JS1k: The JavaScript code golfing competition

C=Math.cos;E=Math.random;F=parseInt;w=h=0;q=[];P=[];T=10;function Q(t){return[16*Math.pow(Math.sin(t),3),-(13*C(t)-5*C(2*t)-2*C(3*t)-C(4*t))]}with(b.style)i=marginLeft=marginTop=0,overflow='hidden';function S(){with(window)c.width=w=innerWidth,c.height=h=innerHeight;a.fillStyle=0;a.fillRect(0,0,w,h);a.globalAlpha=0.1;a.lineWidth=1;a.lineJoin="round"}window.onresize=S;S();for(;i<6;i+=0.1){P.push(Q(i));}function I(k){q[k]=E();q[k+1]=E()*h;q[k+2]=E()-0.5;q[k+3]=E()-0.5;q[k+4]=E()*T;q[k+5]=E()/T;q[k+6]="rgb("+F(E()*255)+","+F(E()*255)+","+F(E()*255)+")";}for(i=0;i<25;i++)k=i*7,I(k);function D(x,y,s,c){x*=w;with(a){save();translate(x,y);scale(s,s);beginPath();strokeStyle=c;moveTo.apply(a,P[0]);for(i=1;i<P.length;i++)lineTo.apply(a,P[i]);lineTo.apply(a,P[0]);stroke();closePath();restore()}}setInterval("a.fillRect(0,0,w,h);for(k=0;k<q.length;k+=7){D(q[k]+=q[k+2]/400,q[k+1]+=q[k+3]/400, q[k+4]+=q[k+5], q[k+6]);if(q[k+4]>T)I(k)}",80);

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