How i can disable collision between some group meshes

Questions
1

I need to make sure spheres fall into the box, but don’t collision with same spheres.
Any help, please
https://www.babylonjs-playground.com/#K6M44R#1113

2

Not sure this is possible at physics engine level: @RaananW / @Cedric

3

You can do it with collision filter and masks. Let me try to find some documentation

4

The collision group and mask are exposed in ammojs but there is nothing to forward those properties between babylonjs and ammo. I’ll do a PR tomorrow to fix that.

6 Likes
5

PR Ammo.js collision group and mask supported by impostor parameters by CedricGuillemet · Pull Request #8028 · BabylonJS/Babylon.js · GitHub

4 Likes