public void OnValueChange(Vector2 pos)
{
int index = GetPosIndex();
if (position != index && index > -1)
{
position = index;
for (int i = itemList.Count; i > 0; i--)
{
BaseAdapterItem <T> item = itemList[i - 1];
if (item.Index < index || (item.Index >= index + viewCount))
{
itemList.Remove(item);
unUsedQueue.Enqueue(item);
}
}
for (int i = position; i < position + viewCount; i++)
{
if (i < 0)
{
continue;
}
if (i > dataCount - 1)
{
continue;
}
bool isOk = false;
foreach (BaseAdapterItem <T> item in itemList)
{
if (item.Index == i)
{
isOk = true;
UpdateItem(i, item);
}
}
if (isOk)
{
continue;
}
CreateItem(i);
}
}
}
private void UpdateItem(int index, BaseAdapterItem <T> itemBase)
{
itemBase.Index = index;
itemBase.SetData(datas[index], otherParam);
}
