import java.awt.*;
import java.net.*;

import javax.vecmath.*;
import javax.media.j3d.*;
import com.sun.j3d.utils.universe.*;
import com.sun.j3d.utils.geometry.*;
import com.sun.j3d.utils.image.TextureLoader;

public class Tellus extends Frame {
   public static void main(String[] args) {
      new Tellus();
   }

   public Tellus() {
      Canvas3D canvas3D = new Canvas3D((new GraphicsConfigTemplate3D()).getBestConfiguration(GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices()[0].getConfigurations())); 
      SimpleUniverse su = new SimpleUniverse(canvas3D);
      su.getViewingPlatform().setNominalViewingTransform();
      su.addBranchGraph(makeBranchGraph());

      setLayout(new BorderLayout());
      add(canvas3D, BorderLayout.CENTER);
      setSize(256,256);
      show();
   }

   private BranchGroup makeBranchGraph() {
      BranchGroup bg = new BranchGroup();
      TransformGroup tg = new TransformGroup();
      tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); 
      bg.addChild(tg);
      tg.addChild(makeTellus());
      BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
      RotationInterpolator ri = new RotationInterpolator(new Alpha(-1, 7000), tg);
      ri.setSchedulingBounds(bounds); 
      tg.addChild(ri); 
      return bg;
   }

   private Sphere makeTellus() {
      Appearance app = new Appearance();

      URL url = getClass().getClassLoader().getResource("tellus.jpg");
      TextureLoader tl = new TextureLoader(url, "RGB", this);

      app.setTexture(tl.getTexture());
      Sphere tellus = new Sphere(0.75f, 50, app);  
      return tellus;
   } 
}