Rigidbody vs MeshCollider?

Unity Engine
1

I’m working on a project where we generate a lot of meshes. So most of the stuff in the world is a MeshCollider. The main vehicle (also dynamically created) uses physics to move around, so it is a rigidbody.

My problem is that these two don’t bump in to each other, so I need to generate a MeshCollider to attach to the vehicle. Is this correct? It seems correct since attaching a BoxCollider to the vehicle makes everything work. (The BoxCollider is also required to hit triggers.)

While searching for this answer here I found a thread saying there was a great summary of when to use rigidbodies vs meshcolliders, but I don’t see it in the docs.

2

It’s at the bottom of the page about mesh colliders. You can make convex mesh colliders collide with normal mesh colliders, but it seems completely unnecessary for a car–a box collider or three would be fine. Also mesh colliders take some pre-processing time, so it’s highly unlikely that you want to use them for dynamically-created objects. Always try to use primitive colliders whenever possible.

–Eric

3

Best page ever. Thanks.