Example usage for javax.media.j3d Light setInfluencingBounds

List of usage examples for javax.media.j3d Light setInfluencingBounds

Introduction

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

Prototype

public void setInfluencingBounds(Bounds region) 

Source Link

Document

Sets the Light's influencing region to the specified bounds.

Usage

From source file:PickText3DBounds.java

public BranchGroup createSceneGraph(Canvas3D canvas) {
    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;//from   www. j ava2 s  . c  om

    // 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);

    Material m = new Material(objColor, eColor, objColor, sColor, 100.0f);
    Appearance a = new Appearance();
    m.setLightingEnable(true);
    a.setMaterial(m);
    Font3D f3d = new Font3D(new Font("TestFont", Font.PLAIN, 1), new FontExtrusion());
    Text3D txt = new Text3D(f3d, new String("TEXT3D"), new Point3f(-2.0f, 0.0f, 0.0f));
    //    txt.setCapability(Geometry.ALLOW_INTERSECT);
    Shape3D s3D = new Shape3D();
    s3D.setGeometry(txt);
    s3D.setAppearance(a);

    // Create a 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 spinTg = new TransformGroup();
    spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    spinTg.setCapability(TransformGroup.ENABLE_PICK_REPORTING);

    spinTg.addChild(s3D);
    objScale.addChild(spinTg);

    // 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.

    // 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);
    l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    l1Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING);
    objScale.addChild(l1Trans);

    t = new Transform3D();
    Vector3d lPos2 = new Vector3d(0.5, 0.8, 2.0);
    t.set(lPos2);
    TransformGroup l2Trans = new TransformGroup(t);
    l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    l2Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING);

    objScale.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, Sphere.GENERATE_NORMALS, 15, appL1));
    l2Trans.addChild(new Sphere(0.05f, Sphere.GENERATE_NORMALS, 15, appL2));

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

    Light lgt1;
    Light lgt2;

    Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f);
    Point3f atten = new Point3f(1.0f, 0.0f, 0.0f);
    lgt1 = new PointLight(lColor1, lPoint, atten);
    lgt2 = new PointLight(lColor2, lPoint, atten);

    // 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);

    PickRotateBehavior behavior1 = new PickRotateBehavior(objRoot, canvas, bounds);
    behavior1.setMode(PickTool.BOUNDS);
    objRoot.addChild(behavior1);

    PickZoomBehavior behavior2 = new PickZoomBehavior(objRoot, canvas, bounds);
    behavior2.setMode(PickTool.BOUNDS);
    objRoot.addChild(behavior2);

    PickTranslateBehavior behavior3 = new PickTranslateBehavior(objRoot, canvas, bounds);
    behavior3.setMode(PickTool.BOUNDS);
    objRoot.addChild(behavior3);

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

    return objRoot;
}

From source file:PickText3DGeometry.java

public BranchGroup createSceneGraph(Canvas3D canvas) {
    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;//from www.  j  a va 2 s.c  o 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);

    Material m = new Material(objColor, eColor, objColor, sColor, 100.0f);
    Appearance a = new Appearance();
    m.setLightingEnable(true);
    a.setMaterial(m);
    Font3D f3d = new Font3D(new Font("TestFont", Font.PLAIN, 1), new FontExtrusion());

    Text3D text3D = new Text3D(f3d, new String("TEXT3D"), new Point3f(-2.0f, 0.7f, 0.0f));
    text3D.setCapability(Geometry.ALLOW_INTERSECT);
    Shape3D s3D1 = new Shape3D();
    s3D1.setGeometry(text3D);
    s3D1.setAppearance(a);

    // Create a 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 spinTg1 = new TransformGroup();
    spinTg1.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    spinTg1.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    spinTg1.setCapability(TransformGroup.ENABLE_PICK_REPORTING);

    spinTg1.addChild(s3D1);
    objScale.addChild(spinTg1);

