// Update is called once per frame void Update() { // Check for mouse down if (Input.GetMouseButtonDown(0)) { // Flap the bird bird.Flap(); } // Are there columns to move? if (Bird.columns.Count > 0) { if (Input.GetKey(KeyCode.UpArrow)) { // move column up bird.MoveColumn(true); } if (Input.GetKey(KeyCode.DownArrow)) { // move column down bird.MoveColumn(false); } } }