import java.applet.*;
import java.awt.*;
import java.io.*;
import java.net.*;

public class Bounce_Ball extends java.applet.Applet implements Runnable{
   Font f=new Font("TimesRoman",Font.PLAIN,10);
   Font f2=new Font("TimesRoman",Font.BOLD,40);
   Thread runThread;
   URL imgURL,imgURL2;
   Image ball, bar[]=new Image[5], target;
   Image offscreenImg;
   Graphics offscreenG;
   int ax[]={7,9,11,12,10}, ay[]={7,9,11,12,10};
   int axx[]={5,6,8,10,8}, ayy[]={5,6,8,10,8};
   int x=0, y=0, xx=200, yy=275;
   int s=0, az[]={100,200,500,0,1000};
   int l=0, zz[]={2500,10000,25000,50000,100000};
   int b=0, c=0, d=0, barx[]={71,59,43,35,49};
   int sz=0, tx=0, ty=24, atx=8, p[]={50,50,45,40,45};

   public void init() {
      String file_path="/~cwarner/java/Bounce-Ball/";
      try {
      imgURL=new URL("http","grove.ufl.edu",80,file_path+"ball.jpg");
      ball=getImage(imgURL);
      imgURL=new URL("http","grove.ufl.edu",80,file_path+"target.jpg");
      target=getImage(imgURL);
      file_path="/~cwarner/java/Bounce-Ball/bar";
      imgURL2=new URL("http","grove.ufl.edu",80,file_path+".jpg");
      bar[0]=getImage(imgURL2);
      imgURL2=new URL("http","grove.ufl.edu",80,file_path+"2.jpg");
      bar[1]=getImage(imgURL2);
      imgURL2=new URL("http","grove.ufl.edu",80,file_path+"3.jpg");
      bar[2]=getImage(imgURL2);
      imgURL2=new URL("http","grove.ufl.edu",80,file_path+"4.jpg");
      bar[3]=getImage(imgURL2);
      imgURL2=new URL("http","grove.ufl.edu",80,file_path+"5.jpg");
      bar[4]=getImage(imgURL2);
      } catch (Exception e) {
	int pts=0;}
      offscreenImg=createImage(480,300);
      offscreenG=offscreenImg.getGraphics();
   }

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

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

   public void run() {
      while (b==0) {
	try{Thread.sleep(50);}
	catch (InterruptedException e) {}
      }
      try {Thread.sleep(2500);}
      catch (InterruptedException e) {}
      while (true) {
      try {Thread.sleep(p[l]);}
      catch (InterruptedException e) {}
      x=x+ax[l];
      y=y+ay[l];
      if (x>464) ax[l]=-1*ax[l];
      if (x<1) ax[l]=-1*ax[l];
      if (y<1) ay[l]=-1*ay[l];
      if (y>=yy-14 && y<=yy-(15-ay[l]) && x>=xx-8 && x<=xx+barx[l]) {
	ay[l]=-1*ay[l];
	s=s+az[l];
	if (l==4) {
	   if (ay[4]>0) ay[4]=(int)Math.floor(Math.random()*5)+8;
           if (ax[4]>0) ax[4]=(int)Math.floor(Math.random()*5)+8;
           if (ay[4]<0) ay[4]=(int)Math.floor(Math.random()*5)-12;
           if (ax[4]<0) ax[4]=(int)Math.floor(Math.random()*5)-12;
        }
      }
      if (l==3) {
        sz=sz-1; 
	tx=tx+atx;
	if (tx>=480) tx=-16;
	if (sz<0 && y>=ty-14 && y<=ty-(15-ay[l]) && x>tx-15 && x<tx+15) {
	   ay[l]=-1*ay[l];
	   s=s+2500;
	   sz=12;
      }}
      if (s>=zz[l] && y<240 && l<4) {
	l=l+1;
	x=(int)x/8;
	y=0;
	xx=200;
	repaint();
        try{Thread.sleep(750);}
        catch (InterruptedException e) {}
      }
      repaint(); }
   }

   public boolean keyDown(Event evt, int key) {
      if (key==Event.LEFT) xx=xx-axx[l];
      if (key==Event.RIGHT) xx=xx+axx[l];
      if ((char)key=='*') c=1;
      if (c==1 && s==0) {
	if ((char)key=='2') {
           s=2500;}
        if ((char)key=='3') {
           l=1;
           s=10000;}
        if ((char)key=='4') {
           l=2;
           s=25000;}
        if ((char)key=='5') {
           l=3;
           s=50000;}
      } 
      repaint();
      return true;
   }

   public boolean mouseDown(Event evt, int xm, int ym) {
      if (b==0) b=1;
      return true;
   }

   public void update(Graphics g) {
      paint(g);
   }

   public void paint(Graphics g) {
	setBackground(Color.white);
	if (d==0) {
	   for (int j=1; j<5; j++) { 
	   offscreenG.drawImage(bar[j],0,0,this);
	   }
           offscreenG.drawImage(target,0,0,this);
           d=1;
        }
	offscreenG.setColor(Color.black);
	offscreenG.fillRect(0,0,480,300);
	offscreenG.setFont(f);
        offscreenG.setColor(Color.white);
	offscreenG.drawString("Score",20,12);
	offscreenG.drawString(""+s,20,24);
	offscreenG.drawString("Level",420,12);
        offscreenG.drawString(""+(l+1),448,12);
	offscreenG.drawImage(ball,x,y,this);
	offscreenG.drawImage(bar[l],xx,yy,this);
	if (l==3) offscreenG.drawImage(target,tx,ty,this);
	if (y>320) {
	   offscreenG.setFont(f2);
           offscreenG.drawString("Game Over",120,120);
           stop();
        }
	g.drawImage(offscreenImg,0,0,this);
   }
}