added a non-interactive blobs exhibit

[laserbrain_demo] / src / exhibit.h

diff --git a/src/exhibit.h b/src/exhibit.h
index c607fdb..c4c0ec9 100644 (file)
--- a/src/exhibit.h
+++ b/src/exhibit.h
@@ -23,7 +23,10 @@ public:
        virtual void *select(const Sphere &sph) const;
 
        virtual void update(float dt = 0.0f);
+
+       virtual void pre_draw() const;
        virtual void draw() const;
+       virtual void post_draw() const;
 };
 
 #endif // EXHIBIT_H_