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faster is odd

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This commit is contained in:
Jade (Rose) Rowland 2024-03-06 20:27:05 -05:00
parent 6a5bf521c2
commit 4d1110b3f3
1 changed files with 12 additions and 9 deletions
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21
packages/superdough/worklets.mjs
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@ -228,20 +228,23 @@ class SuperSawOscillatorProcessor extends AudioWorkletProcessor {
const output = outputs[0]; const output = outputs[0];
const voices = params.voices[0]; const voices = params.voices[0];
const freqspread = params.freqspread[0]; const freqspread = params.freqspread[0];
let panspread = params.panspread[0] * 0.5 + 0.5; const panspread = params.panspread[0] * 0.5 + 0.5;
const gain = [Math.sqrt(1 - panspread), Math.sqrt(panspread)]; const gain1 = Math.sqrt(1 - panspread);
const revGain = [Math.sqrt(panspread), Math.sqrt(1 - panspread)]; const gain2 = Math.sqrt(panspread);
// panspread = panspread * 0.5 + 0.5;
for (let n = 0; n < voices; n++) { for (let n = 0; n < voices; n++) {
let adj = 0; let adj = 0;
const isOdd = n % 2 === 1; const isOdd = (n & 1) == 1;
if (n > 0) { if (n > 0) {
adj = isOdd ? n * freqspread : -((n - 1) * freqspread); adj = isOdd ? n * freqspread : -((n - 1) * freqspread);
} }
const freq = Math.min(16744, Math.max(1, frequency + adj * 0.01 * frequency)); const freq = Math.min(16744, Math.max(1, frequency + adj * 0.01 * frequency));
const g = isOdd ? gain : revGain; let gainL = gain1;
let gainR = gain2;
if (isOdd) {
gainL = gain2;
gainR = gain1;
}
// eslint-disable-next-line no-undef // eslint-disable-next-line no-undef
const dt = freq / sampleRate; const dt = freq / sampleRate;
@ -249,8 +252,8 @@ class SuperSawOscillatorProcessor extends AudioWorkletProcessor {
this.phase[n] = this.phase[n] ?? Math.random(); this.phase[n] = this.phase[n] ?? Math.random();
const v = saw(this.phase[n], dt); const v = saw(this.phase[n], dt);
output[0][i] = output[0][i] + v * g[0]; output[0][i] = output[0][i] + v * gainL;
output[1][i] = output[1][i] + v * g[1]; output[1][i] = output[1][i] + v * gainR;
this.phase[n] += dt; this.phase[n] += dt;