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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-dateJAVA程序源代码(贪吃蛇)贪吃蛇源代码贪吃蛇源代码将Location、LocationRO、SnakeFrame、SnakeModel、SnakePanel放到命名为snake的文件夹里，主函数MainApp放到外面运行主函数即可实现。主函数package snake;import javax.swing.*;import snake.*;public class
2、MainApp public static void main(String args) JFrame.setDefaultLookAndFeelDecorated(true);SnakeFrame frame=new SnakeFrame();frame.setSize(350,350);frame.setResizable(false);frame.setLocation(330,220);frame.setTitle(贪吃蛇);frame.setVisible(true);package snake;public class Location private int x;private
3、int y;Location(int x,int y)this.x=x;this.y=y;int getX()return x; int getY()return y;void setX(int x)this.x=x;void setY(int y)this.y=y;public boolean equalOrRev(Location e)return (e.getX()=getX()&(e.getY()=getY()|(e.getX()=getX()&(e.getY()=-1*getY()|(e.getX()=-1*getX()&(e.getY()=getY();public boolean
4、 equals(Location e)return(e.getX()=getX()&(e.getY()=getY();public boolean reverse(Location e)return (e.getX()=getX()&(e.getY()=-1*getY()|(e.getX()=-1*getX()&(e.getY()=getY();package snake;public class LocationRO private int x;private int y;LocationRO(int x,int y)this.x=x;this.y=y;int getX()return x;
5、 int getY()return y;public boolean equalOrRev(LocationRO e)return (e.getX()=getX()&(e.getY()=getY()|(e.getX()=getX()&(e.getY()=-1*getY()|(e.getX()=-1*getX()&(e.getY()=getY();public boolean equals(LocationRO e)return(e.getX()=getX()&(e.getY()=getY();public boolean reverse(LocationRO e)return (e.getX(
6、)=getX()&(e.getY()=-1*getY()|(e.getX()=-1*getX()&(e.getY()=getY();package snake;import java.awt.*;import java.awt.event.*;import javax.swing.*;class SnakeFrame extends JFrame implements ActionListenerfinal SnakePanel p=new SnakePanel(this);JMenuBar menubar=new JMenuBar();JMenu fileMenu=new JMenu(文件)
7、;JMenuItem newgameitem=new JMenuItem(开始);JMenuItem stopitem=new JMenuItem(暂停);JMenuItem runitem=new JMenuItem(继续);JMenuItem exititem=new JMenuItem(退出); /设置菜单JMenu optionMenu=new JMenu(设置); /等级选项 ButtonGroup groupDegree = new ButtonGroup(); JRadioButtonMenuItem oneItem= new JRadioButtonMenuItem(初级);
8、JRadioButtonMenuItem twoItem= new JRadioButtonMenuItem(中级); JRadioButtonMenuItem threeItem= new JRadioButtonMenuItem(高级); JMenu degreeMenu=new JMenu(等级); JMenu helpMenu=new JMenu(帮助); JMenuItem helpitem=new JMenuItem(操作指南); final JCheckBoxMenuItem showGridItem = new JCheckBoxMenuItem(显示网格); JLabel s
9、corelabel; public JTextField scoreField; private long speedtime=200; private String helpstr = 游戏说明：n1 ：方向键控制蛇移动的方向.+ n2 ：单击菜单文件-开始开始游戏.+ n3 ：单击菜单文件-暂停或者单击键盘空格键暂停游戏.+ n4 ：单击菜单文件-继续继续游戏.+ n5 ：单击菜单设置-等级可以设置难度等级.+ n6 ：单击菜单设置-显示网格可以设置是否显示网格.+ n7 ：红色为食物,吃一个得10分同时蛇身加长.+ n8 ：蛇不可以出界或自身相交，否则结束游戏.; SnakeFrame(
10、) setJMenuBar(menubar); fileMenu.add(newgameitem); fileMenu.add(stopitem); fileMenu.add(runitem); fileMenu.add(exititem); menubar.add(fileMenu); oneItem.setSelected(true); groupDegree.add(oneItem); groupDegree.add(twoItem); groupDegree.add(threeItem); degreeMenu.add(oneItem); degreeMenu.add(twoItem)
11、; degreeMenu.add(threeItem); optionMenu.add(degreeMenu); / 风格选项 showGridItem.setSelected(true); optionMenu.add(showGridItem); menubar.add(optionMenu); helpMenu.add(helpitem); menubar.add(helpMenu);Container contentpane=getContentPane(); contentpane.setLayout(new FlowLayout();contentpane.add(p);score
12、label=new JLabel(得 分: );scoreField=new JTextField(0,15);scoreField.setEnabled(false);scoreField.setHorizontalAlignment(0);JPanel toolPanel=new JPanel();toolPanel.add(scorelabel);toolPanel.add(scoreField);contentpane.add(toolPanel);oneItem.addActionListener(this); twoItem.addActionListener(this); thr
