import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class BrickBreaker extends JPanel implements KeyListener, ActionListener, Runnable {
private static final long serialVersionUID = 1L;
// movement keys..
private static boolean right = false;
private static boolean left = false;
private static final int brickBreadth = 30;
private static final int brickHeight = 20;
// variables declaration for brick...............................
// ===============================================================
// declaring ball, paddle,bricks
private Rectangle Ball;//
private Rectangle Bat;//
private Rectangle[] Brick;
private Rectangle background = new Rectangle(0, 0, 350, 450);
//reverses......==>
private int movex = -1;
private int movey = -1;
private boolean ballFallDown = false;
private boolean bricksOver = false;
private int count = 0;
private String status;
private JButton button;
private static enum STATUS {
START, PAUSE, RESUME, STOP
}
private static boolean PAUSE = false;
private static boolean RUNNING = false;
BrickBreaker() {
initializeVariables();
JFrame frame = new JFrame();
button = new JButton(STATUS.START.name());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// using this as parent layout exists (JFrame)
this.setPreferredSize(new Dimension(background.width, background.height));
frame.getContentPane().add(this);
frame.pack();
frame.add(button, BorderLayout.SOUTH);
// frame.setLocationRelativeTo(null);
// frame.setResizable(false);
frame.setVisible(true);
button.addActionListener(this);
this.addKeyListener(this);
this.setFocusable(true);
}
public static void main(String[] args) {
new BrickBreaker();
}
// declaring ball, paddle,bricks
public void paint(Graphics g) {
g.setColor(Color.LIGHT_GRAY);
g.fillRect(background.x, background.y, background.width, background.height);
g.setColor(Color.blue);
g.fillOval(Ball.x, Ball.y, Ball.width, Ball.height);
g.setColor(Color.green);
g.fill3DRect(Bat.x, Bat.y, Bat.width, Bat.height, true);
// this will paint below the peddle
g.setColor(Color.GRAY);
g.fillRect(0, 251, background.width, 200);
// this will draw border line
g.setColor(Color.RED);
g.drawRect(0, 0, background.width - 1, 250);
for (int i = 0; i < Brick.length; i++) {
if (Brick[i] != null) {
g.fill3DRect(Brick[i].x, Brick[i].y, Brick[i].width, Brick[i].height, true);
}
}
if (ballFallDown == true || bricksOver == true) {
Font f = new Font("Arial", Font.BOLD, 20);
g.setFont(f);
g.drawString(status, 70, 120);
ballFallDown = false;
bricksOver = false;
}
}
// /...Game Loop
public void run() {
// == ball reverses when touches the brick=======
//ballFallDown == false && bricksOver == false
while (RUNNING) {
if (PAUSE) {
sleep();
continue;
}
// if(gameOver == true){return;}
for (int i = 0; i < Brick.length; i++) {
if (Brick[i] != null) {
if (Brick[i].intersects(Ball)) {
Brick[i] = null;
// movex = -movex;
movey = -movey;
count++;
} // end of 2nd if..
} // end of 1st if..
} // end of for loop..
// /////////// =================================
if (count == Brick.length) {// check if ball hits all bricks
bricksOver = true;
status = "YOU WON THE GAME";
repaint();
}
// /////////// =================================
repaint();
Ball.x += movex;
Ball.y += movey;
if (left == true) {
Bat.x -= 3;
right = false;
}
if (right == true) {
Bat.x += 3;
left = false;
}
if (Bat.x <= 4) {
Bat.x = 4;
} else if (Bat.x >= 298) {
Bat.x = 298;
}
// /===== Ball reverses when strikes the bat
if (Ball.intersects(Bat)) {
movey = -movey;
// if(Ball.y + Ball.width >=Bat.y)
}
// //=====================================
// ....ball reverses when touches left and right boundary
if (Ball.x <= 0 || background.width - Ball.width <= Ball.x) {
movex = -movex;
} // if ends here
if (Ball.y <= 0) {// ////////////////|| bally + Ball.height >= 250
movey = -movey;
} // if ends here.....
if (Ball.y >= 250) {// when ball falls below bat game is over...
ballFallDown = true;
status = "YOU LOST THE GAME";
repaint();
button.setText(STATUS.START.toString());
break;
}
sleep();
} // while loop ends here
}
private void sleep() {
try {
Thread.sleep(10);
} catch (Exception ex) {
} // try catch ends here
}
// loop ends here
// ///////..... HANDLING KEY EVENTS................//
@Override
public void keyPressed(KeyEvent e) {
int keyCode = e.getKeyCode();
if (keyCode == KeyEvent.VK_LEFT) {
left = true;
// System.out.print("left");
}
if (keyCode == KeyEvent.VK_RIGHT) {
right = true;
// System.out.print("right");
}
}
@Override
public void keyReleased(KeyEvent e) {
int keyCode = e.getKeyCode();
if (keyCode == KeyEvent.VK_LEFT) {
left = false;
}
if (keyCode == KeyEvent.VK_RIGHT) {
right = false;
}
}
@Override
public void keyTyped(KeyEvent arg0) {
}
@Override
public void actionPerformed(ActionEvent e) {
String str = e.getActionCommand();
if (str.equals(STATUS.START.toString())) {
button.setText(STATUS.PAUSE.toString());
this.startGame();
}
if (str.equals(STATUS.PAUSE.toString())) {
PAUSE = true;
button.setText(STATUS.RESUME.toString());
}
if (str.equals(STATUS.RESUME.toString())) {
PAUSE = false;
button.setText(STATUS.PAUSE.toString());
}
// if (str.equals(STATUS.STOP.toString())) {
// RUNNING = false;
// button.setText(STATUS.START.toString());
// }
}
public void startGame() {
requestFocus(true);
initializeVariables();
Thread t = new Thread(this);
t.start();
}
public void initializeVariables() {
// default size of a brick...............................
int brickx = 70;
int bricky = 50;
RUNNING = true;
// x = 160, y = 218, width = 5, height = 5
Ball = new Rectangle(160, 218, 5, 5);
// x = 160, y = 245, width = 40, height = 5
Bat = new Rectangle(160, 245, 40, 5);
Brick = new Rectangle[12];
// //////////// =====Creating bricks for the game===>.....
createBricks(brickx, bricky);
// ===========BRICKS created for the game new ready to use===
movex = -1;
movey = -1;
ballFallDown = false;
bricksOver = false;
count = 0;
status = null;
}
public void createBricks(int brickx, int bricky) {
// //////////// =====Creating bricks for the game===>.....
/*
* creating bricks again because this for loop is out of while loop in run
* method
*/
for (int i = 0; i < Brick.length; i++) {
Brick[i] = new Rectangle(brickx, bricky, brickBreadth, brickHeight);
if (i == 5) {
brickx = 70;
bricky = (bricky + brickHeight + 2);
}
if (i == 9) {
brickx = 100;
bricky = (bricky + brickHeight + 2);
}
brickx += (brickBreadth + 1);
}
}
}
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How To Arrainge Bricks In Game
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