java打砖块游戏代码

Java打砖块游戏是一个经典的小游戏，下面是一个简单的Java打砖块游戏的代码示例：

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class BrickBreaker extends JFrame implements ActionListener {
    private Timer timer;
    private boolean play = false;
    private int score = 0;

    private int paddleX = 310;
    private int ballPosX = 120;
    private int ballPosY = 350;
    private int ballXDir = -1;
    private int ballYDir = -2;

    private int[][] bricks;
    private int brickRows = 3;
    private int brickCols = 7;

    public BrickBreaker() {
        bricks = new int[brickRows][brickCols];
        for (int i = 0; i < brickRows; i++) {
            for (int j = 0; j < brickCols; j++) {
                bricks[i][j] = 1;
            }
        }

        setTitle("Brick Breaker");
        setResizable(false);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setSize(800, 600);
        setLocationRelativeTo(null);

        addKeyListener(new KeyAdapter() {
            public void keyPressed(KeyEvent e) {
                if (e.getKeyCode() == KeyEvent.VK_RIGHT) {
                    if (paddleX >= 600) {
                        paddleX = 600;
                    } else {
                        moveRight();
                    }
                }

                if (e.getKeyCode() == KeyEvent.VK_LEFT) {
                    if (paddleX <= 10) {
                        paddleX = 10;
                    } else {
                        moveLeft();
                    }
                }

                if (e.getKeyCode() == KeyEvent.VK_ENTER) {
                    if (!play) {
                        play = true;
                        ballPosX = 120;
                        ballPosY = 350;
                        ballXDir = -1;
                        ballYDir = -2;
                        paddleX = 310;
                        score = 0;

                        bricks = new int[brickRows][brickCols];
                        for (int i = 0; i < brickRows; i++) {
                            for (int j = 0; j < brickCols; j++) {
                                bricks[i][j] = 1;
                            }
                        }

                        repaint();
                    }
                }
            }
        });

        timer = new Timer(8, this);
        timer.start();
        setVisible(true);
    }

    public void paint(Graphics g) {
        // 绘制背景
        g.setColor(Color.black);
        g.fillRect(1, 1, 792, 592);

        // 绘制砖块
        for (int i = 0; i < brickRows; i++) {
            for (int j = 0; j < brickCols; j++) {
                if (bricks[i][j] == 1) {
                    g.setColor(Color.white);
                    g.fillRect(j * 110 + 30, i * 50 + 50, 100, 40);
                }
            }
        }

        // 绘制球拍
        g.setColor(Color.green);
        g.fillRect(paddleX, 550, 100, 8);

        // 绘制球
        g.setColor(Color.yellow);
        g.fillOval(ballPosX, ballPosY, 20, 20);

        // 绘制得分
        g.setColor(Color.white);
        g.setFont(new Font("serif", Font.BOLD, 25));
        g.drawString("" + score, 700, 30);

        if (ballPosY > 570) {
            play = false;
            ballXDir = 0;
            ballYDir = 0;

            g.setColor(Color.red);
            g.setFont(new Font("serif", Font.BOLD, 30));
            g.drawString("Game Over, Score: " + score, 190, 300);

            g.setFont(new Font("serif", Font.BOLD, 20));
            g.drawString("Press Enter to Restart", 290, 350);
        }

        g.dispose();
    }

    public void moveRight() {
        play = true;
        paddleX += 20;
    }

    public void moveLeft() {
        play = true;
        paddleX -= 20;
    }

    public void actionPerformed(ActionEvent e) {
        timer.start();

        if (play) {
            if (new Rectangle(ballPosX, ballPosY, 20, 20).intersects(new Rectangle(paddleX, 550, 100, 8))) {
                ballYDir = -ballYDir;
            }

            A: for (int i = 0; i < brickRows; i++) {
                for (int j = 0; j < brickCols; j++) {
                    if (bricks[i][j] == 1) {
                        int brickX = j * 110 + 30;
                        int brickY = i * 50 + 50;
                        int brickWidth = 100;
                        int brickHeight = 40;

                        Rectangle rect = new Rectangle(brickX, brickY, brickWidth, brickHeight);
                        Rectangle ballRect = new Rectangle(ballPosX, ballPosY, 20, 20);
                        Rectangle brickRect = rect;

                        if (ballRect.intersects(brickRect)) {
                            bricks[i][j] = 0;
                            score += 5;

                            if (ballPosX + 19 <= brickRect.x || ballPosX + 1 >= brickRect.x + brickRect.width) {
                                ballXDir = -ballXDir;
                            } else {
                                ballYDir = -ballYDir;
                            }

                            break A;
                        }
                    }
                }
            }

            ballPosX += ballXDir;
            ballPosY += ballYDir;

            if (ballPosX < 0) {
                ballXDir = -ballXDir;
            }

            if (ballPosY < 0) {
                ballYDir = -ballYDir;
            }

            if (ballPosX > 770) {
                ballXDir = -ballXDir;
            }
        }

        repaint();
    }

    public static void main(String[] args) {
        new BrickBreaker();
    }
}

这段代码实现了一个简单的打砖块游戏，包括砖块、球拍、球和得分的绘制，以及键盘事件的处理。你可以在Java环境中运行该代码，通过方向键控制球拍的移动，按下回车键开始游戏。当球碰到砖块时，砖块消失并增加得分。当球触底时，游戏结束并显示最终得分。