[ODE] Triangle Meshes

Bram Stolk b.stolk at gmail.com
Mon Sep 10 08:32:48 MST 2007

Are you using gimpact or opcode?
trimesh vs trimesh in opcode is known to collide incorrectly.
trimesh vs trimesh in gimpact shows better results in stanford bunny vs
stanford bunny.
Neither of the two should crash.


On 9/10/07, Jeremy <pseudosig at yahoo.com> wrote:
> Are there known issues with trying to create arbitrary
> collision bodies from triangle meshes?  I have created
> a simple triangle mesh body and exported it as a
> wavefront obj file.    I converted the wavefront
> object into two arrays (vertex array and index array)
> that I copy and pasted into the
> demo_moving_trimesh.cpp.  When the demo is compiled
> and ran, it looks and behavs exactly as I expected.  I
> can crash boxes, cylinders, etc into my model, and
> they collided properly.  This is all true until I
> press the 'm' key to create the same body to crash
> into the static models.  The program hangs, and dumps
> some messages to the terminal (zero length Vector4D or
> something to that effect).
> Any help would be great!
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