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JS实现网页游戏中滑块响应鼠标点击移动效果

网络编程 2021-07-04 21:03www.168986.cn编程入门
这篇文章主要介绍了JS实现网页游戏中滑块响应鼠标点击移动效果,涉及JavaScript针对页面鼠标事件、滚动事件及元素属性等相关操作技巧,具有一定参考借鉴价值,需要的朋友可以参考下

本文实例讲述了JS实现网页游戏中滑块响应鼠标点击移动效果。分享给大家供大家参考，具体如下

这是网页游戏中的一个有趣效果，可以完成以下几个动作滚动、scroll 8个方向、鼠标坐标获娶对象上下左右位置获取，大家可以自己添加、MoveReady和ScrollReady两个注释掉了 取消注释后防止鼠标连续点击效果叠加。

在线演示地址如下

具体代码如下

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://.w3./TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://.w3./1999/xhtml"><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>网页游戏中的一个有趣效果</title>
<style type="text/css">
html,body,div,span,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,address,big,cite,del,em,img,ins,small,strong,sub,sup,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,tbody,tfoot,tr,th,td{margin: 0;padding: 0;border: 0;outline: 0;font-size: 100%;vertical-align: baseline;background: transparent;}
body{font:12px/24px "宋体";background:#fff;color:#333;}
ol, ul{list-style:none;}
blockquote, q {quotes:none;}
blockquote:before, blockquote:after,
q:before, q:after {content: '';content:none;}
:focus {outline:0;}
ins {text-decoration:none;}
del {text-decoration:line-through;}
table {border-collapse:collapse;border-spacing:0;}
label{cursor:pointer}
input[type="button"]{cursor:pointer}
button{cursor:pointer}
strong{font-weight:normal;}
em{font-style:normal}
a{text-decoration:none;color:#f60}
a:hover{text-decoration:underline;}
.block{width:200px;height:200px;background:#e63;position:absolute;left:50%;:50%;border:3px solid #fdd;overflow:hidden;}
.moveBlock{width:1900px;height:2728px;background:url("//img.jbzj./file_images/article/201510/2015101993654799.jpg") left ;}
</style>
<script type="text/javascript">
var ie = ! -[1, ], myDate = new Date();
function Sin(x,v) {
 var y = Math.round(Math.sin(Math.PIx/180)100)/100;
 return ie?yv3:yv;
}
/返回数组序号/
Num = function(e, eles) {
 for (var i = 0; i < eles.length; i++) {
 if (eles[i] == e) { return i; }
 }
}
/字符串判定/
GetCur = function(Str, cur) {
 var str = new RegExp(cur, "gi")
 return str.test(Str);
}
/DOM构造/
var div=function(id){return new HtmlEle.init(id);}
HtmlEle={
 init:function(id){
  this[0]=id==Object?id:document.getElementById(id);
  return this;
 },
 css:function(s){
  for(var i in s){
   this[0].style[i]=s[i];
  }
 },
 Obj:function(){
  var obj=this[0];
  var objTop=obj.offsetTop,objLeft=obj.offsetLeft,objWidth=obj.offsetWidth,objHeight=obj.offsetHeight;
  return {:objTop,right:objLeft+objWidth,bottom:objTop+objHeight,left:objLeft,width:objWidth,height:objHeight}
 },
 MoveReady:true,
 Move:function(s,point){
  var obj=this[0],n=0,v=s,main=this,v2=90;
  if(this.MoveReady==true){
   //main.MoveReady=false;
   var Top=function(){
    n=n<v2?n+1:n;
    var m=Sin(n,v);
    if(m<Math.abs(s)){obj.style.=P-m+"px"}else{obj.style.=P-s+"px";clearInterval(myMove);main.MoveReady=true;};
   }
   var Right=function(){
    n=n<v2?n+1:n;
    var m=Sin(n,v);
    if(m<Math.abs(s)){obj.style.left=P+m+"px"}else{obj.style.right=P+s+"px";clearInterval(myMove);main.MoveReady=true;};
   }
   var Bottom=function(){
    n=n<v2?n+1:n;
    var m=Sin(n,v);
