Tumo (http://tumo.org) Creative Center Fountain Simulator
http://www.youtube.com/watch?v=Gwzm2ec5AcA&t=0m10s
Frontend JavaScript.
Backend NODE JS.
Download unzip open js/show.js.
After /*START CODE HERE */
Type
sim.light(0).setColor(255,0,0);
sim.display();
sim.light(1).setColor(255,255,0);
sim.display(2);
for(var i in range(0,333)){
sim.light(i).setColor(255,0,0);
sim.display(0.025);
}
Save the file and open index.html using google chrome.
Enjoy.