How is "Simulation groups" used in the "physx shape" operator?

[cgdvs]

Hi,Tyson!

How is "Simulation groups" used in the "physx shape" operator? I tried some methods, but they never worked. Thank you!

[tyFlow]

That just sets the groups of the ground collider, which follows the same group rules as all particles.

[cgdvs]

I see. Thank you