用JavaScript编写小游戏 －扫雷
2007-12-08 15:48:51 来源：WEB开发网闲时用JavaScript编写了一个小游戏：扫雷，发出来大家PP，呵呵……
<html>
<head>
<meta http-equiv=Content-Type content=text/html; charset=gb2312>
<title>无标题文档</title>
<style>
.cl1{width:20;height:20;border-width:3px;border-style:solid;border-left-color:#ffffff;border-top-color:#ffffff;border-right-color:#808080;border-bottom-color:#808080;background-color:c0c0c0;}
.cl2{width:20;height:20;border-width:3px;border-style:solid;border-color:#c0c0c0;background-color:#c0c0c0;}
.inputClass{width:40px;height:20px;border-style:solid;border-width:1px;}
</style>
</head>
<body style=font-size:12px; oncontextmenu=return false; bgcolor=#000000>
<div align=center><font color=#FFFF00><strong>Supper Landmine Scanning</strong></font>
</div>
<div align=center style=color:#ffffff><br>
你已经标记的雷数:<span id=mark style=color:#ff0000>0</span> 流逝的时间:<span id=time style=color:#ff0000>0</span>秒</div>
<div id=boardContainer></div>
<script src=queue.js></script>
<script>
function board(mNum,w,h)
{
this.mineNum=mNum;
this.height=h;
this.width=w;
this.board=new Array(h);
this.tempBoard=new Array(h);
this.mineP=null;
//direction 有左上到右下，顺时针。
this.direction=new Array(new Array(-1,-1),new Array(0,-1),new Array(1,-1),new Array(1,0),new Array(1,1),new Array(0,1),new Array(-1,1),new Array(-1,0));
this.makeEmptyBoard=makeEmptyBoard;
this.makeMine=makeMine;
this.makeThreadNum=makeThreadNum;
this.onclick=onclick;
this.handleZeroArea=handleZeroArea;
this.check=check;
this.markNum=0;
this.blankLeft=w*h;
this.timer=0;
var n=(mNum<=w*h/2)?0:-1000;
this.makeEmptyBoard(n);
for(var t=0;t<h;t++)
this.tempBoard[t]=new Array(this.width);
}
function check(position,increase)
{
if(increase)
{
this.markNum++;
document.all(mark).innerText=this.markNum;
this.tempBoard[position[0]][position[1]]=this.board[position[0]][position[1]];
this.board[position[0]][position[1]]=10;
}
else
{
this.markNum--;
document.all(mark).innerText=this.markNum;
this.board[position[0]][position[1]]=this.tempBoard[position[0]][position[1]];
}
}
function handleZeroArea(position)
{
this.blankLeft--;
this.board[position[0]][position[1]]=9;//将已经访问的o数据改成9即标记已经访问
document.all(position[0]+_+position[1]).className=cl2;
var newPosition=new Array(2);
var queue=new Queue();
queue.enter(position);
while(!queue.isempty())
{
p=queue.retrieve();
queue.leave();
for(var k=0;k<8;k++)//这个var一定要用！！！！！！！！！！！！！！！！！！！！！！！！！！
{
newPosition[0]=parseInt(p[0])+parseInt(this.direction[k][1]);
newPosition[1]=parseInt(p[1])+parseInt(this.direction[k][0]);
if(newPosition[0]>=0&&newPosition[0]<this.height&&newPosition[1]>=0&&newPosition[1]<this.width)//没有溢出则执行下边的处理
{
if(this.board[newPosition[0]][newPosition[1]]==-1000||this.board[newPosition[0]][newPosition[1]]>0)//为地雷，或者已经显示的就不做处理
continue;
else if(this.board[newPosition[0]][newPosition[1]]<0)//非地雷，非已经显示，表示要显示
{
this.board[newPosition[0]][newPosition[1]]=-this.board[newPosition[0]][newPosition[1]];
document.all(newPosition[0]+_+newPosition[1]).innerText=this.board[newPosition[0]][newPosition[1]];
document.all(newPosition[0]+_+newPosition[1]).className=cl2;
this.blankLeft--;
}
else if(this.board[newPosition[0]][newPosition[1]]==0)
{
this.blankLeft--;
this.board[newPosition[0]][newPosition[1]]=9;//将已经访问的o数据改成9即标记已经访问
document.all(newPosition[0]+_+newPosition[1]).className=cl2;
queue.enter(newPosition);
}
}
}
}
}
function makeEmptyBoard(num)
{
var w=parseInt(this.width*20)+parseInt(this.width)+1;
var htmlCode=<table id=board width=+w+ align=center border=0 cellpadding=0 cellspacing=1 onselectstart=return false; onClick=\if(event.srcElement.tagName.toUpperCase()!=TD)return;if(event.srcElement.innerText!=@)scanBomb.onclick(event.srcElement.id.split(_),event.srcElement)\ style=cursor:default oncontextmenu=\if(event.srcElement.className==cl1){event.srcElement.innerText=event.srcElement.innerText==@? :@;if(event.srcElement.innerText==@)scanBomb.check(event.srcElement.id.split(_),true);else scanBomb.check(event.srcElement.id.split(_),false);}\>;
for(i=0;i<this.height;i++)
{
this.board[i]=new Array(this.width);
htmlCode+=<tr>;
for(j=0;j<this.width;j++)
{
htmlCode+=<td id=+i+_+j+ align=center class=cl1> </td>
this.board[i][j]=num;
}
htmlCode+=</tr>;
}
htmlCode+=</table>;
document.all(boardContainer).innerHTML=htmlCode;
this.makeMine();
this.makeThreadNum();
}
function makeMine()//num为空白或者bomb的个数，当bomb小于等于格数的一半的时候num为bomb数，否则为空白数
{
