const gameSpeed=40;let PS=500,FR=!0;const canvas=document.getElementById("canvas"),ctx=canvas.getContext("2d"),gap=2,gsX=window.innerWidth>window.innerHeight?96:window.innerWidth===window.innerHeight?81:51,gsY=window.innerWidth>window.innerHeight?51:window.innerWidth===window.innerHeight?81:96,minSizeToMove=9*gsY,csX=2*gsX+2*gsX,csY=2*gsY+2*gsY;canvas.width=csX,canvas.height=csY;let ratio=csX<window.innerWidth?window.innerHeight/csY:csX/window.innerWidth;canvas.style.zoom=ratio;const r=SeedRandom(IND);function adjustColor(e,t){(e=String(e).replace(/[^0-9a-f]/gi,"")).length<6&&(e=e[0]+e[0]+e[1]+e[1]+e[2]+e[2]),t=t||0;var s,l,n="#";for(l=0;l<3;l++)n+=("00"+(s=Math.round(Math.min(Math.max(0,(s=parseInt(e.substr(2*l,2),16))+s*t),255)).toString(16))).substr(s.length);return n}let ccA=[];for(let i=0;i<10;i++){let e=COLS.map(e=>adjustColor(e,.2*Math.random()+.2));ccA.push(e)}const colInd=r(ccA.length),colArr=ccA[colInd],cl=colArr.length;document.title="Blockchain day #"+IND,window.addEventListener("resize",()=>{ratio=csX<window.innerWidth?window.innerHeight/csY:csX/window.innerWidth,canvas.style.zoom=ratio});let grid=Array(gsY).fill(null).map(()=>Array(gsX).fill(0)),cells=[];class Cell{constructor(e,t,s,l,n){this.x=e,this.y=t,this.destX=s,this.size=l,this.age=n,this.ageStep=0,this.spMod=.3*Math.random(),this.moving=!1,this.startX=e}}const cSz=canvas.width/gsX-2,sizeD={1:.3,2:.2,3:.1,4:.1,5:.08,6:.07,7:.06};let rPROB=1-sizeD[1]-sizeD[2]-sizeD[3]-sizeD[4]-sizeD[5]-sizeD[6];const exponent=-Math.log(1/333)/Math.log(gsY);for(let size=8;size<=gsY;size++){let t=rPROB*Math.pow(size,-exponent);sizeD[size]=t,rPROB-=t}function gRCS(){let e=r(333)/cl,t=0;for(let s=1;s<gsY;s++)if(e<=(t+=sizeD[s]))return Math.floor(s)+1;return 1}function mAtX(e,t){return cl-1-Math.floor(e/t*cl)}function fGr(){for(let e=0;e<gsY;e++)for(let t=0;t<gsX;t++)if(0===grid[e][t]){let s=FR?gRCS():(gsY-e)/2+(gsY-e)/2;for(;!cPC(grid,t,e,s)&&s>0;)s--;if(s>0){let l=FR?t:gsX+Math.floor(r(cl))+2;cells.push(new Cell(l,e,t,s,FR?mAtX(t,gsX+Math.floor(5*r(cl-1))):Math.floor(2*Math.random()))),plC(t,e,s)}}FR=!1}let lAIT=0;function rCFG(e){for(let t=e.y;t<e.y+e.size;t++)for(let s=e.x;s<e.x+e.size;s++)t<gsY&&s<gsX&&(grid[t][s]=0)}function delC(e){rCFG(e),cells.splice(cells.indexOf(e),1)}function mCell(e,t){canMove(e)&&(rCFG(e),e.moving=!0,e.destX=t,plC(t,e.y,e.size))}function sSCiR(){for(let e=1;e<gsX;e++)for(let t=0;t<gsY;t++)cells.filter(s=>!s.moving&&s.x===e&&s.y===t).forEach(t=>{mCell(t,e-1)})}function sCiR(e){let t=cells.filter(t=>!t.moving&&t.x>e.x&&t.y>=e.y&&t.y+t.size<e.y+e.size&&t.size<=e.size).sort((e,t)=>t.size-e.size);return t.length>0&&(rCFG(t[0]),t[0].moving=!0,t[0].destX=e.x,plC(t[0].destX,t[0].y,t[0].size),!0)}function canMove(e){if(e.moving)return!1;for(let t=e.y;t<e.y+e.size;t++)if(t<gsY&&e.x>0&&0!==grid[t][e.x-1])return!1;return!0}function draw(e){e.destX-e.x>=0?(e.moving=!1,e.x=e.destX):(e.moving=!0,e.x-=PS,e.x<e.destX&&(e.x=e.destX));let t=e.x*(cSz+2),s=e.y*(cSz+2),l=e.size*cSz+(e.size-1)*2;ctx.fillStyle=gCol(e.age),e.moving&&e.startX>=gsX-2&&(ctx.fillStyle="rgba(255,255,255,0.9)"),ctx.fillRect(t+1,s+1,l,l),e.destX===e.x&&(e.startX=e.x)}let pass=0;function uADC(e){if(e-lAIT>=40){let t=!1;ctx.globalAlpha=.3,ctx.globalCompositeOperation="destination-out",ctx.fillRect(0,0,canvas.width,canvas.height),ctx.globalCompositeOperation="source-over",ctx.globalAlpha=1,cells.forEach(e=>{if(draw(e),e.ageStep++,1280===e.ageStep||e.size<=10&&e.ageStep===(e.size-1)*64+256||e.age===cl){if(e.age>cl&&!e.moving){pass+=e.size;let $=e;delC(e),t=sCiR($)}if(e.age++,e.ageStep=0,(e.age===cl-3||e.age===cl-2)&&1===e.size){let s=e;for(let l=s.x-1;l<=s.x+1;l++)for(let n=s.y-1;n<=s.y+1;n++)if(l>=0&&l<gsX&&n>=0&&n<gsY){let o=cells.filter(e=>!e.moving&&e.x===l&&e.y===n&&e.size<=2)[0];o&&(o.age=s.age)}}}}),sSCiR(),pass>Math.min(cells.length-1,minSizeToMove)&&(fGr(),pass=0),PS=4,lAIT=e;}requestAnimationFrame(uADC)}function plC(e,t,s){for(let l=t;l<t+s;l++)for(let n=e;n<e+s;n++)l<gsY&&n<gsX&&(grid[l][n]=1)}function cPC(e,t,s,l){if(t<0-l||s<0||s+l>gsY)return!1;for(let n=s;n<s+l;n++)for(let o=t;t>=gsX-1?o<gsX:o<t+l;o++)if(0!==e[n][o])return!1;return!0}function gCol(e){return colArr[e]}function SeedRandom(e,t){return"number"!=typeof e&&(e=+new Date),"number"!=typeof t&&(t=e),e=e%4294967086+1,t=t%4294965886+1,function s(l){return(t=65537*t%4294965887,(e=65539*e%4294967087)<l&&t<l&&e<4294967087%l&&t<4294965887%l)?s(l):(e+t)%l}}fGr(),uADC();