Example usage for javax.media.j3d AmbientLight setInfluencingBounds

Introduction

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

Prototype

public void setInfluencingBounds(Bounds region) 

Source Link

Document

Sets the Light's influencing region to the specified bounds.

Usage

From source file:TransformExplorer.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
    TransformGroup objScale = new TransformGroup();
    Transform3D scaleTrans = new Transform3D();
    scaleTrans.set(1 / 3.5f); // scale down by 3.5x
    objScale.setTransform(scaleTrans);/*from   ww  w . j av a 2s . c o m*/
    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(createConeTransformGroup()); // the cone
    rotAxis = new RotAxis(rotAxisLength); // the axis
    objTrans.addChild(rotAxis);
    coordSys = new CoordSys(coordSysLength); // the coordSys
    objTrans.addChild(coordSys);

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

    // The book used a white background for the figures
    //Background bg = new Background(new Color3f(1.0f, 1.0f, 1.0f));
    //bg.setApplicationBounds(bounds);
    //objTrans.addChild(bg);

    // 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;
}

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From source file:GearTest.java

BranchGroup createBranchEnvironment() {
    // Create the root of the branch graph
    BranchGroup branchRoot = 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
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.5f);
    Background bgNode = new Background(bgColor);
    bgNode.setApplicationBounds(bounds);
    branchRoot.addChild(bgNode);// w  w  w.j  a  v a2s.com

    // Set up the ambient light
    Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f);
    AmbientLight ambientLightNode = new AmbientLight(ambientColor);
    ambientLightNode.setInfluencingBounds(bounds);
    branchRoot.addChild(ambientLightNode);

    // Set up the directional lights
    Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f);
    Vector3f light1Direction = new Vector3f(1.0f, 1.0f, 1.0f);
    Color3f light2Color = new Color3f(1.0f, 1.0f, 0.9f);
    Vector3f light2Direction = new Vector3f(-1.0f, -1.0f, -1.0f);

    DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction);
    light1.setInfluencingBounds(bounds);
    branchRoot.addChild(light1);

    DirectionalLight light2 = new DirectionalLight(light2Color, light2Direction);
    light2.setInfluencingBounds(bounds);
    branchRoot.addChild(light2);

    return branchRoot;
}

---

From source file:GearTest.java

public BranchGroup createSceneGraph(int toothCount) {
    // 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 ww  w. ja va 2s  .  c  o  m
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

    // 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
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);
    Background bgNode = new Background(bgColor);
    bgNode.setApplicationBounds(bounds);
    objScale.addChild(bgNode);

    // Set up the global lights
    Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f);
    Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f);
    Color3f light2Color = new Color3f(0.3f, 0.3f, 0.4f);
    Vector3f light2Direction = new Vector3f(-6.0f, -2.0f, -1.0f);
    Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f);

    AmbientLight ambientLightNode = new AmbientLight(ambientColor);
    ambientLightNode.setInfluencingBounds(bounds);
    objScale.addChild(ambientLightNode);

    DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction);
    light1.setInfluencingBounds(bounds);
    objScale.addChild(light1);

    DirectionalLight light2 = new DirectionalLight(light2Color, light2Direction);
    light2.setInfluencingBounds(bounds);
    objScale.addChild(light2);

    // 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);
    objScale.addChild(objTrans);

    // Create an Appearance.
    Appearance look = new Appearance();
    Color3f objColor = new Color3f(0.5f, 0.5f, 0.6f);
    Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
    look.setMaterial(new Material(objColor, black, objColor, white, 100.0f));

    // Create a gear, add it to the scene graph.
    //   SpurGear gear = new SpurGear(toothCount, 1.0f, 0.2f,
    SpurGear gear = new SpurGearThinBody(toothCount, 1.0f, 0.2f, 0.05f, 0.05f, 0.3f, 0.28f, look);
    objTrans.addChild(gear);

    // Create a new Behavior object that will rotate the object and
    // add it into the scene graph.
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 8000, 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);

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

    return objRoot;
}

---

From source file:AppearanceTest.java

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

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

    // attach a navigation behavior to the position of the viewer
    KeyNavigatorBehavior key = new KeyNavigatorBehavior(zoomTg);
    key.setSchedulingBounds(createApplicationBounds());
    key.setEnable(true);/*from w w  w  . jav  a 2s.c o  m*/
    objRoot.addChild(key);

    // create a TransformGroup to flip the hand onto its end and enlarge it.
    TransformGroup objTrans1 = new TransformGroup();
    Transform3D tr = new Transform3D();
    objTrans1.getTransform(tr);
    tr.setEuler(new Vector3d(0.5 * Math.PI, 0.6, 0));
    objTrans1.setTransform(tr);

