Example usage for javax.media.j3d BranchGroup addChild

List of usage examples 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:Gouraud.java

/**
 * Erstellt den Szenegraphen/* www  .  j  a va2  s  .  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);
    //Loader
    ObjectFile file = new ObjectFile(ObjectFile.RESIZE);
    Scene scene = null;
    try {
        // Laden der Obj Datei mittels jar
        scene = file.load(ClassLoader.getSystemResource("teapot.obj"));
    } catch (Exception e) {
        System.err.println(e);
        System.exit(1);
    }
    objDreh.addChild(scene.getSceneGroup());

    DirectionalLight d_Licht = new DirectionalLight(new Color3f(1.0f, 1.0f, 1.0f),
            new Vector3f(-1.0f, -1.0f, -1.0f));
    d_Licht.setInfluencingBounds(new BoundingSphere(new Point3d(0.0d, 0.0d, 0.0d), 100.0d));
    objDreh.addChild(d_Licht);
    objWurzel.addChild(objDreh);
    return objWurzel;
}

From source file:MouseNavigateTest.java

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

    // note that we are creating a TG *above* the TG
    // the is being controlled by the mouse behaviors.
    // The SUN mouse translate behavior would fail in this
    // instance as all movement would be in the X-Y plane
    // irrespective of any TG above the object.
    // The TornadoMouseTranslate behavior always moves an object
    // parrallel to the image plane
    TransformGroup objTrans1 = new TransformGroup();
    Transform3D t3d = new Transform3D();
    objTrans1.getTransform(t3d);/*from   w  w w . j  av  a 2 s. c  o m*/
    t3d.setEuler(new Vector3d(0.9, 0.8, 0.3));
    objTrans1.setTransform(t3d);

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

    // create the mouse scale behavior and set limits
    TornadoMouseScale mouseScale = new TornadoMouseScale(5, 0.1f);
    mouseScale.setMinScale(new Point3d(0.5, 0.5, 0.5));
    mouseScale.setMaxScale(new Point3d(2, 2, 2));
    mouseScale.setObject(objTrans);
    mouseScale.setChangeListener(this);
    mouseScale.setSchedulingBounds(getApplicationBounds());
    objTrans.addChild(mouseScale);

    // create the mouse rotate behavior
    TornadoMouseRotate mouseRotate = new TornadoMouseRotate(0.001, 0.001);
    mouseRotate.setInvert(true);
    mouseRotate.setObject(objTrans);
    mouseRotate.setChangeListener(this);
    mouseRotate.setSchedulingBounds(getApplicationBounds());
    objTrans.addChild(mouseRotate);

    // create the mouse translate behavior and set limits
    TornadoMouseTranslate mouseTrans = new TornadoMouseTranslate(0.005f);
    mouseTrans.setObject(objTrans);
    mouseTrans.setChangeListener(this);
    mouseTrans.setMinTranslate(new Point3d(-4, -4, -4));
    mouseTrans.setMaxTranslate(new Point3d(4, 4, 4));
    mouseTrans.setSchedulingBounds(getApplicationBounds());
    objTrans.addChild(mouseTrans);

    objTrans.addChild(new ColorCube(0.5));

    // create some axis for the world to show it has been rotated
    ColorCube axis = new ColorCube(5.0);
    Appearance app = new Appearance();
    app.setPolygonAttributes(
            new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_NONE, 0));
    axis.setAppearance(app);
    objTrans1.addChild(axis);

    objTrans1.addChild(objTrans);
    objRoot.addChild(objTrans1);

    return objRoot;
}

From source file:RedGreenGriffin.java

public BranchGroup createSceneGraph(int i) {
    System.out.println("Creating scene for: " + URLString);
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();
    try {//ww w.  jav  a2 s  . c  o  m
        Transform3D myTransform3D = new Transform3D();
        myTransform3D.setTranslation(new Vector3f(+0.0f, -0.15f, -3.6f));
        TransformGroup objTrans = new TransformGroup(myTransform3D);
        objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        Transform3D t = new Transform3D();
        TransformGroup tg = new TransformGroup(t);
        tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
        tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        objTrans.addChild(tg);
        URL url = new URL(URLString);
        ObjectFile f = new ObjectFile();
        f.setFlags(ObjectFile.RESIZE | ObjectFile.TRIANGULATE | ObjectFile.STRIPIFY);
        System.out.println("About to load");

