Fun code snippet for http://rekapi.com/sandbox.html

gistfile1.js

function randomColor() {
    return 'rgb(' +
      parseInt(Math.random() * 256, 10) + ',' +
      parseInt(Math.random() * 256, 10) + ',' +
      parseInt(Math.random() * 256, 10) + ');';
}

function randomKeyframe (keyframes) {
    var duration = 0;
    for (var i = 0; i < keyframes; i++) {
        actor.keyframe(duration += parseInt(30, 10), {
            x: parseInt(Math.random() * 400, 10),
            y: parseInt(Math.random() * 480, 10),
            radius: parseInt(Math.random() * 275, 10),
            color: randomColor()
        });
    }
}

randomKeyframe(50);