From d82f99fd89e23fdb62598b616e39537360a10f74 Mon Sep 17 00:00:00 2001
From: julian laplace <julescarbon@gmail.com>
Date: Sat, 5 Jul 2025 14:14:08 +0200
Subject: better toggling

---
 client/index.js     | 32 ++++++++++++++++++++++----------
 client/lib/organ.js | 13 ++++++++++---
 client/lib/util.js  |  5 ++++-
 3 files changed, 36 insertions(+), 14 deletions(-)

(limited to 'client')

diff --git a/client/index.js b/client/index.js
index e8477ec..d4e805b 100644
--- a/client/index.js
+++ b/client/index.js
@@ -5,7 +5,7 @@ import color from "./lib/color";
 import kalimba from "./lib/kalimba";
 import organ from "./lib/organ";
 import { getOutput } from "./lib/output";
-import { browser, requestAudioContext, choice } from "./lib/util";
+import { browser, requestAudioContext, choice, roundFreq } from "./lib/util";
 import { PRIMES } from "./lib/primes";
 // import life from "./lib/life";
 
@@ -53,8 +53,7 @@ function rebuild() {
   build();
 }
 function play(freq) {
-  if (!freq.playing) {
-    freq.playing = true;
+  if (!organ.isPlaying(freq.frequency)) {
     let frequency = freq.frequency;
     // while (frequency < root) {
     //   frequency *= 2;
@@ -62,22 +61,30 @@ function play(freq) {
     // while (frequency > root) {
     //   frequency /= 2;
     // }
+    const rounded = roundFreq(freq.frequency);
     organ.play(frequency);
-    freq.div.classList.add("playing");
+    notes.forEach((row) =>
+      row.forEach(
+        (note) => note.rounded === rounded && note.div.classList.add("playing"),
+      ),
+    );
   }
 }
 function trigger(freq) {
   kalimba.play(freq.frequency);
 }
 function pause(freq) {
-  if (freq.playing) {
-    freq.playing = false;
-    organ.pause(freq.frequency);
-    freq.div.classList.remove("playing");
-  }
+  organ.pause(freq.frequency);
+  const rounded = roundFreq(freq.frequency);
+  notes.forEach((row) =>
+    row.forEach(
+      (note) =>
+        note.rounded === rounded && note.div.classList.remove("playing"),
+    ),
+  );
 }
 function toggle(freq) {
-  if (freq.playing) {
+  if (organ.isPlaying(freq.rounded) || freq.div.classList.contains("playing")) {
     pause(freq);
   } else {
     play(freq);
@@ -101,6 +108,7 @@ function add(i, j) {
 
   const freq = {
     frequency,
+    rounded: roundFreq(frequency),
     div,
     i,
     j,
@@ -142,6 +150,10 @@ function add(i, j) {
       } else {
         div.style.backgroundColor = color(frac, add + add_off, mul_off);
       }
+
+      if (organ.isPlaying(frequency)) {
+        div.classList.add("playing");
+      }
     },
   };
 
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 };
diff --git a/client/lib/util.js b/client/lib/util.js
index b1ce162..7fad313 100644
--- a/client/lib/util.js
+++ b/client/lib/util.js
@@ -18,6 +18,9 @@ function choice(a) {
 function mod(n, m) {
   return n - m * Math.floor(n / m);
 }
+function roundFreq(freq) {
+  return Math.round(freq * 100);
+}
 
 function requestAudioContext(fn) {
   if (window.location.protocol !== "https:") {
@@ -62,4 +65,4 @@ function requestAudioContext(fn) {
   }
 }
 
-export { choice, mod, browser, requestAudioContext };
+export { choice, mod, browser, roundFreq, requestAudioContext };
-- 
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