99. Path Transition

A node can travel along a Path. Our path is 4 lines near the 4 sides of the window.

The node is a Rectangle and it moves over the path in 5 seconds.

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package ex99;
 
import javafx.animation.Interpolator;
import javafx.animation.PathTransition;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.ClosePath;
import javafx.scene.shape.LineTo;
import javafx.scene.shape.MoveTo;
import javafx.scene.shape.Path;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;
import javafx.util.Duration;
 
public class Ex99 extends Application {
 
    @Override
    public void start(Stage primaryStage) {
 
        Rectangle rect = new Rectangle(50, 50, 20, 20);
        rect.setFill(Color.RED);
        
        Path path = new Path(new MoveTo(50, 50),
            new LineTo(350, 50),
            new LineTo(350, 350),
            new LineTo(50, 350),
            new ClosePath());
        
        PathTransition pathTransition = new PathTransition();
        pathTransition.setDuration(Duration.seconds(5));
        pathTransition.setNode(rect);
        pathTransition.setPath(path);
        pathTransition.setAutoReverse(true);
        pathTransition.setCycleCount(Timeline.INDEFINITE);
        pathTransition.setInterpolator(Interpolator.LINEAR);
        
        Group root = new Group(rect);
        Scene scene = new Scene(root, 400, 400);
        
        pathTransition.play();
        
        primaryStage.setTitle("Example 99. PathTransition");
        primaryStage.setScene(scene);
        primaryStage.show();
    }
 
    public static void main(String[] args) {
        launch(args);
    }
}

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This is the output during the animation (on the left side):

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