BackgroundApppublic class BackgroundApp extends Applet
| Constructors Summary |
|---|
public BackgroundApp()
setLayout(new BorderLayout());
GraphicsConfiguration config =
SimpleUniverse.getPreferredConfiguration();
Canvas3D canvas3D = new Canvas3D(config);
canvas3D.setStereoEnable(false);
add("Center", canvas3D);
// SimpleUniverse is a Convenience Utility class
SimpleUniverse simpleU = new SimpleUniverse(canvas3D);
BranchGroup scene = createSceneGraph(simpleU);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
simpleU.getViewingPlatform().setNominalViewingTransform();
simpleU.addBranchGraph(scene);
new OtherView(simpleU.getLocale()); /* see note below */
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| Methods Summary |
|---|
| public BranchGroup | createBackGraph()
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
PointArray starGeom1 = new PointArray(7, PointArray.COORDINATES);
Appearance starAppear1 = new Appearance();
starGeom1.setCoordinate( 0, new Point3f( 0.79483311f, -0.58810995f, 0.14955615f));
starGeom1.setCoordinate( 1, new Point3f( 0.44430932f, -0.55736839f, -0.70137505f));
starGeom1.setCoordinate( 2, new Point3f( 0.94901367f, -0.30404968f, 0.08322775f));
starGeom1.setCoordinate( 3, new Point3f( 0.68060123f, -0.43044807f, 0.59287173f));
starGeom1.setCoordinate( 4, new Point3f(-0.11641672f, 0.47273532f, 0.87348049f));
starGeom1.setCoordinate( 5, new Point3f(-0.10399289f, -0.98059412f, 0.16619437f));
starGeom1.setCoordinate( 6, new Point3f( 0.08024400f, -0.96944100f, -0.23182900f));
PointAttributes point1 = new PointAttributes(4.0f, false);
starAppear1.setPointAttributes(point1);
objRoot.addChild(new Shape3D(starGeom1, starAppear1));
PointArray starGeom2 = new PointArray(18, PointArray.COORDINATES);
starGeom2.setCoordinate( 0, new Point3f( 0.050844f, -0.992329f, 0.112678f));
starGeom2.setCoordinate( 1, new Point3f(-0.063091f, -0.997672f, 0.025869f));
starGeom2.setCoordinate( 2, new Point3f( 0.096706f, -0.980384f, 0.171736f));
starGeom2.setCoordinate( 3, new Point3f(-0.562384f, 0.073568f, 0.823595f));
starGeom2.setCoordinate( 4, new Point3f(-0.863904f, 0.059045f, 0.500180f));
starGeom2.setCoordinate( 5, new Point3f(-0.727033f, 0.304149f, 0.615559f));
starGeom2.setCoordinate( 6, new Point3f(-0.724850f, 0.535590f, 0.433281f));
starGeom2.setCoordinate( 7, new Point3f( 0.185904f, -0.976907f, -0.105311f));
starGeom2.setCoordinate( 8, new Point3f( 0.738028f, -0.531886f, -0.415221f));
starGeom2.setCoordinate( 9, new Point3f(-0.402152f, 0.392690f, -0.827085f));
starGeom2.setCoordinate(10, new Point3f(-0.020020f, -0.999468f, -0.025724f));
starGeom2.setCoordinate(11, new Point3f(-0.384103f, -0.887075f, 0.256050f));
starGeom2.setCoordinate(12, new Point3f(-0.224464f, -0.968946f, -0.103720f));
starGeom2.setCoordinate(13, new Point3f(-0.828880f, -0.397932f, -0.393203f));
starGeom2.setCoordinate(14, new Point3f(-0.010557f, -0.998653f, 0.050797f));
starGeom2.setCoordinate(15, new Point3f(-0.282122f, 0.258380f, -0.923930f));
starGeom2.setCoordinate(16, new Point3f(-0.941342f, -0.030364f, 0.336082f));
starGeom2.setCoordinate(17, new Point3f( 0.00057f, -0.99651f, -0.08344f));
Appearance starAppear2 = new Appearance();
PointAttributes point2 = new PointAttributes(2.0f, false);
starAppear2.setPointAttributes(point2);
objRoot.addChild(new Shape3D(starGeom2, starAppear2));
PointArray starGeom3 = new PointArray(20, PointArray.COORDINATES);
starGeom3.setCoordinate( 0, new Point3f( 0.07292f, -0.98862f, -0.13153f));
starGeom3.setCoordinate( 1, new Point3f( 0.23133f, -0.87605f, -0.42309f));
