bcbk/bcbk_ele.html at master · xiaoxiao0721/bcbk · GitHub

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<!DOCTYPE html>
<html>
<head>
	<title>别踩白块</title>
	<meta http-equiv="content-type" content="text/html;charset=utf-8">
	<style type="text/css">
	*{margin: 0px;padding: 0px;}
	#bg{width: 300px;height: 600px;border: 1px solid green;margin: 20px auto;position: relative;overflow: hidden;}
	.entity{background: url(./img/bg.png);position: absolute;}
	.sm{width: 75px;height: 100px;float: left;}
	.smb{width: 75px;height: 100px;float: left;background: url(./img/hk.png);}
	#nnn{width: 300px;height: 600px;background: url(./img/bg.png);position: absolute;top: 0px;}
	.bs{background:red;border:red 3px solid;}
	</style>
	<script type="text/javascript">
	var loc=600;//黑块落地失败判定
	var count=0;//点击总数
	//用闭包函数使每次创建的大框的ID不一样
		var list=(function(){
			var li="A";
			return function(){
				if(li=='yyy')li='nnn';
				else li='yyy';
				return li;
			}
		})()
		var rArr=[];
		//每次点击判定结果
		function judge(){
			var num=this.id.substr(3)
			if(num!=rArr.pop()){
				clearTimeout(timer);
				alert("你的得分为："+count+"分！");
				return;
			}else{
				loc+=100;
				this.style.background="silver";
				count+=1;
			}
			if(count!=0&&count%15==0){
				clearTimeout(timer);
				newtimer=50-count/15*5;
				timer=setInterval('move()',newtimer);
			}
		}
		//给每个小块添加事件
		function add_event(ddd,dArr){
			for(var i=0;i<24;i++){
				var ele=document.getElementById(ddd+i);
				if(dArr.indexOf(i)>-1){
					ele.setAttribute('class','smb')
				}else{
					ele.setAttribute('class','sm');
				}
				ele.addEventListener('click',judge,false);
			}
		}
		//产生大框中小黑框位置的随机数
		function generateRand(){
			var numArr=[];
			for(var j=0;j<6;j++){
				var num=Math.floor(Math.random()*4)+j*4;
				numArr.push(num);
			}
			return numArr;
		}
		//每次调用在图的上方升成一个待往下滚动的大方框，并将其黑色的部分的数字PUSH进rArr中
		function drawEntity(){
			var dArr=generateRand();
			rArr=dArr.concat(rArr);
			var entity=document.createElement('div');
			var ddd=list();
			entity.setAttribute('id',ddd);
			entity.setAttribute('class','entity');
			entity.style.top='-600px';
			for(var i=0;i<24;i++){
				var ele=document.createElement('div');
				ele.setAttribute('id',ddd+i);
				entity.appendChild(ele);
			}
			var bg=document.getElementById('bg');
			bg.appendChild(entity);
			add_event(ddd,dArr);
		}
		//找到脚本中存在的三个大方框，使其往下滚动
		function move(){
			bg=document.getElementById('bg');
			var a=document.getElementById('yyy');
			var anowtop=parseInt(a.style.top);
			if(anowtop==595){
				bg.removeChild(a);
				drawEntity();
			}
			anowtop+=5;
			a.style.top=anowtop+"px";
			var b=document.getElementById('nnn');
			var bnowtop=parseInt(b.style.top);
			if(bnowtop==595){
				bg.removeChild(b);
				drawEntity();
			}
			bnowtop+=5;
			b.style.top=bnowtop+"px";
			loc-=5;
			if(loc==0){
				clearTimeout(timer);
				alert("你的得分为："+count+"分！");
				return;
			}
		}
	</script>
</head>
<body>
<div id="bg"><div id="nnn"></div></div>
</body>
<script type="text/javascript">
	var bbb=document.getElementById('nnn');
	bbb.style.top='0px';
	drawEntity();
	move();
var timer=setInterval('move()',50);
</script>

</html>