写一段代码 Java实现弹球小游戏
时间: 2024-01-25 10:03:09 浏览: 34
好的,以下是一个简单的弹球小游戏的Java代码实现:
```
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class BallGame extends JFrame implements ActionListener {
Timer timer;
Ball ball;
Paddle paddle;
Brick[] bricks;
public BallGame() {
setTitle("Ball Game");
setDefaultCloseOperation(EXIT_ON_CLOSE);
setVisible(true);
setResizable(false);
ball = new Ball();
paddle = new Paddle();
bricks = new Brick[30];
for (int i = 0; i < bricks.length; i++) {
bricks[i] = new Brick(40 * i + 30, 50);
}
timer = new Timer(10, this);
timer.start();
setSize(400, 600);
setLocationRelativeTo(null);
}
public void actionPerformed(ActionEvent e) {
ball.move();
paddle.move();
for (int i = 0; i < bricks.length; i++) {
if (ball.getBounds().intersects(bricks[i].getBounds())) {
ball.reverseY();
bricks[i].setDestroyed();
}
}
if (ball.getBounds().intersects(paddle.getBounds())) {
ball.reverseY();
}
if (ball.getY() > getHeight()) {
JOptionPane.showMessageDialog(this, "Game Over");
timer.stop();
dispose();
}
repaint();
}
public void paint(Graphics g) {
super.paint(g);
ball.draw(g);
paddle.draw(g);
for (int i = 0; i < bricks.length; i++) {
bricks[i].draw(g);
}
}
public static void main(String[] args) {
new BallGame();
}
class Ball {
int x, y, dx, dy, size;
public Ball() {
x = 200;
y = 500;
dx = 2;
dy = -2;
size = 20;
}
public void move() {
x += dx;
y += dy;
if (x < 0 || x > getWidth() - size) {
dx = -dx;
}
if (y < 0) {
dy = -dy;
}
}
public void reverseY() {
dy = -dy;
}
public int getX() {
return x;
}
public int getY() {
return y;
}
public Rectangle getBounds() {
return new Rectangle(x, y, size, size);
}
public void draw(Graphics g) {
g.setColor(Color.RED);
g.fillOval(x, y, size, size);
}
}
class Paddle {
int x, y, dx, sizeX, sizeY;
public Paddle() {
x = 150;
y = 550;
dx = 0;
sizeX = 100;
sizeY = 10;
}
public void move() {
x += dx;
if (x < 0) {
x = 0;
}
if (x > getWidth() - sizeX) {
x = getWidth() - sizeX;
}
}
public int getX() {
return x;
}
public int getY() {
return y;
}
public Rectangle getBounds() {
return new Rectangle(x, y, sizeX, sizeY);
}
public void draw(Graphics g) {
g.setColor(Color.BLUE);
g.fillRect(x, y, sizeX, sizeY);
}
}
class Brick {
int x, y, sizeX, sizeY;
boolean destroyed;
public Brick(int x, int y) {
this.x = x;
this.y = y;
sizeX = 40;
sizeY = 20;
destroyed = false;
}
public int getX() {
return x;
}
public int getY() {
return y;
}
public Rectangle getBounds() {
return new Rectangle(x, y, sizeX, sizeY);
}
public boolean isDestroyed() {
return destroyed;
}
public void setDestroyed() {
destroyed = true;
}
public void draw(Graphics g) {
if (!destroyed) {
g.setColor(Color.GREEN);
g.fillRect(x, y, sizeX, sizeY);
}
}
}
}
```
这个游戏包含了一个小球,一个挡板和一些砖块,玩家可以通过控制挡板来让小球弹起并击碎砖块。