Clean up fitness related parts

src/Fitness.hpp

@@ -8,10 +8,10 @@
 class Fitness
 {
 public:
-	Fitness(sf::Texture target, float scale=1);
+	Fitness(sf::Texture target);
 	bool loadShader(std::string filename);
 	
-	unsigned long long of(Chromosome chr);
+	unsigned long long of(const Chromosome& chr);
 	
 	sf::Texture target;      // base image to compare against
 	sf::RenderTexture tex;   // big RenderWindow containg the Chromosome to be evaluated
@@ -21,7 +21,5 @@ public:
 	bool horizontal;
 	
 private:
-// 	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
 };