bcbk/bcbk_css.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;box-sizing: border-box;box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;}
	#gameZone{width: 302px;height: 602px;margin: 20px auto;position: relative;overflow: hidden;border: 1px solid orange;}
	.square{width: 75px;height: 100px;float: left;border: 1px solid black;}
	.squareBlack{width: 75px;height: 100px;float: left;border: 1px solid black;background: black;}
	</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 order=(function(){
			var li="boardb";
			return function(){
				if(li=='boarda')li='boardb';
				else li='boarda';
				return li;
			}
		})()
		var locArr=[];
		//每次点击判定结果
		function judge(){
			if(count!=0&&count%15==0){
				clearTimeout(timer);
				newtimer=50-count/15*5;
				timer=setInterval('fall()',newtimer);
			}
			var num=this.id.substr(3)
			if(num!=locArr.pop()){
				clearTimeout(timer);
				alert("你的得分为："+count+"分！");
				return;
			}else{
				loc+=100;
				this.style.background="silver";
				count+=1;
			}
		}

		//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locArr中
		function drawBoard(){
			var temArr=generateRand();
			locArr=temArr.concat(locArr);
			var board=document.createElement('div');
			board.setAttribute('id',order());
			board.style.position="absolute";
			board.style.top='-600px';
			for(var i=0;i<24;i++){
				var ele=document.createElement('div');
				ele.setAttribute('id',"ele"+i);
				if(temArr.indexOf(i)>-1){
					ele.setAttribute('class','squareBlack')
				}else{
					ele.setAttribute('class','square');
				}
				ele.addEventListener('click',judge,false);
				board.appendChild(ele);
			}
			var gameZone=document.getElementById('gameZone');
			gameZone.appendChild(board);
		}
		//找到脚本中存在的三个大方框，使其往下滚动
		function fall(){
			gameZone=document.getElementById('gameZone');
			var boarda=document.getElementById('boarda');
			var anowtop=parseInt(boarda.style.top);
			if(anowtop==595){
				gameZone.removeChild(boarda);
				drawBoard();
			}
			anowtop+=5;
			boarda.style.top=anowtop+"px";
			var boardb=document.getElementById('boardb');
			var bnowtop=parseInt(boardb.style.top);
			if(bnowtop==595){
				gameZone.removeChild(boardb);
				drawBoard();
			}
			bnowtop+=5;
			boardb.style.top=bnowtop+"px";
			loc-=5;
			if(loc==0){
				clearTimeout(timer);
				alert("你的得分为："+count+"分！");
				return;
			}
		}
		window.onload=function(){
			drawBoard();
			fall();
			timer=setInterval('fall()',50);
		}
	</script>
</head>
<body>
<div id="gameZone"><div id="boardb" style="position: absolute;top: 0px;"></div></div>
</body>
</html>