no goal))) I'm just doing a great game, and is studying the collision system made this little game.
The purpose of the expense))) Aimless game.
With the way the collision system has not yet figured out whether an object at the same time listen to himself and another object may receive while normal landfill? I have an error in the billiards.

  :-\I realized, it does not work on an emulator Genymotion, running on devices.