本文参考自 http://forum.china.unity3d.com/thread-1099-1-1.html
使用NGUI版本3.7.5。
在创建了一个UIRoot后&＃xff0c;有时会报NullReferenceException的错误,如下图。虽然报错但是不影响运行。
截取部分报错输出是
- NullReferenceException: Object reference not set to an instance of an object
- UIPanel.get_worldCorners () (at Assets/NGUI/Scripts/UI/UIPanel.cs:623)
- UIPanelInspector.OnSceneGUI () (at Assets/NGUI/Scripts/Editor/UIPanelInspector.cs:87)
- System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:222)
- Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
- System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at
双击错误进入NGUI的UIPanel脚本&＃xff0c;会定位到这段代码
- if (anchorOffset && mCam &＃61;&＃61; null || mCam.transform.parent !&＃61; cachedTransform)
将这段代码修改为下面的代码即可修复此错误
- if (anchorOffset && (mCam &＃61;&＃61; null || mCam.transform.parent !&＃61; cachedTransform))
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