if (e.type == SDL_WINDOWEVENT) {
            switch (e.window.event) {
            case SDL_WINDOWEVENT_MAXIMIZED:
                    setWidth(e.window.data1);
                    setHeight(e.window.data2);
                break;
                case SDL_WINDOWEVENT_SIZE_CHANGED:
                    glViewport(0, 0, e.window.data1, e.window.data2);
                    setWidth(e.window.data1);
                    setHeight(e.window.data2);
                    break;
            }
        }