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📄 particle-field.html

📁 Use scipts to get Background effects on your web Page
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<HTML>
<HEAD>
<TITLE>JavaScript Source Code 3000:  BG Effects:  Particle Field</TITLE>
<META HTTP-EQUIV="JavaScript Source Code 3000" CONTENT = "no-cache">
<META NAME="description" CONTENT="Illustrates movement of stars (or snow) depending on the direction of the mouse.  Awesome!">
<META NAME="date" CONTENT="2000-12-14">
<META NAME="channel" CONTENT="Web Developer">
<META NAME="author" CONTENT="Joe Lard">
<META NAME="section" CONTENT="BG Effects">
<SCRIPT LANGUAGE="JavaScript">
<!-- Original:  Joe Lard (darg36@home.com) -->
<!-- Web Site:  http://members.home.net/darg36 -->




<!-- Begin
ie4 = document.all?1:0;
ns4 = document.layers?1:0;
ns5 = (document.getElementById && !document.all)?1:0;
time0ID = 0;
time1ID = 0;
time2ID = 0;
wind = 0;
w1 = w2 = -10;
v1 = v2 = -10;
x1 = x2 = -10;
y1 = y2 = -10;
xan = yan = -.25;
// emulate snow or stars? (true | false)
snow = false;  // sinewave controlled
star = true; // mouse controlled path
function wave(){ // for snow
xan = Math.sin(wind/57.3);
wind+=Math.random()*5;
if (wind>360) wind = 0;
// yan = .25 // for water
}
// for stars
function mm(e) {
if (ns5) {
xan = ((e.clientX)-csw)/csw;
yan = ((e.clientY)-csh)/csh;
}
else {
xan = (((ns4)?e.pageX:event.x)-csw)/csw;
yan = (((ns4)?e.pageY:event.y)-csh)/csh;
   }
}
function init() {
if (ns4) {
z0 = document.zen.document.z0;
z1 = document.zen.document.z1;
}
if (ns5) if (document.getElementsByTagName("*")) {
document.all = document.getElementsByTagName("*")
}
if (star) {
if (ns4 || ns5) {
window.captureEvents(Event.MOUSEMOVE);
window.onmousemove = mm;
}
document.onmousemove = mm;
}
fs=(ns4)? "":"; font-size:25px";
ret=""; tem=(ns4)? "<font size=5>":"";
for (t=1;t<sh/28;t++) {
for (u=1;u<sw/6;u++)
tem += (Math.random()>.99)? ((Math.random()>.9)? "<font size="+((Math.random()*50)+12)+"px>.</font size>":"."):"&nbsp;"; tem += "<BR>";
}
tem += (ns4)? "</font size>":"";
ret += "<div style='position:absolute; left:0px; top:0px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'>"+tem+"</DIV>";
ret += "<div style='position:absolute; left:"+(sw)+"px; top:0px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'>"+tem+"</DIV>";
ret += "<div style='position:absolute; left:0px; top:"+(sh)+"px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'>"+tem+"</DIV>";
ret += "<div style='position:absolute; left:"+(sw)+"px; top:"+(sh)+"px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'>"+tem+"</DIV>";
if (ns4) {
z0.document.write(ret);
z0.document.close();
}
if (ie4) z0.innerHTML = ret;
if (ns5) document.all.z0.innerHTML = ret;
ret=""; tem=(ns4)? "<font size=5>":"";
for (t = 1; t < sh / 28; t++) {
for (u = 1; u < sw / 6; u++)
tem += (Math.random()>.99)? ((Math.random()>.9)? "<font size="+((Math.random()*50)+12)+"px>.</font size>":"."):"&nbsp;";
tem+="<BR>";
}
tem += (ns4)? "</font size>":"";
ret += "<div style='position:absolute; left:0px; top:0px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'>"+tem+"</DIV>";
ret += "<div style='position:absolute; left:"+(sw)+"px; top:0px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'>"+tem+"</DIV>";
ret += "<div style='position:absolute; left:0px; top:"+(sh)+"px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'>"+tem+"</DIV>";
ret += "<div style='position:absolute; left:"+(sw)+"px; top:"+(sh)+"px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'>"+tem+"</DIV>";
if (ns4) {
z1.document.write(ret);
z1.document.close();
}
if (ie4) z1.innerHTML = ret;
if (ns5) {
document.all.z1.innerHTML = ret;
z0 = document.all.z0;
z1 = document.all.z1;
}
time1ID = setInterval('z1m()',33);
time0ID = setInterval('z0m()',55);
if (snow) time2ID=setInterval('wave()',77);
}
function halt() {
if (time1ID) clearInterval(time1ID);
if (time0ID) clearInterval(time0ID);
if (time2ID) clearInterval(time2ID);
}
function z0m() {
x1 -= 4 * xan;
x2 -= 4 * yan;
a = Math.round(x1);
b = Math.round(x2);
if (w1 != a) {
w1 = a;
if (w1 > 0) x1 = w1 = -sw;
if (w1 < -sw) x1 = w1 = 0;
if (!ns4) z0.style.left = w1 + "px";
}
if (w2 != b) {
w2 = b;
if (w2 > 0) x2 = w2 = -sh;
if (w2 < -sh) x2 = w2 = 0;
if (!ns4) z0.style.top = w2 + "px";
}
if (ns4) z0.moveTo(w1,w2);
}
function z1m() {
y1 -= xan;
y2 -= yan;
a1 = Math.round(y1);
b1 = Math.round(y2);
if (v1 != a1) {
v1 = a1;
if (v1 > 0) y1 = v1 = -sw;
if (v1 < -sw) y1 = v1 = 0;
if (!ns4) z1.style.left = v1 + "px";
}
if (v2 != b1) {
v2 = b1;
if (v2 > 0) y2 = v2 = -sh;
if (v2 < -sh) y2 = v2 = 0;
if (!ns4) z1.style.top = v2 + "px";
}
if (ns4) z1.moveTo(v1,v2);
}
//  End -->
</script>

