package com.dq.ui;
import java.awt.Color;import java.awt.Graphics;import java.awt.Image;import java.awt.Point;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.KeyAdapter;import java.awt.event.KeyEvent;import java.io.File;import java.io.FileWriter;import java.io.IOException;import java.util.LinkedList;import java.util.Random;
import javax.swing.ImageIcon;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.Timer;
import com.dq.utils.PlayMusicUtil;import com.dq.utils.PropertiesUtils;
/** * @author dq * */public class SnakeFrame extends JFrame{
  private static final long serialVersionUID = 8866826595307493727L;    private static final int WIDTH = 800; //   private static final int HEIGHT = 600;   private static final int CELL = 20;     private JLabel snakeHeader;    private JLabel fruit;      private Random random = new Random();      private int dir = 1;     private LinkedList<JLabel> bodies = new LinkedList<JLabel>();    private String[] fruits = {"pineapple.png","apple.png","cherry.png","grape.png","orange.png","peach.png","strawberry.png","tomato.png"};    private String[] snakeBody = {"green.png","red.png","yellow.png","purple.png"};    private JLabel highestLabel;   private JLabel currentLabel;   private int highestScore;   private int currentScore;  private PropertiesUtils prop = PropertiesUtils.getInstance();    private Timer timer;    private boolean status = true;      public SnakeFrame(){        ImageIcon icon = new ImageIcon("./src/com/dq/images/snake.jpg");    this.setIconImage(icon.getImage());    this.setTitle("贪吃蛇   DQ制作");    this.setSize(WIDTH+4, HEIGHT+34);    this.setLocationRelativeTo(null);    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);    this.setResizable(false);    this.setLayout(null);
    SnakePanel snakePanel = new SnakePanel();    snakePanel.setBounds(0, 0, WIDTH, HEIGHT);    this.add(snakePanel);    
    this.addKeyListener(new KeyAdapter() {            @Override      public void keyPressed(KeyEvent e) {          int keyCode = e.getKeyCode();                  switch (keyCode) {          case KeyEvent.VK_LEFT:             if(dir != SnakeDirection.RIGHT){               dir = SnakeDirection.LEFT;              setBackgrounImage(snakeHeader, "header_l.png");            }            break;          case KeyEvent.VK_RIGHT:             if(dir != SnakeDirection.LEFT){               dir = SnakeDirection.RIGHT;              setBackgrounImage(snakeHeader, "header_r.png");            }            break;          case KeyEvent.VK_UP:             if(dir != SnakeDirection.BOTTOM){              dir = SnakeDirection.TOP;              setBackgrounImage(snakeHeader, "header_t.png");            }            break;          case KeyEvent.VK_DOWN:             if(dir != SnakeDirection.TOP){              dir = SnakeDirection.BOTTOM;              setBackgrounImage(snakeHeader, "header_b.png");            }            break;          case KeyEvent.VK_SPACE: //            if(status){ //              status = !status;//            }else{//              status = !status;//              timer.notify();//            }                    }              }    });        this.setVisible(true);    
    PlayMusicUtil.playBGM();        new Timer(98000, new ActionListener() {            @Override      public void actionPerformed(ActionEvent e) {                PlayMusicUtil.playBGM();      }    }).start();          }    private void setBackgrounImage(JLabel label,String fileName){        ImageIcon icon = new ImageIcon("./src/com/dq/images/"+fileName);    icon.setImage( icon.getImage().        getScaledInstance(label.getWidth(),label.getHeight(),Image.SCALE_DEFAULT));    label.setIcon(icon);  }    class SnakePanel extends JPanel{        private static final long serialVersionUID = 1L;
    public SnakePanel(){      init();    }
    private void init() {            this.setSize(SnakeFrame.WIDTH, SnakeFrame.HEIGHT);      this.setLayout(null);            highestLabel = new JLabel();      highestScore = Integer.parseInt(prop.getProperty("highest"));      highestLabel.setText("历史最高分"+highestScore);      highestLabel.setBounds(20, 20, 300, 30);      this.add(highestLabel);            currentLabel = new JLabel("当前得分"+currentScore);      currentLabel.setBounds(20, 60, 300, 30);      this.add(currentLabel);            createHeader();            new Thread(new Runnable() {                @Override        public void run() {          createFruit();        }      }).start();                  timer = new Timer(250, new ActionListener() {                @Override        public void actionPerformed(ActionEvent e) {          Point oldPoint = snakeHeader.getLocation();          Point newPoint = null;                    switch (dir) {            case SnakeDirection.RIGHT: //鍚戝彸              newPoint = new Point(oldPoint.x+CELL, oldPoint.y);              break;            case SnakeDirection.LEFT: //鍚戝乏              newPoint = new Point(oldPoint.x-CELL, oldPoint.y);              break;            case SnakeDirection.BOTTOM: //鍚戜笅              newPoint = new Point(oldPoint.x, oldPoint.y+CELL);              break;            case SnakeDirection.TOP: //鍚戜笂              newPoint = new Point(oldPoint.x, oldPoint.y-CELL);              break;          }                    snakeHeader.setLocation(newPoint);          isHeatWall();                    if(snakeHeader.getLocation().equals( fruit.getLocation())){            eatBean();          }                    move(oldPoint);        }
      
