add a nice click sound

src/audio.rs

@@ -6,9 +6,14 @@ impl Plugin for AudioPlugin {
     fn build(&self, app: &mut App) {
         app.add_systems(Startup, setup);
         app.add_systems(Update, toggle_bgm);
+        app.add_systems(PostUpdate, play_click);
+        app.add_event::<AudioClickEvent>();
     }
 }
 
+#[derive(Event)]
+pub struct AudioClickEvent();
+
 #[derive(Component)]
 pub struct ComponentBGM;
 
@@ -18,6 +23,9 @@ pub struct ComponentThrusterSound;
 #[derive(Resource)]
 struct SoundBGM(Handle<AudioSource>);
 
+#[derive(Resource)]
+pub struct SoundClick(Handle<AudioSource>);
+
 pub fn setup(
     mut commands: Commands,
     asset_server: Res<AssetServer>,
@@ -48,6 +56,8 @@ pub fn setup(
             },
         },
     ));
+    let click_sound_handle = asset_server.load("tmp/analog-appliance-button-1-185276.ogg");
+    commands.insert_resource(SoundClick(click_sound_handle));
 }
 
 pub fn toggle_bgm(
@@ -60,3 +70,18 @@ pub fn toggle_bgm(
         }
     }
 }
+
+pub fn play_click(
+    mut commands: Commands,
+    mut events: EventReader<AudioClickEvent>,
+    sound: Res<SoundClick>,
+) {
+    if !events.is_empty() {
+        events.clear();
+        commands.spawn(AudioBundle {
+            source: sound.0.clone(),
+            // auto-despawn the entity when playback finishes
+            settings: PlaybackSettings::DESPAWN,
+        });
+    }
+}

src/hud.rs

@@ -1,4 +1,4 @@
-use crate::{settings, actor};
+use crate::{settings, actor, audio};
 use bevy::prelude::*;
 use bevy::diagnostic::{DiagnosticsStore, FrameTimeDiagnosticsPlugin};
 use std::collections::VecDeque;
@@ -215,6 +215,7 @@ fn handle_input(
     keyboard_input: Res<ButtonInput<KeyCode>>,
     settings: Res<settings::Settings>,
     mut query: Query<&mut Visibility, With<GaugesText>>,
+    mut ev_click: EventWriter<audio::AudioClickEvent>,
 ) {
     if keyboard_input.just_pressed(settings.key_togglehud) {
         for mut vis in &mut query {
@@ -223,6 +224,7 @@ fn handle_input(
             } else {
                 *vis = Visibility::Inherited;
             }
+            ev_click.send(audio::AudioClickEvent());
         }
     }
 }