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And exactly, how...?

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I am currently developing a physic system. But I am a bit lost. I want to subidivide the time at each collision to allow accurate answer. However, this means that all the scene has to be recalculated at each subdivision or only the two objects colliding?

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You don''t necessarily have to recalc the whole scene. You can use a partitioned approach. For example, only recalc things that are part of an active set. The active set might include things that have interacted with the two colliding objects in the past few time steps, or things that lie within a certain representative radis of the two colliding objects.

Graham Rhodes
Senior Scientist
Applied Research Associates, Inc.

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