import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
//import java.unit.*;
import java.io.*;

//简单的动画canvas by sword2008@程序之巢

public class test2 extends MIDlet{
 private Display display;

 public test2(){
 
 }

 public void startApp(){
 new test(Display.getDisplay(this)).start();}

 public void pauseApp(){ }

 public void destroyApp(boolean unkowmn){ }

class test extends GameCanvas implements Runnable
{
//////////////////////////////////////
 private Display display;
 private long frameDelay;
 private boolean sleeping;
// private Random rand;
 private Sprite ken;
 private int XSpeed,YSpeed;
 private TiledLayer backgroundLayer;
//////////////////////////////////////
int layerMap[]={1,2,3,4,
  5,6,7,8,
  9,10,11,12,
  13,14,15,16};
//////////////////////////////////////
 public test(Display d){
 super(true);
 display=d;
  frameDelay=80;   }
//==========================================
 public void start(){
 display.setCurrent(this);
 XSpeed=YSpeed=0;
// rand=new Random();
 try{ken= new Sprite(Image.createImage("/ken2.png"),64,58);
 backgroundLayer=new TiledLayer(4,4,Image.createImage("/0.png"),32,32); }
 catch(Exception e){System.out.println(e.toString());}
//------------------------------------------
 sleeping=false;
//==============================
 for(int i=0;i<layerMap.length;i++)
 {int column=i%4;
 int row=(i-column)/4;
 backgroundLayer.setCell(column,row,layerMap[i]);
 }
//==============================
 Thread t=new Thread(this);
 t.start();
   }
//------------------------------------------
 public void run(){
 Graphics g=getGraphics();
 while(!sleeping){
 update();
 draw(g);
 try{Thread.sleep(frameDelay);}
 catch(Exception e){}
   }
   }
private void draw(Graphics g){
 g.setColor(0x000000);
 g.fillRect(0,0,getWidth(),getHeight());
//
 backgroundLayer.paint(g);
 ken.paint(g);
 flushGraphics();
   }
public  void go(){
for(int i=0;i<3;i++)
  {if(i==1)
 ken.prevFrame();
 else
 ken.nextFrame();
  }
}
public void update(){
//-------------------------------------------
 int keyState=getKeyStates();
 if((keyState&LEFT_PRESSED)!=0)
 {XSpeed--;go();}
 if((keyState&RIGHT_PRESSED)!=0)
 {XSpeed++;go();}
//-------------------------------------------
 ken.move(XSpeed,YSpeed);
/* for(int i=0;i<3;i++)
  {if(i==1)
 ken.prevFrame();
 else
 ken.nextFrame();
 }*/
}
 

}

}

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