I'm always happy if I can help.

But subject question has annoyed me, why it does not work and I found a bug.

pX_setgroupcollision works very well, but pXent_setgroup not.

I'll describe this later in the bug thread.

Regards, Robert

Quote
Everything should be made as simple as possible, but not one bit simpler.
by Albert Einstein

PhysX Preview of Cloth, Fluid and Soft Body

A8.47.1P