cleanup, add TODO

src/actor.rs

@@ -560,13 +560,7 @@ fn handle_wants_maxvelocity(
 }
 
 fn handle_wants_lookat(
-    mut query: Query<(
-        &Position,
-        &mut Rotation,
-        &Transform,
-        &mut ExternalTorque,
-        &WantsToLookAt,
-    )>,
+    mut query: Query<(&Position, &mut Rotation, &Transform, &WantsToLookAt)>,
     q_playercam: Query<&Position, With<PlayerCamera>>,
     id2pos: Res<game::Id2Pos>,
 ) {
@@ -577,7 +571,8 @@ fn handle_wants_lookat(
         return;
     };
 
-    for (pos, mut rot, trans, mut _torque, target_id) in &mut query {
+    // TODO: use ExternalTorque rather than hard-resetting the rotation
+    for (pos, mut rot, trans, target_id) in &mut query {
         let target_pos = if target_id.0 == cmd::ID_SPECIAL_PLAYERCAM {
             player_pos
         } else if let Some(target_pos) = id2pos.0.get(&target_id.0) {