Example usage for javax.media.j3d BranchGroup BranchGroup

Introduction

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

Prototype

public BranchGroup() 

Source Link

Document

Constructs and initializes a new BranchGroup node object.

Usage

From source file:PickCallbackApp.java

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

    TransformGroup objRotate = null;/*from w ww . ja  v a2 s  . com*/
    PickRotateBehavior pickRotate = null;
    Transform3D transform = new Transform3D();
    BoundingSphere behaveBounds = new BoundingSphere();

    // create ColorCube and PickRotateBehavior objects
    transform.setTranslation(new Vector3f(-0.6f, 0.0f, -0.6f));
    objRotate = new TransformGroup(transform);
    objRotate.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objRotate.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    objRotate.setCapability(TransformGroup.ENABLE_PICK_REPORTING);

    objRoot.addChild(objRotate);
    objRotate.addChild(new ColorCube(0.4));

    pickRotate = new PickRotateBehavior(objRoot, canvas, behaveBounds);
    objRoot.addChild(pickRotate);

    PickingCallback myCallback = new MyCallbackClass();
    // Register the class callback to be called 
    pickRotate.setupCallback(myCallback);

    // add a second ColorCube object to the scene graph
    transform.setTranslation(new Vector3f(0.6f, 0.0f, -0.6f));
    objRotate = new TransformGroup(transform);
    objRotate.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objRotate.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    objRotate.setCapability(TransformGroup.ENABLE_PICK_REPORTING);

    objRoot.addChild(objRotate);
    objRotate.addChild(new ColorCube(0.4));

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

    return objRoot;
}

---

From source file:Text2DApp.java

public BranchGroup createSceneGraph() {

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

    // Create the transform group node and initialize it to the
    // identity. Add it to the root of the subgraph.
    TransformGroup objSpin = new TransformGroup();
    objSpin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objRoot.addChild(objSpin);//from w  ww .j a v a2 s .  c om

    // Create a simple Text2D leaf node, add it to the scene graph.
    Text2D text2d = new Text2D("2D text in Java 3D", new Color3f(0.9f, 1.0f, 1.0f), "Helvetica", 24,
            Font.ITALIC);

    objSpin.addChild(text2d);

    Appearance textAppear = text2d.getAppearance();

    // The following 4 lines of code (commented out) make the Text2D object
    // 2-sided.
    // This code depends on the line of code above that sets TextAppear.
    //         PolygonAttributes polyAttrib = new PolygonAttributes();
    //         polyAttrib.setCullFace(PolygonAttributes.CULL_NONE);
    //         polyAttrib.setBackFaceNormalFlip(true);
    //         textAppear.setPolygonAttributes(polyAttrib);

    // The following 12 lines of code (commented out) use the texture from
    // the previous Text2D object on another object.
    // This code depends on the line of code above that sets TextAppear.
    //         QuadArray qa = new QuadArray(4, QuadArray.COORDINATES |
    //                                         QuadArray.TEXTURE_COORDINATE_2);
    //         qa.setCoordinate(0, new Point3f(-10.0f, 1.0f, -5.0f));
    //         qa.setCoordinate(1, new Point3f(-10.0f, -1.0f, -5.0f));
    //         qa.setCoordinate(2, new Point3f(10.0f, -1.0f, -5.0f));
    //         qa.setCoordinate(3, new Point3f(10.0f, 1.0f, -5.0f));
    //         qa.setTextureCoordinate(0, new Point2f(0.0f, 1.0f));
    //         qa.setTextureCoordinate(1, new Point2f(0.0f, 0.0f));
    //         qa.setTextureCoordinate(2, new Point2f(1.0f, 0.0f));
    //         qa.setTextureCoordinate(3, new Point2f(1.0f, 1.0f));
    //
    //         objRoot.addChild(new Shape3D(qa, textAppear));

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into
    // the scene graph.
    Alpha rotationAlpha = new Alpha(-1, 8000);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objSpin);

    // a bounding sphere specifies a region a behavior is active
    // create a sphere centered at the origin with radius of 100
    BoundingSphere bounds = new BoundingSphere();
    rotator.setSchedulingBounds(bounds);
    objSpin.addChild(rotator);

    Background backg = new Background();
    backg.setColor(0.4f, 0.4f, 1.0f);
    backg.setApplicationBounds(new BoundingSphere());
    objRoot.addChild(backg);

    return objRoot;
}

---

From source file:SimpleCylinder.java

/**
 * This builds the content branch of our scene graph. It uses the Cylinder
 * utility class to create the actual shape, adding to to the transform
 * group so that the shape is slightly tilted to reveal its 3D shape.
 * /*from   w ww  .j  a  v a2s  .c o  m*/
 * @param shape
 *            Node that represents the geometry for the content
 * @return BranchGroup that is the root of the content branch
 */
protected BranchGroup buildContentBranch() {
    BranchGroup contentBranch = new BranchGroup();
    Transform3D rotateCube = new Transform3D();
    rotateCube.set(new AxisAngle4d(1.0, 1.0, 0.0, Math.PI / 4.0));
    TransformGroup rotationGroup = new TransformGroup(rotateCube);
    contentBranch.addChild(rotationGroup);
    //Create the shape and add it to the branch
    rotationGroup.addChild(new Cylinder(1.0f, 1.0f, new Appearance()));
    return contentBranch;
}

