_2D debug
begins moving object refactoring
various spacings. playing around with _<function_name>_ for dangerous methods, saving on object creation
further DRYs up with _mod_ & _hits_
_2D's Position & Vector pretty dried out
added clone method
Begins _2D propogation into game; various style cleanup in game scripts
sync readme
Merge branch '2d' of https://github.com/daniellacosse/asteroids into 2d