java实现简单贪吃蛇小游戏

java实现简单贪吃蛇小游戏

本文实例为大家分享了java实现贪吃蛇小游戏，供大家参考，具体内容如下

有两个类，放在同一文件下下即可，背景图片，标题，蛇尾可自行更改

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

public class MyJFrame extends JFrame{

public MyJFrame() {

int x= Toolkit.getDefaultToolkit().getScreenSize().width;

int y = Toolkit.getDefaultToolkit().getScreenSize().height;

setLocation((x-800)/2, (y-800)/2);

setSize(800,800);

setVisible(true);

setDefaultCloseOperation(EXIT_ON_CLOSE);

setTitle("贪吃蛇");

setLayout(null);

getLayeredPane().setLayout(null);

JLabel background = new JLabel(new ImageIcon("C:\\Users\\HP\\Desktop\\javaa\\background3.jpg"));//注意此处路径

JLabel title = new JLabel(new ImageIcon("C:\\Users\\HP\\Desktop\\javaa\\title1.jpg"));//注意此处路径

background.setBounds(20,80,750,650);

title.setBounds(0,0,800,75);

getLayeredPane().add(background,new Integer(Integer.MIN_VALUE));

getLayeredPane().add(title,new Integer(Integer.MIN_VALUE+1));

((JPanel)getContentPane()).setOpaque(false);

MyPanel mypanel = new MyPanel();

mypanel.setBounds(0,0,getWidth(),getHeight());

add(mypanel);

}

public static void main(String[] args) {

new MyJFrame();

}

}

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

import java.util.Random;

public class MyPanel extends JPanel implements ActionListener{

int lenght ;

int score1;

Boolean jieshux = false;

JLabel scorel = new JLabel("分数："+score1);

JLabel lenghl = new JLabel("长度："+lenght);

JLabel shibai = new JLabel("按下空格开始游戏!");

JLabel jieshu = new JLabel("游戏失败！按空格重新开始！");

String dir = "R";

Boolean isstart = false;

int[][] snake = new int[300][2];

Random r = new Random();

int x,y;

//初始化

public void initialize() {

snake[0][0]=70;

snake[0][1]=80;

snake[1][0]=45;

snake[1][1]=80;

snake[2][0]=20;

snake[2][1]=80;

isstart = true;

jieshux = false;

lenght = 3;

score1 = 0;

dir = http://"R";

repaint();

}

public MyPanel() {

setLayout(null);

scorel.setBounds(700, 20, 50, 30);

lenghl.setBounds(700, 40, 50, 30);

shibai.setBounds(300,400,200,60);

shibai.setFont(new Font("黑体",Font.BOLD,20));

jieshu.setFont(new Font("黑体",Font.BOLD,20));

jieshu.setVisible(false);

jieshu.setBounds(250,400,300,60);

add(scorel);

add(lenghl);

add(shibai);

add(jieshu);

x = r.nextInt(29)*25+20;

y = r.nextInt(25)*25+80;

//this.setFocusable(true); //焦点获取

setOpaque(false);

initialize();

Timer t = new Timer(200,this);

this.addKeyListener(new KeyAdapter() {

public void keyPressed(KeyEvent e) {

if(e.getKeyCode()==KeyEvent.VK_SPACE && isstart==false) {

isstart=true;

}else if(e.getKeyCode()==KeyEvent.VK_SPACE && isstart==true &&jieshux == false){

isstart = false;

}else if(e.getKeyCode()==KeyEvent.VK_W && isstart==true && dir!="D"&&jieshux == false) {

dir="U";

}else if(e.getKeyCode()==KeyEvent.VK_A && isstart==true && dir!="R"&&jieshux == false) {

dir="L";

}else if(e.getKeyCode()==KeyEvent.VK_D && isstart==true && dir!="L"&&jieshux == false) {

dir="R";

}else if(e.getKeyCode()==KeyEvent.VK_S && isstart==true && dir!="U"&&jieshux == false) {

dir="D";

}else if(e.getKeyCode()==KeyEvent.VK_SPACE && jieshux==true) {

initialize();

}

}

});

t.start();

}

@Override

public void actionPerformed(ActionEvent e) {

this.requestFocus(true);

if(isstart&&dir.equals("R")&&!jieshux) {

for(int i=0;i

if(snake[i][0]>=745) {

//snake[i][0]=20;

