import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.geometry.Orientation;
import javafx.scene.Camera;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.PerspectiveCamera;
import javafx.scene.Scene;
import javafx.scene.input.KeyEvent;
import javafx.scene.input.MouseEvent;
import javafx.scene.input.PickResult;
import javafx.scene.light.PointLight;
import javafx.scene.material.PhongMaterial;
import javafx.scene.paint.Color;
import javafx.scene.shape3d.Box;
import javafx.scene.shape3d.Cylinder;
import javafx.scene.shape3d.Shape3D;
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 PickingIntersectedDistanceTestApp extends Application {

    static {
        System.setProperty("prism.dirtyopts", "false");
    }
    private static int HEIGHT = 500;
    private static int WIDTH = 500;
    private Scene scene;
    private Group root;
    private PointLight pl;
    protected Group grp;
    private Shape3D meshView;
    private PhongMaterial material;
    private static double SCALE = 100;

    @Override
    public void start(Stage stage) throws Exception {
        pl = new PointLight(Color.RED);
        pl.setTranslateZ(200);

        root = new Group(pl, buildGroup());
        scene = new Scene(root, HEIGHT, WIDTH, true);
        root.getChildren().add(new Group(addCamera(scene)));

        grp.setTranslateX(200);
        grp.setTranslateY(200);
        grp.setTranslateZ(1000);
        
        scene.addEventHandler(MouseEvent.MOUSE_CLICKED, new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent t) {
                pick(t);
            }
        });
        stage.setScene(scene);
        stage.show();
    }

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

    private void pick(MouseEvent t) {
        PickResult result = t.getPickResult();
//        System.out.println("Point:(x=" + t.getSceneX() + ";y=" + t.getSceneY() + ")");
//        System.out.println("Source: " + t.getSource());
//        System.out.println("Target: " + t.getTarget());
        if (result != null) {
            System.out.println(result.getIntersectedDistance());
//            System.out.println(result.getIntersectedFace());
//            System.out.println(result.getIntersectedNode());
            System.out.println(result.getIntersectedPoint());
//            System.out.println(result.getIntersectedTexCoord());
        } else {
            System.out.println("null");
        }

    }

    protected Group buildGroup() {
        material = new PhongMaterial();
        material.setDiffuseColor(Color.LIGHTGRAY);
        material.setSpecularColor(Color.rgb(30, 30, 30));

        meshView = new Sphere();

        meshView.setMaterial(material);
//        meshView.setTranslateZ(20);
        meshView.setScaleX(SCALE);
        meshView.setScaleY(SCALE);
        meshView.setScaleZ(SCALE);
        grp = new Group(meshView);
        return grp;
    }

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