I'm doing some complex clipping of multiple Reflections to ensure that the transparent reflections don't partially mix with each other. I'm using clips for this. I use one cumulative clip that gets expanded with each reflection drawn. This cumulative clip then must be applied to a Node. Since the cumulative clip will be different for each Node (as it depends on their front-to-back order), I must make a copy of it.

I've added some code below to illustrate what I'm doing. I'm copying shapes now with the following construct:

  Shape copy = Shape.intersect(cumulativeClip, new Rectangle(0, 0, w, h));

I've looked around for a better way, but I haven't found one. I was expecting either a copy constructor on Shape (but it is abstract) or a static copy method on Shape.

The code:

  Shape cumulativeClip = null;

  while(someCondition) {
        Shape clip = ...; // obtain clip of the reflection part

        (...)

        if(cumulativeClip != null) {
          Shape cellClip = Shape.intersect(cumulativeClip, new Rectangle(0, 0, w, h)); // TODO there must be a better way to just copy a Shape...
          Point2D localToParent = cell.localToParent(0, 0);

          cellClip.getTransforms().add(new Translate(-localToParent.getX(), -localToParent.getY()));

          cell.setClip(cellClip);
        }
        else {
          cell.setClip(null);
        }

        if(clip != null) {
          clip.getTransforms().add(cell.getLocalToParentTransform());

          if(cumulativeClip == null) {
            cumulativeClip = new Rectangle(0, 0, w, h);
          }

          cumulativeClip = Shape.subtract(cumulativeClip, clip);
        }
   }