<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style type="text/css">
canvas{
display: block;
margin: 50px auto;
box-shadow: -2px -2px 2px #F3F2F2, 5px 5px 5px #6F6767;
}
body {
margin: 0;
padding: 0;
font-family:"Microsoft YaHei", "微软雅黑", "consolas";
background-image: url("image/54a1137bbeaa9.jpg");
background-attachment: fixed;
}
a {
text-decoration:none;
color:#000;
}
.navbar {
background-color:#000;
width:100%;
height:50px;
}
.container {
width: 1000px;
margin: 0 auto;
}
.navbar .navbar-content-1 a {
float: left;
color: #FFF;
line-height: 50px;
display: inline-block;
width: 90px;
white-space: nowrap;
text-align: left;
}
.navbar .navbar-content-2 a {
float: right;
color: #FFF;
line-height: 50px;
display: inline-block;
width: auto;
white-space: nowrap;
text-align: right;
}
.navbar .navbar-content a {
float: left;
color: #FFF;
line-height: 50px;
display: inline-block;
width: 90px;
white-space: nowrap;
text-align: center;
}
.navbar .navbar-content a:hover {
color: #CCC;
}
.news-list {
margin: 50px 0;
background-color: #FFF;
border-radius: 15px;
border: 1px solid #DDD;
padding: 30px 20px;
min-height: 300px;
}
.news-list:hover {
box-shadow: 0 0 5px 3px #CCC;
}
.about .about-des {
border-left: 5px solid #abc;
margin-top: 15px;
}
.about .about-des p {
padding-left: 10px;
line-height: 28px;
text-indent: 2em;
}
.news-list-left {
float: left;
width: 729px;
margin-bottom: 50px;
}
.news-list-right {
float: right;
width: 229px;
}
.news-title i {
display: inline-block;
width: 47px;
height: 43px;
margin-right: 10px;
background: url('image/54a1137bbeaa9.jpg') left center no-repeat;
vertical-align: middle;
}
.news-title a {
color: green;
}
.news-title a:hover {
text-decoration: underline;
}
.copyright {
clear: both;
text-align: center;
color: gray;
border-top: 2px solid #CCC;
margin-top: 50px;
padding: 20px 0;
}
button {
cursor: pointer;
width: 150px;
height: 44px;
margin-top: 25px;
padding: 0;
background: #ef4300;
-moz-border-radius: 6px;
-webkit-border-radius: 6px;
border-radius: 6px;
border: 1px solid #ff730e;
-moz-box-shadow:
0 15px 30px 0 rgba(255,255,255,.25) inset,
0 2px 7px 0 rgba(0,0,0,.2);
-webkit-box-shadow:
0 15px 30px 0 rgba(255,255,255,.25) inset,
0 2px 7px 0 rgba(0,0,0,.2);
box-shadow:
0 15px 30px 0 rgba(255,255,255,.25) inset,
0 2px 7px 0 rgba(0,0,0,.2);
font-family: 'PT Sans', Helvetica, Arial, sans-serif;
font-size: 14px;
font-weight: 700;
color: #fff;
text-shadow: 0 1px 2px rgba(0,0,0,.1);
-o-transition: all .2s;
-moz-transition: all .2s;
-webkit-transition: all .2s;
-ms-transition: all .2s;
}
button:hover {
-moz-box-shadow:
0 15px 30px 0 rgba(255,255,255,.15) inset,
0 2px 7px 0 rgba(0,0,0,.2);
-webkit-box-shadow:
0 15px 30px 0 rgba(255,255,255,.15) inset,
0 2px 7px 0 rgba(0,0,0,.2);
box-shadow:
0 15px 30px 0 rgba(255,255,255,.15) inset,
0 2px 7px 0 rgba(0,0,0,.2);
}
button:active {
-moz-box-shadow:
