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This commit is contained in:
Jade (Rose) Rowland 2025-03-03 21:05:23 -05:00
parent 8a502e886e
commit b4af840240
1 changed files with 21 additions and 21 deletions
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42
packages/superdough/worklets.mjs
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@ -75,7 +75,12 @@ const waveshapes = {
return v - polyBlep(phase, dt); return v - polyBlep(phase, dt);
}, },
}; };
function getParamValue(block, param) {
if (param.length > 1) {
return param[block];
}
return param[0];
}
const waveShapeNames = Object.keys(waveshapes); const waveShapeNames = Object.keys(waveshapes);
class LFOProcessor extends AudioWorkletProcessor { class LFOProcessor extends AudioWorkletProcessor {
static get parameterDescriptors() { static get parameterDescriptors() {
@ -364,7 +369,7 @@ function getUnisonDetune(unison, detune, voiceIndex) {
} }
function applySemitoneDetuneToFrequency(frequency, detune) { function applySemitoneDetuneToFrequency(frequency, detune) {
return frequency * Math.pow(2, detune / 12) return frequency * Math.pow(2, detune / 12);
} }
class SuperSawOscillatorProcessor extends AudioWorkletProcessor { class SuperSawOscillatorProcessor extends AudioWorkletProcessor {
@ -443,8 +448,7 @@ class SuperSawOscillatorProcessor extends AudioWorkletProcessor {
const isOdd = (n & 1) == 1; const isOdd = (n & 1) == 1;
//applies unison "spread" detune in semitones //applies unison "spread" detune in semitones
const freq = applySemitoneDetuneToFrequency(frequency, getUnisonDetune(voices, freqspread, n)) const freq = applySemitoneDetuneToFrequency(frequency, getUnisonDetune(voices, freqspread, n));
// const freq = frequency * Math.pow(2, getUnisonDetune(voices, freqspread, n) / 12);
let gainL = gain1; let gainL = gain1;
let gainR = gain2; let gainR = gain2;
// invert right and left gain // invert right and left gain
@ -655,10 +659,7 @@ class PhaseVocoderProcessor extends OLAProcessor {
registerProcessor('phase-vocoder-processor', PhaseVocoderProcessor); registerProcessor('phase-vocoder-processor', PhaseVocoderProcessor);
class PulseOscillatorProcessor extends AudioWorkletProcessor { class PulseOscillatorProcessor extends AudioWorkletProcessor {
constructor() { constructor() {
super(); super();
this.pi = _PI; this.pi = _PI;
@ -671,7 +672,6 @@ class PulseOscillatorProcessor extends AudioWorkletProcessor {
this.envf = 0; // filtered envelope this.envf = 0; // filtered envelope
} }
static get parameterDescriptors() { static get parameterDescriptors() {
return [ return [
{ {
@ -694,10 +694,11 @@ class PulseOscillatorProcessor extends AudioWorkletProcessor {
min: Number.EPSILON, min: Number.EPSILON,
}, },
{ {
name: 'detune', name: 'detune',
defaultValue: 0, defaultValue: 0,
min: Number.NEGATIVE_INFINITY, min: Number.NEGATIVE_INFINITY,
max: Number.POSITIVE_INFINITY}, max: Number.POSITIVE_INFINITY,
},
{ {
name: 'pulsewidth', name: 'pulsewidth',
defaultValue: 1, defaultValue: 1,
@ -708,22 +709,22 @@ class PulseOscillatorProcessor extends AudioWorkletProcessor {
} }
process(inputs, outputs, params) { process(inputs, outputs, params) {
if (currentTime <= params.begin[0]) { if (currentTime <= params.begin[0]) {
return true; return true;
} }
if (currentTime >= params.end[0]) { if (currentTime >= params.end[0]) {
return false; return false;
} }
const output = outputs[0]; const output = outputs[0];
let env = 1, dphi; let env = 1,
let pw = clamp(params.pulsewidth[0], 0.01, 0.99) * _PI * 2 dphi;
let detune = params.detune[0];
let freq = applySemitoneDetuneToFrequency(params.frequency[0], detune /100)
for (let i = 0; i < (output[0].length ?? 0); i++) { for (let i = 0; i < (output[0].length ?? 0); i++) {
const pw = clamp(getParamValue(i, params.pulsewidth), 0.01, 0.99) * _PI * 2;
const detune = getParamValue(i, params.detune);
const freq = applySemitoneDetuneToFrequency(getParamValue(i, params.frequency), detune / 100);
dphi = freq * (this.pi / (sampleRate * 0.5)); // phase increment
dphi = freq * (this.pi / (sampleRate * .5)); // phase increment
this.dphif += 0.1 * (dphi - this.dphif); this.dphif += 0.1 * (dphi - this.dphif);
env *= 0.9998; // exponential decay envelope env *= 0.9998; // exponential decay envelope
@ -744,12 +745,11 @@ class PulseOscillatorProcessor extends AudioWorkletProcessor {
// Second half-Tomisawa generator (with phase offset for pulse width) // Second half-Tomisawa generator (with phase offset for pulse width)
let out1 = Math.cos(this.phi + this.B * this.Y1 + pw); let out1 = Math.cos(this.phi + this.B * this.Y1 + pw);
this.Y1 = 0.5 * (out1 + this.Y1); // anti-hunting filter this.Y1 = 0.5 * (out1 + this.Y1); // anti-hunting filter
for (let o = 0; o < output.length; o++) { for (let o = 0; o < output.length; o++) {
// Combination of both oscillators with envelope applied // Combination of both oscillators with envelope applied
output[o][i] = 0.15 * (out0 - out1) * this.envf; output[o][i] = 0.15 * (out0 - out1) * this.envf;
} }
} }
return true; // keep the audio processing going return true; // keep the audio processing going