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Author: borbrudar

GeneticAlgorithm/Brain.cpp

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+#include "Brain.h"
+#include <algorithm>
+
+void Brain::randomize()
+{
+	std::random_device rd;
+	std::default_random_engine generator(rd()); // rd() provides a random seed
+	std::uniform_real_distribution<float> distribution(0.0, 360.0f);
+
+	for (std::size_t i = 0; i < _directions.size(); ++i) {
+		float randomAngle = distribution(generator);
+		_directions[i].x = 2.5f * std::cos(randomAngle * (3.14159f / 180.0f)); 
+		_directions[i].y = 2.5f * std::sin(randomAngle * (3.14159f / 180.0f));
+	}
+}
+
+
+void Brain::mutate()
+{
+
+	//--------------------
+	std::random_device rd;
+	std::default_random_engine generator(rd()); // rd() provides a random seed
+	std::uniform_real_distribution<float> angle(0.0, 360.0f);
+	std::uniform_real_distribution<float> dist(0.0, 1.0f);
+
+	float mutationRate = 0.01f;//chance that any vector in directions gets changed
+	for (std::size_t i = 0; i < _directions.size(); ++i) {
+		float rand = dist(generator);
+		if (rand < mutationRate) {
+			//set this direction as a random direction
+			float randomAngle = angle(generator);
+			_directions[i].x = 2.5f * std::cos(randomAngle * (3.14159f / 180.0f));
+			_directions[i].y = 2.5f * std::sin(randomAngle * (3.14159f / 180.0f));
+		}
+	}
+}
+
+
+Brain Brain::clone()
+{
+	std::size_t size = _directions.size();
+	Brain clone{ (int)size };
+	for (std::size_t i = 0; i < _directions.size(); ++i) {
+		clone._directions[i] = _directions[i];
+	}
+	return clone;
+}

GeneticAlgorithm/Brain.h

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+#pragma once
+#include <SFML/Graphics.hpp>
+#include <vector>
+#include <cmath>
+#include <cstdlib>
+#include <random>
+
+using namespace sf;
+class Brain {
+public:
+	std::size_t step = 0;
+	Brain(int size) : _directions{ size }
+	{
+		//-------------------------
+		randomize();
+	}
+	std::vector<Vector2f> _directions;
+	void randomize();
+	void mutate();
+	Brain clone();
+
+};

GeneticAlgorithm/Debug/Brain.obj

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+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\vc141.pdb
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\vc141.idb
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\source.obj
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\population.obj
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\dot.obj
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\brain.obj
+c:\users\dušan\source\repos\geneticalgorithm\debug\geneticalgorithm.exe
+c:\users\dušan\source\repos\geneticalgorithm\debug\geneticalgorithm.ilk
+c:\users\dušan\source\repos\geneticalgorithm\debug\geneticalgorithm.pdb
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\geneticalgorithm.tlog\cl.command.1.tlog
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\geneticalgorithm.tlog\cl.read.1.tlog
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\geneticalgorithm.tlog\cl.write.1.tlog
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\geneticalgorithm.tlog\link.command.1.tlog
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\geneticalgorithm.tlog\link.read.1.tlog
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\debug\geneticalgorithm.tlog\link.write.1.tlog

GeneticAlgorithm/Debug/Dot.obj

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+  Dot.cpp
+  Population.cpp
+c:\users\dušan\source\repos\geneticalgorithm\geneticalgorithm\population.cpp(18): warning C4018: '>': signed/unsigned mismatch
+  Generating Code...
+  GeneticAlgorithm.vcxproj -> c:\Users\Dušan\source\repos\GeneticAlgorithm\Debug\GeneticAlgorithm.exe

GeneticAlgorithm/Debug/GeneticAlgorithm.Build.CppClean.log

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+#TargetFrameworkVersion=v4.0:PlatformToolSet=v141:EnableManagedIncrementalBuild=false:VCToolArchitecture=Native32Bit:WindowsTargetPlatformVersion=10.0.17134.0
+Debug|Win32|c:\Users\Dušan\source\repos\GeneticAlgorithm\|