Example usage for javax.media.j3d TransformGroup setTransform

Introduction

In this page you can find the example usage for javax.media.j3d TransformGroup setTransform.

Prototype

public void setTransform(Transform3D t1) 

Source Link

Document

Sets the transform component of this TransformGroup to the value of the passed transform.

Usage

From source file:AvatarTest.java

public static void main(String[] args) {
    AvatarTest avatarTest = new AvatarTest();

    // Create a simple scene and attach it to the virtual universe
    SimpleUniverse u = new SimpleUniverse();

    PhysicalEnvironment physicalEnv = u.getViewer().getPhysicalEnvironment();

    TransformGroup tg = u.getViewer().getViewingPlatform().getViewPlatformTransform();

    Transform3D t3d = new Transform3D();
    t3d.set(new Vector3f(0, 0.5f, 0));
    tg.setTransform(t3d);

    CarSteering keys = new CarSteering(tg);
    keys.setSchedulingBounds(avatarTest.getBoundingSphere());

    u.getViewer().setAvatar(avatarTest.createAvatar());

    if (physicalEnv != null) {
        JavaSoundMixer javaSoundMixer = new JavaSoundMixer(physicalEnv);

        if (javaSoundMixer == null)
            System.out.println("Unable to create AudioDevice.");

        javaSoundMixer.initialize();/*from  w w w.  j ava 2  s.  c  o  m*/
    }

    // Add everthing to the scene graph - it will now be displayed.
    BranchGroup scene = avatarTest.createSceneGraph();
    scene.addChild(keys);
    //      Java3dTree j3dTree = new Java3dTree();

    //   j3dTree.recursiveApplyCapability(scene);

    u.addBranchGraph(scene);

    //j3dTree.updateNodes(u);

    u.getViewingPlatform().getViewPlatform().setActivationRadius(2);
}

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From source file:SimpleGeometry.java

public BranchGroup createSceneGraph() {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create a Transformgroup to scale all objects so they
    // appear in the scene.
    TransformGroup objScale = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setScale(0.4);//from w w w. j  av  a  2 s  .com
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

    // Create the transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add it to the
    // root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objScale.addChild(objTrans);

    // Create a simple shape leaf node, add it to the scene graph.
    objTrans.addChild(new ColorCube());

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into
    // the scene graph.
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    rotator.setSchedulingBounds(bounds);
    objTrans.addChild(rotator);

    // Have Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

---

From source file:Position.java

public Position() {
    SimpleUniverse universe = new SimpleUniverse();
    BranchGroup group = new BranchGroup();
    // X axis made of spheres
    for (float x = -1.0f; x <= 1.0f; x = x + 0.1f) {
        Sphere sphere = new Sphere(0.05f);
        TransformGroup tg = new TransformGroup();
        Transform3D transform = new Transform3D();
        Vector3f vector = new Vector3f(x, .0f, .0f);
        transform.setTranslation(vector);
        tg.setTransform(transform);
        tg.addChild(sphere);/*  w ww  .j ava  2s  . c o m*/
        group.addChild(tg);
    }
    // Y axis made of cones
    for (float y = -1.0f; y <= 1.0f; y = y + 0.1f) {
        TransformGroup tg = new TransformGroup();
        Transform3D transform = new Transform3D();
        Cone cone = new Cone(0.05f, 0.1f);
        Vector3f vector = new Vector3f(.0f, y, .0f);
        transform.setTranslation(vector);
        tg.setTransform(transform);
        tg.addChild(cone);
        group.addChild(tg);
    }
    // Z axis made of cylinders
    for (float z = -1.0f; z <= 1.0f; z = z + 0.1f) {
        TransformGroup tg = new TransformGroup();
        Transform3D transform = new Transform3D();
        Cylinder cylinder = new Cylinder(0.05f, 0.1f);
        Vector3f vector = new Vector3f(.0f, .0f, z);
        transform.setTranslation(vector);
        tg.setTransform(transform);
        tg.addChild(cylinder);
        group.addChild(tg);
    }

