JavaFX Lighting effect of Light.Spot

javafx.scene.effect.Light.Spot represents a spot light source at a given position in 3D space, with configurable direction and focus.

package javafx_lighting;

import javafx.application.Application;
import javafx.beans.value.ObservableValue;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ColorPicker;
import javafx.scene.control.Label;
import javafx.scene.control.Slider;
import javafx.scene.control.TextField;
import javafx.scene.effect.Light;
import javafx.scene.effect.Lighting;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.HBox;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Font;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;

/**
 * @web http://java-buddy.blogspot.com/
 */
public class JavaFX_Lighting extends Application {
    
    @Override
    public void start(Stage primaryStage) {

        //Light.Spot: Represents a spot light source at a given position in 
        //3D space, with configurable direction and focus.
        Light.Spot lightSpot = new Light.Spot();
        lightSpot.setX(0);
        lightSpot.setY(0);
        lightSpot.setZ(0);
        lightSpot.setColor(Color.ANTIQUEWHITE);
        Lighting lighting = new Lighting();
        lighting.setLight(lightSpot);
        lighting.setSurfaceScale(5.0);
        lighting.setDiffuseConstant(1.0);
        
        ColorPicker colorPicker = new ColorPicker(Color.ANTIQUEWHITE);
        colorPicker.setOnAction(new EventHandler() {
            @Override
            public void handle(Event t) {
                lightSpot.setColor(colorPicker.getValue());
            }
        });
 
        Button btn = new Button("Button with Lighting");
        btn.setEffect(lighting);

        TextField textField = new TextField("TextField with Lighting");
        textField.setEffect(lighting);
        
        Text text = new Text("Text with lighting");
        text.setFont(Font.font ("Verdana", FontWeight.BOLD, 40));
        text.setFill(Color.WHITE);
        text.setEffect(lighting);

        Circle circle = new Circle(20,Color.WHITE);
        circle.setEffect(lighting);

        Rectangle rectangle = new Rectangle(50, 50, Color.WHITE);
        rectangle.setEffect(lighting);
        
        ImageView imageView = new ImageView(new Image("http://goo.gl/kYEQl"));
        imageView.setEffect(lighting);
        
        HBox hBoxShape = new HBox();
        hBoxShape.getChildren().addAll(rectangle, circle, imageView);

        Label labelXYZ = new Label("X, Y, Z");
        Slider sliderX = new Slider();
        sliderX.setMin(0);
        sliderX.setMax(900.0);
        sliderX.setValue(0);
        sliderX.setMajorTickUnit(100);
        sliderX.setMinorTickCount(2);
        sliderX.setShowTickLabels(true);
        sliderX.setShowTickMarks(true);
        sliderX.valueProperty().addListener(
                (ObservableValue<? extends Number> ov, 
                        Number old_val, Number new_val) -> {
            lightSpot.setX((Double)new_val);
        });

        Slider sliderY = new Slider();
        sliderY.setMin(0);
        sliderY.setMax(500.0);
        sliderY.setValue(0);
        sliderY.setMajorTickUnit(100);
        sliderY.setMinorTickCount(2);
        sliderY.setShowTickLabels(true);
        sliderY.setShowTickMarks(true);
        sliderY.valueProperty().addListener(
                (ObservableValue<? extends Number> ov, 
                        Number old_val, Number new_val) -> {
            lightSpot.setY((Double)new_val);
        });

        Slider sliderZ = new Slider();
        sliderZ.setMin(0);
        sliderZ.setMax(500.0);
        sliderZ.setValue(0);
        sliderZ.setMajorTickUnit(100);
        sliderZ.setMinorTickCount(2);
        sliderZ.setShowTickLabels(true);
        sliderZ.setShowTickMarks(true);
        sliderZ.valueProperty().addListener(
                (ObservableValue<? extends Number> ov, 
                        Number old_val, Number new_val) -> {
            lightSpot.setZ((Double)new_val);
        });
        
        //
        Label labelPointsAtX = new Label("PointsAtX, PointsAtY, PointsAtZ");
        
