https://calcwithdec.dev/posts/you-draw-inflation/vega.min.js

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$=vF(4,wF,4,EF,kF);x=M*c,h=mF*M,d=h-(h-M),p=M-d,h=mF*c,g=h-(h-c),m=c-g,b=p*m-(x-d*g-p*g-d*m),w=D*l,h=mF*D,d=h-(h-D),p=D-d,h=mF*l,g=h-(h-l),m=l-g,k=p*m-(w-d*g-p*g-d*m),y=b-k,f=b-y,EF[0]=b-(y+f)+(f-k),v=x+y,f=v-x,_=x-(v-f)+(y-f),y=_-w,f=_-y,EF[1]=_-(y+f)+(f-w),A=v+y,f=A-v,EF[2]=v-(A-f)+(y-f),EF[3]=A;const T=vF($,kF,4,EF,AF);x=s*c,h=mF*s,d=h-(h-s),p=s-d,h=mF*c,g=h-(h-c),m=c-g,b=p*m-(x-d*g-p*g-d*m),w=u*l,h=mF*u,d=h-(h-u),p=u-d,h=mF*l,g=h-(h-l),m=l-g,k=p*m-(w-d*g-p*g-d*m),y=b-k,f=b-y,EF[0]=b-(y+f)+(f-k),v=x+y,f=v-x,_=x-(v-f)+(y-f),y=_-w,f=_-y,EF[1]=_-(y+f)+(f-w),A=v+y,f=A-v,EF[2]=v-(A-f)+(y-f),EF[3]=A;const B=vF(T,AF,4,EF,MF);return MF[B-1]}(t,e,n,r,i,o,l)}const CF=Math.pow(2,-52),FF=new Uint32Array(512);class SF{static from(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:OF,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:RF;const r=t.length,i=new Float64Array(2*r);for(let o=0;o<r;o++){const r=t[o];i[2*o]=e(r),i[2*o+1]=n(r)}return new SF(i)}constructor(t){const e=t.length>>1;if(e>0&&"number"!=typeof t[0])throw new Error("Expected coords to contain numbers.");this.coords=t;const n=Math.max(2*e-5,0);this._triangles=new Uint32Array(3*n),this._halfedges=new Int32Array(3*n),this._hashSize=Math.ceil(Math.sqrt(e)),this._hullPrev=new Uint32Array(e),this._hullNext=new Uint32Array(e),this._hullTri=new Uint32Array(e),this._hullHash=new Int32Array(this._hashSize).fill(-1),this._ids=new Uint32Array(e),this._dists=new Float64Array(e),this.update()}update(){const{coords:t,_hullPrev:e,_hullNext:n,_hullTri:r,_hullHash:i}=this,o=t.length>>1;let a=1/0,s=1/0,u=-1/0,l=-1/0;for(let e=0;e<o;e++){const n=t[2*e],r=t[2*e+1];n<a&&(a=n),r<s&&(s=r),n>u&&(u=n),r>l&&(l=r),this._ids[e]=e}const c=(a+u)/2,f=(s+l)/2;let h,d,p,g=1/0;for(let e=0;e<o;e++){const n=$F(c,f,t[2*e],t[2*e+1]);n<g&&(h=e,g=n)}const m=t[2*h],y=t[2*h+1];g=1/0;for(let e=0;e<o;e++){if(e===h)continue;const n=$F(m,y,t[2*e],t[2*e+1]);n<g&&n>0&&(d=e,g=n)}let v=t[2*d],_=t[2*d+1],x=1/0;for(let e=0;e<o;e++){if(e===h||e===d)continue;const n=BF(m,y,v,_,t[2*e],t[2*e+1]);n<x&&(p=e,x=n)}let b=t[2*p],w=t[2*p+1];if(x===1/0){for(let e=0;e<o;e++)this._dists[e]=t[2*e]-t[0]||t[2*e+1]-t[1];zF(this._ids,this._dists,0,o-1);const e=new Uint32Array(o);let n=0;for(let t=0,r=-1/0;t<o;t++){const i=this._ids[t];this._dists[i]>r&&(e[n++]=i,r=this._dists[i])}return this.hull=e.subarray(0,n),this.triangles=new Uint32Array(0),void(this.halfedges=new Uint32Array(0))}if(DF(m,y,v,_,b,w)<0){const t=d,e=v,n=_;d=p,v=b,_=w,p=t,b=e,w=n}const k=function(t,e,n,r,i,o){const a=n-t,s=r-e,u=i-t,l=o-e,c=a*a+s*s,f=u*u+l*l,h=.5/(a*l-s*u),d=t+(l*c-s*f)*h,p=e+(a*f-u*c)*h;return{x:d,y:p}}(m,y,v,_,b,w);this._cx=k.x,this._cy=k.y;for(let e=0;e<o;e++)this._dists[e]=$F(t[2*e],t[2*e+1],k.x,k.y);zF(this._ids,this._dists,0,o-1),this._hullStart=h;let