0 15px 30px 0 rgba(255,255,255,.15) inset,
0 2px 7px 0 rgba(0,0,0,.2);
-webkit-box-shadow:
0 15px 30px 0 rgba(255,255,255,.15) inset,
0 2px 7px 0 rgba(0,0,0,.2);
box-shadow:
0 5px 8px 0 rgba(0,0,0,.1) inset,
0 1px 4px 0 rgba(0,0,0,.1);
border: 0px solid #ef4300;
}
</style>
</head>
<body>
<nav class="navbar">
<div class="navbar-content-1">
<a href="https://blog.csdn.net/qq_40693171"> </a>
</div>
<div class=" container navbar-content">
<a href="https://blog.csdn.net/qq_40693171">csdn</a>
<a href="https://juejin.im/user/5c944a8bf265da6102098c31">掘金</a>
<a href="https://github.com/javasmall">github</a>
<a href="https://github.com/javasmall">公众号：bigsai</a>
</div>
<div class="navbar-content-2">
<a >66</a>
</div>
</nav>
<div class="container">
<h1>迷宫小游戏</h1>
<h4></h4>
<div class="news-list">
<div class="news-list-left">
<canvas id="mycanvas" width="600px" height="600px"></canvas>
</div>
<div class="news-list-right">
<div class="about">
<h4>关于我们</h4>
<div class="about-des">
<span id="mytime"></span>
<button οnclick="start()" >开始游戏</button>
<button οnclick="stop()">暂停</button>
<button οnclick="range()">排行榜</button>
<button οnclick="renovates()">重新开始</button>
</div>
<img src="http://biggsai.com//bigsai.png" width="100%" height="35%">
</div>
</div>
<footer class="copyright">
Copyright 2018 All rights reserved.
<div class="col-xs-12">本站总访问量：666</div>
<a target="_blank" href="http://wpa.qq.com/msgrd?v=3&uin=1315426911&site=qq&menu=yes">联系我们 </a>
<div><a href=http://www.miitbeian.gov.cn></a>苏ICP备18027982号</div>
</footer>
</div>
</div>
<script type="text/javascript">
var aa=14;
var chess = document.getElementById("mycanvas");
var context = chess.getContext('2d');
// var context2 = chess.getContext('2d');
// context.strokeStyle = 'yellow';
var tree = [];//存放是否联通
var isling=[];//判断是否相连
for(var i=0;i<aa;i++){
tree[i]=[];
for(var j=0;j<aa;j++){
tree[i][j]=-1;//初始值为0
}
} for(var i=0;i<aa*aa;i++){
isling[i]=[];
for(var j=0;j<aa*aa;j++){
isling[i][j]=-1;//初始值为0
}
}
function drawChessBoard(){//绘画
for(var i=0;i<aa+1;i++){
context.strokeStyle='gray';//可选区域
context.moveTo(15+i*30,15);//垂直方向画15根线，相距30px;
context.lineTo(15+i*30,15+30*aa);
context.stroke();
context.moveTo(15,15+i*30);//水平方向画15根线，相距30px;棋盘为14*14；
context.lineTo(15+30*aa,15+i*30);
context.stroke();
}
}
drawChessBoard();//绘制棋盘
// var mymap=new Array(36);
// for(var i=0;i<36;i++)
// {mymap[i]=-1;}
function getnei(a)//获得邻居号 random
{
var x=parseInt(a/aa);//要精确成整数
var y=a%aa;
var mynei=new Array();//储存邻居
if(x-1>=0){mynei.push((x-1)*aa+y);}//上节点
if(x+1<14){mynei.push((x+1)*aa+y);}//下节点
if(y+1<14){mynei.push(x*aa+y+1);}//有节点
if(y-1>=0){mynei.push(x*aa+y-1);}//下节点
var ran=parseInt(Math.random() * mynei.length );
return mynei[ran];
}
function search(a)//找到根节点
{
if(tree[parseInt(a/aa)][a%aa]>0)//说明是子节点
{
return search(tree[parseInt(a/aa)][a%aa]);//不能压缩路径路径压缩
}
else
return a;
}
function value(a)//找到树的大小
