1 files changed, 15 insertions, 0 deletions
diff --git a/src/synth/sine.rs b/src/synth/sine.rs
index 90f3200..918261c 100644
--- a/src/synth/sine.rs
+++ b/src/synth/sine.rs
@@ -22,7 +22,22 @@ impl Generator for Sine {
         self.phase = (self.phase + pvel * (self.buf.len() as f32)) % TAU;
         &self.buf
     }
+    fn buffer<'a>(&'a self) -> &'a SampleBuffer { &self.buf }
     fn set_buffer(&mut self, buf: SampleBuffer) -> SampleBuffer {
         mem::replace(&mut self.buf, buf)
     }
 }
+
+pub struct SineFactory;
+
+impl GeneratorFactory for SineFactory {
+    fn new(&self, params: &mut FactoryParameters) -> Result<GenBox, GenFactoryError> {
+        Ok(Box::new(Sine {
+            freq: params.remove_param("freq", 0)?.as_gen()?,
+            phase: params.get_param("phase", 1, &ParamValue::Float(0.0)).as_f32()?,
+            buf: SampleBuffer::new(params.env.default_buffer_size),
+        }))
+    }
+}
+
+pub static Factory: SineFactory = SineFactory;