Collision Detection & Response
By Alan Baylis 15/06/2001
Collision detection and response is one of the most important parts of a game and also one of the hardest parts to write if you want a good collision response that slides up stairs and around corners. I have adapted my collision routine from the tutorial and source by
Kasper Fauerby - aka Telemachos though I have omitted the parts related to ellipsoid collision detection. The reason for this is because the ellipsoid method used in the tutorial fails to account for a rotated ellipsoid; when the camera rotates, the ellipsoid used for the camera collision is still axis aligned. So for now I use it as a unit sphere collision routine and will work on a new routine later.
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