Autore: dynamicdrive
Descrizione: Effetto di neve Script molto più bello di quello semplice, si può alternare l'immagine per riprodurre una stagione.
Versione: 1.0.0
Piattaforma e versione: 3.0.x
Progresso: 100%
Inizio guida:
Script preso da dynamicdrive.
Partendo dal presupposto che stai usando prosilver...
Salva come snow.js e caricare in
styles/prosilver/template/
Codice: Seleziona tutto
/******************************************
* Snow Effect Script- By Altan d.o.o. (http://www.altan.hr/snow/index.html)
* Visit Dynamic Drive DHTML code library (http://www.dynamicdrive.com/) for full source code
* Last updated Nov 9th, 05' by DD. This notice must stay intact for use
******************************************/
//Configure below to change URL path to the snow image
var snowsrc="http://nometuosito.it/styles/prosilver/theme/images/snow.gif"
// Configure below to change number of snow to render
var no = 10;
// Configure whether snow should disappear after x seconds (0=never):
var hidesnowtime = 0;
// Configure how much snow should drop down before fading ("windowheight" or "pageheight")
var snowdistance = "pageheight";
///////////Stop Config//////////////////////////////////
var ie4up = (document.all) ? 1 : 0;
var ns6up = (document.getElementById&&!document.all) ? 1 : 0;
function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}
var dx, xp, yp; // coordinate and position variables
var am, stx, sty; // amplitude and step variables
var i, doc_width = 800, doc_height = 600;
if (ns6up) {
doc_width = self.innerWidth;
doc_height = self.innerHeight;
} else if (ie4up) {
doc_width = iecompattest().clientWidth;
doc_height = iecompattest().clientHeight;
}
dx = new Array();
xp = new Array();
yp = new Array();
am = new Array();
stx = new Array();
sty = new Array();
snowsrc=(snowsrc.indexOf("dynamicdrive.com")!=-1)? "snow.gif" : snowsrc
for (i = 0; i < no; ++ i) {
dx[i] = 0; // set coordinate variables
xp[i] = Math.random()*(doc_width-50); // set position variables
yp[i] = Math.random()*doc_height;
am[i] = Math.random()*20; // set amplitude variables
stx[i] = 0.02 + Math.random()/10; // set step variables
sty[i] = 0.7 + Math.random(); // set step variables
if (ie4up||ns6up) {
if (i == 0) {
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT: 15px;\"><a href=\"http://dynamicdrive.com\"><img src='"+snowsrc+"' border=\"0\"><\/a><\/div>");
} else {
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT: 15px;\"><img src='"+snowsrc+"' border=\"0\"><\/div>");
}
}
}
function snowIE_NS6() { // IE and NS6 main animation function
doc_width = ns6up?window.innerWidth-10 : iecompattest().clientWidth-10;
doc_height=(window.innerHeight && snowdistance=="windowheight")? window.innerHeight : (ie4up && snowdistance=="windowheight")? iecompattest().clientHeight : (ie4up && !window.opera && snowdistance=="pageheight")? iecompattest().scrollHeight : iecompattest().offsetHeight;
for (i = 0; i < no; ++ i) { // iterate for every dot
yp[i] += sty[i];
if (yp[i] > doc_height-50) {
xp[i] = Math.random()*(doc_width-am[i]-30);
yp[i] = 0;
stx[i] = 0.02 + Math.random()/10;
sty[i] = 0.7 + Math.random();
}
dx[i] += stx[i];
document.getElementById("dot"+i).style.top=yp[i]+"px";
document.getElementById("dot"+i).style.left=xp[i] + am[i]*Math.sin(dx[i])+"px";
}
snowtimer=setTimeout("snowIE_NS6()", 10);
}
function hidesnow(){
if (window.snowtimer) clearTimeout(snowtimer)
for (i=0; i<no; i++) document.getElementById("dot"+i).style.visibility="hidden"
}
if (ie4up||ns6up){
snowIE_NS6();
if (hidesnowtime>0)
setTimeout("hidesnow()", hidesnowtime*1000)
}styles/prosilver/template/overall_header.html, Cerca:
Codice: Seleziona tutto
<script type="text/javascript" src="{T_SUPER_TEMPLATE_PATH}/forum_fn.js"></script>Codice: Seleziona tutto
<script type="text/javascript" src="{T_TEMPLATE_PATH}/snow.js"></script>
|| 
||
|| 
Salva una di queste immagini qui sopra,assecondo dell'effetto che si vuole ottenere con il nome snow.gif e caricala in
styles/prosilver/theme/imagesIn alternativa puoi caricare questo, che cambierà l'effetto della neve.