    // 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());

    objRoot.addChild(aLgt);
    objRoot.addChild(lgt1);

    int nScale = 50;

    Box box = new Box(nScale, nScale, nScale, Primitive.GENERATE_NORMALS | Primitive.GENERATE_TEXTURE_COORDS,
            m_Appearance);

    Shape3D frontFace = box.getShape(Box.LEFT);

    // create a new left face so we can
    // assign per-vertex colors

    GeometryArray geometry = new QuadArray(4, GeometryArray.COORDINATES | GeometryArray.NORMALS
            | GeometryArray.COLOR_4 | GeometryArray.TEXTURE_COORDINATE_2);

    nScale = 40;

    final float[] verts = {
            // left face
            -1.0f * nScale, -1.0f * nScale, 1.0f * nScale, -1.0f * nScale, 1.0f * nScale, 1.0f * nScale,
            -1.0f * nScale, 1.0f * nScale, -1.0f * nScale, -1.0f * nScale, -1.0f * nScale, -1.0f * nScale };

    final float[] colors = {
            // left face
            1, 0, 0, 0, 0, 1, 0, 0.2f, 0, 0, 1, 0.8f, 0, 0, 0, 1, };

    float[] tcoords = {
            // left
            1, 0, 1, 1, 0, 1, 0, 0 };

    Vector3f normalVector = new Vector3f(-1.0f, 0.0f, 0.0f);

    geometry.setColors(0, colors, 0, 4);

    for (int n = 0; n < 4; n++)
        geometry.setNormal(n, normalVector);

    geometry.setTextureCoordinates(0, tcoords, 0, 4);

    geometry.setCoordinates(0, verts);

    frontFace.setGeometry(geometry);

    // connect the scenegraph
    objTrans1.addChild(box);
    zoomTg.addChild(objTrans1);
    objRoot.addChild(zoomTg);

    return objRoot;
}

---

From source file:ExLightScope.java

public Group buildScene() {
    // Turn off the example headlight
    setHeadlightEnable(false);/*from  w  ww.  j  a  v a  2 s  .  com*/

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

    // Build foreground geometry into two groups. We'll
    // create three directional lights below, one each with
    // scope to cover the first geometry group only, the
    // second geometry group only, or both geometry groups.
    content1 = new SphereGroup(0.25f, // radius of spheres
            1.5f, // x spacing
            0.75f, // y spacing
            3, // number of spheres in X
            5, // number of spheres in Y
            null); // appearance
    scene.addChild(content1);

    content2 = new SphereGroup(0.25f, // radius of spheres
            1.5f, // x spacing
            0.75f, // y spacing
            2, // number of spheres in X
            5, // number of spheres in Y
            null); // appearance
    scene.addChild(content2);

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

    // Add three directional lights whose scopes are set
    // to cover one, the other, or both of the shape groups
    // above. Also set the lights' color and aim direction.

    // Light #1 with content1 scope
    light1 = new DirectionalLight();
    light1.setEnable(light1OnOff);
    light1.setColor(Red);
    light1.setDirection(new Vector3f(1.0f, 0.0f, -1.0f));
    light1.setInfluencingBounds(worldBounds);
    light1.addScope(content1);
    light1.setCapability(Light.ALLOW_STATE_WRITE);
    scene.addChild(light1);

    // Light #2 with content2 scope
    light2 = new DirectionalLight();
    light2.setEnable(light2OnOff);
    light2.setColor(Blue);
    light2.setDirection(new Vector3f(1.0f, 0.0f, -1.0f));
    light2.setInfluencingBounds(worldBounds);
    light2.addScope(content2);
    light2.setCapability(Light.ALLOW_STATE_WRITE);
    scene.addChild(light2);

    // Light #3 with universal scope (the default)
    light3 = new DirectionalLight();
    light3.setEnable(light3OnOff);
    light3.setColor(White);
    light3.setDirection(new Vector3f(1.0f, 0.0f, -1.0f));
    light3.setInfluencingBounds(worldBounds);
    light3.setCapability(Light.ALLOW_STATE_WRITE);
    scene.addChild(light3);

    // Add an ambient light to dimly illuminate the rest of
    // the shapes in the scene to help illustrate that the
    // directional lights are being scoped... 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

    return scene;
}

---

From source file:ExAppearance.java

public Group buildScene() {
    // Turn off the example headlight
    setHeadlightEnable(false);/*from w  w  w .j a  v  a 2 s .c  o m*/

    // 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   w ww .jav a  2 s . co  m*/

    // 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:Morphing.java

private 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.j  ava 2  s  . c  o  m
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

