tanchishe

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

public class She extends JFrame implements ActionListener, WindowListener {
 JLabel bt1;
 JLabel bt2;
 MyPaint mp;
 JMenuItem kaishi;
 JMenuItem zanting;
 JMenuItem tuichu;

 JRadioButton chu;
 JRadioButton zhong;
 JRadioButton gao;
 JRadioButton chao;

 JMenuItem guanyu;
 Font f;
 public She() {
  f = new Font("宋体", Font.PLAIN, 12);
  mp = new MyPaint();
  mp.setShe(this);

  JMenuBar caidan = new JMenuBar();
  JMenu shezhi = new JMenu("设置");
  shezhi.setFont(f);
  JMenu nandu = new JMenu("难度");
  nandu.setFont(f);
  JMenu bangzhu = new JMenu("帮助");
  bangzhu.setFont(f);
  caidan.add(shezhi);
  caidan.add(nandu);
  caidan.add(bangzhu);

  kaishi = new JMenuItem("开始游戏 F2");
  kaishi.setFont(f);
  kaishi.addActionListener(this)；
zanting = new JMenuItem("暂停/继续 F3");
  zanting.setFont(f);
  zanting.addActionListener(this);
  tuichu = new JMenuItem("退出 F4");
  tuichu.setFont(f);
  tuichu.addActionListener(this);

  chu = new JRadioButton("初级,最快速度195", true);
  chu.setFont(f);
  chu.addActionListener(this);
  zhong = new JRadioButton("中级,最快速度225");
  zhong.setFont(f);
  zhong.addActionListener(this);
  gao = new JRadioButton("高级,最快速度255");
  gao.setFont(f);
  gao.addActionListener(this);
  chao = new JRadioButton("超级,最快速度275");
  chao.setFont(f);
  chao.addActionListener(this);
  ButtonGroup bg = new ButtonGroup();
  bg.add(chu);
  bg.add(zhong);
  bg.add(gao);
  bg.add(chao);
  nandu.add(chu);
  nandu.add(zhong);
  nandu.add(gao);
  nandu.add(chao);

  guanyu = new JMenuItem("关于");
  guanyu.setFont(f);
  guanyu.addActionListener(this);

  shezhi.add(kaishi);
  shezhi.add(zanting);
  shezhi.add(tuichu);

  bangzhu.add(guanyu);
bt1 = new JLabel("　长度：0");
  bt1.setFont(f);
  bt2 = new JLabel("移动：5");
  bt2.setFont(f);
  JPanel p = new JPanel();
  p.setLayout(new GridLayout(1, 2));
  p.add(bt1);
  p.add(bt2);

  this.addWindowListener(this);//添加窗体监听器
  this.setJMenuBar(caidan);
  this.add(p, BorderLayout.NORTH);
  this.add(mp);
  this.add(new JLabel("　"),  BorderLayout.WEST);
  this.setSize(335, 385);
  this.setResizable(false);
  this.setLocation(300, 150);
  this.setTitle("MyPaint");
  this.setVisible(true);
 }
 public void setDS(int a, int b) {
  bt1.setText("　长度：" + a);
  bt2.setText("移动：" + b);
 }
 public void setChu() {
  chu.setSelected(true);
  mp.setSD(300, 110);
  this.setDS(0, 305 - 300);
  chu.setEnabled(true);
  zhong.setEnabled(true);
  gao.setEnabled(true);
  chao.setEnabled(true);
 }
 public void setNanDu() {
  chu.setEnabled(false);
  zhong.setEnabled(false);
  gao.setEnabled(false);
  chao.setEnabled(false);
 }
 public void 
actionPerformed(ActionEvent e) {
  if (e.getSource() == zanting) {
   mp.setZanTing();
  }
  else if (e.getSource() == kaishi) {
   mp.setKaiShi();
  }
  else if (e.getSource() == tuichu) {
   mp.setTuiChu();
  }
  else if (e.getSource() == guanyu) {
   JLabel gy = new JLabel("小游戏 贪吃蛇 V1.0");
   gy.setFont(f);
   JOptionPane.showMessageDialog(this, gy);
  }
  else if (e.getSource() == chu) {
   mp.setSD(300, 110);
   this.setDS(0, 305 - 300);
  }
  else if (e.getSource() == zhong) {
   mp.setSD(250, 80);
   this.setDS(0, 305 - 250);
  }
  else if (e.getSource() == gao) {
   mp.setSD(200, 50);
   this.setDS(0, 305 - 200);
  }
  else if (e.getSource() == chao) {
   mp.setSD(150, 30);
   this.setDS(0, 305 - 150);
  }
 }
 public static void main(String[] args) {
  new She();
 }