---

From source file:SimpleCone.java

/**
 * This builds the content branch of our scene graph. It uses the buildShape
 * function to create the actual shape, adding to to the transform group so
 * that the shape is slightly tilted to reveal its 3D shape.
 * //  www . ja v a 2 s  .c om
 * @param shape
 *            Node that represents the geometry for the content
 * @return BranchGroup that is the root of the content branch
 */
protected BranchGroup buildContentBranch() {
    BranchGroup contentBranch = new BranchGroup();
    Transform3D rotateCube = new Transform3D();
    rotateCube.set(new AxisAngle4d(1.0, 1.0, 0.0, Math.PI / 4.0));
    TransformGroup rotationGroup = new TransformGroup(rotateCube);
    contentBranch.addChild(rotationGroup);
    rotationGroup.addChild(new Cone(1.0f, 2.0f, 0, new Appearance()));
    return contentBranch;
}

---

From source file:AppearanceTest.java

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

    // 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
    TextureLoader bgTexture = new TextureLoader(bgImage, this);
    Background bg = new Background(bgTexture.getImage());
    bg.setApplicationBounds(bounds);//from  w  w w . j av a 2 s . co m
    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;
    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) * 0.6;
        for (int j = 0; j < 3; j++) {
            double xpos = (double) (j - 1) * 0.6;
            objRoot.addChild(createObject(app[i][j], 0.12, xpos, ypos));
        }
    }

    // Let 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);/*from w w  w.j a  va  2 s  .  c om*/
        tg.addChild(sphere);
        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);
}

---

From source file:TextureImage.java

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

    // 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);
    objRoot.addChild(objTrans);//from   w w w. j ava 2 s .c om

    // Create appearance object for textured cube
    Appearance app = new Appearance();
    Texture tex = new TextureLoader(texImage, this).getTexture();
    app.setTexture(tex);
    TextureAttributes texAttr = new TextureAttributes();
    texAttr.setTextureMode(TextureAttributes.MODULATE);
    app.setTextureAttributes(texAttr);

    // Create textured cube and add it to the scene graph.
    Box textureCube = new Box(0.4f, 0.4f, 0.4f, 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);

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

    return objRoot;
}

---

From source file:LOD.java

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

    createLights(objRoot);/*  ww  w .j  av  a2s.co  m*/

    // 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);

    // Create a switch to hold the different levels of detail
    Switch sw = new Switch(0);
    sw.setCapability(javax.media.j3d.Switch.ALLOW_SWITCH_READ);
    sw.setCapability(javax.media.j3d.Switch.ALLOW_SWITCH_WRITE);

    // Create several levels for the switch, with less detailed
    // spheres for the ones which will be used when the sphere is
    // further away
    sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 40));
    sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 20));
    sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 10));
    sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 3));

    // Add the switch to the main group
    objTrans.addChild(sw);

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

    // set up the DistanceLOD behavior
    float[] distances = new float[3];
    distances[0] = 5.0f;
    distances[1] = 10.0f;
    distances[2] = 25.0f;
    DistanceLOD lod = new DistanceLOD(distances);
    lod.addSwitch(sw);
    lod.setSchedulingBounds(bounds);
    objTrans.addChild(lod);

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

    return objRoot;
}

---

From source file:MouseNavigatorApp.java

public BranchGroup createSceneGraph(SimpleUniverse su) {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();
    TransformGroup vpTrans = null;//from   w  ww .j a va2 s. c  om
    BoundingSphere mouseBounds = null;

    vpTrans = su.getViewingPlatform().getViewPlatformTransform();

    objRoot.addChild(new ColorCube(0.4));
    objRoot.addChild(new Axis());

    mouseBounds = new BoundingSphere(new Point3d(), 1000.0);

    MouseRotate myMouseRotate = new MouseRotate(MouseBehavior.INVERT_INPUT);
    myMouseRotate.setTransformGroup(vpTrans);
    myMouseRotate.setSchedulingBounds(mouseBounds);
    objRoot.addChild(myMouseRotate);

    MouseTranslate myMouseTranslate = new MouseTranslate(MouseBehavior.INVERT_INPUT);
    myMouseTranslate.setTransformGroup(vpTrans);
    myMouseTranslate.setSchedulingBounds(mouseBounds);
    objRoot.addChild(myMouseTranslate);

    MouseZoom myMouseZoom = new MouseZoom(MouseBehavior.INVERT_INPUT);
    myMouseZoom.setTransformGroup(vpTrans);
    myMouseZoom.setSchedulingBounds(mouseBounds);
    objRoot.addChild(myMouseZoom);

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

    return objRoot;
}

---

From source file:AxisClassDemoApp.java

public BranchGroup createSceneGraph() {

    BranchGroup objRoot = new BranchGroup();
    objRoot.addChild(new Axis());

    // 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 objSpin = new TransformGroup();
    objSpin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    // 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, 4000);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objSpin);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    rotator.setSchedulingBounds(bounds);

    Transform3D trans = new Transform3D();
    trans.set(new Vector3f(0.5f, 0.0f, 0.0f));
    TransformGroup objTrans = new TransformGroup(trans);
    objRoot.addChild(objSpin);/*from   w  w  w.j a va 2s  .  co  m*/
    objSpin.addChild(objTrans);
    objSpin.addChild(rotator);
    objTrans.addChild(new ColorCube(0.1));

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

    return objRoot;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• »