fixed terrain rendering - visualized normals

[demo] / src / opengl / mesh-gl.h

diff --git a/src/opengl/mesh-gl.h b/src/opengl/mesh-gl.h
index f935a59..833e2db 100644 (file)
--- a/src/opengl/mesh-gl.h
+++ b/src/opengl/mesh-gl.h
@@ -16,6 +16,12 @@ private:
        int num_vertices;
        int num_indices;
 
+       void update_vbo();
+
+       /* used by draw_normals to debug stuff: */
+       mutable unsigned int nvao;
+       mutable unsigned int nvbo;
+
 public:
        MeshGL();
        MeshGL(const MeshGL &mesh);
@@ -24,10 +30,10 @@ public:
        virtual ~MeshGL();
 
        virtual void draw() const override;
+       virtual void draw_normals(float scale) const override;
        virtual void update_vertex_data() override;
 
-       void update_vbo();
        void destroy_vbo();
 };
 
-#endif // MESH_GL_H_
+#endif // MESH_GL_H_
\ No newline at end of file