null:e.copy(n).multiplyScalar(r).add(t.start)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return void 0===t&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),t=new Lt),t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||Ie.getNormalMatrix(t),i=this.coplanarPoint(Pe).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}Ne.prototype.isPlane=!0;const Be=new Lt,ze=new Lt,Fe=new Lt,Oe=new Lt,He=new Lt,Ge=new Lt,Ue=new Lt,ke=new Lt,Ve=new Lt,We=new Lt;class je{constructor(t=new Lt,e=new Lt,n=new Lt){this.a=t,this.b=e,this.c=n}static getNormal(t,e,n,i){void 0===i&&(console.warn("THREE.Triangle: .getNormal() target is now required"),i=new Lt),i.subVectors(n,e),Be.subVectors(t,e),i.cross(Be);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){Be.subVectors(i,e),ze.subVectors(n,e),Fe.subVectors(t,e);const s=Be.dot(Be),a=Be.dot(ze),o=Be.dot(Fe),l=ze.dot(ze),c=ze.dot(Fe),h=s*l-a*a;if(void 0===r&&(console.warn("THREE.Triangle: .getBarycoord() target is now required"),r=new Lt),0===h)return r.set(-2,-1,-1);const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return this.getBarycoord(t,e,n,i,Oe),Oe.x>=0&&Oe.y>=0&&Oe.x+Oe.y<=1}static getUV(t,e,n,i,r,s,a,o){return this.getBarycoord(t,e,n,i,Oe),o.set(0,0),o.addScaledVector(r,Oe.x),o.addScaledVector(s,Oe.y),o.addScaledVector(a,Oe.z),o}static isFrontFacing(t,e,n,i){return Be.subVectors(n,e),ze.subVectors(t,e),Be.cross(ze).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}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 Be.subVectors(this.c,this.b),ze.subVectors(this.a,this.b),.5*Be.cross(ze).length()}getMidpoint(t){return void 0===t&&(console.warn("THREE.Triangle: .getMidpoint() target is now required"),t=new Lt),t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return je.getNormal(this.a,this.b,this.c,t)}getPlane(t){return void 0===t&&(console.warn("THREE.Triangle: .getPlane() target is now required"),t=new Ne),t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return je.getBarycoord(t,this.a,this.b,this.c,e)}getUV(t,e,n,i,r){return je.getUV(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return je.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return je.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){void 0===e&&(console.warn("THREE.Triangle: .closestPointToPoint() target is now required"),e=new Lt);const n=this.a,i=this.b,r=this.c;let s,a;He.subVectors(i,n),Ge.subVectors(r,n),ke.subVectors(t,n);const o=He.dot(ke),l=Ge.dot(ke);if(o<=0&&l<=0)return e.copy(n);Ve.subVectors(t,i);const c=He.dot(Ve),h=Ge.dot(Ve);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(n).addScaledVector(He,s);We.subVectors(t,r);const d=He.dot(We),p=Ge.dot(We);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(Ge,a);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return Ue.subVectors(r,i),a=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(Ue,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(He,s).addScaledVector(Ge,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}let qe=0;function Xe(){Object.defineProperty(this,"id",{value:qe++}),this.uuid=ct(),this.name="",this.type="Material",this.fog=!0,this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=n,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=tt,this.stencilZFail=tt,this.stencilZPass=tt,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaTest=0,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0}Xe.prototype=Object.assign(Object.create(rt.prototype),{constructor:Xe,isMaterial:!0,onBuild:function(){},on