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fix last crack?

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This commit is contained in:
Felix Roos 2023-09-08 02:53:08 +02:00
parent 606dcc8cc3
commit 48753b2539
1 changed files with 10 additions and 16 deletions
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26
packages/superdough/helpers.mjs
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@ -68,10 +68,12 @@ export const getADSR = (attack, decay, sustain, release, velocity, begin, end) =
export const getParamADSR = (param, attack, decay, sustain, release, min, max, begin, end) => {
const range = max - min;
const peak = min + range;
const sustainLevel = min + sustain * range;
param.setValueAtTime(min, begin);
param.linearRampToValueAtTime(min + range, begin + attack);
param.linearRampToValueAtTime(min + sustain * range, begin + attack + decay);
param.setValueAtTime(min + sustain * range, end);
param.linearRampToValueAtTime(peak, begin + attack);
param.linearRampToValueAtTime(sustainLevel, begin + attack + decay);
param.setValueAtTime(sustainLevel, end);
param.linearRampToValueAtTime(min, end + release);
};
@ -79,23 +81,15 @@ export function createFilter(context, type, frequency, Q, attack, decay, sustain
const filter = context.createBiquadFilter();
filter.type = type;
filter.Q.value = Q;
frequency = Math.max(frequency, 20);
filter.frequency.value = frequency;
// Apply ADSR to filter frequency
if (fenv > 0) {
const envelope = getParamADSR(
filter.frequency,
attack,
decay,
sustain,
release,
frequency,
Math.min(frequency + 200 * 2 ** fenv, 20000),
start,
end + release,
);
const min = frequency;
const max = Math.min(frequency + 200 * 2 ** fenv, 20000);
getParamADSR(filter.frequency, attack, decay, sustain, release, min, max, start, end);
return filter;
} else {
filter.frequency.value = frequency;
}
return filter;