@phaserjs/phaser/math/interpolation/QuadraticBezierInterpolation.js

Phaser 4

/**
 * @author       Richard Davey <rich@photonstorm.com>
 * @copyright    2020 Photon Storm Ltd.
 * @license      {@link https://opensource.org/licenses/MIT|MIT License}
 */
function P0(t, p) {
  const k = 1 - t;
  return k * k * p;
}
function P1(t, p) {
  return 2 * (1 - t) * t * p;
}
function P2(t, p) {
  return t * t * p;
}
export function QuadraticBezierInterpolation(t, p0, p1, p2) {
  return P0(t, p0) + P1(t, p1) + P2(t, p2);
}