Cool, face_off. I was going to ask about auxilliary forces in collisions (other than gravity). It'd be nice to have a force vector on each body to use in calculations, maybe setting a 'weight' (i.e.: mass) on a body and determining the acceleration from the keyframes or something! :)

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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