bevy_synthizer/examples/buffer.rs

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use std::f32;
use bevy::{asset::LoadState, prelude::*};
use bevy_synthizer::*;
#[derive(Component, Deref, DerefMut)]
struct RotationTimer(Timer);
impl Default for RotationTimer {
fn default() -> Self {
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Self(Timer::from_seconds(30., TimerMode::Repeating))
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}
}
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#[derive(Resource, Default)]
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struct AssetHandles {
sounds: Vec<HandleUntyped>,
loaded: bool,
}
fn setup(asset_server: Res<AssetServer>, mut handles: ResMut<AssetHandles>) {
handles.sounds = asset_server.load_folder(".").expect("Failed to load sfx");
}
fn load_and_create(
mut commands: Commands,
asset_server: Res<AssetServer>,
mut handles: ResMut<AssetHandles>,
) {
if handles.loaded {
return;
}
handles.loaded = asset_server
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.get_group_load_state(handles.sounds.iter().map(|handle| handle.id()))
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== LoadState::Loaded;
if handles.loaded {
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commands.spawn((
TransformBundle::default(),
Listener,
RotationTimer::default(),
));
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let handle = handles.sounds[0].clone();
let buffer = asset_server.get_handle(handle);
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commands.spawn((
TransformBundle::from(Transform::from_translation(Vec3::new(10., 0., 0.))),
Source::default(),
Sound {
audio: buffer.into(),
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looping: true,
..default()
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},
));
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}
}
fn rotate_listener(time: Res<Time>, mut query: Query<(&mut RotationTimer, &mut Transform)>) {
for (mut timer, mut transform) in query.iter_mut() {
timer.tick(time.delta());
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let angle = f32::consts::PI * 2. * timer.percent();
transform.rotation = Quat::from_rotation_z(angle);
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}
}
fn main() {
App::new()
.add_plugins(DefaultPlugins)
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.add_plugin(SynthizerPlugin {
default_panner_strategy: Some(bevy_synthizer::syz::PannerStrategy::Hrtf),
default_distance_model: Some(bevy_synthizer::syz::DistanceModel::Inverse),
..default()
})
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.add_system(bevy::window::close_on_esc)
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.init_resource::<AssetHandles>()
.add_startup_system(setup)
.add_system(load_and_create)
.add_system(rotate_listener)
.run();
}