    // 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
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);
    Background bg = new Background(bgColor);
    bg.setApplicationBounds(bounds);
    objScale.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);
    objScale.addChild(aLgt);
    objScale.addChild(lgt1);

    //
    // Create the transform group nodes for the 3 original objects
    // and the morphed object. Add them to the root of the
    // branch graph.
    //
    TransformGroup objTrans[] = new TransformGroup[4];

    for (int i = 0; i < 4; i++) {
        objTrans[i] = new TransformGroup();
        objScale.addChild(objTrans[i]);
    }

    Transform3D tr = new Transform3D();
    Transform3D rotX90 = new Transform3D();
    rotX90.rotX(90.0 * Math.PI / 180.0);

    objTrans[0].getTransform(tr);
    tr.setTranslation(new Vector3d(-2.0, 1.5, -2.0));
    tr.mul(rotX90);
    objTrans[0].setTransform(tr);

    objTrans[1].getTransform(tr);
    tr.setTranslation(new Vector3d(0.0, 1.5, -2.0));
    tr.mul(rotX90);
    objTrans[1].setTransform(tr);

    objTrans[2].getTransform(tr);
    tr.setTranslation(new Vector3d(2.0, 1.5, -2.0));
    tr.mul(rotX90);
    objTrans[2].setTransform(tr);

    objTrans[3].getTransform(tr);
    tr.setTranslation(new Vector3d(0.0, -2.0, -2.0));
    tr.mul(rotX90);
    objTrans[3].setTransform(tr);

    // Now load the object files
    Scene s[] = new Scene[3];
    GeometryArray g[] = new GeometryArray[3];
    Shape3D shape[] = new Shape3D[3];
    ObjectFile loader = new ObjectFile(ObjectFile.RESIZE);
    for (int i = 0; i < 3; i++) {
        s[i] = null;
        g[i] = null;
        shape[i] = null;
    }

    for (int i = 0; i < 3; i++) {
        try {
            s[i] = loader.load(objFiles[i]);
        } catch (FileNotFoundException e) {
            System.err.println(e);
            System.exit(1);
        } catch (ParsingErrorException e) {
            System.err.println(e);
            System.exit(1);
        } catch (IncorrectFormatException e) {
            System.err.println(e);
            System.exit(1);
        }

        BranchGroup b = s[i].getSceneGroup();
        shape[i] = (Shape3D) b.getChild(0);
        g[i] = (GeometryArray) shape[i].getGeometry();

        shape[i].setGeometry(g[i]);
        objTrans[i].addChild(b);
    }

    //
    // Create a Morph node, and set the appearance and input geometry
    // arrays. Set the Morph node's capability bits to allow the weights
    // to be modified at runtime.
    //
    Appearance app = new Appearance();
    Color3f objColor = new Color3f(1.0f, 0.7f, 0.8f);
    Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
    app.setMaterial(new Material(objColor, black, objColor, black, 80.0f));
    Morph morph = new Morph(g, app);
    morph.setCapability(Morph.ALLOW_WEIGHTS_READ);
    morph.setCapability(Morph.ALLOW_WEIGHTS_WRITE);

    objTrans[3].addChild(morph);

    // Now create the Alpha object that controls the speed of the
    // morphing operation.
    Alpha morphAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 0, 0, 2000, 1000, 200,
            2000, 1000, 200);

    // Finally, create the morphing behavior
    MorphingBehavior mBeh = new MorphingBehavior(morphAlpha, morph);
    mBeh.setSchedulingBounds(bounds);
    objScale.addChild(mBeh);

    return objRoot;
}

---

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);/*from www.j  a  va2 s  .c o  m*/

    lightSwitch = new Switch();
    lightSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
    group.addChild(lightSwitch);

    // 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;
}

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From source file:ExBackgroundImage.java

public TowerScene(Component observer) {
    BoundingSphere worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center
            1000.0); // Extent

    // Add a few lights
    AmbientLight ambient = new AmbientLight();
    ambient.setEnable(true);/*w ww. j a  v a 2  s .c o m*/
    ambient.setColor(new Color3f(0.2f, 0.2f, 0.2f));
    ambient.setInfluencingBounds(worldBounds);
    addChild(ambient);

    DirectionalLight dir1 = new DirectionalLight();
    dir1.setEnable(true);
    dir1.setColor(new Color3f(1.0f, 0.15f, 0.15f));
    dir1.setDirection(new Vector3f(0.8f, -0.35f, -0.5f));
    dir1.setInfluencingBounds(worldBounds);
    addChild(dir1);

