/* * Copyright (c) 2008, 2016, 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 Corporation 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 ensemble.samples.graphics2d.colorfulcircles; import static java.lang.Math.random; import java.util.ArrayList; import java.util.List; import javafx.animation.Animation; 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.Parent; import javafx.scene.Scene; import javafx.scene.control.ScrollPane; import javafx.scene.effect.BlendMode; import javafx.scene.effect.BoxBlur; import javafx.scene.layout.Pane; 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; /** * A sample that demonstrates how to draw and paint shapes, apply visual * effects, blend colors in overlapping objects, and animate objects. * * @sampleName Colorful Circles * @preview preview.png * * @see javafx.animation.Timeline * @see javafx.scene.Group * @see javafx.scene.effect.BlendMode * @see javafx.scene.effect.BoxBlur * @see javafx.scene.paint.Color * @see javafx.scene.paint.CycleMethod * @see javafx.scene.paint.LinearGradient * @see javafx.scene.shape.Circle * * @related /Graphics 2d/Canvas Fireworks * @related /Graphics 2d/Effects/Gaussian Blur */ public class ColorfulCirclesApp extends Application { private static final double WIDTH = 500, HEIGHT = 480; private Timeline animation; public Parent createContent() { Pane layer1 = new Pane(); for (int i = 0; i < 15; i++) { Circle circle = new Circle(200, Color.web("white", 0.05f)); circle.setStrokeType(StrokeType.OUTSIDE); circle.setStroke(Color.web("white", 0.2f)); circle.setStrokeWidth(4f); layer1.getChildren().add(circle); } // create second list of circles Pane layer2 = new Pane(); for (int i = 0; i < 20; i++) { Circle circle = new Circle(70, Color.web("white", 0.05f)); circle.setStrokeType(StrokeType.OUTSIDE); circle.setStroke(Color.web("white", 0.1f)); circle.setStrokeWidth(2f); layer2.getChildren().add(circle); } // create third list of circles Pane layer3 = new Pane(); for (int i = 0; i < 10; i++) { Circle circle = new Circle(150, Color.web("white", 0.05f)); circle.setStrokeType(StrokeType.OUTSIDE); circle.setStroke(Color.web("white", 0.16f)); circle.setStrokeWidth(4f); layer3.getChildren().add(circle); } // Set a blur effect on each layer layer1.setEffect(new BoxBlur(30, 30, 3)); layer2.setEffect(new BoxBlur(2, 2, 2)); layer3.setEffect(new BoxBlur(10, 10, 3)); // create a rectangle size of window with colored gradient Rectangle colors = new Rectangle(WIDTH, HEIGHT, new LinearGradient(0f, 1f, 1f, 0f, true, CycleMethod.NO_CYCLE, new Stop(0, Color.web("#f8bd55")), new Stop(0.14f, Color.web("#c0fe56")), new Stop(0.28f, Color.web("#5dfbc1")), new Stop(0.43f, Color.web("#64c2f8")), new Stop(0.57f, Color.web("#be4af7")), new Stop(0.71f, Color.web("#ed5fc2")), new Stop(0.85f, Color.web("#ef504c")), new Stop(1, Color.web("#f2660f")))); colors.setBlendMode(BlendMode.OVERLAY); // create main content ScrollPane sp = new ScrollPane(); sp.setFitToWidth(true); sp.setFitToHeight(true); sp.setPrefSize(WIDTH, HEIGHT); Pane pane = new Pane(); sp.setContent(pane); pane.getChildren().addAll( new Rectangle(WIDTH, HEIGHT, Color.BLACK), layer1, layer2, layer3, colors); Rectangle clip = new Rectangle(WIDTH, HEIGHT); clip.setSmooth(false); pane.setClip(clip); // create list of all circles List allCircles = new ArrayList<>(); allCircles.addAll(layer1.getChildren()); allCircles.addAll(layer2.getChildren()); allCircles.addAll(layer3.getChildren()); // Create a animation to randomly move every circle in allCircles animation = new Timeline(); for (Node circle : allCircles) { animation.getKeyFrames().addAll( new KeyFrame(Duration.ZERO, // set start position at 0s new KeyValue(circle.translateXProperty(), random() * WIDTH), new KeyValue(circle.translateYProperty(), random() * HEIGHT)), new KeyFrame(new Duration(40000), // set end position at 40s new KeyValue(circle.translateXProperty(), random() * WIDTH), new KeyValue(circle.translateYProperty(), random() * HEIGHT))); } animation.setAutoReverse(true); animation.setCycleCount(Animation.INDEFINITE); return sp; } public void play() { animation.play(); } @Override public void stop() { animation.stop(); } @Override public void start(Stage primaryStage) throws Exception { primaryStage.setResizable(false); primaryStage.setScene(new Scene(createContent())); primaryStage.show(); play(); } /** * Java main for when running without JavaFX launcher * @param args command line arguments */ public static void main(String[] args) { launch(args); } }