CalvinBackup/binaural-beats-generator
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Update popup.js

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pliny
2023-08-12 17:56:19 -07:00
committed by GitHub
parent 8ba873fd22
commit 631983ac8b
1 changed files with 19 additions and 30 deletions
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49
popup.js
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@@ -2,7 +2,8 @@ let audioContext = new (window.AudioContext || window.webkitAudioContext)();
let oscillatorLeft, oscillatorRight, gainNode;
let isPlaying = false;
function startBinauralBeats() {
// Initialize the audio components once
function initAudio() {
oscillatorLeft = audioContext.createOscillator();
oscillatorRight = audioContext.createOscillator();
gainNode = audioContext.createGain();
@@ -10,23 +11,21 @@ function startBinauralBeats() {
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 togglePlayPause() {
if (isPlaying) {
gainNode.disconnect(audioContext.destination);
isPlaying = false;
} else {
gainNode.connect(audioContext.destination);
isPlaying = true;
}
}
function updateFrequencies() {
@@ -51,40 +50,30 @@ function randomizeValues() {
document.getElementById('frequencyDisplay').textContent = `Frequency: ${randomFrequency} Hz`;
document.getElementById('deltaDisplay').textContent = `Delta: ${randomDelta} Hz`;
if (isPlaying) {
updateFrequencies();
}
updateFrequencies();
}
// Initialize audio components when the popup is loaded
initAudio();
document.getElementById('togglePlayPause').addEventListener('click', function() {
if (isPlaying) {
stopBinauralBeats();
this.textContent = 'Play';
} else {
startBinauralBeats();
this.textContent = 'Pause';
}
togglePlayPause();
this.textContent = isPlaying ? 'Pause' : 'Play';
});
document.getElementById('frequencySlider').addEventListener('input', function() {
document.getElementById('frequencyDisplay').textContent = `Frequency: ${this.value} Hz`;
if (isPlaying) {
updateFrequencies();
}
updateFrequencies();
});
document.getElementById('deltaSlider').addEventListener('input', function() {
document.getElementById('deltaDisplay').textContent = `Delta: ${this.value} Hz`;
if (isPlaying) {
updateFrequencies();
}
updateFrequencies();
});
document.getElementById('volumeSlider').addEventListener('input', function() {
document.getElementById('volumeDisplay').textContent = `Volume: ${Math.round(this.value * 100)}%`;
if (isPlaying) {
updateVolume();
}
updateVolume();
});
document.getElementById('randomize').addEventListener('click', randomizeValues);