/// <summary>
/// 将最后不可见的项移动到第一个
/// </summary>
/// <param name="firstItem"></param>
protected virtual void ScrollUpDirection(RectTransform lastItem, RectTransform firstItem)
{
lastItem.SetAsFirstSibling();
lastItem.anchoredPosition = new Vector2(firstItem.anchoredPosition.x, firstItem.anchoredPosition.y + ItemDistance);
LoopCircleItem lastloopCircle = AllLoopCircleItems[lastItem];
LoopCircleItem firstloopCircle = AllLoopCircleItems[firstItem];
lastloopCircle.InitialedView(firstloopCircle.DataIndex - 1);
if (OnItemShowAct != null)
{
OnItemShowAct.Invoke(lastItem, lastloopCircle);
}
}
/// <summary>
/// 将第一个不可见的项移动到末尾
/// </summary>
/// <param name="firstItem"></param>
protected virtual void ScrollRightDirection(RectTransform firstItem, RectTransform lastItem)
{
//if (firstItem == null)
// firstItem = ContentRectrans.GetChildEX(0);
firstItem.SetAsLastSibling();
firstItem.anchoredPosition = new Vector2(lastItem.anchoredPosition.x + ItemDistance, lastItem.anchoredPosition.y);
LoopCircleItem firstloopCircle = AllLoopCircleItems[firstItem];
LoopCircleItem lastloopCircle = AllLoopCircleItems[lastItem];
firstloopCircle.InitialedView(lastloopCircle.DataIndex + 1);
if (OnItemShowAct != null)
{
OnItemShowAct.Invoke(firstItem, firstloopCircle);
}
}
/// <summary>
///将最后一个不可见得项移动到开头
/// </summary>
/// <param name="operateItem"></param>
protected virtual void ScrollLeftDirection(RectTransform lastItem, RectTransform firstItem)
{
//if (lastItem == null)
// lastItem = ContentRectrans.GetChildEX(ContentRectrans.childCount - 1);
lastItem.SetAsFirstSibling();
lastItem.anchoredPosition = new Vector2(firstItem.anchoredPosition.x - ItemDistance, firstItem.anchoredPosition.y);
LoopCircleItem lastloopCircle = AllLoopCircleItems[lastItem];
LoopCircleItem firstloopCircle = AllLoopCircleItems[firstItem];
lastloopCircle.InitialedView(firstloopCircle.DataIndex - 1);
if (OnItemShowAct != null)
{
OnItemShowAct.Invoke(lastItem, lastloopCircle);
}
}