1 files changed, 5 insertions, 1 deletions
diff --git a/Renderer.h b/Renderer.h
index 4c29b0f..1637904 100644
--- a/Renderer.h
+++ b/Renderer.h
@@ -14,6 +14,8 @@ class Renderer {
     EditManager *editManager;
     
     void drawGrid(const Rectangle &rect, float scale);
+    
+  protected:
     void fillPolygon(const Polygon &polygon);
     void drawPolygon(const Polygon &polygon, bool close = true);
     void drawCircle(const Vertex &m, float r, int n);
@@ -29,7 +31,9 @@ class Renderer {
       this->editManager = editManager;
     }
     
-    void render(const Level &level, const Rectangle &rect, float scale);
+    virtual ~Renderer() {}
+    
+    virtual void render(const Level &level, const Rectangle &rect, float scale);
 };
 
 #endif /*RENDERER_H_*/