static BlenderShortCuts()
        {
            mInstance = new BlenderShortCuts();

            EditorApplication.update     += mInstance.OnUpdate;
            SceneView.onSceneGUIDelegate += mInstance.OnSceneGUI;
        }
        static BlenderShortCuts()
        {
            mInstance = new BlenderShortCuts();

            EditorApplication.update += mInstance.OnUpdate;
            SceneView.onSceneGUIDelegate += mInstance.OnSceneGUI;
        }