How to write the code to implement the Snake War mini game in Java

package Demo; /** * 1.画出窗体对象 * * * @author 青00-Java * */ public class Demo0 { }

package Demo; import java.awt.Color; import java.awt.Component; import java.awt.Font; import java.awt.Graphics; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.util.Random; import javax.swing.ImageIcon; import javax.swing.JPanel; import javax.swing.Timer; //画布类 public class MyPanel extends JPanel implements KeyListener,ActionListener{//继承 private static final Component This = null; //键盘监听交互接口 int length; int score; int[] snakeX=new int[500];//坐标 int[] snakeY=new int[500]; String fx; boolean ifStart=false; //定时器 Timer timer =new Timer(100,this); int foodx; int foody; Random random =new Random(); public MyPanel(){ init(); //添加监听事件 this.setFocusable(true); this.addKeyListener(this); score=0; }

public void init(){ length=3; fx="r"; //初始化小蛇的位置 snakeX[0]=100; snakeY[0]=150; snakeX[1]=75; snakeY[1]=150; snakeX[2]=50; snakeY[2]=150; foodx=25+25*random.nextInt(57); foody=125+25*random.nextInt(27); System.out.println(foodx); System.out.println(foody); timer.start(); }

@Override protected void paintComponent(Graphics g){//画笔对象 super.paintComponent(g); //绘制顶部的标题 new ImageIcon("C:/Users/Desktop/img/title2.png").paintIcon(this,g,25,11);//创建对象 //绘制游戏区域 g.fillRect(25, 125, 1450, 700); //绘制小蛇 //蛇头 new ImageIcon("C:/Users/Desktop/img/l.png").paintIcon(this, g, snakeX[0], snakeY[0]); //蛇身 for(int i=1;i
        

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@Override public void actionPerformed(ActionEvent e) { //改变蛇的位置 if(ifStart==true){ for(int i=length-1;i>0;i--){ snakeX[i]=snakeX[i-1]; snakeY[i]=snakeY[i-1]; } if(fx.equals("l")){ snakeX[0]=snakeX[0]-25; if(snakeX[0]<25){ snakeX[0]=1450; } }else if(fx.equals("r")){ snakeX[0]=snakeX[0]+25; if(snakeX[0]>1450){ snakeX[0]=25; } }else if(fx.equals("u")){ snakeY[0]=snakeY[0]-25; if(snakeY[0]<120){ snakeY[0]=800; } }else if(fx.equals("d")){ snakeY[0]=snakeY[0]+25; if(snakeY[0]>800){ snakeY[0]=120; } } //判断是否吃了食物 if(snakeX[0]==foodx&&snakeY[0]==foody){ length++; score++; if(score==100){ ifStart=!ifStart; } foodx=25+25*random.nextInt(57); foody=125+25*random.nextInt(27); System.out.print("当前食物坐标("+foodx+","); System.out.print(foody+")"); System.out.println("|||当前分数："+score+" "); } repaint(); } timer.start(); } @Override public void keyReleased(KeyEvent arg0) { // TODO Auto-generated method stub } @Override public void keyTyped(KeyEvent arg0) { // TODO Auto-generated method stub } }

package Demo; import javax.swing.JFrame; public class Ui { public static void main(String[] args){ JFrame frame=new JFrame("无尽版贪吃蛇"); frame.setSize(1500, 900); frame.setLocationRelativeTo(null);//居中显示 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setResizable(true); frame.add(new MyPanel()); frame.setVisible(true); } }