Rotates/orient the target entity to point toward / look at the
specified look_at entity.
- look_at : The entity to look at.
- forward : Specified the local space axis which is considered as
pointing forward in the entity. The default is Vec3(0,0,1) which
the Z axis ; that is the blue axis in the editor - note that you can
press Tab to switch the gizmo between local and world coordinates ;