add note about parent objects not being supported

src/world.rs

@@ -265,6 +265,8 @@ fn handle_cheats(
 // A variant of bevy_xpbd_3d::plugins::position_to_transform that adjusts
 // the rendering position to center entities at the player camera.
 // This avoids rendering glitches when very far away from the origin.
+//
+// NOTE: This currently does not support parent objects.
 pub fn position_to_transform(
     q_player: Query<&Position, With<actor::PlayerCamera>>,
     mut q_trans: Query<(&mut Transform, &Position, &Rotation)>,