public override void OnBeginDrag(PointerEventData kEvtData)
{
if (!emAble)
{
return;
}
if (Input.touchCount > 1 && !isDrag)
{
onlySinglePointer = false;
}
else
{
isDrag = true;
onlySinglePointer = true;
}
if (!onlySinglePointer)
{
return;
}
if (onBeginDrag != null)
{
if (mDragHelper == null)
{
mDragHelper = GetComponent <DragHelper>();
}
if (mDragHelper != null && mDragHelper.needAngle)
{
canDrag = false;
if (mDragHelper.CheckAngleToDrag(kEvtData))
{
canDrag = true;
}
}
else
{
canDrag = true;
}
if (canDrag)
{
if (mDragHelper != null)
{
mDragHelper.BeginDrag();
}
onBeginDrag(gameObject, kEvtData);
}
else
{
if (onNotDrag != null)
{
onNotDrag(gameObject, kEvtData, false);
}
svobj = null;
PassEvent(kEvtData, ExecuteEvents.beginDragHandler);
}
}
else
{
svobj = null;
PassEvent(kEvtData, ExecuteEvents.beginDragHandler);
}
}