public bool IsListItemVisible(int index, float err = 1f)
{
if (IsInited)
{
RectTransform rt_v = ScrollRect.viewport;
LayoutItem item = GetListItem(index);
if (item != null)
{
Rect rect_child = UGUITools.GetRelativeRect(rt_v, item.CacheRectTransform);
Rect rect_v = rt_v.rect;
if (IsVertical)
{
bool is_inside = rect_child.yMin + err >= rect_v.yMin && rect_child.yMax - err <= rect_v.yMax;
return(is_inside);
}
else
{
bool is_inside = rect_child.xMin + err >= rect_v.xMin && rect_child.xMax - err <= rect_v.xMax;
return(is_inside);
}
}
}
return(false);
}