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snakZiWQLMe[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][0]=snake[1][0]+25;

} else if(isstart&&dir.equals("D")&&!jieshux) {

for(int i=0;i

if(snake[i][1]>=705) {

//snake[i][1]=80;

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][1]=snake[1][1]+25;

}else if(isstart&&dir.equals("U")&&!jieshux) {

for(int i=0;i

if(snake[i][1]<=80) {

//snake[i][1]=705;

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][1]=snake[1][1]-25;

}else if(isstart&&dir.equals("L")&&!jieshux) {

for(int i=0;i

if(snake[i][0]<=20) {

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][0]=snake[1][0]-25;

}

if(snake[0][1]==y&&snake[0][0]==x) {

x = r.nextInt(29)*25+20;

y = r.nextInt(25)*25+80;

score1+=10;

lenght++;

snake[lenght-1][1]=snake[lenght-2][1];

snake[lenght-1][0]=snake[lenght-2][0];

add(scorel);

add(lenghl);

}

if(isstart==false) {

shibai.setVisible(true);

}else {

shibai.setVisible(false);

if(jieshux == false) {

jieshu.setVisible(false);

}else {

jieshu.setVisible(true);

}

}

for(int i = 1;i

if(snake[0][0]==snake[i][0]&&snake[0][1]==snake[i][1]) {

jieshux=true;

}

}

if(isstart&&!jieshux)repaint();

}

public void paint(Graphics g) {

super.paint(g);

//边界为（20，80），（770，730）

scorel.setText("分数："+score1);

lenghl.setText("长度："+lenght);

g.drawLine(18, 78, 18, 732);

g.drawLine(18, 78, 772, 78);

g.drawLine(18, 732, 772, 732);

g.drawLine(772, 78, 772, 732);

//竖线

for(int i=20;i<=770;i+=25) {

g.drawLine(i,80,i,730);

//g.drawLine(0,i,600,i);

}

//横线

for(int i=80;i<=750;i+=25) {

//g.drawLine(i,50,i,780);

g.drawLine(20,i,770,i);

}

for(int i = 0;i

if(i>0) {

g.drawImage(new ImageIcon("C:\\Users\\HP\\Desktop\\javaa\\body.png").getImage(), snake[i][0],snake[i][1],this);//注意此处路径

}else {

g.fillOval(snake[i][0], snake[i][1], 25, 25);

}

}

g.setColor(Color.red);

g.fillOval(x, y, 25, 25);

}

}

if(snake[i][0]>=745) {

//snake[i][0]=20;

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snakZiWQLMe[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][0]=snake[1][0]+25;

} else if(isstart&&dir.equals("D")&&!jieshux) {

for(int i=0;i

if(snake[i][1]>=705) {

//snake[i][1]=80;

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][1]=snake[1][1]+25;

}else if(isstart&&dir.equals("U")&&!jieshux) {

for(int i=0;i

if(snake[i][1]<=80) {

//snake[i][1]=705;

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][1]=snake[1][1]-25;

}else if(isstart&&dir.equals("L")&&!jieshux) {

for(int i=0;i

if(snake[i][0]<=20) {

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][0]=snake[1][0]-25;

}

if(snake[0][1]==y&&snake[0][0]==x) {

x = r.nextInt(29)*25+20;

y = r.nextInt(25)*25+80;

score1+=10;

lenght++;

snake[lenght-1][1]=snake[lenght-2][1];

snake[lenght-1][0]=snake[lenght-2][0];

add(scorel);

add(lenghl);

}

if(isstart==false) {

shibai.setVisible(true);

}else {

shibai.setVisible(false);

if(jieshux == false) {

jieshu.setVisible(false);

}else {

jieshu.setVisible(true);

}

}

for(int i = 1;i

if(snake[0][0]==snake[i][0]&&snake[0][1]==snake[i][1]) {

jieshux=true;

}

}

if(isstart&&!jieshux)repaint();

}

public void paint(Graphics g) {

super.paint(g);

//边界为（20，80），（770，730）

scorel.setText("分数："+score1);

lenghl.setText("长度："+lenght);

g.drawLine(18, 78, 18, 732);

g.drawLine(18, 78, 772, 78);

g.drawLine(18, 732, 772, 732);

g.drawLine(772, 78, 772, 732);

//竖线

for(int i=20;i<=770;i+=25) {

g.drawLine(i,80,i,730);

