0x316042d3…fbe8sent to0x32d4be5e…f436·#16,638,925·view on Etherscan
class Random{constructor(){this.usage=0;this.useA=false;this.sfc32=function(uint128Hex){let a=parseInt(uint128Hex.substr(0,8),16);let b=parseInt(uint128Hex.substr(8,8),16);let c=parseInt(uint128Hex.substr(16,8),16);let d=parseInt(uint128Hex.substr(24,8),16);return function(){a|=0;b|=0;c|=0;d|=0;let t=(a+b|0)+d|0;d=d+1|0;a=b^b>>>9;b=c+(c<<3)|0;c=c<<21|c>>>11;c=c+t|0;return(t>>>0)/4294967296}};this.prngA=new this.sfc32(tokenData.hash.substr(2,32));this.prngB=new this.sfc32(tokenData.hash.substr(34,32));for(let i=0;i<1e6;i+=2){this.prngA();this.prngB()}}reset(times){this.prngA=new this.sfc32(tokenData.hash.substr(2,32));this.prngB=new this.sfc32(tokenData.hash.substr(34,32));for(let i=0;i<1e6;i+=2){this.prngA();this.prngB()}for(let i=0;i<times;i++){this.random_dec()}}random_dec(){this.usage++;this.useA=!this.useA;return this.useA?this.prngA():this.prngB()}random_num(a,b){return a+(b-a)*this.random_dec()}random_int(a,b){return Math.floor(this.random_num(a,b+1))}random_choice(list){return list[this.random_int(0,list.length-1)]}random(a=1,b=0){return this.random_num(a,b)}}const RANDOM=new Random;function timeout(ms){return new Promise(resolve=>setTimeout(resolve,ms))}function toCrv(crv){crv.push(crv[crv.length-1]);crv.splice(0,0,crv[0]);const newCrv=[];for(let i=0;i<crv.length-3;i++){const nextP=crv[i+1];const nextnextP=crv[i+2];const l=vdist(nextP,nextnextP);for(let t=0;t<l;t++){x=curvePoint(crv[i].x,crv[i+1].x,crv[i+2].x,crv[i+3].x,t/l);y=curvePoint(crv[i].y,crv[i+1].y,crv[i+2].y,crv[i+3].y,t/l);newCrv.push(v(x,y))}}return newCrv}const v=(x,y)=>createVector(x,y),vdist=p5.Vector.dist;vadd=p5.Vector.add,vmul=p5.Vector.mult,vsub=p5.Vector.sub;const angleVec=(a,d)=>v(cos(a)*d,sin(a)*d);const R=(a=1,b=0)=>RANDOM.random(a,b);const R2=(a=1,b=0)=>Math.floor(R(a,b+1));const R3=arr=>arr[Math.floor(R(arr.length))];const easeInOutExpo=x=>x===0?0:x===1?1:x<.5?pow(2,20*x-10)/2:(2-pow(2,-20*x+10))/2;const easeOutQuad=x=>1-(1-x)*(1-x);const easeOutQuad_reverse=x=>1-sqrt(1-x);projections=[(x,y)=>{x*=-1;let r=sqrt(x*x+y*y)*2;r=easeOutQuad_reverse(r)/2;const a=atan2(y,x);if(r>.5||!r)return null;const lat=r*180-90;const long=a;return V(lat,long)},(x,y)=>{const lat=y*180;const long=x*360;if(abs(lat)>90||abs(long)>180)return null;return V(lat,long)},(x,y)=>{x*=-1;y=(y+.25)/1.5;let r=sqrt(x*x+y*y);r=(r-.05)/.45;r=easeOutQuad_reverse(r);const lat=r*180-90;if(r<0||!r)return null;const a=(atan2(y,x)+360)%360;let long=null;if(a<200)long=(a+20)/220*360-180;if(a>340)long=(a-340)/220*360-180;if(!long)return