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Disconnect lfos for phaser and filters

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This commit is contained in:
Aria
2025-11-25 17:27:37 -06:00
parent 743e239e52
commit d65b908bda
2 changed files with 27 additions and 13 deletions
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packages/superdough/helpers.mjs
+3 -2
View File
@@ -240,6 +240,7 @@ export function createFilter(context, start, end, params, cps, cycle) {
rate = cps * sync;
}
const hasLFO = [depth, depthfrequency, skew, shape, rate].some((v) => v !== undefined);
let lfo;
if (hasLFO) {
depth = depth ?? 1;
const time = cycle / cps;
@@ -255,10 +256,10 @@ export function createFilter(context, start, end, params, cps, cycle) {
time,
curve: 1,
};
getParamLfo(context, frequencyParam, start, end, lfoValues);
lfo = getParamLfo(context, frequencyParam, start, end, lfoValues);
}
return filter;
return { filter, lfo };
}
// stays 1 until .5, then fades out
packages/superdough/superdough.mjs
+24 -11
View File
@@ -287,7 +287,7 @@ export function connectToDestination(input, channels) {
function getPhaser(time, end, frequency = 1, depth = 0.5, centerFrequency = 1000, sweep = 2000) {
const ac = getAudioContext();
const lfoGain = getLfo(ac, time, end, { frequency, depth: sweep * 2 });
const lfo = getLfo(ac, time, end, { frequency, depth: sweep * 2 });
//filters
const numStages = 2; //num of filters in series
@@ -300,14 +300,14 @@ function getPhaser(time, end, frequency = 1, depth = 0.5, centerFrequency = 1000
filter.frequency.value = centerFrequency + fOffset;
filter.Q.value = 2 - Math.min(Math.max(depth * 2, 0), 1.9);
lfoGain.connect(filter.detune);
lfo.connect(filter.detune);
fOffset += 282;
if (i > 0) {
filterChain[i - 1].connect(filter);
}
filterChain.push(filter);
}
return filterChain[filterChain.length - 1];
return { filter: filterChain[filterChain.length - 1], lfo };
}
function getFilterType(ftype) {
@@ -561,9 +561,13 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
const lpParams = pickAndRename(value, lpMap);
lpParams.type = 'lowpass';
let lp = () => createFilter(ac, t, end, lpParams, cps, cycle);
chain.push(lp());
const { filter: lpf1, lfo: lfo1 } = lp();
chain.push(lpf1);
lfo1 && audioNodes.push(lfo1);
if (ftype === '24db') {
chain.push(lp());
const { filter: lpf2, lfo: lfo2 } = lp();
chain.push(lpf2);
lfo2 && audioNodes.push(lfo2);
}
}
@@ -590,9 +594,13 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
const hpParams = pickAndRename(value, hpMap);
hpParams.type = 'highpass';
let hp = () => createFilter(ac, t, end, hpParams, cps, cycle);
chain.push(hp());
const { filter: hpf1, lfo: lfo1 } = hp();
chain.push(hpf1);
lfo1 && audioNodes.push(lfo1)
if (ftype === '24db') {
chain.push(hp());
const { filter: hpf2, lfo: lfo2 } = hp();
chain.push(hpf2);
lfo2 && audioNodes.push(lfo2)
}
}
@@ -619,9 +627,13 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
const bpParams = pickAndRename(value, bpMap);
bpParams.type = 'bandpass';
let bp = () => createFilter(ac, t, end, bpParams, cps, cycle);
chain.push(bp());
const { filter: bpf1, lfo: lfo1 } = bp();
chain.push(bpf1);
lfo1 && audioNodes.push(lfo1)
if (ftype === '24db') {
chain.push(bp());
const { filter: bpf2, lfo: lfo2 } = hp();
chain.push(bpf2);
lfo2 && audioNodes.push(lfo2)
}
}
@@ -685,8 +697,9 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
}
// phaser
if (phaser !== undefined && phaserdepth > 0) {
const phaserFX = getPhaser(t, endWithRelease, phaser, phaserdepth, phasercenter, phasersweep);
chain.push(phaserFX);
const { phaser, lfo } = getPhaser(t, endWithRelease, phaser, phaserdepth, phasercenter, phasersweep);
audioNodes.push(lfo);
chain.push(phaser);
}
// last gain