Example usage for javax.media.j3d TransformGroup TransformGroup

Introduction

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

Prototype

public TransformGroup() 

Source Link

Document

Constructs and initializes a TransformGroup using an identity transform.

Usage

From source file:MixedTest.java

protected BranchGroup createSceneBranchGroup() {
    BranchGroup objRoot = super.createSceneBranchGroup();

    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

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

    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);/* w w w. j  av  a  2s .  co  m*/

    objTrans.addChild(new ColorCube());
    objRoot.addChild(objTrans);

    return objRoot;
}

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From source file:MultiView.java

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

    //Make the scene graph
    try {/* www.j  a va 2  s.c om*/
        TransformGroup objTrans = new TransformGroup();
        objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        objRoot.addChild(objTrans);

        // Create appearance object for textured cube
        Appearance app = new Appearance();

        Texture tex = new TextureLoader("Dog.jpg", this).getTexture();
        app.setTexture(tex);

        // Create a simple shape leaf node, add it to the scene graph.
        Box textureCube = new Box(2, 3, 4, Box.GENERATE_TEXTURE_COORDS, app);

        objTrans.addChild(textureCube);

        // 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);
    } catch (RuntimeException e) {
        System.out.println("MultiView.createSceneBranchGroup:" + e.getMessage());
        System.exit(-1);
    }

    return objRoot;
}

---

From source file:TickTockPicking.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(0.4);//from w  w  w  .j a  v  a  2  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);

    // Set up the background
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);
    Background bg = new Background(bgColor);
    bg.setApplicationBounds(bounds);
    objScale.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);
    objScale.addChild(aLgt);
    objScale.addChild(lgt1);

    // Create a pair of transform group nodes and initialize them to
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behaviors can modify them at runtime. Add them to the
    // root of the subgraph.
    TransformGroup objTrans1 = new TransformGroup();
    objTrans1.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objScale.addChild(objTrans1);

    TransformGroup objTrans2 = new TransformGroup();
    objTrans2.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans1.addChild(objTrans2);

    // Create the positioning and scaling transform group node.
    Transform3D t = new Transform3D();
    t.set(0.3, new Vector3d(0.0, -1.5, 0.0));
    TransformGroup objTrans3 = new TransformGroup(t);
    objTrans2.addChild(objTrans3);

    // Create a simple shape leaf node, set it's appearance, and
    // add it to the scene graph.
    Shape3D shape = new Cube();
    Appearance a = new Appearance();
    Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f);
    a.setMaterial(new Material(objColor, black, objColor, white, 80.0f));
    shape.setAppearance(a);
    shape.setCapability(shape.ALLOW_APPEARANCE_READ);
    shape.setCapability(shape.ALLOW_APPEARANCE_WRITE);
    objTrans3.addChild(shape);

    // Create a new Behavior object that will perform the desired
    // rotation on the specified transform object and add it into
    // the scene graph.
    Transform3D yAxis1 = new Transform3D();
    yAxis1.rotX(Math.PI / 2.0);
    Alpha tickTockAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 0, 0, 5000, 2500,
            200, 5000, 2500, 200);

    RotationInterpolator tickTock = new RotationInterpolator(tickTockAlpha, objTrans1, yAxis1,
            -(float) Math.PI / 2.0f, (float) Math.PI / 2.0f);
    tickTock.setSchedulingBounds(bounds);
    objTrans2.addChild(tickTock);

    // Create a new Behavior object that will perform the desired
    // rotation on the specified transform object and add it into
    // the scene graph.
    Transform3D yAxis2 = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans2, yAxis2, 0.0f,
            (float) Math.PI * 2.0f);
    rotator.setSchedulingBounds(bounds);
    objTrans2.addChild(rotator);

    // Now create the simple picking behavior
    PickHighlightBehavior pickBeh = new PickHighlightBehavior(c, objRoot, bounds);

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

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

    for (row = 0; row < 3; row++)
        for (col = 0; col < 3; col++)
            app[row][col] = createAppearance(row * 3 + col);

    for (int i = 0; i < 3; i++) {
        double ypos = (double) (i - 1) * 1.5;
        for (int j = 0; j < 3; j++) {
            double xpos = (double) (j - 1) * 1.5;
            objScale.addChild(createObject(app[i][j], 0.3, xpos, ypos));
        }
    }

