Java3D

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package java3d;
 
/**
 *
 * @author IT3
 */
 import javax.vecmath.*;
 import java.awt.*;
 import java.applet.*;
 import java.awt.event.*;
 import java.net.URL;
 import javax.media.j3d.*;
 import com.sun.j3d.utils.universe.*;
 import com.sun.j3d.utils.geometry.*;
 import com.sun.j3d.utils.image.*;
 import com.sun.j3d.utils.applet.MainFrame;
 
 public class Java3D extends Applet {
 
 public static void main(String[] args) {
//--------------------------------------------------------------------------------[Page 24]15 
 new MainFrame(new Java3D(), 480, 480);
 String path = System.getProperty("java.library.path");
 System.out.println(path);
 
 }
 
 private SimpleUniverse su;
 
 public void init() {
 GraphicsConfiguration gc =
 SimpleUniverse.getPreferredConfiguration();
 Canvas3D cv = new Canvas3D(gc);
 setLayout(new BorderLayout());
 add(cv);
 BranchGroup bg = createSceneGraph();
 bg.compile();
 su = new SimpleUniverse(cv);
 su.getViewingPlatform().setNominalViewingTransform();
 su.addBranchGraph(bg);
 }
 
 public void destroy() {
 su.cleanup();
 }
 
 private BranchGroup createSceneGraph() {
 BranchGroup root = new BranchGroup();
 TransformGroup spin = new TransformGroup();
 spin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
 root.addChild(spin);
 // 3d text
 Appearance ap = new Appearance();
 ap.setMaterial(new Material());
 Font3D font = new Font3D(new Font("Helvetica", Font.PLAIN, 1),
 new FontExtrusion());
 Text3D text = new Text3D(font, "Java 3D");
 Shape3D shape = new Shape3D(text, ap);
 // transform for text
 Transform3D tr = new Transform3D();
 tr.setScale(0.2);
 tr.setTranslation(new Vector3d(-0.35,-0.15,0.75));
 TransformGroup tg = new TransformGroup(tr);
 root.addChild(tg);
 tg.addChild(shape);
 // globe
 ap = createAppearance();
 spin.addChild(new Sphere(0.7f,
 Primitive.GENERATE_TEXTURE_COORDS, 50, ap));
 // rotation
 Alpha alpha = new Alpha(-1, 6000);
 RotationInterpolator rotator =
 new RotationInterpolator(alpha, spin);
 BoundingSphere bounds = new BoundingSphere();
 rotator.setSchedulingBounds(bounds);
 spin.addChild(rotator);
 // background and lights
 Background background = new Background(1.0f, 1.0f, 1.0f);
 background.setApplicationBounds(bounds);
 root.addChild(background);
 AmbientLight light =
 new AmbientLight(true, new Color3f(Color.red));
 light.setInfluencingBounds(bounds);
 root.addChild(light);
//------------------------------------------------------------------------------[Page 25]75 
 PointLight ptlight = new PointLight(new Color3f(Color.white),
 new Point3f(3f,3f,3f), new Point3f(1f,0f,0f));
 ptlight.setInfluencingBounds(bounds);
 root.addChild(ptlight);
 return root;
 }
 
 private Appearance createAppearance(){
 Appearance ap = new Appearance();
 URL filename =
 getClass().getClassLoader().getResource("c:/earth.jpg");
 TextureLoader loader = new TextureLoader(filename, this);
 ImageComponent2D image = loader.getImage();
 Texture2D texture =
 new Texture2D(Texture.BASE_LEVEL, Texture.RGBA,
 image.getWidth(), image.getHeight());
 texture.setImage(0, image);
 texture.setEnable(true);
 texture.setMagFilter(Texture.BASE_LEVEL_LINEAR);
 texture.setMinFilter(Texture.BASE_LEVEL_LINEAR);
 ap.setTexture(texture);
 return ap;
 }
 }