anchor.diff:    LineSegment(this.start, this.end);
     // Might as well use Vector3s to get depth, this is just easier to work with for now
     int depth;
  -  bool visible = true;
  +  bool hidden = false;
     bool intersects = false;
     
     // Assumes point is on line
  
positive.code:   String toString() {
      String out = "";
      for (LineSegment line in Line) {
        out += line.toString() + " (" + (line.visible ? "visible" : "not visible") + ")";
      }
      return out;
    }
  }
  
  
negative.code: 
  Mesh mesh;
  
  bool hideTest = true;
  
  void main() {
    init();
    render(0.0);
  