JavaFX - 如何創(chuàng)建Bloom效果到組

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.effect.Bloom;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Font;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class Main extends Application {
    public static void main(String[] args) {
        Application.launch(args);
    }
    @Override
    public void start(Stage primaryStage) {
        primaryStage.setTitle("Text Fonts");

        Group g = new Group();
        Scene scene = new Scene(g, 550, 250);

        Rectangle r = new Rectangle();
        r.setX(10);
        r.setY(10);
        r.setWidth(160);
        r.setHeight(80);
        r.setFill(Color.DARKBLUE);

        Text t = new Text();
        t.setText("Bloom!");
        t.setFill(Color.YELLOW);
        t.setFont(Font.font(null, FontWeight.BOLD, 36));
        t.setX(25);
        t.setY(65);

        g.setCache(true);
        g.setEffect(new Bloom());
        g.getChildren().add(r);
        g.getChildren().add(t);
        

        primaryStage.setScene(scene);
        primaryStage.show();
    }
}