    if(m<Math.abs(s)){obj.style.=P+m+"px"}else{obj.style.=P+s+"px";clearInterval(myMove);main.MoveReady=true;};
   }
   var Left=function(){
    n=n<v2?n+1:n;
    var m=Sin(n,v);
    if(m<Math.abs(s)){obj.style.left=P-m+"px"}else{obj.style.left=P-s+"px";clearInterval(myMove);main.MoveReady=true;};
   }
   switch(point){
    case "" : var P=obj.offsetTop,Point=Top;break;
    case "right" : var P=obj.offsetLeft,Point=Right;break;
    case "bottom" : var P=obj.offsetTop,Point=Bottom;break;
    case "left" : var P=obj.offsetLeft,Point=Left;break;
   }
   var myMove=setInterval(Point,5)
  }
 },
 ScrollReady:true,
 Scroll:function(s,point){
  var obj=this[0],n=0,v=s,main=this,v2=90;
  if(this.ScrollReady==true){
   //main.ScrollReady=false;
   var Top=function(){
    n=n<v2?n+1:n;
    var m=Sin(n,v);
    if(m<Math.abs(s)){obj.scrollTop=P+m}else{obj.scrollTop=P+s;clearInterval(myMove);main.ScrollReady=true;};
   }
   var Right=function(){
    n=n<v2?n+1:n;
    var m=Sin(n,v);
    if(m<Math.abs(s)){obj.scrollLeft=P-m}else{obj.scrollLeft=P-s;clearInterval(myMove);main.ScrollReady=true;};
   }
   var Bottom=function(){
    n=n<v2?n+1:n;
    var m=Sin(n,v);
    if(m<Math.abs(s)){obj.scrollTop=P-m}else{obj.scrollTop=P-s;clearInterval(myMove);main.ScrollReady=true;};
   }
   var Left=function(){
    n=n<v2?n+1:n;
    var m=Sin(n,v);
    if(m<Math.abs(s)){obj.scrollLeft=P+m}else{obj.scrollLeft=P+s;clearInterval(myMove);main.ScrollReady=true;};
   }
   switch(point){
    case "" : var P=obj.scrollTop,Point=Top;break;
    case "right" : var P=obj.scrollLeft,Point=Right;break;
    case "bottom" : var P=obj.scrollTop,Point=Bottom;break;
    case "left" : var P=obj.scrollLeft,Point=Left;break;
   }
   var myMove=setInterval(Point,5)
  }
 },
 Mouse:function(e,f){
  switch(e){
   case "click" : this[0].onclick=f;break;
   case "dbclick" : this[0].ondblclick=f;break;
   case "over" : this[0].onmouseover=f;break;
   case "out" : this[0].onmouseout=f;break;
  }
 },
 MouseSite:function(e){
  var e=e?e:window.event;
  return {x:e.clientX,y:e.clientY}
 }
}
HtmlEle.init.prototype=HtmlEle;
</script>
</head>
<body>
<div class="block" id="moveBlock">
 <div class="moveBlock"></div>
</div>
<script type="text/javascript">
var sBlock=new div("moveBlock");
document.onclick=function(){
 var site=sBlock.MouseSite(arguments[0]),s=200,b=30;
 var objSite=sBlock.Obj();
 if(objSite.left<site.x && objSite.left+objSite.width/2-b>site.x && objSite.<site.y &&objSite.bottom>site.y)
  sBlock.Scroll(s,"left");
 if(objSite.right>site.x && objSite.right-objSite.width/2+b<site.x && objSite.<site.y &&objSite.bottom>site.y)
  sBlock.Scroll(s,"right");
 if(objSite.<site.y && objSite.+objSite.height/2-b>site.y && objSite.left<site.x && objSite.right>site.x)
  sBlock.Scroll(s,"");
 if(objSite.bottom>site.y && objSite.bottom-objSite.height/2+b<site.y)
  sBlock.Scroll(s,"bottom");
 if(objSite.left>site.x)
  sBlock.Move(s,"left");
 if(objSite.right<site.x)
  sBlock.Move(s,"right");
 if(objSite.>site.y)
  sBlock.Move(s,"");
 if(objSite.bottom<site.y)
  sBlock.Move(s,"bottom");
}
window.onload=function(){sBlock[0].scrollTop=0;sBlock[0].scrollLeft=0;}
</script>
</body>
</html>

希望本文所述对大家JavaScript程序设计有所帮助。

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