@thi.ng/dsp/mul.js

Composable signal generators, oscillators, filters, FFT, spectrum, windowing & related DSP utils

import { AGen } from "./agen.js";
const mul = (factor, start, clamp) => new Mul(factor, start, clamp);
class Mul extends AGen {
  constructor(_factor = 1, _start = 1, _clamp) {
    super(0);
    this._factor = _factor;
    this._start = _start;
    this._clamp = _clamp;
    this.reset();
  }
  copy() {
    return new Mul(this._factor, this._start, this._clamp);
  }
  reset() {
    this._val = this._start / this._factor;
    return this;
  }
  next() {
    let v = this._val * this._factor;
    return this._val = this._clamp !== void 0 ? this._start < this._clamp ? Math.min(v, this._clamp) : Math.max(v, this._clamp) : v;
  }
}
export {
  Mul,
  mul
};