Example usage for javax.media.j3d Group addChild

List of usage examples for javax.media.j3d Group addChild

Introduction

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

public Group buildScene() {
    // Turn off the example headlight
    setHeadlightEnable(false);//from  www. j  a v  a2  s .  c om

    // Build the scene group
    Group objRoot = new Group();

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

    AmbientLight aLgt = new AmbientLight(alColor);
    aLgt.setInfluencingBounds(bounds);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(bounds);
    objRoot.addChild(aLgt);
    objRoot.addChild(lgt1);

    // Add a background
    Background background = new Background();
    background.setColor(new Color3f(0.0f, 0.5f, 1.0f));
    background.setApplicationBounds(bounds);
    objRoot.addChild(background);

    // 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) * 1.9;
        for (int j = 0; j < 3; j++) {
            double xpos = (double) (j - 1) * 2.1;
            objRoot.addChild(createObject(app[i][j], 1.0, xpos, ypos));
        }
    }

    return objRoot;
}

From source file:ExLightBounds.java

public Group buildScene() {
    // Get the current bounding leaf position
    Point3f pos = (Point3f) positions[currentPosition].value;

    // Turn off the example headlight
    setHeadlightEnable(false);/*from ww  w . ja va2 s .com*/

    // Build the scene group
    Group scene = new Group();

    // BEGIN EXAMPLE TOPIC
    // Create a bounding leaf we'll use or not use depending
    // upon menu selections. Put it within a transform group
    // so that we can move the leaf about.
    leafTransformGroup = new TransformGroup();
    leafTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    Transform3D tr = new Transform3D();
    tr.setTranslation(new Vector3f(pos));
    leafTransformGroup.setTransform(tr);

    leafBounds = new BoundingLeaf(worldBounds);
    leafBounds.setCapability(BoundingLeaf.ALLOW_REGION_WRITE);
    leafTransformGroup.addChild(leafBounds);
    scene.addChild(leafTransformGroup);

    // Add a directional light whose bounds we'll modify
    // Set its color and aim direction
    light = new DirectionalLight();
    light.setEnable(true);
    light.setColor(White);
    light.setDirection(new Vector3f(1.0f, 0.0f, -1.0f));
    light.setCapability(DirectionalLight.ALLOW_INFLUENCING_BOUNDS_WRITE);

    // Set the bounds to be either from the leaf or from
    // explicit bounds, depending upon the menu initial state
    if (boundingLeafOnOff)
        // Use bounding leaf
        light.setInfluencingBoundingLeaf(leafBounds);
    else
        // Use bounds on the light
        light.setInfluencingBounds(worldBounds);

    // Set the scope list to include nothing initially.
    // This defaults to "universal scope" which covers
    // everything.

    scene.addChild(light);

    // Add an ambient light to dimly illuminate the rest of
    // the shapes in the scene to help illustrate that the
    // directional light is being bounded... otherwise it looks
    // like we're just removing shapes from the scene
    AmbientLight ambient = new AmbientLight();
    ambient.setEnable(true);
    ambient.setColor(White);
    ambient.setInfluencingBounds(worldBounds);
    scene.addChild(ambient);
    // END EXAMPLE TOPIC

    // Build foreground geometry
    scene.addChild(new SphereGroup());

    return scene;
}

From source file:ExHenge.java

public Group buildRing(SharedGroup sg) {
    Group g = new Group();

    g.addChild(new Link(sg)); // 0 degrees

    TransformGroup tg = new TransformGroup();
    Transform3D tr = new Transform3D();
    tr.rotY(0.785); // 45 degrees
    tg.setTransform(tr);/*from w ww  .j  a va  2s .c o m*/
    tg.addChild(new Link(sg));
    g.addChild(tg);

    tg = new TransformGroup();
    tr = new Transform3D();
    tr.rotY(-0.785); // -45 degrees
    tg.setTransform(tr);
    tg.addChild(new Link(sg));
    g.addChild(tg);

