private void Drag(VRTK_UIPointer pointer, List <RaycastResult> results)
{
pointer.pointerEventData.dragging = pointer.SelectionButtonActive() && pointer.pointerEventData.delta != Vector2.zero;
if (pointer.pointerEventData.pointerDrag)
{
if (!ValidElement(pointer.pointerEventData.pointerDrag))
{
return;
}
if (pointer.pointerEventData.dragging)
{
if (IsHovering(pointer))
{
ExecuteEvents.ExecuteHierarchy(pointer.pointerEventData.pointerDrag, pointer.pointerEventData, ExecuteEvents.dragHandler);
}
}
else
{
ExecuteEvents.ExecuteHierarchy(pointer.pointerEventData.pointerDrag, pointer.pointerEventData, ExecuteEvents.dragHandler);
ExecuteEvents.ExecuteHierarchy(pointer.pointerEventData.pointerDrag, pointer.pointerEventData, ExecuteEvents.endDragHandler);
foreach (RaycastResult raycast in results)
{
ExecuteEvents.ExecuteHierarchy(raycast.gameObject, pointer.pointerEventData, ExecuteEvents.dropHandler);
}
pointer.pointerEventData.pointerDrag = null;
}
}
else if (pointer.pointerEventData.dragging)
{
foreach (var result in results)
{
if (!ValidElement(result.gameObject))
{
continue;
}
ExecuteEvents.ExecuteHierarchy(result.gameObject, pointer.pointerEventData, ExecuteEvents.initializePotentialDrag);
ExecuteEvents.ExecuteHierarchy(result.gameObject, pointer.pointerEventData, ExecuteEvents.beginDragHandler);
var target = ExecuteEvents.ExecuteHierarchy(result.gameObject, pointer.pointerEventData, ExecuteEvents.dragHandler);
if (target != null)
{
pointer.pointerEventData.pointerDrag = target;
break;
}
}
}
}