Duke Anim JavaFX

import java.util.Random;
import javafx.animation.Interpolator;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
//import javafx.scene.effect.Reflection;
//import javafx.scene.effect.SepiaTone;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.Scene;
import javafx.scene.transform.Translate;
import javafx.stage.Stage;

/**
 * @author paddy
 */

class DukeAnimModel {
  
    public var imageURL = "{__DIR__}images/duke.png";
  
    public var x = 0;
    public var y = 0;

    var xTarget = 0;
    var yTarget = 0;

    var xTemp = 0;
    var yTemp = 0;

    public var anim =
    Timeline {
        autoReverse: false
        keyFrames: [
            KeyFrame {
                time: 0s
                values: [x => xTemp, y => yTemp]

            },
            KeyFrame {
                time: 1s
                //values: [x => 300 tween Interpolator.LINEAR,y => yTarget tween Interpolator.LINEAR]
                values: [x => xTarget tween
                    Interpolator.SPLINE(0,.5,.5,1),y => yTarget tween
                    Interpolator.SPLINE(0,.5,.5,1)]

                action: function(): Void{
                    println("at 1 second ...");

                    var generator = new Random();
                
                    //xTarget = (generator.nextFloat() * 400 + 1) as Integer;
                    xTarget = (
                    generator.nextFloat() * 240 + 1) as Integer;
                    println("xNext {xTarget} ");
                    //yTarget = (generator.nextFloat() * 300 + 1) as Integer;
                    yTarget = (
                    generator.nextFloat() * 320 + 1) as Integer;
                    println("yNext {yTarget} ");
                    xTemp=x;
                    yTemp=y;

                }
            },
        ]
        repeatCount: Timeline.INDEFINITE
    };
}

var dukeAnimModel = DukeAnimModel {}

dukeAnimModel.anim.play();


Stage {
    title: "Application title"
    width: 240  //400
    height: 320 //300
    scene: Scene {
        content: ImageView {
            transforms: Translate {
                x: bind dukeAnimModel.x
                y: bind dukeAnimModel.y
            }
            image: Image {
                url: dukeAnimModel.imageURL

            }
          /*  effect:Reflection{
                input: SepiaTone{
                }
            }
           */

        }
    }
    onClose: function(){
        println("exit");
    }
}