    tg = new TransformGroup();
    tr = new Transform3D();
    tr.rotY(1.571); // 90 degrees
    tg.setTransform(tr);
    tg.addChild(new Link(sg));
    g.addChild(tg);

    tg = new TransformGroup();
    tr = new Transform3D();
    tr.rotY(-1.571); // -90 degrees
    tg.setTransform(tr);
    tg.addChild(new Link(sg));
    g.addChild(tg);

    tg = new TransformGroup();
    tr = new Transform3D();
    tr.rotY(2.356); // 135 degrees
    tg.setTransform(tr);
    tg.addChild(new Link(sg));
    g.addChild(tg);

    tg = new TransformGroup();
    tr = new Transform3D();
    tr.rotY(-2.356); // -135 degrees
    tg.setTransform(tr);
    tg.addChild(new Link(sg));
    g.addChild(tg);

    tg = new TransformGroup();
    tr = new Transform3D();
    tr.rotY(Math.PI); // 180 degrees
    tg.setTransform(tr);
    tg.addChild(new Link(sg));
    g.addChild(tg);

    return g;
}

From source file:ExDepthCue.java

public Group buildScene() {
    // Get the current color
    Color3f color = (Color3f) colors[currentColor].value;

    // Turn off the example headlight
    setHeadlightEnable(false);//from   w ww . j a  va  2  s .  c om

    // Create the scene group
    Group scene = new Group();

    // Create a switch group to hold the fog node. This enables
    // us to turn the fog node on and off via the GUI.
    fogSwitch = new Switch();
    fogSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);

    // Create influencing bounds
    Bounds worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center
            1000.0); // Extent

    // Set the fog color, density, and its influencing bounds
    fog = new LinearFog();
    fog.setColor(color);
    // front and back distances set below
    fog.setCapability(Fog.ALLOW_COLOR_WRITE);
    fog.setCapability(Fog.ALLOW_INFLUENCING_BOUNDS_WRITE);
    fog.setInfluencingBounds(worldBounds);
    fogSwitch.addChild(fog);
    scene.addChild(fogSwitch);
    if (depthCueOnOff)
        fogSwitch.setWhichChild(0); // on
    else
        fogSwitch.setWhichChild(Switch.CHILD_NONE); // off

    // Set the background color and its application bounds
    //   Usually, the background color should match the fog color
    //   or the results look odd.
    background = new Background();
    background.setColor(color);
    background.setApplicationBounds(worldBounds);
    background.setCapability(Background.ALLOW_COLOR_WRITE);
    scene.addChild(background);

    // Build foreground geometry
    Group content = buildIsoline();
    scene.addChild(content);

    // Automatically compute good front and back distances for
    // fog to get good depth-cueing. To do this, first get the
    // dimensions of the bounds around the content. Then,
    // set the front distance to be at the center of the content
    // (or closer by a tad) and the back distance at the front
    // distance PLUS half the depth of the content's bounding box
    BoundingSphere sampleSphere = new BoundingSphere();
    BoundingBox sampleBox = new BoundingBox();
    Bounds bounds = content.getBounds();
    double deltaDistance = 0.0;
    double centerZ = 0.0;

    if (bounds == null) {
        // No bounds available. Estimate the values knowing
        // that the above content is what it is.
        centerZ = 0.5; // 0.5 closer than true center
        deltaDistance = 2.0;
    } else if (bounds.getClass() == sampleSphere.getClass()) {
        BoundingSphere sphereBounds = (BoundingSphere) bounds;
        deltaDistance = Math.abs(sphereBounds.getRadius());
        Point3d center = new Point3d();
        sphereBounds.getCenter(center);
        centerZ = center.z + 0.5; // 0.5 closer than true center
    } else if (bounds.getClass() == sampleBox.getClass()) {
        BoundingBox boxBounds = (BoundingBox) bounds;
        Point3d p1 = new Point3d();
        Point3d p2 = new Point3d();
        boxBounds.getLower(p1);
        boxBounds.getUpper(p2);
        deltaDistance = p2.z - p1.z;
        if (deltaDistance < 0.0)
            deltaDistance *= -1.0;
        if (p1.z > p2.z)
            centerZ = p1.z - deltaDistance / 2.0;
        else
            centerZ = p2.z - deltaDistance / 2.0;
        centerZ += 0.5; // 0.5 closer than true center
    } else {
        System.err.println("Unknown bounds type");
    }

