void CartelEnter(Collider2D collision)
        {
            Debug.Log("Cartel detectado");
            Cartel cartel = collision.GetComponent <Cartel>();

            dialoguePicture.sprite = cartel.image;
            dialogueText.text      = cartel.text;
        }
 void CartelStay(Collider2D collision)
 {
     if (Input.GetButtonDown("Fire1"))
     {
         Cartel cartel = collision.GetComponent <Cartel>();
         dialoguePicture.sprite = cartel.image;
         dialogueText.text      = cartel.text;
         Debug.Log("Ver cartel / Dejar de ver cartel");
         if (pm.AlowMove == true)
         {
             pm.AlowMove = false;
             dialogueBox.SetActive(true);
         }
         else
         {
             pm.AlowMove = true;
             dialogueBox.SetActive(false);
         }
     }
 }