// Update is called once per frame
        void Update()
        {
            Ray        ray = cam.ViewportPointToRay(new Vector3(0.5F, 0.5F, 0));
            RaycastHit hit;

            if (Physics.Raycast(ray, out hit, Distance))
            {
                InteractForAnimation interactor = hit.collider.GetComponent <InteractForAnimation>();
                if (interactor != null && interactor.CanInteract())
                {
                    currentOverTime = currentOverTime + Time.deltaTime;
                    // Modifico visualizzazione Target
                    TargetUI.color = Color.red;
                    TargetUI.rectTransform.localScale = new Vector3(2.0f, 2.0f, 1.0f);
                    // Modifico visualizzazione Counter
                    CounterUI.fillAmount = currentOverTime / OverTimeLimit;
                    CounterUI.rectTransform.localScale = new Vector3(3.0f, 3.0f, 3.0f);

                    if (currentOverTime >= OverTimeLimit && alreadyClicked == false)
                    {
                        OnClick(hit);
                        //currentOverTime = 0;
                        alreadyClicked = true;
                    }
                }
                else
                {
                    ResetCounter();
                }
            }
            else
            {
                ResetCounter();
            }
        }
        void OnClick(RaycastHit _hit)
        {
            Debug.Log("OnClick " + _hit.transform.name);
            InteractForAnimation componentFinded = _hit.transform.GetComponent <InteractForAnimation>();

            if (componentFinded != null)
            {
                componentFinded.InteractionToggle();
            }
        }