Bumping is a MusicBox which acts as a random music generator driven by physical little balls moving,bumping and colliding in a circle box.
It also generates fireworks on balls hitting the circle wall.
Use the mirror and kaleidoscope buttons at the right bottom of screen, you can make beatiful symmetrical effects.
Use the trail button at the right bottom, you can make the balls drawing an amazing random picture.
add mirror and kaleidoscope effects