Update the camera transform based on the new camera center.

def _update_camera(self, camera_center):
    """Update the camera transform based on the new camera center."""
    self._world_tl_to_world_camera_rel.offset = (
        -self._world_to_world_tl.fwd_pt(camera_center) *
        self._world_tl_to_world_camera_rel.scale)