make mouse rotate more reliable

src/controls.rs

@@ -25,7 +25,6 @@ pub struct Controls {
 pub fn plugin(app: &mut App) {
     app.init_resource::<Controls>();
 
-    app.add_systems(PreUpdate, clear_mouse_delta);
     app.add_systems(Update, (gamepad_controls, keyboard_controls, mouse_rotate));
     app.add_systems(Update, mouse_click.run_if(on_event::<MouseButtonInput>));
     app.add_systems(Update, gamepad_connections.run_if(on_event::<GamepadEvent>));
@@ -103,10 +102,6 @@ fn mouse_rotate(mut mouse: EventReader<MouseMotion>, mut controls: ResMut<Contro
     }
 }
 
-fn clear_mouse_delta(mut controls: ResMut<Controls>) {
-    controls.keyboard_state.look_dir = Vec2::ZERO;
-}
-
 fn keyboard_controls(keyboard: Res<ButtonInput<KeyCode>>, mut controls: ResMut<Controls>) {
     let mut direction = Vec2::ZERO;
 

src/player.rs

@@ -120,7 +120,7 @@ fn spawn(
 }
 
 fn rotate_view(
-    controls: Res<Controls>,
+    mut controls: ResMut<Controls>,
     // todo: Put the player head as a child of the rig to avoid this mess:
     mut player: Query<&mut Transform, Or<(With<PlayerRig>, With<PlayerHead>)>>,
 ) {
@@ -131,6 +131,8 @@ fn rotate_view(
             tr.rotate_y(gamepad.look_dir.x * -0.001);
         }
     }
+
+    controls.keyboard_state.look_dir = Vec2::ZERO;
 }
 
 fn toggle_grab_cursor(window: &mut Window) {