October 29, 2006
Code Posting
Posted at 8:33 PM in
Code.
S_CRIPT TYPE="text/javascript">
/**
** Ghosts - Halloween - JavaScript
** This script and many more are free at
** http://rainbow.arch.scriptmania.com/scripts/
*/
if(!window.Halloween) Halloween=new Object();
Halloween.ghostImages = new Array(
"
",
"
",
"
",
""
);
var ns4 = document.layers;
var ie4 = document.all;
Halloween.makeLayer = function(id)
{
var el = document.getElementById ? document.getElementById(id) :
document.all ? document.all[id] :
document.layers[id];
if(ns4) el.style=el;
el.sP=function(x,y){this.style.left = x;this.style.top=y;};
el.show=function(){ this.style.visibility = "visible"; }
el.hide=function(){ this.style.visibility = "hidden"; }
if(ns4 || window.opera)
el.sO = function(pc){return 0;};
else if(ie4)
el.sO = function(pc)
{
if(this.style.filter=="")
this.style.filter="alpha(opacity=100);";
this.filters.alpha.opacity=pc;
}
else
el.sO = function(pc){this.style.MozOpacity=pc/100;}
return el;
}
if(window.innerWidth)
{
gX=function(){return innerWidth;};
gY=function(){return innerHeight;};
}
else
{
gX=function(){return document.body.clientWidth-30;};
gY=function(){return document.body.clientHeight-30;};
}
Halloween.ghostOutput=function()
{
for(var i=0 ; i
document.write(ns4 ? ""+Halloween.ghostImages[i]+"" :
"
"+Halloween.ghostImages[i]+"
" );
}
Halloween.ghostSprites = new Array();
Halloween.ghostStartAni = function()
{
for(var i=0 ;i
{
var el=Halloween.makeLayer("gh"+i);
el.x=Math.random()*gX();
el.y=Math.random()*gY();
el.tx=Math.random()*gX();
el.ty=Math.random()*gY();
el.dx=-5+Math.random()*10;
el.dy=-5+Math.random()*10;
el.state="off";
el.op=0;
el.sO(el.op);
el.hide();
Halloween.ghostSprites[i] = el;
}
setInterval("Halloween.ghostAni()", 40);
}
Halloween.ghostAni = function()
{
for(var i=0 ;i
{
el=Halloween.ghostSprites[i];
if(el.state == "off")
{
if(Math.random() > .99)
{
el.state="up";
el.show();
}
}
else if(el.state == "on")
{
if(Math.random() > .98)
el.state="down";
}
else if(el.state == "up")
{
el.op += 2;
el.sO(el.op);
if(el.op==100)
el.state = "on";
}
else if(el.state == "down")
{
el.op -= 2;
if(el.op==0)
{
el.hide();
el.state = "off";
}
else
el.sO(el.op);
}
var X = (el.tx - el.x);
var Y = (el.ty - el.y);
var len = Math.sqrt(X*X+Y*Y);
if(len < 1) len = 1;
var dx = 20 * (X/len);
var dy = 20 * (Y/len);
var ddx = (dx - el.dx)/10;
var ddy = (dy - el.dy)/10;
el.dx += ddx;
el.dy += ddy;
el.sP(el.x+=el.dx,el.y+=el.dy);
if(Math.random() >.95 )
{
el.tx = Math.random()*gX();
el.ty = Math.random()*gY();
}
}
}
Halloween.ghostStart = function()
{
if(Halloween.ghostLoad)Halloween.ghostLoad();
Halloween.ghostStartAni();
}
Halloween.ghostOutput();
Halloween.ghostLoad=window.onload;
window.onload=Halloween.ghostStart;
