贪吃蛇小游戏源码分享
Posted BubblesMusic
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创建2个文件夹，一个是放源码还有一个文件夹是发图片的。
package com.Bubbles.snake;
import javax.swing.*;
import java.net.URL;
public class Data {
//存放外部数据
//1.头部的图片 URL ：定位图片的地址 ImageIcon：图片
public static URL headerURL = Data.class.getResource ("/statics/header.png");
public static ImageIcon header = new ImageIcon (headerURL);
//2.头部
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 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);
//3.身体
public static URL bodyUrl = Data.class.getResource ("/statics/body.png");
public static ImageIcon body = new ImageIcon (bodyUrl);
//4.食物
public static URL foduUrl = Data.class.getResource ("/statics/food.png");
public static ImageIcon food = new ImageIcon (foduUrl);
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package com.Bubbles.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.security.Key;
import java.util.Random;
//1.继承JPanel，才能实现面板效果
public class GamePamel extends JPanel implements KeyListener, ActionListener {
//7.画蛇
int lenth; //蛇的长度
int [] snakex = new int[600]; //蛇的坐标x
int [] snakeY = new int[500]; //蛇的坐标Y
String fx ; //12.蛇的方向，R ：右，L：左 U: 上 D:下
boolean isStrart = false; //游戏是否开始
//定义变量
Timer timer = new Timer (100,this);//定时器
//定义一个食物
int foodx;
int foody;
Random random = new Random ();
//死亡判断
boolean isFall = false;
//积分系统
int score;
//10.构造器
public GamePamel(){
init ();
//14.获取键盘的监听事件
this.setFocusable (true);
this.addKeyListener (this);
timer.start ();//让时间动起来
}
//8.初始化
public void init(){
lenth = 3;
snakex[0] = 100; snakeY[0] = 100; //头部坐标
snakex[1] = 75; snakeY[1] = 100; //第一个身体坐标
snakex[2] = 50; snakeY[2] = 100; //第二个身体坐标
fx = "R";
foodx = 25 + 25 * random.nextInt (34);
foody = 75 + 25 * random.nextInt (24);
score = 0;
}
//2.画板：画界面，画蛇
//3.重写方法paintComponent
@Override
protected void paintComponent(Graphics g) { //Graphics =画笔
super.paintComponent (g); //清屏
this.setBackground (Color.BLACK); //4.设置背景的颜色
//5.绘制头部的公告栏
Data.header.paintIcon (this,g,25,11); //距离
g.fillRect (25,75,850,600); //6.绘制游戏区域
//9.画一条静态的小蛇
if(fx.equals ("R")){ //右走
Data.right.paintIcon (this,g,snakex[0],snakeY[0]); //脑袋
} else if (fx.equals ("L")){ //左走
Data.left.paintIcon (this,g,snakex[0],snakeY[0]); //脑袋
} else if (fx.equals ("U")){ //上走
Data.up.paintIcon (this,g,snakex[0],snakeY[0]); //脑袋
} else if (fx.equals ("D")){ //下走
Data.down.paintIcon (this,g,snakex[0],snakeY[0]); //脑袋
}
//11.一个一个写的身体比较麻烦，所以要将他循环
for (int i = 1; i < lenth; i++) {
Data.body.paintIcon (this,g,snakex[i],snakeY[i]); //蛇的身体长度通过lenth来控制
}
//画积分
g.setColor (Color.white);
g.setFont (new Font ("微软雅黑",Font.BOLD,18));
g.drawString ("长度："+lenth,750,35);
g.drawString ("分数："+score,750,50);
//画食物
Data.food.paintIcon (this,g,foodx,foody);
//游戏提示:是否开始
if(isStrart==false){
//两一个文字，String
g.setColor (Color.WHITE);//设置画笔的颜色
g.setFont (new Font ("微软雅黑",Font.BOLD,40)); //设置字体
g.drawString ("按下空格开始游戏",300,300);
}
//失败提醒
if(isFall){
//两一个文字，String
g.setColor (Color.RED);//设置画笔的颜色
g.setFont (new Font ("微软雅黑",Font.BOLD,40)); //设置字体
g.drawString ("游戏失败,按下空格重新开始",200,300);
}
}
//13.接收键盘的输入：监听
@Override
public void keyPressed(KeyEvent e) {
//键盘按下，未释放
//获取按下的键盘是哪个键
int KeyCode = e.getKeyCode ();
//判断
if (KeyCode==KeyEvent.VK_SPACE){ //如果按下的是空格键
if(isFall){ //失败，游戏再来一遍
isFall = false;
init ();//重新初始化游戏
}else{ //暂停游戏
isStrart = !isStrart;
}
repaint ();//刷新界面
}
//键盘控制走向
if(KeyCode==KeyEvent.VK_LEFT){
fx="L";//左
}else if (KeyCode==KeyEvent.VK_RIGHT){
fx="R";
}else if (KeyCode==KeyEvent.VK_UP){
fx="U";
}else if (KeyCode==KeyEvent.VK_DOWN){
fx="D";
}
}
//定时器，监听时间，帧 ：执行定时操作
@Override
public void actionPerformed(ActionEvent e) {
//如果游戏处于开始状态，并且游戏没有结束
if(isStrart && isFall==false ){
//右移
for (int i = lenth-1; i >0 ; i--) {//除了脑袋，身体都向前移动
snakex[i] =snakex[i-1];
snakeY[i] =snakeY[i-1];
}
//通过控制方向让头部移动
if(fx.equals ("R")){
snakex[0]= snakex[0] + 25; //头部移动
if(snakex[0]>850){ snakex[0] = 25; }
}else if (fx.equals ("L")){
snakex[0] =snakex[0] - 25; //头部移动
if(snakex[0]<25){ snakex[0] = 850; }
}else if (fx.equals ("U")){
snakeY[0] =snakeY[0] - 25; //头部移动
if(snakeY[0]<75){ snakex[0] = 650; }
}else if (fx.equals ("D")){
snakeY[0] =snakeY[0] + 25; //头部移动
if(snakeY[0]>650){ snakeY[0] = 75; }
}
//如果小蛇的头和咋们的食物重合了
if(snakex[0]==foodx && snakeY[0]==foody){
//长度+1
lenth++;
score = score +10;
//重新生成食物
foodx = 25 + 25 * random.nextInt (34);
foody = 75 + 25 * random.nextInt (24);
}
//结束判断
for (int i = 1; i <lenth ; i++) {
if(snakex[0]==snakex[i] && snakeY[0] ==snakeY[i]){
isFall = true;
}
}
//刷新界面
repaint ();
}
timer.start ();//让时间动起来
}
@Override
public void keyTyped(KeyEvent e) {
//键盘按下，弹起:敲击
}
@Override
public void keyReleased(KeyEvent e) {
//释放某个键
}
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package com.Bubbles.snake;
import javax.swing.*;
public class StartGames {
public static void main(String[] args) {
//1.绘制一个静态窗口 JFname
JFrame frame = new JFrame ("彬哥-贪吃蛇小游戏");
//2.设置界面的大小
frame.setBounds (10, 10, 900, 720);
frame.setResizable (false); //3.窗口大小则不可以改变
//4.设置关闭事件，游戏可以关闭了
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
//6.面板 JPanel,可以加入到Frame
frame.add (new GamePamel ());
frame.setVisible (true); //5.让窗口能够展现出来
}
}
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