[ODE] Opcode TrisMesm collisions

[Erwin de Vries]

> As I use double-sided triangles, some of my triangles could be
counter-clockwise and other clockwise. Can OPCODE be confused with this
situation ? Is there any solutions ? (I need collisions with the two sides
of my triangles !)

This is currently not supported. I'm not 100% sure what would happen if you
would define 2 triangles out of the same indices, but with other winding. It
might work. See for youself.

Erwin