Java Sphere.GENERATE_NORMALS_INWARD属性代码示例

void rebuildAuxillarySwitch()
{
auxillarySwitch = new Switch(Switch.CHILD_MASK);
auxillarySwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
auxillarySwitch.setCapability(Switch.ALLOW_CHILDREN_READ);
auxillarySwitch.setCapability(Switch.ALLOW_CHILDREN_EXTEND);
auxillarySwitch.setChildMask(auxillarySwitchMask);

// Add Axes to position 0 of switch
AxesPortrayal3D x = new AxesPortrayal3D(0.01f, true);
x.setCurrentDisplay(this);
auxillarySwitch.insertChild(x.getModel(null, null), AXES_AUX_INDEX);
        

// Add Backdrop Sphere to position 1 of switch
if (backdropAppearance != null || backdropColor != null || backdropImage !=null)  // make a backdrop!
    {
    Background background = new Background();
    background.setApplicationBounds(new BoundingSphere(
            new Point3d(0,0,0), Double.MAX_VALUE));
    
    if (backdropAppearance!=null)
        {
        BranchGroup backgroundBG = new BranchGroup();
        Sphere sphere = new Sphere(1.0f, 
            Sphere.GENERATE_TEXTURE_COORDS | 
            Sphere.GENERATE_NORMALS | 
            Sphere.GENERATE_NORMALS_INWARD, 45, backdropAppearance);
        // sphere lies along y axis.  Move it to Z axis
        Transform3D strans = new Transform3D();
        strans.rotX(-Math.PI/2);
        TransformGroup tg = new TransformGroup(strans);
        tg.addChild(sphere);
        
        // We want to auto-spin the spherical background with our autospinner.
        // unfortunately it only spins elements in the scene.  Our trick
        // here is to put the sphere in a transform group and spin that
        // transform group when we spin the rest of the scene.  Ick.  But
        // it works!
        autoSpinBackgroundTransformGroup.addChild(tg);

        backgroundBG.addChild(autoSpinBackgroundTransformGroup);
        background.setGeometry(backgroundBG);
        }
    else if (backdropColor!=null) 
        background.setColor(new Color3f(backdropColor));
    else // flat background image
        { // ensure it's a buffered image
        BufferedImage img = getGraphicsConfiguration().createCompatibleImage(
            backdropImage.getWidth(null),
            backdropImage.getHeight(null));
        Graphics g = img.getGraphics();
        g.drawImage(backdropImage,0,0,null);
        background.setImage(new ImageComponent2D(ImageComponent2D.FORMAT_RGB,img));
        background.setImageScaleMode(Background.SCALE_FIT_MAX);
        img.flush();  // just in case -- bug in OS X
        }
                                
    auxillarySwitch.addChild(background);
    }
else auxillarySwitch.addChild(new Group());  // empty
                          
// Add Floor to position 2 of switch
//        auxillarySwitch.addChild(new Group());  // empty stub
//        auxillarySwitch.setChildMask(auxillarySwitchMask);


bogusMover = new PointArray(1, PointArray.COORDINATES);
bogusMover.setCapability(GeometryArray.ALLOW_COORDINATE_WRITE);
moveBogusMover();
          
auxillarySwitch.addChild(new Shape3D(bogusMover)); 
}
 

private void createEnvironment() {
    BranchGroup group = new BranchGroup();
    // Sky
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 1000.0);
    Background bg = new Background();
    bg.setApplicationBounds(bounds);
    BranchGroup backGeoBranch = new BranchGroup();
    Sphere skySphere = new Sphere(1.0f,
            Sphere.GENERATE_NORMALS | Sphere.GENERATE_NORMALS_INWARD | Sphere.GENERATE_TEXTURE_COORDS, 32);
    //        Sphere.GENERATE_NORMALS | Sphere.GENERATE_NORMALS_INWARD | Sphere.GENERATE_TEXTURE_COORDS, 32);
    Texture texSky = new TextureLoader("environment/sky.jpg", null).getTexture();
    skySphere.getAppearance().setTexture(texSky);
    Transform3D transformSky = new Transform3D();
    //transformSky.setTranslation(new Vector3d(0.0, 0.0, -0.5));
    Matrix3d rot = new Matrix3d();
    rot.rotX(Math.PI / 2);
    transformSky.setRotation(rot);
    TransformGroup tgSky = new TransformGroup(transformSky);
    tgSky.addChild(skySphere);
    backGeoBranch.addChild(tgSky);
    bg.setGeometry(backGeoBranch);
    group.addChild(bg);
    //group.addChild(tgSky);
    // Ground
    QuadArray polygon1 = new QuadArray(4, QuadArray.COORDINATES | GeometryArray.TEXTURE_COORDINATE_2);
    polygon1.setCoordinate(0, new Point3f(-1000f, 1000f, 0f));
    polygon1.setCoordinate(1, new Point3f(1000f, 1000f, 0f));
    polygon1.setCoordinate(2, new Point3f(1000f, -1000f, 0f));
    polygon1.setCoordinate(3, new Point3f(-1000f, -1000f, 0f));
    polygon1.setTextureCoordinate(0, 0, new TexCoord2f(0.0f, 0.0f));
    polygon1.setTextureCoordinate(0, 1, new TexCoord2f(10.0f, 0.0f));
    polygon1.setTextureCoordinate(0, 2, new TexCoord2f(10.0f, 10.0f));
    polygon1.setTextureCoordinate(0, 3, new TexCoord2f(0.0f, 10.0f));
    Texture texGround = new TextureLoader("environment/grass2.jpg", null).getTexture();
    Appearance apGround = new Appearance();
    apGround.setTexture(texGround);
    Shape3D ground = new Shape3D(polygon1, apGround);
    Transform3D transformGround = new Transform3D();
    transformGround.setTranslation(
            new Vector3d(0.0, 0.0, 0.005 + world.getEnvironment().getGroundLevel(new Vector3d(0.0, 0.0, 0.0))));
    TransformGroup tgGround = new TransformGroup(transformGround);
    tgGround.addChild(ground);
    group.addChild(tgGround);

    // Light
    DirectionalLight light1 = new DirectionalLight(white, new Vector3f(4.0f, 7.0f, 12.0f));
    light1.setInfluencingBounds(sceneBounds);
    group.addChild(light1);
    AmbientLight light2 = new AmbientLight(new Color3f(0.5f, 0.5f, 0.5f));
    light2.setInfluencingBounds(sceneBounds);
    group.addChild(light2);

    // Update behavior
    Behavior b = new UpdateBehavior();
    b.setSchedulingBounds(bounds);
    group.addChild(b);
    universe.addBranchGraph(group);
}