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

public class Asukoht3 extends Applet {
  public Asukoht3() {
	setLayout(new BorderLayout());
	Canvas3D c = new Canvas3D(SimpleUniverse.getPreferredConfiguration());
	Canvas tasapind=new Canvas();
	setLayout(new GridLayout(2, 1));
	add(tasapind);
	add(c);
	

	BranchGroup juur = new BranchGroup();
   for(int i=1; i<1000; i++){          
       Transform3D t3=new Transform3D();
       t3.setTranslation(new Vector3f((float)(100*Math.random()-50), 
                                      (float)(100*Math.random()-50),
                                      (float)(100*Math.random()-50)));
       TransformGroup tg=new TransformGroup(t3);
       tg.addChild(new ColorCube(0.4));
       juur.addChild(tg);
   }

	SimpleUniverse u = new SimpleUniverse(c);
   TransformGroup tg=u.getViewingPlatform().getViewPlatformTransform();
   Klahvikuular k=new Klahvikuular(tg, tasapind);
   c.addKeyListener(k);

   Background taust=new Background(new Color3f(Color.blue));  //sinine taust
   taust.setApplicationBounds(new BoundingSphere(new Point3d(), 1000));
   juur.addChild(taust);

	u.addBranchGraph(juur);
	c.requestFocus();
  }

    public static void main(String[] args) {
      Frame f=new Frame("Kuubid taevas");
      f.add(new Asukoht3());
      f.setSize(400, 600);
      f.setVisible(true);
    }
  class Klahvikuular implements KeyListener{
    TransformGroup siht;
    Canvas louend;
    Transform3D t=new Transform3D();
    float x, y, z, vahe=0.1f;
    public Klahvikuular(TransformGroup tg1, Canvas l1){
      siht=tg1; louend=l1;
    }
    public void keyPressed(KeyEvent e){
      int klahv=e.getKeyCode();     
      if(klahv==KeyEvent.VK_RIGHT)x+=vahe;
      if(klahv==KeyEvent.VK_LEFT)x-=vahe;
      if(klahv==KeyEvent.VK_UP)z-=vahe;
      if(klahv==KeyEvent.VK_DOWN)z+=vahe;
      if(klahv==KeyEvent.VK_PAGE_UP)y+=vahe;
      if(klahv==KeyEvent.VK_PAGE_DOWN)y-=vahe;
      t.setTranslation(new Vector3f(x, y, z));
      siht.setTransform(t);      
      Graphics g=louend.getGraphics();
      g.setColor(new Color(230, 230, 230));
      g.fillRect(0, 0, louend.getWidth(), louend.getHeight());
      int varv=100+(int)(10*y);  //vastavalt kõrgusele arvutatakse värv
      if(varv<10)varv=10;   
      if(varv>240)varv=240;   
      g.setColor(new Color(100, 100, varv));
      g.drawString((int)x+" "+(int)y+" "+(int)z ,100+(int)(10*x), 100+(int)(10*z)); 
              //x-z tasandile joonistatakse y väärtus
    }
    public void keyReleased(KeyEvent e){
    }
    public void keyTyped(KeyEvent e){}
  }
}