[m+0]=g.x,s[m+1]=g.y,s[m+2]=g.z}function c(){let d=new C;for(let g=0;g0.9&&A<0.1){if(g<0.2)a[d+0]+=1;if(m<0.2)a[d+2]+=1;if(x<0.2)a[d+4]+=1}}}function f(d){s.push(d.x,d.y,d.z)}function h(d,g){let m=d*3;g.x=t[m+0],g.y=t[m+1],g.z=t[m+2]}function p(){let d=new C,g=new C,m=new C,x=new C,S=new Nt,A=new Nt,T=new Nt;for(let w=0,b=0;w0)o=i-1;else{o=i;break}if(i=o,n[i]===a)return i/(s-1);let c=n[i],f=n[i+1]-c,h=(a-c)/f;return(i+h)/(s-1)}getTangent(t,e){let i=t-0.0001,s=t+0.0001;if(i<0)i=0;if(s>1)s=1;let a=this.getPoint(i),r=this.getPoint(s),o=e||(a.isVector2?new Nt:new C);return o.copy(r).sub(a).normalize(),o}getTangentAt(t,e){let n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e=!1){let n=new C,i=[],s=[],a=[],r=new C,o=new ie;for(let h=0;h<=t;h++){let p=h/t;i[h]=this.getTangentAt(p,new C)}s[0]=new C,a[0]=new C;let l=Number.MAX_VALUE,c=Math.abs(i[0].x),u=Math.abs(i[0].y),f=Math.abs(i[0].z);if(c<=l)l=c,n.set(1,0,0);if(u<=l)l=u,n.set(0,1,0);if(f<=l)n.set(0,0,1);r.crossVectors(i[0],n).normalize(),s[0].crossVectors(i[0],r),a[0].crossVectors(i[0],s[0]);for(let h=1;h<=t;h++){if(s[h]=s[h-1].clone(),a[h]=a[h-1].clone(),r.crossVectors(i[h-1],i[h]),r.length()>Number.EPSILON){r.normalize();let p=Math.acos(ne(i[h-1].dot(i[h]),-1,1));s[h].applyMatrix4(o.makeRotationAxis(r,p))}a[h].crossVectors(i[h],s[h])}if(e===!0){let h=Math.acos(ne(s[0].dot(s[t]),-1,1));if(h/=t,i[0].dot(r.crossVectors(s[0],s[t]))>0)h=-h;for(let p=1;p<=t;p++)s[p].applyMatrix4(o.makeRotationAxis(i[p],h*p)),a[p].crossVectors(i[p],s[p])}return{tangents:i,normals:s,binormals:a}}clone(){return new this.constructor().copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){let t={metadata:{version:4.7,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class zf extends SU{constructor(t=0,e=0,n=1,i=1,s=0,a=Math.PI*2,r=!1,o=0){super();this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=s,this.aEndAngle=a,this.aClockwise=r,this.aRotation=o}getPoint(t,e=new Nt){let n=e,i=Math.PI*2,s=this.aEndAngle-this.aStartAngle,a=Math.abs(s)i)s-=i;if(s