/* eslint-disable no-param-reassign */
/* eslint-disable no-return-assign */
import { TEasingFunction } from '../types';

export const EaseOutBounce: TEasingFunction = (x) => {
  const n1 = 7.5625;
  const d1 = 2.75;

  if (x < 1 / d1) {
    return n1 * x * x;
  }

  if (x < 2 / d1) {
    return n1 * (x -= 1.5 / d1) * x + 0.75;
  }

  if (x < 2.5 / d1) {
    return n1 * (x -= 2.25 / d1) * x + 0.9375;
  }

  return n1 * (x -= 2.625 / d1) * x + 0.984375;
};