| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * |
| * 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. |
| */ |
| |
| // Nashorn port of ColorfulCircles.java JavaFX animation example at |
| // https://docs.oracle.com/javafx/2/get_started/ColorfulCircles.java.html |
| // ColorfulCircles.java is under the following license terms: |
| |
| /* |
| * 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. |
| */ |
| |
| // Usage: jjs -fx colorfulcircles.fx |
| |
| // Porting note: No imports - just load these fx scripts! |
| load("fx:controls.js"); |
| load("fx:graphics.js"); |
| |
| // Porting note: whatever is inside |
| // public void start(Stage primaryStage) |
| // goes into "start" function |
| |
| function start(primaryStage) { |
| // Porting note: Replace types with 'var'. "Group root" becomes "var root". |
| // and so on.. |
| |
| var root = new Group(); |
| var scene = new Scene(root, 800, 600, Color.BLACK); |
| primaryStage.setScene(scene); |
| var circles = new Group(); |
| // Porting note: for (int i = 0....) becomes for (var i = 0...) |
| |
| for (var i = 0; i < 30; i++) { |
| var 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); |
| } |
| |
| // Porting note: There is no "f" suffix for float literals in JS. |
| // LinearGradient(0f, 1f, 1f, 0f,..) becomes just |
| // LinearGradient(0, 1, 1, 0,..) |
| |
| // Porting note: LinearGradient's constructor is a varargs method |
| // No need to create Stop[] just pass more Stop objects at the end! |
| var colors = new Rectangle(scene.getWidth(), scene.getHeight(), |
| new LinearGradient(0, 1, 1, 0, true, CycleMethod.NO_CYCLE, |
| 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()); |
| var 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)); |
| |
| // Porting note: Java code uses static import of |
| // java.lang.Math.random. Just use JS Math.random here |
| var random = Math.random; |
| |
| var timeline = new Timeline(); |
| // Porting note: Java enhanced for loop |
| // for (Node circle : circles.getChildren()) |
| // becomes |
| // for each (var circle: circles.getChildren()) |
| |
| for each (var circle in 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(); |
| } |