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This commit is contained in:
Jade (Rose) Rowland 2025-05-06 01:06:37 -04:00
parent 8d02d4270a
commit 38908baccd
3 changed files with 73 additions and 15 deletions
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25
packages/superdough/synth.mjs
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@ -1,5 +1,5 @@
import { clamp, midiToFreq, noteToMidi } from './util.mjs';
import { registerSound, getAudioContext } from './superdough.mjs';
import { registerSound, getAudioContext, getLfo } from './superdough.mjs';
import {
applyFM,
gainNode,
@ -145,7 +145,20 @@ export function registerSynthSounds() {
'pulse',
(begin, value, onended) => {
const ac = getAudioContext();
let { duration, n: pulsewidth = 0.5 } = value;
let { pwrate, pwsweep } = value;
if (pwsweep == null) {
if (pwrate != null) {
pwsweep = 0.3
} else {
pwsweep = 0
}
}
if (pwrate == null && pwsweep != null) {
pwrate = 1
}
let { duration, pw: pulsewidth = value.n ?? 0.5, } = value;
const frequency = getFrequencyFromValue(value);
const [attack, decay, sustain, release] = getADSRValues(
@ -153,10 +166,8 @@ export function registerSynthSounds() {
'linear',
[0.001, 0.05, 0.6, 0.01],
);
const holdend = begin + duration;
const end = holdend + release + 0.01;
let o = getWorklet(
ac,
'pulse-oscillator',
@ -179,10 +190,16 @@ export function registerSynthSounds() {
getParamADSR(envGain.gain, attack, decay, sustain, release, 0, 1, begin, holdend, 'linear');
if (pwsweep != 0) {
let lfo = getLfo(ac, begin, end, { frequency: pwrate, depth: pwsweep, })
lfo.connect(o.parameters.get('pulsewidth'))
}
let timeoutNode = webAudioTimeout(
ac,
() => {
destroyAudioWorkletNode(o);
destroyAudioWorkletNode(lfo);
envGain.disconnect();
onended();
fm?.stop();