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

    return objRoot;
}

---

From source file:ScenegraphTest.java

protected BranchGroup createSceneBranchGroup() {
    BranchGroup objRoot = super.createSceneBranchGroup();

    // create some lights for the scene
    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(createApplicationBounds());
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(createApplicationBounds());
    objRoot.addChild(aLgt);//ww w. j  av  a  2 s .  c  o  m
    objRoot.addChild(lgt1);

    // create a rotator to spin the whole model around the Y axis
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

    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(createApplicationBounds());
    objTrans.addChild(rotator);

    // build the model itself using helper methods
    addHead(objTrans);
    objTrans.addChild(createArm(0, 0, -Math.PI * 0.5));
    objTrans.addChild(createArm(0, Math.PI, Math.PI * 0.5));

    objRoot.addChild(objTrans);

    return objRoot;
}

---

From source file:SimpleMouse.java

/**
 * Build the content branch for the scene graph
 * //www  . j  ava  2 s . c  o m
 * @return BranchGroup that is the root of the content
 */
protected BranchGroup buildContentBranch() {
    Appearance app = new Appearance();
    Color3f ambientColour = new Color3f(1.0f, 0.0f, 0.0f);
    Color3f emissiveColour = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f specularColour = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f diffuseColour = new Color3f(1.0f, 0.0f, 0.0f);
    float shininess = 20.0f;
    app.setMaterial(new Material(ambientColour, emissiveColour, diffuseColour, specularColour, shininess));

    Box cube = new Box(2.0f, 2.0f, 2.0f, app);

    BranchGroup contentBranch = new BranchGroup();
    addLights(contentBranch);
    //Create the transform groups that will be
    //affected by the mouse utiltities
    TransformGroup spinGroup = new TransformGroup();
    TransformGroup zoomGroup = new TransformGroup();
    TransformGroup moveGroup = new TransformGroup();
    //Set the capabilities of the groups so that we can
    //manipulate them
    spinGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    spinGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    zoomGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    zoomGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    moveGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    moveGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    //Create and use the rotation utility
    MouseRotate mouseSpin = new MouseRotate();
    mouseSpin.setTransformGroup(spinGroup);
    contentBranch.addChild(mouseSpin);
    mouseSpin.setSchedulingBounds(bounds);
    //Create and use the zoom utility
    MouseZoom mouseSize = new MouseZoom();
    mouseSize.setTransformGroup(zoomGroup);
    contentBranch.addChild(mouseSize);
    mouseSize.setSchedulingBounds(bounds);
    //Create and use the translation utility
    MouseTranslate mouseMove = new MouseTranslate();
    mouseMove.setTransformGroup(moveGroup);
    contentBranch.addChild(mouseMove);
    mouseMove.setSchedulingBounds(bounds);
    //Put it all together
    spinGroup.addChild(cube);
    moveGroup.addChild(spinGroup);
    zoomGroup.addChild(moveGroup);
    contentBranch.addChild(zoomGroup);
    return contentBranch;

}

---

From source file:SphereMotion.java

public BranchGroup createSceneGraph(SimpleUniverse u) {
    Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f objColor = new Color3f(0.6f, 0.6f, 0.6f);
    Color3f lColor1 = new Color3f(1.0f, 0.0f, 0.0f);
    Color3f lColor2 = new Color3f(0.0f, 1.0f, 0.0f);
    Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);

    Transform3D t;/* w  ww .  j  a  v  a 2s .  co  m*/

    // 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);
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

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

    // Set up the background
    Background bg = new Background(bgColor);
    bg.setApplicationBounds(bounds);
    objScale.addChild(bg);

    // Create a Sphere object, generate one copy of the sphere,
    // and add it into the scene graph.
    Material m = new Material(objColor, eColor, objColor, sColor, 100.0f);
    Appearance a = new Appearance();
    m.setLightingEnable(true);
    a.setMaterial(m);
    Sphere sph = new Sphere(1.0f, Sphere.GENERATE_NORMALS, 80, a);
    objScale.addChild(sph);

    // Create the transform group node for the each light and initialize
    // it to the identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add them to the root
    // of the subgraph.
    TransformGroup l1RotTrans = new TransformGroup();
    l1RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objScale.addChild(l1RotTrans);

