0x85582125…5972sent to0x96a83b48…d253·#22,583,585·view on Etherscan
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i=[n.twin.origin],l=[n.origin],a=new Set;a.add(n.origin),a.add(n.twin.origin);let o=0;for(let r of[n,n.twin]){let c=r.twin.origin,d=r===n?i:l,u=r.origin,h=u.angleTo(c);for(;;){const n=c.hedgelist.filter((t=>(!e||t.twin.face&&t.twin.face.area>0)&&t.face&&t.face.area>0&&!a.has(t.twin.origin)&&s(c.angleTo(t.twin.origin)-h)<this.maxAngle)).sort(((e,t)=>s(c.angleTo(e.twin.origin)-h)-s(c.angleTo(t.twin.origin)-h)));if(!n.length)break;let i=n[0];o+=s(c.angleTo(i.twin.origin)-h),t.delete(i),t.delete(i.twin),u=c,c=i.twin.origin,d.push(c),a.add(c),h=u.angleTo(c)}}l.reverse();let r=l.concat(i),c=r.reduce(((e,t,n)=>0===n?0:e+t.distanceTo(r[n-1])),0);yield{vertices:r,length:c,curviness:o/r.length}}}walk(e,t,n=!0){let i=e;if(!i)return;let l=0,a=0;this.AABB.expand(i);let s=new Set;for(s.add(i),Ni.add(i);l<=t&&a++<400;){const e=i.hedgelist.filter((e=>!s.has(e.twin.origin)&&!Ni.has(e.twin.origin)));if(e.sort(((e,t)=>{let n=e.twin.origin,i=t.twin.origin,l=this.AABB.center.distanceTo(n);return this.AABB.center.distanceTo(i)-l})),0===e.length)break;let a=e[0].twin.origin;if(l+=i.distanceTo(a),n&&l>t){let e=(o=i,r=a,c=1-(l-t)/i.distanceTo(a),new zt(wt(o.x,r.x,c),wt(o.y,r.y,c)));s.add(e),this.AABB.expand(e);break}s.add(a),Ni.add(a),this.AABB.expand(a),i=a}var o,r,c;this.pathVerts.push(...Array.from(s))}}class Oi{heap;maxSize;valueFunction;epsilon=b;constructor(e,t){this.valueFunction=t,this.heap=[],this.maxSize=e}size(){return this.heap.length}push(e){this.heap.push(e),this.siftUp(this.heap.length-1),this.heap.length>this.maxSize&&this.heap.pop()}clear(){this.heap=[]}peek(){return this.heap[0]}remove(e){const t=this.heap.findIndex((t=>t===e));-1!==t&&(this.heap[t]=this.heap[this.heap.length-1],this.heap.pop(),t<this.heap.length&&this.siftDown(t))}replaceTop(e){this.heap[0]=e,this.siftDown(0)}toArray(){return[...this.heap]}siftUp(e){for(;e>0;){const t=Math.floor((e-1)/2),n=this.valueFunction(this.heap[e])-this.valueFunction(this.heap[t]);if(n<this.epsilon&&n>-this.epsilon)break;if(n<=0)break;[this.heap[e],this.heap[t]]=[this.heap[t],this.heap[e]],e=t}}siftDown(e){const t=this.heap.length;for(;;){let n=e;const i=2*e+1,l=2*e+2,a=this.valueFunction(this.heap[n]);if(i<t&&this.valueFunction(this.heap[i])-a>this.epsilon&&(n=i),l<t){const e=this.valueFunction(this.heap[n]);this.valueFunction(this.heap[l])-e>this.epsilon&&(n=l)}if(n===e)break;[this.heap[e],this.heap[n]]=[this.heap[n],this.heap[e]],e=n}}}class Bi{position;rotation;dimensions;numSides;cameraPos;fov;aspect;near;far;lights;cullBackfaces;localVertices=[];worldVertices=[];screenVertices=[];constructor(e,t,n,i,l,a=90,s=Y/P,o=.1,r=1e4,c=[],d=!1){this.position=e,this.rotation=t,this.dimensions=n,this.numSides=i,this.cameraPos=l,this.fov=a,this.aspect=s,this.near=o,this.far=r,this.lights=c,this.cullBackfaces=d,this._buildLocalGeometry()}_buildLocalGeometry(){const{width:e,height:t,depth:n}=this.dimensions,i=e/2,l=t/2,a=n/2,s=2*Math.PI/this.numSides,o=this.numSides%2==0?