贪吃蛇 Java实现
作者:互联网
画板
import javax.swing.*;
public class StartGame {
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.setBounds(10,10,900,720);
frame.setResizable(false);
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
//游戏写在面板上
frame.add(new GamePanel());
frame.setVisible(true);
}
}
游戏面板
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;
//游戏面板
public class GamePanel extends JPanel implements KeyListener, ActionListener {
//定义蛇的数据结构
int length;
int[] snakeX = new int[600];
int[] snakeY = new int[600];
String fx;//方向
//食物坐标
int foodx;
int foody;
Random random = new Random();
int score;
//游戏状态
boolean isStart = false;
boolean isFail = false;
//定时器
Timer timer = new Timer(100,this);
//构造器
public GamePanel() {
init();
//获取焦点和键盘事件
this.setFocusable(true);
this.addKeyListener(this);
timer.start();
}
//初始化方法
public void init(){
length = 3;
snakeX[0]=100;snakeY[0]=100;
snakeX[1]=75;snakeY[1]=100;
snakeX[2]=50;snakeY[2]=100;
fx = "R";
foodx = 25+25*random.nextInt(34);
foody = 75+25*random.nextInt(24);
score = 0;
}
//绘制面板
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);//清屏
//画静态图片
this.setBackground(Color.white);
Data.header.paintIcon(this,g,25,11);
g.fillRect(25,75,850,600);
//画积分
g.setColor(Color.white);
g.setFont(new Font("微软雅黑",Font.BOLD,18));
g.drawString("长度 "+length,750,35);
g.drawString("分数 "+score,750,50);
//画食物
Data.food.paintIcon(this,g,foodx,foody);
//画小蛇 头 方向
if (fx.equals("R")){
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 {
Data.down.paintIcon(this,g,snakeX[0],snakeY[0]);
}
//身体
for (int i = 1; i < length; i++) {
Data.body.paintIcon(this,g,snakeX[i],snakeY[i]);
}
//游戏状态
if (!isStart){
g.setColor(Color.white);
//设置字体
g.setFont(new Font("微软雅黑",Font.BOLD,40));
g.drawString("按下空格开始游戏",300,350);
}
if (isFail){
g.setColor(Color.RED);
//设置字体
g.setFont(new Font("微软雅黑",Font.BOLD,40));
g.drawString("失败,按下空格重新开始",300,350);
}
}
//键盘监听事件
@Override
public void keyPressed(KeyEvent e) {
//开始结束
int keyCode = e.getKeyCode();
if (keyCode==KeyEvent.VK_SPACE){
if (isFail){
isFail = false;
init();
} else {
isStart = !isStart;
}
repaint();
}
//小蛇移动
if (keyCode==KeyEvent.VK_UP){
fx = "U";
} else if (keyCode==KeyEvent.VK_DOWN){
fx = "D";
} else if (keyCode==KeyEvent.VK_LEFT){
fx = "L";
} else {
fx = "R";
}
}
//事件监听
@Override
public void actionPerformed(ActionEvent e) {
if (isStart && !isFail){
//吃食物
if (snakeX[0]==foodx&&snakeY[0]==foody){
//长度+1
length++;
//分数+10
score+=10;
//再次随机食物
foodx = 25+25*random.nextInt(34);
foody = 75+25*random.nextInt(24);
}
//移动身体
for (int i = length-1; i >0 ; i--) {
snakeX[i]=snakeX[i-1];
snakeY[i]=snakeY[i-1];
}
//判断走向
if (fx.equals("R")){
snakeX[0]=snakeX[0]+25;
if (snakeX[0]>850){snakeX[0]=25;}//边界判断
} else if (fx.equals("L")){
snakeX[0]=snakeX[0]-25;
if (snakeX[0]<25){snakeX[0]=850;}//边界判断
} else if (fx.equals("U")){
snakeY[0]=snakeY[0]-25;
if (snakeY[0]<75){snakeY[0]=650;}//边界判断
} else {
snakeY[0]=snakeY[0]+25;
if (snakeY[0]>650){snakeY[0]=75;}//边界判断
}
//失败判断,撞到自己
for (int i = 1; i < length; i++) {
if(snakeX[0]==snakeX[i]&&snakeY[0]==snakeY[i])
isFail=true;
}
repaint();
}
timer.start();
}
@Override
public void keyReleased(KeyEvent e) {
}
@Override
public void keyTyped(KeyEvent e) {
}
}
数据
import javax.swing.*;
import java.net.URL;
// 数据中心
public class Data {
public static URL headerURL = Data.class.getResource("statics/header.png");
public static ImageIcon header = new ImageIcon(headerURL);
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);
public static URL bodyURL = Data.class.getResource("statics/body.png");
public static URL foodURL = Data.class.getResource("statics/food.png");
public static ImageIcon body = new ImageIcon(bodyURL);
public static ImageIcon food = new ImageIcon(foodURL);
}
效果
标签:Java,实现,snakeX,snakeY,贪吃蛇,static,new,Data,public 来源: https://www.cnblogs.com/pipacam/p/14776657.html