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This commit is contained in:
Jade (Rose) Rowland 2025-07-24 23:50:27 -04:00
parent ab12c6ae0a
commit fb7d76a2ab
5 changed files with 97 additions and 5 deletions
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17
packages/superdough/helpers.mjs
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@ -1,5 +1,8 @@
import { getAudioContext } from './superdough.mjs';
import { clamp, nanFallback } from './util.mjs';
import { getNoiseBuffer } from './noise.mjs';
export const noises = ['pink', 'white', 'brown', 'crackle'];
export function gainNode(value) {
const node = getAudioContext().createGain();
@ -216,9 +219,17 @@ export function webAudioTimeout(audioContext, onComplete, startTime, stopTime) {
}
const mod = (freq, range = 1, type = 'sine') => {
const ctx = getAudioContext();
const osc = ctx.createOscillator();
osc.type = type;
osc.frequency.value = freq;
let osc;
if (noises.includes(type)) {
osc = ctx.createBufferSource();
osc.buffer = getNoiseBuffer(type, 2);
osc.loop = true;
} else {
osc = ctx.createOscillator();
osc.type = type;
osc.frequency.value = freq;
}
osc.start();
const g = new GainNode(ctx, { gain: range });
osc.connect(g); // -range, range