Rectangle colors = new Rectangle(scene.getWidth(), scene.getHeight(), new LinearGradient(0f, 1f, 1f, 0f, true, CycleMethod.NO_CYCLE, new Stop[] { new Stop(0, Color.web("#f8bd55")), new Stop(0.14, Color.web("#c0fe56")), new Stop(0.28, Color.web("#5dfbc1")),
new Stop(0.43, Color.web("#64c2f8")), new Stop(0.57, Color.web("#be4af7")), new Stop(0.71, Color.web("#ed5fc2")), new Stop(0.85, Color.web("#ef504c")), new Stop(1, Color.web("#f2660f")), }));
Group circles = new Group();
for (int i = 0; i < 30; i++) {
Circle circle = new Circle(150, Color.web("white", 0.05));
circle.setStrokeType(StrokeType.OUTSIDE);
circle.setStroke(Color.web("white", 0.16));
circle.setStrokeWidth(4);
circles.getChildren().add(circle);
}
circles.setEffect(new BoxBlur(10, 10, 3));
Group blendModeGroup = new Group(new Group(new Rectangle(scene.getWidth(), scene.getHeight(), Color.BLACK), circles), colors);
colors.setBlendMode(BlendMode.OVERLAY);
root.getChildren().add(blendModeGroup);
Timeline timeline = new Timeline();
for (Node circle : circles.getChildren()) {
timeline.getKeyFrames().addAll(new KeyFrame(Duration.ZERO, // set
// start
// position
// at 0
new KeyValue(circle.translateXProperty(), random() * 800), new KeyValue(circle.translateYProperty(), random() * 600)), new KeyFrame(new Duration(40000), // set
// end
// position
// at
// 40s
new KeyValue(circle.translateXProperty(), random() * 800), new KeyValue(circle.translateYProperty(), random() * 600)));
}
// play 40s of animation
timeline.play();
return scene;
}