public void OnDrag(PointerEventData eventData)
{
if (eventData.pointerId != draggingPointer)
{
eventData.pointerDrag = null;
return;
}
manager.UpdateSelection(initialPosition + manager.GetTouchPosition(eventData.position, eventData.pressEventCamera) - initialTouchPosition);
}
public void OnDrag(PointerEventData eventData)
{
if (eventData.pointerId != draggingPointer)
{
eventData.pointerDrag = null;
return;
}
draggingPointerEventData = eventData;
Vector2 newPosition = initialPosition + manager.GetTouchPosition(eventData.position, eventData.pressEventCamera) - initialTouchPosition;
Vector2 selectionPosition = initialSelectionPosition;
Vector2 selectionSize = initialSelectionSize;
if ((directions & Direction.Left) == Direction.Left)
{
if (newPosition.x < manager.SelectionSnapToEdgeThreshold)
{
newPosition.x = 0f;
}
selectionSize.x -= newPosition.x - selectionPosition.x;
selectionPosition.x = newPosition.x;
}
else if ((directions & Direction.Right) == Direction.Right)
{
if (newPosition.x > manager.OrientedImageSize.x - manager.SelectionSnapToEdgeThreshold)
{
newPosition.x = manager.OrientedImageSize.x;
}
selectionSize.x = newPosition.x - selectionPosition.x;
}
if ((directions & Direction.Top) == Direction.Top)
{
if (newPosition.y > manager.OrientedImageSize.y - manager.SelectionSnapToEdgeThreshold)
{
newPosition.y = manager.OrientedImageSize.y;
}
selectionSize.y = newPosition.y - selectionPosition.y;
}
else if ((directions & Direction.Bottom) == Direction.Bottom)
{
if (newPosition.y < manager.SelectionSnapToEdgeThreshold)
{
newPosition.y = 0f;
}
selectionSize.y -= newPosition.y - selectionPosition.y;
selectionPosition.y = newPosition.y;
}
bool shouldExpand = false;
if (secondaryDirection == Direction.None)
{
if (direction == Direction.Left || direction == Direction.Right)
{
if (selectionSize.x > initialSelectionSize.x)
{
shouldExpand = true;
}
}
else
{
if (selectionSize.y > initialSelectionSize.y)
{
shouldExpand = true;
}
}
}
manager.UpdateSelection(selectionPosition, selectionSize, pivot, !shouldExpand);
}