KillingGame.CrimeScene.CrimeObject.OnTouchThis C# (CSharp) Method

        public void OnTouchThis()
        {
            if (isDestroyed || !isActive || CrimeManager.Instance.isGUI)
                return;
            if (!isItem && selectedSprite != null)
                GetComponent<SpriteRenderer>().sprite = selectedSprite;

            activeList = new List<SelectManager>();

            foreach (SelectManager item in selectList)
            {
                // there is a bug which is happen when item is deleted.
                // When deleting item, programmer should update selectList.
                // This code is temporary fix.
                if (item == null) {
                    continue;
                }

                if (item.GetComponent<SelectManager>().isActive)
                    activeList.Add(item);
            }
            if (activeList.Count == 0 || buttonTrans == null)
                return;
            CrimeManager.Instance.isGUI = true;

            selectButtons = new GameObject[activeList.Count + 1];
            int i = 0;
            foreach (SelectManager item in activeList)
            {
                selectButtons[i] = CrimeManager.Instance.GetButton();
                selectButtons[i].transform.Find("Label").GetComponent<TextMesh>().text = item.name;
                selectButtons[i].transform.position = buttonTrans.position + 1f * i * Vector3.down + 3 * Vector3.right;
                selectButtons[i].GetComponent<SelectableButton>().crimeObject = this;
                selectButtons[i].GetComponent<SelectableButton>().selectable = item;
                i++;
            }
            selectButtons[i] = CrimeManager.Instance.GetCanceler();
            selectButtons[i].GetComponent<SelectableButton>().crimeObject = this;
        }

 void OnMouseDown()
 {
     if (target == null)
     {
         return;
     }
     target.OnTouchThis();
 }