Examples with BezierMesh org.fxyz.shapes.primitives.BezierMesh used on opensource projects

Example 1 with BezierMesh

use of org.fxyz.shapes.primitives.BezierMesh in project FXyzLib by Birdasaur.

the class BezierTest 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.setTranslateZ(-10);
    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);
    cameraTransform.getChildren().add(new AmbientLight(Color.WHITE));
    light.setTranslateX(camera.getTranslateX());
    light.setTranslateY(camera.getTranslateY());
    light.setTranslateZ(camera.getTranslateZ());
    scene.setCamera(camera);
    rotateY = new Rotate(0, 0, 0, 0, Rotate.Y_AXIS);
    Group group = new Group();
    group.getChildren().add(cameraTransform);
    //        List<Point3D> knots=Arrays.asList(new Point3D(0f,0f,0f),new Point3D(3f,0f,2f),
    //                new Point3D(5f,2f,3f),new Point3D(7f,-3f,0f),new Point3D(6f,-1f,-4f));
    List<Point3D> knots = Arrays.asList(new Point3D(3f, 0f, 0f), new Point3D(0.77171f, 1.68981f, 0.989821f), new Point3D(-0.681387f, 0.786363f, -0.281733f), new Point3D(-2.31757f, -0.680501f, -0.909632f), new Point3D(-0.404353f, -2.81233f, 0.540641f), new Point3D(1.1316f, -0.727237f, 0.75575f), new Point3D(1.1316f, 0.727237f, -0.75575f), new Point3D(-0.404353f, 2.81233f, -0.540641f), new Point3D(-2.31757f, 0.680501f, 0.909632f), new Point3D(-0.681387f, -0.786363f, 0.281733f), new Point3D(0.77171f, -1.68981f, -0.989821f), new Point3D(3f, 0f, 0f));
    boolean showControlPoints = true;
    boolean showKnots = true;
    InterpolateBezier interpolate = new InterpolateBezier(knots);
    beziers = new ArrayList<>();
    AtomicInteger sp = new AtomicInteger();
    if (showKnots || showControlPoints) {
        interpolate.getSplines().forEach(spline -> {
            Point3D k0 = spline.getPoints().get(0);
            Point3D k1 = spline.getPoints().get(1);
            Point3D k2 = spline.getPoints().get(2);
            Point3D k3 = spline.getPoints().get(3);
            if (showKnots) {
                Sphere s = new Sphere(0.2d);
                s.getTransforms().add(new Translate(k0.x, k0.y, k0.z));
                s.setMaterial(new PhongMaterial(Color.GREENYELLOW));
                group.getChildren().add(s);
                s = new Sphere(0.2d);
                s.getTransforms().add(new Translate(k3.x, k3.y, k3.z));
                s.setMaterial(new PhongMaterial(Color.GREENYELLOW));
                group.getChildren().add(s);
            }
            if (showControlPoints) {
                PrismMesh c = new PrismMesh(0.03d, 1d, 1, k0, k1);
                c.setTextureModeNone(Color.GREEN);
                group.getChildren().add(c);
                c = new PrismMesh(0.03d, 1d, 1, k1, k2);
                c.setTextureModeNone(Color.GREEN);
                group.getChildren().add(c);
                c = new PrismMesh(0.03d, 1d, 1, k2, k3);
                c.setTextureModeNone(Color.GREEN);
                group.getChildren().add(c);
                Sphere s = new Sphere(0.1d);
                s.getTransforms().add(new Translate(k1.x, k1.y, k1.z));
                s.setMaterial(new PhongMaterial(Color.RED));
                group.getChildren().add(s);
                s = new Sphere(0.1d);
                s.getTransforms().add(new Translate(k2.x, k2.y, k2.z));
                s.setMaterial(new PhongMaterial(Color.RED));
                group.getChildren().add(s);
            }
        });
    }
    long time = System.currentTimeMillis();
    interpolate.getSplines().stream().forEach(spline -> {
        BezierMesh bezier = new BezierMesh(spline, 0.1d, 300, 20, 0, 0);
        bezier.setTextureModeVertices1D(1530, t -> spline.getKappa(t.doubleValue()));
        bezier.getTransforms().addAll(new Rotate(0, Rotate.X_AXIS), rotateY);
        beziers.add(bezier);
    });
    //43.815->25.606->15
    System.out.println("time: " + (System.currentTimeMillis() - time));
    group.getChildren().addAll(beziers);
    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);
        }
    });
    lastEffect = System.nanoTime();
    AtomicInteger count = new AtomicInteger();
    AnimationTimer timerEffect = new AnimationTimer() {

        @Override
        public void handle(long now) {
            if (now > lastEffect + 1_000_000_000l) {
                //                    Point3D loc = knot.getPositionAt((count.get()%100)*2d*Math.PI/100d);
                //                    Point3D dir = knot.getTangentAt((count.get()%100)*2d*Math.PI/100d);
                //                    cameraTransform.t.setX(loc.x);
                //                    cameraTransform.t.setY(loc.y);
                //                    cameraTransform.t.setZ(-loc.z);
                //                    javafx.geometry.Point3D axis = cameraTransform.rx.getAxis();
                //                    javafx.geometry.Point3D cross = axis.crossProduct(-dir.x,-dir.y,-dir.z);
                //                    double angle = axis.angle(-dir.x,-dir.y,-dir.z);
                //                    cameraTransform.rx.setAngle(angle);
                //                    cameraTransform.rx.setAxis(new javafx.geometry.Point3D(cross.getX(),-cross.getY(),cross.getZ()));
                //                    dens = p->(float)(p.x*Math.cos(count.get()%100d*2d*Math.PI/50d)+p.y*Math.sin(count.get()%100d*2d*Math.PI/50d));
                func = t -> Math.pow(t.doubleValue(), (count.get() % 5d));
                beziers.forEach(b -> b.setFunction(func));
                //                    knot.setP(1+(count.get()%5));
                //                    knot.setQ(2+(count.get()%15));
                //                    if(count.get()%100<50){
                //                        knot.setDrawMode(DrawMode.LINE);
                //                    } else {
                //                        knot.setDrawMode(DrawMode.FILL);
                //                    }
                //                    beziers.forEach(b->b.setColors((int)Math.pow(2,count.get()%16)));
                //                    beziers.forEach(b->b.setWireRadius(0.1d+(count.get()%6)/10d));
                //                    beziers.forEach(b->b.setPatternScale(1d+(count.get()%10)*3d));
                //                    beziers.forEach(b->b.setSectionType(SectionType.values()[count.get()%SectionType.values().length]));
                count.getAndIncrement();
                lastEffect = now;
            }
        }
    };
    primaryStage.setTitle("F(X)yz - Bezier Splines");
    primaryStage.setScene(scene);
    primaryStage.show();
    timerEffect.start();
}