{
if(tree[parseInt(a/aa)][a%aa]>0)//说明是子节点
{
return tree[parseInt(a/aa)][a%aa]=value(tree[parseInt(a/aa)][a%aa]);//不能路径压缩
}
else
return -tree[parseInt(a/aa)][a%aa];
}
function union(a,b)//合并
{
var a1=search(a);//a根
var b1=search(b);//b根
if(a1==b1){}
else
{
if(tree[parseInt(a1/aa)][a1%aa]<tree[parseInt(b1/aa)][b1%aa])//这个是负数()，为了简单减少计算，不在调用value函数
{
tree[parseInt(a1/aa)][a1%aa]+=tree[parseInt(b1/aa)][b1%aa];//个数相加 注意是负数相加
tree[parseInt(b1/aa)][b1%aa]=a1; //b树成为a树的子树，b的根b1直接指向a；
}
else
{
tree[parseInt(b1/aa)][b1%aa]+=tree[parseInt(a1/aa)][a1%aa];
tree[parseInt(a1/aa)][a1%aa]=b1;//a所在树成为b所在树的子树
}
}
}
function drawline(a,b)//划线，要判断是上下还是左右
{
var x1=parseInt(a/aa);
var y1=a%aa;
var x2=parseInt(b/aa);
var y2=b%aa;
var x3=(x1+x2)/2;
var y3=(y1+y2)/2;
if(x1-x2==1||x1-x2==-1)//左右方向的点 需要上下划线
{
//alert(x1);
// context.beginPath();
context.strokeStyle = 'white';
// context.moveTo(30+x3*30,y3*30+15);//
// context.lineTo(30+x3*30,y3*30+45);
context.clearRect(29+x3*30, y3*30+16,2,28);
// context.stroke();
}
else
{
// context.beginPath();
context.strokeStyle = 'white';
// context.moveTo(x3*30+15,30+y3*30);//
// context.lineTo(45+x3*30,30+y3*30);
context.clearRect(x3*30+16, 29+y3*30,28,2);
// context.stroke();
}
}
while(search(0)!=search(aa*aa-1))//主要思路
{
var num = parseInt(Math.random() * aa*aa );//产生一个小于196的随机数
var neihbour=getnei(num);
if(search(num)==search(neihbour)){continue;}
else//不在一个上
{
isling[num][neihbour]=1;isling[neihbour][num]=1;
drawline(num,neihbour);//划线
union(num,neihbour);
}
}
var a=aa*30-10,b=aa*30-10;
var x = 20, y =20;
function load() {
var canvas = document.getElementById("mycanvas");
Context = canvas.getContext("2d");
Context.fillStyle = "blue";
Context.fillRect(x, y, 20, 20);
context.fillStyle = "red";
context.fillRect(a, b, 20, 20);
Context.fillStyle = "blue";
canvas.addEventListener('keydown', doKeyDown, true);
canvas.focus();
window.addEventListener('keydown', doKeyDown, true);
}
load();
function doKeyDown(e) {
//alert(x+" "+y);
// console.log(x+" "+y);测试
var keyID = e.keyCode ? e.keyCode : e.which;//获取按键的Unicode代码值
if(i==1){
if (keyID === 38 || keyID === 87) { // W键以及上键的移动方向
if(y-30<0){}
else if(isling[(x-20)/30*aa+(y-20)/30][((x-20)/30)*aa+(y-20)/30-1]!=1) {}
else {
clearCanvas();
y = y - 30;
Context.fillRect(x, y, 20, 20);
e.preventDefault();
gameover();
show();
}
}
if (keyID === 39 || keyID === 68) { // D键以及you键的移动方向
if(x+30>15+30*aa){}
else if(isling[(x-20)/30*aa+(y-20)/30][((x-20)/30)*aa+(y-20)/30+aa]!=1) {}
else{
clearCanvas();
x=x+30;
Context.fillRect(x, y, 20, 20);
e.preventDefault();
gameover();
show();
}
}
if (keyID === 40 || keyID === 83) { // S键以及下键的移动方向
if(y+30>15+30*aa){}
else if(isling[(x-20)/30*aa+(y-20)/30][((x-20)/30)*aa+(y-20)/30+1]!=1) {}
else{
clearCanvas();
y = y + 30;
Context.fillRect(x, y, 20, 20);
e.preventDefault();
gameover();
show();
}
}
if (keyID === 37 || keyID === 65) { // A键以及zuo向