13、eeItem.addActionListener(this); newgameitem.addActionListener(this); stopitem.addActionListener(this); runitem.addActionListener(this); exititem.addActionListener(this); helpitem.addActionListener(this); showGridItem.addActionListener(this);public void actionPerformed(ActionEvent e) try if(e.getSour
14、ce()=helpitem) JOptionPane.showConfirmDialog(p,helpstr,操纵说明,JOptionPane.PLAIN_MESSAGE); else if(e.getSource()=exititem)System.exit(0); else if(e.getSource()=newgameitem)p.newGame(speedtime); else if(e.getSource()=stopitem)p.stopGame(); else if(e.getSource()=runitem)p.returnGame(); else if(e.getSourc
15、e()=showGridItem)if(!showGridItem.isSelected()p.setBackground(Color.lightGray);elsep.setBackground(Color.darkGray); else if(e.getSource()=oneItem) speedtime=200; else if(e.getSource()=twoItem) speedtime=100; else if(e.getSource()=threeItem) speedtime=50; catch(Exception ee)ee.printStackTrace(); pack
16、age snake;import java.util.*;import javax.swing.JOptionPane;public class SnakeModel private int rows,cols;/行列数private Location snakeHead,runingDiriction;/运行方向private LocationRO locRO;/LocationRO类数组private LinkedList snake,playBlocks;/蛇及其它区域块private LocationRO snakeFood;/目标食物private int gameScore=0;
17、/分数private boolean AddScore=false;/加分 /获得蛇头public LocationRO getSnakeHead() return (LocationRO)(snake.getLast();/蛇尾public LocationRO getSnakeTail()return (LocationRO)(snake.getFirst();/运行路线public Location getRuningDiriction()return runingDiriction;/获得蛇实体区域public LinkedList getSnake()return snake;/其他
18、区域public LinkedList getOthers()return playBlocks;/获得总分public int getScore()return gameScore;/获得增加分数public boolean getAddScore()return AddScore;/设置蛇头方向private void setSnakeHead(Location snakeHead)this.snakeHead=snakeHead; /获得目标食物public LocationRO getSnakeFood()return snakeFood;/随机设置目标食物private void s
19、etSnakeFood()snakeFood=(LocationRO)(playBlocks.get(int)(Math.random()*playBlocks.size();/移动private void moveTo(Object a,LinkedList fromlist,LinkedList tolist)fromlist.remove(a);tolist.add(a);/初始设置public void init()playBlocks.clear();snake.clear();gameScore=0; for(int i=0;irows;i+) for(int j=0;jcols;
20、j+) playBlocks.add(locROij); /初始化蛇的形状 for(int i=4;i7;i+) moveTo(locRO4i,playBlocks,snake); /蛇头位置 snakeHead=new Location(4,6); /设置随机块 snakeFood=new LocationRO(0,0); setSnakeFood(); /初始化运动方向 runingDiriction=new Location(0,1); /Snake构造器public SnakeModel(int rows1,int cols1) rows=rows1; cols=cols1; locR
21、O=new LocationROrowscols; snake=new LinkedList(); playBlocks=new LinkedList(); for(int i=0;irows;i+) for(int j=0;jcols;j+) locROij=new LocationRO(i,j); init(); /*定义布尔型move方法，如果运行成功则返回true,否则返回false*参数direction是Location类型，*direction 的值:(-1,0)表示向上；(1,0)表示向下；*(0,-1)表示向左；(0,1)表示向右；*/public boolean move(
22、Location direction)/判断设定的方向跟运行方向是不是相反if (direction.reverse(runingDiriction)snakeHead.setX(snakeHead.getX()+runingDiriction.getX();snakeHead.setY(snakeHead.getY()+runingDiriction.getY();elsesnakeHead.setX(snakeHead.getX()+direction.getX();snakeHead.setY(snakeHead.getY()+direction.getY();/如果蛇吃到了目标食物tr
23、yif (snakeHead.getX()=snakeFood.getX()&(snakeHead.getY()=snakeFood.getY()moveTo(locROsnakeHead.getX()snakeHead.getY(),playBlocks,snake);setSnakeFood();gameScore+=10;AddScore=true;elseAddScore=false;/是否出界if(snakeHead.getX()rows)&(snakeHead.getY()=0&(snakeHead.getY()=0)/如果不出界，判断是否与自身相交if(snake.contain
24、s(locROsnakeHead.getX()snakeHead.getY()/如果相交,结束游戏JOptionPane.showMessageDialog(null, Game Over!, 游戏结束, JOptionPane.INFORMATION_MESSAGE);return false;else/如果不相交，就把snakeHead加到snake里面，并且把尾巴移出moveTo(locROsnakeHead.getX()snakeHead.getY(),playBlocks,snake);moveTo(snake.getFirst(),snake,playBlocks);else/出界
