egments,e.openEnded,e.thetaStart,e.thetaLength)}},Kr=class i extends ft{constructor(e=[],t=[],n=1,s=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:e,indices:t,radius:n,detail:s};let r=[],a=[];o(s),c(n),h(),this.setAttribute("position",new Qe(r,3)),this.setAttribute("normal",new Qe(r.slice(),3)),this.setAttribute("uv",new Qe(a,2)),s===0?this.computeVertexNormals():this.normalizeNormals();function o(b){let A=new P,v=new P,T=new P;for(let E=0;E.9&&C<.1&&(A<.2&&(a[b+0]+=1),v<.2&&(a[b+2]+=1),T<.2&&(a[b+4]+=1))}}function u(b){r.push(b.x,b.y,b.z)}function d(b,A){let v=b*3;A.x=e[v+0],A.y=e[v+1],A.z=e[v+2]}function g(){let b=new P,A=new P,v=new P,T=new P,E=new le,C=new le,x=new le;for(let w=0,I=0;w0)l=s-1;else{l=s;break}if(s=l,n[s]===a)return s/(r-1);let h=n[s],u=n[s+1]-h,d=(a-h)/u;return(s+d)/(r-1)}getTangent(e,t){let s=e-1e-4,r=e+1e-4;s<0&&(s=0),r>1&&(r=1);let a=this.getPoint(s),o=this.getPoint(r),l=t||(a.isVector2?new le:new P);return l.copy(o).sub(a).normalize(),l}getTangentAt(e,t){let n=this.getUtoTmapping(e);return this.getTangent(n,t)}computeFrenetFrames(e,t=!1){let n=new P,s=[],r=[],a=[],o=new P,l=new at;for(let d=0;d<=e;d++){let g=d/e;s[d]=this.getTangentAt(g,new P)}r[0]=new P,a[0]=new P;let c=Number.MAX_VALUE,h=Math.abs(s[0].x),f=Math.abs(s[0].y),u=Math.abs(s[0].z);h<=c&&(c=h,n.set(1,0,0)),f<=c&&(c=f,n.set(0,1,0)),u<=c&&n.set(0,0,1),o.crossVectors(s[0],n).normalize(),r[0].crossVectors(s[0],o),a[0].crossVectors(s[0],r[0]);for(let d=1;d<=e;d++){if(r[d]=r[d-1].clone(),a[d]=a[d-1].clone(),o.crossVectors(s[d-1],s[d]),o.length()>Number.EPSILON){o.normalize();let g=Math.acos(st(s[d-1].dot(s[d]),-1,1));r[d].applyMatrix4(l.makeRotationAxis(o,g))}a[d].crossVectors(s[d],r[d])}if(t===!0){let d=Math.acos(st(r[0].dot(r[e]),-1,1));d/=e,s[0].dot(o.crossVectors(r[0],r[e]))>0&&(d=-d);for(let g=1;g<=e;g++)r[g].applyMatrix4(l.makeRotationAxis(s[g],d*g)),a[g].crossVectors(s[g],r[g])}return{tangents:s,normals:r,binormals:a}}clone(){return new this.constructor().copy(this)}copy(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}toJSON(){let e={metadata:{version:4.7,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}fromJSON(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}},Ks=class extends En{constructor(e=0,t=0,n=1,s=1,r=0,a=Math.PI*2,o=!1,l=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=n,this.yRadius=s,this.aStartAngle=r,this.aEndAngle=a,this.aC