while(!Display.isCloseRequested()) {
            if(Display.wasResized()) {
                System.out.println(Display.getWidth() + " " + Display.getHeight());
                glOrtho(0, Display.getWidth(), Display.getHeight(), 0, -1, 1);
            }

            glClearColor(0, 0, 1, 1);
            glClear(GL_COLOR_BUFFER_BIT);

            if(Keyboard.isKeyDown(Keyboard.KEY_RIGHT))
                x++;
            else if(Keyboard.isKeyDown(Keyboard.KEY_LEFT))
                x--;

            if(Keyboard.isKeyDown(Keyboard.KEY_DOWN))
                y++;
            else if(Keyboard.isKeyDown(Keyboard.KEY_UP))
                y--;

            glColor3f(1, 0, 0);
            glBegin(GL_TRIANGLES);
                glVertex2f(x, y);
                glVertex2f(x + 50, y);
                glVertex2f(x + 30, y + 30);
            glEnd();

            Display.update();
            Display.sync(60);
        }