原生JavaScript实现简单五子棋游戏
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2022-06-24 22:14:39
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。
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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