import java.awt.*;

import javax.swing.*;

import com.sun.j3d.utils.geometry.ColorCube;

import com.sun.j3d.utils.universe.SimpleUniverse;

import javax.media.j3d.*;

import javax.vecmath.*;

 

public class Kuup2a extends JApplet implements Runnable{

  TransformGroup keere1;

  double nurk;

 

  public Kuup2a() {

        Canvas3D c = new Canvas3D(SimpleUniverse.getPreferredConfiguration());

        getContentPane().add(c, BorderLayout.CENTER);

       

        BranchGroup juur = new BranchGroup();

        Transform3D keerd1=new Transform3D();

        keere1=new TransformGroup(keerd1);

        keere1.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

        juur.addChild(keere1);

        keere1.addChild(new ColorCube(0.5));

        juur.compile();

 

        SimpleUniverse u = new SimpleUniverse(c);

        u.getViewingPlatform().setNominalViewingTransform();

        u.addBranchGraph(juur);

        new Thread(this).start();

  }

  public void run(){

    while(true){

      try{Thread.sleep(50);}catch(Exception e){}

      nurk+=0.2;

      double kaugus=-1+Math.sin(nurk/3);

      Transform3D t=new Transform3D();

      t.rotY(nurk);

      t.setTranslation(new Vector3d(0, 0, kaugus));

      keere1.setTransform(t);

    }

  }

 

    public static void main(String[] args) {

      Frame f=new Frame("Keerlev kuup");

      f.add(new Kuup2a());

      f.setSize(300, 300);

      f.setVisible(true);

    }

}