[ODE] Sphere pass through box, mass problem

Jon Watte (ODE) hplus-ode at mindcontrol.org
Mon Nov 14 19:00:16 MST 2005


Well, it would only happen when you apply a force each step (although 
that force doesn't need to be all that high, comparatively speaking).

Cheers,

			/ h+


J. Perkins wrote:
> On 11/14/05, Jon Watte (ODE) <hplus-ode at mindcontrol.org> wrote:
> 
>>The problem I had was a case where you (as an actor) could push yourself
>>into (and through) a box. The problem was that the case that was testing
>>for != 0 before dividing, when it really needs to test for < epsilon,
>>where epsilon is min-non-denormal-squared.
> 
> 
> So the unit test case would be to place a sphere at a distance <
> epsilon from a box and let it run, correct? And I can deduce a value
> for epsilon from your code? Would probably be worthwhile to have
> similar cases for all primitives for points, edges, and faces.
> 
> Jason
> 
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