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fileter envelopes

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This commit is contained in:
Jade Rowland 2023-12-15 12:16:28 -07:00
parent 7da7554493
commit 9663c2ec85
4 changed files with 34 additions and 36 deletions
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19
packages/superdough/helpers.mjs
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@ -88,21 +88,16 @@ export function getCompressor(ac, threshold, ratio, knee, attack, release) {
};
return new DynamicsCompressorNode(ac, options);
}
const adsrmin = 0.001;
export const getADSRDefaults = (
a,
d,
s,
r,
def = { attack: adsrmin, decay: adsrmin, sustain: 1, release: adsrmin },
) => {
const envmin = 0.001;
export const getADSRValues = (params, defaultValues = [envmin, envmin, 1, envmin]) => {
const [a, d, s, r] = params;
const [defA, defD, defS, defR] = defaultValues;
console.log(a, d, s, r);
if (a == null && d == null && s == null && r == null) {
return def;
return defaultValues;
}
const sustain = s ?? ((a != null && d == null) || (a == null && d == null)) ? def.sustain : adsrmin;
return { attack: a ?? adsrmin, decay: d ?? adsrmin, sustain, release: r ?? adsrmin };
const sustain = s != null ? s : (a != null && d == null) || (a == null && d == null) ? defS : envmin;
return [a ?? envmin, d ?? envmin, sustain, r ?? envmin];
};
export function createFilter(