    // Set front distance to the distance from the default
    // viewing position (0,0,10) to the center of the bounds.
    fog.setFrontDistance(10.0f - (float) centerZ);

    // Set back distance to the distance from the default
    // viewing position (0,0,10) to the back of the bounds.
    fog.setBackDistance(10.0f - (float) centerZ + (float) deltaDistance);

    return scene;
}

From source file:AppearanceExplorer.java

Group setupLights() {

    Group group = new Group();

    // set up the BoundingSphere for all the lights
    BoundingSphere bounds = new BoundingSphere(new Point3d(), 100.0);

    // Set up the ambient light
    AmbientLight lightAmbient = new AmbientLight(medGrey);
    lightAmbient.setInfluencingBounds(bounds);
    lightAmbient.setCapability(Light.ALLOW_STATE_WRITE);
    group.addChild(lightAmbient);

    lightSwitch = new Switch();
    lightSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
    group.addChild(lightSwitch);// w  w w. j  av a2 s .  c om

    // Set up the directional light
    Vector3f lightDirection1 = new Vector3f(0.0f, 0.0f, -1.0f);
    DirectionalLight lightDirectional1 = new DirectionalLight(white, lightDirection1);
    lightDirectional1.setInfluencingBounds(bounds);
    lightDirectional1.setCapability(Light.ALLOW_STATE_WRITE);
    lightSwitch.addChild(lightDirectional1);

    Point3f lightPos1 = new Point3f(-4.0f, 8.0f, 16.0f);
    Point3f lightAttenuation1 = new Point3f(1.0f, 0.0f, 0.0f);
    PointLight pointLight1 = new PointLight(brightWhite, lightPos1, lightAttenuation1);
    pointLight1.setInfluencingBounds(bounds);
    lightSwitch.addChild(pointLight1);

    Point3f lightPos2 = new Point3f(-16.0f, 8.0f, 4.0f);
    //Point3f lightPos = new Point3f(-4.0f, 2.0f, 1.0f);
    Point3f lightAttenuation2 = new Point3f(1.0f, 0.0f, 0.0f);
    PointLight pointLight2 = new PointLight(white, lightPos2, lightAttenuation2);
    pointLight2.setInfluencingBounds(bounds);
    lightSwitch.addChild(pointLight2);

    return group;
}

From source file:ExBackgroundColor.java

public Group buildScene() {
    // Get the current color
    Color3f color = (Color3f) colors[currentColor].value;

    // Turn off the example headlight
    setHeadlightEnable(false);/*from  w ww  . jav a2  s  .c om*/

    // Default to walk navigation
    setNavigationType(Walk);

    // Create the scene group
    Group scene = new Group();

    // BEGIN EXAMPLE TOPIC
    // Create application bounds
    BoundingSphere worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center
            1000.0); // Extent

    // Set the background color and its application bounds
    background = new Background();
    background.setColor(color);
    background.setCapability(Background.ALLOW_COLOR_WRITE);
    background.setApplicationBounds(worldBounds);
    scene.addChild(background);
    // END EXAMPLE TOPIC

    // Build foreground geometry
    scene.addChild(new TowerScene(this));

    return scene;
}

From source file:ExDirectionalLight.java

public Group buildScene() {
    // Get the current color and direction
    Color3f color = (Color3f) colors[currentColor].value;
    Vector3f dir = (Vector3f) directions[currentDirection].value;

    // Turn off the example headlight
    setHeadlightEnable(false);//from www.  j  ava 2  s . com

