feat: modularize sin wave generator

raust-engine/src/audio_player.rs

@@ -8,7 +8,7 @@
 pub struct AudioPlayer {
     stream: Stream,
 }
-use super::Generator;
+use crate::generators::GeneratorFn;
 use cpal::{
     Device, Error, ErrorKind, FromSample, I24, OutputCallbackInfo, Sample, SampleFormat, SizedSample, Stream, StreamConfig, SupportedStreamConfig, traits::{DeviceTrait, StreamTrait},
 };
@@ -27,7 +27,7 @@ impl AudioPlayer {
     /// Returns an error if:
     /// - the device reports a sample format `raust` does not support, or
     /// - CPAL fails to build the output stream.
-    pub fn try_new(device: &Device, config: SupportedStreamConfig, generator: Generator) -> anyhow::Result<Self> {
+    pub fn try_new(device: &Device, config: SupportedStreamConfig, generator: GeneratorFn) -> anyhow::Result<Self> {
         let stream = match config.sample_format() {
             SampleFormat::I8 => Self::create_stream::<i8>(device, config.into(), generator),
             SampleFormat::I16 => Self::create_stream::<i16>(device, config.into(), generator),
@@ -57,7 +57,7 @@ impl AudioPlayer {
     pub fn create_stream<T>(
         device: &Device,
         config: StreamConfig,
-        mut generator: Generator,
+        mut generator: GeneratorFn,
     ) -> Result<Stream, anyhow::Error>
     where
         T: SizedSample + FromSample<f32>,