In the playground code no one lines about keyboard processing. So how it works?
It is using the default FreeCamera behavior which comes with full keyboard support
Cameras | Babylon.js Documentation (babylonjs.com)
Ok, thanks, and how collissions are work? It’s also under the hood by… the name of meshes?
UPD: I found the docs how to do this manually — Camera Collisions | Babylon.js Documentation