package Snake;
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import java.awt.Color;
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import java.awt.Graphics;
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import java.awt.Image;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.KeyEvent;
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import java.awt.event.KeyListener;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.io.File;
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import java.io.IOException;
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import java.text.BreakIterator;
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import javax.crypto.spec.IvParameterSpec;
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import javax.imageio.ImageIO;
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import javax.swing.JButton;
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import javax.swing.JPanel;
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import javax.swing.text.html.CSS;
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public class ShellWin extends JPanel implements ActionListener,Runnable,KeyListener{
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JButton startGame=new JButton("开始");
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JButton stopGame=new JButton("停止");
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int fang;
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int chang;
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int fen=0;
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int[] xs=new int[400];
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int[] ys=new int[400];
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int douX;int douY;
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Thread nThread;
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public ShellWin()
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{
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nThread=new Thread(this);
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this.add(startGame);this.add(stopGame);
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this.startGame.addActionListener(this);
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this.addKeyListener(this);
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造蛇();
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造豆();
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}
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public void paintComponent(Graphics g)
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{
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super.paintComponent(g);
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g.drawString("分数:"+fen, 50, 50);
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g.drawRect(100,100, 600, 600);
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显示蛇(g);
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显示豆(g);
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}
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@Override
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public void actionPerformed(ActionEvent e) {
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if(e.getSource()==startGame)
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{
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this.requestFocus();
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nThread.start();
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this.repaint();
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}
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}
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//能不能吃豆，能不能死
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void 死()
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{
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System.out.println("死了!");
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}
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void 吃()
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{
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chang++;
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this.fen+=100;
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造豆();
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}
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boolean 能出界死吗()
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{
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if(xs[0]==70||xs[0]==700||ys[0]==70||ys[0]==700)
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{
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return true;
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}
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return false;
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}
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void 转向(int 新方向)
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{
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if(fang%2!=新方向%2)
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{
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fang=新方向;
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}
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}
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boolean 吃自己了吗()
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{
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for (int i = 1; i < chang; i++) {
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if(xs[0]==xs[i]&&ys[0]==ys[i])
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{
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return true;
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}
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}
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return false;
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}
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boolean 能吃豆吗()
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{
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if(xs[0]==douX&&ys[0]==douY)
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{
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return true;
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}
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return false;
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}
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void 造蛇()
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{
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fang=2;chang=5;
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for (int i = 0; i < chang; i++) {
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xs[i]=400;
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ys[i]=400+30*i;
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}
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}
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void 造豆()
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{
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douX=30*(int)(Math.random()*19)+100;
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douY=30*(int)(Math.random()*19)+100;
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for (int i = 0; i < chang; i++) {
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if(xs[i]==douX&&ys[i]==douY)
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{
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造豆();
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return;
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}
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}
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}
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void 显示豆(Graphics g)
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{
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g.setColor(Color.RED);
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g.fillOval(douX, douY, 30, 30);
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}
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void 爬()
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{
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for (int i = chang-1; i >0; i--) {
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xs[i]=xs[i-1];
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ys[i]=ys[i-1];
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}
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switch (fang) {
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case 1:
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xs[0]=xs[0]+30;
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break;
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case 2:
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ys[0]=ys[0]-30;
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break;
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case 3:
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xs[0]=xs[0]-30;
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break;
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case 4:
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ys[0]=ys[0]+30;
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break;
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default:
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break;
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}
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}
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void 显示蛇(Graphics g)
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{
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for (int i = 0; i < chang; i++) {
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g.setColor(Color.BLUE);
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g.drawRect(xs[i], ys[i], 30, 30);
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}
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}
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@Override
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public void run() {
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while(true)
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{
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try {
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if(能吃豆吗())
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{
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吃();
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}
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if(能出界死吗())
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{
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死();
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return;
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}
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if(吃自己了吗())
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{
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死();
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return;
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}
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爬();
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Thread.sleep(80);
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repaint();
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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void 转向()
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{
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}
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@Override
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public void keyPressed(KeyEvent e) {
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switch (e.getKeyCode()) {
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case KeyEvent.VK_UP:
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转向(2);
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break;
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case KeyEvent.VK_DOWN:
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转向(4);
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break;
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case KeyEvent.VK_LEFT:
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转向(3);
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break;
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case KeyEvent.VK_RIGHT:
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转向(1);
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break;
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default:
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break;
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}
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}
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@Override
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public void keyReleased(KeyEvent e) {
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// TODO Auto-generated method stub
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}
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@Override
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public void keyTyped(KeyEvent e) {
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// TODO Auto-generated method stub
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}
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}
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