-Math.PI/this.numSides:-Math.PI/2;if(0===n)for(let e=0;e<this.numSides;e++){const t=o+s*e,n=Math.cos(t)*i,a=Math.sin(t)*l;this.localVertices.push({x:n,y:a,z:0})}else for(let e=0;e<this.numSides;e++){const t=o+s*e,n=Math.cos(t),r=Math.sin(t);this.localVertices.push({x:n*i,y:r*l,z:+a}),this.localVertices.push({x:n*i,y:r*l,z:-a})}}getFaces2D(){const e=function(e,t,n,i,l,a){const s=Ji(e*Math.PI/180),o=ji(t*Math.PI/180),r=Ai(n*Math.PI/180),c=Ei(i,l,a),d=_i(r,_i(o,s));return _i(c,d)}(this.rotation.x,this.rotation.y,this.rotation.z,this.position.x,this.position.y,this.position.z),t=Ei(-this.cameraPos.x,-this.cameraPos.y,-this.cameraPos.z),n=_i(function(e,t,n,i){const l=1/Math.tan(e*Math.PI/180/2),a=1/(n-i);return[[l/t,0,0,0],[0,l,0,0],[0,0,(n+i)*a,n*i*a*2],[0,0,-1,0]]}(this.fov,this.aspect,this.near,this.far),_i(t,e));this.worldVertices=[],this.screenVertices=[];for(const t of this.localVertices){const i=qi(e,[t.x,t.y,t.z,1]);this.worldVertices.push({x:i[0],y:i[1],z:i[2]});const l=qi(n,[t.x,t.y,t.z,1]);0!==l[3]&&(l[0]/=l[3],l[1]/=l[3],l[2]/=l[3]);const a=(.5*l[0]+.5)*Y,s=(1-(.5*l[1]+.5))*P;this.screenVertices.push([a,s])}const i=this._buildFaces(),l=this.cameraPos.x,a=this.cameraPos.y,s=this.cameraPos.z,o=[];for(let e of i){const t=e.indices.map((e=>this.worldVertices[e])),n=e.indices.map((e=>this.screenVertices[e])),i=$i(t),r=el(t),c=tl(i,r,this.lights);if(this.cullBackfaces){const e={x:r.x-l,y:r.y-a,z:r.z-s};i[0]*e.x+i[1]*e.y+i[2]*e.z<0&&o.push({vertices:n,normal:i,lighting:c})}else o.push({vertices:n,normal:i,lighting:c})}return o}_buildFaces(){const e=[],t=this.numSides;if(0!==this.dimensions.depth){const n=[];for(let e=0;e<t;e++)n.push(2*e);e.push({indices:n});const i=[];for(let e=t-1;e>=0;e--)i.push(2*e+1);e.push({indices:i});for(let n=0;n<t;n++){const i=(n+1)%t,l=[2*n,2*n+1,2*i+1,2*i];e.push({indices:l})}}else e.push({indices:Array.from({length:t},((e,t)=>t))});return e}}class Qi{vertices;rotation;perspective;zShift;transformOrigin;projectedVertices;vertices3D;constructor(e,t,n=800,i=-50,l={x:Y/2,y:P/2}){this.vertices=e,this.rotation=t,this.perspective=n,this.zShift=i,this.transformOrigin=l}getLineSegments(){let e=new nn;for(let t of this.vertices)e.expands(t.map((e=>new zt(...e))));const{x:t,y:n,z:i}={...e.center,z:this.zShift},{x:l,y:a,z:s}=this.rotation,o=this.perspective,r=e.center,c=this.vertices.map((e=>e.map((e=>new zt(...e).subtract(r)))));this.vertices3D=[];for(let e=0;e<c.length;e++){this.vertices3D.push([]);for(const t of