@phaserjs/phaser/math/quaternion/QuatSetAxisAngle.js

Phaser 4

import { Quaternion } from "./Quaternion";
export function QuatSetAxisAngle(axis, angle, out = new Quaternion()) {
  const { x, y, z } = axis;
  angle *= 0.5;
  const s = Math.sin(angle);
  return out.set(x * s, y * s, z * s, Math.cos(angle));
}