Example usage for javax.media.j3d BranchGroup addChild

Introduction

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

public BranchGroup createSceneGraph() {

    BranchGroup contentRoot = 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);
    contentRoot.addChild(objSpin);

    Shape3D twist = new Twist();
    objSpin.addChild(twist);//  w ww .  ja  va  2 s.co m

    Alpha rotationAlpha = new Alpha(-1, 16000);

    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 1.5
    BoundingSphere bounds = new BoundingSphere();
    bounds.setRadius(1.5);
    rotator.setSchedulingBounds(bounds);
    objSpin.addChild(rotator);

    DirectionalLight lightD = new DirectionalLight();
    lightD.setInfluencingBounds(bounds);
    contentRoot.addChild(lightD);

    Background background = new Background();
    background.setColor(1.0f, 1.0f, 1.0f);
    background.setApplicationBounds(bounds);
    contentRoot.addChild(background);

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

    return contentRoot;
}

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From source file:OrientedTest.java

public void init() {
    // the paths to the image files for an applet
    if (earthImage == null) {
        try {//from www .  jav  a2s. c  o  m
            earthImage = new java.net.URL(getCodeBase().toString() + "/earth.jpg");
        } catch (java.net.MalformedURLException ex) {
            System.out.println(ex.getMessage());
            System.exit(1);
        }
    }
    if (stoneImage == null) {
        try {
            stoneImage = new java.net.URL(getCodeBase().toString() + "/stone.jpg");
        } catch (java.net.MalformedURLException ex) {
            System.out.println(ex.getMessage());
            System.exit(1);
        }
    }
    setLayout(new BorderLayout());
    GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();

    Canvas3D c = new Canvas3D(config);
    add("Center", c);

    // Create a simple scene and attach it to the virtual universe
    BranchGroup scene = createSceneGraph();
    u = new SimpleUniverse(c, 4);

    // add mouse behaviors to ViewingPlatform
    ViewingPlatform viewingPlatform = u.getViewingPlatform();

    // there is a special rotate behavior, so can't use the utility
    // method
    MouseRotateY rotate = new MouseRotateY(MouseRotateY.INVERT_INPUT);
    rotate.setTransformGroup(viewingPlatform.getMultiTransformGroup().getTransformGroup(0));
    BranchGroup rotateBG = new BranchGroup();
    rotateBG.addChild(rotate);
    viewingPlatform.addChild(rotateBG);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    rotate.setSchedulingBounds(bounds);

    MouseZoom zoom = new MouseZoom(c, MouseZoom.INVERT_INPUT);
    zoom.setTransformGroup(viewingPlatform.getMultiTransformGroup().getTransformGroup(1));
    zoom.setSchedulingBounds(bounds);
    BranchGroup zoomBG = new BranchGroup();
    zoomBG.addChild(zoom);
    viewingPlatform.addChild(zoomBG);

    MouseTranslate translate = new MouseTranslate(c, MouseTranslate.INVERT_INPUT);
    translate.setTransformGroup(viewingPlatform.getMultiTransformGroup().getTransformGroup(2));
    translate.setSchedulingBounds(bounds);
    BranchGroup translateBG = new BranchGroup();
    translateBG.addChild(translate);
    viewingPlatform.addChild(translateBG);

    // This will move the ViewPlatform back a bit so the
    // objects in the scene can be viewed.
    u.getViewingPlatform().setNominalViewingTransform();

    u.addBranchGraph(scene);
}

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From source file:HelloUniverse1.java

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

    // Create the TransformGroup node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at run time. Add it to
    // the root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objRoot.addChild(objTrans);

    // Create a simple Shape3D node; add it to the scene graph.
    objTrans.addChild(new ColorCube(0.4));

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

    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);
    objRoot.addChild(rotator);/*from w  ww  . ja  v a  2  s  . c o m*/

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

    return objRoot;
}

---

From source file:LOD.java

private void createLights(BranchGroup graphRoot) {

    // Create a bounds for the light source influence
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    // Set up the global, ambient light
    Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);
    AmbientLight aLgt = new AmbientLight(alColor);
    aLgt.setInfluencingBounds(bounds);/*from w  w w .j a  va 2s. com*/
    graphRoot.addChild(aLgt);

    // Set up the directional (infinite) light source
    Color3f lColor1 = new Color3f(0.9f, 0.9f, 0.9f);
    Vector3f lDir1 = new Vector3f(1.0f, 1.0f, -1.0f);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(bounds);
    graphRoot.addChild(lgt1);
}

---

From source file:TwistStripApp.java

public BranchGroup createSceneGraph() {

    BranchGroup contentRoot = 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);
    contentRoot.addChild(objSpin);

    Shape3D twist = new Twist();
    objSpin.addChild(twist);/* w  ww. j  av  a 2 s.  c o m*/

    // Duplicate the twist strip geometry and set the
    // appearance of the new Shape3D object to line mode
    // without culling.
    // Add the POLYGON_FILLED and POLYGON_LINE strips
    // in the scene graph at the same point.
    // This will show the triangles of the original Mobius strip that
    // are clipped. The PolygonOffset is set to prevent stitching.
    PolygonAttributes polyAttrib = new PolygonAttributes();
    polyAttrib.setCullFace(PolygonAttributes.CULL_NONE);
    polyAttrib.setPolygonMode(PolygonAttributes.POLYGON_LINE);
    polyAttrib.setPolygonOffset(0.001f);
    Appearance polyAppear = new Appearance();
    polyAppear.setPolygonAttributes(polyAttrib);
    objSpin.addChild(new Shape3D(twist.getGeometry(), polyAppear));