              });      timer.start();                }        private void move(Point oldPoint) {            Point p = new Point();      for(int i=1;i<bodies.size();i++){        p = bodies.get(i).getLocation();        bodies.get(i).setLocation(oldPoint);        oldPoint = p;      }          }    
    private void eatBean() {            int index = random.nextInt( snakeBody.length);      setBackgrounImage(fruit, snakeBody[index]);      bodies.add(fruit);      new Thread(new Runnable() {                @Override        public void run() {          PlayMusicUtil.playEatBean();        }      }).start();            currentScore++;      currentLabel.setText("褰撳墠寰楀垎锛�"+currentScore);          //      new Thread( new Runnable() {//        //        @Override//        public void run() {//          //          createFruit();//        }//      }).start();      new Thread( ()->{createFruit();}).start();           }        private void isHeatWall() {            int x = snakeHeader.getLocation().x;      int y = snakeHeader.getLocation().y;            if(x <0 || x >780 || y<0 || y>580){                new Thread( new Runnable() {                    @Override          public void run() {            PlayMusicUtil.stopBGM();            PlayMusicUtil.playGameOver();          }        }).start();                int op = -1;        if(currentScore > highestScore){          op = JOptionPane.showConfirmDialog(null, "鍝﹁眮锛佺牬绾綍浜嗗摝锛佸啀鏉ヤ竴鎶婏紵");          prop.setProperty("highest", currentScore+"");          try {            FileWriter writer = new FileWriter(new File("./src/score.properties"));            prop.store(writer, null);          } catch (IOException e) {            e.printStackTrace();          }        }else{          op = JOptionPane.showConfirmDialog(null, "你死了");        }                //鍒ゆ柇鏄惁鍐嶆潵涓�鎶�        if(op == 0){                    reStart();        }else{                    System.exit(0);                }      }    }
    private void createFruit() {            fruit = new JLabel();      fruit.setSize(CELL, CELL);            int index = random.nextInt( fruits.length);      setBackgrounImage(fruit, fruits[index]);            Point p = randomPoint(SnakeFrame.WIDTH/CELL, SnakeFrame.HEIGHT/CELL);      System.out.println("x:"+p.x+" y:"+p.y);      fruit.setLocation(p);            this.add(fruit);      this.repaint();    }
    private void createHeader() {            snakeHeader = new JLabel();      snakeHeader.setSize(CELL, CELL);//      snakeHeader.setOpaque(false);            setBackgrounImage(snakeHeader, "header_r.png");            Point p = randomPoint((SnakeFrame.WIDTH/CELL)/2, (SnakeFrame.HEIGHT/CELL)/2);      p.x = p.x+10*CELL;      p.y = p.y+10*CELL;      snakeHeader.setLocation(p);                  bodies.add(snakeHeader);            this.add(snakeHeader);    }                private Point randomPoint(int xScale,int yScale){            Point point = new Point();      int x = random.nextInt(xScale)*CELL;      int y = random.nextInt(yScale)*CELL;                        point.setLocation(x, y);      return point;    }          @Override    protected void paintComponent(Graphics g) {      super.paintComponent(g);            ImageIcon icon = new ImageIcon("./src/com/dq/images/bg.png");      g.drawImage(icon.getImage(), 0, 0, SnakeFrame.WIDTH, SnakeFrame.HEIGHT, null);            g.setColor(Color.RED);            for(int i=1;i<HEIGHT/CELL;i++){        g.drawLine(0, i*CELL, 800, i*CELL);      }            for(int i=1;i<WIDTH/CELL; i++){        g.drawLine(i*CELL, 0, i*CELL, 600);      }          }        public void reStart() {            if(currentScore > highestScore){        highestScore = currentScore;        highestLabel.setText("最高分"+highestScore);      }      currentScore = 0;      currentLabel.setText("当前得分"+currentScore);      dir = 1;      this.remove(fruit);      for(JLabel body : bodies){        this.remove(body);      }            bodies.clear();            createHeader();      createFruit();            PlayMusicUtil.playBGM();            super.repaint();                }  }}

package com.dq.ui;
/** * 存储蛇运动方向的接口 * @author dq * */public interface SnakeDirection {    int LEFT = -1;    int RIGHT = 1;    int BOTTOM = -2;    int TOP = 2;  }

package com.dq.ui;
public class StartGame {    public static void main(String[] args) {        new SnakeFrame();  }}