public void setActive(bool active)
 {
     if (mBackTile != null && mBackTile.isActive() != active)
     {
         mBackTile.setActive(active);
     }
     if (mMidTile != null && mMidTile.isActive() != active)
     {
         mMidTile.setActive(active);
     }
     if (mObjectTile != null && mObjectTile.isActive() != active)
     {
         mObjectTile.setActive(active);
     }
     if (mEffect != null && mEffect.isActive() != active)
     {
         mEffect.setActive(active);
     }
 }