anchor.diff:    }
   
     void handleEvent(Event event, _SpriteBoxHitTestEntry entry) {
  +    if (!attached) return;
  +
       if (event is PointerEvent) {
   
         if (event.type == 'pointerdown') {
  
positive.code:         break;
      }
  
      _transformMatrix.translate(offsetX, offsetY);
      _transformMatrix.scale(scaleX, scaleY);
  
      return _transformMatrix;
    }
  
    void _invalidateTransformMatrix() {
      _transformMatrix = null;
      _rootNode._invalidateToBoxTransformMatrix();
    }
  
negative.code: 
      // Add new references
      _addSpriteBoxReference(_rootNode);
      markNeedsLayout();
    }
  
    // Tracking of frame rate and updates
  