tutorial 1 and 2

engine/inc/renderer/2d/renderer_2d.hpp

@@ -21,7 +21,8 @@ class Renderer2D {
   ~Renderer2D();
 
   void init(RendererCore* rendererCore);
-  void render(Sprite* sprite);
+  void render(const Sprite* sprite);
+  void render(const Sprite& sprite);
 
  private:
   RendererCore* core;