Examples with Axes org.fxyz.utils.Axes used on opensource projects

Example 1 with Axes

use of org.fxyz.utils.Axes in project FXyzLib by Birdasaur.

the class RayTest 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.WHEAT);
    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(-40);
    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);
    knot = new KnotMesh(2d, 1d, 0.4d, 2d, 3d, 100, 20, 0, 0);
    // knot.setDrawMode(DrawMode.LINE);
    knot.setCullFace(CullFace.NONE);
    knot.setSectionType(SectionType.TRIANGLE);
    spring = new CurvedSpringMesh(6d, 2d, 0.4d, 25d, 6.25d * 2d * Math.PI, 1000, 60, 0, 0);
    spring.getTransforms().addAll(new Translate(6, -6, 0));
    spring.setDrawMode(DrawMode.LINE);
    spring.setCullFace(CullFace.NONE);
    // spring.setTextureModeVertices3D(256*256,dens);
    // NONE
    knot.setTextureModeNone(Color.BROWN);
    spring.setTextureModeNone(Color.BROWN);
    knot.getTransforms().addAll(new Rotate(0, Rotate.X_AXIS), rotateY);
    group.getChildren().add(knot);
    group.getChildren().add(spring);
    /*
        Origin in knot
        Target in spring
        */
    org.fxyz.geometry.Point3D locOrigin = knot.getOrigin();
    Point3D gloOrigin = knot.localToScene(new Point3D(locOrigin.x, locOrigin.y, locOrigin.z));
    org.fxyz.geometry.Point3D locTarget1 = spring.getOrigin();
    Point3D locTarget2 = new Point3D(locTarget1.x, locTarget1.y, locTarget1.z);
    Point3D gloTarget = spring.localToScene(locTarget2);
    Point3D gloDirection = gloTarget.subtract(gloOrigin).normalize();
    Point3D gloOriginInLoc = spring.sceneToLocal(gloOrigin);
    Bounds locBounds = spring.getBoundsInLocal();
    Bounds gloBounds = spring.localToScene(locBounds);
    Sphere s = new Sphere(0.05d);
    s.getTransforms().add(new Translate(gloOrigin.getX(), gloOrigin.getY(), gloOrigin.getZ()));
    s.setMaterial(new PhongMaterial(Color.GREENYELLOW));
    group.getChildren().add(s);
    s = new Sphere(0.05d);
    s.getTransforms().add(new Translate(gloTarget.getX(), gloTarget.getY(), gloTarget.getZ()));
    s.setMaterial(new PhongMaterial(Color.GREENYELLOW));
    Point3D dir = gloTarget.subtract(gloOrigin).crossProduct(new Point3D(0, -1, 0));
    double angle = Math.acos(gloTarget.subtract(gloOrigin).normalize().dotProduct(new Point3D(0, -1, 0)));
    double h1 = gloTarget.subtract(gloOrigin).magnitude();
    Cylinder c = new Cylinder(0.01d, h1);
    c.getTransforms().addAll(new Translate(gloOrigin.getX(), gloOrigin.getY() - h1 / 2d, gloOrigin.getZ()), new Rotate(-Math.toDegrees(angle), 0d, h1 / 2d, 0d, new Point3D(dir.getX(), -dir.getY(), dir.getZ())));
    c.setMaterial(new PhongMaterial(Color.GREEN));
    group.getChildren().add(c);
    group.getChildren().add(new Axes(0.02));
    Box box = new Box(gloBounds.getWidth(), gloBounds.getHeight(), gloBounds.getDepth());
    // If transparency is enabled (8u60+), comment:
    box.setDrawMode(DrawMode.LINE);
    box.setCullFace(CullFace.NONE);
    // If transparency is enabled (8u60+), uncomment:
    // box.setMaterial(new PhongMaterial(Color.web("8A2BE2",0.3)));
    box.getTransforms().add(new Translate(gloBounds.getMinX() + gloBounds.getWidth() / 2d, gloBounds.getMinY() + gloBounds.getHeight() / 2d, gloBounds.getMinZ() + gloBounds.getDepth() / 2d));
    group.getChildren().add(box);
    /*
        FIRST STEP; Check the ray crosses the bounding box of the shape at any of
        its 6 faces
        */
    List<Point3D> normals = Arrays.asList(new Point3D(-1, 0, 0), new Point3D(1, 0, 0), new Point3D(0, -1, 0), new Point3D(0, 1, 0), new Point3D(0, 0, -1), new Point3D(0, 0, 1));
    List<Point3D> positions = Arrays.asList(new Point3D(locBounds.getMinX(), 0, 0), new Point3D(locBounds.getMaxX(), 0, 0), new Point3D(0, locBounds.getMinY(), 0), new Point3D(0, locBounds.getMaxY(), 0), new Point3D(0, 0, locBounds.getMinZ()), new Point3D(0, 0, locBounds.getMaxZ()));
    AtomicInteger counter = new AtomicInteger();
    IntStream.range(0, 6).forEach(i -> {
        // ray[t]= ori+t.dir; t/ray[t]=P in plane
        // plane P·N+d=0->(ori+t*dir)·N+d=0->t=-(ori.N+d)/(dir.N)
        // P=P(x,y,z), N={a,b,c}, d=-a·x0-b·y0-c·z0
        double d = -normals.get(i).dotProduct(positions.get(i));
        double t = -(gloOriginInLoc.dotProduct(normals.get(i)) + d) / (gloDirection.dotProduct(normals.get(i)));
        Point3D locInter = gloOriginInLoc.add(gloDirection.multiply(t));
        if (locBounds.contains(locInter)) {
            counter.getAndIncrement();
            Point3D gloInter = spring.localToScene(locInter);
            Sphere s2 = new Sphere(0.1d);
            s2.getTransforms().add(new Translate(gloInter.getX(), gloInter.getY(), gloInter.getZ()));
            s2.setMaterial(new PhongMaterial(Color.GOLD));
            group.getChildren().add(s2);
        }
    });
    if (counter.get() > 0) {
        /*
            SECOND STEP: Check if the ray crosses any of the triangles of the mesh
            */
        // triangle mesh
        org.fxyz.geometry.Point3D gloOriginInLoc1 = new org.fxyz.geometry.Point3D((float) gloOriginInLoc.getX(), (float) gloOriginInLoc.getY(), (float) gloOriginInLoc.getZ());
        org.fxyz.geometry.Point3D gloDirection1 = new org.fxyz.geometry.Point3D((float) gloDirection.getX(), (float) gloDirection.getY(), (float) gloDirection.getZ());
        System.out.println("inter: " + spring.getIntersections(gloOriginInLoc1, gloDirection1));
    }
    sceneRoot.getChildren().addAll(group);
    // First person shooter keyboard movement
    scene.setOnKeyPressed(event -> {
        double change = 10.0;
        // Add shift modifier to simulate "Running Speed"
        if (event.isShiftDown()) {
            change = 50.0;
        }
        // What key did the user press?
        KeyCode keycode = event.getCode();
        // Step 2c: Add Zoom controls
        if (keycode == KeyCode.W) {
            camera.setTranslateZ(camera.getTranslateZ() + change);
        }
        if (keycode == KeyCode.S) {
            camera.setTranslateZ(camera.getTranslateZ() - change);
        }
        // Step 2d:  Add Strafe controls
        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 - Ray Picker Between Nodes");
    primaryStage.setScene(scene);
    primaryStage.show();
}

