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fix: fanchor + default fanchor to 0 (breaking change)

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This commit is contained in:
Felix Roos 2024-01-10 00:08:49 +01:00
parent f785823e00
commit f99557cc05
2 changed files with 9 additions and 5 deletions
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12
packages/superdough/helpers.mjs
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@ -97,7 +97,7 @@ export const getADSRValues = (params, curve = 'linear', defaultValues) => {
return [Math.max(a ?? 0, envmin), Math.max(d ?? 0, envmin), Math.min(sustain, envmax), Math.max(r ?? 0, releaseMin)];
};
export function createFilter(context, type, frequency, Q, att, dec, sus, rel, fenv, start, end, fanchor = 0.5) {
export function createFilter(context, type, frequency, Q, att, dec, sus, rel, fenv, start, end, fanchor) {
const curve = 'exponential';
const [attack, decay, sustain, release] = getADSRValues([att, dec, sus, rel], curve, [0.005, 0.14, 0, 0.1]);
const filter = context.createBiquadFilter();
@ -105,12 +105,16 @@ export function createFilter(context, type, frequency, Q, att, dec, sus, rel, fe
filter.type = type;
filter.Q.value = Q;
filter.frequency.value = frequency;
// envelope is active when any of these values is set
const hasEnvelope = att ?? dec ?? sus ?? rel ?? fenv;
// Apply ADSR to filter frequency
if (!isNaN(fenv) && fenv !== 0) {
if (hasEnvelope !== undefined) {
fenv = nanFallback(fenv, 1, true);
fanchor = nanFallback(fanchor, 0, true);
const offset = fenv * fanchor;
const min = clamp(2 ** -offset * frequency, 0, 20000);
const max = clamp(2 ** (fenv - offset) * frequency, 0, 20000);
getParamADSR(filter.frequency, attack, decay, sustain, release, frequency, max, start, end, curve);
getParamADSR(filter.frequency, attack, decay, sustain, release, min, max, start, end, curve);
return filter;
}
return filter;

2
packages/superdough/superdough.mjs
View File

@ -276,7 +276,7 @@ export const superdough = async (value, deadline, hapDuration) => {
density = 0.03,
// filters
ftype = '12db',
fanchor = 0.5,
fanchor = 0,
// low pass
cutoff,
lpenv,