public void SwitchTut(int index) { current += index; //Debug.Log("current: " + current); EraseAll(); if (current > 0) { left.SetActive(true); } else { left.SetActive(false); } if (current < ui_manager.courses.Count - 1) { right.SetActive(true); } else { right.SetActive(false); } if (!played_tut_list[current]) { my_players.gameObject.SetActive(true); GameObject current_player = videos.transform.GetChild(current).gameObject; current_player.SetActive(true); my_players.myVideo = current_player.GetComponent <VideoPlayer>(); my_players.PlayPause(); played_tut_list[current] = true; } ui_manager.Get_Course(current); }