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webtimeout

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This commit is contained in:
Jade (Rose) Rowland 2025-08-01 23:29:50 -04:00
parent 51f0bab1f8
commit c2b8cc4b82
2 changed files with 16 additions and 9 deletions
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3
packages/superdough/helpers.mjs
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@ -206,7 +206,8 @@ export function getVibratoOscillator(param, value, t) {
// ConstantSource inherits AudioScheduledSourceNode, which has scheduling abilities
// a bit of a hack, but it works very well :)
export function webAudioTimeout(audioContext, onComplete, startTime, stopTime) {
const constantNode = audioContext.createConstantSource();
const constantNode = new ConstantSourceNode(audioContext);
constantNode.start(startTime);
constantNode.stop(stopTime);
constantNode.onended = () => {

22
packages/superdough/superdough.mjs
View file

@ -9,7 +9,7 @@ import './reverb.mjs';
import './vowel.mjs';
import { clamp, nanFallback, _mod, cycleToSeconds, secondsToCycle } from './util.mjs';
import workletsUrl from './worklets.mjs?audioworklet';
import { createFilter, gainNode, getCompressor, getWorklet } from './helpers.mjs';
import { createFilter, gainNode, getCompressor, getWorklet, webAudioTimeout } from './helpers.mjs';
import { map } from 'nanostores';
import { logger, errorLogger } from './logger.mjs';
import { loadBuffer } from './sampler.mjs';
@ -419,7 +419,7 @@ function setOrbit(audioContext, orbit, channels) {
connectToDestination(orbits[orbit].gain, channels);
}
}
function duckOrbit(targetOrbit, t, attacktime = 0.1, duckdepth = 1) {
function duckOrbit(audioContext, targetOrbit, t, attacktime = 0.1, duckdepth = 1) {
const targetArr = [targetOrbit].flat();
targetArr.forEach((target) => {
@ -427,11 +427,17 @@ function duckOrbit(targetOrbit, t, attacktime = 0.1, duckdepth = 1) {
errorLogger(new Error(`duck target orbit ${target} does not exist`), 'superdough');
return;
}
orbits[target].gain.gain.cancelAndHoldAtTime(t);
const currVal = orbits[target].gain.gain.value;
orbits[target].gain.gain.setValueAtTime(currVal, t);
orbits[target].gain.gain.linearRampToValueAtTime(clamp(1 - Math.pow(duckdepth, 0.5), 0.01, currVal), t + 0.002);
orbits[target].gain.gain.exponentialRampToValueAtTime(1, t + Math.max(0.002, attacktime));
webAudioTimeout(
audioContext,
() => {
orbits[target].gain.gain.cancelScheduledValues(t);
const currVal = orbits[target].gain.gain.value;
orbits[target].gain.gain.linearRampToValueAtTime(clamp(1 - Math.pow(duckdepth, 0.5), 0.01, currVal), t + 0.002);
orbits[target].gain.gain.exponentialRampToValueAtTime(1, t + Math.max(0.002, attacktime));
},
0,
t,
);
});
}
@ -634,7 +640,7 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
setOrbit(ac, orbit, channels, t, cycle, cps);
if (duckorbit != null) {
duckOrbit(duckorbit, t, duckattack, duckdepth);
duckOrbit(ac, duckorbit, t, duckattack, duckdepth);
}
gain = applyGainCurve(nanFallback(gain, 1));