Examples with PointLight javafx.scene.PointLight used on opensource projects

Example 1 with PointLight

use of javafx.scene.PointLight in project FXyzLib by Birdasaur.

the class BillBoardBehaviorTest method createSubscene.

private void createSubscene() {
    subScene = new SubScene(root, 800, 600, true, SceneAntialiasing.BALANCED);
    camera = new PerspectiveCamera(true);
    cameraTransform.setTranslate(0, 0, 0);
    cameraTransform.getChildren().addAll(camera);
    camera.setNearClip(0.1);
    camera.setFarClip(100000.0);
    camera.setFieldOfView(35);
    camera.setTranslateZ(-cameraDistance);
    cameraTransform.ry.setAngle(-45.0);
    cameraTransform.rx.setAngle(-10.0);
    //add a Point Light for better viewing of the grid coordinate system
    PointLight light = new PointLight(Color.WHITE);
    cameraTransform.getChildren().add(light);
    light.setTranslateX(camera.getTranslateX());
    light.setTranslateY(camera.getTranslateY());
    light.setTranslateZ(camera.getTranslateZ());
    root.getChildren().add(cameraTransform);
    subScene.setCamera(camera);
    initFirstPersonControls(subScene);
    skyBox = new Skybox(new Image("http://www.zfight.com/misc/images/textures/envmaps/violentdays_large.jpg"), 100000, camera);
    //Make a bunch of semi random Torusesessses(toroids?) and stuff : from torustest
    Group torusGroup = new Group();
    for (int i = 0; i < 10; i++) {
        Random r = new Random();
        //A lot of magic numbers in here that just artificially constrain the math
        float randomRadius = (float) ((r.nextFloat() * 300) + 50);
        float randomTubeRadius = (float) ((r.nextFloat() * 100) + 1);
        int randomTubeDivisions = (int) ((r.nextFloat() * 64) + 1);
        int randomRadiusDivisions = (int) ((r.nextFloat() * 64) + 1);
        Color randomColor = new Color(r.nextDouble(), r.nextDouble(), r.nextDouble(), r.nextDouble());
        boolean ambientRandom = r.nextBoolean();
        boolean fillRandom = r.nextBoolean();
        if (i == 0) {
            torusGroup.getChildren().add(bill);
        }
        TorusMesh torus = new TorusMesh(randomTubeDivisions, randomRadiusDivisions, randomRadius, randomTubeRadius);
        double translationX = Math.random() * 1024 * 1.95;
        if (Math.random() >= 0.5) {
            translationX *= -1;
        }
        double translationY = Math.random() * 1024 * 1.95;
        if (Math.random() >= 0.5) {
            translationY *= -1;
        }
        double translationZ = Math.random() * 1024 * 1.95;
        if (Math.random() >= 0.5) {
            translationZ *= -1;
        }
        Translate translate = new Translate(translationX, translationY, translationZ);
        Rotate rotateX = new Rotate(Math.random() * 360, Rotate.X_AXIS);
        Rotate rotateY = new Rotate(Math.random() * 360, Rotate.Y_AXIS);
        Rotate rotateZ = new Rotate(Math.random() * 360, Rotate.Z_AXIS);
        torus.getTransforms().addAll(translate, rotateX, rotateY, rotateZ);
        //torus.getTransforms().add(translate);
        torusGroup.getChildren().add(torus);
    }
    root.getChildren().addAll(skyBox, torusGroup);
    rootPane.getChildren().add(subScene);
    //Enable subScene resizing
    subScene.widthProperty().bind(rootPane.widthProperty());
    subScene.heightProperty().bind(rootPane.heightProperty());
    subScene.setFocusTraversable(true);
}

Example 2 with PointLight

use of javafx.scene.PointLight in project FXyzLib by Birdasaur.

the class CSVScatter3DTest method start.

