Java编写的贪吃蛇游戏代码

贪吃蛇：看了传智博客的视频整理出来的代码Snake类package snake;import java.awt.Color;import java.awt.Graphics;import java.awt.Point;import java.util.HashSet;import java.util.LinkedList;import java.util.Set;public class Snake {//定义方向的常量public static final int UP=-1;public static final int DOWN=1;public static final int LEFT=2;public static final int RIGHT=-2;private int oldDirection,newDirection;private Point oldTail;private boolean life;private LinkedList<Point> body=new LinkedList<Point>(); //蛇的坐标private Set<SnakeListener> listener=new HashSet<SnakeListener>();//蛇没身体要初始化public Snake(){init();}public void init(){//显示区最中间点int x=Global.WIDTH/2;int y=Global.HEIGHT/2;//初始化身体节点for(int i=0;i<3;i++){//添加节点body.addLast(new Point(x--,y));//蛇头在右边默认方向为右oldDirection=newDirection=RIGHT;life=true;}}public void move(){System.out.println("Snake's move");if(!((oldDirection+newDirection)==0)){ oldDirection=newDirection;}//1. 去尾oldTail=body.removeLast();int x=body.getFirst().x; //原坐标int y=body.getFirst().y;switch(oldDirection){case UP:y--;if(y<0){y=Global.HEIGHT-1;}break;case DOWN:y++;if(y>=Global.HEIGHT){y=0;}break;case LEFT:x--;if(x<0){x=Global.WIDTH-1;}break;case RIGHT:x++;if(x>=Global.WIDTH){x=0;}break;}Point newHead=new Point(x,y);//2. 加头body.addFirst(newHead);}public void changeDirection(int direction){System.out.println("Snake's changeDirection");/*if(!(direction+this.direction==0)){this.direction=direction;}*/newDirection=direction;}public void die(){life=false;}public void eatFood(){System.out.println("Snake's eatFood");body.addLast(oldTail);}public boolean isEatBody(){System.out.println("Snake's isEatBody");for(int i=1;i<body.size();i++){if(body.get(i).equals(this.getHead()))return true;}return false;}//显示public void drawMe(Graphics g){System.out.println("Snake's drawMe");g.setColor(Color.BLUE);//蛇身颜色//遍历for(Point p: body)g.fill3DRect(p.x*Global.CELL_SIZE,p.y*Global.CELL_SIZE,Global.CELL_SIZE , Global.CELL_SIZE,true);}//得到蛇头的方法public Point getHead(){return body.getFirst();}//内部类private class SnakeDriver implements Runnable{public void run(){while(life){move();for(SnakeListener l:listener){l.snakeMove(Snake.this);}try{Thread.sleep(1000);}catch(InterruptedException e){e.printStackTrace();}}}}//启动线程public void start(){new Thread(new SnakeDriver()).start();}public void addSnakeListener(SnakeListener l){ if(l!=null){this.listener.add(l);}}}Food类package snake;import java.awt.Graphics;import java.awt.Point;public class Food extends Point {public void newFood(Point p){this.setLocation(p);}public boolean isSnakeEatFood(Snake snake){System.out.println("Food's isAnakeEatFood");return this.equals(snake.getHead());//return false;}public void drawMe(Graphics g){System.out.println("Food's drawMe");//g.fillOval(x*Global.WIDTH, y*Global.HEIGHT, Global.CELL_SIZE,Global.CELL_SIZE);g.fill3DRect(x*Global.CELL_SIZE, y*Global.CELL_SIZE, Global.CELL_SIZE, Global.CELL_SIZE, true);}}Ground类package snake;import java.awt.Color;import java.awt.Graphics;import java.awt.Point;import java.util.Random;public class Ground {private int[][] rocks=new int[Global.WIDTH][Global.HEIGHT];//生成墙public Ground(){for(int y=0;y<Global.WIDTH;y++){rocks[0][y]=1;rocks[Global.HEIGHT-1][y]=1;}for(int x=0;x<Global.WIDTH;x++){rocks[x][0]=1;rocks[x][Global.WIDTH-1]=1;}}public boolean isSnakeEatGround(Snake snake){System.out.println("Ground's isSnakeEatGround ");for(int x=0;x<Global.WIDTH;x++)for(int