用java实现简单贪食蛇游戏

super.paint(g);
g.drawString("可以通过键盘上的' r '重新开始游戏，空格键实现暂停",100,510);
g.drawString("可以通过键盘上的' + ' , ' - '实现加速减速",100,530);
g.drawString("当前速度：", 10,100);
g.drawString(" "+speed, 30, 120);
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;//读取字符文件类FileReader
import java.io.IOException;
public class map {
int[][] map=new int[20][20];
BufferedReader br = null;//字符读到缓存里
try {
fr = new FileReader(file);
br = new BufferedReader(fr);
for (int i = 0; i < 20; i++){
String line = br.readLine();//以行为单位，一次读一行利用BufferedReader的readLine，读取分行文本
node n2=new node(snakeX-2,snakeY);
l.addFirst(n2);
l.addFirst(n1);
for (int i = 0; i < 20; i++)
for (int j = 0; j < 20; j++)
g.drawImage(picture[map[i][j]],70+20*j,70+20*i, imo);
}
br = null;
}
if (fr == null){
try {
fr.close();
} catch (IOException e){
e.printStackTrace();
}
fr = null;
}
}
}
public int[][] getMap() {
return map;
}
public int getManX() {
if(foodX==body.m&&foodY==body.n){
foodX=r.nextInt(14)+2;
foodY=r.nextInt(13)+3;
}
}
map[foodX][foodY]=5;
g.drawImage(picture[5],foodY*20+70,foodX*20+70,imo);
snake=new snakemove();
snake.start();
}
@Override
public void actionPerformed(ActionEvent e) {
Graphics g=getGraphics();
switch(e.getActionCommand()){
case "重新开始" :
byte[] point = line.getBytes();//将字符串转换为字节数组
for (int j = 0; j < 20; j++) {
map[i][j] = point[j] - 48;//根据ASCall码表要减掉30H（十进制的48）
if(map[i][j]==3){
snakeX=i;
}
//随机产生食物
public void food(Graphics g){
Random r=new Random();
foodX=r.nextInt(15)+2;
foodY=r.nextInt(15)+2;
Iterator it=l.iterator();
while(it.hasNext()){
node body=(node)it.next();
setSize(500,600);
setVisible(true);
}
//贪吃蛇身体和食物节点
class node{
int m,n;
node(int m,int n){
this.m=m;
this.n=n;
}
}
public void paint(Graphics g){
ik++;
if(ik==2) return;
Image[] picture;
ImageIcon[] image=new ImageIcon[8];
int snakeX,snakeY;
int foodX,foodY;
int x,y;
ImageObserver imo;
Graphics g=getGraphics();
LinkedList l=new LinkedList(); //蛇身链表
running=true;
sleeptime=250;
g.setColor(Color.CYAN);
g.drawString(" "+speed, 30, 120);
speed=250;
g.setColor(Color.BLACK);
g.drawString(" "+speed, 30, 120);
return snakeX;
}
public int getManY() {
return snakeY;
}
}
2、游戏
package snake;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.ImageObserver;
import javax.swing.*;
direction="DOWN";
pre_dir="restart";
paint(g);
break;
case "暂停" :
direction="STOP";
break;
case "减速" :
sleeptime+=10;
speed-=10;
g.setColor(Color.CYAN);
g.drawString(" "+(speed+10), 30, 120);
public greedsnake(){
super("贪吃蛇");
Container c=getContentPane();
FlowLayout layout=new FlowLayout();
layout.setAlignment(FlowLayout.CENTER);
c.setLayout(layout);
level=1+mode.getSelectedIndex();
running=true;
direction="DOWN";
pre_dir="DOWN";
repaint();
requestFocus();
}
}
}
);
this.setFocusable(true);
this.addKeyListener(this);
import java.util.*;
public class greedsnake extends JFrame implements KeyListener,ActionListener{
static int ik=0,jk=0,flag=0;
Boolean running=true;
String direction="DOWN";
g.setColor(Color.BLACK);
g.drawString(" "+speed, 30, 120);
break;
case "加速" :
sleeptime-=10;
speed+=10;
g.setColor(Color.CYAN);
g.drawString(" "+(speed-10), 30, 120);
}
catch(NullPointerException e){
e.printStackTrace();//深层次的输出异常调用的流程
}
finally {
if (br == null){
try{
br.close();
}
catch (IOException e){
e.printStackTrace();
}
//判断是否过关
public Boolean pass(){
int p=0;
for(int i=0;i<20;i++)
for(int j=0;j<20;j++){
String pre_dir="DOWN";
snakemove snake;
int level=1;
JButton restart,pause,speed_add,speed_sub;
JComboBox mode;
String modes[]={"挑战模式","普通模式"};
static int sleeptime=250,speed=250;
public snakemove(){
getmap(map);
for(int k=0;k<8;k++)
image[k]=new ImageIcon("pic/"+k+".png");
picture=new Image[]{
image[0].getImage(),
image[1].getImage(),
c.add(speed_add);
c.add(speed_sub);
c.add(mode);
//游戏模式的选择
mode.addItemListener(
new ItemListener(){
public void itemStateChanged(ItemEvent e){
if(e.getStateChange()==e.SELECTED){
c.setBackground(Color.cyan);
restart=new JButton("重新开始");
pause=new JButton("暂停");
speed_add=new JButton("加速");
speed_sub=new JButton("减速");
mode=new JComboBox(modes);
}
public void getmap(int[][] map){
for(int i=0;i<20;i++)
for(int j=0;j<20;j++)
map[i][j]=m.map[i][j];
snakeX=m.snakeX;
snakeY=m.snakeY;
foodX=m.foodX;
foodY=m.foodY;
image[2].getImage(),
image[3].getImage(),
image[4].getImage(),
image[5].getImage(),
image[6].getImage(),
image[7].getImage()
};
node n1=new node(snakeX-1,snakeY);
一、功能简介
可以通过面板上的按钮和键盘上的“+”，“-”实现加速，减速。
可以通过面板上的按钮和键盘上的“r“来实现重新开始游戏。
可以在面板上通过复选框选择游戏模式（挑战模式，普通模式）。
二、运行结果截图
二、代码
1、地图
package snake;
import java.io.BufferedR来自百度文库ader;
g.setColor(Color.BLACK);
g.drawString(" "+speed, 30, 120);
break;
}
requestFocus();
}
public class snakemove extends Thread{
map m=new map(level); //加载地图
int[][] map=new int[20][20];
restart.addActionListener(this);
pause.addActionListener(this);
speed_add.addActionListener(this);
speed_sub.addActionListener(this);
c.add(restart);
c.add(pause);
snakeY=j;
}
if(map[i][j]==5){
foodX=i;
foodY=j;
}
}
}
}
catch (FileNotFoundException e){
e.printStackTrace();//深层次的输出异常调用的流程
}
catch (IOException e){
e.printStackTrace();//深层次的输出异常调用的流程
int snakeX,snakeY;
int foodX,foodY;
public map(int level){
String filepath="mapc/"+level+".txt";
File file = new File(filepath);
FileReader fr = null;//利用FileReader流来读取一个文件中的数据