A Pong Game

import java.awt.*;
import java.awt.event.*;
import java.applet.*;

class Brick {
public int x,y;

public Brick(int x,int y) {
this.x = x;
this.y = y;
}
}

class Ball {
public int x,y,slope;
public boolean nw,sw,ne,se;

public Ball(int x,int y) {
ne = true;
this.x = x;
this.y = y;
}
}


public class Pong extends Applet implements Runnable,MouseMotionListener,KeyListener {
private int gameflag;
private boolean player1 = true;
private final int INIT_ACTIVE = 0;
private final int INTRO_ACTIVE = 1;
private final int GAME1_ACTIVE = 2;
private final int GAME2_ACTIVE = 3;
private int padx,pad1x,score;
private boolean gameover;
private Thread t;
private Image dbuffer,back,back1,ballpic1,ballpic2,pad,pad1,brickpic,gameoverpic,logo,title;
private Graphics dbuffer_gfx;
private Brick brick[] = new Brick[5];
private Ball ball[] = new Ball[3];
private Ball ball2;
private Ball logoxy;

public void init() {
requestFocus();
gameoverpic = getImage(getDocumentBase(),"gameover.gif");
title = getImage(getDocumentBase(),"title.gif");
logo = getImage(getDocumentBase(),"logo.gif");
brickpic = getImage(getDocumentBase(),"brick.gif");
pad = getImage(getDocumentBase(),"pad.gif");
pad1 = getImage(getDocumentBase(),"pad1.gif");
ballpic1 = getImage(getDocumentBase(),"ball.gif");
ballpic2 = getImage(getDocumentBase(),"ball1.gif");
back = getImage(getDocumentBase(),"back.jpg");
back1 = getImage(getDocumentBase(),"back1.jpg");
dbuffer=createImage(getSize().width,getSize().height);
dbuffer_gfx=dbuffer.getGraphics();

gameflag = INIT_ACTIVE;
logoxy = new Ball(((int)(Math.random() * 4) * (getSize().width/4)),
((int)(Math.random() * 4) * (getSize().height/4)));
addMouseMotionListener(this);
addKeyListener(this);
}

public void initgame1() {
score = 0;

for(int j = 0; j < ball.length ; j++) {
ball[j] = new Ball(
(int)(Math.random() * getSize().width),
(int)(Math.random() * getSize().height)
);
}
for(int i = 0; i < brick.length ; i++) {
brick[i] = new Brick(
((int)(Math.random() * 5) * (getSize().width/5)),
((int)(Math.random() * 5) * (getSize().height/5))
);
}
}

public void initgame2() {
ball2 = new Ball((int)(Math.random() * getSize().width),getSize().height/2);
pad1x = getSize().width / 2 - 25;
padx = getSize().width / 2;
}

public void start() {
t = new Thread(this);
t.start();
}

public void stop() {
t.stop();
t = null;
}

public void update(Graphics g) {
paint(dbuffer_gfx);
g.drawImage(dbuffer,0,0,this);
}

public void PaintIntro(Graphics g) {
g.setColor(Color.black);
g.fillRect(0,0,getSize().width,getSize().height);
g.drawImage(logo,logoxy.x,logoxy.y,this);
g.drawImage(title,getSize().width/2 - 116,getSize().height/7,this);
if (player1 == true) {
g.setColor(Color.blue);
g.drawString("1 Player Game",getSize().width/2 - 45,getSize().height/2 + getSize().height/3);
g.setColor(Color.white);
g.drawString("2 Player Game",getSize().width/2 - 45,getSize().height/2 + 15 + getSize().height/3);
} else {
g.setColor(Color.white);
g.drawString("1 Player Game",getSize().width/2 - 45,getSize().height/2 + getSize().height/3);
g.setColor(Color.blue);
g.drawString("2 Player Game",getSize().width/2 - 45,getSize().height/2 + 15 + getSize().height/3);
}
g.setColor(Color.red);
g.drawString("written by Dino Scarcella",getSize().width/2 - 90,getSize().height/7 + 110);
}

