rn a=l/(l-h),e.copy(n).addScaledVector(rs,a);Ic.subVectors(t,r);let f=rs.dot(Ic),p=as.dot(Ic);if(p>=0&&f<=p)return e.copy(r);let _=f*c-l*p;if(_<=0&&c>=0&&p<=0)return o=c/(c-p),e.copy(n).addScaledVector(as,o);let g=h*p-f*d;if(g<=0&&d-h>=0&&f-p>=0)return Pd.subVectors(r,i),o=(d-h)/(d-h+(f-p)),e.copy(i).addScaledVector(Pd,o);let m=1/(g+_+u);return a=_*m,o=u*m,e.copy(n).addScaledVector(rs,a).addScaledVector(as,o)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}},Ue=class{constructor(t=new C(1/0,1/0,1/0),e=new C(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;e=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y&&t.z>=this.min.z&&t.z<=this.max.z}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y&&t.max.z>=this.min.z&&t.min.z<=this.max.z}intersectsSphere(t){return this.clampPoint(t.center,vn),vn.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Js),ga.subVectors(this.max,Js),os.subVectors(t.a,Js),ls.subVectors(t.b,Js),cs.subVectors(t.c,Js),li.subVectors(ls,os),ci.subVectors(cs,ls),Ti.subVectors(os,cs);let e=[0,-li.z,li.y,0,-ci.z,ci.y,0,-Ti.z,Ti.y,li.z,0,-li.x,ci.z,0,-ci.x,Ti.z,0,-Ti.x,-li.y,li.x,0,-ci.y,ci.x,0,-Ti.y,Ti.x,0];return!Nc(e,os,ls,cs,ga)||(e=[1,0,0,0,1,0,0,0,1],!Nc(e,os,ls,cs,ga))?!1:(_a.crossVectors(li,ci),e=[_a.x,_a.y,_a.z],Nc(e,os,ls,cs,ga))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,vn).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=this.getSize(vn).length()*.5),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()?this:(qn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),qn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),qn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),qn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),qn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),qn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),qn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),qn[7].set(this.max.x,this.max.y,this.max.z).applyM