作者:ZJ1314520俊 | 来源:互联网 | 2023-02-05 16:25
小编给大家分享一下利用java实现贪吃蛇小游戏的方法,希望大家阅读完这篇文章后大所收获,下面让我们一起去探讨吧!
GUI编程实现贪吃蛇小游戏
1、编写主方法实现启动类
2、准备好素材图片,编写数据类
3、代码主体部分:在panel面板上实现游戏初始化,键盘和事件的监听等功能
4、代码运行效果图
5、GitHub源码链接
1、编写主方法实现启动类
import javax.swing.*;
//主启动类
public class StartGame {
public static void main(String[] args) {
JFrame jFrame = new JFrame("贪吃蛇小游戏");
jFrame.setBounds(10,10,900,720);
jFrame.setResizable(false); //设置窗口大小不可变
jFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
//面板
jFrame.add(new GamePanel());
jFrame.setVisible(true);
}
}
2、准备好素材图片,编写数据类
import javax.swing.*;
import java.net.URL;
public class Data {
//头部图片
public static URL headerURL = Data.class.getResource("statics/header.png");
public static ImageIcon header = new ImageIcon(headerURL);
//头部上下左右
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);
//身体
public static URL bodyURL = Data.class.getResource("statics/body.png");
public static ImageIcon body = new ImageIcon(bodyURL);
//食物
public static URL foodURL = Data.class.getResource("statics/food.png");
public static ImageIcon food = new ImageIcon(foodURL);
}
3、代码主体部分:在panel面板上实现游戏初始化,键盘和事件的监听等功能
package com.abc.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;
//游戏的面板
public class GamePanel extends JPanel implements KeyListener, ActionListener {
//定义蛇的数据结构
int length; //蛇的长度
int[] snakeX = new int[600]; //蛇的x坐标 25*25
int[] snakeY = new int[500]; //蛇的y坐标 25*25
String fx;
//食物
int foodx;
int foody;
Random random = new Random();
int score; //游戏分数
//游戏当前的状态
boolean isStart = false;
boolean isFail = false;
//定时器
Timer timer = new Timer(100,this);//100毫秒刷新一次
//构造方法
public GamePanel() {
init();//初始化
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;
//初始化开始的蛇,给蛇定位
snakeX[0] = 100;snakeY[0] = 100;
snakeX[1] = 75;snakeY[1] = 100;
snakeX[2] = 50;snakeY[2] = 100;
fx = "R"; //初始方向向右
//初始化食物数据
foodx = 25 + 25*random.nextInt(34);
foody = 75 + 25*random.nextInt(24);
//初始化游戏分数
score = 0;
}
//绘制面板
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);//清屏
this.setBackground(Color.white);//设置面板背景色
Data.header.paintIcon(this,g,25,11);//头部
g.fillRect(25,75,850,600);//默认的黑色游戏区域
//绘制小蛇
if (fx.equals("R")){
Data.right.paintIcon(this,g,snakeX[0],snakeY[0]); //蛇头初始化向右
}else if (fx.equals("L")){
Data.left.paintIcon(this,g,snakeX[0],snakeY[0]); //蛇头初始化向左
}else if (fx.equals("U")){
Data.up.paintIcon(this,g,snakeX[0],snakeY[0]); //蛇头初始化向上
}else if (fx.equals("D")){
Data.down.paintIcon(this,g,snakeX[0],snakeY[0]); //蛇头初始化向下
}
for (int i = 1; i 0 ; i--) {
snakeX[i] = snakeX[i-1];
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;
}
}
//吃食物
if (snakeX[0] == foodx && snakeY[0] == foody){
length++;
score = score + 10;
//再次随机食物
foodx = 25 + 25*random.nextInt(34);
foody = 75 + 25*random.nextInt(24);
}
//失败判定,撞到自己
for (int i = 1; i 4、代码运行效果图
初始化界面:
游戏中界面:
游戏结束界面:
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