@phaserjs/phaser/math/vec3/Vec3ScaleAndAdd.js

Phaser 4

import { Vec3 } from "./Vec3";
export function Vec3ScaleAndAdd(a, b, scalar, out = new Vec3()) {
  return out.set(a.x + b.x * scalar, a.y + b.y * scalar, a.z + b.z * scalar);
}