/// <summary>
/// 只检查是否可见
/// </summary>
public void CheckVisible(uint frame)
{
if (frame > lastUpdateFrame)
{
lastUpdateFrame = frame;
isVisible = rectBounds.Overlaps(scrollSystem.scrollBounds);
}
}
/// <summary>
/// 只检查是否可见
/// </summary>
public bool IsVisible()
{
if (Time.frameCount == lastFrameCount)
{
return(this.isVisible);
}
this.lastFrameCount = Time.frameCount;
this.isVisible = bounds.Overlaps(scrollSystem.bounds);
return(this.isVisible);
}