DriftBox.js
资源名称:eat.rar [点击查看]
上传用户:jisenq
上传日期:2014-06-29
资源大小:7216k
文件大小:2k
源码类别:
数据库编程
开发平台:
ASP/ASPX
- DriftBoxTF=navigator.javaEnabled()?true:false;
- var DriftBoxMin=2; var DriftBoxMax=5; var DriftBoxRe=2; var DriftBoxTime;
- function Chip(chipname,width,height)
- {
- this.named=chipname;
- this.vx=DriftBoxMin+DriftBoxMax*Math.random();
- this.vy=DriftBoxMin+DriftBoxMax*Math.random();
- this.w=width; this.h=height;
- this.xx=0;
- this.yy=0;
- this.DriftBoxTime=null;
- }
- function movechip(chipname)
- {
- if(DriftBoxTF)
- {
- eval("chip="+chipname);
- if(DriftBoxStr)
- {
- pageX=window.pageXOffset;
- pageW=window.innerWidth;
- pageY=window.pageYOffset;
- pageH=window.innerHeight;
- }
- else
- {
- pageX=window.document.body.scrollLeft;
- pageW=window.document.body.offsetWidth-8;
- pageY=window.document.body.scrollTop;
- pageH=window.document.body.offsetHeight;
- }
- chip.xx=chip.xx+chip.vx;chip.yy=chip.yy+chip.vy;
- chip.vx+=DriftBoxRe*(Math.random()-0.5);
- chip.vy+=DriftBoxRe*(Math.random()-0.5);
- if(chip.vx>(DriftBoxMax+DriftBoxMin)) chip.vx=(DriftBoxMax+DriftBoxMin)*2-chip.vx;
- if(chip.vx<(-DriftBoxMax-DriftBoxMin)) chip.vx=(-DriftBoxMax-DriftBoxMin)*2-chip.vx;
- if(chip.vy>(DriftBoxMax+DriftBoxMin)) chip.vy=(DriftBoxMax+DriftBoxMin)*2-chip.vy;
- if(chip.vy<(-DriftBoxMax-DriftBoxMin)) chip.vy=(-DriftBoxMax-DriftBoxMin)*2-chip.vy;
- if(chip.xx<=pageX)
- {
- chip.xx=pageX;chip.vx=DriftBoxMin+DriftBoxMax*Math.random();
- }
- if(chip.xx>=pageX+pageW-chip.w)
- {
- chip.xx=pageX+pageW-chip.w;
- chip.vx=-DriftBoxMin-DriftBoxMax*Math.random();
- }
- if(chip.yy<=pageY){
- chip.yy=pageY;
- chip.vy=DriftBoxMin+DriftBoxMax*Math.random();
- }
- if(chip.yy>=pageY+pageH-chip.h){
- chip.yy=pageY+pageH-chip.h;
- chip.vy=-DriftBoxMin-DriftBoxMax*Math.random();
- }
- if(DriftBoxStr)
- {
- eval('document.'+chip.named+'.top ='+chip.yy);
- eval('document.'+chip.named+'.left='+chip.xx);
- }
- else
- {
- eval('document.all.'+chip.named+'.style.pixelLeft='+chip.xx);
- eval('document.all.'+chip.named+'.style.pixelTop ='+chip.yy);
- }
- chip.DriftBoxTime=setTimeout("movechip('"+chip.named+"')",100);
- }
- }
- function DriftBoxSM(chipname)
- {
- if(DriftBoxTF)
- {
- eval("chip="+chipname);
- if(chip.DriftBoxTime!=null)
- {
- clearTimeout(chip.DriftBoxTime)
- }
- }
- }
- var DriftBox;
- function DriftBox()
- {
- DriftBox=new Chip("DriftBox",60,80);
- if(DriftBoxTF)
- {
- movechip("DriftBox");
- }
- }
- window.onload=DriftBox;