Codice: Seleziona tutto
var snowmax = 30;
var snowcolor = new Array("#aaaacc", "#ddddFF", "#ccccDD");
var snowtype = new Array("Arial Black", "Arial Narrow", "Times", "Comic Sans MS");
var snowletter = "*";
var sinkspeed = 0.9;
var snowmaxsize = 30;
var snowminsize = 10;
var snowingzone = 1;
var snow = new Array();
var marginbottom;
var marginright;
var ScrollTop;
var timer;
var i_snow = 0;
var x_mv = new Array();
var crds = new Array();
var lftrght = new Array();
var browserinfos = navigator.userAgent;
var ie5 = document.all && document.getElementById && !browserinfos.match(/Opera/);
var ns6 = document.getElementById && !document.all;
var opera = browserinfos.match(/Opera/);
var browserok = ie5 || ns6 || opera;
function randommaker(a)
{
rand = Math.floor(a * Math.random());
return rand
}
function iecompattest()
{
return (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body
}
function InitHeight() {
if (ie5 || opera) {
marginbottom = iecompattest().clientHeight + 5; //clientHeight;
marginright = iecompattest().scrollWidth + 5; //clientWidth
}
else {
if (ns6) {
marginbottom = self.innerHeight;
marginright = self.innerWidth
}
}
ScrollTop = document.body.scrollTop;
if (ScrollTop == 0) {
if (window.pageYOffset)
ScrollTop = window.pageYOffset;
else
ScrollTop = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;
}
marginbottom += ScrollTop;
}
function initsnow()
{
InitHeight()
var a = snowmaxsize - snowminsize;
for (i = 0;i <= snowmax;i++)
{
crds[i] = 0;
lftrght[i] = Math.random() * 15;
x_mv[i] = 0.03 + Math.random() / 10;
snow[i] = document.getElementById("s" + i);
snow[i].style.fontFamily = snowtype[randommaker(snowtype.length)];
snow[i].size = randommaker(a) + snowminsize;
snow[i].style.fontSize = snow[i].size + "px";
snow[i].style.color = snowcolor[randommaker(snowcolor.length)];
snow[i].sink = sinkspeed * snow[i].size / 5;
if (snowingzone == 1) { snow[i].posx = randommaker(marginright - snow[i].size) }
if (snowingzone == 2) { snow[i].posx = randommaker(marginright / 2 - snow[i].size) }
if (snowingzone == 3) { snow[i].posx = randommaker(marginright / 2 - snow[i].size) + marginright / 4 }
if (snowingzone == 4) { snow[i].posx = randommaker(marginright / 2 - snow[i].size) + marginright / 2 }
snow[i].posy = randommaker(2 * marginbottom - marginbottom - 2 * snow[i].size);
snow[i].style.left = snow[i].posx + "px";
snow[i].style.top = snow[i].posy + "px"
}
movesnow()
}
function movesnow()
{
InitHeight();
for (i = 0; i <= snowmax; i++)
{
crds[i] += x_mv[i];
snow[i].posy += snow[i].sink;
snow[i].style.left = snow[i].posx + lftrght[i] * Math.sin(crds[i]) + "px";
snow[i].style.top = snow[i].posy + "px";
if (snow[i].posy >= marginbottom - 2 * snow[i].size || parseInt(snow[i].style.left) > (marginright - 3 * lftrght[i]))
{
if (snowingzone == 1) { snow[i].posx = randommaker(marginright - snow[i].size) }
if (snowingzone == 2) { snow[i].posx = randommaker(marginright / 2 - snow[i].size) }
if (snowingzone == 3) { snow[i].posx = randommaker(marginright / 2 - snow[i].size) + marginright / 4 }
if (snowingzone == 4) { snow[i].posx = randommaker(marginright / 2 - snow[i].size) + marginright / 2 }
snow[i].posy = ScrollTop
}
}
var a = setTimeout("movesnow()", 60)
}
function hidesnow()
{
if (window.timer) { clearTimeout(timer) }
for (i = 0;i <= snowmax;i++)
{
document.getElementById("s" + i).style.visibility = "hidden"
}
}
for (i = 0;i <= snowmax;i++)
{
document.write('<div id="s' + i + '" style="POSITION: absolute; Z-INDEX: 9' + i + "; VISIBILITY: visible; TOP:-" + snowmaxsize + 'px; LEFT: 15px;">' + snowletter + "</div>")
}
if (browserok)
{ initsnow() }
else
{ document.write('Votre navigateur ne supporte pas ce Javascript, ') };
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