null;return V(lat,long)},(origx,origy)=>{x=origx*pi*2;y=origy*halfPi*2.5;var delta;var sy=sign(y);y=abs(y)/pi;var x1=sign(x)*x/halfPi,D=(x1*x1-1+4*y*y)/abs(x1),D2=D*D,B=y*(2-(y>.5?min(y,abs(x)):0)),r=x*x+y*y,i=50;do{var B2=B*B,C=(8*B-B2*(B2+2)-5)/(2*B2*(B-1)),C_=(3*B-B2*B-10)/(2*B2*B),C2=C*C,BC=B*C,B_C=B+C,B_C2=B_C*B_C,B_3C=B+3*C,F=B_C2*(B2+C2*D2-1)+(1-B2)*(B2*(B_3C*B_3C+4*C2)+C2*(12*BC+4*C2)),F_=-2*B_C*(4*BC*C2+(1-4*B2+3*B2*B2)*(1+C_)+C2*(-6+14*B2-D2+(-8+8*B2-2*D2)*C_)+BC*(-8+12*B2+(-10+10*B2-D2)*C_)),sqrtF=sqrt(F),f=D*(B_C2+C2-1)+2*sqrtF-x1*(4*B_C2+D2),f_=D*(2*C*C_+2*B_C*(1+C_))+F_/sqrtF-8*B_C*(D*(-1+C2+B_C2)+2*sqrtF)*(1+C_)/(D2+4*B_C2);B-=delta=f/f_}while(delta*r*r>epsilon&&--i>0);let lon=sign(x)*(sqrt(D*D+4)+D)*pi/4;let lat=sy*halfPi*B;lat=lat/halfPi*90;lon=lon/pi*180;if(!lat||!lon)return null;if(abs(lat)>90||abs(lon)>180)return null;return V(lat,lon)},(origx,origy)=>{if(abs(origy)>.45)return null;x=origx*pi*2;y=origy*halfPi*2;var phi=y,i=25,delta,phi2,phi4,phi6;do{phi2=phi*phi;phi4=phi2*phi2;phi-=delta=(phi*(1.01183+phi4*phi4*(-.02625+.01926*phi2-.00396*phi4))-y)/(1.01183+phi4*phi4*(9*-.02625+11*.01926*phi2+13*-.00396*phi4))}while(abs(delta)>epsilon2&&--i>0);phi2=phi*phi;phi4=phi2*phi2;phi6=phi2*phi4;let lon=x/(.84719-.13063*phi2+phi6*phi6*(-.04515+.05494*phi2-.02326*phi4+.00331*phi6)),lat=phi;lat=lat/halfPi*90;lon=lon/pi*180;if(abs(lat)>90||abs(lon)>180)return null;return V(lat,lon)},(x,y)=>{x*=2;y*=2;const lat=y*90;const w=sqrt(1-abs(y)**2)/2;let lon=200;lon=map(abs(x),.5-w,.5+w,0,180);if(lon>180||lon<0)return null;if(abs(lat)>90||abs(lon)>180)return null;lon*=sign(x);return V(lat,lon)},(origx,origy)=>{const x=origx*pi*2;const y=origy*halfPi*2.5;const z=sqrt(x*x+y*y),c=2*asin(z/2),sc=sin(c),cc=cos(c);let lon=atan2(x*sc,z*cc),lat=asin(z&&y*sc/z);if(abs(lat)>90||abs(lon)>180)return null;if(!lat&&!lon)return null;return V(lat,lon)}];function ellipticJi(u,v,m){var a,b,c;if(!u){b=ellipticJ(v,1-m);return[[0,b[0]/b[1]],[1/b[1],0],[b[2]/b[1],0]]}a=ellipticJ(u,m);if(!v)return[[a[0],0],[a[1],0],[a[2],0]];b=ellipticJ(v,1-m);c=b[1]*b[1]+m*a[0]*a[0]*b[0]*b[0];return[[a[0]*b[2]/c,a[1]*a[2]*b[0]*b[1]/c],[a[1]*b[1]/c,-a[0]*a[2]*b[0]*b[2]/c],[a[2]*b[1]*b[2]/c,-m*a[0]*a[1]*b[0]/c]]}function ellipticJ(u,m){var ai,b,phi,t,twon;if(m<epsilon){t=sin(u);b=cos(u);ai=m*(u-t*b)/4;return[t-ai*b,b+ai*t,1-m*t*t/2,u-ai]}if(m>=1-epsilon){ai=(1-m)/4;b=cosh(u);t=tanh(u);phi=1/b;twon=b*sinh(u);return[t+ai*(twon-u)/(b*b),phi-ai*t*phi*(twon-u),phi+ai*t*phi*(twon+u),2*atan(exp(u))-halfPi+ai*(twon-u)/b]}var