public static void destroy()
 {
     GameObject.Destroy(mInstance.gameObject);
     mInstance = null;
 }
        protected new void Start()
        {
            if (mInstance == null)
            {
                base.Start();

                mFrontSide.activate();
                mBackSide.deactivate();

                mInstance = this;
            }
            else
                GameObject.Destroy(gameObject);
        }