private void Initialize()
{
EventTrigger trigger = go.GetComponent <EventTrigger>();
// Initialize our event triggers
EventUtility.CreateEventTriggerEntry <PointerEventData>(trigger, EventTriggerType.PointerDown, OnPointerDown);
EventUtility.CreateEventTriggerEntry <PointerEventData>(trigger, EventTriggerType.PointerUp, Reset);
EventUtility.CreateEventTriggerEntry <PointerEventData>(trigger, EventTriggerType.PointerExit, Reset);
}