    Text3D pick = new Text3D(f3d, new String("Pick me"), new Point3f(-2.0f, -0.7f, 0.0f));
    pick.setCapability(Geometry.ALLOW_INTERSECT);
    Shape3D s3D2 = new Shape3D();
    s3D2.setGeometry(pick);
    s3D2.setAppearance(a);

    // Create a 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 spinTg2 = new TransformGroup();
    spinTg2.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    spinTg2.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    spinTg2.setCapability(TransformGroup.ENABLE_PICK_REPORTING);

    spinTg2.addChild(s3D2);
    objScale.addChild(spinTg2);

    // 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.

    // 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);
    l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    l1Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING);
    objScale.addChild(l1Trans);

    t = new Transform3D();
    Vector3d lPos2 = new Vector3d(0.5, 1.2, 2.0);
    t.set(lPos2);
    TransformGroup l2Trans = new TransformGroup(t);
    l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    l2Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING);
    objScale.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, Sphere.GENERATE_NORMALS | Sphere.ENABLE_GEOMETRY_PICKING, 15, appL1));
    l2Trans.addChild(new Sphere(0.05f, Sphere.GENERATE_NORMALS | Sphere.ENABLE_GEOMETRY_PICKING, 15, appL2));

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

    Light lgt1;
    Light lgt2;

    Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f);
    Point3f atten = new Point3f(1.0f, 0.0f, 0.0f);
    lgt1 = new PointLight(lColor1, lPoint, atten);
    lgt2 = new PointLight(lColor2, lPoint, atten);

    // 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);

    PickRotateBehavior behavior1 = new PickRotateBehavior(objRoot, canvas, bounds);
    behavior1.setMode(PickTool.GEOMETRY);
    behavior1.setTolerance(0.0f);
    objRoot.addChild(behavior1);

    PickZoomBehavior behavior2 = new PickZoomBehavior(objRoot, canvas, bounds);
    behavior2.setMode(PickTool.GEOMETRY);
    behavior2.setTolerance(0.0f);
    objRoot.addChild(behavior2);

    PickTranslateBehavior behavior3 = new PickTranslateBehavior(objRoot, canvas, bounds);
    behavior3.setMode(PickTool.GEOMETRY);
    behavior3.setTolerance(0.0f);
    objRoot.addChild(behavior3);

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

    return objRoot;
}

From source file:SplineAnim.java

public BranchGroup createSceneGraph() {

    // Colors for lights and objects
    Color3f aColor = new Color3f(0.2f, 0.2f, 0.2f);
    Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f coneColor = new Color3f(0.9f, 0.1f, 0.1f);
    Color3f sphereColor = new Color3f(0.1f, 0.7f, 0.9f);
    Color3f bgColor = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f lightColor = new Color3f(1.0f, 1.0f, 1.0f);

    // Root of the branch grsph
    BranchGroup root = new BranchGroup();

    // Create transforms such that all objects appears in the scene
    sceneTransform = new Transform3D();
    sceneTransform.setScale(0.14f);//from w w  w . j a va2 s .c  om
    Transform3D yrot = new Transform3D();
    yrot.rotY(-Math.PI / 5.0d);
    sceneTransform.mul(yrot);
    sceneTransformGroup = new TransformGroup(sceneTransform);
    sceneTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    sceneTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    root.addChild(sceneTransformGroup);

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

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

    // Create the transform group node for the lights
    lightTransform1 = new Transform3D();
    lightTransform2 = new Transform3D();
    Vector3d lightPos1 = new Vector3d(0.0, 0.0, 2.0);
    Vector3d lightPos2 = new Vector3d(1.0, 0.0, -2.0);
    lightTransform1.set(lightPos1);
    lightTransform2.set(lightPos2);
    light1TransformGroup = new TransformGroup(lightTransform1);
    light2TransformGroup = new TransformGroup(lightTransform2);
    sceneTransformGroup.addChild(light1TransformGroup);
    sceneTransformGroup.addChild(light2TransformGroup);