        Scene s = f.load(url);
        Transform3D myTrans = new Transform3D();
        myTrans.setTranslation(new Vector3f(eyeOffset, -eyeOffset, 0F));
        TransformGroup mytg = new TransformGroup(myTrans);
        //mytg.addChild(s.getSceneGroup());
        tg.addChild(mytg);
        Transform3D myTrans2 = new Transform3D();
        myTrans2.setTranslation(new Vector3f(-eyeOffset, +eyeOffset, 0F));
        TransformGroup mytg2 = new TransformGroup(myTrans2);
        //mytg2.addChild(s.getSceneGroup());
        Hashtable table = s.getNamedObjects();
        for (Enumeration e = table.keys(); e.hasMoreElements();) {
            Object key = e.nextElement();
            System.out.println(key);
            Object obj = table.get(key);
            System.out.println(obj.getClass().getName());
            Shape3D shape = (Shape3D) obj;
            //shape.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
            Appearance ap = new Appearance();
            Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
            Color3f red = new Color3f(0.7f, .0f, .15f);
            Color3f green = new Color3f(0f, .7f, .15f);
            ap.setMaterial(new Material(green, black, green, black, 1.0f));
            Appearance ap2 = new Appearance();
            ap2.setMaterial(new Material(red, black, red, black, 1.0f));
            float transparencyValue = 0.5f;
            TransparencyAttributes t_attr = new TransparencyAttributes(TransparencyAttributes.BLENDED,
                    transparencyValue, TransparencyAttributes.BLEND_SRC_ALPHA,
                    TransparencyAttributes.BLEND_ONE);
            ap2.setTransparencyAttributes(t_attr);
            ap2.setRenderingAttributes(new RenderingAttributes());
            ap.setTransparencyAttributes(t_attr);
            ap.setRenderingAttributes(new RenderingAttributes());
            // bg.addChild(ap);
            shape.setAppearance(ap);
            mytg2.addChild(new Shape3D(shape.getGeometry(), ap2));
            mytg.addChild(new Shape3D(shape.getGeometry(), ap));
        }
        tg.addChild(mytg2);
        System.out.println("Finished Loading");
        BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
        Color3f light1Color = new Color3f(.9f, 0.9f, 0.9f);
        Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f);
        DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction);
        light1.setInfluencingBounds(bounds);
        objTrans.addChild(light1);
        // Set up the ambient light
        Color3f ambientColor = new Color3f(1.0f, .4f, 0.3f);
        AmbientLight ambientLightNode = new AmbientLight(ambientColor);
        ambientLightNode.setInfluencingBounds(bounds);
        objTrans.addChild(ambientLightNode);

        MouseRotate behavior = new MouseRotate();
        behavior.setTransformGroup(tg);
        objTrans.addChild(behavior);
        // Create the translate behavior node
        MouseTranslate behavior3 = new MouseTranslate();
        behavior3.setTransformGroup(tg);
        objTrans.addChild(behavior3);
        behavior3.setSchedulingBounds(bounds);

        KeyNavigatorBehavior keyNavBeh = new KeyNavigatorBehavior(tg);
        keyNavBeh.setSchedulingBounds(new BoundingSphere(new Point3d(), 1000.0));
        objTrans.addChild(keyNavBeh);

        behavior.setSchedulingBounds(bounds);
        objRoot.addChild(objTrans);
    } catch (Throwable t) {
        System.out.println("Error: " + t);
    }
    return objRoot;
}

From source file:FourByFour.java

/**
 * Create the scenegraph for the 3D view.
 *//* w w w .ja  v  a 2s .co  m*/
public BranchGroup createScene3D() {

    // Define colors
    Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f red = new Color3f(0.80f, 0.20f, 0.2f);
    Color3f ambient = new Color3f(0.25f, 0.25f, 0.25f);
    Color3f diffuse = new Color3f(0.7f, 0.7f, 0.7f);
    Color3f specular = new Color3f(0.9f, 0.9f, 0.9f);
    Color3f ambientRed = new Color3f(0.2f, 0.05f, 0.0f);
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);

    // Create the branch group
    BranchGroup branchGroup = new BranchGroup();

    // Create the bounding leaf node
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 1000.0);
    BoundingLeaf boundingLeaf = new BoundingLeaf(bounds);
    branchGroup.addChild(boundingLeaf);

    // Create the background
    Background bg = new Background(bgColor);
    bg.setApplicationBounds(bounds);
    branchGroup.addChild(bg);

    // Create the ambient light
    AmbientLight ambLight = new AmbientLight(white);
    ambLight.setInfluencingBounds(bounds);
    branchGroup.addChild(ambLight);

    // Create the directional light
    Vector3f dir = new Vector3f(-1.0f, -1.0f, -1.0f);
    DirectionalLight dirLight = new DirectionalLight(white, dir);
    dirLight.setInfluencingBounds(bounds);
    branchGroup.addChild(dirLight);

    // Create the pole appearance
    Material poleMaterial = new Material(ambient, black, diffuse, specular, 110.f);
    poleMaterial.setLightingEnable(true);
    Appearance poleAppearance = new Appearance();
    poleAppearance.setMaterial(poleMaterial);

    // Create the transform group node
    TransformGroup transformGroup = new TransformGroup();
    transformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    transformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    branchGroup.addChild(transformGroup);

    // Create the poles
    Poles poles = new Poles(poleAppearance);
    transformGroup.addChild(poles.getChild());

    // Add the position markers to the transform group
    transformGroup.addChild(positions.getChild());

    // Let the positions object know about the transform group
    positions.setTransformGroup(transformGroup);

    // Create the mouse pick and drag behavior node
    PickDragBehavior behavior = new PickDragBehavior(canvas2D, canvas3D, positions, branchGroup,
            transformGroup);
    behavior.setSchedulingBounds(bounds);
    transformGroup.addChild(behavior);

    return branchGroup;
}

From source file:InterpolatorTest.java

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

    // create a root TG in case we need to scale the scene
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

