UIRoot mRoot;
void Start ()
...
mRoot = NGUITools.FindInParents<UIRoot>(gameObject);
}
void Update ()
...
if (panelContainer.clipping == UIDrawCall.Clipping.None)
{
rect.xMin = -Screen.width * 0.5f * mRoot.manualHeight / Screen.height;
rect.yMin = -Screen.height * 0.5f * mRoot.manualHeight / Screen.height;
...
}