@Override
public void setScreen(Screen screen) {
if (screen == null) throw new IllegalArgumentException("Screen must not be null");
// free asset resources
if (this.screen.assets != null) {
this.screen.assets.freeAssets();
this.screen.assets = null;
}
// clear the current screen
this.screen.pause();
this.screen.dispose();
this.screen = null;
screen.resume();
screen.update(0); // update the new screen w no delay before we set the current screen
this.screen = screen;
}
