JS1k: The JavaScript code golfing competition

$=q=>{c.globalAlpha=.175,f=76+C(t/2.6)*50,g=f/2.2+S(t*1.4)*(f/2.2),m=(h=32)*2,v=3.14/(h/10)*h/f,bg=`hsl(335,99%,${50-S(t/2.1)*50}%`;for(i=r*4/h|0;i--;)for(j=r*4/h|0;j--;){L=[],N(i*h+S(v*i)*g-r),N(j*h+S(v*j)*g-r),N((i+1)*h+S(v*(i+1))*g-r),N(j*h+S(v*j)*g-r),N((i+1)*h+S(v*(i+1))*g-r),N((j+1)*h+S(v*(j+1))*g-r),N(i*h+S(v*i)*g-r),N((j+1)*h+S(v*(j+1))*g-r);for(c.beginPath(),o=k=1;k<8&&o;k+=2){p=J(r-L[O=k-1],s-L[k])+.785+C(t/4)*1.6,d=K(r-L[O],s-L[k]),L[O]=r+S(p)*d,L[k]=s+C(p)*d,c.lineTo(L[O],L[k]);if(L[O]+m<0||L[k]+m<0||L[O]-m>r*2||L[k]-m>s*2)o=0};if(o)c.fillStyle=(((i+f/10+((j+f/10)/(n=f/5)|0)*n)/n|0)%2)?((i+j)%2?bg:`hsl(0,${50+C(t)*50}%,60%`):((i+j)%2?bg:`hsl(220,${50+C(t)*50}%,60%`),c.fill()};t+=1/60;requestAnimationFrame($)};t=0,r=a.width/2,s=a.height/2,M=Math,S=M.sin,C=M.cos,J=M.atan2,K=M.hypot;N=q=>L.push(q);$()

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