1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * - Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * - Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * - Neither the name of Oracle nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 20 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 // Nashorn port of ColorfulCircles.java JavaFX animation example at 33 // https://docs.oracle.com/javafx/2/get_started/ColorfulCircles.java.html 34 // ColorfulCircles.java is under the following license terms: 35 36 /* 37 * Copyright (c) 2011, 2012 Oracle and/or its affiliates. 38 * All rights reserved. Use is subject to license terms. 39 * 40 * This file is available and licensed under the following license: 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 46 * - Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * - Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in 50 * the documentation and/or other materials provided with the distribution. 51 * - Neither the name of Oracle nor the names of its 52 * contributors may be used to endorse or promote products derived 53 * from this software without specific prior written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 56 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 57 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 58 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 59 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 60 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 61 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 62 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 63 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 64 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 65 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 66 */ 67 68 // Usage: jjs -fx colorfulcircles.fx 69 70 // Porting note: No imports - just load these fx scripts! 71 load("fx:controls.js"); 72 load("fx:graphics.js"); 73 74 // Porting note: whatever is inside 75 // public void start(Stage primaryStage) 76 // goes into "start" function 77 78 function start(primaryStage) { 79 // Porting note: Replace types with 'var'. "Group root" becomes "var root". 80 // and so on.. 81 82 var root = new Group(); 83 var scene = new Scene(root, 800, 600, Color.BLACK); 84 primaryStage.setScene(scene); 85 var circles = new Group(); 86 // Porting note: for (int i = 0....) becomes for (var i = 0...) 87 88 for (var i = 0; i < 30; i++) { 89 var circle = new Circle(150, Color.web("white", 0.05)); 90 circle.setStrokeType(StrokeType.OUTSIDE); 91 circle.setStroke(Color.web("white", 0.16)); 92 circle.setStrokeWidth(4); 93 circles.getChildren().add(circle); 94 } 95 96 // Porting note: There is no "f" suffix for float literals in JS. 97 // LinearGradient(0f, 1f, 1f, 0f,..) becomes just 98 // LinearGradient(0, 1, 1, 0,..) 99 100 // Porting note: LinearGradient's constructor is a varargs method 101 // No need to create Stop[] just pass more Stop objects at the end! 102 var colors = new Rectangle(scene.getWidth(), scene.getHeight(), 103 new LinearGradient(0, 1, 1, 0, true, CycleMethod.NO_CYCLE, 104 new Stop(0, Color.web("#f8bd55")), 105 new Stop(0.14, Color.web("#c0fe56")), 106 new Stop(0.28, Color.web("#5dfbc1")), 107 new Stop(0.43, Color.web("#64c2f8")), 108 new Stop(0.57, Color.web("#be4af7")), 109 new Stop(0.71, Color.web("#ed5fc2")), 110 new Stop(0.85, Color.web("#ef504c")), 111 new Stop(1, Color.web("#f2660f")))); 112 colors.widthProperty().bind(scene.widthProperty()); 113 colors.heightProperty().bind(scene.heightProperty()); 114 var blendModeGroup = 115 new Group(new Group(new Rectangle(scene.getWidth(), scene.getHeight(), 116 Color.BLACK), circles), colors); 117 colors.setBlendMode(BlendMode.OVERLAY); 118 root.getChildren().add(blendModeGroup); 119 circles.setEffect(new BoxBlur(10, 10, 3)); 120 121 // Porting note: Java code uses static import of 122 // java.lang.Math.random. Just use JS Math.random here 123 var random = Math.random; 124 125 var timeline = new Timeline(); 126 // Porting note: Java enhanced for loop 127 // for (Node circle : circles.getChildren()) 128 // becomes 129 // for each (var circle: circles.getChildren()) 130 131 for each (var circle in circles.getChildren()) { 132 timeline.getKeyFrames().addAll( 133 new KeyFrame(Duration.ZERO, // set start position at 0 134 new KeyValue(circle.translateXProperty(), random() * 800), 135 new KeyValue(circle.translateYProperty(), random() * 600)), 136 new KeyFrame(new Duration(40000), // set end position at 40s 137 new KeyValue(circle.translateXProperty(), random() * 800), 138 new KeyValue(circle.translateYProperty(), random() * 600))); 139 } 140 141 // play 40s of animation 142 timeline.play(); 143 primaryStage.show(); 144 }