    Color3f light1Color = new Color3f(.1f, 1.4f, .1f); // green light
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f);
    DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction);
    light1.setInfluencingBounds(bounds);
    group.addChild(light1);
    universe.getViewingPlatform().setNominalViewingTransform();

    // add the group of objects to the Universe
    universe.addBranchGraph(group);
}

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From source file:ModelClipTest.java

public BranchGroup createSceneGraph() {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    // Create a Transformgroup to scale all objects so they
    // appear in the scene.
    TransformGroup objScale = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setScale(0.4);/* ww  w.  j a va2 s .co  m*/
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

    // This Transformgroup is used by the mouse manipulators to
    // move the CYlinder.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    objScale.addChild(objTrans);

    //Create Model Clip
    ModelClip mc = new ModelClip();
    boolean enables[] = { false, false, false, false, false, false };
    Vector4d eqn1 = new Vector4d(0.0, 1.0, 0.0, 0.0);
    Vector4d eqn2 = new Vector4d(1.0, 1.0, 0.0, 0.0);
    mc.setEnables(enables);
    mc.setPlane(1, eqn1);
    mc.setPlane(2, eqn2);
    mc.setEnable(1, true);
    mc.setEnable(2, true);
    mc.setInfluencingBounds(bounds);
    objTrans.addChild(mc);

    //Create a cylinder
    PolygonAttributes attr = new PolygonAttributes();
    attr.setCullFace(PolygonAttributes.CULL_NONE);
    Appearance ap = new Appearance();
    Material mat = new Material();
    mat.setLightingEnable(true);
    ap.setMaterial(mat);
    ap.setPolygonAttributes(attr);

    Cylinder CylinderObj = new Cylinder(1.0f, 2.0f, ap);
    objTrans.addChild(CylinderObj);

    // Create the rotate behavior node
    MouseRotate behavior = new MouseRotate(objTrans);
    objTrans.addChild(behavior);
    behavior.setSchedulingBounds(bounds);

    // Create the zoom behavior node
    MouseZoom behavior2 = new MouseZoom(objTrans);
    objTrans.addChild(behavior2);
    behavior2.setSchedulingBounds(bounds);

    //Shine it with two colored lights.
    Color3f lColor1 = new Color3f(0.5f, 0.0f, 0.5f);
    Color3f lColor2 = new Color3f(0.7f, 0.7f, 0.0f);
    Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, 1.0f);
    Vector3f lDir2 = new Vector3f(0.0f, 0.0f, -1.0f);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    DirectionalLight lgt2 = new DirectionalLight(lColor2, lDir2);
    lgt1.setInfluencingBounds(bounds);
    lgt2.setInfluencingBounds(bounds);
    objScale.addChild(lgt1);
    objScale.addChild(lgt2);

    // Let Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

---

From source file:ModelClipTest2.java

public BranchGroup createSceneGraph() {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create a Transformgroup to scale all objects so they
    // appear in the scene.
    TransformGroup objScale = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setScale(0.4);//from  www .  j a v  a 2  s. com
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

    // Create lights
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    //Shine it with two colored lights.
    Color3f lColor0 = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f lColor1 = new Color3f(0.5f, 0.0f, 0.5f);
    Color3f lColor2 = new Color3f(0.7f, 0.7f, 0.0f);
    Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, 1.0f);
    Vector3f lDir2 = new Vector3f(0.0f, 0.0f, -1.0f);

    AmbientLight lgt0 = new AmbientLight(true, lColor2);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    DirectionalLight lgt2 = new DirectionalLight(lColor2, lDir2);
    lgt0.setInfluencingBounds(bounds);
    lgt1.setInfluencingBounds(bounds);
    lgt2.setInfluencingBounds(bounds);
    objScale.addChild(lgt0);
    objScale.addChild(lgt1);
    objScale.addChild(lgt2);

    // Create a Transformgroup for the geometry
    TransformGroup objRot = new TransformGroup();
    Transform3D t3d1 = new Transform3D();
    AxisAngle4f rot1 = new AxisAngle4f(0.0f, 1.0f, 0.0f, 45.0f);
    t3d1.setRotation(rot1);
    objRot.setTransform(t3d1);
    objScale.addChild(objRot);

