Use faster random engine

src/Chromosome.cpp

@@ -21,13 +21,13 @@ sf::Vector2f Chromosome::size(0, 0);
 float Chromosome::stddev_position = .1;
 float Chromosome::stddev_radius = .1;
 float Chromosome::stddev_color = 20;
-std::mt19937_64* Chromosome::re;
+std::minstd_rand* Chromosome::re;
 
 
 Chromosome::Chromosome()
 {
 	// this->genes is already empty
-	this->circle.setPointCount(50);
+	this->circle.setPointCount(36);
 }
 
 

src/Chromosome.hpp

@@ -15,7 +15,7 @@ public:
 	static float stddev_position;  // percent of max_radius
 	static float stddev_radius;    // percent of max_radius
 	static float stddev_color;
-	static std::mt19937_64* re;
+	static std::minstd_rand* re;
 	
 	Chromosome();  // create empty chromosome
 	Chromosome(Chromosome& father, Chromosome& mother);  // crossover

src/Generation.cpp

@@ -5,7 +5,7 @@
 size_t Generation::size = 500;
 size_t Generation::living = Generation::size*0.25;
 Fitness* Generation::fitness;
-std::mt19937_64* Generation::re;
+std::minstd_rand* Generation::re;
 
 
 Generation::Generation()

src/Generation.hpp

@@ -13,7 +13,7 @@ public:
 	static size_t size;
 	static size_t living;
 	static Fitness* fitness;
-	static std::mt19937_64* re;
+	static std::minstd_rand* re;
 	
 	Generation();
 	

src/main.cpp

@@ -112,7 +112,7 @@ int main()
 {
 	const float winW = 480;
 	const float winH = 480;
-	std::mt19937_64 randomEngine;
+	std::minstd_rand randomEngine;
 	randomEngine.seed(time(nullptr));
 	
 	sf::Texture target;