I am trying to check a collision between "b" and "B". "b" is the bullet sprite from the Bullet class, and B is the barney sprite from the Barney class.
Link: http://pastebin.com/m4d7304fc Right now nothing happens when I run the game, no collision detections and no error messages. I cant figure out what I am doing wrong. It was complaining about how b isnt defined so I made it global, same with B.