@Override
  public boolean act(float timeDelta) {
    boolean rueckgabe = true;

    rueckgabe &= moveToAction.act(timeDelta);
    rueckgabe &= scaleToAction.act(timeDelta);

    return rueckgabe;
  }
 @Override
 public void setActor(Actor actor) {
   super.setActor(actor);
   moveToAction.setActor(actor);
   scaleToAction.setActor(actor);
 }
 public void setDuration(float duration) {
   moveToAction.setDuration(duration);
   scaleToAction.setDuration(duration);
 }
 public void setScale(float x) {
   scaleToAction.setScale(x);
 }