    // Create lights
    AmbientLight ambLight = new AmbientLight(aColor);
    Light dirLight1;
    Light dirLight2;

    Vector3f lightDir1 = new Vector3f(lightPos1);
    Vector3f lightDir2 = new Vector3f(lightPos2);
    lightDir1.negate();
    lightDir2.negate();
    dirLight1 = new DirectionalLight(lightColor, lightDir1);
    dirLight2 = new DirectionalLight(lightColor, lightDir2);

    // Set the influencing bounds
    ambLight.setInfluencingBounds(bounds);
    dirLight1.setInfluencingBounds(bounds);
    dirLight2.setInfluencingBounds(bounds);

    // Add the lights into the scene graph
    sceneTransformGroup.addChild(ambLight);
    sceneTransformGroup.addChild(dirLight1);
    sceneTransformGroup.addChild(dirLight2);

    // Create a cone and add it to the scene graph.
    objTransform = new Transform3D();
    objTransformGroup = new TransformGroup(objTransform);
    objTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    sceneTransformGroup.addChild(objTransformGroup);

    Material m = new Material(coneColor, eColor, coneColor, sColor, 100.0f);
    Appearance a = new Appearance();
    m.setLightingEnable(true);
    a.setMaterial(m);
    Cone cone = new Cone(0.4f, 1.0f);
    cone.setAppearance(a);
    objTransformGroup.addChild(cone);

    // Create transform groups for each knot point
    // knot point 0
    Transform3D t3dKnot = new Transform3D();
    t3dKnot.set(pos0);
    TransformGroup k0TransformGroup = new TransformGroup(t3dKnot);
    sceneTransformGroup.addChild(k0TransformGroup);

    // knot point 1
    t3dKnot = new Transform3D();
    t3dKnot.set(pos1);
    TransformGroup k1TransformGroup = new TransformGroup(t3dKnot);
    sceneTransformGroup.addChild(k1TransformGroup);

    // knot point 2
    t3dKnot = new Transform3D();
    t3dKnot.set(pos2);
    TransformGroup k2TransformGroup = new TransformGroup(t3dKnot);
    sceneTransformGroup.addChild(k2TransformGroup);

    // knot point 3
    t3dKnot = new Transform3D();
    t3dKnot.set(pos3);
    TransformGroup k3TransformGroup = new TransformGroup(t3dKnot);
    sceneTransformGroup.addChild(k3TransformGroup);

    // knot point 4
    t3dKnot = new Transform3D();
    t3dKnot.set(pos4);
    TransformGroup k4TransformGroup = new TransformGroup(t3dKnot);
    sceneTransformGroup.addChild(k4TransformGroup);

    // knot point 5
    t3dKnot = new Transform3D();
    t3dKnot.set(pos5);
    TransformGroup k5TransformGroup = new TransformGroup(t3dKnot);
    sceneTransformGroup.addChild(k5TransformGroup);

    // Create spheres for each knot point's transform group
    ColoringAttributes sphereColorAttr = new ColoringAttributes();
    sphereColorAttr.setColor(sphereColor);
    Appearance sphereAppearance = new Appearance();
    sphereAppearance.setColoringAttributes(sphereColorAttr);
    k0TransformGroup.addChild(new Sphere(0.10f, sphereAppearance));
    k1TransformGroup.addChild(new Sphere(0.10f, sphereAppearance));
    k2TransformGroup.addChild(new Sphere(0.10f, sphereAppearance));
    k3TransformGroup.addChild(new Sphere(0.10f, sphereAppearance));
    k4TransformGroup.addChild(new Sphere(0.10f, sphereAppearance));
    k5TransformGroup.addChild(new Sphere(0.10f, sphereAppearance));

    return root;
}

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;/*from ww  w .  j a v  a  2  s. 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;
}