    // create the Appearance for the Shape3D
    Appearance app = new Appearance();

    // create a Material, modified by the ColorInterpolator
    Color3f objColor = new Color3f(1.0f, 0.7f, 0.8f);
    Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
    Material mat = new Material(objColor, black, objColor, black, 80.0f);
    mat.setCapability(Material.ALLOW_COMPONENT_WRITE);
    app.setMaterial(mat);//  w w w  .  j  a  va  2  s .  c  om

    // create a TransparencyAttributes, modified by the
    // TransparencyInterpolator
    TransparencyAttributes transparency = new TransparencyAttributes();
    transparency.setCapability(TransparencyAttributes.ALLOW_VALUE_WRITE);
    transparency.setTransparencyMode(TransparencyAttributes.NICEST);
    app.setTransparencyAttributes(transparency);

    // create a Switch Node and set capabilities
    Switch switchNode = new Switch();
    switchNode.setCapability(Switch.ALLOW_SWITCH_WRITE);

    // create a Alpha object for the Interpolators
    Alpha alpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 500, 100, 5000, 2000, 1000,
            5000, 2000, 500);

    // add each BG and Interpolator as a child of the Switch Node
    TransformGroup tg = createSharedGroup(app);
    switchNode.addChild(createBranchGroup(tg, new ColorInterpolator(alpha, app.getMaterial())));

    tg = createSharedGroup(app);
    switchNode.addChild(createBranchGroup(tg, new PositionInterpolator(alpha, tg)));

    tg = createSharedGroup(app);
    switchNode.addChild(createBranchGroup(tg, new RotationInterpolator(alpha, tg)));

    tg = createSharedGroup(app);
    switchNode.addChild(createBranchGroup(tg, new ScaleInterpolator(alpha, tg)));

    tg = createSharedGroup(app);
    switchNode.addChild(createBranchGroup(tg,
            new TransparencyInterpolator(alpha, app.getTransparencyAttributes(), 0, 0.8f)));

    // define the data for the RotPosScalePathInterpolator
    float[] knots = { 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.6f, 0.8f, 0.9f, 1.0f };
    float[] scales = { 0.2f, 0.5f, 0.8f, 2.3f, 5.4f, 0.6f, 0.4f, 0.2f, 0.1f };
    Quat4f[] quats = new Quat4f[9];
    Point3f[] positions = new Point3f[9];

    quats[0] = new Quat4f(0.3f, 1.0f, 1.0f, 0.0f);
    quats[1] = new Quat4f(1.0f, 0.0f, 0.0f, 0.3f);
    quats[2] = new Quat4f(0.2f, 1.0f, 0.0f, 0.0f);
    quats[3] = new Quat4f(0.0f, 0.2f, 1.0f, 0.0f);
    quats[4] = new Quat4f(1.0f, 0.0f, 0.4f, 0.0f);
    quats[5] = new Quat4f(0.0f, 1.0f, 1.0f, 0.2f);
    quats[6] = new Quat4f(0.3f, 0.3f, 0.0f, 0.0f);
    quats[7] = new Quat4f(1.0f, 0.0f, 1.0f, 1.0f);
    quats[8] = quats[0];

    positions[0] = new Point3f(0.0f, 0.0f, -1.0f);
    positions[1] = new Point3f(1.0f, -2.0f, -2.0f);
    positions[2] = new Point3f(-2.0f, 2.0f, -3.0f);
    positions[3] = new Point3f(1.0f, 1.0f, -4.0f);
    positions[4] = new Point3f(-4.0f, -2.0f, -5.0f);
    positions[5] = new Point3f(2.0f, 0.3f, -6.0f);
    positions[6] = new Point3f(-4.0f, 0.5f, -7.0f);
    positions[7] = new Point3f(0.0f, -1.5f, -4.0f);
    positions[8] = positions[0];

    tg = createSharedGroup(app);

    // create the Interpolator
    RotPosScalePathInterpolator rotPosScalePathInterplator = new RotPosScalePathInterpolator(alpha, tg,
            new Transform3D(), knots, quats, positions, scales);

    // add a BG for the Interpolator
    switchNode.addChild(createBranchGroup(tg, rotPosScalePathInterplator));

    // create a RandomAlpha object to control a SwitchInterpolator
    // to set the Switches active child node randomly
    RandomAlpha randomAlpha = new RandomAlpha();

    // create the interpolator
    SwitchValueInterpolator switchInterpolator = new SwitchValueInterpolator(randomAlpha, switchNode);
    switchInterpolator.setSchedulingBounds(getApplicationBounds());

    // connect the scenegraph
    objTrans.addChild(switchNode);
    objTrans.addChild(switchInterpolator);

    // 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(getApplicationBounds());
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(getApplicationBounds());

    // add the lights
    objRoot.addChild(aLgt);
    objRoot.addChild(lgt1);

    // connect
    objRoot.addChild(objTrans);

    return objRoot;
}