    TransformGroup l2RotTrans = new TransformGroup();
    l2RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objScale.addChild(l2RotTrans);

    // Create transformations for the positional lights
    t = new Transform3D();
    Vector3d lPos1 = new Vector3d(0.0, 0.0, 2.0);
    t.set(lPos1);
    TransformGroup l1Trans = new TransformGroup(t);
    l1RotTrans.addChild(l1Trans);

    t = new Transform3D();
    Vector3d lPos2 = new Vector3d(0.5, 0.8, 2.0);
    t.set(lPos2);
    TransformGroup l2Trans = new TransformGroup(t);
    l2RotTrans.addChild(l2Trans);

    // Create Geometry for point lights
    ColoringAttributes caL1 = new ColoringAttributes();
    ColoringAttributes caL2 = new ColoringAttributes();
    caL1.setColor(lColor1);
    caL2.setColor(lColor2);
    Appearance appL1 = new Appearance();
    Appearance appL2 = new Appearance();
    appL1.setColoringAttributes(caL1);
    appL2.setColoringAttributes(caL2);
    l1Trans.addChild(new Sphere(0.05f, appL1));
    l2Trans.addChild(new Sphere(0.05f, appL2));

    // Create lights
    AmbientLight aLgt = new AmbientLight(alColor);

    Light lgt1 = null;
    Light lgt2 = null;

    Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f);
    Point3f atten = new Point3f(1.0f, 0.0f, 0.0f);
    Vector3f lDirect1 = new Vector3f(lPos1);
    Vector3f lDirect2 = new Vector3f(lPos2);
    lDirect1.negate();
    lDirect2.negate();

    switch (lightType) {
    case DIRECTIONAL_LIGHT:
        lgt1 = new DirectionalLight(lColor1, lDirect1);
        lgt2 = new DirectionalLight(lColor2, lDirect2);
        break;
    case POINT_LIGHT:
        lgt1 = new PointLight(lColor1, lPoint, atten);
        lgt2 = new PointLight(lColor2, lPoint, atten);
        break;
    case SPOT_LIGHT:
        lgt1 = new SpotLight(lColor1, lPoint, atten, lDirect1, 25.0f * (float) Math.PI / 180.0f, 10.0f);
        lgt2 = new SpotLight(lColor2, lPoint, atten, lDirect2, 25.0f * (float) Math.PI / 180.0f, 10.0f);
        break;
    }

    // Set the influencing bounds
    aLgt.setInfluencingBounds(bounds);
    lgt1.setInfluencingBounds(bounds);
    lgt2.setInfluencingBounds(bounds);

    // Add the lights into the scene graph
    objScale.addChild(aLgt);
    l1Trans.addChild(lgt1);
    l2Trans.addChild(lgt2);

    // 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 rotor1Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0);
    RotationInterpolator rotator1 = new RotationInterpolator(rotor1Alpha, l1RotTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    rotator1.setSchedulingBounds(bounds);
    l1RotTrans.addChild(rotator1);

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into the
    // scene graph.
    Alpha rotor2Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 1000, 0, 0, 0, 0, 0);
    RotationInterpolator rotator2 = new RotationInterpolator(rotor2Alpha, l2RotTrans, yAxis, 0.0f, 0.0f);
    bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    rotator2.setSchedulingBounds(bounds);
    l2RotTrans.addChild(rotator2);

    // Create a position interpolator and attach it to the view
    // platform
    TransformGroup vpTrans = u.getViewingPlatform().getViewPlatformTransform();
    Transform3D axisOfTranslation = new Transform3D();
    Alpha transAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 0, 0, 5000, 0, 0, 5000,
            0, 0);
    axisOfTranslation.rotY(-Math.PI / 2.0);
    PositionInterpolator translator = new PositionInterpolator(transAlpha, vpTrans, axisOfTranslation, 2.0f,
            3.5f);
    translator.setSchedulingBounds(bounds);
    objScale.addChild(translator);

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

    return objRoot;
}

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From source file:OrientedTest.java

public BranchGroup createSceneGraph() {

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

    TransformGroup objScale = new TransformGroup();
    Transform3D textMat = new Transform3D();
    // Assuming uniform size chars, set scale to fit string in view
    textMat.setScale(1.2 / sl);/*w  w w .  j  av  a  2s  .  co  m*/
    objScale.setTransform(textMat);