a=[1,0,0,0,0,0,0,0,0],c=[sqrt(m),0,0,0,0,0,0,0,0],i=0;b=sqrt(1-m);twon=1;while(abs(c[i]/a[i])>epsilon&&i<8){ai=a[i++];c[i]=(ai-b)/2;a[i]=(ai+b)/2;b=sqrt(ai*b);twon*=2}phi=twon*a[i]*u;do{t=c[i]*sin(b=phi)/a[i];phi=(asin(t)+phi)/2}while(--i);return[sin(phi),t=cos(phi),t/cos(phi-b),phi]}function ellipticFi(phi,psi,m){var r=abs(phi),i=abs(psi),sinhPsi=sinh(i);if(r){var cscPhi=1/sin(r),cotPhi2=1/(tan(r)*tan(r)),b=-(cotPhi2+m*(sinhPsi*sinhPsi*cscPhi*cscPhi)-1+m),c=(m-1)*cotPhi2,cotLambda2=(-b+sqrt(b*b-4*c))/2;return[ellipticF(atan(1/sqrt(cotLambda2)),m)*sign(phi),ellipticF(atan(sqrt((cotLambda2/cotPhi2-1)/m)),1-m)*sign(psi)]}return[0,ellipticF(atan(sinhPsi),1-m)*sign(psi)]}function ellipticF(phi,m){if(!m)return phi;if(m===1)return log(tan(phi/2+quarterPi));var a=1,b=sqrt(1-m),c=sqrt(m);for(var i=0;abs(c)>epsilon;i++){if(phi%pi){var dPhi=atan(b*tan(phi)/a);if(dPhi<0)dPhi+=pi;phi+=dPhi+~~(phi/pi)*pi}else phi+=phi;c=(a+b)/2;b=sqrt(a*b);c=((a=c)-b)/2}return phi/(pow(2,i)*a)}var abs=Math.abs;var atan=Math.atan;var atan2=Math.atan2;var ceil=Math.ceil;var cos=Math.cos;var exp=Math.exp;var floor=Math.floor;var log=Math.log;var max=Math.max;var min=Math.min;var pow=Math.pow;var round=Math.round;var sign=Math.sign||function(x){return x>0?1:x<0?-1:0};var sin=Math.sin;var tan=Math.tan;var epsilon=1e-6;var epsilon2=1e-12;var pi=Math.PI;var halfPi=pi/2;var quarterPi=pi/4;var sqrt1_2=Math.SQRT1_2;var sqrt2=sqrt(2);var sqrtPi=sqrt(pi);var tau=pi*2;var degrees=180/pi;var radians=pi/180;function sinci(x){return x?x/Math.sin(x):1}function asin(x){return x>1?halfPi:x<-1?-halfPi:Math.asin(x)}function acos(x){return x>1?0:x<-1?pi:Math.acos(x)}function sqrt(x){return x>0?Math.sqrt(x):0}function tanh(x){x=exp(2*x);return(x-1)/(x+1)}function sinh(x){return(exp(x)-exp(-x))/2}function cosh(x){return(exp(x)+exp(-x))/2}function arsinh(x){return log(x+sqrt(x*x+1))}function arcosh(x){return log(x+sqrt(x*x-1))}backgroundColors=[[245,245,220],[239,208,184],[219,206,160],[234,234,234],[50,50,50]];goldColors=[[194,175,80],[114,84,15],[210,186,92],[255,230,140]];greenColors=[[85,166,48],[0,127,95],[128,185,24],[43,147,72]];ribbonColors=[[255,71,55],[210,186,92]];const toColor=colorArray=>color(colorArray[0],colorArray[1],colorArray[2]);let onMap,brightColor,depth,col,slope;let lightHeight,hitMap,lastDepth,pos;let slopeMultiplier,ribbon;function setup(){const ratio=9/16;if(windowWidth<windowHeight*ratio)createCanvas(round(windowWidth),round(windowWidth/ratio));else createCanvas(round(windowHeight*ratio),round(windowHeight));setAttributes("willReadFrequently",true);PS=width/1e3;noiseSeed(R2(1e3));angleMode(DEGREES);V=createVector;backgroundColor=R3(backgroundColors);paperColor=[255,215,200].sort(()=>R()-.5);paperColor=[255,255,255];pencilDarkColor=[0,0,R()<.5?0:50];pencilBrightColor=R()<.7||backgroundColor[0]<100?