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frequency mod

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This commit is contained in:
Jade (Rose) Rowland 2025-11-24 11:19:49 -05:00
parent 31c694b596
commit e86850b6d8
3 changed files with 49 additions and 5 deletions
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7
packages/superdough/helpers.mjs
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@ -201,12 +201,14 @@ export function createFilter(context, start, end, params, cps, cycle) {
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 });
@ -237,12 +239,13 @@ export function createFilter(context, start, end, params, cps, cycle) {
if (sync != null) {
rate = cps * sync;
}
const hasLFO = [depth, skew, shape, rate].some((v) => v !== undefined);
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: (depth ?? 1) * frequency,
depth: modDepth,
dcoffset,
skew,
shape,

7
packages/superdough/superdough.mjs
View file

@ -553,6 +553,7 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
rate: 'lprate',
sync: 'lpsync',
depth: 'lpdepth',
depthfrequency: 'lpdepthfrequency',
shape: 'lpshape',
dcoffset: 'lpdc',
skew: 'lpskew',
@ -581,13 +582,14 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
rate: 'hprate',
sync: 'hpsync',
depth: 'hpdepth',
depthfrequency: 'hpdepthfrequency',
shape: 'hpshape',
dcoffset: 'hpdc',
skew: 'hpskew',
};
const hpParams = pickAndRename(value, hpMap);
hpParams.type = 'highpass';
let hp = () => createFilter(ac, t, end, hpParams, cps);
let hp = () => createFilter(ac, t, end, hpParams, cps, cycle);
chain.push(hp());
if (ftype === '24db') {
chain.push(hp());
@ -609,13 +611,14 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
rate: 'bprate',
sync: 'bpsync',
depth: 'bpdepth',
depthfrequency: 'bpdepthfrequency',
shape: 'bpshape',
dcoffset: 'bpdc',
skew: 'bpskew',
};
const bpParams = pickAndRename(value, bpMap);
bpParams.type = 'bandpass';
let bp = () => createFilter(ac, t, end, bpParams, cps);
let bp = () => createFilter(ac, t, end, bpParams, cps, cycle);
chain.push(bp());
if (ftype === '24db') {
chain.push(bp());