diff --git a/MiniEngine.cpp b/MiniEngine.cpp
index 58d0844..7069156 100644
--- a/MiniEngine.cpp
+++ b/MiniEngine.cpp
@@ -403,6 +403,11 @@ namespace MiniEngine
 		return t;
 	}
 
+	bool Renderer::isReady()
+	{
+		return (rnd.get() != nullptr);
+	}
+
 	Window::Window(std::string Title, int Width, int Height, std::initializer_list<RendererType> RendererFlags) throw(ErrorViewer)
 	{
 		SDL_Window* temp = SDL_CreateWindow(Title.c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_WINDOW_SHOWN);
diff --git a/MiniEngine.h b/MiniEngine.h
index 4bf3fae..cac60d0 100644
--- a/MiniEngine.h
+++ b/MiniEngine.h
@@ -163,9 +163,8 @@ namespace MiniEngine
 		Texture loadTexture(std::string FileName) throw(ErrorViewer);
 		Texture createTexture(int Width, int Height) throw(ErrorViewer);
 
-	protected:
-		/// This function is called by class Window ONLY.
 		Renderer() = default;
+		bool isReady();
 	private:
 		std::shared_ptr<SDL_Renderer> rnd;
 		friend class Window;