public void OnBeginDrag(PointerEventData eventData)
{
VerticalClamp = false;
HorizontalClamp = false;
if (hoverOverObject)
{
hoverOverObject.isOccupied = false;
}
oldHoverOverObject = hoverOverObject;
// Only allow dragging if certain conditions are met
if (MayDrag(eventData) == true)
{
var vector = default(Vector2);
var target = TargetTransform;
// Is this pointer inside this rect transform?
if (RectTransformUtility.ScreenPointToLocalPointInRectangle(target, eventData.position, eventData.pressEventCamera, out vector) == true)
{
dragging = true;
currentPosition = new Vector2(target.anchoredPosition.x, target.anchoredPosition.y);
initialPosition = currentPosition;
if (beginTransitions != null)
{
beginTransitions.Begin();
}
if (onBegin != null)
{
onBegin.Invoke();
}
}
}
}
private void OnTriggerEnter2D(Collider2D other)
{
if (other.gameObject.CompareTag("DragBox"))
{
if (!other.gameObject.GetComponent <LeanDragToTarget>().isOccupied)
{
hoverOverObject = other.gameObject.GetComponent <LeanDragToTarget>();
}
}
}
private void OnTriggerExit2D(Collider2D other)
{
if (other.gameObject.CompareTag("DragBox"))
{
var hover = other.gameObject;
if (hover != null && hover.GetComponent <LeanDragToTarget>() == hoverOverObject)
{
hoverOverObject = null;
}
}
}
public void OnEndDrag(PointerEventData eventData)
{
dragging = false;
if (hoverOverObject == null && oldHoverOverObject != null)
{
hoverOverObject = oldHoverOverObject;
}
if (hoverOverObject == null)
{
VerticalMin = initialPosition.y;
VerticalMax = initialPosition.y;
HorizontalMin = initialPosition.x;
HorizontalMax = initialPosition.x;
if (hoverOverObject && hoverOverObject.canOnlyHoldOne)
{
hoverOverObject.isOccupied = true;
}
}
else
{
VerticalMin = hoverOverObject.y;
VerticalMax = hoverOverObject.y;
HorizontalMin = hoverOverObject.x;
HorizontalMax = hoverOverObject.x;
if (hoverOverObject.canOnlyHoldOne)
{
hoverOverObject.isOccupied = true;
}
}
VerticalClamp = true;
HorizontalClamp = true;
horizontalMagnet = 10f;
verticalMagnet = 10f;
if (endTransitions != null)
{
endTransitions.Begin();
}
if (onEnd != null)
{
onEnd.Invoke();
}
}
