jquery五子棋javascript

原生JavaScript实现简单五子棋游戏

本文实例为大家分享了JavaScript实现简单五子棋游戏的具体代码,供大家参考,具体内容如下

HTML页面

注释都很明确了,大家好好学习。

  • <!DOCTYPE html>
    <html lang="en">
     
    <head>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, user-scalable=no">
      <title>五子棋</title>
      <style>
        * {
          margin: 0px;
          padding: 0px;
        }
     
        .box {
          border-spacing: 0px;
          border: 1px solid #3c3c3c;
          background-color: #e1e1e2;
          margin: auto;
        }
        
        .piece {
          border-spacing: 0px;
          border: 1px solid;    
        }
      </style>
     
    </head>
     
    <body>
      <script type="text/javascript" src="./Gobang.js"></script>
    </body>
     
    </html>
    
  • Javascript

  • var ScreenWidth = {
      documentWidth: 500,
      containerWidth: 400, // 容器默认宽度
      cellWidth: 20 // 单元格宽度
    }
    if (document.documentElement.clientWidth < 500) {
      ScreenWidth.documentWidth = document.documentElement.clientWidth;
      ScreenWidth.containerWidth = ScreenWidth.documentWidth * 0.8;
      ScreenWidth.cellWidth = ScreenWidth.containerWidth * 0.05;
    }
    //常量
    var reg = /\d{1,2}/g;
    var white = []; // 放白子
    var black = []; // 放黑子
    var tempKey = false; // 判断是走黑子还是白子
    var notOver = true; // 判断游戏是否结束
    var tips = "白棋走"; // 提示走棋
    var count = 0;//相连的个数
    var bv = false; // 黑棋胜利
    var wv = false; // 白棋胜利 
    var yCanWin = [];// 同一竖元素存放的数组
    var xCanWin = [];// 同一横元素存放的数组
    var xyCanWin = [];// 同一正斜存放的数组
    var yxCanWin = [];// 同一反斜存放的数组
    // 用计时器监听是否胜利
    var time = setInterval(function () {
      if (bv) {
        tips = "黑棋胜利";
        document.getElementsByTagName("span")[0].innerText = tips;
        for (var i = 0; i < document.getElementsByClassName("pieceBox").length; i++) {
          document.getElementsByClassName("pieceBox")[i].onclick = null;
        }
        clearInterval(time);
      }
      if (wv) {
        tips = "白棋胜利";
        document.getElementsByTagName("span")[0].innerText = tips;
        for (var i = 0; i < document.getElementsByClassName("pieceBox").length; i++) {
          document.getElementsByClassName("pieceBox")[i].onclick = null;
        }
        clearInterval(time);
      }
    }, 100);
    newGame();// 开始游戏
    function newGame() {
      if (document.getElementsByTagName("table").length) {
        for (var i = 0; i < document.getElementsByTagName("table").length; i++) {
          document.getElementsByTagName("table")[i].remove();
        }
      }
      // 初始化以下内容
      bgInit();
      pieceInit();
      spanFn();
      white = [];
      black = [];
      tempKey = false;
      notOver = true;
      tips = "白棋走";
      count = 0;
      bv = false;
      xCanWin = [];
      yCanWin = [];
      xyCanWin = [];
      yxCanWin = [];
    }
     
    function spanFn() {
      var span = document.createElement("span");
      document.body.insertBefore(span, document.getElementsByTagName("script")[0]);
      span.innerText = tips;
    }
    // 棋盘初始化
    function bgInit() {
      var table = document.createElement("table");
      table.className = "box"
      for (var y = 0; y < 20; y++) {
        var tr = document.createElement("tr");
        for (var x = 0; x < 20; x++) {
          var td = "<td class='box-" + y + "-" + x + "' style='width: " + ScreenWidth.cellWidth + "px; height: " + ScreenWidth.cellWidth + "px;border:1px solid #9c9c9c'></td>";
          tr.innerHTML += td;
        }
        table.appendChild(tr);
      }
      document.body.insertBefore(table, document.getElementsByTagName("script")[0]);
    }
     
    // 棋子初始化
    function pieceInit() {
      var table = document.createElement("table");
      table.className = "piece"
      table.style = "position: absolute; top: 0; left:50%; margin-left:-" + (ScreenWidth.containerWidth + 42) / 2 + "px";
      for (var y = 0; y < 20; y++) {
        var tr = document.createElement("tr");
        for (var x = 0; x < 20; x++) {
          var td = "<td class='piece-" + y + "-" + x + " pieceBox' style='width: " + ScreenWidth.cellWidth + "px; height: " + ScreenWidth.cellWidth + "px;border:1px solid transparent;border-radius: 50%;'></td>";
          tr.innerHTML += td;
        }
        table.appendChild(tr);
      }
      document.body.insertBefore(table, document.getElementsByTagName("script")[0]);
    }
     