    //Create a cylinder
    PolygonAttributes attr = new PolygonAttributes();
    attr.setCullFace(PolygonAttributes.CULL_NONE);
    Appearance ap = new Appearance();
    Material mat = new Material();
    mat.setLightingEnable(true);
    ap.setMaterial(mat);
    ap.setPolygonAttributes(attr);

    Cylinder CylinderObj = new Cylinder(0.5f, 2.2f, ap);
    objRot.addChild(CylinderObj);

    //Create a box
    Box BoxObj = new Box(0.8f, 0.8f, 0.8f, ap);
    objRot.addChild(BoxObj);

    // This Transformgroup is used by the mouse manipulators to
    // move the model clip planes.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    objRot.addChild(objTrans);

    // Create the rotate behavior node
    MouseRotate behavior = new MouseRotate(objTrans);
    objTrans.addChild(behavior);
    behavior.setSchedulingBounds(bounds);

    // Create the zoom behavior node
    MouseZoom behavior2 = new MouseZoom(objTrans);
    objTrans.addChild(behavior2);
    behavior2.setSchedulingBounds(bounds);

    //Create Model Clip
    ModelClip mc = new ModelClip();
    boolean enables[] = { false, false, false, false, false, false };
    Vector4d eqn = new Vector4d(0.0, 1.0, 1.0, 0.0);
    mc.setEnables(enables);
    mc.setPlane(1, eqn);
    mc.setEnable(1, true);
    mc.setInfluencingBounds(bounds);
    objTrans.addChild(mc);

    // Let Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

---

From source file:ReadRaster.java

public BranchGroup createSceneGraph(BufferedImage bImage, Raster readRaster) {

    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create a Raster shape. Add it to the root of the subgraph

    ImageComponent2D drawImageComponent = new ImageComponent2D(ImageComponent.FORMAT_RGB, bImage);

    Raster drawRaster = new Raster(new Point3f(0.0f, 0.0f, 0.0f), Raster.RASTER_COLOR, 0, 0, bImage.getWidth(),
            bImage.getHeight(), drawImageComponent, null);
    Shape3D shape = new Shape3D(drawRaster);
    drawRaster.setCapability(Raster.ALLOW_IMAGE_WRITE);
    objRoot.addChild(shape);//  ww  w  .ja v  a  2s  .com

    // Ceate the transform greup node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add it to the
    // root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    TransformGroup cubeScale = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setTranslation(new Vector3d(-0.5, 0.5, 0.0));
    cubeScale.setTransform(t3d);

    cubeScale.addChild(objTrans);
    objRoot.addChild(cubeScale);

    // Create a simple shape leaf node, add it to the scene graph.
    objTrans.addChild(new ColorCube(0.3));

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into
    // the scene graph.
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0);
    myRotationInterpolator rotator = new myRotationInterpolator(drawRaster, readRaster, rotationAlpha, objTrans,
            yAxis, 0.0f, (float) Math.PI * 2.0f);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    rotator.setSchedulingBounds(bounds);
    objTrans.addChild(rotator);

    // Have Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

---

From source file:BackgroundGeometry.java

public BranchGroup createSceneGraph() {

    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create a Transformgroup to scale all objects so they
    // appear in the scene.
    TransformGroup objScale = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setScale(0.4);// w w  w .jav  a 2s  .c  o  m
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

    // Create the transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime.
    TransformGroup objTrans = new TransformGroup();
    objScale.addChild(objTrans);

    Background bg = new Background();
    bg.setApplicationBounds(bounds);
    BranchGroup backGeoBranch = new BranchGroup();
    Sphere sphereObj = new Sphere(1.0f,
            Sphere.GENERATE_NORMALS | Sphere.GENERATE_NORMALS_INWARD | Sphere.GENERATE_TEXTURE_COORDS, 45);
    Appearance backgroundApp = sphereObj.getAppearance();
    backGeoBranch.addChild(sphereObj);
    bg.setGeometry(backGeoBranch);
    objTrans.addChild(bg);

