Merge pull request #9 from GitGhillie/audio-control-example

Recreate audio_control example

Cargo.toml

@@ -24,6 +24,9 @@ version = "0.13.0"
 default-features = false
 features = ["bevy_asset"]
 
+[dev-dependencies]
+bevy = "0.13"
+
 [features]
 default = []
 diagnostics = []

examples/audio_control.rs

@@ -0,0 +1,75 @@
+//! This example illustrates how to load and play an audio file.
+//! For loading additional audio formats, you can enable the corresponding feature for that audio format.
+
+use bevy::prelude::*;
+use bevy::utils::error;
+use bevy_kira_components::kira::sound::{PlaybackRate, PlaybackState};
+use bevy_kira_components::kira::tween::Tween;
+use bevy_kira_components::prelude::*;
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_plugins(AudioPlugin)
+        .add_systems(Startup, setup)
+        .add_systems(Update, (update_speed, pause, volume))
+        .run();
+}
+
+fn setup(asset_server: Res<AssetServer>, mut commands: Commands) {
+    commands.spawn((
+        AudioFileBundle {
+            source: asset_server.load("Windless Slopes.ogg"),
+            ..default()
+        },
+        MyMusic,
+    ));
+}
+
+#[derive(Component)]
+struct MyMusic;
+
+fn update_speed(
+    mut music_controller: Query<&mut AudioHandle<AudioFileHandle>, With<MyMusic>>,
+    time: Res<Time>,
+) {
+    if let Ok(mut control) = music_controller.get_single_mut() {
+        let factor = ((time.elapsed_seconds() / 5.0).sin() + 1.0).max(0.1);
+        error(control.set_playback_rate(PlaybackRate::Factor(factor as f64), Tween::default()));
+    }
+}
+
+fn pause(
+    keyboard_input: Res<ButtonInput<KeyCode>>,
+    mut music_controller: Query<&mut AudioHandle<AudioFileHandle>, With<MyMusic>>,
+) {
+    if keyboard_input.just_pressed(KeyCode::Space) {
+        if let Ok(mut control) = music_controller.get_single_mut() {
+            match control.playback_state() {
+                PlaybackState::Playing => {
+                    error(control.pause(Tween::default()));
+                }
+                PlaybackState::Pausing | PlaybackState::Paused => {
+                    error(control.resume(Tween::default()));
+                }
+                PlaybackState::Stopping | PlaybackState::Stopped => {}
+            }
+        }
+    }
+}
+
+fn volume(
+    keyboard_input: Res<ButtonInput<KeyCode>>,
+    mut music_controller: Query<&mut AudioHandle<AudioFileHandle>, With<MyMusic>>,
+    mut target_volume: Local<f64>,
+) {
+    if let Ok(mut control) = music_controller.get_single_mut() {
+        if keyboard_input.just_pressed(KeyCode::Equal) {
+            *target_volume += 0.1;
+            error(control.set_volume(*target_volume + 1.0, Tween::default()));
+        } else if keyboard_input.just_pressed(KeyCode::Minus) {
+            *target_volume -= 0.1;
+            error(control.set_volume(*target_volume + 1.0, Tween::default()));
+        }
+    }
+}

src/lib.rs

@@ -26,7 +26,7 @@
 //!
 //! ## Example
 //!
-//! ```rust
+//! ```no_run
 //! use bevy::prelude::*;
 //! use bevy_kira_components::prelude::*;
 //!