shasheene/kartBattle — pull request #9 by joshchapman (2014-06-09 03:37:16+00:00)
Title: collision between cars - only pull if want this implementation

collision between cars is determined be distance between both cars, not truely to the car bounds but does offer some collision stoppage.
calculated as a circle around the cars, at give point, do not know where the given point on the car is.