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Javascript 中的 js抓人游戏

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-10-12 浏览: 362 ::

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Javascript拖拽系列文章2之offsetLeft、offsetTop、offsetWidth、offsetHeight属性 JavaScript的学习入门整理篇

利用鼠标的位置进行计算偏移代码

点击运行可以看到效果:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无聊时写的游戏</title>
<style type="text/css">
*{padding:0;margin:0}
body{ background:#FFFFFF}
img{display:inline;float:left;position:absolute;}
#chat{display:inline;float:left;position:absolute;font-weight:bold;font-size:16px;}
h1{float:left}
span{float:left;font-size:32px;font-weight:bold;margin:0 20px}
#score{color:red}
#time{color:green}
#restart{clear:both;color:blue;text-align:center;font-size:32px;font-weight:bold;margin:0 20px;display:none; cursor:pointer}
</style>
</head>
<body onselectstart="return false">
<h1 onclick="sendChat();">啊! 这人好囧,快抓住他!</h1><span id="score">得分:0</span><span id="time">剩余:60秒</span><div
id="restart" onclick="restart()">重新开始</div>
<div id="chat">剩骑士,来抓我啊?</div>
<img src="/upload/tech/20091012/20091012092943_1ce927f875864094e3906a4a0b5ece68.gif" onclick="getScore()"/>
</body>
</html>
<script language="javascript" type="text/javascript">
var imgv,hitFlag=0,startTime,gameStatus=0,ret;
var score=0,chato,delay=0;
var chatArr=new Array();
chatArr[0]="剩骑士,来抓我啊?";
chatArr[1]="废柴职业 凸(- -)凸";
chatArr[2]="灌装奶粉 凸-_-凸";
chatArr[3]="万年三奶";
chatArr[4]="环保装哦";
chatArr[5]="咬我啊?";
function restart(){ var now = new Date(); startTime = now.getTime(); ret=setInterval("refreshTime()",10); gameStatus=1;hitFlag=0;score=0;delay=0; document.getElementById("score").innerHTML="得分:"+score; document.getElementById("restart").style.display="none";
}
function moveTo(o,left,top){ clearTimeout(imgv); if (Math.abs(o.offsetLeft-left)<1 && Math.abs(o.offsetTop-top)<1){ o.style.left=left; o.style.top=top; }else{ var tx=o.offsetLeft-(o.offsetLeft-left)/6; var ty=o.offsetTop-(o.offsetTop-top)/6; o.style.left=tx +"px"; o.style.top=ty +"px"; chato.style.left=tx+15+"px"; chato.style.top=ty-20+"px"; imgv=setTimeout(function(){moveTo(o,left,top)},10); } hitFlag--;
//软晨学习网 www.ruanchen.com
}
function randomMove(o){ if (gameStatus!=1) return; if (hitFlag<1){ moveTo(o,Math.random()*700,Math.random()*400+40); hitFlag=4; }
}
function getScore(){ if (gameStatus!=1) return; score++; alert('啊! 你抓到我了! 得分.'); document.getElementById("score").innerHTML="得分:"+score hitFlag=0; randomMove(this);
}
function refreshTime(){ var now = new Date(); var nowTime = now.getTime(); var leftTime=(3000-(parseInt((nowTime-startTime)/10)))/100; if (parseInt(leftTime) % 4 ==2 && delay==0) {sendChat();delay=1;setTimeout("delay=0",1000)} if (leftTime<=0){ leftTime=0; alert("抓囧人结束. 得分:"+score); gameStatus=0; clearInterval(ret); document.getElementById("restart").style.display="block"; } document.getElementById("time").innerHTML="剩余:"+leftTime+"秒";
}
function sendChat(){ var n=parseInt(Math.random()*6); document.getElementById("chat").innerHTML=chatArr[n]; setTimeout("document.getElementById('chat').innerHTML=''",3000)
}
window.onload=function(){ chato=document.getElementById("chat"); restart();
}
</script>

[Ctrl+A 全选提示:你可先修改部分代码,再按运行]

Javascript拖拽系列文章2之offsetLeft、offsetTop、offsetWidth、offsetHeight属性 JavaScript的学习入门整理篇

Javascript 中的 js抓人游戏

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