//class MovePlayer : ComponentSystem
//{
//    struct Components
//    {
//        public PlayerMove player;
//        public Vector3 pos;

//    }
//    protected override void OnUpdate()
//    {
//        Entities.WithAll<PlayerMove>().ForEach((Entity e) =>
//        {
//            // do stuff
//            float speed = 8f;
//            PlayerMove player = new PlayerMove();
//            player.transform.Translate(Vector3.forward * speed * Time.deltaTime);
//        });
//    }

//}