private void shiftUp(float d)
{
for (int i = firstPos; i <= lastPos; i++)
{
ItemBundle beforeB = getByPosition(i - 1);
ItemBundle ib = getByPosition(i);
if (beforeB == null)
{
Vector2 v = ib.trans.anchoredPosition + new Vector2(0, d);
if ((lastPos + 1) < adapter.getCount() && v.y > getTopLimtY())
{
firstPos++;
ib.position = ++lastPos;
}
else
{
ib.trans.anchoredPosition += new Vector2(0, d);
}
}
else
{
ib.trans.anchoredPosition = beforeB.getBottomCenter();
}
}
}
public bool isEnded()
{
ItemBundle ib = getByPosition(adapter.getCount() - 1);
if (ib == null)
{
return(false);
}
return(ib.getBottomCenter().y > getBottomLimtY());
}
private bool lockMoveToTop(float d)
{
ItemBundle lastB = getByPosition(lastPos);
if (lastB == null)
{
return(false);
}
float y = lastB.getBottomCenter().y;
bool db = d > 0;
bool indexB = lastPos >= adapter.getCount();
bool heightB = y > -getContainerHeight();
return(d > 0 && (lastPos + 1) >= adapter.getCount() && y > -getContainerHeight());
}
private void shiftDown(float d)
{
for (int i = lastPos; i >= firstPos; i--)
{
ItemBundle nextB = getByPosition(i + 1);
ItemBundle ib = getByPosition(i);
if (nextB == null)
{
if ((firstPos) > 0 && ib.getBottomCenter().y < getBottomLimtY())
{
lastPos--;
ib.position = --firstPos;
}
else
{
ib.trans.anchoredPosition += new Vector2(0, d);
}
}
else
{
ib.trans.anchoredPosition = nextB.trans.anchoredPosition + new Vector2(0, ib.trans.rect.height);
}
}
}