A=3;n[h]=e[p]=d,n[d]=e[h]=p,n[p]=e[d]=h,r[h]=0,r[d]=1,r[p]=2,i.fill(-1),i[this._hashKey(m,y)]=h,i[this._hashKey(v,_)]=d,i[this._hashKey(b,w)]=p,this.trianglesLen=0,this._addTriangle(h,d,p,-1,-1,-1);for(let o,a,s=0;s<this._ids.length;s++){const u=this._ids[s],l=t[2*u],c=t[2*u+1];if(s>0&&Math.abs(l-o)<=CF&&Math.abs(c-a)<=CF)continue;if(o=l,a=c,u===h||u===d||u===p)continue;let f=0;for(let t=0,e=this._hashKey(l,c);t<this._hashSize&&(f=i[(e+t)%this._hashSize],-1===f||f===n[f]);t++);f=e[f];let g,m=f;for(;g=n[m],DF(l,c,t[2*m],t[2*m+1],t[2*g],t[2*g+1])>=0;)if(m=g,m===f){m=-1;break}if(-1===m)continue;let y=this._addTriangle(m,u,n[m],-1,-1,r[m]);r[u]=this._legalize(y+2),r[m]=y,A++;let v=n[m];for(;g=n[v],DF(l,c,t[2*v],t[2*v+1],t[2*g],t[2*g+1])<0;)y=this._addTriangle(v,u,g,r[u],-1,r[v]),r[u]=this._legalize(y+2),n[v]=v,A--,v=g;if(m===f)for(;g=e[m],DF(l,c,t[2*g],t[2*g+1],t[2*m],t[2*m+1])<0;)y=this._addTriangle(g,u,m,-1,r[m],r[g]),this._legalize(y+2),r[g]=y,n[m]=m,A--,m=g;this._hullStart=e[u]=m,n[m]=e[v]=u,n[u]=v,i[this._hashKey(l,c)]=u,i[this._hashKey(t[2*m],t[2*m+1])]=m}this.hull=new Uint32Array(A);for(let t=0,e=this._hullStart;t<A;t++)this.hull[t]=e,e=n[e];this.triangles=this._triangles.subarray(0,this.trianglesLen),this.halfedges=this._halfedges.subarray(0,this.trianglesLen)}_hashKey(t,e){return Math.floor(function(t,e){const n=t/(Math.abs(t)+Math.abs(e));return(e>0?3-n:1+n)/4}(t-this._cx,e-this._cy)*this._hashSize)%this._hashSize}_legalize(t){const{_triangles:e,_halfedges:n,coords:r}=this;let i=0,o=0;for(;;){const a=n[t],s=t-t%3;if(o=s+(t+2)%3,-1===a){if(0===i)break;t=FF[--i];continue}const u=a-a%3,l=s+(t+1)%3,c=u+(a+2)%3,f=e[o],h=e[t],d=e[l],p=e[c];if(TF(r[2*f],r[2*f+1],r[2*h],r[2*h+1],r[2*d],r[2*d+1],r[2*p],r[2*p+1])){e[t]=p,e[a]=f;const r=n[c];if(-1===r){let e=this._hullStart;do{if(this._hullTri[e]===c){this._hullTri[e]=t;break}e=this._hullPrev[e]}while(e!==this._hullStart)}this._link(t,r),this._link(a,n[o]),this._link(o,c);const s=u+(a+1)%3;i<FF.length&&(FF[i++]=s)}else{if(0===i)break;t=FF[--i]}}return o}_link(t,e){this._halfedges[t]=e,-1!==e&&(this._halfedges[e]=t)}_addTriangle(t,e,n,r,i,o){const a=this.trianglesLen;return this._triangles[a]=t,this._triangles[a+1]=e,this._triangles[a+2]=n,this._link(a,r),this._link(a+1,i),this._link(a+2,o),this.trianglesLen+=3,a}}function $F(t,e,n,r){const i=t-n,o=e-r;return i*i+o*o}function TF(t,e,n,r,i,o,a,s){const u=t-a,l=e-s,c=n-a,f=r-s,h=i-a,d=o-s,p=c*c+f*f,g=h*h+d*d;return u*(f*g-p*d)-l*(c*g-p*h)+(u*u+l*l)*(c*d-f*h)<0}function BF(t,e,n,r,i,o){const a=n-t,s=r-e,u=i-t,l=o-e,c=a*a+s*s,f=u*u+l*l,h=.5/(a*l-s*u),d=(l*c-s*f)*h,p=(a*f-u*c)*h;return d*d+p*p}function zF(t,e,n,r){if(r-n<=20)for(let i=n+1;i<=r;i++){const r=t[i],o=e[r];let a=i-1;for(;a>=n&&e[t[a]]>o;)t[a+1]=t[a--];t[a+1]=r}else{let i=n+1,o=r;NF(t,n+r>>1,i),e[t[n]]>e[t[r]]&&NF(t,n,r),e[t[i]]>e[t[r]]&&NF(t,i,r),e[t[n]]>e[t[i]]&&NF(t,n,i);const a=t[i],s=e[a];for(;;){do{i++}while(e[t[i]]<s);do{o--}while(e[t[o]]>s);if(o<i)break;NF(t,i,o)}t[n+1]=t[o],t[o]=a,r-i+1>=o-n?