public static void load(GLGame game) {
    background = new Texture(game, "background.jpg", true);
    backgroundRegion = new TextureRegion(background, 0, 0, 480, 320);
    items = new Texture(game, "items.png", true);
    logoRegion = new TextureRegion(items, 0, 256, 384, 128);
    menuRegion = new TextureRegion(items, 0, 128, 224, 64);
    gameOverRegion = new TextureRegion(items, 224, 128, 128, 64);
    pauseRegion = new TextureRegion(items, 0, 192, 160, 64);
    settingsRegion = new TextureRegion(items, 0, 160, 224, 32);
    touchRegion = new TextureRegion(items, 0, 384, 64, 64);
    accelRegion = new TextureRegion(items, 64, 384, 64, 64);
    touchEnabledRegion = new TextureRegion(items, 0, 448, 64, 64);
    accelEnabledRegion = new TextureRegion(items, 64, 448, 64, 64);
    soundRegion = new TextureRegion(items, 128, 384, 64, 64);
    soundEnabledRegion = new TextureRegion(items, 190, 384, 64, 64);
    leftRegion = new TextureRegion(items, 0, 0, 64, 64);
    rightRegion = new TextureRegion(items, 64, 0, 64, 64);
    fireRegion = new TextureRegion(items, 128, 0, 64, 64);
    pauseButtonRegion = new TextureRegion(items, 0, 64, 64, 64);
    font = new Font(items, 224, 0, 16, 16, 20);

    explosionTexture = new Texture(game, "explode.png", true);
    TextureRegion[] keyFrames = new TextureRegion[16];
    int frame = 0;
    for (int y = 0; y < 256; y += 64) {
      for (int x = 0; x < 256; x += 64) {
        keyFrames[frame++] = new TextureRegion(explosionTexture, x, y, 64, 64);
      }
    }
    explosionAnim = new Animation(0.1f, keyFrames);

    shipTexture = new Texture(game, "ship.png", true);
    shipModel = ObjLoader.load(game, "ship.obj");
    invaderTexture = new Texture(game, "invader.png", true);
    invaderModel = ObjLoader.load(game, "invader.obj");
    shieldModel = ObjLoader.load(game, "shield.obj");
    shotModel = ObjLoader.load(game, "shot.obj");

    music = game.getAudio().newMusic("music.mp3");
    music.setLooping(true);
    music.setVolume(0.5f);
    if (Settings.soundEnabled) music.play();

    clickSound = game.getAudio().newSound("click.ogg");
    explosionSound = game.getAudio().newSound("explosion.ogg");
    shotSound = game.getAudio().newSound("shot.ogg");
  }
 public static void reload() {
   background.reload();
   items.reload();
   explosionTexture.reload();
   shipTexture.reload();
   invaderTexture.reload();
   if (Settings.soundEnabled) music.play();
 }