JS1k: The JavaScript code golfing competition

H=document.getElementById('c');H.style.cssText="position:absolute;top:0;left:0;width:100%;height:100%;";E=H.height=H.width=600;R=H.getContext('2d');A="rgba(50,50,50,";R.fillStyle =A+"1)";R.fillRect(0,0,E,E);R.T=R.lineTo;C=255;L=C/2;I=0;T=20;U=Math;S=U.sin;_=U.sqrt(3)/2;setInterval(function(d,r,a,g,o,n,f,l,y){l=(1+S(3*S(23*I)))*L;y=(1+S(7*S(17*I)))*L;R.drawImage(H,10,5,585,590,0,0,E,E);R.fillStyle=A+".01)";R.fillRect(0,0,E,E);for(d=0;d<C;d+=5){for(r=0;r<C;r+=5){g=l+d*((1+S(5*S(19*I)))*L-l)/C;o=y+d*((1+S(11*S(13*I)))*L-y)/C;a=(g+r*(o-g)/C)>>0;n=80+d*_+r*_;f=427+d*.5-r*.5-a;R.fillStyle="rgb("+d+","+a+","+r+")";R.beginPath();R.moveTo(n,f);R.T(n+T*_,f-T*0.5);R.T(n+T*2*_,f);R.T(n+T*_,f+T*.5);R.closePath();R.fill();}}I+=.0005;},85);

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