    // 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);
    objRoot.addChild(objTrans);

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

    Appearance apText = new Appearance();
    Material m = new Material();
    m.setLightingEnable(true);
    apText.setMaterial(m);

    Appearance apEarth = new Appearance();
    Material mm = new Material();
    mm.setLightingEnable(true);
    apEarth.setMaterial(mm);

    Appearance apStone = new Appearance();
    apStone.setMaterial(mm);

    // create 3D text
    Font3D f3d = new Font3D(new Font(fontName, Font.PLAIN, 2), new FontExtrusion());
    Text3D txt = new Text3D(f3d, textString, new Point3f(-sl / 2.0f, 3.0f, 0.0f));
    OrientedShape3D textShape = new OrientedShape3D();
    textShape.setGeometry(txt);
    textShape.setAppearance(apText);
    textShape.setAlignmentAxis(0.0f, 1.0f, 0.0f);
    objScale.addChild(textShape);

    // Create a simple shape leaf node, add it to the scene graph.

    Transform3D cubeMat = new Transform3D();
    TransformGroup cubeTrans = new TransformGroup(cubeMat);
    cubeMat.set(new Vector3d(0.9, 0.0, -1.0));
    cubeTrans.setTransform(cubeMat);
    cubeTrans.addChild(new ColorCube(0.3));
    objTrans.addChild(cubeTrans);

    TextureLoader stoneTex = new TextureLoader(stoneImage, new String("RGB"), this);
    if (stoneTex != null)
        apStone.setTexture(stoneTex.getTexture());

    TextureAttributes texAttr = new TextureAttributes();
    texAttr.setTextureMode(TextureAttributes.MODULATE);
    apStone.setTextureAttributes(texAttr);

    Transform3D coneMat = new Transform3D();
    TransformGroup coneTrans = new TransformGroup(coneMat);
    coneMat.set(new Vector3d(0.0, 0.0, 0.0));
    coneTrans.setTransform(coneMat);
    coneTrans.addChild(new Cone(.2f, 0.8f, Cone.GENERATE_NORMALS | Cone.GENERATE_TEXTURE_COORDS, apStone));
    objTrans.addChild(coneTrans);

    TextureLoader earthTex = new TextureLoader(earthImage, new String("RGB"), this);
    if (earthTex != null)
        apEarth.setTexture(earthTex.getTexture());

    apEarth.setTextureAttributes(texAttr);

    Transform3D cylinderMat = new Transform3D();
    TransformGroup cylinderTrans = new TransformGroup(cylinderMat);
    cylinderMat.set(new Vector3d(-0.9, 0.5, -1.0));
    cylinderTrans.setTransform(cylinderMat);
    cylinderTrans.addChild(
            new Cylinder(.35f, 2.0f, Cylinder.GENERATE_NORMALS | Cylinder.GENERATE_TEXTURE_COORDS, apEarth));
    objTrans.addChild(cylinderTrans);

    objTrans.addChild(objScale);

    // 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);

    // Set up the ambient light
    Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f);
    AmbientLight ambientLightNode = new AmbientLight(ambientColor);
    ambientLightNode.setInfluencingBounds(bounds);
    objRoot.addChild(ambientLightNode);

    // Set up the directional lights
    Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f);
    Vector3f light1Direction = new Vector3f(1.0f, 1.0f, 1.0f);
    Color3f light2Color = new Color3f(1.0f, 1.0f, 0.9f);
    Vector3f light2Direction = new Vector3f(-1.0f, -1.0f, -1.0f);

    DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction);
    light1.setInfluencingBounds(bounds);
    objRoot.addChild(light1);

    DirectionalLight light2 = new DirectionalLight(light2Color, light2Direction);
    light2.setInfluencingBounds(bounds);
    objRoot.addChild(light2);

    apText.setMaterial(mm);

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

    return objRoot;
}

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From source file:InterpolatorTest.java

protected BranchGroup createSceneBranchGroup() {
    BranchGroup objRoot = super.createSceneBranchGroup();

    // create a root TG in case we need to scale the scene
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

    // create the Appearance for the Shape3D
    Appearance app = new Appearance();

