Example usage for javax.media.j3d TransformGroup addChild

Introduction

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

Prototype

public void addChild(Node child) 

Source Link

Document

Appends the specified child node to this group node's list of children.

Usage

From source file:AlternateAppearanceScopeTest.java

public SphereGroup(float radius, float xSpacing, float ySpacing, int xCount, int yCount, Appearance app,
        boolean overrideflag) {
    if (app == null) {
        app = new Appearance();
        Material material = new Material();
        material.setDiffuseColor(new Color3f(0.8f, 0.8f, 0.8f));
        material.setSpecularColor(new Color3f(0.0f, 0.0f, 0.0f));
        material.setShininess(0.0f);/*w  w w  .  ja va  2  s  .co  m*/
        app.setMaterial(material);
    }

    double xStart = -xSpacing * (double) (xCount - 1) / 2.0;
    double yStart = -ySpacing * (double) (yCount - 1) / 2.0;

    Sphere sphere = null;
    TransformGroup trans = null;
    Transform3D t3d = new Transform3D();
    Vector3d vec = new Vector3d();
    double x, y = yStart, z = 0.0;
    shapes = new Shape3D[xCount * yCount];
    for (int i = 0; i < yCount; i++) {
        x = xStart;
        for (int j = 0; j < xCount; j++) {
            vec.set(x, y, z);
            t3d.setTranslation(vec);
            trans = new TransformGroup(t3d);
            addChild(trans);

            sphere = new Sphere(radius, // sphere radius
                    Primitive.GENERATE_NORMALS, // generate normals
                    16, // 16 divisions radially
                    app); // it's appearance
            trans.addChild(sphere);
            x += xSpacing;
            shapes[numShapes] = sphere.getShape();
            if (overrideflag)
                shapes[numShapes].setCapability(Shape3D.ALLOW_APPEARANCE_OVERRIDE_WRITE);
            numShapes++;
        }
        y += ySpacing;
    }
}

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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 ww w .  ja v a 2 s  .  c  o m
    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;
}

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From source file:ScenegraphTest.java

private TransformGroup addLimb(Group parentGroup, String szName, double radius, double length, double rotMin,
        double rotMax) {
    // create the rotator
    TransformGroup tgJoint = new TransformGroup();
    tgJoint.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    tgJoint.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

    // add a rotator if necessary
    if (rotMin != rotMax) {
        Transform3D xAxis = new Transform3D();
        xAxis.rotX(Math.PI / 2.0);
        Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0);

        RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, tgJoint, xAxis, (float) rotMin,
                (float) rotMax);
        rotator.setSchedulingBounds(createApplicationBounds());
        tgJoint.addChild(rotator);
    }/* w w  w  .java2s . c  o m*/

    // create a cylinder using length and radius
    tgJoint.addChild(createLimb(radius, length));

    // create the joint (the *next* TG should
    // be offset by the length of this limb)
    TransformGroup tgOffset = new TransformGroup();

    Transform3D t3d = new Transform3D();
    t3d.setTranslation(new Vector3d(0, length, 0));
    tgOffset.setTransform(t3d);

    tgJoint.addChild(tgOffset);
    parentGroup.addChild(tgJoint);

    // return the offset TG, so any child TG's will be added
    // in the correct position.
    return tgOffset;
}

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From source file:CustomAlphaTest.java

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

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

    ColorCube cube = new ColorCube(2);
    objTrans.addChild(cube);

    FileAlpha fileAlpha = null;// w ww.j a  v  a  2s .com

    try {
        fileAlpha = new FileAlpha(new URL(getWorkingDirectory(), "values.xls"), this);
    } catch (Exception e) {
        e.toString();
    }

    PositionInterpolator posInterpolator = new PositionInterpolator(fileAlpha, objTrans, new Transform3D(), -6,
            6);
    posInterpolator.setSchedulingBounds(getApplicationBounds());

    objTrans.addChild(posInterpolator);
    objRoot.addChild(objTrans);

    return objRoot;
}

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From source file:NodesTest.java

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

    double labelScale = 20;

