public static void updateControl() {
    if (control == null) {
      return;
    }

    if (Keyboard.isKeyDown(forwardKey)) {
      control.forward();
    }

    if (Keyboard.isKeyDown(backwardKey)) {
      control.backward();
    }

    if (Keyboard.isKeyDown(leftKey)) {
      control.left();
    }

    if (Keyboard.isKeyDown(rightKey)) {
      control.right();
    }

    if (Keyboard.isKeyDown(upKey)) {
      control.up();
    }

    if (Keyboard.isKeyDown(downKey)) {
      control.down();
    }
  }