public void OnBeginDrag(PointerEventData eventData)
{
if (!Input.GetKey(KeyCode.LeftControl) && !Input.GetKey(KeyCode.RightControl))
{
RTS_Selectable.DeselectAll(new BaseEventData(EventSystem.current));
}
selectionBoxImage.gameObject.SetActive(true);
startPosition = eventData.position;
selectionRect = new Rect();
}
// bubbles/propagates the pointer click
public void OnPointerClick(PointerEventData eventData)
{
List <RaycastResult> results = new List <RaycastResult> ();
EventSystem.current.RaycastAll(eventData, results);
Debug.Log("CLICK");
Debug.Log(results.Count);
if (results.Count < 3)
{
RTS_Selectable.DeselectAll(eventData);
}
else
{
float myDistance = 0;
foreach (RaycastResult result in results)
{
// get the drag selection box distance
if (result.gameObject == gameObject)
{
myDistance = result.distance;
break;
}
}
GameObject nextObject = null;
float maxDistance = Mathf.Infinity;
foreach (RaycastResult result in results)
{
// if there are any objects further away than the drag selector - this is the nextObject to pass the event to
if (result.distance > myDistance && result.distance < maxDistance)
{
nextObject = result.gameObject;
maxDistance = result.distance;
}
}
if (nextObject)
{
// grab on click event and bubble it through to the object behind the UI
ExecuteEvents.Execute <IPointerClickHandler> (nextObject, eventData, (x, y) => { x.OnPointerClick((PointerEventData)y); });
}
}
}
// Use this for initialization
protected override void Awake()
{
base.Awake(); // call -parent awake function
navMeshAgent = GetComponent <NavMeshAgent> ();
mySelectable = GetComponent <RTS_Selectable> ();
}