    TextureLoader tex = new TextureLoader(bgImage, new String("RGB"), this);
    if (tex != null)
        backgroundApp.setTexture(tex.getTexture());

    Vector3f tranlation = new Vector3f(2.0f, 0.0f, 0.0f);
    Transform3D modelTransform = new Transform3D();
    Transform3D tmpTransform = new Transform3D();
    double angleInc = Math.PI / 8.0;
    double angle = 0.0;
    int numBoxes = 16;

    float scaleX[] = { 0.1f, 0.2f, 0.2f, 0.3f, 0.2f, 0.1f, 0.2f, 0.3f, 0.1f, 0.3f, 0.2f, 0.3f, 0.1f, 0.3f, 0.2f,
            0.3f };

    float scaleY[] = { 0.3f, 0.4f, 0.3f, 0.4f, 0.3f, 0.4f, 0.3f, 0.4f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f,
            0.4f };

    float scaleZ[] = { 0.3f, 0.2f, 0.1f, 0.1f, 0.3f, 0.2f, 0.1f, 0.3f, 0.3f, 0.2f, 0.1f, 0.3f, 0.3f, 0.2f, 0.1f,
            0.2f };

    Appearance a1 = new Appearance();
    Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f sColor = new Color3f(0.5f, 0.5f, 1.0f);
    Color3f oColor = new Color3f(0.5f, 0.5f, 0.3f);

    Material m = new Material(oColor, eColor, oColor, sColor, 100.0f);
    m.setLightingEnable(true);
    a1.setMaterial(m);

    for (int i = 0; i < numBoxes; i++, angle += angleInc) {
        modelTransform.rotY(angle);
        tmpTransform.set(tranlation);
        modelTransform.mul(tmpTransform);

        TransformGroup tgroup = new TransformGroup(modelTransform);
        objTrans.addChild(tgroup);

        tgroup.addChild(new Box(scaleX[i], scaleY[i], scaleZ[i], Box.GENERATE_NORMALS, a1));
    }

    // Shine it with two lights.
    Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
    Color3f lColor2 = new Color3f(0.2f, 0.2f, 0.1f);
    Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f);
    Vector3f lDir2 = new Vector3f(0.0f, 0.0f, -1.0f);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    DirectionalLight lgt2 = new DirectionalLight(lColor2, lDir2);
    lgt1.setInfluencingBounds(bounds);
    lgt2.setInfluencingBounds(bounds);
    objScale.addChild(lgt1);
    objScale.addChild(lgt2);

    return objRoot;
}

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From source file:PickWorld.java

public BranchGroup createSceneGraph(Canvas3D c) {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create a Transformgroup to scale all objects so they
    // appear in the scene.
    TransformGroup objScale = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setScale(1.0);//from   w  w w . j  a va2 s.  c o m
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

    // Create a bounds for the background and behaviors
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    // Attach picking behavior utlities to the scene root.
    // They will wake up when user manipulates a scene node.
    PickRotateBehavior behavior = new PickRotateBehavior(objRoot, c, bounds);
    objRoot.addChild(behavior);

    PickZoomBehavior behavior2 = new PickZoomBehavior(objRoot, c, bounds);
    objRoot.addChild(behavior2);

    PickTranslateBehavior behavior3 = new PickTranslateBehavior(objRoot, c, bounds);
    objRoot.addChild(behavior3);

    // Set up the background
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.4f);
    Background bg = new Background(bgColor);
    bg.setApplicationBounds(bounds);
    objRoot.addChild(bg);

    // Set up the global lights
    Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
    Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f);
    Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);

    AmbientLight aLgt = new AmbientLight(alColor);
    aLgt.setInfluencingBounds(bounds);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(bounds);
    objRoot.addChild(aLgt);
    objRoot.addChild(lgt1);

    // Create a bunch of objects with a behavior and add them
    // into the scene graph.

    int row, col;
    int numRows = 3, numCols = 5;
    Appearance[][] app = new Appearance[numRows][numCols];

    for (row = 0; row < numRows; row++)
        for (col = 0; col < numCols; col++)
            app[row][col] = createAppearance(row * numCols + col);

    for (int i = 0; i < numRows; i++) {
        double ypos = (double) (i - numRows / 2) * 0.6;
        for (int j = 0; j < numCols; j++) {
            double xpos = (double) (j - numCols / 2) * 0.4;
            objScale.addChild(createObject(i, j, app[i][j], 0.1, xpos, ypos));
        }
    }

