原生JavaScript实现五子棋游戏
本文实例为大家分享了JavaScript实现五子棋游戏的具体代码，供大家参考，具体内容如下
1.HTML部分
<!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='https://www.haobala.com/bcjs/Gobang.js'></script></body></html>
2.JavaScript部分
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. + (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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