1 files changed, 1 insertions, 0 deletions
diff --git a/include/base.h b/include/base.h
index 592d8d9..2607cf5 100644
--- a/include/base.h
+++ b/include/base.h
@@ -16,6 +16,7 @@ namespace mogltk {
 	virtual void Enter2DMode();
 	virtual void Leave2DMode();
 	virtual bool is2D();
+	virtual void changeviewport(int x = 0, int y = 0, unsigned int w = 0, unsigned int h = 0);
       protected:
           base(int, int, int, int);
 	void setsurface(SDL_Surface *) throw (GeneralException);