</HEAD>

<BODY BGCOLOR=#000000 vlink=#0000ff onLoad="init()" onunload="halt()">

<BR>
<center>
<table width=600 cellpadding=0 cellspacing=10>
<tr>
<td width=468 align=center>

    
    
</td>
<td width=120 align=center>
    
</td>
</tr>
</table>
<BR>
<BR>
<basefont size=3>
<FONT SIZE="+2" FACE="Helvetica,Arial">
<A HREF="../index.htm" /" TARGET="_top"><FONT COLOR="#0000FF"><b>Home</b></font></A>
<img src="../img/arrow.gif" /img/arrow.gif" height=13 width=7 border=0 alt="}">
<A HREF="index.htm" /bgeffects/"><font color="#FF0000"><b>BG Effects</b></font></A>
<img src="../img/arrow.gif" /img/arrow.gif" height=13 width=7 border=0 alt="}">
<FONT COLOR="#006666"><b>Particle Field</b></font></font>
<BR>
<BR>
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td><font FACE="helvetica,arial,geneva" color="#ffffff">
<br>
<br>
<!-- Description --><!--content_start-->
(IE Only) Illustrates movement of stars (or snow) depending on the direction of the mouse.  Awesome!
<hr>
</td></tr>
</table>
<!-- Demonstration -->
<SCRIPT LANGUAGE="JavaScript">




<!-- Begin
var sw = (ie4)? document.body.offsetWidth:window.innerWidth;
var sh = (ie4)? document.body.offsetHeight:window.innerHeight;
sw=800; sh=200;  //field width and height
var csw = Math.round(sw/2);
var csh = Math.round(sh/2);
ret="<STYLE TYPE='text/css'><!--\n";
ret+="#zen {position:absolute; left:0; top:0; width:"+sw+"; height:"+sh+
"; font-size:3000px; font-family:Times; clip:rect(0,"+(sw)+","+(sh)+
",0); overflow:hidden; z-Index:0}";
ret+="#z0 {position:absolute; left:-10; top:-10; width:"+(sw*2)+
"; height:"+(sh*2)+"; clip:rect(0,"+(sw*2)+","+(sh*2)+",0)}";
ret+="#z1 {position:absolute; left:-10; top:-10; width:"+(sw*2)+
"; height:"+(sh*2)+"; clip:rect(0,"+(sw*2)+","+(sh*2)+",0)}";
ret+="#ar {position:absolute; left:10; top:10; width:100; height:100;"+
" z-Index:1000; color:red}";
ret+="//-->\n</STYLE>";
if (ns4) ret+="<DIV id=zen>_"; else ret+="<DIV id=zen>";
ret+="<DIV id=z1></DIV>";
ret+="<DIV id=z0></DIV>";
ret+="</DIV>";
document.write(ret);
//  End -->
</script>
<DIV id=ar><a href="javascript:halt()">Click here to Stop</A></DIV>
<P>
<P>
<a name="source">
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td BGCOLOR=yellow><font FACE="helvetica,arial,geneva"><b>JavaScript Source Code 3000:  BG Effects:  Particle Field</b>
<p>Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Command-s).  The script is yours!!!
<br><br></font></td></tr>
<tr><td BGCOLOR=yellow ALIGN=CENTER>
<form NAME="copy">

