1 files changed, 19 insertions, 3 deletions
diff --git a/src/main.rs b/src/main.rs
index 711463b..05538e9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,17 +10,33 @@ fn main() {
     let mut params = Parameters::default();
     
     let mut freq: GenBox = Box::new(Param { name: "freq".to_string(), default: 440.0, buf: SampleBuffer::new(1) });
-    let mut sg: GenBox = Box::new(Sine { freq: freq, phase: 0.0, buf: SampleBuffer::new(params.env.default_buffer_size) });
+    let mut sg: GenBox = Box::new(Saw { freq: freq, phase: 0.0, buf: SampleBuffer::new(params.env.default_buffer_size) });
+
+    let mut freq2: GenBox = Box::new(Param { name: "freq2".to_string(), default: 660.0, buf: SampleBuffer::new(1) });
+    let mut sg2: GenBox = Box::new(Sine { freq: freq2, phase: 0.0, buf: SampleBuffer::new(params.env.default_buffer_size) });
+
+    let mut half1: GenBox = Box::new(Param { name: "half".to_string(), default: 1.0, buf: SampleBuffer::new(1) });
+    let mut half2: GenBox = Box::new(Param { name: "half".to_string(), default: 0.0, buf: SampleBuffer::new(1) });
+    let mut sc1: GenBox = Box::new(Mul { factors: vec![sg, half1], buf: SampleBuffer::new(params.env.default_buffer_size) });
+    let mut sc2: GenBox = Box::new(Mul { factors: vec![sg2, half2], buf: SampleBuffer::new(params.env.default_buffer_size) });
+    let mut gen: GenBox = Box::new(Add { terms: vec![sc1, sc2], buf: SampleBuffer::new(params.env.default_buffer_size) });
 
     let mut counter = 0;
     let mut out = io::stdout();
+    let mut outbuf: Vec<u8> = Vec::new();
     
     params.vars.insert("freq".to_string(), 440.0);
+    params.vars.insert("freq2".to_string(), 660.0);
 
     while counter < FRAMES {
         *params.vars.get_mut("freq").unwrap() = 440.0 + 440.0 * ((counter as f32) / (FRAMES as f32));
-        let buf = sg.eval(&params);
-        out.write_all(buf.bytes());
+        *params.vars.get_mut("freq2").unwrap() = 660.0 + 220.0 * ((counter as f32) / (FRAMES as f32));
+        let buf = gen.eval(&params);
+        let curlen = outbuf.len();
+        outbuf.reserve_exact(buf.size() - curlen);
+        unsafe { outbuf.set_len(buf.size()); }
+        buf.bytes(&mut outbuf);
+        out.write_all(&outbuf);
         counter += buf.len();
     }
 }