less frequent updating of speedometer, dashboard, gauges

src/hud.rs

@@ -607,21 +607,29 @@ fn setup(
 }
 
 fn update_dashboard(
+    timer: ResMut<FPSUpdateTimer>,
     mut q_flashlight: Query<&mut Visibility, With<DashboardFlashlight>>,
     settings: Res<var::Settings>,
 ) {
+    if !timer.0.just_finished() {
+        return;
+    }
     for mut vis in &mut q_flashlight {
         *vis = bool2vis(settings.flashlight_active);
     }
 }
 
 fn update_speedometer(
+    timer: ResMut<FPSUpdateTimer>,
     q_camera: Query<&LinearVelocity, With<actor::PlayerCamera>>,
     q_target: Query<&LinearVelocity, With<IsTargeted>>,
     mut q_speedometer: Query<&mut Style, (With<Speedometer>, Without<Speedometer2>)>,
     mut q_speedometer2: Query<&mut Style, (With<Speedometer2>, Without<Speedometer>)>,
     mut q_node_speed: Query<&mut Text, With<NodeSpeedometerText>>,
 ) {
+    if !timer.0.just_finished() {
+        return;
+    }
     if let Ok(cam_v) = q_camera.get_single() {
         let speed = cam_v.length();
 
@@ -659,10 +667,14 @@ fn update_speedometer(
 }
 
 fn update_gauges(
+    timer: ResMut<FPSUpdateTimer>,
     q_player: Query<(&actor::HitPoints, &actor::Suit), With<actor::Player>>,
     mut q_gauges: Query<(&mut Style, &mut BackgroundColor, &Gauge, &GaugeLength)>,
     settings: Res<var::Settings>,
 ) {
+    if !timer.0.just_finished() {
+        return;
+    }
     let player = q_player.get_single();
     if player.is_err() { return; }
     let (hp, suit) = player.unwrap();