<DIV align="center">
<input type=button value="Highlight All" onClick="javascript:this.form.txt.focus();this.form.txt.select();">&nbsp;&nbsp;&nbsp;&nbsp;
<INPUT TYPE="text" NAME="total" VALUE="Script Size:  6.50 KB" size=24>
</DIV>

<textarea NAME="txt" ROWS=20 COLS=75 WRAP=VIRTUAL>

&lt;!-- THREE STEPS TO INSTALL PARTICLE FIELD:

  1.  Copy the coding into the HEAD of your HTML document
  2.  Add the onLoad event handler into the BODY tag
  3.  Put the last coding into the BODY of your HTML document  --&gt;

&lt;!-- STEP ONE: Paste this code into the HEAD of your HTML document  --&gt;

&lt;HEAD&gt;

&lt;SCRIPT LANGUAGE="JavaScript"&gt;
&lt;!-- Original:  Joe Lard (darg36@home.com) --&gt;
&lt;!-- Web Site:  http://members.home.net/darg36 --&gt;

&lt;! &gt;
&lt;! &gt;

&lt;!-- Begin
ie4 = document.all?1:0;
ns4 = document.layers?1:0;
ns5 = (document.getElementById && !document.all)?1:0;
time0ID = 0;
time1ID = 0;
time2ID = 0;
wind = 0;
w1 = w2 = -10;
v1 = v2 = -10;
x1 = x2 = -10;
y1 = y2 = -10;
xan = yan = -.25;
// emulate snow or stars? (true | false)
snow = false;  // sinewave controlled
star = true; // mouse controlled path
function wave(){ // for snow
xan = Math.sin(wind/57.3);
wind+=Math.random()*5;
if (wind&gt;360) wind = 0;
// yan = .25 // for water
}
// for stars
function mm(e) {
if (ns5) {
xan = ((e.clientX)-csw)/csw;
yan = ((e.clientY)-csh)/csh;
}
else {
xan = (((ns4)?e.pageX:event.x)-csw)/csw;
yan = (((ns4)?e.pageY:event.y)-csh)/csh;
   }
}
function init() {
if (ns4) {
z0 = document.zen.document.z0;
z1 = document.zen.document.z1;
}
if (ns5) if (document.getElementsByTagName("*")) {
document.all = document.getElementsByTagName("*")
}
if (star) {
if (ns4 || ns5) {
window.captureEvents(Event.MOUSEMOVE);
window.onmousemove = mm;
}
document.onmousemove = mm;
}
fs=(ns4)? "":"; font-size:25px";
ret=""; tem=(ns4)? "&lt;font size=5&gt;":"";
for (t=1;t&lt;sh/28;t++) {
for (u=1;u&lt;sw/6;u++)
tem += (Math.random()&gt;.99)? ((Math.random()&gt;.9)? "&lt;font size="+((Math.random()*50)+12)+"px&gt;.&lt;/font size&gt;":"."):"&nbsp;"; tem += "&lt;BR&gt;";
}
tem += (ns4)? "&lt;/font size&gt;":"";
ret += "&lt;div style='position:absolute; left:0px; top:0px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'&gt;"+tem+"&lt;/DIV&gt;";
ret += "&lt;div style='position:absolute; left:"+(sw)+"px; top:0px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'&gt;"+tem+"&lt;/DIV&gt;";
ret += "&lt;div style='position:absolute; left:0px; top:"+(sh)+"px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'&gt;"+tem+"&lt;/DIV&gt;";
ret += "&lt;div style='position:absolute; left:"+(sw)+"px; top:"+(sh)+"px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'&gt;"+tem+"&lt;/DIV&gt;";
if (ns4) {
z0.document.write(ret);
z0.document.close();
}
if (ie4) z0.innerHTML = ret;
if (ns5) document.all.z0.innerHTML = ret;
ret=""; tem=(ns4)? "&lt;font size=5&gt;":"";
for (t = 1; t &lt; sh / 28; t++) {
for (u = 1; u &lt; sw / 6; u++)
tem += (Math.random()&gt;.99)? ((Math.random()&gt;.9)? "&lt;font size="+((Math.random()*50)+12)+"px&gt;.&lt;/font size&gt;":"."):"&nbsp;";
tem+="&lt;BR&gt;";
}
tem += (ns4)? "&lt;/font size&gt;":"";
ret += "&lt;div style='position:absolute; left:0px; top:0px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'&gt;"+tem+"&lt;/DIV&gt;";
ret += "&lt;div style='position:absolute; left:"+(sw)+"px; top:0px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'&gt;"+tem+"&lt;/DIV&gt;";
ret += "&lt;div style='position:absolute; left:0px; top:"+(sh)+"px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'&gt;"+tem+"&lt;/DIV&gt;";
ret += "&lt;div style='position:absolute; left:"+(sw)+"px; top:"+(sh)+"px; width:"+sw+"px; height:"+sh+"px; color:white"+fs+"; font-family:Times'&gt;"+tem+"&lt;/DIV&gt;";
if (ns4) {
z1.document.write(ret);
z1.document.close();
}
if (ie4) z1.innerHTML = ret;
if (ns5) {
document.all.z1.innerHTML = ret;
z0 = document.all.z0;
z1 = document.all.z1;
}
time1ID = setInterval('z1m()',33);
time0ID = setInterval('z0m()',55);
if (snow) time2ID=setInterval('wave()',77);
}
function halt() {
if (time1ID) clearInterval(time1ID);
if (time0ID) clearInterval(time0ID);
if (time2ID) clearInterval(time2ID);
}
function z0m() {
x1 -= 4 * xan;
x2 -= 4 * yan;
a = Math.round(x1);
b = Math.round(x2);
if (w1 != a) {
w1 = a;
if (w1 &gt; 0) x1 = w1 = -sw;
if (w1 &lt; -sw) x1 = w1 = 0;
if (!ns4) z0.style.left = w1 + "px";
}
if (w2 != b) {
w2 = b;
if (w2 &gt; 0) x2 = w2 = -sh;
if (w2 &lt; -sh) x2 = w2 = 0;
if (!ns4) z0.style.top = w2 + "px";
}
if (ns4) z0.moveTo(w1,w2);
}
function z1m() {
y1 -= xan;
y2 -= yan;
a1 = Math.round(y1);
b1 = Math.round(y2);
if (v1 != a1) {
v1 = a1;
if (v1 &gt; 0) y1 = v1 = -sw;
if (v1 &lt; -sw) y1 = v1 = 0;
if (!ns4) z1.style.left = v1 + "px";
}
if (v2 != b1) {
v2 = b1;
if (v2 &gt; 0) y2 = v2 = -sh;
if (v2 &lt; -sh) y2 = v2 = 0;
if (!ns4) z1.style.top = v2 + "px";
}
if (ns4) z1.moveTo(v1,v2);
}
//  End --&gt;
&lt;/script&gt;

