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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/AdditiveEngine.ts
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@ -1,4 +1,4 @@
import type { SynthEngine } from './SynthEngine';
import type { SynthEngine, PitchLock } from './SynthEngine';
enum EnvCurve {
Linear,
@ -380,9 +380,11 @@ export class AdditiveEngine implements SynthEngine<AdditiveParams> {
}
}
randomParams(): AdditiveParams {
randomParams(pitchLock?: PitchLock): AdditiveParams {
const baseFreqChoices = [55, 82.4, 110, 146.8, 220, 293.7, 440, 587.3, 880];
const baseFreq = this.randomChoice(baseFreqChoices) * this.randomRange(0.95, 1.05);
const baseFreq = pitchLock?.enabled
? pitchLock.frequency
: this.randomChoice(baseFreqChoices) * this.randomRange(0.95, 1.05);
const harmonicSeriesType = this.randomInt(0, 3) as HarmonicSeriesType;
const distributionStrategy = this.randomInt(0, 9) as DistributionStrategy;
@ -514,7 +516,7 @@ export class AdditiveEngine implements SynthEngine<AdditiveParams> {
};
}
mutateParams(params: AdditiveParams, mutationAmount: number = 0.15): AdditiveParams {
mutateParams(params: AdditiveParams, mutationAmount: number = 0.15, pitchLock?: PitchLock): AdditiveParams {
const newHarmonicSeriesType = Math.random() < 0.08 ? this.randomInt(0, 3) as HarmonicSeriesType : params.harmonicSeriesType;
const newDistributionStrategy = Math.random() < 0.08 ? this.randomInt(0, 9) as DistributionStrategy : params.distributionStrategy;
const ratios = this.generateRatiosForStrategy(newDistributionStrategy);
@ -530,8 +532,10 @@ export class AdditiveEngine implements SynthEngine<AdditiveParams> {
}
}
const baseFreq = pitchLock?.enabled ? pitchLock.frequency : params.baseFreq;
return {
baseFreq: params.baseFreq,
baseFreq,
partials: newPartials,
stereoWidth: this.mutateValue(params.stereoWidth, mutationAmount, 0, 1),
brightness: this.mutateValue(params.brightness, mutationAmount, 0, 1),