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JavaScript實(shí)現(xiàn)五子棋游戲的方法詳解

 更新時(shí)間:2019年07月08日 09:53:46   作者:webbc  
這篇文章主要介紹了JavaScript實(shí)現(xiàn)五子棋游戲的方法,結(jié)合實(shí)例形式詳細(xì)分析了javascript實(shí)現(xiàn)五子棋游戲的具體步驟、原理與相關(guān)操作技巧,需要的朋友可以參考下

本文實(shí)例講述了JavaScript實(shí)現(xiàn)五子棋游戲的方法。分享給大家供大家參考,具體如下:

最近半個(gè)月一直在看深入的學(xué)習(xí)JavaScript,里面有很多重點(diǎn)和難點(diǎn),比如閉包、詞法分析、面向?qū)ο蟮取=裉旖o大家分享一個(gè)由JavaScript編寫的五子棋游戲,主要用到JavaScript的面向?qū)ο?、事件委托、閉包等知識(shí),還是挺有分量的,正好可以檢測(cè)學(xué)習(xí)的成果。

老規(guī)矩,先上圖,再說(shuō)話。

效果圖:

這里寫圖片描述

五子棋素材圖:

這里寫圖片描述

代碼:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <title>HTML五子棋游戲</title>
  <link rel="stylesheet" href="">
  <script>
    //五子棋的構(gòu)造函數(shù)
    function Game(){
      this.isWin = false;//游戲是否結(jié)束標(biāo)志
    }
    //閉包計(jì)棋器
    Game.cnt = (function(){
      var curr = 'black';
      return function(){
        var tmp = curr;
        if(curr == 'black'){
          curr = 'white';
        }else{
          curr = 'black';
        }
        return tmp;
      }
    })();
    //下棋函數(shù)
    Game.xiaQi = function(g){
      //判斷選擇的位置是否已經(jīng)下過(guò)棋了
      if(this.style.backgroundImage.indexOf('gif') >= 0){
        alert('這里已經(jīng)下過(guò)棋了');
        return ;
      }
      var color = Game.cnt();
      this.style.backgroundImage = "url(./images/"+color+".gif)";
      Game.judge.call(this,color,g);//判定函數(shù)
    }
    //判定游戲是否結(jié)束
    Game.judge = function(color,g){
      var tds = document.getElementsByTagName('td');
      //獲取當(dāng)前棋子所下的位置
      var curr = {x:this.cellIndex,y:this.parentElement.rowIndex,color:color};
      var line = ['','','',''];//表示當(dāng)前棋子的橫、豎、左斜、右斜方向的棋子
      //遍歷255個(gè)棋格,看看是否能贏
      for(var i=0,tmp={};i<tds.length;i++){
        tmp = {x:tds[i].cellIndex,y:tds[i].parentElement.rowIndex,color:'0'};
        if(tds[i].style.backgroundImage.indexOf('black') >= 0){
          tmp.color = 'b';
        }else if(tds[i].style.backgroundImage.indexOf('white') >= 0){
          tmp.color = 'w';
        }
        //獲取當(dāng)前棋子的橫向其他棋子的坐落情況
        if(curr.y == tmp.y){
          line[0] += tmp.color;
        }
        //獲取當(dāng)前棋子的豎向其他棋子的坐落情況
        if(curr.x == tmp.x){
          line[1] += tmp.color;
        }
        //獲取當(dāng)前棋子的左斜方向其他棋子的坐落情況
        if(curr.x+curr.y == tmp.x+tmp.y){
          line[2] += tmp.color;
        }
        //獲取當(dāng)前棋子的右斜方向其他棋子的坐落情況
        if(curr.x-tmp.x == curr.y-tmp.y){
          line[3] += tmp.color;
        }
      }
      color = color == 'black'?'bbbbb':'wwwww';
      //判斷是否五子連珠
      for(var i=0;i<line.length;i++){
        if(line[i].indexOf(color) >=0){
          alert('你贏了');
          g.isWin = true;
          break;
        }
      }
    }
    //頁(yè)面加載完成
    window.onload = function(){
      var g = new Game();
      document.getElementsByTagName('table')[0].onclick = function(ev){
        //判斷是否已經(jīng)贏得游戲
        if(g.isWin){
          alert('此局已結(jié)束,請(qǐng)重新開(kāi)始');
          return;
        }
        Game.xiaQi.call(ev.srcElement,g);//下棋
      }
    }
  </script>
</head>
<style>
  table{
  border-collapse:collapse;
  width:540px;
  height:540px;
  border:solid 1px blue;
  margin:auto;
  background-image: url('./images/background.gif');
}
</style>
<body>
<table>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
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    <td>&nbsp;</td>
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  </tr>
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    <td>&nbsp;</td>
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  </tr>
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</table>
</body>
</html>

今天不知道怎么搞的,寫博客的時(shí)候上傳不了圖片,還好我機(jī)智,把圖片存到GitHub上,好了,來(lái)講代碼。首先,我必須先說(shuō)明一下,我覺(jué)得代碼還有很大的優(yōu)化空間,感興趣的同學(xué)可以繼續(xù)研究。

實(shí)現(xiàn)思路:首先創(chuàng)建一個(gè)表格,共15行,15列,把背景改成棋盤的圖片,給這個(gè)table添加onclick事件,這里使用到了事件委托,事件委托我在之前的文章有介紹過(guò),感興趣的同學(xué)可以去看看。去調(diào)用xiaQi函數(shù),在下棋函數(shù)中,先判斷選擇的位置是否已經(jīng)下過(guò)棋了,使用閉包獲取下一個(gè)棋子的顏色,然后調(diào)用judge函數(shù),在函數(shù)中先獲取當(dāng)前棋子所下的位置,遍歷255個(gè)棋格,看看是否能贏,判斷是否五子連珠,如果有則游戲結(jié)束。

PS:這里再為大家推薦另一款本站的js版五子棋游戲供大家參考(其AI相對(duì)簡(jiǎn)單一些)

在線五子棋游戲:
http://tools.jb51.net/games/wuziqi

更多關(guān)于JavaScript相關(guān)內(nèi)容感興趣的讀者可查看本站專題:《JavaScript數(shù)據(jù)結(jié)構(gòu)與算法技巧總結(jié)》、《JavaScript數(shù)學(xué)運(yùn)算用法總結(jié)》、《JavaScript切換特效與技巧總結(jié)》、《JavaScript查找算法技巧總結(jié)》、《JavaScript動(dòng)畫特效與技巧匯總》、《JavaScript錯(cuò)誤與調(diào)試技巧總結(jié)》及《JavaScript遍歷算法與技巧總結(jié)

希望本文所述對(duì)大家JavaScript程序設(shè)計(jì)有所幫助。

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