贪吃蛇JAVA源代码完整版.docx

1、贪吃蛇JAVA源代码完整版游戏贪吃蛇的JAVA源代码一文档说明a)本代码主要功能为实现贪吃蛇游戏，GUI界面做到尽量简洁和原游戏相仿。目前版本包含计分，统计最高分，长度自动缩短计时功能。b)本代码受计算机系大神指点，经许可后发布如下，向Java_online网致敬c)运行时请把.java文件放入default package 即可运行。二运行截图a)文件位置b)进入游戏c)游戏进行中三JAVA代码import java.awt.*;import java.awt.event.*;import static java.lang.String.format;import java.util.*;i

2、mport java.util.List;import javax.swing.*; public class Snake extends JPanel implements Runnable enum Dir up(0, -1), right(1, 0), down(0, 1), left(-1, 0); Dir(int x, int y) this.x = x; this.y = y; final int x, y; static final Random rand = new Random(); static final int WALL = -1; static final int M

3、AX_ENERGY = 1500; volatile boolean gameOver = true; Thread gameThread; int score, hiScore; int nRows = 44; int nCols = 64; Dir dir; int energy; int grid; List snake, treats; Font smallFont; public Snake() setPreferredSize(new Dimension(640, 440); setBackground(Color.white); setFont(new Font(SansSeri

4、f, Font.BOLD, 48); setFocusable(true); smallFont = getFont().deriveFont(Font.BOLD, 18); initGrid(); addMouseListener(new MouseAdapter() Override public void mousePressed(MouseEvent e) if (gameOver) startNewGame(); repaint(); ); addKeyListener(new KeyAdapter() Override public void keyPressed(KeyEvent

5、 e) switch (e.getKeyCode() case KeyEvent.VK_UP: if (dir != Dir.down) dir = Dir.up; break; case KeyEvent.VK_LEFT: if (dir != Dir.right) dir = Dir.left; break; case KeyEvent.VK_RIGHT: if (dir != Dir.left) dir = Dir.right; break; case KeyEvent.VK_DOWN: if (dir != Dir.up) dir = Dir.down; break; repaint(

6、); ); void startNewGame() gameOver = false; stop(); initGrid(); treats = new LinkedList(); dir = Dir.left; energy = MAX_ENERGY; if (score hiScore) hiScore = score; score = 0; snake = new ArrayList(); for (int x = 0; x 7; x+) snake.add(new Point(nCols / 2 + x, nRows / 2); do addTreat(); while(treats.

7、isEmpty(); (gameThread = new Thread(this).start(); void stop() if (gameThread != null) Thread tmp = gameThread; gameThread = null; tmp.interrupt(); void initGrid() grid = new intnRowsnCols; for (int r = 0; r nRows; r+) for (int c = 0; c nCols; c+) if (c = 0 | c = nCols - 1 | r = 0 | r = nRows - 1) g

8、ridrc = WALL; Override public void run() while (Thread.currentThread() = gameThread) try Thread.sleep(Math.max(75 - score, 25); catch (InterruptedException e) return; if (energyUsed() | hitsWall() | hitsSnake() gameOver(); else if (eatsTreat() score+; energy = MAX_ENERGY; growSnake(); moveSnake(); a

9、ddTreat(); repaint(); boolean energyUsed() energy -= 10; return energy 0; i-) Point p1 = snake.get(i - 1); Point p2 = snake.get(i); p2.x = p1.x; p2.y = p1.y; Point head = snake.get(0); head.x += dir.x; head.y += dir.y; void growSnake() Point tail = snake.get(snake.size() - 1); int x = tail.x + dir.x

10、; int y = tail.y + dir.y; snake.add(new Point(x, y); void addTreat() if (treats.size() 1) treats.remove(0); void drawGrid(Graphics2D g) g.setColor(Color.lightGray); for (int r = 0; r nRows; r+) for (int c = 0; c nCols; c+) if (gridrc = WALL) g.fillRect(c * 10, r * 10, 10, 10); void drawSnake(Graphic

11、s2D g) g.setColor(Color.blue); for (Point p : snake) g.fillRect(p.x * 10, p.y * 10, 10, 10); g.setColor(energy JFrame f = new JFrame(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setTitle(Snake); f.setResizable(false); f.add(new Snake(), BorderLayout.CENTER); f.pack(); f.setLocationRelativeTo(null); f.setVisible(true); );