&lt;/HEAD&gt;

&lt;!-- STEP TWO: Insert the onLoad event handler into your BODY tag  --&gt;

&lt;BODY onLoad="init()" onunload="halt()"&gt;

&lt;!-- STEP THREE: Copy this code into the BODY of your HTML document  --&gt;

&lt;SCRIPT LANGUAGE="JavaScript"&gt;

&lt;! &gt;
&lt;! &gt;

&lt;!-- Begin
var sw = (ie4)? document.body.offsetWidth:window.innerWidth;
var sh = (ie4)? document.body.offsetHeight:window.innerHeight;
//sw=200; sh=200;  field width and height
var csw = Math.round(sw/2);
var csh = Math.round(sh/2);
ret="&lt;STYLE TYPE='text/css'&gt;&lt;!--\n";
ret+="#zen {position:absolute; left:0; top:0; width:"+sw+"; height:"+sh+
"; font-size:3000px; font-family:Times; clip:rect(0,"+(sw)+","+(sh)+
",0); overflow:hidden; z-Index:0}";
ret+="#z0 {position:absolute; left:-10; top:-10; width:"+(sw*2)+
"; height:"+(sh*2)+"; clip:rect(0,"+(sw*2)+","+(sh*2)+",0)}";
ret+="#z1 {position:absolute; left:-10; top:-10; width:"+(sw*2)+
"; height:"+(sh*2)+"; clip:rect(0,"+(sw*2)+","+(sh*2)+",0)}";
ret+="#ar {position:absolute; left:10; top:10; width:100; height:100;"+
" z-Index:1000; color:red}";
ret+="//--&gt;\n&lt;/STYLE&gt;";
if (ns4) ret+="&lt;DIV id=zen&gt;_"; else ret+="&lt;DIV id=zen&gt;";
ret+="&lt;DIV id=z1&gt;&lt;/DIV&gt;";
ret+="&lt;DIV id=z0&gt;&lt;/DIV&gt;";
ret+="&lt;/DIV&gt;";
document.write(ret);
//  End --&gt;
&lt;/script&gt;
&lt;DIV id=ar&gt;&lt;a href="javascript:halt()"&gt;&nbsp;&lt;/A&gt;&lt;/DIV&gt;

 

&lt;!-- Script Size:  6.50 KB --&gt;</textarea><br><font FACE="helvetica,arial,geneva"></font></td></tr>

</table>
</form>
</FONT>
</CENTER>


</center>
</body></html>

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