public void PaintGame1(Graphics g) {
if (((score/10)%2)== 0) {
g.drawImage(back,0,0,this);
}
if (((score/10)%2)== 1) {
g.drawImage(back1,0,0,this);
}
for(int i = 0;i < brick.length;i++) {
g.drawImage(brickpic,brick[i].x,brick[i].y,this);
}
for(int i = 0;i < ball.length; i++) {
if ((i % 2)==0) {
g.drawImage(ballpic1,ball[i].x,ball[i].y,this);
}else{
g.drawImage(ballpic2,ball[i].x,ball[i].y,this);
}
}

g.drawImage(pad,padx - 25,getSize().height - 20,this);
if (gameover == true) {
g.setColor(Color.black);
g.drawImage(gameoverpic,getSize().width / 2 - 48
,getSize().height / 2 - 20,this);
g.drawString("SCORE : " + score,getSize().width / 2 - 40
,getSize().height);
}
}

public void PaintGame2(Graphics g) {
g.drawImage(back,0,0,this);
g.drawImage(ballpic1,ball2.x,ball2.y,this);
g.drawImage(pad,padx - 25,getSize().height - 20,this);
g.drawImage(pad1,pad1x,0,this);
if (gameover == true) {
g.setColor(Color.black);
g.drawImage(gameoverpic,getSize().width / 2 - 48
,getSize().height / 2 - 20,this);
if (ball2.y == -7) g.drawString("Player 1 wins",getSize().width / 2 - 40 ,getSize().height);
if (ball2.y == getSize().height - 19) g.drawString("Player 2 wins",getSize().width / 2 - 40 ,getSize().height);
}
}

public void paint(Graphics g) {
g.setFont(new Font("Arial",Font.BOLD,14));
if (gameflag == INIT_ACTIVE) {

g.setColor(Color.black);
g.fillRect(0,0,getSize().width,getSize().height);
g.setColor(Color.white);
g.drawString("Loading, please wait...",20,20);

}

if (gameflag == INTRO_ACTIVE) {
PaintIntro(g);
}

if (gameflag == GAME1_ACTIVE) {
PaintGame1(g);
}

if (gameflag == GAME2_ACTIVE) {
PaintGame2(g);
}
}

public void physicsgame1() {
for(int j = 0;j < ball.length;j++) {
nw: if (ball[j].nw == true) {
if (ball[j].x <= 0) {
ball[j].nw = false;
ball[j].ne = true;
if (ball[j].y <= getSize().height - 29) play(getDocumentBase(),"hitwall.au");
break nw;
}
if (ball[j].y <= 0) {
ball[j].sw = true;
ball[j].nw = false;
if (ball[j].y <= getSize().height - 29) play(getDocumentBase(),"hitwall.au");
break nw;
}
forloopNW: for(int i = 0; i < brick.length ; i++) {
if ((ball[j].x >= brick[i].x)&&(ball[j].x <= brick[i].x + 60)&&(ball[j].y >= brick[i].y)&&(ball[j].y <= brick[i].y + 10)) {
if ((ball[j].x <= brick[i].x + 60)&&(ball[j].x >= brick[i].x + 55)) {
ball[j].nw = false;
ball[j].ne = true;
play(getDocumentBase(),"hitwall.au");
break forloopNW;
}
if ((ball[j].y <= brick[i].y + 10)&&(ball[j].y >= brick[i].y + 5)) {
ball[j].nw = false;
ball[j].sw = true;
play(getDocumentBase(),"hitwall.au");
}
}
}

ball[j].x-= ball[j].slope + 2 + score/10;
ball[j].y-= 2 + score/10;
}
ne: if (ball[j].ne == true) {
if (ball[j].x >= getSize().width - 9) {
ball[j].nw = true ;
ball[j].ne = false ;
if (ball[j].y <= getSize().height - 29) play(getDocumentBase(),"hitwall.au");
break ne;
}
if (ball[j].y <= 0) {
ball[j].se = true;
ball[j].ne = false;
if (ball[j].y <= getSize().height - 29) play(getDocumentBase(),"hitwall.au");
break ne;
}

