點擊鼠標在網頁上生成氣泡_頁面背景特效

模擬在網頁上生成氣泡漂浮的網頁背景效果，用JavaScript 實現的，點擊鼠標手，程序開始復制對象，并生成隨便漂浮坐標，具體實現還需仔細看代碼才行。

<HTML>
<HEAD>
<title>點擊鼠標在網頁上生成氣泡</title>
</HEAD>
<BODY bgColor=#000000 scroll=no onload=zyva()>
<div id=aqua style="position:absolute;left=0;top=0;"></div>
<IMG id=B src="http://www.wf0088.com/jscss/demoimg/200908/b1.gif" style="display:none">
<SCRIPT>
object = new Array()
var xm,ym
function CObj(N,obj){
	aqua.insertAdjacentHTML("AfterBegin","<img style='position:absolute;left:-1000;' src='"+obj.src+"'>")
	this.img = aqua.firstChild.style
	mr = Math.random()
	this.v = 6*mr+4
	this.s = .5*mr
	this.p = .1+mr
	this.w = 0
	this.k = 0
	this.x = xm
	this.y = N
	this.ChteuMeulEu = function ChteuMeulEu(){
		with(this){
			with(img){
				left  = (x+=0.5*v*Math.sin(k+=s))-w*0.5
				top   = y-=v
				width = Math.min(w+=p,100)
			}
			if(y<-w){
				w = 8
				y = ym
				x = xm
			}
		}
	}
}
function gradient(R,G,B,m){
	for(i=0;i<25;i++){
		c = 255 - 10 * i
		C = "\"RGB("+Math.round(c*R/255)+","+Math.round(c*G/255)+","+Math.round(c*B/255)+")\""
		code = "<span style='position:absolute;font-size:1pt;left=0;width=120%;height="+(m)+".2%;top="+(i*m)+"%;background="+C+";z-Index:-1000'></span>"
		document.body.insertAdjacentHTML("beforeEnd",code)
	}
}

function zyva(){
	xm = document.body.offsetWidth * 0.5
	ym = document.body.offsetHeight
	document.onmousemove = function (){
		xm = window.event.clientX
		ym = window.event.clientY
	}
	for(i=0;i<60;i++)object[i] = new CObj(i,B)
	setInterval("for(i in object)object[i].ChteuMeulEu()",16)
	gradient(41,93,214,2)
}

</SCRIPT>
</BODY>
</HTML>

所屬頻道：頁面背景特效/更新時間：2012-12-04

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