//g.drawLine(0,i,600,i);

}

//横线

for(int i=80;i<=750;i+=25) {

//g.drawLine(i,50,i,780);

g.drawLine(20,i,770,i);

}

for(int i = 0;i

if(i>0) {

g.drawImage(new ImageIcon("C:\\Users\\HP\\Desktop\\javaa\\body.png").getImage(), snake[i][0],snake[i][1],this);//注意此处路径

}else {

g.fillOval(snake[i][0], snake[i][1], 25, 25);

}

}

g.setColor(Color.red);

g.fillOval(x, y, 25, 25);

}

}

if(snake[i][1]>=705) {

//snake[i][1]=80;

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][1]=snake[1][1]+25;

}else if(isstart&&dir.equals("U")&&!jieshux) {

for(int i=0;i

if(snake[i][1]<=80) {

//snake[i][1]=705;

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][1]=snake[1][1]-25;

}else if(isstart&&dir.equals("L")&&!jieshux) {

for(int i=0;i

if(snake[i][0]<=20) {

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][0]=snake[1][0]-25;

}

if(snake[0][1]==y&&snake[0][0]==x) {

x = r.nextInt(29)*25+20;

y = r.nextInt(25)*25+80;

score1+=10;

lenght++;

snake[lenght-1][1]=snake[lenght-2][1];

snake[lenght-1][0]=snake[lenght-2][0];

add(scorel);

add(lenghl);

}

if(isstart==false) {

shibai.setVisible(true);

}else {

shibai.setVisible(false);

if(jieshux == false) {

jieshu.setVisible(false);

}else {

jieshu.setVisible(true);

}

}

for(int i = 1;i

if(snake[0][0]==snake[i][0]&&snake[0][1]==snake[i][1]) {

jieshux=true;

}

}

if(isstart&&!jieshux)repaint();

}

public void paint(Graphics g) {

super.paint(g);

//边界为（20，80），（770，730）

scorel.setText("分数："+score1);

lenghl.setText("长度："+lenght);

g.drawLine(18, 78, 18, 732);

g.drawLine(18, 78, 772, 78);

g.drawLine(18, 732, 772, 732);

g.drawLine(772, 78, 772, 732);

//竖线

for(int i=20;i<=770;i+=25) {

g.drawLine(i,80,i,730);

//g.drawLine(0,i,600,i);

}

//横线

for(int i=80;i<=750;i+=25) {

//g.drawLine(i,50,i,780);

g.drawLine(20,i,770,i);

}

for(int i = 0;i

if(i>0) {

g.drawImage(new ImageIcon("C:\\Users\\HP\\Desktop\\javaa\\body.png").getImage(), snake[i][0],snake[i][1],this);//注意此处路径

}else {

g.fillOval(snake[i][0], snake[i][1], 25, 25);

}

}

g.setColor(Color.red);

g.fillOval(x, y, 25, 25);

}

}

if(snake[i][1]<=80) {

//snake[i][1]=705;

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][1]=snake[1][1]-25;

}else if(isstart&&dir.equals("L")&&!jieshux) {

for(int i=0;i

if(snake[i][0]<=20) {

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][0]=snake[1][0]-25;

}

if(snake[0][1]==y&&snake[0][0]==x) {

x = r.nextInt(29)*25+20;

y = r.nextInt(25)*25+80;

score1+=10;

lenght++;

snake[lenght-1][1]=snake[lenght-2][1];

snake[lenght-1][0]=snake[lenght-2][0];

add(scorel);

add(lenghl);

}

if(isstart==false) {

shibai.setVisible(true);

}else {

shibai.setVisible(false);

if(jieshux == false) {

jieshu.setVisible(false);

}else {

jieshu.setVisible(true);

}

}

for(int i = 1;i

if(snake[0][0]==snake[i][0]&&snake[0][1]==snake[i][1]) {

jieshux=true;

}

}

if(isstart&&!jieshux)repaint();

}

public void paint(Graphics g) {

super.paint(g);

//边界为（20，80），（770，730）

scorel.setText("分数："+score1);

lenghl.setText("长度："+lenght);

g.drawLine(18, 78, 18, 732);

g.drawLine(18, 78, 772, 78);

g.drawLine(18, 732, 772, 732);

g.drawLine(772, 78, 772, 732);

//竖线

for(int i=20;i<=770;i+=25) {

g.drawLine(i,80,i,730);

