e=new Nn){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.count=1,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),t.morphTargetInfluences!==void 0&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),t.morphTargetDictionary!==void 0&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}updateMorphTargets(){let e=this.geometry.morphAttributes,n=Object.keys(e);if(n.length>0){let i=e[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let r=0,a=i.length;r(t.far-t.near)**2))&&(Ud.copy(r).invert(),Ai.copy(t.ray).applyMatrix4(Ud),!(n.boundingBox!==null&&Ai.intersectsBox(n.boundingBox)===!1)&&this._computeIntersections(t,e,Ai)))}_computeIntersections(t,e,n){let i,r=this.geometry,a=this.material,o=r.index,l=r.attributes.position,c=r.attributes.uv,h=r.attributes.uv1,d=r.attributes.normal,u=r.groups,f=r.drawRange;if(o!==null)if(Array.isArray(a))for(let p=0,_=u.length;p<_;p++){let g=u[p],m=a[g.materialIndex],S=Math.max(g.start,f.start),b=Math.min(o.count,Math.min(g.start+g.count,f.start+f.count));for(let x=S,E=b;xe.far?null:{distance:c,point:Ia.clone(),object:s}}function Pa(s,t,e,n,i,r,a,o,l,c){s.getVertexPosition(o,Aa),s.getVertexPosition(l,wa),s.getVertexPosition(c,Ca);let h=Hg(s,t,e,n,Aa,wa,Ca,Od);if(h){let d=new C;Pn.getBarycoord(Od,Aa,wa,Ca,d),i&&(h.uv=Pn.getInterpolatedAttribute(i,o,l,c,d,new nt)),r&&(h.uv1=Pn.getInterpolatedAttribute(r,o,l,c,d,new nt)),a&&(h.normal=Pn.getInterpolatedAttribute(a,o,l,c,d,new C),h.normal.dot(n.direction)>0&&h.normal.multiplyScalar(-1));let u={a:o,b:l,c,normal:new C,materialIndex:0};Pn.getNormal(Aa,wa,Ca,u.norm