Add Chromosome class and plan more stuff

src/Chromosome.cpp

@@ -0,0 +1,57 @@
+#include "Chromosome.hpp"
+
+
+
+/*
+class Chromosome : public sf::Drawable
+{
+public:
+	Chromosome();  // create empty chromosome
+	Chromosome(Chromosome& father, Chromosome& mother);  // cross over two chromosomes
+	
+	void mutate();  // randomly mutate chromosome's genes
+	
+	virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const;
+	
+private:
+	struct Gene
+	{
+		sf::Vector2f position;
+		float size;
+		sf::Color color;
+	};
+	
+	sf::CircleShape circle;  // drawing the chromosome, one draw call at a time
+	std::vector<Gene> genes;
+};
+*/
+
+Chromosome::Chromosome()
+{
+	// this->genes is already empty
+};
+
+Chromosome::Chromosome(Chromosome& father, Chromosome& mother) {
+	// randomly swap father and mother
+	if (/*TODO: random bool*/ false) {
+		Chromosome& tmp = father;
+		father = mother;
+		mother = tmp;
+	}
+	
+	// replace random segment of mother with random segment of father
+	
+	// TODO: in seperate function:
+	// finding random segment:
+	// randomly find starting position, then length
+	// find starting iterator, then end iterator
+	
+	// using function from above:
+	// find father segment: f_start, f_stop (iterators)
+	// find mother segment: m_start, m_stop (iterators)
+	
+	// RIGHT:
+	// append mother until m_start
+	// append father from f_start to f_end
+	// append mother from m_end
+}