javascript编写贪吃蛇游戏
代码很简单，这里就不多BB了，小伙伴们直接看示例吧
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<metahttp-equiv="Content-Type"content="text/html;charset=gb2312"/>
<title>无标题文档</title>
</head>
<body>
<style>
*{
margin:0;
padding:0;
}
#wrap{
position:relative;width:400px;height:400px;
border:1pxsolid#ccc;
margin:10pxauto;
}
.snak,.snakBody{
position:absolute;
width:10px;height:10px;
background:#666;
}
.food{
position:absolute;width:10px;height:10px;
background:#09F;display:block;
}
</style>
<divid="wrap">
</div>
<scriptsrc="http://ftp152341.host180.web522.com/%E6%89%93%E8%9C%9C%E8%9C%82/zepto.js"></script>
<script>
varSnak,Food;;
Food=function(op){//op为zepto对象
varfood=$('<spanclass="food"></span>');
food.css({left:Math.floor(((op[0].clientWidth-10)*Math.random())),top:Math.floor(((op[0].clientHeight-10)*Math.random()))})
op.append(food);
};
Snak=function(op){
this.obj=document.createElement('div');
this.obj.className='snak';
this.op=op;
};
Snak.prototype.ev=function(){
var_this=this,code;
$(window).bind('keydown',function(e){
clearInterval(_this.downTimer);
code=e.keyCode;
_this.downTimer=setInterval(function(){
varl=_this.obj.offsetLeft,t=_this.obj.offsetTop;
switch(code){
case37:
l=l-5;
break;
case38:
t=t-5;
break;
case39:
l=l+5;
break;
case40:
t=t+5;
break;
};
if((l<0)||(t<0)||(l>400)||(t>400)){location.reload()};
_this.obj.style.left=l+'px';
_this.obj.style.top=t+'px';
varsnakB=$('.snakBody');
for(vari=snakB.length-1;i>=0;i--){
if(i==0){
snakB[0].style.left=l+'px';
snakB[0].style.top=t+'px';
}else{
snakB[i].style.left=snakB[i-1].offsetLeft+'px';
snakB[i].style.top=snakB[i-1].offsetTop+'px';
};
};
if(pz(_this.obj,$('.food')[0])){
$('.food').remove();
newFood(wrap);
$('<divclass="snakBody"></div>').appendTo(wrap)
};
},30);
}).bind('keyup',function(e){
});
};
functionpz(obj1,obj2){
varL1=obj1.offsetLeft;
varT1=obj1.offsetTop;
varR1=L1+obj1.offsetWidth;
varB1=T1+obj1.offsetHeight;
varL2=obj2.offsetLeft;
varT2=obj2.offsetTop;
varR2=L2+obj2.offsetWidth;
varB2=T2+obj2.offsetHeight;
if(L1>=R2||T1>=B2||R1<=L2||B1<=T2){
returnfalse;
}
returntrue;
};
varwrap=$('#wrap'),snak=newSnak(food);
varfood=newFood(wrap);
snak.ev();
wrap.append($('<divclass="snakBody"></div>'))[0].appendChild(snak.obj);
</script>
</body>
</html>
以上所述就是本文的全部内容了，希望大家能够喜欢。