    // create a Material, modified by the ColorInterpolator
    Color3f objColor = new Color3f(1.0f, 0.7f, 0.8f);
    Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
    Material mat = new Material(objColor, black, objColor, black, 80.0f);
    mat.setCapability(Material.ALLOW_COMPONENT_WRITE);
    app.setMaterial(mat);//w w  w.  ja va  2 s.  co m

    // create a TransparencyAttributes, modified by the
    // TransparencyInterpolator
    TransparencyAttributes transparency = new TransparencyAttributes();
    transparency.setCapability(TransparencyAttributes.ALLOW_VALUE_WRITE);
    transparency.setTransparencyMode(TransparencyAttributes.NICEST);
    app.setTransparencyAttributes(transparency);

    // create a Switch Node and set capabilities
    Switch switchNode = new Switch();
    switchNode.setCapability(Switch.ALLOW_SWITCH_WRITE);

    // create a Alpha object for the Interpolators
    Alpha alpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 500, 100, 5000, 2000, 1000,
            5000, 2000, 500);

    // add each BG and Interpolator as a child of the Switch Node
    TransformGroup tg = createSharedGroup(app);
    switchNode.addChild(createBranchGroup(tg, new ColorInterpolator(alpha, app.getMaterial())));

    tg = createSharedGroup(app);
    switchNode.addChild(createBranchGroup(tg, new PositionInterpolator(alpha, tg)));

    tg = createSharedGroup(app);
    switchNode.addChild(createBranchGroup(tg, new RotationInterpolator(alpha, tg)));

    tg = createSharedGroup(app);
    switchNode.addChild(createBranchGroup(tg, new ScaleInterpolator(alpha, tg)));

    tg = createSharedGroup(app);
    switchNode.addChild(createBranchGroup(tg,
            new TransparencyInterpolator(alpha, app.getTransparencyAttributes(), 0, 0.8f)));

    // define the data for the RotPosScalePathInterpolator
    float[] knots = { 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.6f, 0.8f, 0.9f, 1.0f };
    float[] scales = { 0.2f, 0.5f, 0.8f, 2.3f, 5.4f, 0.6f, 0.4f, 0.2f, 0.1f };
    Quat4f[] quats = new Quat4f[9];
    Point3f[] positions = new Point3f[9];

    quats[0] = new Quat4f(0.3f, 1.0f, 1.0f, 0.0f);
    quats[1] = new Quat4f(1.0f, 0.0f, 0.0f, 0.3f);
    quats[2] = new Quat4f(0.2f, 1.0f, 0.0f, 0.0f);
    quats[3] = new Quat4f(0.0f, 0.2f, 1.0f, 0.0f);
    quats[4] = new Quat4f(1.0f, 0.0f, 0.4f, 0.0f);
    quats[5] = new Quat4f(0.0f, 1.0f, 1.0f, 0.2f);
    quats[6] = new Quat4f(0.3f, 0.3f, 0.0f, 0.0f);
    quats[7] = new Quat4f(1.0f, 0.0f, 1.0f, 1.0f);
    quats[8] = quats[0];

    positions[0] = new Point3f(0.0f, 0.0f, -1.0f);
    positions[1] = new Point3f(1.0f, -2.0f, -2.0f);
    positions[2] = new Point3f(-2.0f, 2.0f, -3.0f);
    positions[3] = new Point3f(1.0f, 1.0f, -4.0f);
    positions[4] = new Point3f(-4.0f, -2.0f, -5.0f);
    positions[5] = new Point3f(2.0f, 0.3f, -6.0f);
    positions[6] = new Point3f(-4.0f, 0.5f, -7.0f);
    positions[7] = new Point3f(0.0f, -1.5f, -4.0f);
    positions[8] = positions[0];

    tg = createSharedGroup(app);

    // create the Interpolator
    RotPosScalePathInterpolator rotPosScalePathInterplator = new RotPosScalePathInterpolator(alpha, tg,
            new Transform3D(), knots, quats, positions, scales);

    // add a BG for the Interpolator
    switchNode.addChild(createBranchGroup(tg, rotPosScalePathInterplator));

    // create a RandomAlpha object to control a SwitchInterpolator
    // to set the Switches active child node randomly
    RandomAlpha randomAlpha = new RandomAlpha();

