anchor.diff:    @override
     void invalidatePath() {}
   
  +  @override
     ActorComponent makeInstance(ActorArtboard resetArtboard) {
       ActorRectangle instance = ActorRectangle();
       instance.copyRectangle(this, resetArtboard);
  
positive.code: import "actor_artboard.dart";
  import "actor_node.dart";
  import "math/vec2d.dart";
  import "stream_reader.dart";
  import "actor_path.dart";
  import "path_point.dart";
  import "actor_component.dart";
  
  const double CircleConstant = 0.55;
  
  class ActorRectangle extends ActorProceduralPath {
    double _radius = 0.0;
  
negative.code: 
    @override
    List<PathPoint> get points {
      double halfWidth = width / 2;
      double halfHeight = height / 2;
      double renderRadius = min(_radius, min(halfWidth, halfHeight));
      List<PathPoint> _rectanglePathPoints = <PathPoint>[];
      _rectanglePathPoints.add(StraightPathPoint.fromValues(
          Vec2D.fromValues(-halfWidth, -halfHeight), renderRadius));
      _rectanglePathPoints.add(StraightPathPoint.fromValues(
          Vec2D.fromValues(halfWidth, -halfHeight), renderRadius));
      _rectanglePathPoints.add(StraightPathPoint.fromValues(
          Vec2D.fromValues(halfWidth, halfHeight), renderRadius));
      _rectanglePathPoints.add(StraightPathPoint.fromValues(
          Vec2D.fromValues(-halfWidth, halfHeight), renderRadius));
  
      return _rectanglePathPoints;
    }
  