bevy_synthizer/examples/generator.rs

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use std::f32;
use bevy::prelude::*;
use bevy_synthizer::*;
#[derive(Component, Deref, DerefMut)]
struct RotationTimer(Timer);
impl Default for RotationTimer {
fn default() -> Self {
Self(Timer::from_seconds(30., TimerMode::Repeating))
}
}
fn setup(mut commands: Commands, context: Res<Context>) {
commands.spawn((
TransformBundle::default(),
Listener,
RotationTimer::default(),
));
let generator: syz::Generator = syz::FastSineBankGenerator::new_sine(&context, 440.)
.expect("Failed to create generator")
.into();
commands.spawn((
TransformBundle::from(Transform::from_translation(Vec3::new(10., 0., 0.))),
Source::default(),
Sound {
audio: generator.into(),
looping: true,
..default()
},
));
}
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.fraction();
transform.rotation = Quat::from_rotation_z(angle);
}
}
fn main() {
App::new()
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.add_plugins((
DefaultPlugins,
SynthizerPlugin {
default_panner_strategy: Some(bevy_synthizer::syz::PannerStrategy::Hrtf),
default_distance_model: Some(bevy_synthizer::syz::DistanceModel::Inverse),
..default()
},
))
.add_systems(Startup, setup)
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.add_systems(Update, rotate_listener)
.run();
}