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  1. M

    Game Collision Physics

    I am currently programming a 2-dimensional game and am creating a class that will allow for collision detection with any polygon defined by a set of points. The actual collision detection was easy, however i am having trouble coming up with an equation to describe the resulting velocity vector...
  2. M

    Rotation vs. Translation

    http://cheeseparade.com/diagram.png [Broken] Imagine a sphere on a frictionless surface. A string is attached to the top of the sphere, as shown. If a force is applied to the string, how will the sphere move? Will there be any torque at all, even though there is no friction? Or will the sphere...
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