        Slider sliderPointsAtX = new Slider();
        sliderPointsAtX.setMin(0);
        sliderPointsAtX.setMax(900.0);
        sliderPointsAtX.setValue(0);
        sliderPointsAtX.setMajorTickUnit(300);
        sliderPointsAtX.setMinorTickCount(3);
        sliderPointsAtX.setShowTickLabels(true);
        sliderPointsAtX.setShowTickMarks(true);
        sliderPointsAtX.valueProperty().addListener(
                (ObservableValue<? extends Number> ov, 
                        Number old_val, Number new_val) -> {
            lightSpot.setPointsAtX((Double)new_val);
        });
        
        Slider sliderPointsAtY = new Slider();
        sliderPointsAtY.setMin(0);
        sliderPointsAtY.setMax(500.0);
        sliderPointsAtY.setValue(0);
        sliderPointsAtY.setMajorTickUnit(100);
        sliderPointsAtY.setMinorTickCount(2);
        sliderPointsAtY.setShowTickLabels(true);
        sliderPointsAtY.setShowTickMarks(true);
        sliderPointsAtY.valueProperty().addListener(
                (ObservableValue<? extends Number> ov, 
                        Number old_val, Number new_val) -> {
            lightSpot.setPointsAtY((Double)new_val);
        });
        
        Slider sliderPointsAtZ = new Slider();
        sliderPointsAtZ.setMin(0);
        sliderPointsAtZ.setMax(500.0);
        sliderPointsAtZ.setValue(0);
        sliderPointsAtZ.setMajorTickUnit(100);
        sliderPointsAtZ.setMinorTickCount(2);
        sliderPointsAtZ.setShowTickLabels(true);
        sliderPointsAtZ.setShowTickMarks(true);
        sliderPointsAtZ.valueProperty().addListener(
                (ObservableValue<? extends Number> ov, 
                        Number old_val, Number new_val) -> {
            lightSpot.setPointsAtZ((Double)new_val);
        });

        //
        
        Label labelSurfaceScale = new Label("SurfaceScale");
        Slider sliderSurfaceScale = new Slider();
        sliderSurfaceScale.setMin(0);
        sliderSurfaceScale.setMax(10);
        sliderSurfaceScale.setValue(5.0);
        sliderSurfaceScale.setMajorTickUnit(1);
        sliderSurfaceScale.setMinorTickCount(2);
        sliderSurfaceScale.setShowTickLabels(true);
        sliderSurfaceScale.setShowTickMarks(true);
        sliderSurfaceScale.valueProperty().addListener(
                (ObservableValue<? extends Number> ov, 
                        Number old_val, Number new_val) -> {
            lighting.setSurfaceScale((Double)new_val);
        });

        Label labelDiffuse = new Label("DiffuseConstant");
        Slider sliderDiffuse = new Slider();
        sliderDiffuse.setMin(0);
        sliderDiffuse.setMax(2);
        sliderDiffuse.setValue(1);
        sliderDiffuse.setMajorTickUnit(1);
        sliderDiffuse.setMinorTickCount(4);
        sliderDiffuse.setShowTickLabels(true);
        sliderDiffuse.setShowTickMarks(true);
        sliderDiffuse.valueProperty().addListener(
                (ObservableValue<? extends Number> ov, 
                        Number old_val, Number new_val) -> {
            lighting.setDiffuseConstant((Double)new_val);
        });
        
        VBox vBox = new VBox();
        vBox.setPadding(new Insets(10, 10, 10, 10));
        vBox.getChildren().addAll(colorPicker, btn, text, textField, hBoxShape, 
                labelXYZ, sliderX, sliderY, sliderZ,
                labelPointsAtX, sliderPointsAtX, sliderPointsAtY, sliderPointsAtZ,
                labelSurfaceScale, sliderSurfaceScale, labelDiffuse, sliderDiffuse);
        
        StackPane root = new StackPane();
        root.getChildren().add(vBox);
        
        Scene scene = new Scene(root, 1000, 600);
        
        primaryStage.setTitle("java-buddy.blogspot.com");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

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