Example 2 with Axes

use of org.fxyz.utils.Axes in project FXyzLib by Birdasaur.

the class CuboidTest 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(-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);
    cuboid = new CuboidMesh(10f, 12f, 4f, 5, new Point3D(0f, 0f, 0f));
    // cuboid.setDrawMode(DrawMode.LINE);
    // cuboid.setCullFace(CullFace.NONE);
    // NONE
    cuboid.setTextureModeNone(Color.ROYALBLUE);
    // IMAGE
    // cuboid.setTextureModeImage(getClass().getResource("res/netCuboid.png").toExternalForm());
    // DENSITY
    // cuboid.setTextureModeVertices3D(256*256,p->(double)p.x*p.y*p.z);
    // FACES
    // cuboid.setTextureModeFaces(1530);
    cuboid.getTransforms().addAll(new Rotate(0, Rotate.X_AXIS), rotateY);
    group.getChildren().add(cuboid);
    boolean testRayIntersection = false;
    if (testRayIntersection) {
        /*
            RAY INTERSECTION
            */
        javafx.geometry.Point3D gloOrigin = new javafx.geometry.Point3D(4, -7, -4);
        javafx.geometry.Point3D gloTarget = new javafx.geometry.Point3D(2, 3, 4);
        javafx.geometry.Point3D gloDirection = gloTarget.subtract(gloOrigin).normalize();
        javafx.geometry.Point3D gloOriginInLoc = cuboid.sceneToLocal(gloOrigin);
        Bounds locBounds = cuboid.getBoundsInLocal();
        Bounds gloBounds = cuboid.localToScene(locBounds);
        Sphere s = new Sphere(0.05d);
        s.getTransforms().add(new Translate(gloOrigin.getX(), gloOrigin.getY(), gloOrigin.getZ()));
        s.setMaterial(new PhongMaterial(Color.GREENYELLOW));
        group.getChildren().add(s);
        s = new Sphere(0.05d);
        s.getTransforms().add(new Translate(gloTarget.getX(), gloTarget.getY(), gloTarget.getZ()));
        s.setMaterial(new PhongMaterial(Color.GREENYELLOW));
        group.getChildren().add(s);
        javafx.geometry.Point3D dir = gloTarget.subtract(gloOrigin).crossProduct(new javafx.geometry.Point3D(0, -1, 0));
        double angle = Math.acos(gloTarget.subtract(gloOrigin).normalize().dotProduct(new javafx.geometry.Point3D(0, -1, 0)));
        double h1 = gloTarget.subtract(gloOrigin).magnitude();
        Cylinder c = new Cylinder(0.03d, h1);
        c.getTransforms().addAll(new Translate(gloOrigin.getX(), gloOrigin.getY() - h1 / 2d, gloOrigin.getZ()), new Rotate(-Math.toDegrees(angle), 0d, h1 / 2d, 0d, new javafx.geometry.Point3D(dir.getX(), -dir.getY(), dir.getZ())));
        c.setMaterial(new PhongMaterial(Color.GREEN));
        group.getChildren().add(c);
        group.getChildren().add(new Axes(0.02));
        Box box = new Box(gloBounds.getWidth(), gloBounds.getHeight(), gloBounds.getDepth());
        box.setDrawMode(DrawMode.LINE);
        box.setMaterial(new PhongMaterial(Color.BLUEVIOLET));
        box.getTransforms().add(new Translate(gloBounds.getMinX() + gloBounds.getWidth() / 2d, gloBounds.getMinY() + gloBounds.getHeight() / 2d, gloBounds.getMinZ() + gloBounds.getDepth() / 2d));
        // group.getChildren().add(box);
        /*
            FIRST STEP; Check the ray crosses the bounding box of the shape at any of
            its 6 faces
            */
        List<javafx.geometry.Point3D> normals = Arrays.asList(new javafx.geometry.Point3D(-1, 0, 0), new javafx.geometry.Point3D(1, 0, 0), new javafx.geometry.Point3D(0, -1, 0), new javafx.geometry.Point3D(0, 1, 0), new javafx.geometry.Point3D(0, 0, -1), new javafx.geometry.Point3D(0, 0, 1));
