} // end OnClickItem
private void DragUp(float value) {
if (index >= maxIndex) return;
// end if
if (value > (index - indexGap) * gap) {
UIScrollItem item = itemQueue.Dequeue();
item.SetBotton();
item.ResetItem(index.ToString(), null, index.ToString());
itemQueue.Enqueue(item);
index++;
} // end if
} // end DragUp
} // end DragUp
private void DragDown(float value) {
if (index <= indexGap + 1) return;
// end if
if (value < (index - indexGap - 1) * gap) {
UIScrollItem item = itemQueue.DequeueRev();
item.SetTop();
item.ResetItem(index.ToString(), null, (index - indexGap - 2).ToString());
itemQueue.EnqueueRev(item);
index--;
} // end if
} // end DragDown
public UIScrollView(ScrollRect scrollRect) {
index = 0;
lastDrag = 0;
maxIndex = 100;
this.scrollRect = scrollRect;
itemQueue = new TWQueue<UIScrollItem>();
scrollRect.content.sizeDelta = new Vector2(383, maxIndex * 125);
int count = Mathf.Clamp(maxIndex, 0, 4);
indexGap = count - 1;
for (int i = 0; i < count; i++) {
UIScrollItem item = new UIScrollItem(scrollRect.content,
new Vector3(0, -62.5f - i * 125f, 0), OnClickItem);
item.ResetItem(index.ToString(), null, index.ToString());
itemQueue.Enqueue(item);
index++;
} // end for
scrollRect.verticalScrollbar.onValueChanged.AddListener(delegate (float value) { OnDrag(value); });
} // end Start