java贪吃蛇项目涉及数据结构
时间: 2023-07-11 13:00:43 浏览: 51
是的,Java贪吃蛇项目涉及到数据结构。贪吃蛇游戏中需要用到链表数据结构来实现蛇的身体,每条蛇身体的节点都可以看做是一个链表节点。同时,游戏中还需要用到队列数据结构来存储食物,每当蛇吃掉一个食物时,需要将其从队列中删除并生成新的食物。除此之外,还可以使用栈数据结构来实现“撤销”操作,当玩家误操作时,可以通过栈来实现撤销上一步操作的功能。
相关问题
数据结构java版贪吃蛇代码
以下是一个简单的Java版贪吃蛇游戏的代码,其中使用了链表作为存储蛇身体节点的数据结构:
```
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.LinkedList;
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 LinkedList<Point> snake;
private Point food;
private int direction = KeyEvent.VK_RIGHT;
private boolean running = false;
public SnakeGame() {
setPreferredSize(new Dimension(WIDTH, HEIGHT));
setBackground(Color.BLACK);
addKeyListener(this);
setFocusable(true);
snake = new LinkedList<Point>();
snake.add(new Point(WIDTH / 2, HEIGHT / 2));
snake.add(new Point(WIDTH / 2 - SnakeNode.SIZE, HEIGHT / 2));
snake.add(new Point(WIDTH / 2 - 2 * SnakeNode.SIZE, HEIGHT / 2));
generateFood();
}
public void start() {
if (thread == null) {
thread = new Thread(this);
thread.start();
}
}
public void stop() {
if (thread != null) {
running = false;
thread = null;
}
}
public void run() {
running = true;
while (running) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
moveSnake();
checkCollisions();
repaint();
}
}
private void moveSnake() {
Point head = snake.getFirst();
int dx = 0, dy = 0;
switch (direction) {
case KeyEvent.VK_LEFT:
dx = -SnakeNode.SIZE;
break;
case KeyEvent.VK_RIGHT:
dx = SnakeNode.SIZE;
break;
case KeyEvent.VK_UP:
dy = -SnakeNode.SIZE;
break;
case KeyEvent.VK_DOWN:
dy = SnakeNode.SIZE;
break;
}
Point newHead = new Point(head.x + dx, head.y + dy);
snake.addFirst(newHead);
if (!newHead.equals(food)) {
snake.removeLast();
} else {
generateFood();
}
}
private void checkCollisions() {
Point head = snake.getFirst();
if (head.x < 0 || head.x >= WIDTH || head.y < 0 || head.y >= HEIGHT) {
stop();
}
for (int i = 1; i < snake.size(); i++) {
if (head.equals(snake.get(i))) {
stop();
}
}
}
private void generateFood() {
Random rand = new Random();
int x = rand.nextInt(WIDTH / SnakeNode.SIZE) * SnakeNode.SIZE;
int y = rand.nextInt(HEIGHT / SnakeNode.SIZE) * SnakeNode.SIZE;
food = new Point(x, y);
}
public void paint(Graphics g) {
super.paint(g);
g.setColor(Color.RED);
g.fillRect(food.x, food.y, SnakeNode.SIZE, SnakeNode.SIZE);
for (Point p : snake) {
g.setColor(Color.GREEN);
g.fillRect(p.x, p.y, SnakeNode.SIZE, SnakeNode.SIZE);
}
}
public void keyPressed(KeyEvent e) {
int key = e.getKeyCode();
if (key == KeyEvent.VK_LEFT && direction != KeyEvent.VK_RIGHT) {
direction = KeyEvent.VK_LEFT;
} else if (key == KeyEvent.VK_RIGHT && direction != KeyEvent.VK_LEFT) {
direction = KeyEvent.VK_RIGHT;
} else if (key == KeyEvent.VK_UP && direction != KeyEvent.VK_DOWN) {
direction = KeyEvent.VK_UP;
} else if (key == KeyEvent.VK_DOWN && direction != KeyEvent.VK_UP) {
direction = KeyEvent.VK_DOWN;
}
}
public void keyReleased(KeyEvent e) {
}
public void keyTyped(KeyEvent e) {
}
public static void main(String[] args) {
JFrame frame = new JFrame("Snake Game");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setResizable(false);
frame.add(new SnakeGame());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
class SnakeNode {
public static final int SIZE = 10;
}
```
注意:该代码只是一个简单的实现,还有很多可以改进的地方,比如添加难度级别、增加音效等等。
java贪吃蛇项目的优点
Java贪吃蛇项目的优点包括:
1.采用JavaGUI技术实现,使得游戏界面美观、易于操作。
2.使用JAVA语言,应用GUI的设计模式来设计系统,使系统结构清晰,易于开发和维护。
3.开发工具采用强大的Ecplise,从而开发出此款小游戏,使得开发效率高。
4.游戏功能齐全,包括蛇吃食物、蛇身碰撞,所得分数,所过关数,蛇碰墙壁等游戏功能,真正实现便捷的,简单的游戏。