import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Camera;
import javafx.scene.Group;
import javafx.scene.PerspectiveCamera;
import javafx.scene.Scene;
import javafx.scene.input.KeyEvent;
import javafx.scene.material.PhongMaterial;
import javafx.scene.paint.Color;
import javafx.scene.shape3d.Sphere;
import javafx.stage.Stage;

/*
 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 */
/**
 *
 * @author Andrew Glushchenko
 */
public class CameraTranslateZTestApp extends Application {

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

    }
    private Group group;
    private Group root;
    private Group camGroup;
    private boolean switcher = true;

    @Override
    public void start(Stage stage) throws Exception {
        root = new Group();
        group = buildGroup();
        Scene scene = new Scene(root, 500, 500, true);
        camGroup = new Group(addCamera(scene));
        root.getChildren().addAll(group, camGroup);
        translate();
        scene.addEventHandler(KeyEvent.ANY, new EventHandler<KeyEvent>() {
            @Override
            public void handle(KeyEvent t) {
                translate();
            }
        });
        stage.setScene(scene);
        stage.show();
    }

    private static Group buildGroup() {
        Sphere s = new Sphere();
        s.setScaleX(100);
        s.setScaleY(100);
        s.setScaleZ(100);
        s.setMaterial(new PhongMaterial(Color.AQUA));
        return new Group(s);
    }

    private static Camera addCamera(Scene scene) {
        PerspectiveCamera pc = new PerspectiveCamera(false);
        scene.setCamera(pc);
        return pc;
    }

    private void translate() {
        if (switcher) {
            camGroup.setTranslateZ(-1000);
            group.setTranslateZ(0);
        } else {
            camGroup.setTranslateZ(0);
            group.setTranslateZ(1000);
        }
        switcher = !switcher;
    }
    public static void main(String[] args) {
        launch(args);
    }
}