quickhull/Display.h

#pragma once
#ifndef DISPLAY_H

// make sure sfml is installed:
// linux - sudo apt-get install libsfml-dev
// windows - manual dl from https://www.sfml-dev.org/download.php
#include <SFML/Graphics.hpp>
//#include <list>

#include "Line.h"

#define OFFSET 10.f
#define WIDTH 800
#define HEIGHT 600

class Display
{
private:
    int m_stepSize;
    bool m_useAkl;

    sf::Font m_font;
    sf::Text m_textStatus;

    std::vector<sf::CircleShape> m_points;
    std::vector<sf::Text> m_labels;
    std::vector<sf::CircleShape> m_hullPoints;

    std::vector<Line> m_lines;
    //std::list<Line> m_lines;
    //Line *m_curLine = nullptr; // get any value if the underlying vector gets resized and moved in memory -> thus, use list
    Line m_curLine;              // -> either make a copy
    int m_curLineIdx = -1;       //    or just use index

    unsigned int m_step = 0;

    void setCurrentLine();
    void update();
    void render(sf::RenderWindow &);

public:
    Display(const std::vector<Point> &, int stepSize = 0, bool akl = false);

    void show();
};
#endif // DISPLAY_H