var condition=(this.mineNum<=Math.round(this.width*this.height/2));
var num=condition?this.mineNum:this.width*this.height-this.mineNum;
var str=new Array(;
for(var i=0;i<num-1;i++)
str+=new Array(2),;
str+=new Array(2));
eval(var position=+str);
for(var i=0;i<num;i++)//这里产生不重复随机数的方法太差了！！！！！
{
position[i][0]=Math.round(Math.random()*(this.height-1));
position[i][1]=Math.round(Math.random()*(this.width-1));
for(var j=0;j<i;j++)//检查是否重复
{//alert(i,j:+i+,+j);
if(position[i][0]==position[j][0])
if(position[i][1]==position[j][1])
{
//alert(repeat!);
position[i][0]=Math.round(Math.random()*(this.height-1));
position[i][1]=Math.round(Math.random()*(this.width-1));
j=0;
}
}
}//这里不重复随机数的产生方法太差了！！！！！
if(condition)//true 表示产生的是mine的position，false表示产生的是空白的position
{
this.mineP=position;
for(var i=0;i<num;i++)
{
this.board[parseInt(position[i][0])][parseInt(position[i][1])]=-1000;
}
}
else
{
for(var k=0;k<num;k++)
this.board[position[k][0]][position[k][1]]=0;
this.mineP=new Array(this.mineNum);
var counter=0;
for(var i=0;i<this.height;i++)
{
for(var j=0;j<this.width;j++)
if(this.board[i][j]==-1000)
{
this.mineP[counter]=new Array(2);
this.mineP[counter][0]=i;
this.mineP[counter][1]=j;
counter++;
}
}
}
}
function makeThreadNum()
{
for(i=0;i<this.height;i++)
for(j=0;j<this.width;j++)
{
if(this.board[i][j]==-1000)continue;
for(k=0;k<this.mineNum;k++)
if(Math.abs(i-this.mineP[k][0])<=1&&Math.abs(j-this.mineP[k][1])<=1)
this.board[i][j]--;
}
}
function onclick(position,ob)
{
var flag=ob.className!=cl2;
if(this.board[position[0]][position[1]]==0)
this.handleZeroArea(position);
else if(this.board[position[0]][position[1]]==-1000)
{
ob.style.borderColor=red;
ob.style.backgroundColor=red;
for(i=0;i<this.mineNum;i++)
{
document.all(this.mineP[i][0]+_+this.mineP[i][1]).innerText=*;}
alert(You lose!\nSpend time:+this.timer+seconds.);
//location.reload();
return;
}
else if(this.board[position[0]][position[1]]<0)
{
this.board[position[0]][position[1]]=-this.board[position[0]][position[1]];
ob.innerText=this.board[position[0]][position[1]];
ob.className=cl2;
this.blankLeft--;
}
if(this.blankLeft==this.mineNum&&flag)
alert(You win!\nYou spend +this.timer+ seconds this time.);
}
</script>
<br>
<div align=center style=color:#ffffff> 地雷数:
<input type=text name=textfield1 class=inputClass value=40>
行数:
<input type=text name=textfield2 class=inputClass value=15>
列数:
<input type=text name=textfield3 class=inputClass value=15>
<br>
<br>
<input type=submit name=Submit value=开始游戏 onclick=this.value=再来一次;begin(document.all(textfield1).value,document.all(textfield3).value,document.all(textfield2).value); style=width:70;height:20;font-size:12px;>
</div>
<script>
var scanBomb;
var t
function begin(bombNum,width,height){
re=/^[1-9]\d*$/gi;
if(!(re.test(bombNum+width+height))){alert(你的输入有误！);return;}
document.all(mark).innerText=0;
document.all(time).innerText=0;
if(t!=null)window.clearInterval(t);
if(bombNum>=width*height)
{alert(地雷的数量不能超过或者等于地图的格数！);return;}
scanBomb=new board(parseInt(bombNum),parseInt(width),parseInt(height));
alert(确定后开始！);
t=window.setInterval(document.all(time).innerText=(++scanBomb.timer);,1000);
}
</script>
<br>
<div align=center style=color:#ffffff>----------------------Power by Hill.Chiu
丘の工作室----------------------<br>
<a href=mailthillhero789@sina.com><font color=#FFFFFF>给我意见</font></a><br>
Run at IE5.5+</div>
</body>
</html>
//---------------------------------------------------------------
queue.js文件：
// JavaScript Document
function node(value,next)//value为position
{
if(value!=null)
{
this.value=new Array(2);
this.value[0]=value[0];
this.value[1]=value[1];}
else
this.value=null;
this.next=next;
}
function Queue()
{
this.first=null;//头指针
this.rear=null;//尾指针
this.size=0;//私有
//以下为方法：
this.enter=enter;//进入队列
this.leave=leave;//离开队列
this.isempty=isempty;//判断队列是否为空
this.retrieve=retrieve;//不离开队列,取得数据
}
function isempty()
{
return this.size==0?true:false;
}
function enter(value)
{
if(this.size==0)
this.first=this.rear=new node(value,null);
else
{
this.rear.next=new node(value,null);
this.rear=this.rear.next;
}
this.size++;
}
function leave()
{
if(!this.isempty())
{
var temp=this.first;
this.first=this.first.next;
delete temp;
this.size--;
return true;
}
else
return false;
}
function retrieve()
{
if(!this.isempty())
{
return this.first.value;
}
else
return null;
}
Tags：JavaScript 编写 小游戏
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