From 27b51e8c35e62183583a80a8689591fdbaf031f9 Mon Sep 17 00:00:00 2001
From: xAlpharax <42233094+xAlpharax@users.noreply.github.com>
Date: Sat, 2 Sep 2023 15:41:23 +0300
Subject: Initial migration of the project. It does work but would require some
 documentation.

Changes to be committed:
      new file:   LorenzAttractor.cpp
      new file:   LorenzAttractor.h
      modified:   README.md
      new file:   main.cpp
      new file:   run.sh
      new file:   vectormath.h
---
 LorenzAttractor.h | 111 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 LorenzAttractor.h

(limited to 'LorenzAttractor.h')

diff --git a/LorenzAttractor.h b/LorenzAttractor.h
new file mode 100644
index 0000000..9ebb1cb
--- /dev/null
+++ b/LorenzAttractor.h
@@ -0,0 +1,111 @@
+#include "vectormath.h"
+
+#include <random>
+#include <string>
+#include <SFML/Graphics.hpp>
+
+class LorenzAttractor
+{
+private:
+	sf::Event event;
+	sf::Clock clock;
+
+	double input_timer = 0;
+	double timestep;
+
+	float g_screenWidth = 1920;
+	float g_screenHeight = 1080;
+
+	bool isFullscreen = true;
+	bool endSubProgram = false;
+
+	sf::View view;
+
+	// Camera values
+	sf::Vector3f cam_position = { 0, 0, -50 };
+	std::vector<float> cam_angle = { 0, 0, 0 };
+	sf::Vector3f display_position = { 0, 0, 100 };
+
+	std::vector<sf::Vector3f> point;
+	sf::Vector2f projected_point;
+
+	// Attractor parameters
+	unsigned u = 0;
+	std::vector<std::vector<float>> params;
+
+	// Rotation Matrices
+	Matrix3<float> rotMatrixX;
+	Matrix3<float> rotMatrixY;
+	Matrix3<float> rotMatrixZ;
+
+	// Visual assets
+	std::vector<std::vector<sf::Vector3f>> trail; // Contains "num_points" many "trail_length" previous coordinates
+	std::vector<unsigned> j;					  // Indices of the last position drawn (algorithm for drawing trails without reallocating memory)
+	sf::VertexArray line;						  // Line object to be drawn
+	std::vector<sf::CircleShape> circle;
+	std::vector<sf::Color> colours;
+	std::vector<std::vector<float>> trail_colours_params;
+
+	// Visual parameters
+	unsigned num_points = 300;
+	unsigned trail_length = 100;
+	float speed = 1.f;
+
+	// Constants
+	float pi = 3.141592653589f;
+
+	// Names per attractor
+	sf::Text text;
+	sf::Font font;
+	std::vector<std::string> names =
+	{
+		"Lorenz Attractor",
+		"3-Cells CNN Attractor",
+		"Aizawa Attractor",
+		"Bouali Attractor",
+		"Chen-Lee Attractor",
+		"Halvorsen Attractor",
+		"Finance Attractor",
+		"Newton-Leipnik Attractor",
+		"Nose-Hoover Attractor",
+		"Thomas Attractor"
+	};
+
+public:
+	LorenzAttractor();
+
+	sf::Uint8 clamp(float x)
+	{
+		if (x <= 0)
+			return 0;
+		else if (x >= 255)
+			return 255;
+		else return static_cast<sf::Uint8>(x);
+	}
+
+	float getRandomNumber(float MIN, float MAX)
+	{
+		std::random_device device;
+		std::mt19937 generator(device());
+		std::uniform_real_distribution<float> distribution(MIN, MAX);
+		return distribution(generator);
+	}
+
+	int getRandomNumber(int MIN, int MAX)
+	{
+		std::random_device device;
+		std::mt19937 generator(device());
+		std::uniform_int_distribution<int> distribution(MIN, MAX);
+		return distribution(generator);
+	}
+
+	void input(sf::RenderWindow &window);
+
+	void update();
+
+	void draw(sf::RenderWindow &window);
+
+	void run(sf::RenderWindow &window);
+
+	~LorenzAttractor();
+};
-- 
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