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五子棋.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>五子棋</title>
<style>
.title {
text-align: center;
}
body {
background: linear-gradient(45deg, #fff6d5, #ffdcf4);
width: 100%;
margin: 0;
height: 100vh;
padding: 0;
}
.colorful {
background-image: linear-gradient(to right, red, orange, green, blue, green, orange, red, orange, green, blue, green, orange, red);
-webkit-text-fill-color: transparent;
-webkit-background-clip: text;
background-clip: text;
-webkit-background-size: 200% 100%;
background-size: 200% 100%;
animation: bgp 4s infinite linear;
}
@keyframes bgp {
0% {
background-position: 0 0;
}
100% {
background-position: -100% 0;
}
}
.chess {
display: block;
/*块级元素*/
margin: 50px auto;
box-shadow: 5px 5px 5px #505050, -1px -1px 1px #707070;
cursor: pointer;
}
div {
text-align: center;
}
.restart {
padding: 10px 20px;
background-color: #82cff3;
border-radius: 5px;
color: rgb(255, 255, 255);
cursor: pointer;
}
</style>
</head>
<body>
<h3 class="title colorful">--五子棋--</h3>
<canvas class="chess" width="450px" height="450px"></canvas>
<div>
<a class="restart" onclick="rst()">重新开始</a>
</div>
</body>
<script>
var chess = document.getElementsByClassName("chess")[0];
var title = document.getElementsByClassName("title")[0];
var context = chess.getContext("2d");
context.strokeStyle = "#7a7a7a"
window.onload = function () {
drawChessBoard();
}
function drawChessBoard() {
for (var i = 0; i < 15; i++) {
//设置横线起始点的坐标
context.moveTo(15, 15 + i * 30);
//设置横线结束点的坐标
context.lineTo(435, 15 + i * 30);
//连接2点
context.stroke();
//设置竖线的起始点坐标
context.moveTo(15 + i * 30, 15);
//设置竖线的结束点坐标
context.lineTo(15 + i * 30, 435);
//连接2点
context.stroke();
}
}
//设置赢法数组
/**
* 0,0,0
* 1,0,0
* 2,0,0
* 3,0,0
* 4,0,0
*
* 0,0,1
* 1,1,1
* 2,2,1
* 3,3,1
* 4,4,1
*
* 1,0,1
* 2,0,1
* 3,0,1
* 4,0,1
* 5,0,1
*/
var wins = [];
for (var i = 0; i < 15; i++) {
wins[i] = [];
for (var j = 0; j < 15; j++) {
wins[i][j] = []
}
}
//赢法的编号
var count = 0;
//统计横线赢法
for (var i = 0; i < 15; i++) {
for (var j = 0; j < 11; j++) {
for (var k = 0; k < 5; k++) {
wins[j + k][i][count] = true;
}
count++;
}
}
//统计竖线赢法
for (var i = 0; i < 15; i++) {
for (var j = 0; j < 11; j++) {
for (var k = 0; k < 5; k++) {
wins[i][j + k][count] = true;
}
count++;
}
}
//统计正斜线
for (var i = 0; i < 11; i++) {
for (var j = 0; j < 11; j++) {
for (var k = 0; k < 5; k++) {
wins[i + k][j + k][count] = true;
}
count++;
}
}
//统计反斜线
for (var i = 0; i < 11; i++) {
for (var j = 14; j > 3; j--) {
for (var k = 0; k < 5; k++) {
wins[i + k][j - k][count] = true;
}
count++;
}
}
//定义二维数组标记棋盘上的每个坐标是否已经下了棋子
let chessboard = [];
for (var i = 0; i < 15; i++) {
chessboard[i] = [];
for (var j = 0; j < 15; j++) {
chessboard[i][j] = 0;
}
}
console.log(chessboard);
//下棋
var me = true;//标记人是否可以下棋
var over = false;//标记游戏是否结束
var myWin = [];//记录用户在赢法上的分值
var computerWin = [];//记录计算机在赢法上的分值
for (var i = 0; i < count; i++) {
myWin[i] = 0;
computerWin[i] = 0;
}
chess.onclick = function (e) {
//如果游戏结束不可以下棋
if (over) {
return;
}
//判断人是否可以下棋
if (!me) {
return;
}
//获取x轴坐标
var x = e.offsetX;
//获取Y轴坐标
var y = e.offsetY;
var i = Math.floor(x / 30);
var j = Math.floor(y / 30);
if (chessboard[i][j] == 0) {
//下一个子
oneStep(i, j, me);
//标记已经落子
chessboard[i][j] = 1;
for (var k = 0; k < count; k++) {
if (wins[i][j][k]) {
myWin[k]++;
if (myWin[k] == 5) {
title.innerHTML = "恭喜你获胜了！！！~~~"
over = true;
}
}
}
if (!over) {
me = !me;
//计算机落子
computerAI()
}
}
}
function computerAI() {
//空白子在用户所占用赢法上的分值
var myScore = [];
//空白子在计算机所占用赢法上的分值
var computerScore = [];
for (var i = 0; i < 15; i++) {
myScore[i] = [];
computerScore[i] = [];
for (var j = 0; j < 15; j++) {
myScore[i][j] = 0
computerScore[i][j] = 0;
}
}
//空白字的最大分值
var max = 0;
//最大分值空白字所在的坐标
var x = 0, y = 0;
for (var i = 0; i < 15; i++) {
for (var j = 0; j < 15; j++) {
//判断是否是空白子
if (chessboard[i][j] == 0) {
for (var k = 0; k < count; k++) {
if (wins[i][j][k]) {
if (myWin[k] == 1) {
myScore[i][j] += 200;
} else if (myWin[k] == 2) {
myScore[i][j] += 400;
} else if (myWin[k] == 3) {
myScore[i][j] += 2000;
} else if (myWin[k] == 4) {
myScore[i][j] += 10000;
}
if (computerWin[k] == 1) {
computerScore[i][j] += 220;
} else if (computerWin[k] == 2) {
computerScore[i][j] += 420;
} else if (computerWin[k] == 3) {
computerScore[i][j] += 2200;
} else if (computerWin[k] == 4) {
computerScore[i][j] += 20000;
}
}
}
if (myScore[i][j] > max) {
max = myScore[i][j];
x = i;
y = j;
} else if (myScore[i][j] == max) {
if (computerScore[i][j] > max) {
max = computerScore[i][j];
x = i;
y = j;
}
}
if (computerScore[i][j] > max) {
max = computerScore[i][j];
x = i;
y = j;
} else if (computerScore[i][j] == max) {
if (myScore[i][j] > max) {
max = myScore[i][j];
x = i;
y = j;
}
}
}
}
}
oneStep(x, y, me);
chessboard[x][y] = 1;
for (var k = 0; k < count; k++) {
if (wins[x][y][k]) {
computerWin[k] += 1;
if (computerWin[k] == 5) {
setTimeout(() => {
alert("o(╯□╰)o抱歉计算机获胜了！！~~~")
title.innerHTML = "o(╯□╰)o抱歉计算机获胜了！！~~~"
}, 500);
over = true;
}
}
}
if (!over) {
me = !me;
}
}
//落子的方法
function oneStep(i, j, me) {
context.beginPath();
context.arc(15 + i * 30, 15 + j * 30, 13, 0, 2 * Math.PI);//画圆
context.closePath();
var color;
if (me) {
color = "#000000";
} else {
color = "red";
}
context.fillStyle = color;
context.fill();
}
function rst() {
window.location.reload();
}
</script>
</html>