JavaFX Animation

Jakob Jenkov
Last update: 2020-11-05

The JavaFX animation support enables you to animate JavaFX shapes and controls, e.g. moving or rotating them. The JavaFX animation support is provided by the JavaFX Timeline class. The Timeline class represents an animation timeline which you can "play". You can add keyframes to the Timeline which the animation features then interpolate between.

JavaFX Animation Example

Here is a basic JavaFX animation example:

import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.stage.Stage;
import javafx.util.Duration;

/**
 * A simple JavaFX animation examples. Animates a Circle's X property by
 * translating (moving) it 200 points over 10 seconds.
 */

public class AnimationExample extends Application {

    public static void main(String[] args) {
        launch(args);
    }

    public void start(Stage primaryStage) {

        Circle circle = new Circle(50, 150, 50, Color.RED);

        // change circle.translateXProperty from it's current value to 200
        KeyValue keyValue = new KeyValue(circle.translateXProperty(), 200);

        // over the course of 5 seconds
        KeyFrame keyFrame = new KeyFrame(Duration.seconds(10), keyValue);
        Timeline timeline = new Timeline(keyFrame);

        Scene scene = new Scene(new Pane(circle), 300, 250);
        primaryStage.setScene(scene);
        primaryStage.show();

        timeline.play();
    }
}

Jakob Jenkov

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