if(x-30<0){}
else if(isling[(x-20)/30*aa+(y-20)/30][((x-20)/30)*aa+(y-20)/30-aa]!=1) {}
else{
clearCanvas();
x = x - 30;
Context.fillRect(x, y, 20, 20);
e.preventDefault();
gameover();
show();
}}
}
}
function clearCanvas() {//清除之间的痕迹
Context.clearRect(x-2, y-2, 25, 25)
}
var end=false;
function gameover()
{
if(x>=a&&y>=b)
{
end=true;
}
}
function show()
{
if(end==true)
{
// stop();
aa=aa+2;
if(aa==20){ rangeinsert(); stop();}
else{
end=false;
Context.clearRect(0, 0, 600, 600);
for(var i=0;i<aa;i++){
tree[i]=[];
for(var j=0;j<aa;j++){
tree[i][j]=-1;//初始值为0
}
} for(var i=0;i<aa*aa;i++){
isling[i]=[];
for(var j=0;j<aa*aa;j++){
isling[i][j]=-1;//初始值为0
}
}
drawChessBoard();//绘制棋盘
while(search(0)!=search(aa*aa-1))//主要思路
{
var num = parseInt(Math.random() * aa*aa );//产生一个小于196的随机数
var neihbour=getnei(num);
if(search(num)==search(neihbour)){continue;}
else//不在一个上
{
isling[num][neihbour]=1;isling[neihbour][num]=1;
drawline(num,neihbour);//划线
union(num,neihbour);
}
}
a=aa*30-10,b=aa*30-10;
x = 20, y =20;
load();
// start();
}
// alert("游戏成功！共用时："+str);
}
}
var h=m=s=ms= 0; //定义时，分，秒，毫秒并初始化为0；
var time=0;
var i=0;
function timer(){ //定义计时函数
ms=ms+50; //毫秒
if(ms>=1000){
ms=0;
s=s+1; //秒
}
if(s>=60){
s=0;
m=m+1; //分钟
}
if(m>=60){
m=0;
h=h+1; //小时
}
str =toDub(h)+"时"+toDub(m)+"分"+toDub(s)+"秒"+toDubms(ms)+"毫秒";
mytime = document.getElementById('mytime');
mytime.innerHTML = str;
// document.getElementById('mytime').innerHTML=h+"时"+m+"分"+s+"秒"+ms+"毫秒";
}
function reset(){ //重置
i=1;
time=setInterval(timer,50);
}
function start(){ //开始
i=1;
time=setInterval(timer,50);
}
function stop(){ //暂停
i=0;
clearInterval(time);
}
function toDub(n){ //补0操作
if(n<10){
return "0"+n;
}
else {
return ""+n;
}
}
function toDubms(n){ //给毫秒补0操作
if(n<10){
return "00"+n;
}
else {
return "0"+n;
}
}
function renovates(){
document.location.reload();
}
var req;//创建对象
function range()
{
var url = "";//ajax
//创建一个XMLHttpRequest对象req
if(window.XMLHttpRequest) {
//IE7, Firefox, Opera支持
req = new XMLHttpRequest();
}else if(window.ActiveXObject) {
//IE5,IE6支持
req = new ActiveXObject("Microsoft.XMLHTTP");
}
req.open("GET", url, true);
//onreadystatechange属性存有处理服务器响应的函数,有5个取值分别代表不同状态
req.onreadystatechange = callback;
//send函数发送请求
req.send(null);
}
function rangeinsert()
{
var url = "insertrange?id=" +(m*60+ s);
//创建一个XMLHttpRequest对象req
if(window.XMLHttpRequest) {
//IE7, Firefox, Opera支持
req = new XMLHttpRequest();
}else if(window.ActiveXObject) {
//IE5,IE6支持
req = new ActiveXObject("Microsoft.XMLHTTP");
}
req.open("GET", url, true);
//onreadystatechange属性存有处理服务器响应的函数,有5个取值分别代表不同状态
req.onreadystatechange = callback;
//send函数发送请求
req.send(null);
}
function callback() {
if(req.readyState == 4 && req.status == 200) {
var check = req.responseText;
alert(check);
}
}
</script>
</body>
</html>原文：https://blog.csdn.net/qq_40693171/article/details/100716766