    // create the interpolator
    SwitchValueInterpolator switchInterpolator = new SwitchValueInterpolator(randomAlpha, switchNode);
    switchInterpolator.setSchedulingBounds(getApplicationBounds());

    // connect the scenegraph
    objTrans.addChild(switchNode);
    objTrans.addChild(switchInterpolator);

    // 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(getApplicationBounds());
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(getApplicationBounds());

    // add the lights
    objRoot.addChild(aLgt);
    objRoot.addChild(lgt1);

    // connect
    objRoot.addChild(objTrans);

    return objRoot;
}

---

From source file:Text3DTest.java

TransformGroup createText3D(TornadoRotation rotator, String szText, int nSize, float scale, float trans,
        int nPath) {
    TransformGroup tg = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setScale(scale);//  w  w w  .  j av a 2 s.c om
    t3d.setTranslation(new Vector3d(0.0, trans, -10.0));
    tg.setTransform(t3d);

    // use a customized FontExtrusion object to control the depth of the
    // text
    double X1 = 0;
    double Y1 = 0;
    double X2 = 3;
    double Y2 = 0;
    Shape extrusionShape = new java.awt.geom.Line2D.Double(X1, Y1, X2, Y2);

    FontExtrusion fontEx = new FontExtrusion(extrusionShape);

    Font3D f3d = new Font3D(new Font("TimesRoman", Font.PLAIN, nSize), fontEx);

    TornadoText3D text3D = new TornadoText3D(f3d, szText, new Point3f(0.0f, 0.0f, 0.0f), Text3D.ALIGN_CENTER,
            nPath);

    rotator.addTornadoText3D(text3D);

    // create an appearance
    Color3f black = new Color3f(0.1f, 0.1f, 0.1f);
    Color3f objColor = new Color3f(0.2f, 0.2f, 0.2f);

    Appearance app = new Appearance();
    app.setMaterial(new Material(objColor, black, objColor, black, 90.0f));

    // render as a wireframe
    PolygonAttributes polyAttrbutes = new PolygonAttributes();
    polyAttrbutes.setPolygonMode(PolygonAttributes.POLYGON_LINE);
    polyAttrbutes.setCullFace(PolygonAttributes.CULL_NONE);
    app.setPolygonAttributes(polyAttrbutes);

    tg.addChild(new Shape3D(text3D, app));
    return tg;
}

---

From source file:LoaderTest.java

protected BranchGroup createSceneBranchGroup() {
    BranchGroup objRoot = super.createSceneBranchGroup();

    // create a TransformGroup to flip the hand onto its end and enlarge it.
    TransformGroup objTrans1 = new TransformGroup();
    Transform3D tr = new Transform3D();
    objTrans1.getTransform(tr);/*from  w w w  .ja va 2 s  .c  o  m*/
    tr.rotX(90.0 * Math.PI / 180.0);
    tr.setScale(10.0);
    objTrans1.setTransform(tr);

    // create a TransformGroup to rotate the hand
    TransformGroup objTrans2 = new TransformGroup();
    objTrans2.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans2.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

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

    // create a RotationInterpolator behavior to rotate the hand
    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, objTrans2, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    rotator.setSchedulingBounds(bounds);
    objTrans2.addChild(rotator);

    // 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);

    // load the object file
    Scene scene = null;
    Shape3D shape = null;

    // read in the geometry information from the data file
    ObjectFile objFileloader = new ObjectFile(ObjectFile.RESIZE);

    try {
        scene = objFileloader.load("hand1.obj");
    } catch (Exception e) {
        scene = null;
        System.err.println(e);
    }

    if (scene == null)
        System.exit(1);

    // retrieve the Shape3D object from the scene
    BranchGroup branchGroup = scene.getSceneGroup();
    shape = (Shape3D) branchGroup.getChild(0);

    // create an Appearance and Material
    Appearance app = new Appearance();
    Color3f objColor = new Color3f(1.0f, 0.7f, 0.8f);
    Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
    app.setMaterial(new Material(objColor, black, objColor, black, 80.0f));

    // assign the appearance to the Shape
    shape.setAppearance(app);

    // connect the scenegraph
    objTrans2.addChild(scene.getSceneGroup());
    objTrans1.addChild(objTrans2);
    objRoot.addChild(objTrans1);

    return objRoot;
}

---

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