 /**
  * Method windowOpened
  *
  *
 * @param e
  *
  */
 public void windowOpened(WindowEvent e) {
  // TODO: Add your code here
 }

 public void windowClosing(WindowEvent e) {
  System.exit(0);
 }
 public void windowClosed(WindowEvent e) {
  // TODO: Add your code here
 }
 public void windowIconified(WindowEvent e) {
  // TODO: Add your code here
 }
 public void windowDeiconified(WindowEvent e) {
  // TODO: Add your code here
 }
 public void windowActivated(WindowEvent e) {
  // TODO: Add your code here
 }
 public void windowDeactivated(WindowEvent e) {
  // TODO: Add your code here
 }
}
class MyPaint extends JPanel implements Runnable, KeyListener, FocusListener {
 She s;
 Font f = new Font("宋体", Font.PLAIN, 12);
 int x = 150;
 int y = 0;
 Random r = new Random();
 int sjx = r.nextInt(300)/10*10;
 int sjy = r.nextInt(300)/10*10;
 int fx = 2;
 int sw = 0;
 int sd = 300;
 int cs = 0;
 int d = 150;
 String[] zx = new String[1000];
 boolean zanting = false;
 boolean zanting1 = false;
 boolean siwang = false;
 boolean shenti = false;
 public MyPaint() {
  Thread t = new Thread(this);
  t.start();
  this.addKeyListener(this);
  this.setFocusable(true);
  this.addFocusListener(this);
 }
 public void setShe(She ss) {
  s = ss;
 }

 public void setZanTing() {
  if (zanting) {
   zanting = false;
  }
  else {
   zanting = true;
  }
 }
 public void setKaiShi() {
  JLabel ks = new JLabel("是否重新开始？");
  ks.setFont(f);
  int a = JOptionPane.showConfirmDialog(s, ks);
  if (a == 0) {
   x = 150;
   y = 0;
   sjx = r.nextInt(300)/10*10;
   sjy = r.nextInt(300)/10*10;
   fx = 2;
   sw = 0;
   sd = 300;
   cs = 0;
zanting = false;
   siwang = false;
   shenti = false;
   s.setChu();
   s.setDS(sw, 305 - sd);
  }
 }
 public void setTuiChu() {
  JLabel tc = new JLabel("确定退出吗？");
  tc.setFont(f);
  int a = JOptionPane.showConfirmDialog(s, tc);
  if (a == 0) {
   s.dispose();
   System.exit(0);
  }
 }
 public void setSD(int a, int b) {
  sd = a;
  d = b;
 }
 public void paint(Graphics g) {

  zx[cs] = x + "/" + y;
  super.paint(g);
  g.setColor(Color.BLACK);
  g.drawRect(0, 0, 300, 300);

  g.setColor(Color.BLACK);
  g.fillRect(sjx, sjy, 10, 10);

  g.setColor(Color.BLUE);
  g.fillRect(x, y, 10, 10);

  g.setColor(Color.RED);
  for (int i = 1; i <= sw; i++) {
   int j = cs - i;
   if (j < 0) {
    j = cs-i+999+1;
   }
   String[] s = zx[j].split("/");
   if (x == Integer.parseInt(s[0]) && y == Integer.parseInt(s[1])) {//蛇撞到自己身上了
    siwang = true;
    shenti = true;
   }
   if (sjx == Integer.parseInt(s[0]) && sjy == Integer.parseInt(s[1])) {//食物在蛇身体上
    g.setColor(Color.BLACK);
    g.fillRect(sjx, sjy, 10, 10);
    g.setColor(Color.RED);
    continue;
   }
   g.fillRect(Integer.parseInt(s[0]), Integer.parseInt(s[1]), 10, 10);
  }
 }
 public void run() {
  while (true) {
   cs++;

   if (cs == 1000) {
    cs = 0;
   }
   switch (fx) {
    case 1:
     y-=10;//上
     break;
    case 2:
     y+=10;//下
     break;
    case 3:
     x-=10;//左
     break;
    case 4:
     x+=10;//右
     break;
   }
   this.repaint();

   if (x == sjx && y == sjy) {
    sjx = r.nextInt(300)/10*10;
    sjy = r.nextInt(300)/10*10;
sw++;
    if (sw == 1) {
     s.setNanDu();
    }

    if (sd <= d) {
     sd = d;
    }
    else {
     sd-=5;
    }
    s.setDS(sw, 305 - sd);
   }

   if (x < 0 || x > 290 || y < 0 || y > 290 || shenti) {
    JOptionPane.showMessageDialog(s, "游戏结束！");
    siwang = true;
    shenti = false;
   }

   while (zanting || zanting1) {
    try {
    Thread.sleep(100);
    }
    catch (Exception e) {
    }
   }
   while (siwang) {
    try {
     Thread.sleep(100);
    }
    catch (Exception e) {

    }
   }
   try {
    Thread.sleep(sd);
   }
   catch (Exception e) {
   }
  }
 }
 public void keyPressed(KeyEvent e) {
  switch (e.getKeyCode()) {
   case 38:
    fx = 1;//上
    break;
   case 40:
    fx = 2;//下
    break;
   case 37:
    fx = 3;//左
    break;
   case 39:
    fx = 4;//右
    break;
   case KeyEvent.VK_F3:
    this.setZanTing();
    break;
   case KeyEvent.VK_F2:
    this.setKaiShi();
    break;
   case KeyEvent.VK_F4:
    this.setTuiChu();
    break;
  }
 }
 public void keyReleased(KeyEvent e) {
 }
 public void keyTyped(KeyEvent e) {
 }

 public void focusGained(FocusEvent e) {
  zanting1 = false;
 }
 public void focusLost(FocusEvent e) {
  zanting1 = true;
 }

}