mikehearn

    public static class AnimatedBindInfo {
        @Nullable public Timeline timeline;
        public NumberBinding bindFrom;
        public Runnable onAnimFinish;
    }

    public static AnimatedBindInfo animatedBind(Node node, WritableDoubleValue bindTo, NumberBinding bindFrom) {
        bindTo.set(bindFrom.doubleValue());   // Initialise.
        bindFrom.addListener((o, prev, cur) -> {
            AnimatedBindInfo info = (AnimatedBindInfo) node.getUserData();