25、,游戏结束JOptionPane.showMessageDialog(null, Game Over!, 游戏结束, JOptionPane.INFORMATION_MESSAGE);return false;catch(ArrayIndexOutOfBoundsException e)return false;/设置运行方向if (!(direction.reverse(runingDiriction)|direction.equals(runingDiriction)runingDiriction.setX(direction.getX();runingDiriction.setY(dir
26、ection.getY();return true;package snake;import javax.swing.*;import java.awt.*;import java.awt.event.*;import java.util.*;public class SnakePanel extends JPanel implements Runnable,KeyListenerJFrame parent=new JFrame();private int row=20; /网格行数private int col=30; /列数private JPanel gridsPanel; /面板网格p
27、rivate Location direction;/方向定位private SnakeModel snake; /贪吃蛇private LinkedList snakeBody; /蛇的身体private LinkedList otherBlocks; /其他区域private LocationRO snakeHead; /蛇的头部private LocationRO snakeFood; /目标食物private Color bodyColor=Color.orange;/蛇的身体颜色private Color headColor=Color.black; /蛇的头部颜色private C
28、olor foodColor=Color.red; /目标食物颜色private Color othersColor=Color.lightGray;/其他区域颜色private int gameScore=0; /总分private long speed; /速度（难度设置）private boolean AddScore;/加分private Thread t; /线程private boolean isEnd; /暂停private static boolean notExit; /构造器，初始化操作public SnakePanel(SnakeFrame parent)this.par
29、ent=parent;gridsPanel=new JPanelrowcol;otherBlocks=new LinkedList();snakeBody=new LinkedList();snakeHead=new LocationRO(0,0);snakeFood=new LocationRO(0,0);direction=new Location(0,1); / 布局setLayout(new GridLayout(row,col,1,1);for(int i=0;irow;i+)for(int j=0;jcol;j+)gridsPanelij=new JPanel();gridsPan
30、elij.setBackground(othersColor);add(gridsPanelij);addKeyListener(this); /开始游戏public void newGame(long speed)this.speed=speed;if (notExit) snake.init();elsesnake=new SnakeModel(row,col);notExit=true;t=new Thread(this);t.start();requestFocus();direction.setX(0);direction.setY(1);gameScore=0;updateText
31、Filed(+gameScore);isEnd=false; /暂停游戏public void stopGame()requestFocus();isEnd=true; /继续public void returnGame()requestFocus();isEnd=false; /获得总分public int getGameScore()return gameScore;/更新总分private void updateTextFiled(String str)(SnakeFrame)parent).scoreField.setText(str);/更新各相关单元颜色private void u
32、pdateColors() / 设定蛇身颜色snakeBody=snake.getSnake();Iterator i =snakeBody.iterator();while(i.hasNext()LocationRO t=(LocationRO)(i.next();gridsPanelt.getX()t.getY().setBackground(bodyColor);/设定蛇头颜色snakeHead=snake.getSnakeHead();gridsPanelsnakeHead.getX()snakeHead.getY().setBackground(headColor);/设定背景颜色o
33、therBlocks=snake.getOthers();i =otherBlocks.iterator();while(i.hasNext()LocationRO t=(LocationRO)(i.next();gridsPanelt.getX()t.getY().setBackground(othersColor);/设定临时块的颜色snakeFood=snake.getSnakeFood();gridsPanelsnakeFood.getX()snakeFood.getY().setBackground(foodColor);public boolean isFocusTraversab
34、le() return true; /实现Runnable接口public void run() while(true)tryThread.sleep(speed);catch (InterruptedException e) if(!isEnd)isEnd=!snake.move(direction);updateColors(); if(snake.getAddScore()gameScore+=10;updateTextFiled(+gameScore); /实现KeyListener接口public void keyPressed(KeyEvent event) int keyCode
35、 = event.getKeyCode(); if(notExit) if (keyCode = KeyEvent.VK_LEFT) /向左 direction.setX(0); direction.setY(-1); else if (keyCode = KeyEvent.VK_RIGHT) /向右 direction.setX(0); direction.setY(1); else if (keyCode = KeyEvent.VK_UP) /向上 direction.setX(-1); direction.setY(0); else if (keyCode = KeyEvent.VK_DOWN) /向下 direction.setX(1); direction.setY(0); else if (keyCode = KeyEvent.VK_SPACE) /空格键 isEnd=!isEnd; public void keyReleased(KeyEvent event)public void keyTyped(KeyEvent event)-