贪吃蛇

Data

这部分代码主要放的是一些素材，包括小蛇的头、身体、食物、广告头

注意素材文档要放在snake目录下

import javax.swing.*;import .URL;//数据中心public class Data {public static URL headURL = Data.class.getResource("static/head.png");public static ImageIcon head = new ImageIcon(headURL);public static URL upURL = Data.class.getResource("static/up.png");public static ImageIcon up = new ImageIcon(upURL);public static URL rightURL = Data.class.getResource("static/right.png");public static ImageIcon right = new ImageIcon(rightURL);public static URL leftURL = Data.class.getResource("static/right.png");public static ImageIcon left = new ImageIcon(rightURL);public static URL downURL = Data.class.getResource("static/down.png");public static ImageIcon down = new ImageIcon(downURL);public static URL bodyURL = Data.class.getResource("static/body.png");public static ImageIcon body = new ImageIcon(bodyURL);public static URL foodURL = Data.class.getResource("static/food.png");public static ImageIcon food = new ImageIcon(foodURL);}

GamePane

//游戏的面板import javax.swing.*;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import java.util.Random;public class GamePane extends JPanel implements KeyListener, ActionListener {//定义蛇的数据结构int length;//蛇的长度int[] snakeX = new int[600];int[] snakeY = new int[500];String fx;//食物的坐标int foodx;int foody;Random random = new Random();int score;//游戏当前的状态，开始，停止boolean isStart = false;//默认是不开始boolean isFail = false;//定时器 以毫秒为单位Timer timer = new Timer(100,this);//100毫秒执行一次//构造器public GamePane() {init();//获得焦点和键盘事件this.setFocusable(true);//获得焦点事件this.addKeyListener(this);//获得键盘监听事件timer.start();//游戏一开始定时器就启动}//初始化方法public void init() {length = 3;snakeX[0] = 100;snakeY[0] = 100;//脑袋的坐标snakeX[1] = 75;snakeY[1] = 100;//第一个身体的坐标snakeX[2] = 50;snakeY[2] = 100;//第二个身体的坐标fx = "R";//初始方向向右//随机食物foodx = 25 + 25*random.nextInt(34);foody = 75 + 25*random.nextInt(24);score = 0;}//绘制面板,我们游戏中的所有东西，都用这个画笔来画public void paintComponent(Graphics g) {super.paintComponent(g);//清屏//绘制静态的面板this.setBackground(Color.white);Data.head.paintIcon(this,g,25,11);//头部广告栏g.fillRect(25,75,850,600);//默认的游戏界面//画积分g.setColor(Color.white);g.setFont(new Font("微软雅黑",Font.BOLD,18));g.drawString("分数：" +length,80,40);//画食物Data.food.paintIcon(this,g,foodx,foody);//把小蛇画上去if(fx.equals("R")) {Data.right.paintIcon(this,g,snakeX[0],snakeY[0]);//蛇头初始化向右,需要通过方向来判断}else if(fx.equals("L")) {Data.left.paintIcon(this,g,snakeX[0],snakeY[0]);}else if(fx.equals("U")) {Data.up.paintIcon(this,g,snakeX[0],snakeY[0]);}else if(fx.equals("D")) {Data.down.paintIcon(this,g,snakeX[0],snakeY[0]);}for(int i = 1;i < length ;i++) {Data.body.paintIcon(this,g,snakeX[i],snakeY[i]);//第一个身体的坐标}//游戏状态if(isStart==false) {g.setColor(Color.white);g.setFont(new Font("微软雅黑",Font.BOLD,40));g.drawString("按下空格键开始游戏！",250,300);}if (isFail == true) {g.setColor(Color.red);g.setFont(new Font("微软雅黑",Font.BOLD,40));g.drawString("失败，按下空格重新开始！",250,300);}}//键盘监听器@Overridepublic void keyPressed(KeyEvent e) {int code = e.getKeyCode();if(code == KeyEvent.VK_SPACE) {//如果按下的空格键if(isFail) {//重新开始isFail = false;init();}else {isStart = !isStart;}}//小蛇移动if (code == KeyEvent.VK_UP) {fx = "U";} else if (code == KeyEvent.VK_LEFT) {fx = "L";} else if (code == KeyEvent.VK_RIGHT) {fx = "R";} else if (code == KeyEvent.VK_DOWN) {fx = "D";}}@Overridepublic void keyReleased(KeyEvent e) {}@Overridepublic void keyTyped(KeyEvent e) {}//事件监听-----需要通过固定时间来刷新，1s=10次@Overridepublic void actionPerformed(ActionEvent e) {if(isStart && isFail == false) {//如果游戏是开始状态，就让小蛇动起来//吃食物if(snakeX[0] == foodx && snakeY[0] == foody) {length ++;//长度加一//分数加一score = score + 1;//再次随机食物foodx = 25 + 25*random.nextInt(34);foody = 75 + 25*random.nextInt(24);}//右移for (int i =length-1;i>0;i--) {//后异界移到前一节位置snakeX[i] = snakeX[i-1];//向前移动一节snakeY[i] = snakeY[i-1];}//走向if(fx.equals(("R"))){snakeX[0] = snakeX[0] + 25;//边界判断if(snakeX[0]>850) {snakeX[0] = 25;}}else if (fx.equals("L")) {snakeX[0] = snakeX[0] - 25;if(snakeX[0]<25) {snakeX[0] = 850;}}else if (fx.equals("U")) {snakeY[0] = snakeY[0] - 25;if (snakeY[0] < 75) {snakeY[0] = 650;}}else if (fx.equals("D")) {snakeY[0] = snakeY[0] + 25;if (snakeY[0] > 650) {snakeY[0] = 75;}}//失败判断，撞到自己就失败for(int i = 1; i<length;i++) {if (snakeX[0] == snakeX[i] && snakeY[0] == snakeY[i]) {isFail = true;}}repaint();}timer.start();}}

StartGame

//游戏的主启动类public class StartGame {public static void main(String[] args) {JFrame frame = new JFrame("贪吃山");//正常的游戏界面都应该在面板上frame.add(new GamePane());frame.setBounds(10,10,900,720);frame.setResizable(false);//窗口大小不可变frame.setVisible(true);frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);}}

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