Javascript ... Help

Συζητήσεις για γλώσσες προγραμματισμού και θέματα σχετικά με προγραμματισμό.
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The Punisher
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Javascript ... Help

Post by The Punisher » Thu Jan 05, 2006 1:22 pm

Ξέρει κανείς πως πρέπει να αλλάξω τον κώδικα για τις χιονονιφάδες, ώστε αυτές να ανεβαίνουν προς τα πάνω ? Θέλω να κάνω κάτι Xtreme βλέπετε ;)

Code: Select all

<!-- TWO STEPS TO INSTALL SNOW:

  1.  Copy the coding into the BODY of your HTML document
  2.  Save the snow.gif image to your web site directory  -->

<!-- STEP ONE: Paste this code into the BODY of your HTML document  -->

<BODY>

<SCRIPT LANGUAGE="JavaScript1.2">
<!-- Original:  Altan (snow@altan.hr) -->
<!-- Web Site:  http://www.altan.hr/snow -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Begin
var no = 25; // snow number
var speed = 10; // smaller number moves the snow faster
var snowflake = "http://www.your-web-site-address-here.com/snow.gif";

var ns4up = (document.layers) ? 1 : 0;  // browser sniffer
var ie4up = (document.all) ? 1 : 0;
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 (ns4up) {
doc_width = self.innerWidth;
doc_height = self.innerHeight;
} else if (ie4up) {
doc_width = document.body.clientWidth;
doc_height = document.body.clientHeight;
}
dx = new Array();
xp = new Array();
yp = new Array();
am = new Array();
stx = new Array();
sty = new Array();
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 (ns4up) {                      // set layers
if (i == 0) {
document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");
document.write("top=\"15\" visibility=\"show\"><img src=\"");
document.write(snowflake + "\" border=\"0\"></layer>");
} else {
document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");
document.write("top=\"15\" visibility=\"show\"><img src=\"");
document.write(snowflake + "\" border=\"0\"></layer>");
   }
} else if (ie4up) {
if (i == 0) {
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ");
document.write("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");
document.write("visible; TOP: 15px; LEFT: 15px;\"><img src=\"");
document.write(snowflake + "\" border=\"0\"></div>");
} else {
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ");
document.write("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");
document.write("visible; TOP: 15px; LEFT: 15px;\"><img src=\"");
document.write(snowflake + "\" border=\"0\"></div>");
      }
   }
}
function snowNS() {  // Netscape main animation function
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();
doc_width = self.innerWidth;
doc_height = self.innerHeight;
}
dx[i] += stx[i];
document.layers["dot"+i].top = yp[i];
document.layers["dot"+i].left = xp[i] + am[i]*Math.sin(dx[i]);
}
setTimeout("snowNS()", speed);
}
function snowIE() {  // IE main animation function
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();
doc_width = document.body.clientWidth;
doc_height = document.body.clientHeight;
}
dx[i] += stx[i];
document.all["dot"+i].style.pixelTop = yp[i];
document.all["dot"+i].style.pixelLeft = xp[i] + am[i]*Math.sin(dx[i]);
}
setTimeout("snowIE()", speed);
}
if (ns4up) {
snowNS();
} else if (ie4up) {
snowIE();
}
// End -->
</script>

<!-- STEP TWO: Save the snow.gif image to your web site directory  ->

<!-- Go to http://javascript.internet.com/img/snow/snow.gif

Right-click the image and "Save Image As..."  -->

<p><center>
<font face="arial, helvetica" size="-2">Free JavaScripts provided<br>
by <a href="http://javascriptsource.com">The JavaScript Source</a></font>
</center><p>

<!-- Script Size:  3.39 KB -->
Please Help Guyz ...
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nap
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Post by nap » Thu Jan 05, 2006 1:52 pm

Σου γράφω την αλλαγμένη συνάρτηση για ΙΕ, άλλαξε και την αντίστοιχη για Netscape. Τα υπόλοιπα ως έχουν...

Code: Select all

function snowIE() {  // IE main animation function
	for (i = 0; i < no; ++ i) {  // iterate for every dot
		yp[i] -= sty[i];                              // αλλάζουμε το + σε - για την κίνηση
		if (yp[i] < 0) {                              // αλλάζουμε τη συνθήκη για το αν έφτασαν στο πάνω μέρος της σελίδας
			xp[i] = Math.random()*(doc_width-am[i]-30);
			yp[i] = doc_height;                        // τις ξαναγυρνάμε από κάτω
			stx[i] = 0.02 + Math.random()/10;
			sty[i] = 0.7 + Math.random();
			doc_width = document.body.clientWidth;
			doc_height = document.body.clientHeight;
		}
		dx[i] += stx[i];
		document.all["dot"+i].style.pixelTop = yp[i];
		document.all["dot"+i].style.pixelLeft = xp[i] + am[i]*Math.sin(dx[i]);
	}
	setTimeout("snowIE()", speed);
}
Πλέον μοιάζουν με φυσαλίδες που ανεβαίνουν προς τα πάνω... :-)
It is by will alone I set my mind in motion...
The Punisher
Venus Former Team Member
Posts: 7561
Joined: Thu Oct 27, 2005 1:43 pm
Academic status: Alumnus/a
Gender:
Location: Boston, MA

Post by The Punisher » Thu Jan 05, 2006 6:57 pm

Φίλε nap χίλια ευχαριστώ =D>ImageImage Image

Image

Και από ταχύτητα σκίζεις ... Image
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