编写JAVA贪吃蛇代码

非常感谢您的提问！我可以为您提供一些编写JAVA贪吃蛇代码的思路和建议。首先，您需要决定使用哪种GUI库来构建图形用户界面。常见的GUI库包括Swing和JavaFX。接下来，您需要思考如何表示贪吃蛇和食物的位置和方向，并实现它们的运动和碰撞检测。最后，您需要考虑如何通过键盘输入控制贪吃蛇的方向。如果您需要更具体的帮助和代码实现，请告诉我，我会尽力为您提供帮助。

相关问题

Java编写贪吃蛇的代码

好的，以下是一个简单的Java贪吃蛇游戏的代码示例：

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.Random;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class SnakeGame extends JPanel implements Runnable, KeyListener {
    private static final long serialVersionUID = 1L;
    public static final int WIDTH = 500, HEIGHT = 500;
    private Thread thread;
    private boolean running = false;
    private BodyPart b;
    private ArrayList<BodyPart> snake;
    private Apple apple;
    private ArrayList<Apple> apples;
    private Random r;
    private int xCoor = 10, yCoor = 10;
    private int size = 5;
    private boolean right = true, left = false, up = false, down = false;
    private int ticks = 0;

    public SnakeGame() {
        setFocusable(true);
        addKeyListener(this);
        setPreferredSize(new Dimension(WIDTH, HEIGHT));

        r = new Random();

        snake = new ArrayList<BodyPart>();
        apples = new ArrayList<Apple>();

        start();
    }

    public void start() {
        running = true;
        thread = new Thread(this);
        thread.start();
    }

    public void stop() {
        running = false;
        try {
            thread.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    public void tick() {
        if (snake.size() == 0) {
            b = new BodyPart(xCoor, yCoor, 10);
            snake.add(b);
        }

        ticks++;

        if (ticks > 250000) {
            if (right)
                xCoor++;

            if (left)
                xCoor--;

            if (up)
                yCoor--;

            if (down)
                yCoor++;

            ticks = 0;

            b = new BodyPart(xCoor, yCoor, 10);
            snake.add(b);

            if (snake.size() > size) {
                snake.remove(0);
            }
        }

        if (apples.size() == 0) {
            int xCoor = r.nextInt(49);
            int yCoor = r.nextInt(49);

            apple = new Apple(xCoor, yCoor, 10);
            apples.add(apple);
        }

        for (int i = 0; i < apples.size(); i++) {
            if (xCoor == apples.get(i).getxCoor() && yCoor == apples.get(i).getyCoor()) {
                size++;
                apples.remove(i);
                i++;
            }
        }

        for (int i = 0; i < snake.size(); i++) {
            if (xCoor == snake.get(i).getxCoor() && yCoor == snake.get(i).getyCoor()) {
                if (i != snake.size() - 1) {
                    System.out.println("Game Over!");
                    stop();
                }
            }
        }

        if (xCoor < 0 || xCoor > 49 || yCoor < 0 || yCoor > 49) {
            System.out.println("Game Over!");
            stop();
        }
    }

    public void paint(Graphics g) {
        g.clearRect(0, 0, WIDTH, HEIGHT);

        g.setColor(Color.BLACK);
        g.fillRect(0, 0, WIDTH, HEIGHT);

        g.setColor(Color.GREEN);
        for (int i = 0; i < snake.size(); i++) {
            g.fillRect(snake.get(i).getxCoor() * 10, snake.get(i).getyCoor() * 10, snake.get(i).getSize(), snake.get(i).getSize());
        }

        g.setColor(Color.RED);
        for (int i = 0; i < apples.size(); i++) {
            g.fillOval(apples.get(i).getxCoor() * 10, apples.get(i).getyCoor() * 10, apples.get(i).getSize(), apples.get(i).getSize());
        }
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        SnakeGame game = new SnakeGame();

        frame.add(game);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setTitle("Snake Game");
        frame.pack();
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }

    @Override
    public void run() {
        while (running) {
            tick();
            repaint();
        }
    }

    @Override
    public void keyPressed(KeyEvent e) {
        int key = e.getKeyCode();

        if (key == KeyEvent.VK_RIGHT && !left) {
            up = false;
            down = false;
            right = true;
        }

        if (key == KeyEvent.VK_LEFT && !right) {
            up = false;
            down = false;
            left = true;
        }

        if (key == KeyEvent.VK_UP && !down) {
            left = false;
            right = false;
            up = true;
        }

        if (key == KeyEvent.VK_DOWN && !up) {
            left = false;
            right = false;
            down = true;
        }
    }

    @Override
    public void keyReleased(KeyEvent arg0) {
    }

    @Override
    public void keyTyped(KeyEvent arg0) {
    }
}

class BodyPart {
    private int xCoor, yCoor, size;

    public BodyPart(int xCoor, int yCoor, int size) {
        this.xCoor = xCoor;
        this.yCoor = yCoor;
        this.size = size;
    }

    public void setxCoor(int xCoor) {
        this.xCoor = xCoor;
    }

    public void setyCoor(int yCoor) {
        this.yCoor = yCoor;
    }

    public int getxCoor() {
        return xCoor;
    }

    public int getyCoor() {
        return yCoor;
    }

    public int getSize() {
        return size;
    }
}

class Apple {
    private int xCoor, yCoor, size;

    public Apple(int xCoor, int yCoor, int size) {
        this.xCoor = xCoor;
        this.yCoor = yCoor;
        this.size = size;
    }