        List<javafx.geometry.Point3D> positions = Arrays.asList(new javafx.geometry.Point3D(locBounds.getMinX(), 0, 0), new javafx.geometry.Point3D(locBounds.getMaxX(), 0, 0), new javafx.geometry.Point3D(0, locBounds.getMinY(), 0), new javafx.geometry.Point3D(0, locBounds.getMaxY(), 0), new javafx.geometry.Point3D(0, 0, locBounds.getMinZ()), new javafx.geometry.Point3D(0, 0, locBounds.getMaxZ()));
        AtomicInteger counter = new AtomicInteger();
        IntStream.range(0, 6).forEach(i -> {
            // ray[t]= ori+t.dir; t/ray[t]=P in plane
            // plane P·N+d=0->(ori+t*dir)·N+d=0->t=-(ori.N+d)/(dir.N)
            // P=P(x,y,z), N={a,b,c}, d=-a·x0-b·y0-c·z0
            double d = -normals.get(i).dotProduct(positions.get(i));
            double t = -(gloOriginInLoc.dotProduct(normals.get(i)) + d) / (gloDirection.dotProduct(normals.get(i)));
            javafx.geometry.Point3D locInter = gloOriginInLoc.add(gloDirection.multiply(t));
            if (locBounds.contains(locInter)) {
                counter.getAndIncrement();
                javafx.geometry.Point3D gloInter = cuboid.localToScene(locInter);
                Sphere s2 = new Sphere(0.1d);
                s2.getTransforms().add(new Translate(gloInter.getX(), gloInter.getY(), gloInter.getZ()));
                s2.setMaterial(new PhongMaterial(Color.GOLD));
            // group.getChildren().add(s2);
            }
        });
        if (counter.get() > 0) {
            /*
                SECOND STEP: Check if the ray crosses any of the triangles of the mesh
                */
            // triangle mesh
            org.fxyz.geometry.Point3D gloOriginInLoc1 = new org.fxyz.geometry.Point3D((float) gloOriginInLoc.getX(), (float) gloOriginInLoc.getY(), (float) gloOriginInLoc.getZ());
            org.fxyz.geometry.Point3D gloDirection1 = new org.fxyz.geometry.Point3D((float) gloDirection.getX(), (float) gloDirection.getY(), (float) gloDirection.getZ());
            System.out.println("number of intersections: " + cuboid.getIntersections(gloOriginInLoc1, gloDirection1));
        }
    }
    sceneRoot.getChildren().addAll(group);
    // First person shooter keyboard movement
    scene.setOnKeyPressed(event -> {
        double change = 10.0;
        // Add shift modifier to simulate "Running Speed"
        if (event.isShiftDown()) {
            change = 50.0;
        }
        // What key did the user press?
        KeyCode keycode = event.getCode();
        // Step 2c: Add Zoom controls
        if (keycode == KeyCode.W) {
            camera.setTranslateZ(camera.getTranslateZ() + change);
        }
        if (keycode == KeyCode.S) {
            camera.setTranslateZ(camera.getTranslateZ() - change);
        }
        // Step 2d:  Add Strafe controls
        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 - Cuboid Test");
    primaryStage.setScene(scene);
    primaryStage.show();
    OBJWriter writer = new OBJWriter((TriangleMesh) cuboid.getMesh(), "cuboid");
    // writer.setMaterialColor(Color.AQUA);
    // writer.setTextureImage(getClass().getResource("res/netCuboid.png").toExternalForm());
    writer.setTextureColors(256 * 256);
    writer.exportMesh();
}