Java 类javafx.scene.effect.MotionBlur 实例源码

private Node motionBlur() {
    Text t = new Text();
    t.setX(10.0f);
    t.setY(150.0f);
    t.setText("Motion Blur");
    t.setFill(Color.RED);
    t.setFont(Font.font("null", FontWeight.BOLD, 60));

    MotionBlur mb = new MotionBlur();
    mb.setRadius(15.0f);
    mb.setAngle(45.0f);

    t.setEffect(mb);

    //t.setTranslateX(300);
   // t.setTranslateY(150);

    return t;
}

private void addMotionBlurEffect(Shape organShape, double zoomLevel, boolean effectsOn) {
    organShape.setEffect(null);

    if (!effectsOn)
        return;

    if (zoomLevel < MOTION_BLUR_DISTANCE)
        return;

    Vector movement = calculateMovement();

    if (movement.equals(Vector.ZERO))
        return;

    double velocity = movement.getLength();

    if (velocity < MOTION_BLUR_THRESHOLD)
        return;

    try {
        organShape.setEffect(new MotionBlur(movement.getAngle(), velocity / MOTION_BLUR_THRESHOLD * MOTION_BLUR_INTENSITY));
    } catch (ZeroVectorAngleException e) {
    }
}

/**
 * Not the most useful feature, nor is it the most reliable
 */
public void motionBlur() {
    if (!bluring) {
        bluring = true;
        Thread t = new Thread(new Runnable() {
            double angle = 0, radius = 0;

            @Override
            public void run() {
                for (radius = 0; radius < 15; radius = radius + 0.01)
                    rotate();
                for (int i = 0; i < 100; i++)
                    rotate();
                for (radius = 15; radius > 0; radius = radius - 0.01)
                    rotate();
                setEffect(null);
                bluring = false;
            }

            private void rotate() {
                angle += 1;
                if (angle > 360)
                    angle = 0f;
                MotionBlur mb = new MotionBlur();
                mb.setRadius(radius);
                mb.setAngle(angle);
                setEffect(mb);
                try {
                    Thread.sleep(10);
                } catch (Exception e) {
                    UIUtils.showExceptionDialog(e);
                }
            }

        }, "Motion-Blur");
        t.setDaemon(true);
        t.start();
    }
}

static void showMessage( String text, MessageLevel level ) {
    Platform.runLater( () -> {
        Text messageText = new Text( text );
        Dialog dialog = new Dialog( messageText );
        dialog.setStyle( StageStyle.TRANSPARENT );
        dialog.getBox().setSpacing( 0 );
        dialog.getBox().getStyleClass().addAll( "message", level.name().toLowerCase() );

        MotionBlur blurText = new MotionBlur();
        blurText.setAngle( 0 );
        blurText.setRadius( 0 );
        messageText.setEffect( blurText );

        Animation blurAnimation = new Timeline( new KeyFrame( Duration.millis( 450 ),
                new KeyValue( blurText.angleProperty(), 45.0 ),
                new KeyValue( blurText.radiusProperty(), 20.0 ) ) );
        blurAnimation.setDelay( Duration.millis( 500 ) );

        FadeTransition hideAnimation = new FadeTransition( Duration.seconds( 1 ), dialog.getBox() );
        hideAnimation.setFromValue( 1.0 );
        hideAnimation.setToValue( 0.1 );
        hideAnimation.setInterpolator( Interpolator.EASE_IN );

        ParallelTransition allAnimations = new ParallelTransition( hideAnimation, blurAnimation );
        allAnimations.setDelay( Duration.seconds( 3 ) );
        allAnimations.setOnFinished( event -> {
            dialog.hide();
            currentMessageStages.remove( dialog.dialogStage );
        } );

        dialog.getBox().setOnMouseClicked( event -> {
            allAnimations.setDelay( Duration.seconds( 0 ) );
            allAnimations.stop();
            allAnimations.play();
        } );

        dialog.show( DialogPosition.TOP_CENTER );
        allAnimations.play();

        double yShift = 20 + currentMessageStages.stream()
                .mapToDouble( stage -> stage.getHeight() + 5.0 )
                .sum();

        StageTranslateTransition shiftDown = new StageTranslateTransition( dialog.dialogStage );
        shiftDown.setToY( yShift );
        shiftDown.setDuration( Duration.millis( 250.0 ) );
        shiftDown.setInterpolator( Interpolator.EASE_BOTH );
        shiftDown.play();

        currentMessageStages.add( dialog.dialogStage );
    } );
}