(zF(t,e,i,r),zF(t,e,n,o-1)):(zF(t,e,n,o-1),zF(t,e,i,r))}}function NF(t,e,n){const r=t[e];t[e]=t[n],t[n]=r}function OF(t){return t[0]}function RF(t){return t[1]}const UF=1e-6;class LF{constructor(){this._x0=this._y0=this._x1=this._y1=null,this._=""}moveTo(t,e){this._+=`M${this._x0=this._x1=+t},${this._y0=this._y1=+e}`}closePath(){null!==this._x1&&(this._x1=this._x0,this._y1=this._y0,this._+="Z")}lineTo(t,e){this._+=`L${this._x1=+t},${this._y1=+e}`}arc(t,e,n){const r=(t=+t)+(n=+n),i=e=+e;if(n<0)throw new Error("negative radius");null===this._x1?this._+=`M${r},${i}`:(Math.abs(this._x1-r)>UF||Math.abs(this._y1-i)>UF)&&(this._+="L"+r+","+i),n&&(this._+=`A${n},${n}

1n=0,r=s.length,i=this._edgecode(s[r-2],s[r-1]);n<r;n+=2)e=i,i=this._edgecode(s[n],s[n+1]),e&&i&&(n=this._edge(t,e,i,s,n),r=s.length);else this.contains(t,(this.xmin+this.xmax)/2,(this.ymin+this.ymax)/2)&&(s=[this.xmin,this.ymin,this.xmax,this.ymin,this.xmax,this.ymax,this.xmin,this.ymax]);return s}_edge(t,e,n,r,i){for(;e!==n;){let n,o;switch(e){case 5:e=4;continue;case 4:e=6,n=this.xmax,o=this.ymin;break;case 6:e=2;continue;case 2:e=10,n=this.xmax,o=this.ymax;break;case 10:e=8;continue;case 8:e=9,n=this.xmin,o=this.ymax;break;case 9:e=1;continue;case 1:e=5,n=this.xmin,o=this.ymin}r[i]===n&&r[i+1]===o||!this.contains(t,n,o)||(r.splice(i,0,n,o),i+=2)}return i}_project(t,e,n,r){let i,o,a,s=1/0;if(r<0){if(e<=this.ymin)return null;(i=(this.ymin-e)/r)<s&&(a=this.ymin,o=t+(s=i)*n)}else if(r>0){if(e>=this.ymax)return null;(i=(this.ymax-e)/r)<s&&(a=this.ymax,o=t+(s=i)*n)}if(n>0){if(t>=this.xmax)return null;(i=(this.xmax-t)/n)<s&&(o=this.xmax,a=e+(s=i)*r)}else if(n<0){if(t<=this.xmin)return null;(i=(this.xmin-t)/n)<s&&(o=this.xmin,a=e+(s=i)*r)}return[o,a]}_edgecode(t,e){return(t===this.xmin?1:t===this.xmax?2:0)|(e===this.ymin?4:e===this.ymax?8:0)}_regioncode(t,e){return(t<this.xmin?1:t>this.xmax?2:0)|(e<this.ymin?4:e>this.ymax?8:0)}_simplify(t){if(t&&t.length>4){for(let e=0;e<t.length;e+=2){const n=(e+2)%t.length,r=(e+4)%t.length;(t[e]===t[n]&&t[n]===t[r]||t[e+1]===t[n+1]&&t[n+1]===t[r+1])&&(t.splice(n,2),e-=2)}t.length||(t=null)}return t}};const jF=2*Math.PI,IF=Math.pow;function WF(t){return t[0]}function HF(t){return t[1]}function YF(t,e,n){return[t+Math.sin(t+e)*n,e+Math.cos(t-e)*n]}class GF{static from(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:WF,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:HF,r=arguments.length>3?arguments[3]:void 0;return new GF("length"in t?function(t,e,n,r){const i=t.length,o=new Float64Array(2*i);for(let a=0;a<i;++a){const i=t[a];o[2*a]=e.call(r,i,a,t),o[2*a+1]=n.call(r,i,a,t)}return