se()}},mu=class extends Un{constructor(t,e=1,n=16776960){let i=n,r=[1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],a=new Yt;a.setAttribute("position",new Tt(r,3)),a.computeBoundingSphere(),super(a,new Oe({color:i,toneMapped:!1})),this.type="PlaneHelper",this.plane=t,this.size=e;let o=[1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],l=new Yt;l.setAttribute("position",new Tt(o,3)),l.computeBoundingSphere(),this.add(new Me(l,new Nn({color:i,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(t){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(t)}dispose(){super.dispose(),this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}},If=new C,to,nh,gu=class extends re{constructor(t=new C(0,0,1),e=new C(0,0,0),n=1,i=16776960,r=n*.2,a=r*.2){super(),this.type="ArrowHelper",to===void 0&&(to=new Yt,to.setAttribute("position",new Tt([0,0,0,0,1,0],3)),nh=new wr(.5,1,5,1),nh.translate(0,-.5,0)),this.position.copy(e),this.line=new Un(to,new Oe({color:i,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Me(nh,new Nn({color:i,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(t),this.setLength(n,r,a)}setDirection(t){if(t.y>.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{If.set(t.z,0,-t.x).normalize();let e=Math.acos(t.y);this.quaternion.setFromAxisAngle(If,e)}}setLength(t,e=t*.2,n=e*.2){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){super.dispose(),this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}},_u=class extends pn{constructor(t=1){let e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],n=[1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],i=new Yt;i.setAttribute("position",new Tt(e,3)),i.setAttribute("color",new Tt(n,3));let r=new Oe({vertexColors:!0,toneMapped:!1});super(i,r),this.type="AxesHelper"}setColors(t,e,n){let i=new Mt,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(n),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){super.dispose(),this.geometry.dispose(),this.material.dispose()}},xu=class{constructor(){this.type="ShapePath",this.color=new Mt,this.subPaths=[],this.currentPath=null,this.userData={}}moveTo(t,e){return this.currentPath=new Wi,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,n,i){return this.currentPath.quadraticCurveTo(t,e,n,i),this}bezierCurveTo(t,e,n,i,r,a){return this.currentPath.bezierCurveTo(t,e,n,i,r,a),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(){function t(l,c){let h=!1,d=c.length;for(let u=0,f=d-1;ul.y!=_.y>l.y&&l.x<(_.x-p.x)*(l.y-p.y)/(_.y-p.y)+p.x&&(h=!h)}return h}function e(l,c){let h=c.getCenter(new nt);if(t(h,l))return h;let d=h.y,u=[],f=l.length;for(let p=0;pd!=g.y>d){let m=_.x+(d-_.y)*(g.x-_.x)/(g.y-_.y);u.push(m)}}return u.length>1&&(u.sort((p,_)=>p-_),h.x=(u[0]+u[1])/2),h}let n=this.userData.style&&this.userData.style.fillRule||"nonzero";n!=="nonzero"&&n!=="evenodd"&&(ut('Fill-rule "'+n+'" is not supported, falling back to "nonzero".'),n="nonzero");let i=n==="nonzero"?l=>l!==0:l=>(l&1)!==0,r=[];for(let l of this.subPaths){let c=l.getPoints();if(c.length<3)continue;let h=bn.area(c);if(h===0)continue;let d=new bl;for(let u=0;uc.absArea-l.absArea);for(let l=0;l=0;d--){let u=r[d];if(u.boundingBox.containsBox(c.boundingBox)&&t(c.interiorPoint,u.points)){c.container=u.exclude?u.container:u,h=u.winding,c.winding+=h;break}}i(c.winding)===i(h)&&(c.exclude=!0)}for(let l of r)l.exclude||(l.role=l.container===null||l.container.role==="hole"?"outer":"hole");let a=[],o=new Map;for(let l of r){if(l.exclude||l.role!=="outer")continue;let c=new Xi;c.curves=l.subPath.curves,a.push(c),o.set(l,c)}for(let l of r){if(l.exclude||l.role!=="hole")continue;let c=o.get(l.container);if(!c)continue;let h=new Wi;h.curves=l.subPath.curves,c.holes.push(h)}return a}},vu=class extends hn{constructor(t,e=null){super(),this.object=t,this.domElement=e,this.enabled=!0,this.state=-1,this.keys={},this.mouseButtons={LEFT:null,MIDDLE:null,RI