protected virtual void DequeueCrossOrder(SpriteRenderer SR)
{
int MoveDir = 0;
switch (MoveDirection)
{
case EDirection.LEFT:
if (SR.transform.position.x <= LeftBorderX)
{
MoveDir = -1;
}
break;
case EDirection.RIGHT:
if (SR.transform.position.x >= RightBorderX)
{
MoveDir = 1;
}
break;
}
float SpriteWidth = SR.sprite.bounds.size.x;
SpriteWidth *= SR.transform.localScale.x;
Vector3 PosDelta = new Vector3(1, 0, 0) * SpriteWidth * (ObjectQueue.Count) * (-MoveDir);
SR.transform.position += PosDelta;
ObjectQueue.Dequeue();
ObjectQueue.Enqueue(SR);
}
/// <summary>
/// 设置到最大容量;
/// </summary>
public void SetMaxCapacity(int maxCapacity)
{
MaxCapacity = maxCapacity;
while (IsFull)
{
T item = ObjectQueue.Dequeue();
Destroy(item);
}
}
/// <summary>
/// Returns an object from the pipe. If pipe is empty returns null.
/// This will try the ExternalReader if there are no queued objects.
/// </summary>
/// <returns>
/// object that is retrieved, or AutomationNull.Value if none
/// </returns>
internal object Retrieve()
{
if (ObjectQueue != null && ObjectQueue.Count != 0)
{
return(ObjectQueue.Dequeue());
}
else if (_enumeratorToProcess != null)
{
if (_enumeratorToProcessIsEmpty)
{
return(AutomationNull.Value);
}
if (!ParserOps.MoveNext(_context, null, _enumeratorToProcess))
{
_enumeratorToProcessIsEmpty = true;
return(AutomationNull.Value);
}
return(ParserOps.Current(null, _enumeratorToProcess));
}
else if (ExternalReader != null)
{
try
{
object o = ExternalReader.Read();
if (AutomationNull.Value == o)
{
// NOTICE-2004/06/08-JonN 963367
// The fix to this bug involves making one last
// attempt to read from the pipeline in DoComplete.
// We should be sure to not hit the ExternalReader
// again if it already reported completion.
ExternalReader = null;
}
return(o);
}
catch (PipelineClosedException)
{
return(AutomationNull.Value);
}
catch (ObjectDisposedException)
{
return(AutomationNull.Value);
}
}
else
{
return(AutomationNull.Value);
}
}
/// <summary>
/// 获取到对象实例;
/// </summary>
public T Get()
{
if (IsEmpty)
{
T item = Instantiate();
return(item);
}
else
{
T item = ObjectQueue.Dequeue();
ResetWhenOutPool(item);
return(item);
}
}