TITLE:JavaFX Script でアイコンのアニメーション

JavaFX Script でアイコンのアニメーション

編集者:Terai Atsuhiro
作成日:2006-05-18
更新日:2018-07-09 (月) 17:16:44

概要

JavaFX ScriptでFireFox風のAnimated Icon を作成します。

http://terai.xrea.jp/data/jfx/animatedicon/AnimatedIcon.png

サンプルコード

import javafx.ui.*;
import javafx.ui.canvas.*;

public class Timer {
    private attribute rotationValue: Number;
    public attribute running: Boolean;
}
attribute Timer.rotationValue = bind if running
then [0,45..360-45] dur 1040 linear
while running continue if true else 0;

class CircleRtation extends CompositeNode {
    public attribute animating: Boolean;
    attribute radius: Number;
}
attribute CircleRtation.radius = 6;
operation CircleRtation.composeNode() {
    var r = 2*radius;
    var c = 2*r+5; //2>(sqrt(2)+0.5), margin=5+r*(1.5-sqrt(2))
    var t = Timer {running: bind animating};
    return Group {
      transform: bind [rotate(t.rotationValue, c, c), translate(c, c)]
      content: [foreach (i in [1..8]) Circle {
        radius: this.radius,
        fill: bind if hover then red else green,
        opacity: 0.1*i,
        transform: [translate(-r, -r), rotate(i*45, r, r)]
      }, Circle {
        fill: Color{ opacity: 0 }
        radius: 2*r
        onMousePressed:  operation(e:CanvasMouseEvent) { t.running = false; }
        onMouseReleased: operation(e:CanvasMouseEvent) { t.running = true; }
      }]
    };
}
var cr = CircleRtation{ animating: true };
Frame {
  title  : "JavaFX - Icon Animation"
  width  : 320
  height : 120
  content: Canvas { content: cr }
  centerOnScreen: true
  visible: true
  onClose: operation() {
      cr.animating = false;
  }
};

解説

準備中

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