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.clie【自由互联：韩国服务器 转载请保留连接】ntWidth < 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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