    DirectionalLight dir2 = new DirectionalLight();
    dir2.setEnable(true);
    dir2.setColor(new Color3f(0.15f, 0.15f, 1.0f));
    dir2.setDirection(new Vector3f(-0.7f, -0.35f, 0.5f));
    dir2.setInfluencingBounds(worldBounds);
    addChild(dir2);

    // Load textures
    TextureLoader texLoader = new TextureLoader("moon5.jpg", observer);
    Texture moon = texLoader.getTexture();
    if (moon == null)
        System.err.println("Cannot load moon5.jpg texture");
    else {
        moon.setBoundaryModeS(Texture.WRAP);
        moon.setBoundaryModeT(Texture.WRAP);
        moon.setMinFilter(Texture.NICEST);
        moon.setMagFilter(Texture.NICEST);
        moon.setMipMapMode(Texture.BASE_LEVEL);
        moon.setEnable(true);
    }

    texLoader = new TextureLoader("stonebrk2.jpg", observer);
    Texture stone = texLoader.getTexture();
    if (stone == null)
        System.err.println("Cannot load stonebrk2.jpg texture");
    else {
        stone.setBoundaryModeS(Texture.WRAP);
        stone.setBoundaryModeT(Texture.WRAP);
        stone.setMinFilter(Texture.NICEST);
        stone.setMagFilter(Texture.NICEST);
        stone.setMipMapMode(Texture.BASE_LEVEL);
        stone.setEnable(true);
    }

    //
    //  Build a rough terrain
    //
    Appearance moonApp = new Appearance();

    Material moonMat = new Material();
    moonMat.setAmbientColor(0.5f, 0.5f, 0.5f);
    moonMat.setDiffuseColor(1.0f, 1.0f, 1.0f);
    moonMat.setSpecularColor(0.0f, 0.0f, 0.0f);
    moonApp.setMaterial(moonMat);

    TextureAttributes moonTexAtt = new TextureAttributes();
    moonTexAtt.setTextureMode(TextureAttributes.MODULATE);
    moonTexAtt.setPerspectiveCorrectionMode(TextureAttributes.NICEST);
    moonApp.setTextureAttributes(moonTexAtt);

    if (moon != null)
        moonApp.setTexture(moon);

    CraterGrid grid = new CraterGrid(50, 50, // grid dimensions
            1.0, 1.0, // grid spacing
            4.0, // height exageration factor
            craters, // grid elevations
            moonApp); // grid appearance
    addChild(grid);

    //
    // Build several towers on the terrain
    //
    SharedGroup tower = new SharedGroup();
    Appearance towerApp = new Appearance();

    Material towerMat = new Material();
    towerMat.setAmbientColor(0.6f, 0.6f, 0.6f);
    towerMat.setDiffuseColor(1.0f, 1.0f, 1.0f);
    towerMat.setSpecularColor(0.0f, 0.0f, 0.0f);
    towerApp.setMaterial(towerMat);

    Transform3D tr = new Transform3D();
    tr.setScale(new Vector3d(4.0, 4.0, 1.0));

    TextureAttributes towerTexAtt = new TextureAttributes();
    towerTexAtt.setTextureMode(TextureAttributes.MODULATE);
    towerTexAtt.setPerspectiveCorrectionMode(TextureAttributes.NICEST);
    towerTexAtt.setTextureTransform(tr);
    towerApp.setTextureAttributes(towerTexAtt);

    if (stone != null)
        towerApp.setTexture(stone);

    Arch towerShape = new Arch(0.0, // start Phi
            1.571, // end Phi
            2, // nPhi
            0.0, // start Theta
            Math.PI * 2.0, // end Theta
            5, // nTheta
            3.0, // start radius
            8.0, // end radius
            0.0, // start phi thickness
            0.0, // end phi thickness
            towerApp); // appearance
    tower.addChild(towerShape);

    // Place towers
    Matrix3f rot = new Matrix3f();
    rot.setIdentity();

    TransformGroup tg = new TransformGroup(new Transform3D(rot, new Vector3d(2.0, -3.0, -8.0), 1.0));
    tg.addChild(new Link(tower));
    addChild(tg);

    tg = new TransformGroup(new Transform3D(rot, new Vector3d(-1.0, -3.0, -6.0), 0.5));
    tg.addChild(new Link(tower));
    addChild(tg);

    tg = new TransformGroup(new Transform3D(rot, new Vector3d(5.0, -3.0, -6.0), 0.75));
    tg.addChild(new Link(tower));
    addChild(tg);

    tg = new TransformGroup(new Transform3D(rot, new Vector3d(1.0, -3.0, -3.0), 0.35));
    tg.addChild(new Link(tower));
    addChild(tg);
}

---

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