[255,255,255]:backgroundColor;renderType=R3([1,2]);if(renderType==1)moreColors=R3([goldColors,greenColors]);withWallShadow=R()<.5;makeImage()}async function makeImage(){makeBackground();await timeout();projection=R3(projections);fillDir=R(30,80)*(R()<.5?1:-1);gridAspectRatio=projections.indexOf(projection)==5?2:1.5;const horizontalMargin=width*.1;gridWidth=width-horizontalMargin*2;gridHeight=gridWidth*gridAspectRatio;if(gridHeight>height-horizontalMargin*2){gridHeight=height-horizontalMargin*2;gridWidth=gridHeight/gridAspectRatio}heightMap=createHeightMap();drawArea=withWallShadow?[width,height]:[gridWidth,gridHeight];RANDOM.reset();const d=pixelDensity();console.time("phase - draw relief");translate(-width/2,height/2);if(R()<.3){ribbonStart=V(drawArea[0]*R(-.4,.4),-drawArea[1]*.4);ribbonCenter=V(drawArea[0]*R(-.3,.3),0);ribbonEnd=V(drawArea[0]*R(-.4,.4),drawArea[1]*.4);ribbonStartDir=vsub(ribbonCenter,ribbonStart).rotate(R(-45,45)).normalize(100*PS);ribbonEndDir=vsub(ribbonCenter,ribbonEnd).rotate(R(-45,45)).normalize(100*PS);ribbonPath=[ribbonStart,ribbonStart.add(ribbonStartDir),ribbonCenter,ribbonEnd.add(ribbonEndDir),ribbonEnd];ribbonPath=toCrv(ribbonPath);ribbon={path:ribbonPath,width:PS*R(80,200),color:R3(ribbonColors)};ribbon.mask=createGraphics(width,height);ribbon.mask.strokeWeight(ribbon.width/2);for(let i=0;i<ribbon.path.length;i++){const pos=ribbon.path[i];ribbon.mask.point(width/2+pos.x,height/2+pos.y)}ribbon.mask.loadPixels();applyRibbon=()=>{const x=round(pos.x+width/2);const y=round(pos.y+height/2);const i=(y*d*width*d+x*d)*4;const inRibbonMask=ribbon.mask.pixels[i+3]>0;if(inRibbonMask){brightColor=ribbon.color;depth+=lerp(abs(pos.y)/gridHeight,1,.5)*60;hitMap=true;onMap=true}}}const shadowMultiplier=R(.2,.8);applyLights=()=>{if(!depth)return;if(depth>lightHeight)col+=200;lightHeight=max(lightHeight,depth);const distToLight=V(pos.x,pos.y).div(gridHeight,gridWidth).add(.5,.5).sub(lightPos).mag();const lightStep=map(distToLight,0,2,1,.2)*shadowMultiplier;lightHeight-=lightStep};if(renderType==1){prepareRender=()=>{let finalColor=brightColor;if(col<slopeMultiplier*.3)finalColor=pencilDarkColor;else if(col<slopeMultiplier*.8)finalColor=brightColor==pencilBrightColor?R3(moreColors):brightColor;stroke(finalColor[0],finalColor[1],finalColor[2])};slopeMultiplier=255}else if(renderType==2){prepareRender=()=>{stroke(lerp(pencilDarkColor[0],brightColor[0],col/255),lerp(pencilDarkColor[1],brightColor[1],col/255),lerp(pencilDarkColor[2],brightColor[2],col/255))};slopeMultiplier=30}shouldFilterHits=withWallShadow?