Method window_size_callback

src/main.cpp:123–126

    }

    static void window_size_callback(GLFWwindow *window, int width, int height) {
        Config::get().resX = width;
        Config::get().resY = height;
    }

    bool InitOpenGL(int resolutionX, int resolutionY, const std::string &windowName) {
        // Initialise GLFW