forloopNE: for(int i = 0; i < brick.length ; i++) {
if ((ball[j].x >= brick[i].x - 9)&&(ball[j].x <= brick[i].x + 60)&&(ball[j].y >= brick[i].y)&&(ball[j].y <= brick[i].y + 10)) {
if ((ball[j].x >= brick[i].x - 9)&&(ball[j].x <= brick[i].x - 4)) {
ball[j].ne = false;
ball[j].nw = true;
play(getDocumentBase(),"hitwall.au");
break forloopNE;
}
if ((ball[j].y <= brick[i].y + 10)&&(ball[j].y >= brick[i].y + 5)) {
ball[j].ne = false;
ball[j].se = true;
play(getDocumentBase(),"hitwall.au");
}
}
}

ball[j].x += ball[j].slope + 2 + score/10;
ball[j].y -= 2 + score/10;
}
sw: if (ball[j].sw == true) {
if (ball[j].x <= 0) {
ball[j].sw = false;
ball[j].se = true;
if (ball[j].y <= getSize().height - 29) play(getDocumentBase(),"hitwall.au");
break sw;
}
if ((ball[j].y >= getSize().height - 29)&&(ball[j].y <= getSize().height - 19)) {
if ((ball[j].x >= padx - 29)&&(ball[j].x <= padx - 19)) {
ball[j].sw = false;
ball[j].nw = true;
score ++;
ball[j].slope = 3;
play(getDocumentBase(),"hitpad.au");
break sw;
}
if ((ball[j].x > padx - 19)&&(ball[j].x <= padx - 9)) {
ball[j].sw = false;
ball[j].nw = true;
score ++;
ball[j].slope = 1;
play(getDocumentBase(),"hitpad.au");
break sw;
}
if ((ball[j].x > padx - 9)&&(ball[j].x <= padx + 1)) {
ball[j].sw = false;
ball[j].nw = true;
score ++;
ball[j].slope = 0;
play(getDocumentBase(),"hitpad.au");
break sw;
}
if ((ball[j].x > padx + 1)&&(ball[j].x <= padx + 11)) {
ball[j].sw = false;
ball[j].nw = true;
score ++;
ball[j].slope = 1;
play(getDocumentBase(),"hitpad.au");
break sw;
}
if ((ball[j].x > padx + 11)&&(ball[j].x <= padx + 21)) {
ball[j].sw = false;
ball[j].ne = true;
score ++;
ball[j].slope = 3;
play(getDocumentBase(),"hitpad.au");
break sw;
}
}
forloopSW: for(int i = 0; i < brick.length ; i++) {
if ((ball[j].x >= brick[i].x)&&(ball[j].x <= brick[i].x + 60)&&(ball[j].y >= brick[i].y - 9)&&(ball[j].y <= brick[i].y + 10)) {
if ((ball[j].x <= brick[i].x + 60)&&(ball[j].x >= brick[i].x + 55)) {
ball[j].sw = false;
ball[j].se = true;
play(getDocumentBase(),"hitwall.au");
break forloopSW;
}
if ((ball[j].y >= brick[i].y - 9 )&&(ball[j].y <= brick[i].y - 4)) {
ball[j].sw = false;
ball[j].nw = true;
play(getDocumentBase(),"hitwall.au");
}
}
}

