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Document adsr function

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Alexandre G.-Raymond
2023-10-28 19:50:41 +02:00
parent 248757ac3f
commit 2633f4fcef
3 changed files with 24 additions and 0 deletions
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packages/core/controls.mjs
+11
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@@ -1296,6 +1296,17 @@ generic_params.forEach(([names, ...aliases]) => {
controls.createParams = (...names) =>
names.reduce((acc, name) => Object.assign(acc, { [name]: controls.createParam(name) }), {});
/**
* ADSR envelope: Combination of Attack, Decay, Sustain, and Release.
*
* @name adsr
* @param {number | Pattern} time attack time in seconds
* @param {number | Pattern} time decay time in seconds
* @param {number | Pattern} gain sustain level (0 to 1)
* @param {number | Pattern} time release time in seconds
* @example
* note("<c3 bb2 f3 eb3>").sound("sawtooth").lpf(600).adsr(".1:.1:.5:.2")
*/
controls.adsr = register('adsr', (adsr, pat) => {
adsr = !Array.isArray(adsr) ? [adsr] : adsr;
const [attack, decay, sustain, release] = adsr;