Attempt to implement faster comparison algorithm

src/Fitness.hpp

@@ -17,8 +17,11 @@ public:
 	sf::RenderTexture tex;   // big RenderWindow containg the Chromosome to be evaluated
 	sf::RenderTexture comp;  // smaller RenderWindow which is downloaded as Image
 	
+	sf::VertexArray dummy;
+	bool horizontal;
+	
 private:
-	sf::Sprite sprite;    // sprite to render tex to comp
+// 	sf::Sprite sprite;    // sprite to render tex to comp
 	sf::Shader compshdr;  // shader to perform pixel-wise image diff with
 	sf::View view;        // reduces tex to comp size while drawing
 };