Add rectangle genes

src/Genes.cpp

@@ -30,6 +30,9 @@ Gene* Gene::create(GeneType type)
 		case Gene::Triangle:
 			gene = new GeneTriangle();
 			break;
+		case Gene::Rectangle:
+			gene = new GeneRectangle();
+			break;
 	}
 	
 	gene->randomize();
@@ -44,6 +47,8 @@ Gene* Gene::copy(Gene* gene)
 			return new GeneCircle(*static_cast<GeneCircle*>(gene));
 		case Gene::Triangle:
 			return new GeneTriangle(*static_cast<GeneTriangle*>(gene));
+		case Gene::Rectangle:
+			return new GeneRectangle(*static_cast<GeneRectangle*>(gene));
 	}
 	
 	return nullptr;
@@ -232,16 +237,89 @@ void GeneTriangle::mutate()
 	
 	switch (choicedist(*Gene::re)) {
 		case 0:
-			Gene::mutatePosition(this->pos1, this->stddev_position);
+			Gene::mutatePosition(this->pos1, GeneTriangle::stddev_position);
 			break;
 		case 1:
-			Gene::mutatePosition(this->pos2, this->stddev_position);
+			Gene::mutatePosition(this->pos2, GeneTriangle::stddev_position);
 			break;
 		case 2:
-			Gene::mutatePosition(this->pos3, this->stddev_position);
+			Gene::mutatePosition(this->pos3, GeneTriangle::stddev_position);
 			break;
 		case 3:
-			Gene::mutateColor(this->color, this->stddev_color);
+			Gene::mutateColor(this->color, GeneTriangle::stddev_color);
 			break;
 	}
 }
+
+
+
+// GeneRectangle
+float GeneRectangle::stddev_position = .1;
+float GeneRectangle::stddev_color = 20;
+sf::RectangleShape GeneRectangle::rectangle;
+
+
+GeneRectangle::GeneRectangle()
+{
+	this->type = Gene::Rectangle;
+}
+
+
+GeneRectangle::~GeneRectangle()
+{
+}
+
+
+void GeneRectangle::draw(sf::RenderTarget& target, sf::RenderStates states) const
+{
+	GeneRectangle::rectangle.setPosition(this->topleft);
+	GeneRectangle::rectangle.setSize(this->botright - this->topleft);
+	
+	GeneRectangle::rectangle.setFillColor(this->color);
+	
+	target.draw(GeneRectangle::rectangle, states);
+}
+
+
+void GeneRectangle::randomize()
+{
+	Gene::randomizePosition(this->topleft);
+	Gene::randomizePosition(this->botright);
+	
+	Gene::randomizeColor(this->color);
+}
+
+
+void GeneRectangle::mutate()
+{
+	std::uniform_int_distribution<> choicedist(0, 2);
+	
+	switch (choicedist(*Gene::re)) {
+		case 0:
+			Gene::mutatePosition(this->topleft, GeneRectangle::stddev_position);
+			break;
+		case 1:
+			Gene::mutatePosition(this->botright, GeneRectangle::stddev_position);
+			break;
+		case 2:
+			Gene::mutateColor(this->color, GeneRectangle::stddev_color);
+			break;
+	}
+}
+
+
+sf::FloatRect GeneRectangle::rect()
+{
+	sf::Vector2f tl;
+	sf::Vector2f br;
+	
+	tl.x = std::min(this->topleft.x, this->botright.x);
+	br.x = std::max(this->topleft.x, this->botright.x);
+	
+	tl.y = std::min(this->topleft.y, this->botright.y);
+	br.y = std::max(this->topleft.y, this->botright.y);
+	
+	br -= tl;  // br is now size
+	
+	return sf::FloatRect(tl, br);
+}

src/Genes.hpp

@@ -15,7 +15,8 @@ public:
 	enum GeneType
 	{
 		Circle,
-		Triangle
+		Triangle,
+		Rectangle
 	};
 	
 	static Gene* create(GeneType type);
@@ -86,3 +87,29 @@ private:
 	sf::Vector2f pos3;
 	sf::Color color;
 };
+
+
+
+class GeneRectangle : public Gene
+{
+public:
+	static float stddev_position;
+	static float stddev_color;
+	
+	GeneRectangle();
+	virtual ~GeneRectangle();
+	
+	virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const;
+	virtual void randomize();
+	virtual void mutate();
+	
+private:
+	static sf::RectangleShape rectangle;
+	
+	sf::Vector2f topleft;
+	sf::Vector2f botright;
+	
+	sf::Color color;
+	
+	sf::FloatRect rect();
+};

src/Screens.cpp

@@ -23,7 +23,7 @@ ScreenSetup::ScreenSetup(Control* controlptr) :
 	Screen(controlptr),
 	offset(20, 20),
 	distance(30),
-	items(4)
+	items(5)
 {
 	this->selection = 0;
 	
@@ -131,8 +131,9 @@ void ScreenSetup::executeItem(int position)
 	switch (position) {
 		case 0: Chromosome::toggleGeneType(Gene::Circle); break;
 		case 1: Chromosome::toggleGeneType(Gene::Triangle); break;
-		case 2: break; // spacing placeholder
+		case 2: Chromosome::toggleGeneType(Gene::Rectangle); break;
-		case 3:
+		case 3: break; // spacing placeholder
+		case 4:
 			if (Chromosome::isAnyGeneTypeAllowed()) {
 				this->control->switchScreen(this->control->screenGenerations);
 			} else {
@@ -157,9 +158,15 @@ void ScreenSetup::drawMenu(sf::RenderTarget& target, sf::RenderStates states) co
 	position.y += this->distance;
 	
 	this->drawMenuItem(
-		target, states, position, "Triangle genes:",
+		target, states, position, "Triangle genes: ",
 		Chromosome::isGeneTypeAllowed(Gene::Triangle)?"x":" "
 	);
+	position.y += this->distance;
+	
+	this->drawMenuItem(
+		target, states, position, "Rectangle genes:",
+		Chromosome::isGeneTypeAllowed(Gene::Rectangle)?"x":" "
+	);
 	position.y += 2*this->distance;
 	
 	this->drawMenuItem(