o}(t,e,n,r):Float64Array.from(function*(t,e,n,r){let i=0;for(const o of t)yield e.call(r,o,i,t),yield n.call(r,o,i,t),++i}(t,e,n,r)))}constructor(t){this._delaunator=new SF(t),this.inedges=new Int32Array(t.length/2),this._hullIndex=new Int32Array(t.length/2),this.points=this._delaunator.coords,this._init()}update(){return this._delaunator.update(),this._init(),this}_init(){const t=this._delaunator,e=this.points;if(t.hull&&t.hull.length>2&&function(t){const{triangles:e,coords:n}=t;for(let t=0;t<e.length;t+=3){const r=2*e[t],i=2*e[t+1],o=2*e[t+2];if((n[o]-n[r])*(n[i+1]-n[r+1])-(n[i]-n[r])*(n[o+1]-n[r+1])>1e-10)return!1}return!0}(t)){this.collinear=Int32Array.from({length:e.length/2},((t,e)=>e)).sort(((t,n)=>e[2*t]-e[2*n]||e[2*t+1]-e[2*n+1]));const t=this.collinear[0],n=this.collinear[this.collinear.length-1],r=[e[2*t],e[2*t+1],e[2*n],e[2*n+1]],i=1e-8*Math.hypot(r[3]-r[1],r[2]-r[0]);for(let t=0,n=e.length/2;t<n;++t){const n=YF(e[2*t],e[2*t+1],i);e[2*t]=n[0],e[2*t+1]=n[1]}this._delaunator=new SF(e)}else delete this.collinear;const n=this.halfedges=this._delaunator.halfedges,r=this.hull=this._delaunator.hull,i=this.triangles=this._delaunator.triangles,o=this.inedges.fill(-1),a=this._hullIndex.fill(-1);for(let t=0,e=n.length;t<e;++t){const e=i[t%3==2?t-2:t+1];-1!==n[t]&&-1!==o[e]||(o[e]=t)}for(let t=0,e=r.length;t<e;++t)a[r[t]]=t;r.length<=2&&r.length>0&&(this.triangles=new Int32Array(3).fill(-1),this.halfedges=new Int32Array(3).fill(-1),this.triangles[0]=r[0],o[r[0]]=1,2===r.length&&(o[r[1]]=0,this.triangles[1]=r[1],this.triangles[2]=r[1]))}voronoi(t){return new PF(this,t)}*neighbors(t){const{inedges:e,hull:n,_hullIndex:r,halfedges:i,triangles:o,collinear:a}=this;if(a){const e=a.indexOf(t);return e>0&&(yield a[e-1]),void(e<a.length-1&&(yield a[e+1]))}const s=e[t];if(-1===s)return;let u=s,l=-1;do{if(yield l=o[u],u=u%3==2?u-2:u+1,o[u]!==t)return;if(u=i[u],-1===u){const e=n[(r[t]+1)%n.length];return void(e!==l&&(yield e))}}while(u!==s)}find(t,e){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;if((t=+t)!=t||(e=+e)!=e)return-1;const r=n;let i;for(;(i=this._step(n,t,e))>=0&&i!==n&&i!==r;)n=i;return i}_step(t,e,n){const{inedges:r,hull:i,_hullIndex:o,halfedges:a,triangles:s,points:u}=this;if(-1===r[t]||!u.length)return(t+1)%(u.length>>1);let l=t,c=IF(e-u[2*t],2)+IF(n-u[2*t+1],2);const f=r[t];let h=f;do{let r=s[h];const f=IF(e-u[2*r],2)+IF(n-u[2*r+1],2);if(f<c&&(c=f,l=r),h=h%3==2?h-2:h+1,s[h]!==t)break;if(h=a[h],-1===h){if(h=i[(o[t]+1)%i.length],h!==r&&IF(e-u[2*h],2)+IF(n-u[2*h+1],2)<c)return h;break}}while(h!==f);return l}render(t){const e=null==t?t=new LF:void 0,{points:n,halfedges:r,triangles:i}=this;for(let e=0,o=r.length;e<o;++e){const o=r[e];if(o<e)continue;const a=2*i[e],s=2*i[o];t.moveTo(n[a],n[a+1]),t.lineTo(n[s],n[s+1])}return this.renderHull(t),e&&e.value()}renderPoints(t,e){void 0!