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 xpos;
   int ypos = 50;

   public void init() {
      String nekosrc[] = {"NekoRight1.gif",   "NekoRight2.gif", 
                          "NekoStop.gif",     "NekoYawn.gif",
                          "NekoScratch1.gif", "NekoScratch2.gif",
                          "NekoSleep1.gif",   "NekoSleep2.gif",
                          "NekoAwake.gif" };

      for (int i=0; i < nekopics.length; i++) {
         nekopics[i] = getImage(getCodeBase(),"images/"+nekosrc[i]);
      }
   }

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

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

   public void run() {
      setBackground(Color.white);

      nekorun(0, size().width / 2);
      currentimg = nekopics[2];
      repaint();
      pause(1000);

      currentimg = nekopics[3];
      repaint();
      pause(1000);

      nekoscratch(4);

      nekosleep(5);

      currentimg = nekopics[8];
      repaint();
      pause(500);
      nekorun(xpos, size().width + 10);
   }

   void nekorun(int start, int end) {
      for (int i = start; i < end ; i+=10) {
         xpos = i;
         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 g) {
      if (currentimg != null)
        g.drawImage(currentimg, xpos, ypos, this);
   }

}