Vendor dependencies for 0.3.0 release

vendor/bevy_audio/src/pitch.rs

@@ -0,0 +1,35 @@
+use crate::Decodable;
+use bevy_asset::Asset;
+use bevy_reflect::TypePath;
+use rodio::{
+    source::{SineWave, TakeDuration},
+    Source,
+};
+
+/// A source of sine wave sound
+#[derive(Asset, Debug, Clone, TypePath)]
+pub struct Pitch {
+    /// Frequency at which sound will be played
+    pub frequency: f32,
+    /// Duration for which sound will be played
+    pub duration: core::time::Duration,
+}
+
+impl Pitch {
+    /// Creates a new note
+    pub fn new(frequency: f32, duration: core::time::Duration) -> Self {
+        Pitch {
+            frequency,
+            duration,
+        }
+    }
+}
+
+impl Decodable for Pitch {
+    type DecoderItem = <SineWave as Iterator>::Item;
+    type Decoder = TakeDuration<SineWave>;
+
+    fn decoder(&self) -> Self::Decoder {
+        SineWave::new(self.frequency).take_duration(self.duration)
+    }
+}