From 075b35d5d03fe1a253cfe86d29a6e0bd19fbb3f3 Mon Sep 17 00:00:00 2001
From: Joscha <brummer@migejolise.de>
Date: Sun, 30 Apr 2017 11:34:42 +0000
Subject: [PATCH] Use faster random engine

---
 src/Chromosome.cpp | 4 ++--
 src/Chromosome.hpp | 2 +-
 src/Generation.cpp | 2 +-
 src/Generation.hpp | 2 +-
 src/main.cpp       | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/Chromosome.cpp b/src/Chromosome.cpp
index a3fb75d..ab50e8a 100644
--- a/src/Chromosome.cpp
+++ b/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);
 }
 
 
diff --git a/src/Chromosome.hpp b/src/Chromosome.hpp
index 1e6ac2d..b72ab57 100644
--- a/src/Chromosome.hpp
+++ b/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
diff --git a/src/Generation.cpp b/src/Generation.cpp
index ee5e1ae..01bc089 100644
--- a/src/Generation.cpp
+++ b/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()
diff --git a/src/Generation.hpp b/src/Generation.hpp
index bfebb78..f09eb97 100644
--- a/src/Generation.hpp
+++ b/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();
 	
diff --git a/src/main.cpp b/src/main.cpp
index 3f02b4b..462975d 100644
--- a/src/main.cpp
+++ b/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;