// Start is called before the first frame update
 void Start()
 {
     anim      = GetComponent <Animator> ();
     dialouge  = dialouge.GetComponent <StoryDialogeManagerClassroom>();
     dialogBox = dialogBox.GetComponent <SpriteRenderer>();
     speaker_dialouge_finished = false;
     //text=GameObject.Find("Text_instruction").GetComponent<Text>();
 }
 // Start is called before the first frame update
 void Start()
 {
     anim           = GetComponent <Animator> ();
     dialouge       = dialouge.GetComponent <StoryDialogeManagerClassroom>();
     bubble_Speaker = bubble_Speaker.GetComponent <bubble_speaker>();
 }