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simplify

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This commit is contained in:
Felix Roos 2023-09-16 00:51:36 +02:00
parent 40de717cc9
commit 7f86eac8f1
1 changed files with 5 additions and 10 deletions
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15
packages/superdough/helpers.mjs
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@ -82,22 +82,17 @@ export function createFilter(context, type, frequency, Q, attack, decay, sustain
const filter = context.createBiquadFilter(); const filter = context.createBiquadFilter();
filter.type = type; filter.type = type;
filter.Q.value = Q; filter.Q.value = Q;
frequency = Math.max(frequency, 20);
filter.frequency.value = frequency; filter.frequency.value = frequency;
// Apply ADSR to filter frequency // Apply ADSR to filter frequency
if (fenv !== 0) { if (fenv !== 0) {
let anchor = 0.5; const anchor = 0.5;
let offset = fenv * anchor; const offset = fenv * anchor;
let min = 2 ** -offset;
let max = 2 ** (fenv - offset);
min *= frequency;
max *= frequency;
min = clamp(min, 0, 20000); const min = clamp(2 ** -offset * frequency, 0, 20000);
max = clamp(max, 0, 20000); const max = clamp(2 ** (fenv - offset) * frequency, 0, 20000);
console.log('min', min, 'max', max); // console.log('min', min, 'max', max);
getParamADSR(filter.frequency, attack, decay, sustain, release, min, max, start, end); getParamADSR(filter.frequency, attack, decay, sustain, release, min, max, start, end);
return filter; return filter;