()=>!hitMap||!onMap&&depth>lightHeight:()=>!hitMap||!onMap;lightPos=V(fillDir>0?0:1,0);offsetX=drawArea[1]*tan(90-fillDir);startX=fillDir>0?-drawArea[0]/2-offsetX:-drawArea[0]/2;endX=fillDir>0?drawArea[0]/2:drawArea[0]/2-offsetX;moveX=PS*Math.sign(fillDir)*cos(fillDir)*.25;moveY=PS*Math.sign(fillDir)*sin(fillDir)*.25;strokeWeight(PS*2);for(let x=startX;x<endX;x+=1*PS){lightHeight=0;hitMap=false;lastDepth=0;pos=V(x,-drawArea[1]/2);while(pos.y<drawArea[1]/2){pos.y+=moveY;pos.x+=moveX;if(pos.x<-drawArea[0]/2||pos.x>drawArea[0]/2||pos.y<-drawArea[1]/2||pos.y>drawArea[1]/2)continue;const relX=pos.x/gridWidth;const relY=pos.y/gridHeight;onMap=false;brightColor=pencilBrightColor;depth=0;col=0;slope=0;const pos2d=projection(relY,relX);if(pos2d){const i=4*(Math.round((pos2d.x+90)/180*heightMap.height)*d*(heightMap.width*d)+Math.round((pos2d.y+180)/360*heightMap.width)*d);depth+=heightMap.pixels[i];slope=depth-lastDepth;col=slope*slopeMultiplier;lastDepth=depth;hitMap=true;onMap=true}applyRibbon();if(shouldFilterHits())continue;applyLights();col=constrain(col,0,255);strokeWeight(PS*(depth/255+1)*2);prepareRender();const drawPos=distortPos(pos);line(drawPos.x+width,drawPos.y,drawPos.x+width,drawPos.y+.1)}pos.x++;await timeout()}console.timeEnd("phase - draw relief")}function shouldFilterHits(){}function applyRibbon(){}function applyLights(){}function prepareRender(){}function makeBackground(){background(220);fill(backgroundColor);noStroke();rect(20*PS,20*PS,width-40*PS,height-40*PS,2*PS);const paperColorHex=`#${num2hex(pencilDarkColor[0])}${num2hex(pencilDarkColor[1])}${num2hex(pencilDarkColor[2])}`;for(let i=0;i<10;i++){const x=R(width);const y=R(height);const gradient=drawingContext.createRadialGradient(x,y,0,x,y,width*R(.25,.75));gradient.addColorStop(0,paperColorHex+"31");gradient.addColorStop(1,paperColorHex+"00");drawingContext.fillStyle=gradient;rect(0,0,width,height)}let x=0;loadPixels();for(let i=0;i<pixels.length;i+=4){x++;const n=noise(x/100,i/100)*10-5;pixels[i]+=n;pixels[i+1]+=n;pixels[i+2]+=n}updatePixels()}function num2hex(n){return n.toString(16).padStart(2,"0")}function distortPos(pos){const mag=pos.mag();const angle=pos.heading();const newDist=mag*(1+noise(mag/(PS*100),angle/100)*.15-.075);return angleVec(angle,newDist)}