    // 走棋
    for (var i = 0; i < document.getElementsByClassName("pieceBox").length; i++) {
      document.getElementsByClassName("pieceBox")[i].onclick = function () {
        if (tempKey) {
          this.style.backgroundColor = "#000";// 黑子
          tempKey = false;
          black.push(this.className.match(reg));
          victory(black, 0);//判断黑棋胜利与否
          if (notOver) {
            tips = tipsGo(tempKey);
            document.getElementsByTagName("span")[0].innerText = tips;
          }
        } else {
          this.style.backgroundColor = "#fff";// 白子
          tempKey = true;
          white.push(this.className.match(reg));
          victory(white, 1);//判断白棋胜利与否
          if (notOver) {
            tips = tipsGo(tempKey);
            document.getElementsByTagName("span")[0].innerText = tips;
          }
        }
        this.onclick = null;// 点击之后取消点击事件
      }
    }
     
    // 提示走黑还是走白
    function tipsGo(tempKey) {
      if (tempKey) {
        return "黑棋走";
      } else {
        return "白棋走";
      }
    }
     
    /**
     *判断各种赢的方式
     *x代表很坐标,y代表纵坐标
     *1.竖赢,就是x值相同,取y值排序后比较
     *2.横赢,就是y值相同,取x值排序后比较
     *3.正斜赢,x+y相同的值,取x或y排序后比较
     *4.反斜赢,x-y相同的值,取x或y排序后比较
     */
    function victory(target, c) {
      if (target.length >= 5) {
        // 1.竖赢yCanWin
        for (var i = 0; i < target.length; i++) {
          for (var j = 0; j < target.length; j++) {
            if (target[j][1] == target[i][1]) {
              yCanWin.push(target[j]);//把x相同的值放入数组yCanWin
            }
          }
          yWin(yCanWin, c);
          yCanWin = [];
        }
        // 2.横赢xCanWin
        for (var m = 0; m < target.length; m++) {
          for (var n = 0; n < target.length; n++) {
            if (target[n][0] == target[m][0]) {
              xCanWin.push(target[n]);//把y相同的值放入数组xCanWin
            }
          }
          xWin(xCanWin, c);
          xCanWin = [];
        }
        // 3.正斜赢xyCanWin(左下到右上)
        for (var a = 0; a < target.length; a++) {
          for (var b = 0; b < target.length; b++) {
            if (parseInt(target[b][0]) + parseInt(target[b][1]) == parseInt(target[a][0]) + parseInt(target[a][1])) {
              xyCanWin.push(target[b])
            }
          }
          yWin(xyCanWin, c);
          xyCanWin = [];
        }
        // 4.反斜赢yxCanWin(左上到右下)
        for (var v = 0; v < target.length; v++) {
          for (var w = 0; w < target.length; w++) {
            if (parseInt(target[w][0]) - parseInt(target[w][1]) == parseInt(target[v][0]) - parseInt(target[v][1])) {
              yxCanWin.push(target[w])
            }
          }
          xWin(yxCanWin, c);
          yxCanWin = [];
        }
      }
    }
    // 棋的竖赢条件(棋的正斜赢条件)
    function yWin(yCanWin, c) { // c = 0代表黑子 c = 1代表白子
      var sortArray = [];//排序数组  
      for (var i = 0; i < yCanWin.length; i++) {
        sortArray.push(yCanWin[i][0]);
      }
      sortArray.sort(function (x, y) {
        return x - y;
      });
      // 数组排序后,前数和后数加一相比(注意数值类型的转换)
      for (var j = 0; j < sortArray.length; j++) {
        if (sortArray[j + 1]) {
          if (parseInt(sortArray[j]) + 1 == parseInt(sortArray[j + 1])) {
            count++; // 每有一个连续则加一,一次不连续就清零
            if (count == 4 && c == 0) {
              bv = true;
              notOver = false;// 游戏结束
              return;
            } else if (count == 4 && c == 1) {
              wv = true;
              notOver = false;
              return;
            }
          } else {
            count = 0;
          }
        }
      }
      count = 0;
    }
    // 棋的横赢条件(棋的反斜赢条件)
    function xWin(xCanWin, c) {
      var sortArray = [];
      for (var i = 0; i < xCanWin.length; i++) {
        sortArray.push(xCanWin[i][1]);
      }
      sortArray.sort(function (x, y) {
        return x - y;
      });
      for (var j = 0; j < sortArray.length; j++) {
        if (sortArray[j + 1]) {
          if (parseInt(sortArray[j]) + 1 == parseInt(sortArray[j + 1])) {
            count++;
            if (count == 4 && c == 0) {
              bv = true;
              notOver = false;
              return;
            } else if (count == 4 && c == 1) {
              wv = true;
              notOver = false;
              return;
            }
          } else {
            count = 0;
          }
        }
      }
      count = 0;
    }
    
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