dasdasdsad

#include <SDL2/SDL.h>
#include <GL/glew.h>
#include <GL/glu.h>

class GL3Engine {
    private:
        SDL_Window* window;

    public:
        bool initialize() {
            SDL_Init (SDL_INIT_VIDEO);
            window = SDL_CreateWindow(
                    "Debug",
                    SDL_WINDOWPOS_UNDEFINED,
                    SDL_WINDOWPOS_UNDEFINED,
                    444,
                    444,
                    SDL_WINDOW_OPENGL
                            );
            return true;
        }
        void initContext() {
            glewExperimental = GL_TRUE;
            glewInit();

            SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
            SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);

            SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
            SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);

            glEnable (GL_DEPTH_TEST);
            glDepthFunc (GL_LESS);

            glEnable (GL_BLEND);
            glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

            glClearColor(0, 0, 0, 1);
        }
        void run() {
            SDL_GLContext gl = SDL_GL_CreateContext(window);
            SDL_Event event;

            initContext();

            while (true) {
                while (SDL_PollEvent(&event))
                    switch (event.type) {
                        case SDL_KEYDOWN:
                            switch (event.key.keysym.sym) {
                                case SDLK_LEFT:
                                    break;

                                case SDLK_RIGHT:
                                    break;

                                case SDLK_UP:
                                    break;

                                case SDLK_DOWN:
                                    break;
                            }
                            break;

                            case SDL_QUIT:
                                return;
                                break;
                    }
                glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

                SDL_GL_SwapWindow(window);
            }
            SDL_GL_DeleteContext(gl);
        }

        ~GL3Engine() {
            SDL_DestroyWindow(window);
            SDL_Quit();
        }
};
int main() {
    GL3Engine e;
    e.initialize();
    e.run();
}