Release: JavaFX 2.2
ColorfulCircles.java
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/* * Copyright (c) 2011, 2012 Oracle and/or its affiliates. * All rights reserved. Use is subject to license terms. * * This file is available and licensed under the following license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the distribution. * - Neither the name of Oracle nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
package colorfulcircles;import javafx.animation.KeyFrame;import javafx.animation.KeyValue;import javafx.animation.Timeline;import javafx.application.Application;import javafx.scene.Group;import javafx.scene.Node;import javafx.scene.Scene;import javafx.scene.effect.BlendMode;import javafx.scene.effect.BoxBlur;import javafx.scene.paint.Color;import javafx.scene.paint.CycleMethod;import javafx.scene.paint.LinearGradient;import javafx.scene.paint.Stop;import javafx.scene.shape.Circle;import javafx.scene.shape.Rectangle;import javafx.scene.shape.StrokeType;import javafx.stage.Stage;import javafx.util.Duration;import static java.lang.Math.random;public class ColorfulCircles extends Application { public static void main(String[] args) { launch(args); } @Override public void start(Stage primaryStage) { Group root = new Group(); Scene scene = new Scene(root, 800, 600, Color.BLACK); primaryStage.setScene(scene); 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); } 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")),})); colors.widthProperty().bind(scene.widthProperty()); colors.heightProperty().bind(scene.heightProperty()); Group blendModeGroup = new Group(new Group(new Rectangle(scene.getWidth(), scene.getHeight(), Color.BLACK), circles), colors); colors.setBlendMode(BlendMode.OVERLAY); root.getChildren().add(blendModeGroup); circles.setEffect(new BoxBlur(10, 10, 3)); 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(); primaryStage.show(); }}Copyright © 2011, 2012 Oracle and/or its affiliates. All rights reserved.