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I am having trouble figuring when a given case that is often mentioned actually comes into being.

In multiple GDC presentations, and in Eberly's Game Physics book SAT on moving objects it is also considered the case when the minimum time for initial collision (Tfirst) is bigger than the minimum time for end of collision (Tlast). I would have assumed that Tfirst <= Tlast always, but apparently I am missing a corner case...

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Can you give a link to one of the presentations, or to the relevant part of the book (if it's up on Google Books), so we can see what you're talking about? –  Nathan Reed Aug 30 '13 at 17:10
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