#ifndef Squircle_h_
#define Squircle_h_

#include "glm/glm.hpp"
#include "SDL.h"
#include "Game.hpp"
#include "filesystem.hpp"

class Squircle : public Game
{

private:

    enum Mode : bool
    {
        SQUIRCLE,
        UNSQUIRCLE
    };

    enum Spin
    {
        NEGATIVE = -1,
        NONE,
        POSITIVE = 1
    };

    GLuint base_texture_shader_location = 0, base_texture_id = 0, flat_program = 0, unmapped_vao = 0, mapped_vao = 0,
        mode_uniform_location = 0, transformation_uniform_location = 0;
    int circle_vertices_count = 0, image_index = 0;
    Mode mode = Mode::SQUIRCLE;
    glm::mat4 transformation = glm::mat4(1.0f);
    Spin spin_z = Spin::NONE, spin_x = Spin::NONE;

    typedef Game super;
    void load_gl_context();
    GLuint load_file_into_texture(fs::path) const;
    void load_image_index(int);
    void update();

public:

    Squircle();
    void respond(SDL_Event&);

};

#endif