1 files changed, 10 insertions, 3 deletions
diff --git a/client/lib/organ.js b/client/lib/organ.js
index f67a3e8..9d0ac90 100644
--- a/client/lib/organ.js
+++ b/client/lib/organ.js
@@ -1,4 +1,5 @@
 import Tone from "tone";
+import { roundFreq } from "./util";
 
 const oscillators = {};
 
@@ -8,11 +9,17 @@ let lastPlayed;
 function load(out) {
   output = out;
 }
+
+function isPlaying(freq) {
+  const rounded = roundFreq(freq);
+  const osc = oscillators[rounded];
+  return osc && osc.playing;
+}
 function play(freq) {
   if (!output) {
     return;
   }
-  const rounded = Math.floor(freq);
+  const rounded = roundFreq(freq);
   const osc = (oscillators[rounded] = oscillators[rounded] || {});
   if (!osc.el) {
     osc.el = new Tone.Oscillator(freq, "sine");
@@ -25,7 +32,7 @@ function play(freq) {
 }
 
 function pause(freq) {
-  const rounded = Math.floor(freq);
+  const rounded = roundFreq(freq);
   if (!oscillators[rounded]) return;
   const osc = (oscillators[rounded] = oscillators[rounded] || {});
   if (osc.el) osc.el.stop();
@@ -33,4 +40,4 @@ function pause(freq) {
   return osc;
 }
 
-export default { load, play, pause, oscillators };
+export default { load, isPlaying, play, pause, oscillators };