wip: refactor pt.9, 403 errors

crates/tek_api/src/voice.rs

@@ -1,30 +0,0 @@
-use crate::*;
-
-/// A currently playing instance of a sample.
-#[derive(Default, Debug, Clone)]
-pub struct Voice {
-    pub sample:   Arc<RwLock<Sample>>,
-    pub after:    usize,
-    pub position: usize,
-    pub velocity: f32,
-}
-
-impl Iterator for Voice {
-    type Item = [f32;2];
-    fn next (&mut self) -> Option<Self::Item> {
-        if self.after > 0 {
-            self.after = self.after - 1;
-            return Some([0.0, 0.0])
-        }
-        let sample = self.sample.read().unwrap();
-        if self.position < sample.end {
-            let position = self.position;
-            self.position = self.position + 1;
-            return sample.channels[0].get(position).map(|_amplitude|[
-                sample.channels[0][position] * self.velocity,
-                sample.channels[0][position] * self.velocity,
-            ])
-        }
-        None
-    }
-}