Support Warning
WebGPU is currently only supported on Chrome starting with version 113, and only on desktop. If they don't work on your configuration, you can check the WebGL2 examples
here.
use bevy::prelude::*;
fn main() {
App::new()
.add_plugins(DefaultPlugins)
.add_systems(Startup, setup)
.add_systems(Update, (update_speed, pause, volume))
.run();
}
fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
commands.spawn((
AudioBundle {
source: asset_server.load("sounds/Windless Slopes.ogg"),
..default()
},
MyMusic,
));
}
#[derive(Component)]
struct MyMusic;
fn update_speed(music_controller: Query<&AudioSink, With<MyMusic>>, time: Res<Time>) {
if let Ok(sink) = music_controller.get_single() {
sink.set_speed(((time.elapsed_seconds() / 5.0).sin() + 1.0).max(0.1));
}
}
fn pause(keyboard_input: Res<Input<KeyCode>>, music_controller: Query<&AudioSink, With<MyMusic>>) {
if keyboard_input.just_pressed(KeyCode::Space) {
if let Ok(sink) = music_controller.get_single() {
sink.toggle();
}
}
}
fn volume(keyboard_input: Res<Input<KeyCode>>, music_controller: Query<&AudioSink, With<MyMusic>>) {
if let Ok(sink) = music_controller.get_single() {
if keyboard_input.just_pressed(KeyCode::Plus) {
sink.set_volume(sink.volume() + 0.1);
} else if keyboard_input.just_pressed(KeyCode::Minus) {
sink.set_volume(sink.volume() - 0.1);
}
}
}