@Override
public void start(Stage primaryStage) throws Exception {
    Group sceneRoot = new Group();
    Scene scene = new Scene(sceneRoot, sceneWidth, sceneHeight, true, SceneAntialiasing.BALANCED);
    scene.setFill(Color.BLACK);
    camera = new PerspectiveCamera(true);
    //setup camera transform for rotational support
    cameraTransform.setTranslate(0, 0, 0);
    cameraTransform.getChildren().add(camera);
    camera.setNearClip(0.1);
    camera.setFarClip(10000.0);
    camera.setTranslateX(0);
    camera.setTranslateZ(-1000);
    cameraTransform.ry.setAngle(-25.0);
    cameraTransform.rx.setAngle(-10.0);
    //add a Point Light for better viewing of the grid coordinate system
    PointLight light = new PointLight(Color.WHITE);
    cameraTransform.getChildren().add(new AmbientLight());
    light.setTranslateX(camera.getTranslateX());
    light.setTranslateY(camera.getTranslateY());
    light.setTranslateZ(camera.getTranslateZ());
    scene.setCamera(camera);
    long time = System.currentTimeMillis();
    Group group = new Group(cameraTransform);
    List<Point3D> data = new ArrayList<>();
    //        // create some data
    //        IntStream.range(0,100000)
    //                .forEach(i->data.add(new Point3D((float)(30*Math.sin(50*i)),
    //                                    (float)(Math.sin(i)*(100+30*Math.cos(100*i))),
    //                                    (float)(Math.cos(i)*(100+30*Math.cos(200*i))),
    //                                    i))); // <-- f
    //        // and write to csv file
    //        Path out = Paths.get("output.txt");
    //        Files.write(out,data.stream().map(p3d->p3d.toCSV()).collect(Collectors.toList()),Charset.defaultCharset());
    // read from csv file
    Path out = getCSVFile(0);
    if (out != null) {
        Files.lines(out).map(s -> s.split(";")).forEach(s -> data.add(new Point3D(Float.parseFloat(s[0]), Float.parseFloat(s[1]), Float.parseFloat(s[2]), Float.parseFloat(s[3]))));
    }
    ScatterMesh scatter = new ScatterMesh(data, true, 1, 0);
    // DENSITY
    // texture is given by p.f value, don't change this!
    scatter.setTextureModeVertices3D(1530, p -> p.f);
    group.getChildren().add(scatter);
    sceneRoot.getChildren().addAll(group);
    //First person shooter keyboard movement 
    scene.setOnKeyPressed(event -> {
        double change = 10.0;
        if (event.isShiftDown()) {
            change = 50.0;
        }
        KeyCode keycode = event.getCode();
        if (keycode == KeyCode.W) {
            camera.setTranslateZ(camera.getTranslateZ() + change);
        }
        if (keycode == KeyCode.S) {
            camera.setTranslateZ(camera.getTranslateZ() - change);
        }
        if (keycode == KeyCode.A) {
            camera.setTranslateX(camera.getTranslateX() - change);
        }
        if (keycode == KeyCode.D) {
            camera.setTranslateX(camera.getTranslateX() + change);
        }
    });
    scene.setOnMousePressed((MouseEvent me) -> {
        mousePosX = me.getSceneX();
        mousePosY = me.getSceneY();
        mouseOldX = me.getSceneX();
        mouseOldY = me.getSceneY();
    });
    scene.setOnMouseDragged((MouseEvent me) -> {
        mouseOldX = mousePosX;
        mouseOldY = mousePosY;
        mousePosX = me.getSceneX();
        mousePosY = me.getSceneY();
        mouseDeltaX = (mousePosX - mouseOldX);
        mouseDeltaY = (mousePosY - mouseOldY);
        double modifier = 10.0;
        double modifierFactor = 0.1;
        if (me.isControlDown()) {
            modifier = 0.1;
        }
        if (me.isShiftDown()) {
            modifier = 50.0;
        }
        if (me.isPrimaryButtonDown()) {
            // +
            cameraTransform.ry.setAngle(((cameraTransform.ry.getAngle() + mouseDeltaX * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180);
            // -
            cameraTransform.rx.setAngle(((cameraTransform.rx.getAngle() - mouseDeltaY * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180);
        } else if (me.isSecondaryButtonDown()) {
            double z = camera.getTranslateZ();
            double newZ = z + mouseDeltaX * modifierFactor * modifier;
            camera.setTranslateZ(newZ);
        } else if (me.isMiddleButtonDown()) {
            // -
            cameraTransform.t.setX(cameraTransform.t.getX() + mouseDeltaX * modifierFactor * modifier * 0.3);
            // -
            cameraTransform.t.setY(cameraTransform.t.getY() + mouseDeltaY * modifierFactor * modifier * 0.3);
        }
    });
    primaryStage.setTitle("F(X)yz - ScatterMesh Test");
    primaryStage.setScene(scene);
    primaryStage.show();
    final boolean constantVertices = true;
    lastEffect = System.nanoTime();
    AtomicInteger count = new AtomicInteger(0);
    List<List<Number>> fullData = new ArrayList<>();
    if (constantVertices) {
        // if possible we can cache all the data
        Stream.of(0, 1, 2, 3, 4, 3, 2, 1).forEach(i -> {
            Path out2 = getCSVFile(i);
            if (out2 != null) {
                try {
                    List<Number> data2 = new ArrayList<>();
                    Files.lines(out2).map(s -> s.split(";")).forEach(s -> {
                        float f = Float.parseFloat(s[3]);
                        data2.add(f);
                        data2.add(f);
                        data2.add(f);
                        data2.add(f);
                    });
                    fullData.add(data2);
                } catch (IOException ex) {
                }
            }
        });
    }
    AnimationTimer timerEffect = new AnimationTimer() {

