如何围绕javafx旋转一组节点

import javafx.animation.Animation;
import javafx.animation.KeyFrame;
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.Rectangle;
import javafx.scene.transform.Rotate;
import javafx.stage.Stage;
import javafx.util.Duration;

public class RotateNodes extends Application {

    @Override
    public void start(Stage primaryStage) {
        Group group = new Group();

        Rectangle rect1 = new Rectangle(50, 50, Color.RED);
        Rectangle rect2 = new Rectangle(50, 50, Color.BLUE);
        Rectangle rect3 = new Rectangle(50, 50, Color.GREEN);

        group.getChildren().addAll(rect1, rect2, rect3);

        Rotate rotate = new Rotate(0, 0, 0);
        group.getTransforms().add(rotate);

        Timeline timeline = new Timeline(
                new KeyFrame(Duration.seconds(0), event -> rotate.setAngle(0)),
                new KeyFrame(Duration.seconds(2), event -> rotate.setAngle(360))
        );
        timeline.setCycleCount(Animation.INDEFINITE);
        timeline.play();

        Scene scene = new Scene(group, 200, 200);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

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