//
// The final effect is a big pink arrow-like shape, dramatically
// pointing at a specific block.
Timeline timeline = new Timeline(vector);
timeline.addPropertyToInterpolate("y", vector.getY(), vector.getY() - 30.0);
timeline.setEase(new Sine());
timeline.setDuration(3500);
timeline.playLoop(RepeatBehavior.LOOP);
}