public void Open(DialogueActer acter)
 {
     acter.OnDeselected();
     if (CandidateActer == null)
     {
         SetCandidate(acter);
     }
     Candidates.Add(acter);
     // Enable potential canvas
 }
        private void UpdateCandidate()
        {
            DialogueActer currentCandidate = CandidateActer;
            float         currentDistance  = CalculateDistanceToPlayer(CandidateActer);

            foreach (DialogueActer acter in Candidates)
            {
                float otherDistance = CalculateDistanceToPlayer(acter);

                if (otherDistance < currentDistance)
                {
                    currentCandidate = acter;
                    currentDistance  = otherDistance;
                }
            }

            if (CandidateActer != currentCandidate) // Si se ha encontrado un candidato más cercano
            {
                CandidateActer?.OnDeselected();
                SetCandidate(currentCandidate);
            }
        }