import java.applet.Applet;
import java.awt.*;
import com.sun.j3d.utils.geometry.*;
import com.sun.j3d.utils.universe.SimpleUniverse;
import javax.media.j3d.*;
import javax.vecmath.*;

public class Vahetus extends Applet {
  public Vahetus() {
	setLayout(new BorderLayout());
	Canvas3D c = new Canvas3D(SimpleUniverse.getPreferredConfiguration());
	add(c, BorderLayout.CENTER);

	BranchGroup juur = new BranchGroup();
	Switch vaheti=new Switch();
	vaheti.addChild(new ColorCube(0.2));
	Cone cn=new Cone(0.2f, 0.4f);
	Cone cn2=new Cone(0.6f, 0.4f);
	cn.setAppearance(new Appearance());
	cn2.setAppearance(new Appearance());
	vaheti.addChild(cn);
	vaheti.addChild(cn2);
	SwitchValueInterpolator ip1= new SwitchValueInterpolator(new Alpha(), vaheti);
	vaheti.setCapability(Switch.ALLOW_SWITCH_WRITE);
   ip1.setSchedulingBounds(new BoundingSphere());
   juur.addChild(vaheti);
   juur.addChild(ip1);
	ip1.setLastChildIndex(2);
	ip1.setFirstChildIndex(0);
   juur.compile();

	SimpleUniverse u = new SimpleUniverse(c);
   u.getViewingPlatform().setNominalViewingTransform();
	u.addBranchGraph(juur);
  }

    public static void main(String[] args) {
      Frame f=new Frame("Kujundite vahetus");
      f.add(new Vahetus());
      f.setSize(300, 300);
      f.setVisible(true);
    }
}