Re: [Algorithms] Speculative Contacts
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From: Jon W. <jw...@gm...> - 2011-04-02 00:49:56
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On Fri, Apr 1, 2011 at 1:41 AM, Jamie Fowlston <ja...@qu...> wrote: > On 01/04/2011 04:00, Jon Watte wrote: > > > It's possible to hack with things like "assumed velocity" being > > remembered at the beginning of the time step -- do you have any thoughts > > on possibly better solutions? > > > nasty situations Just Worked with no special cases (Newton's cradle was > a favourite). > > That actually brings up another favorite topic: conservation of momentum when it's a body/body collision instead of a body/world collision. That, too, needs to be updated to use the "pre-removal" velocities for calculation. In the end, what I got at the time was one step where the objects were "touching," but the correct relative velocities/spins were applied so that the next step, the right bounce/spin/movement happened. Sincerely, jw |