        @Override
        public void handle(long now) {
            if (now > lastEffect + 50_000_000l) {
                try {
                    //                        long t=System.currentTimeMillis();
                    if (constantVertices && fullData != null) {
                        // Vertices coordinates are always the same: mesh is tha same, we only
                        // need to update F on each element
                        scatter.setFunctionData(fullData.get(count.get() % 8));
                    //                            System.out.println("t "+(System.currentTimeMillis()-t));
                    } else {
                        // vertices coordinates may change in time, we need to create them all over again reading the files:
                        Path out2 = getCSVFile((int) (Stream.of(0, 1, 2, 3, 4, 3, 2, 1).toArray()[count.get() % 8]));
                        if (out2 != null) {
                            List<Point3D> data2 = new ArrayList<>();
                            Files.lines(out2).map(s -> s.split(";")).forEach(s -> data2.add(new Point3D(Float.parseFloat(s[0]), Float.parseFloat(s[1]), Float.parseFloat(s[2]), Float.parseFloat(s[3]))));
                            scatter.setScatterData(data2);
                            scatter.setTextureModeVertices1D(1530, p -> p);
                        }
                    //                            System.out.println("t "+(System.currentTimeMillis()-t));
                    }
                } catch (IOException ex) {
                }
                count.getAndIncrement();
                lastEffect = now;
            }
        }
    };
    timerEffect.start();
}

Example 3 with PointLight

use of javafx.scene.PointLight in project FXyzLib by Birdasaur.

the class CameraViewTest method loadSubScene.

