<!-- SAGA · part 98 -->
n.boundingSphere&&n.computeBoundingSphere(),Rn.copy(n.boundingSphere),Rn.applyMatrix4(r),!1===t.ray.intersectsSphere(Rn))return;if(An.copy(r).invert(),Ln.copy(t.ray).applyMatrix4(An),null!==n.boundingBox&&!1===Ln.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=jn(this,m,t,Ln,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=jn(this,i,t,Ln,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=jn(this,p,t,Ln,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=jn(this,i,t,Ln,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.")}}function jn(t,e,n,i,r,s,a,o,l,c,h,u){Cn.fromBufferAttribute(r,c),Pn.fromBufferAttribute(r,h),Dn.fromBufferAttribute(r,u);const d=t.morphTargetInfluences;if(e.morphTargets&&s&&d){zn.set(0,0,0),Fn.set(0,0,0),On.set(0,0,0);for(let t=0,e=s.length;t<e;t++){const e=d[t],n=s[t];0!==e&&(In.fromBufferAttribute(n,c),Nn.fromBufferAttribute(n,h),Bn.fromBufferAttribute(n,u),a?(zn.addScaledVector(In,e),Fn.addScaledVector(Nn,e),On.addScaledVector(Bn,e)):(zn.addScaledVector(In.sub(Cn),e),Fn.addScaledVector(Nn.sub(Pn),e),On.addScaledVector(Bn.sub(Dn),e)))}Cn.add(zn),Pn.add(Fn),Dn.add(On)}t.isSkinnedMesh&&e.skinning&&(t.boneTransform(c,Cn),t.boneTransform(h,Pn),t.boneTransform(u,Dn));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;Vn.copy(o),Vn.applyMatrix4(t.matrixWorld);const c=n.ray.origin.distanceTo(Vn);return c<n.near||c>n.far?null:{distance:c,point:Vn.clone(),object:t}}(t,e,n,i,Cn,Pn,Dn,kn);if(p){o&&(Hn.fromBufferAttribute(o,c),Gn.fromBufferAttribute(o,h),Un.fromBufferAttribute(o,u),p.uv=je.getUV(kn,Cn,Pn,Dn,Hn,Gn,Un,new vt)),l&&(Hn.fromBufferAttribute(l,c),Gn.fromBufferAttribute(l,h),Un.fromBufferAttribute(l,u),p.uv2=je.getUV(kn,Cn,Pn,Dn,Hn,Gn,Un,new vt));const t={a:c,b:h,c:u,normal:new Lt,materialIndex:0};je.getNormal(Cn,Pn,Dn,t.normal),p.face=t}return p}Wn.prototype.isMesh=!0;class qn extends En{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,w=p/2,b=m/2,M=f+1,S=g+1;let T=0,E=0;const A=new Lt;for(let s=0;s<S;s++){const a=s*x-w;for(let o=0;o<M;o++){const u=o*y-_;A[t]=u*i,A[e]=a*r,A[n]=b,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),T+=1}}for(let t=0;t<g;t++)for(let e=0;e<f;e++){const n=u+e+M*t,i=u+e+M*(t+1),r=u+(e+1)+M*(t+1),s=u+(e+1)+M*t;o.push(n,i,s),o.push(i,r,s),E+=6}a.addGroup(d,E,v),d+=E,u+=T}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 mn(l,3)),this.setAttribute("normal",new mn(c,3)),this.setAttribute("uv",new mn(h,2))}}function Xn(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 Yn(t){const e={};for(let n=0;n<t.length;n++){const i=Xn(t[n]);for(const t in i)e[t]=i[t]}return e}const Zn={clone:Xn,merge:Yn};class Jn extends Xe{constructor(t){super(),this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\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,fragDe