y=0;y<Global.HEIGHT;y++){if(rocks[x][y]==1&&(x==snake.getHead().x&&y==snake.getHead().y)){//石头和蛇头重合return true;}}return false;//获得随机位置public Point getPoint(){Random ran=new Random();int x=0,y=0;do{x=ran.nextInt(Global.WIDTH);y=ran.nextInt(Global.HEIGHT);}while(rocks[x][y]==1);return new Point(x,y);}public void drawMe(Graphics g){System.out.println("Ground's drawMe");g.setColor(Color.RED);for(int x=0;x<Global.WIDTH;x++)for(int y=0;y<Global.HEIGHT;y++){if(rocks[x][y]==1){g.fill3DRect(x*Global.CELL_SIZE, y*Global.CELL_SIZE, Global.CELL_SIZE, Global.CELL_SIZE, true);}}}}GamePanel类package snake;import java.awt.Color;import java.awt.Graphics;import javax.swing.JPanel;public class GamePanel extends JPanel {private Snake snake;private Food food;private Ground ground;public void display(Snake snake,Food food,Ground ground){System.out.println("CamePanel's display");this.snake=snake;this.food=food;this.ground=ground;this.repaint();protected void paintComponent(Graphics g) {// TODO 自动生成的方法存根//重新显示super.paintComponent(g);g.setColor(new Color(0xcfcfcf));g.fillRect(0, 0, Global.WIDTH*Global.CELL_SIZE, Global.HEIGHT*Global.CELL_SIZE);if(snake!=null&&food!=null&&ground!=null){this.snake.drawMe(g);this.food.drawMe(g);this.ground.drawMe(g);}}/*public void addSnakeListener(Controller controller) {// TODO 自动生成的方法存根}*/}Controller类package snake;import java.awt.Point;import java.awt.event.KeyAdapter;import java.awt.event.KeyEvent;import java.util.Random;public class Controller extends KeyAdapter implements SnakeListener{private Snake snake;private Food food;private Ground ground;private GamePanel gamePanel;public void keyPressed(KeyEvent e) {// TODO 自动生成的方法存根//super.keyPressed(e);//转动方向switch(e.getKeyCode()){case KeyEvent.VK_UP:snake.changeDirection(Snake.UP);break;case KeyEvent.VK_DOWN:snake.changeDirection(Snake.DOWN);break;case KeyEvent.VK_LEFT:snake.changeDirection(Snake.LEFT);break;case KeyEvent.VK_RIGHT:snake.changeDirection(Snake.RIGHT);break;}}public Controller(Snake snake, Food food, Ground ground, GamePanel gamePanel) { super();this.snake = snake;this.food = food;this.ground = ground;this.gamePanel = gamePanel;}//逻辑public void snakeMove(Snake snake) {// TODO 自动生成的方法存根if(food.isSnakeEatFood(snake)){snake.eatFood();food.newFood(ground.getPoint());}//吃到石头if(ground.isSnakeEatGround(snake)){snake.die();//让snake里线程退出}//吃到身体if(snake.isEatBody()){snake.die();}gamePanel.display(snake,food,ground);}public void newGame(){snake.start();food.newFood(ground.getPoint());}}SnakeListener接口package snake;public interface SnakeListener {void snakeMove(Snake snake);}Global 类package snake;public class Global {//格子public static final int CELL_SIZE=20;public static final int WIDTH=30;public static final int HEIGHT=30;}TestMyGame 类package snake;import java.awt.BorderLayout;import javax.swing.JFrame;public class TestMyGame {public static void main(String[]args){Snake snake=new Snake();Food food=new Food();Ground ground=new Ground();GamePanel gamePanel=new GamePanel();Controller controller=new Controller(snake,food,ground,gamePanel);JFrame frame=new JFrame();frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);frame.setSize(Global.WIDTH*Global.CELL_SIZE+15,Global.HEIGHT*Global.CELL_SIZ E+38);frame.add(gamePanel,BorderLayout.CENTER);gamePanel.setSize(Global.WIDTH*Global.CELL_SIZE,Global.HEIGHT*Global.CELL_SI ZE);gamePanel.addKeyListener(controller);snake.addSnakeListener(controller);frame.addKeyListener(controller);frame.setVisible(true);controller.newGame();}}。