There are some odd camera hitboxes. Structures and weirdly boulders too seem to have an odd hitbox for the camera. Most notably, the roof. The spaces in between the posts for the roof seem to have an invisible hitbox that affect only the camera for third person.
Right there is an example. It starts fine if the camera is outside.
But if you walk inside, the invisible wall acts as if it's solid for the camera.
How to reproduce: Just build something simple, such as a banaya tarp roof, and walk inside it. Should be easy. Unless it's just me and affects old structures possibly.