[ODE] Large trimesh triangles

Chris Ledwith cledwith at d-a-s.com
Tue Jan 18 15:25:32 MST 2005

>> usually this comes down to the problem that you shouldnt
>  > settle with too huge triangles in a trimesh.
> I've seen references to this problem on the list several
> times.  Out of curiosity, is there some good reason why
> this should be the case?  It seems to me that collision
> between small geoms and large triangles should be roughly
> equivalent to collision between geoms and planes, which
> is quite stable.  Is there something that I'm missing
> here, or have the current trimesh colliders simply been
> worked out thoroughly only for the case of triangles that
> are small relative to the other geometries?

I've seen some mention of it too, but I've never had any problems at all
with large triangles vs. small geometries. I have a few boxes 1 unit to a
side interacting with triangles that are 1000 units to a side. It's quite
stable for me.


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