@thi.ng/dsp/curve.js

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

import { MAdd } from "./madd.js";
const curve = (start, end, num, rate = 0.1, skipFirst = false, clampEnd = false) => {
  const c = Math.exp(-Math.log((Math.abs(end - start) + rate) / rate) / num);
  const offset = (start < end ? end + rate : end - rate) * (1 - c);
  return new MAdd(
    c,
    skipFirst ? offset + start * c : start,
    offset,
    clampEnd ? end : void 0
  );
};
export {
  curve
};