Update popup.js

2026-07-13 14:27:21 +02:00 · 2023-08-12 18:11:33 -07:00
parent cd2eb23e47
commit 404fbe8701
1 changed files with 83 additions and 15 deletions
@@ -1,22 +1,90 @@
-let audioContext = new AudioContext();
-let oscillator = audioContext.createOscillator();
+let audioContext = new (window.AudioContext || window.webkitAudioContext)();
+let oscillatorLeft, oscillatorRight, gainNode;
+let isPlaying = false;

-oscillator.connect(audioContext.destination);
-oscillator.frequency.setValueAtTime(440, audioContext.currentTime);
+function startBinauralBeats() {
+    oscillatorLeft = audioContext.createOscillator();
+    oscillatorRight = audioContext.createOscillator();
+    gainNode = audioContext.createGain();

-document.getElementById('togglePlayPause').addEventListener('click', async function() {
-    if (audioContext.state === 'suspended') {
-        await audioContext.resume();
+    oscillatorLeft.type = 'sine';
+    oscillatorRight.type = 'sine';
+
+    updateFrequencies();
+    updateVolume();
+
+    oscillatorLeft.connect(gainNode);
+    oscillatorRight.connect(gainNode);
+    gainNode.connect(audioContext.destination);
+
+    oscillatorLeft.start();
+    oscillatorRight.start();
+
+    isPlaying = true;
+}
+
+function stopBinauralBeats() {
+    oscillatorLeft.stop();
+    oscillatorRight.stop();
+    isPlaying = false;
+}
+
+function updateFrequencies() {
+    let frequency = parseFloat(document.getElementById('frequencySlider').value);
+    let delta = parseFloat(document.getElementById('deltaSlider').value);
+    oscillatorLeft.frequency.setValueAtTime(frequency, audioContext.currentTime);
+    oscillatorRight.frequency.setValueAtTime(frequency + delta, audioContext.currentTime);
+}
+
+function updateVolume() {
+    let volume = parseFloat(document.getElementById('volumeSlider').value);
+    gainNode.gain.setValueAtTime(volume, audioContext.currentTime);
+}
+
+function randomizeValues() {
+    let randomFrequency = Math.floor(Math.random() * 100) + 1;
+    let randomDelta = Math.floor(Math.random() * 30) + 1;
+
+    document.getElementById('frequencySlider').value = randomFrequency;
+    document.getElementById('deltaSlider').value = randomDelta;
+
+    document.getElementById('frequencyDisplay').textContent = `Frequency: ${randomFrequency} Hz`;
+    document.getElementById('deltaDisplay').textContent = `Delta: ${randomDelta} Hz`;
+
+    if (isPlaying) {
+        updateFrequencies();
    }
+}

-    if (this.textContent === 'Play') {
-        oscillator.start();
-        this.textContent = 'Pause';
-    } else {
-        oscillator.stop();
-        oscillator = audioContext.createOscillator();
-        oscillator.connect(audioContext.destination);
-        oscillator.frequency.setValueAtTime(440, audioContext.currentTime);
+document.getElementById('togglePlayPause').addEventListener('click', function() {
+    if (isPlaying) {
+        stopBinauralBeats();
        this.textContent = 'Play';
+    } else {
+        startBinauralBeats();
+        this.textContent = 'Pause';
    }
 });
+
+document.getElementById('frequencySlider').addEventListener('input', function() {
+    document.getElementById('frequencyDisplay').textContent = `Frequency: ${this.value} Hz`;
+    if (isPlaying) {
+        updateFrequencies();
+    }
+});
+
+document.getElementById('deltaSlider').addEventListener('input', function() {
+    document.getElementById('deltaDisplay').textContent = `Delta: ${this.value} Hz`;
+    if (isPlaying) {
+        updateFrequencies();
+    }
+});
+
+document.getElementById('volumeSlider').addEventListener('input', function() {
+    document.getElementById('volumeDisplay').textContent = `Volume: ${Math.round(this.value * 100)}%`;
+    if (isPlaying) {
+        updateVolume();
+    }
+});
+
+document.getElementById('randomize').addEventListener('click', randomizeValues);