Java3D ile Grafik Programlama 7

import java.applet.Applet; import java.awt.BorderLayout; import java.awt.Frame; import java.awt.event.*; import com.sun.j3d.utils.applet.MainFrame; import com.sun.j3d.utils.universe.*; import com.sun.j3d.utils.geometry.ColorCube; import javax.media.j3d.*; import javax.vecmath.*;  public class HelloJava3Da extends Applet {  public HelloJava3Da() {  setLayout(new BorderLayout());  Canvas3D canvas3D = new Canvas3D(null);   add("Center", canvas3D);  BranchGroup scene = createSceneGraph();  //Content kısmı compile edilir.  scene.compile();  SimpleUniverse simpleU = new SimpleUniverse(canvas3D);  simpleU.getViewingPlatform().setNominalViewingTransform();  simpleU.addBranchGraph(scene);  }     public BranchGroup createSceneGraph() {   BranchGroup objRoot = new BranchGroup();   Transform3D rotate = new Transform3D();   Transform3D tempRotate = new Transform3D();   rotate.rotX(Math.PI/4.0d);  tempRotate.rotY(Math.PI/5.0d);  rotate.mul(tempRotate);  TransformGroup objRotate = new TransformGroup(rotate);  objSpin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);   objRoot.addChild(objRotate);  objRotate.addChild(objSpin);  objSpin.addChild(new ColorCube(0.4));  Transform3D yAxis = new Transform3D(); Alpha rotationAlpha = new Alpha(-1, 4000);    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objSpin, yAxis,  0.0f, (float) Math.PI*2.0f);  BoundingSphere bounds = new BoundingSphere(); rotator.setSchedulingBounds(bounds); objSpin.addChild(rotator);  return objRoot;  }    public static **** main(String[] args) {  Frame frame = new MainFrame(new HelloJava3Da(), 256, 256);  } }