starGeom3.setCoordinate( 2, new Point3f(-0.08215f, -0.64657f, 0.75840f));
starGeom3.setCoordinate( 3, new Point3f(-0.84545f, 0.53398f, 0.00691f));
starGeom3.setCoordinate( 4, new Point3f(-0.49365f, -0.83645f, -0.23795f));
starGeom3.setCoordinate( 5, new Point3f( 0.06883f, -0.99319f, -0.09396f));
starGeom3.setCoordinate( 6, new Point3f( 0.87582f, -0.40662f, 0.25997f));
starGeom3.setCoordinate( 7, new Point3f(-0.09095f, -0.99555f, 0.02467f));
starGeom3.setCoordinate( 8, new Point3f( 0.45306f, -0.81575f, -0.35955f));
starGeom3.setCoordinate( 9, new Point3f( 0.17669f, -0.97939f, 0.09776f));
starGeom3.setCoordinate(10, new Point3f( 0.27421f, -0.83963f, 0.46884f));
starGeom3.setCoordinate(11, new Point3f( 0.32703f, -0.94013f, -0.09584f));
starGeom3.setCoordinate(12, new Point3f(-0.01615f, -0.99798f, -0.06132f));
starGeom3.setCoordinate(13, new Point3f(-0.76665f, 0.45998f, -0.44791f));
starGeom3.setCoordinate(14, new Point3f(-0.91025f, -0.07102f, 0.40791f));
starGeom3.setCoordinate(15, new Point3f(-0.00240f, -0.97104f, -0.23887f));
starGeom3.setCoordinate(16, new Point3f( 0.91936f, -0.39244f, 0.02740f));
starGeom3.setCoordinate(17, new Point3f( 0.18290f, -0.97993f, 0.07920f));
starGeom3.setCoordinate(18, new Point3f(-0.48755f, 0.61592f, 0.61884f));
starGeom3.setCoordinate(19, new Point3f(-0.89375f, 0.36087f, -0.26626f));
objRoot.addChild(new Shape3D(starGeom3));
int[] stripCount = {10};
LineStripArray orion = new LineStripArray(10, LineStripArray.COORDINATES, stripCount);
orion.setCoordinate( 0, new Point3f(0.978330f, -0.033900f, 0.204426f));
orion.setCoordinate( 1, new Point3f(0.968007f, -0.167860f, 0.186506f));
orion.setCoordinate( 2, new Point3f(0.981477f, -0.142660f, 0.127873f));
orion.setCoordinate( 3, new Point3f(0.983764f, -0.005220f, 0.179391f));
orion.setCoordinate( 4, new Point3f(0.981112f, 0.110597f, 0.158705f));
orion.setCoordinate( 5, new Point3f(0.967377f, 0.172516f, 0.185523f));
orion.setCoordinate( 6, new Point3f(0.961385f, 0.128845f, 0.243183f));
orion.setCoordinate( 7, new Point3f(0.978330f, -0.033900f, 0.204426f));
orion.setCoordinate( 8, new Point3f(0.981293f, -0.020980f, 0.191375f));
orion.setCoordinate( 9, new Point3f(0.983764f, -0.005220f, 0.179391f));
objRoot.addChild(new Shape3D(orion));
objRoot.compile();
return objRoot;
| | Shape3D | createLand()
LineArray landGeom = new LineArray(44, GeometryArray.COORDINATES
| GeometryArray.COLOR_3);
float l = -50.0f;
for(int c = 0; c < 44; c+=4){
landGeom.setCoordinate( c+0, new Point3f( -50.0f, 0.0f, l ));
landGeom.setCoordinate( c+1, new Point3f( 50.0f, 0.0f, l ));
landGeom.setCoordinate( c+2, new Point3f( l , 0.0f, -50.0f ));
landGeom.setCoordinate( c+3, new Point3f( l , 0.0f, 50.0f ));
l += 10.0f;
}
Color3f c = new Color3f(0.1f, 0.8f, 0.1f);
for(int i = 0; i < 44; i++) landGeom.setColor( i, c);
return new Shape3D(landGeom);
| | 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);
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;
| | public static void | main(java.lang.String[] args)
System.out.println("BackgroundApp.java - a demonstration of placing geometry");
System.out.println("in the background of a Java 3D scene.");
System.out.println("When the app loads, you can use the arrow keys to move.");
System.out.println("The Java 3D Tutorial is available on the web at:");
System.out.println("http://java.sun.com/products/java-media/3D/collateral");
Frame frame = new MainFrame(new BackgroundApp(), 256, 256);
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