    // create the top level Switch Node
    // we will use the Switch Node to switch the
    // other Nodes on and off.
    // 1: Switch/*from   w  w  w . ja va  2  s.  c o  m*/
    Switch switchGroup = new Switch();
    switchGroup.setCapability(Switch.ALLOW_SWITCH_WRITE);
    switchGroup.addChild(createLabel("1. Switch Label", labelScale));

    // 2: BranchGroup
    BranchGroup branchGroup = new BranchGroup();
    branchGroup.addChild(createLabel("2. BranchGroup", labelScale));
    switchGroup.addChild(branchGroup);

    // 3: OrderedGroup,
    OrderedGroup orderedGroup = new OrderedGroup();
    orderedGroup.addChild(createLabel("3. OrderedGroup", labelScale));
    orderedGroup.addChild(createLabel("Child 1", labelScale));
    orderedGroup.addChild(createLabel("Child 2", labelScale));
    switchGroup.addChild(orderedGroup);

    // 4: SharedGroup,
    SharedGroup sharedGroup1 = new SharedGroup();
    sharedGroup1.addChild(createLabel("4. Shared Group 1", labelScale));
    switchGroup.addChild(new Link(sharedGroup1));

    // 5: Primitive,
    BranchGroup primitiveGroup = new BranchGroup();
    primitiveGroup.addChild(createLabel("5. Primitive", labelScale));
    primitiveGroup.addChild(new Sphere(2));
    switchGroup.addChild(primitiveGroup);

    // 6: TransformGroup
    TransformGroup transformGroup = new TransformGroup();
    transformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    transformGroup.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, transformGroup, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    rotator.setSchedulingBounds(createApplicationBounds());
    transformGroup.addChild(rotator);

    transformGroup.addChild(new ColorCube(2));
    transformGroup.addChild(createLabel("6. TransformGroup", labelScale));
    switchGroup.addChild(transformGroup);

    // 7: add another copy of the shared group
    switchGroup.addChild(new Link(sharedGroup1));

    // create a SwitchValueInterpolator to
    // cycle through the child nodes in the Switch Node
    Alpha switchAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 10000, 0, 0, 0, 0, 0);

    SwitchValueInterpolator switchInterpolator = new SwitchValueInterpolator(switchAlpha, switchGroup);
    switchInterpolator.setSchedulingBounds(createApplicationBounds());
    switchInterpolator.setEnable(true);

    // WARNING: do not add the SwitchValueInterpolator to the Switch Node!
    objRoot.addChild(switchInterpolator);

    // finally add the Switch Node
    objRoot.addChild(switchGroup);

    return objRoot;
}

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From source file:AvatarTest.java

ViewerAvatar createAvatar() {
    ViewerAvatar va = new ViewerAvatar();
    TransformGroup tg = new TransformGroup();

    Car car = new Car(this, tg, ComplexObject.GEOMETRY | ComplexObject.TEXTURE | ComplexObject.COLLISION
            | ComplexObject.COLLISION_SOUND);

    car.createObject(new Appearance(), new Vector3d(0, -0.3, -0.3), new Vector3d(0.3, 0.3, 1), "platform.jpg",
            null, "collide.wav");

    tg.addChild(car);
    va.addChild(tg);/*from w  w w.j  ava  2  s .  com*/

    return va;
}

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From source file:PickCollisionTest.java

protected void addCube(BranchGroup bg, double x, double y, double z, double sx, double sy, double sz,
        String name, boolean wireframe) {
    // create four ColorCube objects
    TransformGroup cubeTg = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setTranslation(new Vector3d(x, y, z));
    t3d.setScale(new Vector3d(sx, sy, sz));
    cubeTg.setTransform(t3d);/*from  w  w  w .  j a  v a2s  .c  om*/
    ColorCube cube = new ColorCube(1.0);