    // Let Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

---

From source file:ObjLoad.java

public BranchGroup createSceneGraph() {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create a Transformgroup to scale all objects so they
    // appear in the scene.
    TransformGroup objScale = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setScale(0.7);/*from   w ww .  ja  va 2s.co m*/
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

    // Create the transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add it to the
    // root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    objScale.addChild(objTrans);

    int flags = ObjectFile.RESIZE;
    if (!noTriangulate)
        flags |= ObjectFile.TRIANGULATE;
    if (!noStripify)
        flags |= ObjectFile.STRIPIFY;
    ObjectFile f = new ObjectFile(flags, (float) (creaseAngle * Math.PI / 180.0));
    Scene s = null;
    try {
        s = f.load(filename);
    } catch (FileNotFoundException e) {
        System.err.println(e);
        System.exit(1);
    } catch (ParsingErrorException e) {
        System.err.println(e);
        System.exit(1);
    } catch (IncorrectFormatException e) {
        System.err.println(e);
        System.exit(1);
    }

    objTrans.addChild(s.getSceneGroup());

    bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    if (spin) {
        Transform3D yAxis = new Transform3D();
        Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0);

        RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f,
                (float) Math.PI * 2.0f);
        rotator.setSchedulingBounds(bounds);
        objTrans.addChild(rotator);
    }

    // Set up the background
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.5f);
    Background bgNode = new Background(bgColor);
    bgNode.setApplicationBounds(bounds);
    objRoot.addChild(bgNode);

    return objRoot;
}

---

From source file:Text2DTest.java

public BranchGroup createSceneGraph() {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create a Transformgroup to scale all objects so they
    // appear in the scene.
    TransformGroup objScale = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setScale(0.4);/*w  ww . ja va  2s .  co  m*/
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

    // Create the transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add it to the
    // root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    TransformGroup textTranslationGroup;
    Transform3D textTranslation;
    float yPos = -.5f;
    Shape3D textObject = new Text2D("Rotating Yellow Text", new Color3f(1f, 1f, 0f), "Serif", 60, Font.BOLD);
    Appearance app = textObject.getAppearance();

    PolygonAttributes pa = app.getPolygonAttributes();
    if (pa == null)
        pa = new PolygonAttributes();
    pa.setCullFace(PolygonAttributes.CULL_NONE);
    if (app.getPolygonAttributes() == null)
        app.setPolygonAttributes(pa);
    objTrans.addChild(textObject);

    textTranslation = new Transform3D();
    textTranslation.setTranslation(new Vector3f(0f, yPos, 0f));
    textTranslationGroup = new TransformGroup(textTranslation);
    textTranslationGroup.addChild(objTrans);
    objScale.addChild(textTranslationGroup);
    yPos += .5f;

    /* Blue 40point text */
    textObject = new Text2D("Blue 40point Text", new Color3f(0f, 0f, 1f), "Serif", 40, Font.BOLD);
    textTranslation = new Transform3D();
    textTranslation.setTranslation(new Vector3f(0f, yPos, 0f));
    textTranslationGroup = new TransformGroup(textTranslation);
    textTranslationGroup.addChild(textObject);
    objScale.addChild(textTranslationGroup);
    yPos += .5f;

    /* Green italic text */
    textObject = new Text2D("Green Italic Text", new Color3f(0f, 1f, 0f), "Serif", 70, Font.ITALIC);
    textTranslation = new Transform3D();
    textTranslation.setTranslation(new Vector3f(0f, yPos, 0f));
    textTranslationGroup = new TransformGroup(textTranslation);
    textTranslationGroup.addChild(textObject);
    objScale.addChild(textTranslationGroup);
    yPos += .5f;

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into
    // the scene graph.
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    rotator.setSchedulingBounds(bounds);
    objTrans.addChild(rotator);

    return objRoot;
}

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