JS1k: The JavaScript code golfing competition

l=200;k=5;c.height=l;c.width=l;h=0;function e(b){return Math.floor(Math.random()*b)-1}function f(b){a.beginPath();a.fillStyle=b.f;a.arc(b.x,b.y,b.a,0,6);a.fill()}function g(b){b.x<k&&(b.x=k);b.y<k&&(b.y=k);b.x>l-k&&(b.x=l-k);b.y>l-k&&(b.y=l-k)}z=[];w=[];for(var j=0;1>j;j++)z.push({g:"L",a:4+e(4),x:l/2,y:l/2,b:0,c:0,d:0,e:0,f:"black"});for(var m=0;10>m;m++)w.push({g:"F",a:4+e(20),x:k+e(l),y:k+e(l),f:"#00FF00"});
setInterval(function(){a.fillStyle="#DDFFFF";a.fillRect(0,0,l,l);h++;for(var b=0;b<w.length;b++){f(w[b]);var d=w[b];d.x+=0.2*e(3);d.y+=0.2*e(3);g(d);2>=w[b].a&&w.splice(b,1)}for(d=0;d<z.length;d++){b=z[d];b.x+=b.b;b.y+=b.c;b.b+=b.d;b.c+=b.e;b.d=0.5*e(3);b.e=0.5*e(3);0==h%8&&(b.b=0,b.c=0);g(b);f(z[d]);b=z[d];10<b.a&&1600>z.length&&(b.a=5,z.push({g:"L",a:5,x:b.x,y:b.y,b:-1*b.b,c:-1*b.c,d:-1*b.d,e:-1*b.e,f:"#222222"}));for(b=0;b<w.length;b++)if(Math.sqrt((z[d].x-w[b].x)*(z[d].x-w[b].x)+(z[d].y-w[b].y)*
(z[d].y-w[b].y))<z[d].a+w[b].a){z[d].a+=0.05;w[b].a-=0.05;break}}},20);

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

Original source not submitted