[Q] How do I use just the Nav Mesh for AI collision

There was once a Trello card for AI optimization that would only use the Nav Mesh for AI collision, not collision primitives.

Did this feature make it in? And if so, is there also a way of stripping out collision primitives during cook?

Using navmesh for collision (so called “Navmesh walking”) is just a movement mode and it doesn’t transparently plug into physics queries. What I mean is that we do support using navmesh as collision, but only for character movement. The feature will be part of 4.8 release.

Cheers,

–mieszko

Thank you. Will that then just become a Tick Box option on the Character?

And if we use this, is there an easy way of stripping collision meshes from data during cook?

“Navmesh walking” is just a movement mode, and you’ll be able to pick it as character’s default movement mode. Regarding stripping off collision during cook I suggest you created a separate question regarding this.