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#include <SFML/Graphics.hpp>
#include "vectormath.h"
#include <string>
#include <random>
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 = 500;
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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