import java.awt.Graphics;
import java.awt.Image;
import java.awt.Color;



   public class Neko extends java.applet.Applet
     implements Runnable {

     Image nekoPics[] = new Image[9];
     Image currentImg;
     Thread runner; 
     int x;
     int y = 50;


     public void init()  {
       String nekoSrc[]= { "right1.gif", "right2.gif",
        "stop.gif", "yawn.gif", "scratch1.gif",
        "scratch2.gif", "sleep1.gif", "sleep2.gif",
        "awake.gif"  };

       for (int i=0; i< nekoPics.length; i++) {
          nekoPics[i] = getImage(getCodeBase(),
            "Neko_Imag/" + nekoSrc[i]);
      }
    }

     public void start() {
       if (runner == null) {
           runner = new Thread(this);
           runner.start();
       }
    }

     public void stop() {
       if (runner != null) {
           runner = null;
       }
    }

    
    public void run() {
     setBackground(Color.white);
       // Correr de izq a derecha (llamo a metodo posterior)
     nekoRun(0, getSize().width/2);

      // Detenerse y hacer una pausa
     currentImg = nekoPics[2];
     repaint();
     pause(1000);  //el metodo pause tb a continuacion

      // Bostezar
     currentImg = nekoPics[3];
     repaint();
     pause(1000);

      // Rascarse 4 veces (metodo posterior)
     nekoScratch(4);

      // Dormir 5 turnos (idem)
     nekoSleep(5);

      // Despertarse y salir corriendo
     currentImg = nekoPics[8];
     repaint();
     pause(500);
     nekoRun(x,getSize().width + 10);
   }

     // METODOS DE LAS ACCIONES

     void nekoRun(int start, int end) {
       for (int i = start; i < end; i += 10) {
        x = i;
              //intercambio de imagenes
        if (currentImg == nekoPics[0]) 
               currentImg = nekoPics[1];
        else currentImg = nekoPics[0];
    
        repaint();
        pause(150);
      }

    }

    void nekoScratch( int numTimes) {
      for (int i = numTimes; i > 0; i--) {
         currentImg = nekoPics[4];
         repaint();
         pause(150);
         currentImg = nekoPics[5];
         repaint();
         pause(150);
     }
   }


    void nekoSleep ( int numTimes) {
      for (int i = numTimes; i > 0; i--) {
         currentImg = nekoPics[6];
         repaint();
         pause(250);
         currentImg = nekoPics[7];
         repaint();
         pause(250);
      }
    }

   void pause (int time) {
     try {
         Thread.sleep(time);
     } catch (InterruptedException e) {}
   }

   public void paint (Graphics screen) {
     if (currentImg != null)
        screen.drawImage(currentImg, x, y, this);
   }

}