java的贪吃蛇小游戏

package console; /** * @author: huluhulu~ * @date: 2022-06-28 11:02 * @description: 本文件为Console.java 主要提供了游戏的界面 * @version: 1.0 */ import data.Source; import object.*; import position.Pos; 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.ArrayList; import static object.Dir.*; import static object.Dir.DOWN; public class Console extends Panel implements KeyListener, ActionListener { //蛇和食物 private Snake snake; private Food food; private boolean start;//判断游戏是否开始 private boolean fail; //判断游戏是否失败结束 private boolean stop; //判断游戏是否暂停 private boolean fast; //判断游戏是否暂停 //游戏界面的大小:800*800 private int console_x,console_y; //一节的大小 private int block_x,block_y; //当前分数 与最大分数 private int score; private int maxScore; //双缓冲:避免gui闪烁 private Image iBuffer; private Graphics gBuffer; //计时器 Timer timer; Timer fastTimer; //无参构造函数 public Console(){ this.setFocusable(true); this.addKeyListener(this); //添加键盘监听 //初始化蛇和食物 this.snake=new Snake(); this.food=new Food(); //蛇和食物不重叠 while(snake.isInSnake(food.getPos())){ food.genFood(); } System.out.println("food pos:"+food.getPos().x+","+food.getPos().y); //初始化游戏状态 this.start=false; this.fail=false; this.stop=false; this.fast=false; //初始化游戏界面 this.console_x=800; this.console_y=800; //初始化一节的大小 this.block_x=10; this.block_y=10; //启动计时器 timer = new Timer(100,this); fastTimer= new Timer(50,this); timer.start(); } //带参构造函数 public Console(int console_x,int console_y,int block_x,int block_y,int time){ this.setFocusable(true); this.addKeyListener(this); //添加键盘监听 //初始化蛇和食物 this.snake=new Snake(console_x,console_y,block_x,block_y); this.food=new Food(console_x,console_y,block_x,block_y); //蛇和食物不重叠 while(snake.isInSnake(food.getPos())){ food.genFood(); } System.out.println("food pos:"+food.getPos().x+","+food.getPos().y); //初始化游戏状态 this.start=false; this.fail=false; this.stop=false; this.fast=false; //初始化游戏界面 this.console_x=console_x; this.console_y=console_y; //初始化一节的大小 this.block_x=block_x; this.block_y=block_y; //启动计时器 timer = new Timer(time,this); fastTimer= new Timer(time/2,this); timer.start(); } private void init(){ snake.init(); food.genFood(); this.score=0; //蛇和食物不重叠 while(snake.isInSnake(food.getPos())){ food.genFood(); } //初始化游戏状态 this.start=false; this.stop=false; this.fast=false; //启动计时器 timer.start(); } //绘图函数 public void paint(Graphics g) { if(iBuffer==null) { iBuffer=createImage(this.getSize().width,this.getSize().height); gBuffer=iBuffer.getGraphics(); } super.paint(gBuffer); this.setBackground(Color.white);//设置背景板为白色 //绘制游戏区域 gBuffer.setColor(Color.GRAY); gBuffer.fillRect(0,0,this.console_x+block_x,this.console_y+block_y); //获取蛇的位置 ArrayList<Pos> snakePos=snake.getSnakePos(); int len=snake.getLength(); //获取当前蛇头方向 Dir headDir=snake.getDir(); //获取食物位置 Pos foodPos=food.getPos(); //画贪吃蛇头部 switch (headDir){ case UP : Source.up.paintIcon(this,gBuffer,snakePos.get(0).x+block_x,snakePos.get(0).y+block_y); break; case DOWN : Source.down.paintIcon(this,gBuffer,snakePos.get(0).x+block_x,snakePos.get(0).y+block_y); break; case LEFT : Source.left.paintIcon(this,gBuffer,snakePos.get(0).x+block_x,snakePos.get(0).y+block_y); break; case RIGHT : Source.right.paintIcon(this,gBuffer,snakePos.get(0).x+block_x,snakePos.get(0).y+block_y); break; default: System.out.println("error head dir"); break; } //画贪吃蛇身体 for(int i=1;i<len;i++){ Source.body.paintIcon(this,gBuffer,snakePos.get(i).x+block_x,snakePos.get(i).y+block_y); } //画食物 Source.food.paintIcon(this,gBuffer,foodPos.x+block_x,foodPos.y+block_y); if(fail){//失败绘制失败提示 gBuffer.setColor(Color.GREEN); gBuffer.setFont(new Font("幼圆",Font.BOLD,50)); gBuffer.drawString("游戏失败",this.console_x/2-100,this.console_y/2-25); gBuffer.drawString("得分："+score,this.console_x/2-100,this.console_y/2+25); } if(!start){//游戏未开始 gBuffer.setColor(Color.GREEN); gBuffer.setFont(new Font("幼圆",Font.BOLD,20)); gBuffer.drawString("空格键开始/暂停游戏",(this.console_x-200)/2,(this.console_y-40)/2); gBuffer.drawString("space to start/stop：",(this.console_x-200)/2,(this.console_y-40)/2+20); } if(stop){//游戏暂停 gBuffer.setColor(Color.GREEN); gBuffer.setFont(new Font("幼圆",Font.BOLD,20)); gBuffer.drawString("空格键继续游戏",(this.console_x-140)/2,(this.console_y-40)/2); gBuffer.drawString("space to continue",(this.console_x-200)/2,(this.console_y-40)/2+20); } g.drawImage(iBuffer, 0, 0, this); } @Override public void actionPerformed(ActionEvent e) { if(!start || fail || stop){//不需要更新游戏界面 if(stop) System.out.println("stoped"); repaint();//调用绘图是因为需要绘制失败界面 if(fast){//这里是保证下一次有计时器能触发该函数 fastTimer.start(); } else{ timer.start(); } return; } //蛇移动 if(!snake.Move()){//蛇撞到自己 fail=true;//游戏失败 if(fast){ fastTimer.start(); } else{ timer.start(); } return;//结束函数 } //蛇吃到食物 if(Pos.isEqual(food.getPos(),snake.getPos())) { //移动 if(!snake.Eat()) { fail=true;//游戏失败 if(fast){ fastTimer.start(); } else{ timer.start(); } return; //结束函数 } //生成新的食物 food.genFood(); //蛇和食物不重叠 while(snake.isInSnake(food.getPos())){ food.genFood(); } System.out.println("food pos:"+food.getPos().x+","+food.getPos().y);