    // Build the scene group
    Group scene = new Group();

    // BEGIN EXAMPLE TOPIC
    // Create influencing bounds
    BoundingSphere worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center
            1000.0); // Extent

    // Set the light color and its influencing bounds
    light = new DirectionalLight();
    light.setEnable(lightOnOff);
    light.setColor(color);
    light.setDirection(dir);
    light.setCapability(DirectionalLight.ALLOW_STATE_WRITE);
    light.setCapability(DirectionalLight.ALLOW_COLOR_WRITE);
    light.setCapability(DirectionalLight.ALLOW_DIRECTION_WRITE);
    light.setInfluencingBounds(worldBounds);
    scene.addChild(light);
    // END EXAMPLE TOPIC

    // Build foreground geometry
    scene.addChild(new SphereGroup());

    // Add anotation arrows pointing in +-X, +-Y, +-Z to
    // illustrate aim direction
    scene.addChild(buildArrows());

    return scene;
}

From source file:ExBackgroundImage.java

public Group buildScene() {
    // Get the current image
    ImageComponent2D image = imageComponents[currentImage];

    // Turn off the example headlight
    setHeadlightEnable(false);//from   ww w  .  j  a  v a 2  s  .c  o m

    // Default to walk navigation
    setNavigationType(Walk);

    // Build the scene root
    Group scene = new Group();

    // BEGIN EXAMPLE TOPIC
    // Create application bounds
    BoundingSphere worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center
            1000.0); // Extent

    // Set the background color and its application bounds
    background = new Background();
    background.setImage(image);
    background.setCapability(Background.ALLOW_IMAGE_WRITE);
    background.setApplicationBounds(worldBounds);
    scene.addChild(background);
    // END EXAMPLE TOPIC

    // Build foreground geometry
    scene.addChild(new TowerScene(this));

    return scene;
}

From source file:SplineInterpolatorTest.java

public Group createHelicopter(Group g) {
    BranchGroup bg = new BranchGroup();

    Helicopter heli = new Helicopter(this, bg, ComplexObject.GEOMETRY | ComplexObject.SOUND);

    heli.createObject(new Appearance(), new Vector3d(Utils.getRandomNumber(0, LAND_WIDTH),
            Utils.getRandomNumber(15, 5), Utils.getRandomNumber(0, LAND_LENGTH)), new Vector3d(10, 10, 10),
            null, "heli.wav", null);

    g.addChild(bg);

    return bg;/*from   ww w.  j av a  2 s.  c o  m*/
}

From source file:ExPointLight.java

public Group buildScene() {
    // Get the current color, position, and attenuation
    Color3f color = (Color3f) colors[currentColor].value;
    Point3f pos = (Point3f) positions[currentPosition].value;
    Point3f atten = (Point3f) attenuations[currentAttenuation].value;

    // Turn off the example headlight
    setHeadlightEnable(false);/*w  ww  .ja  v  a  2s .c  o m*/

    // Build the scene root
    Group scene = new Group();

    // BEGIN EXAMPLE TOPIC
    // Create influencing bounds
    BoundingSphere worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center
            1000.0); // Extent

    // Set the light color and its influencing bounds
    light = new PointLight();
    light.setEnable(lightOnOff);
    light.setColor(color);
    light.setPosition(pos);
    light.setAttenuation(atten);
    light.setCapability(PointLight.ALLOW_STATE_WRITE);
    light.setCapability(PointLight.ALLOW_COLOR_WRITE);
    light.setCapability(PointLight.ALLOW_POSITION_WRITE);
    light.setCapability(PointLight.ALLOW_ATTENUATION_WRITE);
    light.setInfluencingBounds(worldBounds);
    scene.addChild(light);
    // END EXAMPLE TOPIC

    // Build foreground geometry
    scene.addChild(new SphereGroup());

    // Add arrows in a fan to show light ray directions
    scene.addChild(buildArrows());

    return scene;
}