    public void setxCoor(int xCoor) {
        this.xCoor = xCoor;
    }

    public void setyCoor(int yCoor) {
        this.yCoor = yCoor;
    }

    public int getxCoor() {
        return xCoor;
    }

    public int getyCoor() {
        return yCoor;
    }

    public int getSize() {
        return size;
    }
}

这个示例代码中实现了一个简单的贪吃蛇游戏，包括蛇的移动、食物的生成、碰撞检测等基本功能。你可以根据自己的需求进行修改和扩展。

用java语言编写贪吃蛇代码

好的，以下是一个简单的Java语言贪吃蛇代码示例：

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

public class SnakeGame extends JPanel implements ActionListener {
    private final int WIDTH = 300;
    private final int HEIGHT = 300;
    private final int DOT_SIZE = 10;
    private final int ALL_DOTS = 900;
    private final int RAND_POS = 29;
    private final int DELAY = 140;

    private int x[] = new int[ALL_DOTS];
    private int y[] = new int[ALL_DOTS];

    private int dots;
    private int apple_x;
    private int apple_y;

    private boolean leftDirection = false;
    private boolean rightDirection = true;
    private boolean upDirection = false;
    private boolean downDirection = false;
    private boolean inGame = true;

    private Timer timer;
    private Image ball;
    private Image apple;
    private Image head;

    public SnakeGame() {
        initBoard();
    }

    private void initBoard() {
        addKeyListener(new TAdapter());
        setBackground(Color.black);
        setFocusable(true);

        setPreferredSize(new Dimension(WIDTH, HEIGHT));
        loadImages();
        initGame();
    }

    private void loadImages() {
        ImageIcon iid = new ImageIcon("dot.png");
        ball = iid.getImage();

        ImageIcon iia = new ImageIcon("apple.png");
        apple = iia.getImage();

        ImageIcon iih = new ImageIcon("head.png");
        head = iih.getImage();
    }

    private void initGame() {
        dots = 3;

        for (int z = 0; z < dots; z++) {
            x[z] = 50 - z * 10;
            y[z] = 50;
        }

        locateApple();

        timer = new Timer(DELAY, this);
        timer.start();
    }

    @Override
    public void paintComponent(Graphics g) {
        super.paintComponent(g);

        doDrawing(g);
    }

    private void doDrawing(Graphics g) {
        if (inGame) {
            g.drawImage(apple, apple_x, apple_y, this);

            for (int z = 0; z < dots; z++) {
                if (z == 0) {
                    g.drawImage(head, x[z], y[z], this);
                } else {
                    g.drawImage(ball, x[z], y[z], this);
                }
            }

            Toolkit.getDefaultToolkit().sync();
        } else {
            gameOver(g);
        }
    }

    private void gameOver(Graphics g) {
        String msg = "Game Over";
        Font small = new Font("Helvetica", Font.BOLD, 14);
        FontMetrics metr = getFontMetrics(small);

        g.setColor(Color.white);
        g.setFont(small);
        g.drawString(msg, (WIDTH - metr.stringWidth(msg)) / 2,
                HEIGHT / 2);
    }

    private void checkApple() {
        if ((x[0] == apple_x) && (y[0] == apple_y)) {
            dots++;
            locateApple();
        }
    }

    private void move() {
        for (int z = dots; z > 0; z--) {
            x[z] = x[(z - 1)];
            y[z] = y[(z - 1)];
        }

        if (leftDirection) {
            x[0] -= DOT_SIZE;
        }

        if (rightDirection) {
            x[0] += DOT_SIZE;
        }

        if (upDirection) {
            y[0] -= DOT_SIZE;
        }

        if (downDirection) {
            y[0] += DOT_SIZE;
        }
    }

    private void checkCollision() {
        for (int z = dots; z > 0; z--) {
            if ((z > 4) && (x[0] == x[z]) && (y[0] == y[z])) {
                inGame = false;
            }
        }

        if (y[0] >= HEIGHT) {
            inGame = false;
        }

        if (y[0] < 0) {
            inGame = false;
        }

        if (x[0] >= WIDTH) {
            inGame = false;
        }

        if (x[0] < 0) {
            inGame = false;
        }

        if(!inGame) {
            timer.stop();
        }
    }

    private void locateApple() {
        Random rand = new Random();
        int r = rand.nextInt(RAND_POS);
        apple_x = ((r * DOT_SIZE));

        r = rand.nextInt(RAND_POS);
        apple_y = ((r * DOT_SIZE));
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if (inGame) {
            checkApple();
            checkCollision();
            move();
        }

        repaint();
    }

    private class TAdapter extends KeyAdapter {
        @Override
        public void keyPressed(KeyEvent e) {
            int key = e.getKeyCode();

            if ((key == KeyEvent.VK_LEFT) && (!rightDirection)) {
                leftDirection = true;
                upDirection = false;
                downDirection = false;
            }

            if ((key == KeyEvent.VK_RIGHT) && (!leftDirection)) {
                rightDirection = true;
                upDirection = false;
                downDirection = false;
            }

            if ((key == KeyEvent.VK_UP) && (!downDirection)) {
                upDirection = true;
                rightDirection = false;
                leftDirection = false;
            }

            if ((key == KeyEvent.VK_DOWN) && (!upDirection)) {
                downDirection = true;
                rightDirection = false;
                leftDirection = false;
            }
        }
    }
}

这段代码实现了一个基本的贪吃蛇游戏，使用Java语言编写。其中包含了贪吃蛇的移动、吃苹果、游戏结束等逻辑。你可以在Java编译器中编译并运行该代码。