JS1k: The JavaScript code golfing competition

var h=window.innerHeight-20,w=b.clientWidth,oy=h/2,ox=w/2,s=[],M=Math,r=function(){return M.random()},cr=function(){var a={x:r()*w-ox,y:r()*h-oy,z:M.max(w,h),md:this.z,c:M.round(0xffffff*r()).toString(16)};if(M.abs(a.x)>M.abs(a.y)){a.dx=1.0;a.dy=M.abs(a.y/a.x)}else{a.dx=M.abs(a.x/a.y);a.dy=1.0}a.dx*=a.x>0?1:-1;a.dy*=a.y>0?1:-1;a.dz=-1;a.ddx=0.1*a.dx;a.ddy=0.1*a.dy;a.w=2*r()+2;return a},m=function(a){a.x+=a.dx;a.y+=a.dy;a.z+=a.dz;a.dx+=a.ddx;a.dy+=a.ddy},u=function(){a.translate(ox,oy);a.rotate(10*M.PI/180);for(i=0;i<s.length;i++){cs=s[i];m(cs);if(cs.x<-ox||cs.x>ox||cs.y<-oy||cs.y>oy){s[i]=cr()}else{a.fillStyle="#"+cs.c;a.shadowOffsetX=0;a.shadowOffsetY=0;a.shadowBlur=40;a.shadowColor="#"+cs.c;a.fillRect(cs.x+ox,cs.y+oy,cs.w,cs.w)}}a.translate(-ox,-oy)},d=function(){u();setTimeout(d,1/60)};for(z=0;z<100;z++){s.push(cr())}c.width=w;c.height=h;a.fillStyle='#000';a.fillRect(0,0,w,h);d();

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