JS1k: The JavaScript code golfing competition

function C(n,i,r){t=this;t.r=n|0;t.g=i|0;t.b=r|0}function P(n,i,r){t=this;t.x=n;t.y=i;t.z=r}function A(){var s;requestAnimationFrame(A);var w=10,b=X.createImageData(W,H),o=b.data,n=new C(Y,Z,Y),c=new C(Y,Y,Z);for(i=0;i<N;i++){var l=gs[i],f=l.x,e=l.y,t=l.z,r=co(a),u=si(a),k=e*r-t*u,v=t=e*u+t*r;e=k;s=f*r-t*u;v=f*u+t*r;f=s;t=v;s=f*r-e*u;k=f*u+e*r;p3=new P(rd(s*w+W/2),rd(v*w+H/2),0);var y=i/gs.length,p=new C(n.r+(c.r-n.r)*y,n.g+(c.g-n.g)*y,n.b+(c.b-n.b)*y),h=(p3.x+p3.y*W)*4;o[h]=p.r;o[h+1]=p.g;o[h+2]=p.b;o[h+3]=Z}X.putImageData(b,0,0);a=a<F?a+S:0}rd=Math.round;si=Math.sin;co=Math.cos;F=Math.PI*2;S=F/720;Y=28;Z=255;O=window;gc=O.a;W=gc.width;H=gc.height;X=O.c;np=9999;ns=99;N=np-ns;O.b.style.background="#000";for(var i=0,h=.01,x0=x1=.1,y0=y1=0,z0=z1=0,gs=new Array(np-ns),i=0;i<np;i++)x1=x0+h*10*(y0-x0),y1=y0+h*(x0*(Y-z0)-y0),z1=z0+h*(x0*y0-8/3*z0),x0=x1,y0=y1,z0=z1,i>=ns&&(gs[i-ns]=new P(x0,y0,z0-Y));a=0;gp=1;A()

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