Changelog: V1.1: bugs fixed V1.2: bugs fixed, added bouncing(not collision), now you can make more then one physical object. V1.3 added collision (work realy bad use V1.1 if you don't need colision and more than one object) V1.5 Returned to 1.2 bouncing system. Now you can add force in some direction instead of using XYVel
