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