47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
// @ts-ignore
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export const audio = new (window.AudioContext || window.webkitAudioContext)();
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export const music = audio.createGain(audio);
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music.gain.setValueAtTime(0.4, audio.currentTime);
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music.connect(audio.destination);
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export const sfx = audio.createGain(audio);
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sfx.gain.setValueAtTime(0.05, audio.currentTime);
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sfx.connect(audio.destination);
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export async function createAudioLoop(src) {
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const file = await fetch(src);
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const buffer = await file.arrayBuffer();
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const source = audio.createBufferSource();
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audio.decodeAudioData(buffer, (buffer) => {
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source.buffer = buffer;
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source.connect(music);
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source.loop = true;
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source.start(0);
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})
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}
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export function createOsc() {
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const osc = audio.createOscillator();
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osc.type = 'triangle';
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osc.connect(sfx);
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return osc;
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}
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export function playTickSound() {
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const osc = createOsc();
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osc.frequency.setValueAtTime(440, audio.currentTime);
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osc.frequency.setValueAtTime(0, audio.currentTime + 0.005);
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osc.start();
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osc.stop(audio.currentTime + 0.005);
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}
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function clickInit() {
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const osc = createOsc();
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osc.start();
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osc.stop();
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document.removeEventListener('keydown', clickInit);
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}
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document.addEventListener('keydown', clickInit);
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