@Override
 protected void onModifierFinished(IEntity pItem) {
   pItem.setAlpha(orginalAlpha * (finalValue / 100f));
   super.onModifierFinished(pItem);
 }
 @Override
 protected void onModifierStarted(IEntity pItem) {
   super.onModifierStarted(pItem);
   orginalAlpha = pItem.getAlpha();
   startValue = 100f;
 }