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: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);/*from   w  ww .jav  a 2 s . 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. 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;
}

---

From source file:SimpleGame.java

/**
 * This builds the gun geometry. It uses box and cylinder primitives and
 * sets up a transform group so that we can rotate the gun.
 *//*from   w w  w  .  ja v a2  s  . c om*/
protected BranchGroup buildGun() {
    BranchGroup theGun = new BranchGroup();
    Appearance gunApp = new Appearance();
    Color3f ambientColour = new Color3f(0.5f, 0.5f, 0.5f);
    Color3f emissiveColour = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f specularColour = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f diffuseColour = new Color3f(0.5f, 0.5f, 0.5f);
    float shininess = 20.0f;
    gunApp.setMaterial(new Material(ambientColour, emissiveColour, diffuseColour, specularColour, shininess));
    TransformGroup init = new TransformGroup();
    TransformGroup barrel = new TransformGroup();
    Transform3D gunXfm = new Transform3D();
    Transform3D barrelXfm = new Transform3D();
    barrelXfm.set(new Vector3d(0.0, -2.0, 0.0));
    barrel.setTransform(barrelXfm);
    Matrix3d gunXfmMat = new Matrix3d();
    gunXfmMat.rotX(Math.PI / 2);
    gunXfm.set(gunXfmMat, new Vector3d(0.0, 0.0, 0.0), 1.0);
    init.setTransform(gunXfm);
    gunXfmGrp.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    gunXfmGrp.addChild(new Box(1.0f, 1.0f, 0.5f, gunApp));
    barrel.addChild(new Cylinder(0.3f, 4.0f, gunApp));
    gunXfmGrp.addChild(barrel);
    theGun.addChild(init);
    init.addChild(gunXfmGrp);
    return theGun;
}

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From source file:BillboardTest.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);

    objTrans.addChild(createBillboard("AXIS - 0,1,0", new Point3f(-40.0f, 40.0f, 0.0f),
            Billboard.ROTATE_ABOUT_AXIS, new Point3f(0.0f, 1.0f, 0.0f), bounds));

    objTrans.addChild(createBillboard("POINT - 10,0,0", new Point3f(40.0f, 00.0f, 0.0f),
            Billboard.ROTATE_ABOUT_POINT, new Point3f(10.0f, 0.0f, 0.0f), bounds));

    objTrans.addChild(new ColorCube(20.0));

    objRoot.addChild(objTrans);//  w  ww.j  a  v a  2  s .co m

    return objRoot;
}

---

From source file:TickTockPicking.java

private Group createObject(Appearance app, double scale, double xpos, double ypos) {

    // Create a transform group node to scale and position the object.
    Transform3D t = new Transform3D();
    t.set(scale, new Vector3d(xpos, ypos, 0.0));
    TransformGroup objTrans = new TransformGroup(t);

    // Create a second 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);

    // Create a simple shape leaf node and set the appearance
    Shape3D shape = new Tetrahedron();
    shape.setAppearance(app);/*  ww  w  .j a  v  a  2 s.co  m*/
    shape.setCapability(shape.ALLOW_APPEARANCE_READ);
    shape.setCapability(shape.ALLOW_APPEARANCE_WRITE);

    // add it to the scene graph.
    spinTg.addChild(shape);

    // 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, 5000, 0, 0, 0, 0, 0);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, spinTg, 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);

    // Add the behavior and the transform group to the object
    objTrans.addChild(rotator);
    objTrans.addChild(spinTg);

    return objTrans;
}

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From source file:LineTypes.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);// w  ww . j  a v a 2s. com
    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
    objTrans.addChild(createLineTypes());

    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: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 .ja v  a 2 s.  com
    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;
}

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From source file:VrmlPickingTest.java

private TransformGroup createMouseBehaviorsGroup() {
    TransformGroup examineGroup = new TransformGroup();
    examineGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    examineGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    Bounds behaviorBounds = getApplicationBounds();

    MouseRotate mr = new MouseRotate(examineGroup);
    mr.setSchedulingBounds(behaviorBounds);
    examineGroup.addChild(mr);

    MouseTranslate mt = new MouseTranslate(examineGroup);
    mt.setSchedulingBounds(behaviorBounds);
    examineGroup.addChild(mt);//from  ww w  .j a v  a  2  s .  co m

    MouseZoom mz = new MouseZoom(examineGroup);
    mz.setSchedulingBounds(behaviorBounds);
    examineGroup.addChild(mz);

    return examineGroup;
}

---

From source file:TextureTransformTest.java

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

    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);

    // create the rotation interpolator to rotate the scene
    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    rotator.setSchedulingBounds(createApplicationBounds());
    objTrans.addChild(rotator);

    // create the box
    final int nScale = 50;
    Appearance app = new Appearance();
    Box box = new Box(nScale, nScale, nScale, Primitive.GENERATE_NORMALS | Primitive.GENERATE_TEXTURE_COORDS,
            app);/*from  w w  w .  ja v a  2 s .c  om*/

    // load the texture image
    TextureLoader texLoader = new TextureLoader("texture.gif", this);
    app.setTexture(texLoader.getTexture());

    // set the texture attributes and ensure we
    // can write to the Transform for the texture attributes
    m_TextureAttributes = new TextureAttributes();
    m_TextureAttributes.setCapability(TextureAttributes.ALLOW_TRANSFORM_WRITE);
    app.setTextureAttributes(m_TextureAttributes);

    // connect all the elements
    objTrans.addChild(box);
    objRoot.addChild(objTrans);
    objRoot.addChild(createRotator());

    return objRoot;
}

---

From source file:HelloUniverse.java

public BranchGroup createSceneGraph() {

    BranchGroup objRoot = new BranchGroup();
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objRoot.addChild(objTrans);/*w  ww  .  j a  v a 2 s  .  c om*/
    objTrans.addChild(new ColorCube(0.2));
    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);
    return objRoot;
}

---

From source file:Text3DTest.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, 4000, 0, 0, 0);

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

    objTrans.addChild(createText3D(rotator, "setString", 1, 10.0f, 6.0f, Text3D.PATH_RIGHT));
    objRoot.addChild(objTrans);//from w w  w.jav a2 s .  com

    return objRoot;
}

---

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