import java.awt.*;
import java.awt.event.*;
import com.sun.j3d.utils.geometry.*;
import com.sun.j3d.utils.universe.*;
import javax.swing.*;
import javax.media.j3d.*;
import javax.vecmath.*;

public class Simple3D extends JFrame
{

  public Simple3D()
  {
    setSize(600, 600);
    GraphicsConfiguration graphicsConfig =
      SimpleUniverse.getPreferredConfiguration();
    Canvas3D canvas = new Canvas3D(graphicsConfig);
    getContentPane().add("Center", canvas);
    BasicUniverse universe = new BasicUniverse(canvas, 8.0f);

    // Rotate the view platform by PI/4 radians about X in the BasicUniverse
    TransformGroup viewTransform = universe.getViewPlatformTransform();
    Transform3D transform = new Transform3D();
    transform.rotX(Math.PI / 4.0);
    Transform3D currentTransform = new Transform3D();
    viewTransform.getTransform(currentTransform);
    transform.mul(currentTransform);
    viewTransform.setTransform(transform);

    // Add something to display
    BranchGroup scene = createCubeGraph();
    universe.addBranchGraph(scene);
  }

  public BranchGroup createCubeGraph() {
    BranchGroup objRoot = new BranchGroup();

    // Add an unrotated cube to the branch graph
    objRoot.addChild(new ColorCube());

    // Create a transform to rotate by PI/4 radians about Y
    Transform3D T3D = new Transform3D();
    T3D.rotY(Math.PI / 4.0);

    // Create a transform group for this transform
    TransformGroup TG = new TransformGroup();
    TG.setTransform(T3D);

    // Add a second cube below this transform group
    TG.addChild(new ColorCube());

    // Add the transform group to the branch graph
    objRoot.addChild(TG);

    return objRoot;
  }

  public static void main(String[] args) {
    Simple3D myCubes = new Simple3D();
    myCubes.setVisible(true);
  }
}