Ajoutez une animation à votre page web

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Description

ce code présente des yeux qui suivent le pointeur souris, c'est très banal...

Source / Exemple : 


//Following Eyes - http://www.btinternet.com/~kurt.grigg/javascript

/*
Paste this js-link between the <body> </body> tags of your page HTML.

<script type="text/javascript" src="followingeyes.js"></script>

Make sure that followingeyes.js, pupils.gif and eye.gif are in/uploaded 
to the same directory/folder as the web page using the script.


  • /


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Following Eyes</title>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
<meta http-equiv="content-script-type" content="text/javascript">
<meta http-equiv="content-style-type" content="text/css">

<style type="text/css">
<!--
body{
background:#ffffff;
}
//-->
</style>

</head>
<body>

<script type="text/javascript">
//Following Eyes - http://www.btinternet.com/~kurt.grigg/javascript

if  ((document.getElementById) && 
window.addEventListener || window.attachEvent){

(function(){

var e_img = new Image();
e_img.src = "eye.gif"; 

var p_img = new Image();
p_img.src = "pupils.gif";

var idx = document.images.length;
if ( document.getElementById("pic"+idx) ||
document.getElementById("ppl1"+idx) ||
document.getElementById("ppl2"+idx)) idx++;

document.write('<img id="eyblls'+idx+'" src="'+e_img.src+'" alt="" style="position:absolute;top:0px;left:0px;width:69px;height:34px"/>'
+'<img id="ppl1'+idx+'" src="'+p_img.src+'" alt="" style="position:absolute;top:10px;left:11px;width:13px;height:13px"/>'
+'<img id="ppl2'+idx+'" src="'+p_img.src+'" alt="" style="position:absolute;top:10px;left:46px;width:13px;height:13px"/>');

var h,w,r,eyeballs,pupil1,pupil2;
var d = document;
var my = 0;
var mx = 0;
var fy = 0;
var fx = 0;

var pix = "px";
var domWw = (typeof window.innerWidth == "number");
var domSy = (typeof window.pageYOffset == "number");

if (domWw) r = window;
else{ 
  if (d.documentElement && 
  typeof d.documentElement.clientWidth == "number" && 
  d.documentElement.clientWidth != 0)
  r = d.documentElement;
 else{ 
  if (d.body && 
  typeof d.body.clientWidth == "number")
  r = d.body;
 }
}

function winsize(){
var oh,sy,ow,sx,rh,rw;
if (domWw){
  if (d.documentElement && d.defaultView && 
  typeof d.defaultView.scrollMaxY == "number"){
  oh = d.documentElement.offsetHeight;
  sy = d.defaultView.scrollMaxY;
  ow = d.documentElement.offsetWidth;
  sx = d.defaultView.scrollMaxX;
  rh = oh-sy;
  rw = ow-sx;
 }
 else{
  rh = r.innerHeight;
  rw = r.innerWidth;
 }
h = rh; 
w = rw;
}
else{
h = r.clientHeight; 
w = r.clientWidth;
}
}

function scrl(yx){
var y,x;
if (domSy){
 y = r.pageYOffset;
 x = r.pageXOffset;
 }
else{
 y = r.scrollTop;
 x = r.scrollLeft;
 }
return (yx == 0)?y:x;
}

function mouse(e){
var msy = (domSy)?window.pageYOffset:0;
if (!e) e = window.event;    
 if (typeof e.pageY == 'number'){
  my = e.pageY - msy;
  mx = e.pageX;
 }
 else{
  my = e.clientY - msy;
  mx = e.clientX;
 }
}

function makefollow(){

var sy = scrl(0);
var sx = scrl(1);

//Keep eyes on screen.
var chy = Math.floor(fy-50);
if (chy <= 0) chy = 0;
if (chy >= h-50) chy = h-50;

var chx=Math.floor(fx-34);
if (chx <= 0) chx = 0;
if (chx >= w-69) chx = w-69;

//eyeball1 centre.
var c1y = chy+17;
var c1x = chx+17;

//eyeball2 centre.
var c2y = chy+17;
var c2x = chx+52;

var dy1 = my - c1y;
var dx1 = mx - c1x;//80
var d1 = Math.sqrt(dy1*dy1 + dx1*dx1);

var dy2 = my - c2y;
var dx2 = mx - c2x;
var d2 = Math.sqrt(dy2*dy2 + dx2*dx2);

var ay1 = my - c1y;
var ax1 = mx - c1x;
var angle1 = Math.atan2(ay1,ax1)*180/Math.PI;

var ay2 = my - c2y;
var ax2 = mx - c2x;
var angle2 = Math.atan2(ay2,ax2)*180/Math.PI;

var dv = 1.7;
var onEyeBall1 = (d1 < 17)?d1/dv:10;
var onEyeBall2 = (d2 < 17)?d2/dv:10;

eyeballs.top = chy+sy+pix;
eyeballs.left = chx+sx+pix;
pupil1.top = c1y-6+onEyeBall1*Math.sin(angle1*Math.PI/180)+sy+pix;
pupil1.left = c1x-6+onEyeBall1*Math.cos(angle1*Math.PI/180)+sx+pix;
pupil2.top = c2y-6+onEyeBall2*Math.sin(angle2*Math.PI/180)+sy+pix;
pupil2.left = c2x-6+onEyeBall2*Math.cos(angle2*Math.PI/180)+sx+pix;
}

function move(){
 dy = fy += (my-fy) * 0.05;
 dx = fx += (mx-fx) * 0.05;
 makefollow();
 setTimeout(move,30);
}

function init(){
eyeballs = document.getElementById("eyblls"+idx).style;
pupil1 = document.getElementById("ppl1"+idx).style;
pupil2 = document.getElementById("ppl2"+idx).style;
winsize();
move();
}

if (window.addEventListener){
 window.addEventListener("resize",winsize,false);
 window.addEventListener("load",init,false);
 document.addEventListener("mousemove",mouse,false);
}  
else if (window.attachEvent){
 window.attachEvent("onresize",winsize);
 window.attachEvent("onload",init);
 document.attachEvent("onmousemove",mouse);
} 

})();
}//End.
</script>

</body>
</html>
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