@@ -0,0 +1,287 @@
+from Box2D import *%0A%0A%0Aclass World(object):%0A    def __init__(self):%0A        self.b2world = b2World(gravity=(0, -100), doSleep=True)%0A%0A    def update(self, delta):%0A        self.b2world.Step(delta, 8, 8)%0A        self.b2world.ClearForces()%0A%0A    def render(self, screen, camera):%0A        pass%0A

Add world.py, forgot this...