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clean interface

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This commit is contained in:
Raphaël Forment
2025-10-12 11:32:36 +02:00
parent 6c11c5756a
commit fcb784d403
13 changed files with 536 additions and 118 deletions
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14
src/lib/audio/engines/FourOpFM.ts
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@ -1,4 +1,4 @@
import type { SynthEngine } from './SynthEngine';
import type { SynthEngine, PitchLock } from './SynthEngine';
enum EnvCurve {
Linear,
@ -420,12 +420,14 @@ export class FourOpFM implements SynthEngine<FourOpFMParams> {
}
}
randomParams(): FourOpFMParams {
randomParams(pitchLock?: PitchLock): FourOpFMParams {
const algorithm = this.randomInt(0, 5) as Algorithm;
// More musical frequency ratios including inharmonic ones
const baseFreqChoices = [55, 82.4, 110, 146.8, 220, 293.7, 440, 587.3, 880];
const baseFreq = this.randomChoice(baseFreqChoices) * this.randomRange(0.9, 1.1);
const baseFreq = pitchLock?.enabled
? pitchLock.frequency
: this.randomChoice(baseFreqChoices) * this.randomRange(0.9, 1.1);
return {
baseFreq,
@ -481,9 +483,11 @@ export class FourOpFM implements SynthEngine<FourOpFMParams> {
};
}
mutateParams(params: FourOpFMParams, mutationAmount: number = 0.15): FourOpFMParams {
mutateParams(params: FourOpFMParams, mutationAmount: number = 0.15, pitchLock?: PitchLock): FourOpFMParams {
const baseFreq = pitchLock?.enabled ? pitchLock.frequency : params.baseFreq;
return {
baseFreq: params.baseFreq,
baseFreq,
algorithm: Math.random() < 0.08 ? this.randomInt(0, 5) as Algorithm : params.algorithm,
operators: params.operators.map((op, i) =>
this.mutateOperator(op, mutationAmount, i === 3, params.algorithm)