Aargh

1 files changed, 3 insertions, 3 deletions

diff --git a/include/glbase.h b/include/glbase.h
index 7fa3b06..6328d94 100644
--- a/include/glbase.h
+++ b/include/glbase.h
@@ -11,10 +11,10 @@ namespace mogltk {
       public:
           glbase(int w = 640, int h = 480, int flags = 0) throw(GeneralException);
 	  virtual ~glbase();
-	void Enter2DMode(void);
-	void Leave2DMode(void);
+	virtual void Enter2DMode(void);
+	virtual void Leave2DMode(void);
 	virtual void Flip(void);
-	bool is2D(void);
+	virtual bool is2D(void);
         static void glVertex(GLshort, GLshort, GLshort = 0, GLshort = 1);
 	static void glVertex(GLint, GLint, GLint = 0, GLint = 1);
 	static void glVertex(GLfloat, GLfloat, GLfloat = 0.0, GLfloat = 1.0);