On Unity

Player Control (limit z axis)

` void OnTriggerEnter(Collider other){ Destroy (other.gameObject); }

void Update () { if (Input.GetKey (KeyCode.LeftArrow)) { transform.Translate (Vector3.left * Speed * Time.deltaTime); } if (Input.GetKey (KeyCode.RightArrow)) { transform.Translate (Vector3.right * Speed * Time.deltaTime); } } `