//g.drawLine(0,i,600,i);

}

//横线

for(int i=80;i<=750;i+=25) {

//g.drawLine(i,50,i,780);

g.drawLine(20,i,770,i);

}

for(int i = 0;i

if(i>0) {

g.drawImage(new ImageIcon("C:\\Users\\HP\\Desktop\\javaa\\body.png").getImage(), snake[i][0],snake[i][1],this);//注意此处路径

}else {

g.fillOval(snake[i][0], snake[i][1], 25, 25);

}

}

g.setColor(Color.red);

g.fillOval(x, y, 25, 25);

}

}

if(snake[i][0]<=20) {

jieshux = !jieshux;

//isstart = !isstart;

break;

}else {

snake[lenght-i-1][0]=snake[lenght-i-2][0];

snake[lenght-i-1][1]=snake[lenght-i-2][1];

}

}

if(!jieshux) snake[0][0]=snake[1][0]-25;

}

if(snake[0][1]==y&&snake[0][0]==x) {

x = r.nextInt(29)*25+20;

y = r.nextInt(25)*25+80;

score1+=10;

lenght++;

snake[lenght-1][1]=snake[lenght-2][1];

snake[lenght-1][0]=snake[lenght-2][0];

add(scorel);

add(lenghl);

}

if(isstart==false) {

shibai.setVisible(true);

}else {

shibai.setVisible(false);

if(jieshux == false) {

jieshu.setVisible(false);

}else {

jieshu.setVisible(true);

}

}

for(int i = 1;i

if(snake[0][0]==snake[i][0]&&snake[0][1]==snake[i][1]) {

jieshux=true;

}

}

if(isstart&&!jieshux)repaint();

}

public void paint(Graphics g) {

super.paint(g);

//边界为（20，80），（770，730）

scorel.setText("分数："+score1);

lenghl.setText("长度："+lenght);

g.drawLine(18, 78, 18, 732);

g.drawLine(18, 78, 772, 78);

g.drawLine(18, 732, 772, 732);

g.drawLine(772, 78, 772, 732);

//竖线

for(int i=20;i<=770;i+=25) {

g.drawLine(i,80,i,730);

//g.drawLine(0,i,600,i);

}

//横线

for(int i=80;i<=750;i+=25) {

//g.drawLine(i,50,i,780);

g.drawLine(20,i,770,i);

}

for(int i = 0;i

if(i>0) {

g.drawImage(new ImageIcon("C:\\Users\\HP\\Desktop\\javaa\\body.png").getImage(), snake[i][0],snake[i][1],this);//注意此处路径

}else {

g.fillOval(snake[i][0], snake[i][1], 25, 25);

}

}

g.setColor(Color.red);

g.fillOval(x, y, 25, 25);

}

}

if(snake[0][0]==snake[i][0]&&snake[0][1]==snake[i][1]) {

jieshux=true;

}

}

if(isstart&&!jieshux)repaint();

}

public void paint(Graphics g) {

super.paint(g);

//边界为（20，80），（770，730）

scorel.setText("分数："+score1);

lenghl.setText("长度："+lenght);

g.drawLine(18, 78, 18, 732);

g.drawLine(18, 78, 772, 78);

g.drawLine(18, 732, 772, 732);

g.drawLine(772, 78, 772, 732);

//竖线

for(int i=20;i<=770;i+=25) {

g.drawLine(i,80,i,730);

//g.drawLine(0,i,600,i);

}

//横线

for(int i=80;i<=750;i+=25) {

//g.drawLine(i,50,i,780);

g.drawLine(20,i,770,i);

}

for(int i = 0;i

if(i>0) {

g.drawImage(new ImageIcon("C:\\Users\\HP\\Desktop\\javaa\\body.png").getImage(), snake[i][0],snake[i][1],this);//注意此处路径

}else {

g.fillOval(snake[i][0], snake[i][1], 25, 25);

}

}

g.setColor(Color.red);

g.fillOval(x, y, 25, 25);

}

}

if(i>0) {

g.drawImage(new ImageIcon("C:\\Users\\HP\\Desktop\\javaa\\body.png").getImage(), snake[i][0],snake[i][1],this);//注意此处路径

}else {

g.fillOval(snake[i][0], snake[i][1], 25, 25);

}

}

g.setColor(Color.red);

g.fillOval(x, y, 25, 25);

}

}

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