discard data during pause

src/main.rs

@@ -316,12 +316,13 @@ async fn main() {
         // keep track of the delta time since last plot
         plot_delta_time += frame_delta_time;
 
-        if !pause {
         match rx.try_recv() {
             Ok(x) => {
+                if !pause {
                     graph.place_next(plot_delta_time, 0., x as f32);
                     plot_delta_time = 0.;
                 }
+            }
             Err(x) => match x {
                 mpsc::TryRecvError::Empty => {}
                 mpsc::TryRecvError::Disconnected => {
@@ -330,7 +331,6 @@ async fn main() {
                 }
             },
         }
-        }
 
         graph.draw();