本文實例為大家分享了Java實現(xiàn)貪吃蛇游戲源碼的具體代碼，供大家參考，具體內(nèi)容如下

1.StartGame

package com.qiang.snake;import javax.swing.*;//游戲的主啟動類public class StartGame { public static void main(String[] args) { JFrame frame = new JFrame(); frame.setResizable(false); //窗口大小不可變 frame.setBounds(10,10,900,720); frame.add(new GamePanel()); frame.setVisible(true); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); }}

2.Data

package com.qiang.snake;import javax.swing.*;import java.net.URL;//數(shù)據(jù)中心public class Data { public static URL headerURL = Data.class.getResource('/statics/header.png'); public static URL upURL = Data.class.getResource('/statics/up.png'); public static URL downURL = Data.class.getResource('/statics/down.png'); public static URL leftURL = Data.class.getResource('/statics/left.png'); public static URL rightURL = Data.class.getResource('/statics/right.png'); public static URL bodyURL = Data.class.getResource('/statics/body.png'); public static URL foodURL = Data.class.getResource('/statics/food.png'); public static ImageIcon header = new ImageIcon(headerURL); public static ImageIcon up = new ImageIcon(upURL); public static ImageIcon down = new ImageIcon(downURL); public static ImageIcon left = new ImageIcon(leftURL); public static ImageIcon right = new ImageIcon(rightURL); public static ImageIcon body = new ImageIcon(bodyURL); public static ImageIcon food = new ImageIcon(foodURL);}

3.GamePanel

package com.qiang.snake;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 GamePanel extends JPanel implements KeyListener, ActionListener { int lenth; //蛇的長度 int[] snakeX = new int[600]; //蛇的坐標x int[] snakeY = new int[500]; //蛇的坐標y String fx = 'R'; //蛇的方向 ： R:右 L:左 U:上 D:下 boolean isStart = false; //游戲是否開始 Timer timer = new Timer(100, this); //定時器：第一個參數(shù)，就是定時執(zhí)行時間 //食物 int foodx; int foody; Random random = new Random(); boolean isFail = false; //游戲是否結(jié)束 int score; //游戲分數(shù)！ //構(gòu)造方法 public GamePanel(){ init();//初始化 this.setFocusable(true); //獲取焦點事件 this.addKeyListener(this); //鍵盤監(jiān)聽事件 timer.start(); } //初始化方法 public void init(){ lenth = 3;//初始小蛇有三節(jié),包括小腦袋 //初始化開始的蛇,給蛇定位, snakeX[0] = 100; snakeY[0] = 100; snakeX[1] = 75; snakeY[1] = 100; snakeX[2] = 50; snakeY[2] = 100; //初始化食物數(shù)據(jù) foodx = 25 + 25* random.nextInt(34); foody = 75 + 25* random.nextInt(24); score = 0; //初始化游戲分數(shù) } //畫組件 @Override public void paintComponent(Graphics g){ super.paintComponent(g);//清屏 this.setBackground(Color.WHITE); //設(shè)置面板的背景色 Data.header.paintIcon(this,g,25,11); //繪制頭部信息區(qū)域 g.fillRect(25,75,850,600); //繪制游戲區(qū)域 //把小蛇畫上去 if (fx.equals('R')){ //蛇的頭通過方向變量來判斷 Data.right.paintIcon(this,g,snakeX[0],snakeY[0]); }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 < lenth; i++) { Data.body.paintIcon(this,g,snakeX[i],snakeY[i]); //蛇的身體長度根據(jù)lenth來控制 } //畫食物 Data.food.paintIcon(this,g,foodx,foody); g.setColor(Color.white); g.setFont(new Font('微軟雅黑',Font.BOLD,18)); g.drawString('長度 ' + lenth,750,35); g.drawString('分數(shù) ' + score,750,50); //游戲提示 if (isStart==false){ g.setColor(Color.white); g.setFont(new Font('微軟雅黑',Font.BOLD,40)); g.drawString('按下空格開始游戲!',300,300); } //失敗判斷 if (isFail){ g.setColor(Color.RED); g.setFont(new Font('微軟雅黑',Font.BOLD,40)); g.drawString('失敗, 按下空格重新開始',200,300); } } @Override public void keyTyped(KeyEvent e) { } //鍵盤監(jiān)聽事件 @Override public void keyPressed(KeyEvent e) { int keyCode = e.getKeyCode(); //獲取按下的鍵盤 if (keyCode==KeyEvent.VK_SPACE){ //如果是空格 if (isFail){ //如果游戲失敗,從頭再來！ isFail = false; init(); //重新初始化 }else { //否則，暫停游戲 isStart = !isStart; } repaint(); } //鍵盤控制走向 if (keyCode==KeyEvent.VK_LEFT){ fx = 'L'; }else if (keyCode==KeyEvent.VK_RIGHT){ fx = 'R'; }else if (keyCode==KeyEvent.VK_UP){ fx = 'U'; }else if (keyCode==KeyEvent.VK_DOWN){ fx = 'D'; } } @Override public void keyReleased(KeyEvent e) { } //定時執(zhí)行的操作 @Override public void actionPerformed(ActionEvent e) { //如果游戲處于開始狀態(tài)，并且沒有結(jié)束，則小蛇可以移動 if (isStart && isFail==false){ //右移:即讓后一個移到前一個的位置即可 ! for (int i = lenth-1; i > 0; i--) { //除了腦袋都往前移：身體移動 snakeX[i] = snakeX[i-1]; //即第i節(jié)(后一節(jié))的位置變?yōu)?i-1：前一節(jié))節(jié)的位置！ snakeY[i] = snakeY[i-1]; } //通過方向控制，頭部移動 if (fx.equals('R')){ snakeX[0] = snakeX[0]+25; 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; } //吃食物:當蛇的頭和食物一樣時,算吃到食物! if (snakeX[0]==foodx && snakeY[0]==foody){ //1.長度加一 lenth++; //每吃一個食物，增加積分 score = score + 10; //2.重新生成食物 foodx = 25 + 25* random.nextInt(34); foody = 75 + 25* random.nextInt(24); } //結(jié)束判斷，頭和身體撞到了 for (int i = 1; i < lenth; i++) { //如果頭和身體碰撞，那就說明游戲失敗 if (snakeX[i]==snakeX[0] && snakeY[i]==snakeY[0] ){ isFail = true; } } repaint(); //需要不斷的更新頁面實現(xiàn)動畫 } timer.start();//讓時間動起來! }}

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