fixed terrain rendering - visualized normals

[demo] / src / mesh.h

diff --git a/src/mesh.h b/src/mesh.h
index ed40f5d..82f5c48 100644 (file)
--- a/src/mesh.h
+++ b/src/mesh.h
@@ -29,6 +29,7 @@ public:
        virtual ~Mesh() = 0;
 
        virtual void draw() const = 0;
+       virtual void draw_normals(float scale) const = 0;
        virtual void update_vertex_data() = 0;
 };