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Jade (Rose) Rowland 2024-03-02 22:35:26 -05:00
parent f911fceb9e
commit 8a7d72bf24
1 changed files with 30 additions and 8 deletions
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38
packages/superdough/worklets.mjs
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@ -155,6 +155,25 @@ const polyBlep = (t, dt) => {
}
};
const inc = () => {
t += freqInSecondsPerSample;
t -= bitwiseOrZero(t);
};
const square_number = (x) => {
return x * x;
};
const blep = (t, dt) => {
if (t < dt) {
return -square_number(t / dt - 1);
} else if (t > 1 - dt) {
return square_number((t - 1) / dt + 1);
} else {
return 0;
}
};
const polySaw = (t, dt) => {
// Correct phase, so it would be in line with sin(2.*M_PI * t)
t += 0.5;
@ -162,6 +181,7 @@ const polySaw = (t, dt) => {
const naive_saw = 2 * t - 1;
return naive_saw - polyBlep(t, dt);
// return naive_saw;
};
const saw2 = (x, t) => (((x * t) % 1) - 0.5) * 2;
@ -232,15 +252,17 @@ class BetterOscillatorProcessor extends AudioWorkletProcessor {
const output = outputs[0];
for (let i = 0; i < output[0].length; i++) {
const blep = polyBlep(this.phase, frequency / sampleRate);
console.log(blep);
const out = saw2(frequency, this.phase / sampleRate);
// const out = polySaw(this.phase, frequency / sampleRate);
// const blep = polyBlep(this.phase, frequency / sampleRate);
// console.log(blep);
// const out = saw2(frequency, this.phase / sampleRate);
const out = polySaw(this.phase, frequency / sampleRate);
output[0][i] = out;
output.forEach((channel) => {
channel[i] = out;
});
this.phase++;
this.phase += dt;
if (this.phase > 1.0) {
this.phase = this.phase - 1;
}
}
// for (let i = 0; i < outlen; x++) {