ball[j].x-= ball[j].slope + 2 + score/10;
ball[j].y+= 2 + score/10;
}
se: if (ball[j].se == true) {
if (ball[j].x >= getSize().width - 9) {
ball[j].sw = true;
ball[j].se = false ;
if (ball[j].y <= getSize().height - 29) play(getDocumentBase(),"hitwall.au");
break se;
}
if ((ball[j].y >= getSize().height - 29)&&(ball[j].y <= getSize().height - 19)) {
if ((ball[j].x >= padx - 29)&&(ball[j].x <= padx - 19)) {
ball[j].se = false;
ball[j].nw = true;
score ++;
ball[j].slope = 3;
play(getDocumentBase(),"hitpad.au");
break se;
}
if ((ball[j].x > padx - 19)&&(ball[j].x <= padx - 9)) {
ball[j].se = false;
ball[j].ne = true;
score ++;
ball[j].slope = 1;
play(getDocumentBase(),"hitpad.au");
break se;
}
if ((ball[j].x > padx - 9)&&(ball[j].x <= padx + 1)) {
ball[j].se = false;
ball[j].ne = true;
score ++;
ball[j].slope = 0;
play(getDocumentBase(),"hitpad.au");
break se;
}
if ((ball[j].x > padx + 1)&&(ball[j].x <= padx + 11)) {
ball[j].se = false;
ball[j].ne = true;
score ++;
ball[j].slope = 1;
play(getDocumentBase(),"hitpad.au");
break se;
}
if ((ball[j].x > padx + 11)&&(ball[j].x <= padx + 21)) {
ball[j].se = false;
ball[j].ne = true;
score ++;
ball[j].slope = 3;
play(getDocumentBase(),"hitpad.au");
break se;
}
}
forloopSE : for(int i = 0; i < brick.length ; i++) {
if ((ball[j].x >= brick[i].x - 9)&&(ball[j].x <= brick[i].x + 60)&&(ball[j].y >= brick[i].y - 9)&&(ball[j].y <= brick[i].y + 10)) {
if ((ball[j].x >= brick[i].x - 9)&&(ball[j].x <= brick[i].x - 4)) {
ball[j].se = false;
ball[j].sw = true;
play(getDocumentBase(),"hitwall.au");
break forloopSE;
}
if ((ball[j].y >= brick[i].y - 9)&&(ball[j].y <= brick[i].y - 4)) {
ball[j].se = false;
ball[j].ne = true;
play(getDocumentBase(),"hitwall.au");
}
}
}

