给我一段贪吃蛇游戏的Java代码
时间: 2024-05-11 22:19:42 浏览: 5
好的,下面是一个简单的贪吃蛇游戏的Java代码(使用Java Swing库):
```
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;
public static final int HEIGHT = 500;
private Thread thread;
private boolean running;
private BodyPart b;
private ArrayList<BodyPart> snake;
private Food food;
private ArrayList<Food> foods;
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>();
foods = new ArrayList<Food>();
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 (foods.size() == 0) {
int xCoor = r.nextInt(49);
int yCoor = r.nextInt(49);
food = new Food(xCoor, yCoor, 10);
foods.add(food);
}
for (int i = 0; i < foods.size(); i++) {
if (xCoor == foods.get(i).getX() && yCoor == foods.get(i).getY()) {
size++;
foods.remove(i);
i++;
}
}
for (int i = 0; i < snake.size(); i++) {
if (xCoor == snake.get(i).getX() && yCoor == snake.get(i).getY()) {
if (i != snake.size() - 1) {
stop();
}
}
}
if (xCoor < 0 || xCoor > 49 || yCoor < 0 || yCoor > 49) {
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.WHITE);
for (int i = 0; i < WIDTH / 10; i++) {
g.drawLine(i * 10, 0, i * 10, HEIGHT);
}
for (int i = 0; i < HEIGHT / 10; i++) {
g.drawLine(0, i * 10, WIDTH, i * 10);
}
for (int i = 0; i < snake.size(); i++) {
snake.get(i).draw(g);
}
for (int i = 0; i < foods.size(); i++) {
foods.get(i).draw(g);
}
}
@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) {
}
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");
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
public class BodyPart {
private int xCoor, yCoor, width, height;
public BodyPart(int xCoor, int yCoor, int tileSize) {
this.xCoor = xCoor;
this.yCoor = yCoor;
width = tileSize;
height = tileSize;
}
public void tick() {
}
public void draw(Graphics g) {
g.setColor(Color.GREEN);
g.fillRect(xCoor * width, yCoor * height, width, height);
g.setColor(Color.BLACK);
g.fillRect(xCoor * width + 2, yCoor * height + 2, width - 4, height - 4);
}
public int getX() {
return xCoor;
}
public void setX(int xCoor) {
this.xCoor = xCoor;
}
public int getY() {
return yCoor;
}
public void setY(int yCoor) {
this.yCoor = yCoor;
}
}
public class Food {
private int xCoor, yCoor, width, height;
public Food(int xCoor, int yCoor, int tileSize) {
this.xCoor = xCoor;
this.yCoor = yCoor;
width = tileSize;
height = tileSize;
}
public void tick() {
}
public void draw(Graphics g) {
g.setColor(Color.RED);
g.fillRect(xCoor * width, yCoor * height, width, height);
}
public int getX() {
return xCoor;
}
public void setX(int xCoor) {
this.xCoor = xCoor;
}
public int getY() {
return yCoor;
}
public void setY(int yCoor) {
this.yCoor = yCoor;
}
}
}
```
这段代码不是最优的实现方式,仅供参考。如果你想要更好的贪吃蛇游戏代码,可以查找一些更高级的实现方式。