private void loadSubScene() throws NonInvertibleTransformException {
    camera = new PerspectiveCamera(true);
    cameraTransform.setTranslate(0, 0, -500);
    cameraTransform.getChildren().add(camera);
    camera.setNearClip(0.1);
    camera.setFarClip(10000.0);
    camera.setTranslateZ(-1500);
    cameraTransform.ry.setAngle(-45.0);
    cameraTransform.rx.setAngle(-10.0);
    //add a Point Light for better viewing of the grid coordinate system
    PointLight light = new PointLight(Color.WHITE);
    cameraTransform.getChildren().add(light);
    light.setTranslateX(camera.getTranslateX());
    light.setTranslateY(camera.getTranslateY());
    light.setTranslateZ(camera.getTranslateZ());
    worldRoot.getChildren().add(cameraTransform);
    SubScene scene = new SubScene(worldRoot, 800, 600, true, SceneAntialiasing.BALANCED);
    scene.setFill(Color.DARKSLATEGRAY);
    scene.setCamera(camera);
    //First person shooter keyboard movement
    scene.setOnKeyPressed(event -> {
        double change = 10.0;
        if (event.isShiftDown()) {
            change = 50.0;
        }
        KeyCode keycode = event.getCode();
        if (keycode == KeyCode.W) {
            camera.setTranslateZ(camera.getTranslateZ() + change);
        }
        if (keycode == KeyCode.S) {
            camera.setTranslateZ(camera.getTranslateZ() - change);
        }
        if (keycode == KeyCode.A) {
            camera.setTranslateX(camera.getTranslateX() - change);
        }
        if (keycode == KeyCode.D) {
            camera.setTranslateX(camera.getTranslateX() + change);
        }
    });
    scene.setOnMousePressed((MouseEvent me) -> {
        mousePosX = me.getSceneX();
        mousePosY = me.getSceneY();
        mouseOldX = me.getSceneX();
        mouseOldY = me.getSceneY();
    });
    scene.setOnMouseDragged((MouseEvent me) -> {
        mouseOldX = mousePosX;
        mouseOldY = mousePosY;
        mousePosX = me.getSceneX();
        mousePosY = me.getSceneY();
        mouseDeltaX = (mousePosX - mouseOldX);
        mouseDeltaY = (mousePosY - mouseOldY);
        double modifier = 10.0;
        double modifierFactor = 0.1;
        if (me.isControlDown()) {
            modifier = 0.1;
        }
        if (me.isShiftDown()) {
            modifier = 50.0;
        }
        if (me.isPrimaryButtonDown()) {
            // +
            cameraTransform.ry.setAngle(((cameraTransform.ry.getAngle() + mouseDeltaX * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180);
            // -                
            cameraTransform.rx.setAngle(((cameraTransform.rx.getAngle() - mouseDeltaY * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180);
        } else if (me.isSecondaryButtonDown()) {
            double z = camera.getTranslateZ();
            double newZ = z + mouseDeltaX * modifierFactor * modifier;
            camera.setTranslateZ(newZ);
        } else if (me.isMiddleButtonDown()) {
            // -
            cameraTransform.t.setX(cameraTransform.t.getX() + mouseDeltaX * modifierFactor * modifier * 0.3);
            // -
            cameraTransform.t.setY(cameraTransform.t.getY() + mouseDeltaY * modifierFactor * modifier * 0.3);
        }
    });
    root.getChildren().add(scene);
    scene.widthProperty().bind(root.widthProperty());
    scene.heightProperty().bind(root.heightProperty());
    cameraView = new CameraView(scene);
    cameraView.setFirstPersonNavigationEabled(true);
    cameraView.setFitWidth(350);
    cameraView.setFitHeight(225);
    cameraView.getRx().setAngle(-45);
    cameraView.getT().setZ(-1500);
    cameraView.getT().setY(-500);
    root.getChildren().add(cameraView);
    StackPane.setAlignment(cameraView, Pos.BOTTOM_RIGHT);
    StackPane.setMargin(cameraView, new Insets(5));
    //Add an aritrary object to scene
    int rDivs = 32, tDivs = 32;
    double rad = 600, trad = 400;
    TorusMesh torus = new TorusMesh(rDivs, tDivs, rad, trad);
    torus.setDrawMode(DrawMode.LINE);
    PhongMaterial mat = new PhongMaterial(Color.BLUEVIOLET);
    torus.setMaterial(mat);
    torus.setTranslateX(0);
    torus.setTranslateY(0);
    torus.setTranslateZ(0);
    worldRoot.getChildren().add(torus);
    final Timeline t = new Timeline();
    t.getKeyFrames().addAll(new KeyFrame[] { new KeyFrame(Duration.seconds(5), new KeyValue[] { // Frame End                
    new KeyValue(torus.tubeStartAngleOffsetProperty(), torus.getTubeStartAngleOffset() - 10, Interpolator.EASE_BOTH), new KeyValue(torus.xOffsetProperty(), torus.getxOffset() + 0.5, Interpolator.EASE_BOTH), new KeyValue(torus.yOffsetProperty(), torus.getyOffset() + 0.5, Interpolator.EASE_BOTH), new KeyValue(torus.zOffsetProperty(), torus.getzOffset() + 2, Interpolator.EASE_BOTH), new KeyValue(torus.tubeDivisionsProperty(), 120, Interpolator.EASE_BOTH), new KeyValue(torus.radiusDivisionsProperty(), 120, Interpolator.EASE_BOTH), new KeyValue(torus.tubeRadiusProperty(), 400, Interpolator.EASE_BOTH) }) });
    t.setCycleCount(Animation.INDEFINITE);
    t.setAutoReverse(true);
    t.playFromStart();
}