ball[j].x+= ball[j].slope + 2 + score/10;
ball[j].y+= 2 + score/10;
}
}
}

public void physicsgame2() {
ne: if (ball2.ne == true) {
if (ball2.x >= getSize().width - 9) {
ball2.ne = false;
ball2.nw = true;
play(getDocumentBase(),"hitwall.au");
break ne;
}
if ((ball2.y <= 10)&&(ball2.y >= 0)) {
if ((ball2.x >= pad1x - 4)&&(ball2.x <= pad1x + 6)) {
ball2.ne = false ;
ball2.sw = true ;
ball2.slope = 3;
play(getDocumentBase(),"hitpad.au");
break ne;
}
if ((ball2.x > pad1x + 6)&&(ball2.x <= pad1x + 16)) {
ball2.ne = false ;
ball2.se = true ;
ball2.slope = 1;
play(getDocumentBase(),"hitpad.au");
break ne;
}
if ((ball2.x > pad1x + 16)&&(ball2.x <= pad1x + 26)) {
ball2.ne = false ;
ball2.se = true ;
ball2.slope = 0;
play(getDocumentBase(),"hitpad.au");
break ne;
}
if ((ball2.x > pad1x + 26)&&(ball2.x <= pad1x + 36)) {
ball2.ne = false ;
ball2.se = true ;
ball2.slope = 1;
play(getDocumentBase(),"hitpad.au");
break ne;
}
if ((ball2.x > pad1x + 36)&&(ball2.x <= pad1x + 46)) {
ball2.ne = false ;
ball2.se = true ;
ball2.slope = 3;
play(getDocumentBase(),"hitpad.au");
break ne;
}
}
ball2.x += 2 + ball2.slope;
ball2.y -= 2;
}
nw: if (ball2.nw == true) {
if (ball2.x <= 0) {
ball2.nw = false;
ball2.ne = true;
play(getDocumentBase(),"hitwall.au");
break nw;
}
if ((ball2.y <= 10)&&(ball2.y >= 0)) {
if ((ball2.x >= pad1x - 4)&&(ball2.x <= pad1x + 6)) {
ball2.nw = false ;
ball2.sw = true ;
ball2.slope = 3;
play(getDocumentBase(),"hitpad.au");
break nw;
}
if ((ball2.x > pad1x + 6)&&(ball2.x <= pad1x + 16)) {
ball2.nw = false ;
ball2.sw = true ;
ball2.slope = 1;
play(getDocumentBase(),"hitpad.au");
break nw;
}
if ((ball2.x > pad1x + 16)&&(ball2.x <= pad1x + 26)) {
ball2.nw = false ;
ball2.sw = true ;
ball2.slope = 0;
play(getDocumentBase(),"hitpad.au");
break nw;
}
if ((ball2.x > pad1x + 26)&&(ball2.x <= pad1x + 36)) {
ball2.nw = false ;
ball2.sw = true ;
ball2.slope = 1;
play(getDocumentBase(),"hitpad.au");
break nw;
}
if ((ball2.x > pad1x + 36)&&(ball2.x <= pad1x + 46)) {
ball2.nw = false ;
ball2.se = true ;
ball2.slope = 3;
play(getDocumentBase(),"hitpad.au");
break nw;
}
}
ball2.x -= 2 + ball2.slope;
ball2.y -= 2;
}
se: if (ball2.se == true) {
if (ball2.x >= getSize().width - 9) {
ball2.se = false;
ball2.sw = true;
play(getDocumentBase(),"hitwall.au");
break se;
}
if ((ball2.y >= getSize().height - 29)&&(ball2.y <= getSize().height - 19)) {
if ((ball2.x >= padx - 29)&&(ball2.x <= padx - 19)) {
ball2.se = false;
ball2.nw = true;
ball2.slope = 3;
play(getDocumentBase(),"hitpad.au");
break se;
}
if ((ball2.x > padx - 19)&&(ball2.x <= padx - 9)) {
ball2.se = false;
ball2.ne = true;
ball2.slope = 1;
play(getDocumentBase(),"hitpad.au");
break se;
}
if ((ball2.x > padx - 9)&&(ball2.x <= padx + 1)) {
ball2.se = false;
ball2.ne = true;
ball2.slope = 0;
play(getDocumentBase(),"hitpad.au");
break se;
}
if ((ball2.x > padx + 1)&&(ball2.x <= padx + 11)) {
ball2.se = false;
ball2.ne = true;
ball2.slope = 1;
play(getDocumentBase(),"hitpad.au");
break se;
}
if ((ball2.x > padx + 11)&&(ball2.x <= padx + 21)) {
ball2.se = false;
ball2.ne = true;
ball2.slope = 3;
play(getDocumentBase(),"hitpad.au");
break se;
}
}
ball2.x += 2 + ball2.slope;
ball2.y += 2;
}
sw: if (ball2.sw == true) {
if (ball2.x <= 0) {
ball2.sw = false;
ball2.se = true;
play(getDocumentBase(),"hitwall.au");
break sw;
}
if ((ball2.y >= getSize().height - 29)&&(ball2.y <= getSize().height - 19)) {
if ((ball2.x >= padx - 29)&&(ball2.x <= padx - 19)) {
ball2.sw = false;
ball2.nw = true;
ball2.slope = 3;
play(getDocumentBase(),"hitpad.au");
break sw;
}
if ((ball2.x > padx - 19)&&(ball2.x <= padx - 9)) {
ball2.sw = false;
ball2.nw = true;
ball2.slope = 1;
play(getDocumentBase(),"hitpad.au");
break sw;
}
if ((ball2.x > padx - 9)&&(ball2.x <= padx + 1)) {
ball2.sw = false;
ball2.nw = true;
ball2.slope = 0;
play(getDocumentBase(),"hitpad.au");
break sw;
}
if ((ball2.x > padx + 1)&&(ball2.x <= padx + 11)) {
ball2.sw = false;
ball2.nw = true;
ball2.slope = 1;
play(getDocumentBase(),"hitpad.au");
break sw;
}
if ((ball2.x > padx + 11)&&(ball2.x <= padx + 21)) {
ball2.sw = false;
ball2.ne = true;
ball2.slope = 3;
play(getDocumentBase(),"hitpad.au");
break sw;
}
}
ball2.x -= 2 + ball2.slope;
ball2.y += 2;
}
}