    Alpha rotationAlpha = new Alpha(-1, 16000);

    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 1
    BoundingSphere bounds = new BoundingSphere();
    rotator.setSchedulingBounds(bounds);
    objSpin.addChild(rotator);

    // make background white
    Background background = new Background(1.0f, 1.0f, 1.0f);
    background.setApplicationBounds(bounds);
    contentRoot.addChild(background);

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

    return contentRoot;
}

---

From source file:TextureMapping.java

/**
 * Erstellt den Szenegraphen//from w w  w .  ja v  a2s  .  c  om
 * 
 * @return BranchGroup
 */
public BranchGroup macheSzene() {
    BranchGroup objWurzel = new BranchGroup();
    // Transformation, 2 Rotationen:
    Transform3D drehung = new Transform3D();
    Transform3D drehung2 = new Transform3D();
    drehung.rotX(Math.PI / 4.0d);
    drehung2.rotY(Math.PI / 5.0d);
    drehung.mul(drehung2);
    TransformGroup objDreh = new TransformGroup(drehung);

    objDreh.addChild(new Box(0.5f, 0.5f, 0.5f, Box.GENERATE_TEXTURE_COORDS, makeAppearance()));

    objWurzel.addChild(objDreh);

    return objWurzel;
}

---

From source file:AWTInteraction.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.
    objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objRoot.addChild(objTrans);

    // Create a simple shape leaf node, add it to the scene graph.
    objTrans.addChild(new ColorCube(0.4));

    // create the AWTInteractionBehavior
    AWTInteractionBehavior awtBehavior = new AWTInteractionBehavior(objTrans);
    rotateB.addActionListener(awtBehavior);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    awtBehavior.setSchedulingBounds(bounds);
    objRoot.addChild(awtBehavior);//from ww  w  .  j  a va 2s  . co  m

    return objRoot;
}

---

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);/*w  w w  .ja v a 2 s  .c  om*/
    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;
}

---

From source file:Licht.java

/**
 * Erstellt den Szenegraphen/*from   w  w  w.j ava  2s .  c o m*/
 * 
 * @return BranchGroup
 */
public BranchGroup macheSzene() {
    BranchGroup objWurzel = new BranchGroup();
    // Transformation, 2 Rotationen:
    Transform3D drehung = new Transform3D();
    Transform3D drehung2 = new Transform3D();
    drehung.rotX(Math.PI / 4.0d);
    drehung2.rotY(Math.PI / 5.0d);
    drehung.mul(drehung2);
    TransformGroup objDreh = new TransformGroup(drehung);

    Sphere kugel = new Sphere(0.5f, Sphere.GENERATE_NORMALS, 50, makeAppearance());
    objWurzel.addChild(kugel);
    objWurzel.addChild(objDreh);

    //directes Licht
    DirectionalLight d_Licht = new DirectionalLight();
    d_Licht.setInfluencingBounds(new BoundingSphere(new Point3d(0.0d, 0.0d, 0.0d), Double.MAX_VALUE));
    d_Licht.setColor(new Color3f(1.0f, 0.0f, 0.0f));
    Vector3f dir = new Vector3f(1.0f, 2.0f, -1.0f);
    dir.normalize();
    d_Licht.setDirection(dir);
    objWurzel.addChild(d_Licht);

    // ambient Licht
    AmbientLight a_licht = new AmbientLight();
    a_licht.setInfluencingBounds(new BoundingSphere(new Point3d(0.0f, 0.0f, 0.0f), Double.MAX_VALUE));
    a_licht.setColor(new Color3f(1.0f, 0.0f, 0.0f));
    objWurzel.addChild(a_licht);

    return objWurzel;
}

---

From source file:BackgroundApp.java

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

    Vector3f translate = new Vector3f();
    Transform3D T3D = new Transform3D();

    translate.set(0.0f, -0.3f, 0.0f);// w  w  w. java2  s.c om
    T3D.setTranslation(translate);
    TransformGroup objRoot = new TransformGroup(T3D);
    objRootBG.addChild(objRoot);

    objRoot.addChild(createLand());

    BoundingLeaf boundingLeaf = new BoundingLeaf(new BoundingSphere());

    PlatformGeometry platformGeom = new PlatformGeometry();
    platformGeom.addChild(boundingLeaf);
    platformGeom.compile();
    su.getViewingPlatform().setPlatformGeometry(platformGeom);

    KeyNavigatorBehavior keyNavBeh = new KeyNavigatorBehavior(
            su.getViewingPlatform().getViewPlatformTransform());
    keyNavBeh.setSchedulingBoundingLeaf(boundingLeaf);
    objRootBG.addChild(keyNavBeh);

    Background background = new Background();
    background.setApplicationBounds(new BoundingSphere(new Point3d(), 1000.0));
    background.setGeometry(createBackGraph());
    objRoot.addChild(background);

    AmbientLight ambientLight = new AmbientLight();
    ambientLight.setInfluencingBounds(new BoundingSphere());
    objRootBG.addChild(ambientLight);

    return objRootBG;
}

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