c[e])this.vertices3D[e].push({x:t.x,y:t.y,z:0})}const d=function(e,t,n,i,l,a){const s=t*Math.PI/180,o=n*Math.PI/180,r=Ji(e*Math.PI/180),c=ji(s);let d=_i(Ai(o),_i(c,r));return _i(Ei(i,l,a),d)}(l,a,s,t,n,i),u=this.vertices3D.map((e=>e.map((e=>{const t=[e.x,e.y,e.z,1],n=qi(d,t);return{x:n[0],y:n[1],z:n[2]}}))));return this.projectedVertices=u.map((e=>e.map((e=>function(e,t,n={x:Y/2,y:P/2}){const{x:i,y:l,z:a}=e,s=i-n.x,o=(l-n.y)*t/(t+a);return t+a<=0?null:[s*t/(t+a)+n.x,o+n.y]}(e,o,this.transformOrigin))).filter((e=>null!==e)))).map((e=>e.filter((e=>e[0]>=-100&&e[0]<=Y+100&&e[1]>=-100&&e[1]<=P+100)))).filter((e=>e.length>0)),this.projectedVertices}}function Ji(e){const t=Math.cos(e),n=Math.sin(e);return[[1,0,0,0],[0,t,-n,0],[0,n,t,0],[0,0,0,1]]}function ji(e){const t=Math.cos(e),n=Math.sin(e);return[[t,0,n,0],[0,1,0,0],[-n,0,t,0],[0,0,0,1]]}function Ai(e){const t=Math.cos(e),n=Math.sin(e);return[[t,-n,0,0],[n,t,0,0],[0,0,1,0],[0,0,0,1]]}function Ei(e,t,n=0){return[[1,0,0,e],[0,1,0,t],[0,0,1,n],[0,0,0,1]]}function _i(e,t){const n=Array.from(Array(e.length),(()=>Array(t[0].length).fill(0)));for(let i=0;i<e.length;i++)for(let l=0;l<t[0].length;l++)for(let a=0;a<e[0].length;a++)n[i][l]+=e[i][a]*t[a][l];return n}function qi(e,t){const n=[];for(let i=0;i<e.length;i++){let l=0;for(let n=0;n<t.length;n++)l+=e[i][n]*t[n];n.push(l)}return n}function $i(e){const t=e[0],n=e[1],i=e[2],l=[n.x-t.x,n.y-t.y,n.z-t.z],a=[i.x-t.x,i.y-t.y,i.z-t.z],s=[l[1]*a[2]-l[2]*a[1],l[2]*a[0]-l[0]*a[2],l[0]*a[1]-l[1]*a[0]],o=Math.sqrt(s[0]**2+s[1]**2+s[2]**2);return s.map((e=>e/o))}function el(e){const t=e.reduce(((e,t)=>(e.x+=t.x,e.y+=t.y,e.z+=t.z,e)),{x:0,y:0,z:0}),n=e.length;return{x:t.x/n,y:t.y/n,z:t.z/n}}function tl(e,t,n){let i=0;for(const l of n){const 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rl=()=>{document.complete=!0,An(mi([...oi][0],[...oi],oi.size)),ol("Total render time",!0),function(){for(let e=0;e<Si.length;e++){const t=Si[e];t&&t.terminate()}}()};function cl(e,t,n=4){const i=t/2,l=[];for(let t=0;t<e.length-1;t++){const[n,i]=e[t],[a,s]=e[t+1],o=a-n,r=s-i,c=Math.hypot(o,r);if(0===c){l.push([0,0]);continue}const d=-r/c,u=o/c;l.push([d,u])}const a=[],s=[];for(let t=0;t<e.length;t++){const[o,r]=e[t];if(0===t){const[e,t]=l[0],n=e*i,c=t*i;a.push([o+n,r+c]),s.push([o-n,r-c])}else if(t===e.length-1){const[e,t]=l[l.length-1],n=e*i,c=t*i;a.push([o+n,r+c]),s.push([o-n,r-c])}else{const[e,c]=l[t-1],[d,u]=l[t],h=Math.sqrt((e*d+c*u+1)/2);if(0===h){const t=e*i,n=c*i;a.push([o+t,r+n]),s.push([o-t,r-n]);continue}const m=i/h;if(m>n*i){const[t,n]=[e*i,c*i],[l,h]=[d*i,u*i];a.push([o+t,r+n]),a.push([o+l,r+h]),s.push([o-t,r-n]),s.push([o-l,r-h])}else{const[t,n]=[e+d,c+u],l=Math.hypot(t,n);if(0===l){const 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