public void physicsintro() {
if (logoxy.nw == true) {
if (logoxy.x <= 0) {
logoxy.nw = false;
logoxy.ne = true;
}
if (logoxy.y <= 0) {
logoxy.nw = false;
logoxy.sw = true;
}
logoxy.x -= 2;
logoxy.y -= 2;
}
if (logoxy.ne == true) {
if (logoxy.x >= getSize().width - 106) {
logoxy.ne = false;
logoxy.nw = true;
}
if (logoxy.y <= 0) {
logoxy.ne = false;
logoxy.se = true;
}
logoxy.x += 2;
logoxy.y -= 2;
}
if (logoxy.sw == true) {
if (logoxy.x <= 0) {
logoxy.sw = false;
logoxy.se = true;
}
if (logoxy.y >= getSize().height - 95) {
logoxy.sw = false;
logoxy.nw = true;
}
logoxy.x -= 2;
logoxy.y += 2;
}
if (logoxy.se == true) {
if (logoxy.x >= getSize().width - 106) {
logoxy.se = false;
logoxy.sw = true;
}
if (logoxy.y >= getSize().height - 95) {
logoxy.se = false;
logoxy.ne = true;
}
logoxy.x += 2;
logoxy.y += 2;
}
}

public void run() {
while (true) {
switch (gameflag) {

case INIT_ACTIVE : {
repaint();
gameflag = INTRO_ACTIVE;
try {
Thread.sleep(10);
} catch (Exception e) {
e.printStackTrace();
}
break;
}

case INTRO_ACTIVE : {
try {
Thread.sleep(10);
} catch (Exception e) {
e.printStackTrace();
}
physicsintro();
repaint();
break;
}


case GAME1_ACTIVE : {
initgame1();
while ((ball[0].y < getSize().height - 19)||(ball[1].y < getSize().height - 19)||(ball[2].y < getSize().height - 19)) {
try {
Thread.sleep(10);
} catch (Exception e) {
e.printStackTrace();
}
physicsgame1();
repaint();
}
gameover = true;
play(getDocumentBase(),"gong.au");
try {
Thread.sleep(3500);
} catch (Exception e) {
e.printStackTrace();
}
gameover = false;
gameflag = INTRO_ACTIVE;
player1 = true;
break;
}

case GAME2_ACTIVE : {
initgame2();
try {
Thread.sleep(2000);
} catch (Exception e) {
e.printStackTrace();
}
while ((ball2.y > -7)&&(ball2.y < getSize().height - 19)) {
try {
Thread.sleep(10);
} catch (Exception e) {
e.printStackTrace();
}
physicsgame2();
repaint();
}
gameover = true;
play(getDocumentBase(),"gong.au");
try {
Thread.sleep(3500);
} catch (Exception e) {
e.printStackTrace();
}
gameflag = INTRO_ACTIVE;
player1 = true;
gameover = false;
break;
}

}
}
}

public void mouseDragged(MouseEvent e) {}
public void mouseMoved(MouseEvent e) {
padx = e.getX();
repaint();
}

public void keyPressed(KeyEvent e) {
if (gameflag == INTRO_ACTIVE) {
if (e.getKeyCode() == 9) { //tab
if (player1 == true)
player1 = false;
else player1 = true;
}
if (e.getKeyCode() == 32) { //space
if (player1 == true)
gameflag = GAME1_ACTIVE;
else gameflag = GAME2_ACTIVE;
}
}
if (gameflag == GAME2_ACTIVE) {
if ((e.getKeyChar() == 115)||(e.getKeyChar() == 83)) {
if (pad1x < getSize().width - 10) pad1x += 30;
}
if ((e.getKeyChar() == 97)||(e.getKeyChar() == 65)) {
if (pad1x > 0) pad1x -= 30;
}
}
repaint();
}
public void keyReleased(KeyEvent e) {
}
public void keyTyped(KeyEvent e) {
}
}

Pong written by href="mailto:dino@scarcella.org" >Dino Scarcella.

 




  
color=#8080ff>

face=Arial>Menu
Controls:
style="COLOR: white">Tab - select

Space - start

Game Controls:

Mouse positioned on applet - move player 1

a - move player 2 left

s - move player 2 right