Example 4 with PointLight

use of javafx.scene.PointLight in project FXyzLib by Birdasaur.

the class PrismTest method start.

@Override
public void start(Stage primaryStage) throws Exception {
    Group sceneRoot = new Group();
    Scene scene = new Scene(sceneRoot, sceneWidth, sceneHeight, true, SceneAntialiasing.BALANCED);
    scene.setFill(Color.WHITESMOKE);
    camera = new PerspectiveCamera(true);
    //setup camera transform for rotational support
    cameraTransform.setTranslate(0, 0, 0);
    cameraTransform.getChildren().add(camera);
    camera.setNearClip(0.1);
    camera.setFarClip(10000.0);
    camera.setTranslateZ(-30);
    //        cameraTransform.ry.setAngle(-45.0);
    //        cameraTransform.rx.setAngle(-10.0);
    //add a Point Light for better viewing of the grid coordinate system
    PointLight light = new PointLight(Color.WHITE);
    cameraTransform.getChildren().add(light);
    light.setTranslateX(camera.getTranslateX());
    light.setTranslateY(camera.getTranslateY());
    light.setTranslateZ(10 * camera.getTranslateZ());
    scene.setCamera(camera);
    rotateY = new Rotate(0, 0, 0, 0, Rotate.Y_AXIS);
    Group group = new Group();
    group.getChildren().add(cameraTransform);
    cylinder = new PrismMesh(2, 5, 4);
    //        cylinder = new PrismMesh(0.2,2,3); //,new Point3D(-5,5,0),new Point3D(0,0,5));
    //        cylinder.setDrawMode(DrawMode.LINE);
    // SECTION TYPE
    cylinder.setSectionType(TriangleMeshHelper.SectionType.TRIANGLE);
    // NONE
    //        cylinder.setTextureModeNone(Color.ROYALBLUE);
    // IMAGE
    //        cylinder.setTextureModeImage(getClass().getResource("res/netCylinder.png").toExternalForm());
    cylinder.setTextureModeVertices1D(6, t -> t);
    //        cylinder.setColorPalette(ColorPalette.GREEN);
    // DENSITY
    //        cylinder.setTextureModeVertices3D(1530,p->(double)p.magnitude());
    //        cylinder.setTextureModeVertices3D(1530,p->(double)cylinder.unTransform(p).magnitude());
    // FACES
    //        cylinder.setTextureModeFaces(1530);
    cylinder.getTransforms().addAll(new Rotate(0, Rotate.X_AXIS), rotateY);
    group.getChildren().add(cylinder);
    boolean showKnots = true;
    if (showKnots) {
        Sphere s = new Sphere(cylinder.getRadius() / 10d);
        Point3D k0 = cylinder.getAxisOrigin();
        s.getTransforms().add(new Translate(k0.x, k0.y, k0.z));
        s.setMaterial(new PhongMaterial(Color.GREENYELLOW));
        group.getChildren().add(s);
        s = new Sphere(cylinder.getRadius() / 10d);
        Point3D k3 = cylinder.getAxisEnd();
        s.getTransforms().add(new Translate(k3.x, k3.y, k3.z));
        s.setMaterial(new PhongMaterial(Color.ROSYBROWN));
        group.getChildren().add(s);
    }
    sceneRoot.getChildren().addAll(group);
    //First person shooter keyboard movement 
