1、 * 边距 public static final int LEFT_LIMIT = 10; public static final int UPER_LIMIT = 30; public static final int DOWN_LIMIT = LEN * ROW + UPER_LIMIT; public static final int RIGHT_LIMIT = LEN * COLUMN + LEFT_LIMIT; * 方向常量 public static final int UPER = 0, DOWN = 1, LEFT = 2, RIGHT = 3; * 画面布局数据存储数组 p
2、rivate static int panel = new intROWCOLUMN; * 移动方向 初始化向右 private static int direct = RIGHT; * 移动时间间隔 private static long time = 500; * 贪吃蛇数据存储容器 private static LinkedList track = new LinkedList(); * 增加移动时间间隔,上限为1000毫秒 public static void timeUp() if (time 100) time -= 100; * 获取当前时间间隔 * return time pu
3、blic static long getTime() return time; * 获取当前界面数据 * return public static int getPanel() return panel; * 设置移动方向 * param direct public static void setDirect(int direct) Config.direct = direct; * 获得移动方向 public static int getDirect() return direct; * 添加蛇头位置,如果与蛇身重复,抛出运行时异常用于结束游戏 * param x * param y pub
4、lic static void add(int x, int y) panelxy = 1; for (int arr : track) if (arr0 = x & arr1 = y) throw new RuntimeException(); track.addFirst(new int x, y ); * 移除蛇尾 public static void remove() int site = (int) track.removeLast(); panelsite0site1 = 0;import java.awt.Graphics;import javax.swing.JFrame;Su
5、ppressWarnings(serial) * 界面布局类 *public class MainPanel extends JFrame JFrame frame; Police police; public MainPanel() / TODO Auto-generated constructor stub frame = this; frame.setBounds(300, 300, Config.RIGHT_LIMIT, Config.DOWN_LIMIT); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.set
6、Visible(true); frame.setTitle(贪吃蛇); init(); private void init() new Worm(this); police = new Police(); frame.addKeyListener(police); public void paint(Graphics g) super.paint(g); paintWorm(g); private void paintWorm(Graphics g) int panel = Config.getPanel(); for (int i = 0; i Config.ROW; i+) for (in
7、t j = 0; j Config.COLUMN; j+) if (panelij = 1) g.fillRect(Config.LEFT_LIMIT + Config.LEN * j), (Config.UPER_LIMIT + Config.LEN * i), Config.LEN, Config.LEN); import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import static java.awt.event.KeyEvent.*; * 键盘监听器类public class Police implemen
8、ts KeyListener Override public void keyPressed(KeyEvent e) / TODO Auto-generated method stub char a = e.getKeyChar(); if (a = a Config.setDirect(Config.LEFT); else if (a = s Config.setDirect(Config.DOWN);d Config.setDirect(Config.RIGHT);w Config.setDirect(Config.UPER);q Config.timeUp();e Config.time
9、Down(); int i = e.getKeyCode(); if (i = VK_LEFT) else if (i = VK_DOWN) else if (i = VK_RIGHT) else if (i = VK_UP) public void keyReleased(KeyEvent e) public void keyTyped(KeyEvent e) * 贪吃蛇构造类public class Worm implements Runnable int panel; * 随机食物位置 int food = new int2; * 蛇头位置信息 int head; * 当前移动方向 in
10、t direct; public Worm(JFrame frame) this.frame = frame; panel = Config.getPanel(); direct = Config.getDirect(); head = new int2; wormInit(); new Thread(this).start(); private void wormInit() for (int i = 1;= 3; Config.add(7, i); head0 = 7; head1 = 3; public void run() try foodRandom(); while (true)
11、try Thread.sleep(Config.getTime(); catch (InterruptedException e) e.printStackTrace(); switch (Config.getDirect() case Config.UPER: if (direct = Config.DOWN) Config.setDirect(direct); break; Config.add(head0-, head1); if (head0 = food0 & head1 = food1) / 蛇头移动到食物位置后,调用产生食物方法,并不调用移除蛇尾方法 foodRandom();
12、Config.remove(); break; case Config.DOWN: if (direct = Config.UPER) Config.add(head0+, head1); case Config.LEFT: if (direct = Config.RIGHT) Config.add(head0, head1-); case Config.RIGHT: if (direct = Config.LEFT) try Config.add(head0, head1+); catch (Exception e) direct = Config.getDirect(); frame.paint(frame.getGraphics(); catch (Exception e) frame.setTitle(Game Over * 在随机位置产生食物 private void foodRandom() while (true) int x = (int) (Math.random() * Config.ROW); int y = (int) (Math.random() * Config.COLUMN); if (panelxy = 0) panelxy = 1; food0 = x; food1 = y; return;
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