public void toggleFullscreen(){
        long newWindow;
        fullscreen = !fullscreen;
        if(fullscreen){
            newWindow = glfwCreateWindow(windowWidth, windowHeight, "Title", glfwGetPrimaryMonitor(), window.getWindowHandle());
            glfwMakeContextCurrent( newWindow );
        }else{
            newWindow = glfwCreateWindow(windowWidth, windowHeight, "Title", NULL, windowHandle());
            glfwMakeContextCurrent( newWindow );
        }
        glfwDestroyWindow(window.getWindowHandle());
        windowHandle = newWindow;

        glfwMakeContextCurrent(windowHandle);
        glfwSwapInterval(1);
        glfwShowWindow(windowHandle);
        GLContext.createFromCurrent();

        GL11.glEnable(GL11.GL_TEXTURE_2D);
        glClearColor(0.0f, 1.0f, 0.0f, 0.0f);

        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

        GL11.glViewport(0,0,windowWidth,windowHeight);
        GL11.glOrtho(0, windowWidth, windowHeight, 0, 1, -1);
        GL11.glMatrixMode(GL11.GL_MODELVIEW);

        game.initInputPolling();
    }

public Window(int width, int height, String title, boolean fullScreen) {
    this.fullScreen = fullScreen;
    Window.height = height;
    Window.width = width;

    if (!glfwInit()) {
        System.err.println("Failed to initialize GLFW");
        System.exit(1);
    }
    GLFWVidMode vidMode = glfwGetVideoMode(glfwGetPrimaryMonitor());

    window = glfwCreateWindow(fullScreen ? vidMode.width() : width, fullScreen ? vidMode.height() : height, title, fullScreen ? glfwGetPrimaryMonitor() : 0, 0);

    if (!fullScreen) {
        glfwSetWindowPos(window, (vidMode.width() - width) / 2, (vidMode.height() - height) / 2);
    } else {
        this.width = vidMode.width();
        this.height = vidMode.height();
    }

    glfwMakeContextCurrent(window);

    createCapabilities();
}