I found the following tutorials on collision helpful: http://www.wildbunny.co.uk/blog/2011/04/06/physics-engines-for-dummies/ http://www.wildbunny.co.uk/blog/2

I found the following tutorials on collision helpful: http://www.wildbunny.co.uk/blog/2011/04/06/physics-engines-for-dummies/ http://www.wildbunny.co.uk/blog/2011/04/06/physics-engines-f... http://www.wildbunny.co.uk/blog/2011/04/20/collision-detection-for-dummies/ http://www.wildbunny.co.uk/blog/2011/04/20/collision-detecti...