2D Collsion Detection in Real-time Demonstration This is the sample application that accompanies Game Developer magazine. It is meant as a demonstration of a method for 2D collision detection.

A 3D RPG Engine This is the first half of an OpenGL RPG. It contains most of the graphics processing code, and also walking and also tile-based collision detection. There is suppost for complex quadratic objects (spheres, cylinders, cones) and for