    scene.setOnKeyPressed(event -> {
        double change = 10.0;
        if (event.isShiftDown()) {
            change = 50.0;
        }
        KeyCode keycode = event.getCode();
        if (keycode == KeyCode.W) {
            camera.setTranslateZ(camera.getTranslateZ() + change);
        }
        if (keycode == KeyCode.S) {
            camera.setTranslateZ(camera.getTranslateZ() - change);
        }
        if (keycode == KeyCode.A) {
            camera.setTranslateX(camera.getTranslateX() - change);
        }
        if (keycode == KeyCode.D) {
            camera.setTranslateX(camera.getTranslateX() + change);
        }
    });
    scene.setOnMousePressed((MouseEvent me) -> {
        mousePosX = me.getSceneX();
        mousePosY = me.getSceneY();
        mouseOldX = me.getSceneX();
        mouseOldY = me.getSceneY();
    });
    scene.setOnMouseDragged((MouseEvent me) -> {
        mouseOldX = mousePosX;
        mouseOldY = mousePosY;
        mousePosX = me.getSceneX();
        mousePosY = me.getSceneY();
        mouseDeltaX = (mousePosX - mouseOldX);
        mouseDeltaY = (mousePosY - mouseOldY);
        double modifier = 10.0;
        double modifierFactor = 0.1;
        if (me.isControlDown()) {
            modifier = 0.1;
        }
        if (me.isShiftDown()) {
            modifier = 50.0;
        }
        if (me.isPrimaryButtonDown()) {
            // +
            cameraTransform.ry.setAngle(((cameraTransform.ry.getAngle() + mouseDeltaX * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180);
            // -
            cameraTransform.rx.setAngle(((cameraTransform.rx.getAngle() - mouseDeltaY * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180);
        } else if (me.isSecondaryButtonDown()) {
            double z = camera.getTranslateZ();
            double newZ = z + mouseDeltaX * modifierFactor * modifier;
            camera.setTranslateZ(newZ);
        } else if (me.isMiddleButtonDown()) {
            // -
            cameraTransform.t.setX(cameraTransform.t.getX() + mouseDeltaX * modifierFactor * modifier * 0.3);
            // -
            cameraTransform.t.setY(cameraTransform.t.getY() + mouseDeltaY * modifierFactor * modifier * 0.3);
        }
    });
    primaryStage.setTitle("F(X)yz - Cylinder Test");
    primaryStage.setScene(scene);
    primaryStage.show();
    //        OBJWriter writer=new OBJWriter((TriangleMesh) cylinder.getMesh(),"cylinder2");
    ////        writer.setMaterialColor(Color.AQUA);
    ////        writer.setTextureImage(getClass().getResource("res/netCylinder.png").toExternalForm());
    //        writer.setTextureColors(6,ColorPalette.GREEN);
    //        writer.exportMesh();
    lastEffect = System.nanoTime();
    AtomicInteger count = new AtomicInteger(0);
    AnimationTimer timerEffect = new AnimationTimer() {

