private void ChangeBrushOnMouseScroll() { UserInterfaceManager u = GameObject.Find("UI").GetComponent <UserInterfaceManager>(); int i = u.GetCurrentBrush(); if (Input.GetAxis("Mouse ScrollWheel") > 0) { u.SelectBrush(++i); } if (Input.GetAxis("Mouse ScrollWheel") < 0) { u.SelectBrush(--i); } }