/*
 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 */
import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.PerspectiveCamera;
import javafx.scene.Scene;
import javafx.scene.input.KeyEvent;
import javafx.scene.light.PointLight;
import javafx.scene.material.PhongMaterial;
import javafx.scene.paint.Color;
import javafx.scene.shape3d.Sphere;
import javafx.stage.Stage;


/**
 *
 * @author Andrew Glushchenko
 */
public class LightReinitTestApp extends Application {

    private static int WIDTH = 500;
    private static int HEIGHT = 500;
    private Group root = null;
    private EarthMoonSunTestGroup testGroup = null;
    PointLight vl = null;
    Scene scene;

    public void openPage() {
        testGroup = new EarthMoonSunTestGroup();
        vl = new PointLight(Color.YELLOW);
        testGroup.setLighting(new Group(vl));
        root = new Group(testGroup);
        root.setTranslateX(WIDTH / 2);
        root.setTranslateY(HEIGHT / 2);
        if (scene == null) {
            scene = new Scene(root, WIDTH, HEIGHT);
            PerspectiveCamera camera = new PerspectiveCamera(false);
            scene.setCamera(camera);
            initKeys();
        } else {
            scene.setRoot(root);
        }
    }

    private void initKeys() {
        scene.setOnKeyPressed(new EventHandler<KeyEvent>() {
            @Override
            public void handle(KeyEvent t) {
                openPage();
            }
        });
    }

    @Override
    public void start(Stage stage) throws Exception {
        openPage();
        stage.setScene(scene);
        stage.show();
    }

    static {
        System.setProperty("prism.dirtyopts", "false");
    }

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

    public class EarthMoonSunTestGroup extends Group {

        public final static double SCALE = 50;
        private Sphere earth;
        private Sphere moon;
        private PhongMaterial materialEarth;
        private PhongMaterial materialMoon;

        public EarthMoonSunTestGroup() {
            materialEarth = new PhongMaterial();
            materialMoon = new PhongMaterial();
            materialMoon.setDiffuseColor(Color.LIGHTGRAY);
            materialMoon.setSpecularColor(Color.rgb(30, 30, 30));
            earth = new Sphere(3);
            moon = new Sphere(1);
            moon.setTranslateX(5 * SCALE);
            earth.setMaterial(materialEarth);
            moon.setMaterial(materialMoon);
            moon.setScaleX(SCALE);
            moon.setScaleY(SCALE);
            moon.setScaleZ(SCALE);
            earth.setScaleX(SCALE);
            earth.setScaleY(SCALE);
            earth.setScaleZ(SCALE);
            getChildren().addAll(earth, moon);
        }

        public void setLighting(Group light) {
            light.setTranslateX(10 * SCALE);
            getChildren().add(light);
        }
    }
}