No more bugs (for now).

https://github.com/fncombo/Breakout3D/commit/48e64339954a13c428941e4b4fbcae6c43277d09

https://github.com/fncombo/Breakout3D/commit/54687657386036477afe62850be01390eb4629d5
Improved lighting.
Initial ball launch is always horizontal.
Slight tweak to time difference.
Adjust velocity based on where the ball hit.