        @Override
        public void handle(long now) {
            if (now > lastEffect + 100_000_000l) {
                //<=1/6d)?1d:0d;
                func = t -> Math.pow(Math.sin(8d * Math.PI * (10d * (1 - t.doubleValue()) + count.get() % 11) / 20d), 6);
                //                    cylinder.setFunction(func);
                //                    mapBez.values().forEach(b->b.setDensity(dens));
                count.getAndIncrement();
                lastEffect = now;
            }
        }
    };
//        timerEffect.start();
}

Example 5 with PointLight

use of javafx.scene.PointLight in project FXyzLib by Birdasaur.

the class ClothMeshTest method start.

@Override
public void start(Stage stage) throws Exception {
    camera = new PerspectiveCamera(true);
    cameraTransform.setTranslate(0, 0, 0);
    cameraTransform.getChildren().addAll(camera);
    camera.setNearClip(0.1);
    camera.setFarClip(1000000.0);
    camera.setFieldOfView(42);
    camera.setVerticalFieldOfView(true);
    camera.setTranslateZ(-1500);
    PointLight light = new PointLight(Color.LIGHTSKYBLUE);
    //cameraTransform.getChildren().add(light);
    light.translateXProperty().bind(camera.translateXProperty());
    light.translateYProperty().bind(camera.translateYProperty());
    light.translateZProperty().bind(camera.translateZProperty());
    ClothMesh cloth = new ClothMesh();
    cloth.setPerPointMass(10);
    cloth.setBendStrength(0.5);
    cloth.setStretchStrength(1.0);
    cloth.setShearStrength(0.55);
    cloth.setDrawMode(DrawMode.LINE);
    cloth.setCullFace(CullFace.NONE);
    //        cloth.setDiffuseMap(new Image("https://kenai.com/attachments/wiki_images/duke/Duke3DprogressionSmall.jpg"));
    cloth.setSpecularPower(5);
    StackPane root = new StackPane();
    root.setPickOnBounds(false);
    PointLight light2 = new PointLight(Color.GAINSBORO);
    light2.setTranslateZ(-1500);
    PointLight light3 = new PointLight(Color.AZURE);
    light3.setTranslateZ(2500);
    Group g = new Group();
    g.getChildren().addAll(cameraTransform, cloth, light2, light3);
    root.getChildren().add(g);
    Scene scene = new Scene(root, 1200, 600, true, SceneAntialiasing.BALANCED);
    Stop[] stops = new Stop[] { new Stop(0, Color.BLACK), new Stop(1, Color.RED) };
    LinearGradient lg = new LinearGradient(0, 0, 0, 1, true, CycleMethod.NO_CYCLE, stops);
    scene.setFill(lg);
    scene.setCamera(camera);
    //First person shooter keyboard movement
    scene.setOnKeyPressed(event -> {
        double change = 10.0;
        if (event.isShiftDown()) {
            change = 50.0;
        }
        KeyCode keycode = event.getCode();
        if (keycode == KeyCode.W) {
            camera.setTranslateZ(camera.getTranslateZ() + change);
        }
        if (keycode == KeyCode.S) {
            camera.setTranslateZ(camera.getTranslateZ() - change);
        }
        if (keycode == KeyCode.A) {
            camera.setTranslateX(camera.getTranslateX() - change);
        }
        if (keycode == KeyCode.D) {
            camera.setTranslateX(camera.getTranslateX() + change);
        }
    });
    scene.setOnMousePressed((MouseEvent me) -> {
        mousePosX = me.getSceneX();
        mousePosY = me.getSceneY();
        mouseOldX = me.getSceneX();
        mouseOldY = me.getSceneY();
    });
    scene.setOnMouseDragged((MouseEvent me) -> {
        if (!cloth.isHover()) {
            mouseOldX = mousePosX;
            mouseOldY = mousePosY;
            mousePosX = me.getSceneX();
            mousePosY = me.getSceneY();
            mouseDeltaX = (mousePosX - mouseOldX);
            mouseDeltaY = (mousePosY - mouseOldY);
            double modifier = 10.0;
            double modifierFactor = 0.1;
            if (me.isControlDown()) {
                modifier = 0.1;
            }
            if (me.isShiftDown()) {
                modifier = 50.0;
            }
            if (me.isPrimaryButtonDown()) {
                // +
                cameraTransform.ry.setAngle(((cameraTransform.ry.getAngle() + mouseDeltaX * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180);
                // - 
                cameraTransform.rx.setAngle(((cameraTransform.rx.getAngle() - mouseDeltaY * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180);
            } else if (me.isSecondaryButtonDown()) {
                double z = camera.getTranslateZ();
                double newZ = z + mouseDeltaX * modifierFactor * modifier;
                camera.setTranslateZ(newZ);
            } else if (me.isMiddleButtonDown()) {
                // -
                cameraTransform.t.setX(cameraTransform.t.getX() + mouseDeltaX * modifierFactor * modifier * 0.3);
                // -
                cameraTransform.t.setY(cameraTransform.t.getY() + mouseDeltaY * modifierFactor * modifier * 0.3);
            }
        }
    });
    stage.setScene(scene);
    //stage.setMaximized(true);
    stage.show();
    cloth.startSimulation();
}