    // we have to make the front face wireframe
    // or we can't see inside the box!
    if (wireframe) {
        Appearance app = new Appearance();
        app.setPolygonAttributes(
                new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_NONE, 0));
        cube.setAppearance(app);
    }

    cubeTg.addChild(cube);
    recursiveSetUserData(cubeTg, name);

    bg.addChild(cubeTg);
}

---

From source file:Human1.java

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

    // Create a TransformGroup to scale the scene down by 3.5x
    // TODO: move view platform instead of scene using orbit behavior
    TransformGroup objScale = new TransformGroup();
    Transform3D scaleTrans = new Transform3D();
    scaleTrans.set(1 / 3.5f); // scale down by 3.5x
    objScale.setTransform(scaleTrans);//from   ww w  .  j  a  v  a  2  s  . c om
    objRoot.addChild(objScale);

    // Create a TransformGroup and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // the mouse behaviors 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);

    // Add the primitives to the scene
    createHuman(); // the human
    objTrans.addChild(Human_body);

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

    Background bg = new Background(new Color3f(1.0f, 1.0f, 1.0f));
    bg.setApplicationBounds(bounds);
    objTrans.addChild(bg);

    // set up the mouse rotation behavior
    MouseRotate mr = new MouseRotate();
    mr.setTransformGroup(objTrans);
    mr.setSchedulingBounds(bounds);
    mr.setFactor(0.007);
    objTrans.addChild(mr);

    // 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, 1.0f);
    Vector3f light1Direction = new Vector3f(0.0f, -0.2f, -1.0f);

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

    return objRoot;
}

---

From source file:HiResCoordTest.java

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

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

    Transform3D yAxis = new Transform3D();
    yAxis.rotZ(0.2);/*from  w  w  w .ja  v  a  2  s.  c om*/
    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), m_TranslateSunZ);
    rotator.setSchedulingBounds(bounds);
    objTrans.addChild(rotator);

    Transform3D t3d = new Transform3D();
    t3d.setScale(m_EarthRadius);

    objTrans.addChild(createPlanet("Earth", new Color3f(0, 0.1f, 1), t3d, "earth.jpg"));
    objRoot.addChild(objTrans);

    return objRoot;
}

---

From source file:HiResCoordTest.java

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

    Transform3D t3dTilt = new Transform3D();
    t3dTilt.rotX(0.3);//from w  w  w  .j av  a  2 s  . c  o  m

    TransformGroup objTrans = new TransformGroup(t3dTilt);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    TransformGroup objTransPlanets = new TransformGroup();
    objTransPlanets.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    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, objTransPlanets, yAxis, 0.0f,
            (float) Math.PI * 2.0f);

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), m_TranslateSunZ);
    rotator.setSchedulingBounds(bounds);
    objTransPlanets.addChild(rotator);

    // create the sun
    TransformGroup sunTg = createSun();

    // create Earth
    Transform3D t3dEarth = new Transform3D();
    t3dEarth.setScale(m_EarthRadius);
    t3dEarth.setTranslation(new Vector3d(m_EarthOrbit, 0, 0));
    objTransPlanets.addChild(createPlanet("Earth", new Color3f(0, 0.1f, 1.0f), t3dEarth, null));

    // create Mars
    Transform3D t3dMars = new Transform3D();
    t3dMars.setTranslation(
            new Vector3d(Math.sin(Math.PI * 1.5) * m_MarsOrbit, 0, Math.cos(Math.PI * 0.5) * m_MarsOrbit));
    t3dMars.setScale(m_MarsRadius);
    objTransPlanets.addChild(createPlanet("Mars", new Color3f(1, 0, 0), t3dMars, null));

    // create Mercury
    Transform3D t3dMercury = new Transform3D();
    t3dMercury.setTranslation(
            new Vector3d(Math.sin(Math.PI) * m_MercuryOrbit, 0, Math.cos(Math.PI) * m_MercuryOrbit));
    t3dMercury.setScale(m_MercuryRadius);
    objTransPlanets.addChild(createPlanet("Mercury", new Color3f(0.5f, 0.5f, 0.5f), t3dMercury, null));

    sunTg.addChild(objTransPlanets);
    objTrans.addChild(sunTg);
    objRoot.addChild(objTrans);

    return objRoot;
}

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