==e||t&&"function"==typeof t.moveTo||(e=t,t=null),e=null==e?2:+e;const n=null==t?t=new LF:void 0,{points:r}=this;for(let n=0,i=r.length;n<i;n+=2){const i=r[n],o=r[n+1];t.moveTo(i+e,o),t.arc(i,o,e,0,jF)}return n&&n.value()}renderHull(t){const e=null==t?t=new LF:void 0,{hull:n,points:r}=this,i=2*n[0],o=n.length;t.moveTo(r[i],r[i+1]);for(let e=1;e<o;++e){const i=2*n[e];t.lineTo(r[i],r[i+1])}return t.closePath(),e&&e.value()}hullPolygon(){const t=new qF;return this.renderHull(t),t.value()}renderTriangle(t,e){const n=null==e?e=new LF:void 0,{points:r,triangles:i}=this,o=2*i[t*=3],a=2*i[t+1],s=2*i[t+2];return e.moveTo(r[o],r[o+1]),e.lineTo(r[a],r[a+1]),e.lineTo(r[s],r[s+1]),e.closePath(),n&&n.value()}*trianglePolygons(){const{triangles:t}=this;for(let e=0,n=t.length/3;e<n;++e)yield this.trianglePolygon(e)}trianglePolygon(t){const e=new qF;return this.renderTriangle(t,e),e.value()}}function VF(t){Ja.call(this,null,t)}VF.Definition={type:"Voronoi",metadata:{modifies:!0},params:[{name:"x",type:"field",required:!0},{name:"y",type:"field",required:!0},{name:"size",type:"number",array:!0,length:2},{name:"extent",type:"array",array:!0,length:2,default:[[-1e5,-1e5],[1e5,1e5]],content:{type:"number",array:!0,length:2}},{name:"as",type:"string",default:"path"}]};const XF=[-1e5,-1e5,1e5,1e5];function JF(t){const e=t[0][0],n=t[0][1];let r=t.length-1;for(;t[r][0]===e&&t[r][1]===n;--r);return"M"+t.slice(0,r+1).join("L")+"Z"}dt(VF,Ja,{transform(t,e){const n=t.as||"path",r=e.source;if(!r||!r.length)return e;let i=t.size;i=i?[0,0,i[0],i[1]]:(i=t.extent)?[i[0][0],i[0][1],i[1][0],i[1][1]]:XF;const o=this.value=GF.from(r,t.x,t.y).voronoi(i);for(let t=0,e=r.length;t<e;++t){const e=o.cellPolygon(t);r[t][n]=e&&(2!==(a=e).length||a[0][0]!==a[1][0]||a[0][1]!==a[1][1])?JF(e):null}var a;return e.reflow(t.modified()).modifies(n)}});var ZF=Object.freeze({__proto__:null,voronoi:VF}),QF=Math.PI/180,KF=64,tS=2048;function eS(){var t,e,n,r,i,o,a,s=[256,256],u=aS,l=[],c=Math.random,f={};function h(t,e,n){for(var r,i,o,a=e.x,l=e.y,f=Math.hypot(s[0],s[1]),h=u(s),d=c()<.5?1:-1,p=-d;(r=h(p+=d))&&(i=~~r[0],o=~~r[1],!(Math.min(Math.abs(i),Math.abs(o))>=f));)if(e.x=a+i,e.y=l+o,!(e.x+e.x0<0||e.y+e.y0<0||e.x+e.x1>s[0]||e.y+e.y1>s[1])&&(!n||!rS(e,t,s[0]))&&(!n||oS(e,n))){for(var g,m=e.sprite,y=e.width>>5,v=s[0]>>5,_=e.x-(y<<4),x=127&_,b=32-x,w=e.y1-e.y0,k=(e.y+e.y0)*v+(_>>5),A=0;A<w;A++){g=0;for(var M=0;M<=y;M++)t[k+M]|=g<<b|(M<y?(g=m[A*y+M])>>>x:0);k+=v}return e.sprite=null,!0}return!1}return f.layout=function(){for(var u=function(t){t.width=t.height=1;var e=Math.sqrt(t.getContext("2d").getImageData(0,0,1,1).data.length>>2);t.width=(KF<<5)/e,t.height=tS/e;var n=t.getContext("2d");return n.fillStyle=n.strokeStyle="red",n.textAlign="center",{context:n,ratio:e}}($c()),f=function(t){var e=[],n=-1;for(;++n<t;)e[n]=0;return 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