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

   BranchGroup juur = new BranchGroup();
   Cone k1=new Cone();
   Appearance valimus=new Appearance();
   Material materjal=new Material(
     new Color3f(Color.black),  //hajuvalgus
     new Color3f(Color.black),  //eralduv
     new Color3f(Color.red),    //peegelduv valgus
     new Color3f(Color.black),  1 //läige
   );
   materjal.setCapability(Material.ALLOW_COMPONENT_WRITE);
   valimus.setMaterial(materjal);
   k1.setAppearance(valimus);
   DirectionalLight suundvalgus=new DirectionalLight();
   suundvalgus.setInfluencingBounds(new BoundingSphere());
   juur.addChild(suundvalgus);


   ColorInterpolator varvimuutja=new ColorInterpolator(new Alpha(-1, 2000),
     materjal, new Color3f(Color.red), new Color3f(Color.green));
   varvimuutja.setSchedulingBounds(new BoundingSphere());
   juur.addChild(varvimuutja);
   juur.addChild(k1);
   juur.compile();

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

    public static void main(String[] args) {
      Frame f=new Frame("Värvi muutev koonus");
      f.add(new Varvimuutus());
      f.setSize(300, 300);
      f.setVisible(true);
    }
}