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Merge branch 'main' into glossing/hook-up-octave

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Aria 2025-11-25 20:02:43 +01:00
commit ae47d767ce
6 changed files with 515 additions and 17 deletions
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35
packages/superdough/helpers.mjs
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@ -191,8 +191,7 @@ export function applyParameterModulators(audioContext, param, start, end, envelo
const lfo = getParamLfo(audioContext, param, start, end, lfoValues);
return { lfo, disconnect: () => lfo?.disconnect() };
}
export function createFilter(context, start, end, params, cps) {
export function createFilter(context, start, end, params, cps, cycle) {
let {
frequency,
anchor,
@ -202,12 +201,14 @@ export function createFilter(context, start, end, params, cps) {
q = 1,
drive = 0.69,
depth,
depthfrequency,
dcoffset = -0.5,
skew,
shape,
rate,
sync,
} = params;
let frequencyParam, filter;
if (model === 'ladder') {
filter = getWorklet(context, 'ladder-processor', { frequency, q, drive });
@ -238,8 +239,25 @@ export function createFilter(context, start, end, params, cps) {
if (sync != null) {
rate = cps * sync;
}
const lfoValues = { depth, dcoffset, skew, shape, frequency: rate };
getParamLfo(context, frequencyParam, start, end, lfoValues);
const hasLFO = [depth, depthfrequency, skew, shape, rate].some((v) => v !== undefined);
if (hasLFO) {
depth = depth ?? 1;
const time = cycle / cps;
const modDepth = depthfrequency ?? (depth ?? 1) * frequency;
const lfoValues = {
depth: modDepth,
dcoffset,
skew,
shape,
frequency: rate ?? cps,
min: -frequency + 30,
max: 20000 - frequency,
time,
curve: 1,
};
getParamLfo(context, frequencyParam, start, end, lfoValues);
}
return filter;
}
@ -362,9 +380,9 @@ const mod = (freq, range = 1, type = 'sine') => {
}
osc.start();
const g = new GainNode(ctx, { gain: range });
const g = gainNode(range);
osc.connect(g); // -range, range
return { node: g, stop: (t) => osc.stop(t) };
return { node: g, stop: (t) => osc.stop(t), osc: osc };
};
const fm = (frequencyparam, harmonicityRatio, modulationIndex, wave = 'sine') => {
const carrfreq = frequencyparam.value;
@ -416,6 +434,11 @@ export function applyFM(param, value, begin) {
modulator.connect(envGain);
envGain.connect(param);
}
fmmod.osc.onended = () => {
envGain.disconnect();
modulator.disconnect();
fmmod.osc.disconnect();
};
}
return { stop };
}