wehub-resource-sync
100 lines
3.0 KiB
Rust
100 lines
3.0 KiB
Rust
// Copyright (c) 2019-present Dmitry Stepanov and Fyrox Engine contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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use fyrox_sound::buffer::SoundBufferResourceExtension;
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use fyrox_sound::{
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buffer::{DataSource, RawStreamingDataSource, SoundBufferResource},
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context::SoundContext,
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engine::SoundEngine,
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source::{SoundSourceBuilder, Status},
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};
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use std::{thread, time::Duration};
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#[derive(Debug)]
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struct SamplesGenerator {
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sample_rate: usize,
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frequency: f32,
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amplitude: f32,
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index: usize,
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}
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impl SamplesGenerator {
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pub fn new() -> Self {
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Self {
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sample_rate: 44100,
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frequency: 440.0,
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amplitude: 0.75,
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index: 0,
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}
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}
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}
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impl Iterator for SamplesGenerator {
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type Item = f32;
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fn next(&mut self) -> Option<Self::Item> {
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let sample = self.amplitude
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* ((2.0 * std::f32::consts::PI * self.index as f32 * self.frequency)
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/ self.sample_rate as f32)
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.sin();
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self.index += 1;
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Some(sample)
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}
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}
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impl RawStreamingDataSource for SamplesGenerator {
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fn sample_rate(&self) -> usize {
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self.sample_rate
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}
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fn channel_count(&self) -> usize {
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1
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}
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}
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fn main() {
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// Initialize sound engine with default output device.
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let engine = SoundEngine::new(SoundEngine::DEFAULT_SAMPLE_RATE).unwrap();
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// Initialize new sound context.
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let context = SoundContext::new();
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engine.state().add_context(context.clone());
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// Create sine wave generator
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let sine_wave = DataSource::RawStreaming(Box::new(SamplesGenerator::new()));
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let sine_wave_buffer = SoundBufferResource::new_streaming(sine_wave).unwrap();
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// Create generic source (without spatial effects) using that buffer.
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let source = SoundSourceBuilder::new()
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.with_buffer(sine_wave_buffer)
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.with_status(Status::Playing)
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.build()
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.unwrap();
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context.state().add_source(source);
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// Play sound for some time.
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thread::sleep(Duration::from_secs(10));
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}
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