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Example 1 with InterpolateBezier

use of org.fxyz.shapes.primitives.helper.InterpolateBezier 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();
}
Also used : Group(javafx.scene.Group) MouseEvent(javafx.scene.input.MouseEvent) Rotate(javafx.scene.transform.Rotate) AnimationTimer(javafx.animation.AnimationTimer) PerspectiveCamera(javafx.scene.PerspectiveCamera) Scene(javafx.scene.Scene) Sphere(javafx.scene.shape.Sphere) InterpolateBezier(org.fxyz.shapes.primitives.helper.InterpolateBezier) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) Point3D(org.fxyz.geometry.Point3D) PrismMesh(org.fxyz.shapes.primitives.PrismMesh) KeyCode(javafx.scene.input.KeyCode) PointLight(javafx.scene.PointLight) PhongMaterial(javafx.scene.paint.PhongMaterial) Translate(javafx.scene.transform.Translate) BezierMesh(org.fxyz.shapes.primitives.BezierMesh) AmbientLight(javafx.scene.AmbientLight)

Aggregations

AtomicInteger (java.util.concurrent.atomic.AtomicInteger)1 AnimationTimer (javafx.animation.AnimationTimer)1 AmbientLight (javafx.scene.AmbientLight)1 Group (javafx.scene.Group)1 PerspectiveCamera (javafx.scene.PerspectiveCamera)1 PointLight (javafx.scene.PointLight)1 Scene (javafx.scene.Scene)1 KeyCode (javafx.scene.input.KeyCode)1 MouseEvent (javafx.scene.input.MouseEvent)1 PhongMaterial (javafx.scene.paint.PhongMaterial)1 Sphere (javafx.scene.shape.Sphere)1 Rotate (javafx.scene.transform.Rotate)1 Translate (javafx.scene.transform.Translate)1 Point3D (org.fxyz.geometry.Point3D)1 BezierMesh (org.fxyz.shapes.primitives.BezierMesh)1 PrismMesh (org.fxyz.shapes.primitives.PrismMesh)1 InterpolateBezier (org.fxyz.shapes.primitives.helper.InterpolateBezier)1