跟随鼠标的弹性图片
跟随鼠标的图片，具有弹性效果，自定义图片
最好在IE中
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<title>跟随鼠标的弹性图片，sky整理收集，codesocang.com欢迎您。</title>
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<DIV id="dot0" style="HEIGHT: 16; POSITION: absolute; VISIBILITY: hidden; WIDTH: 11; left:10; top:15"><img height="11" src="/image/zzjs.ico" width="11" onload="return imgzoom(this,600);" onclick="javascript:window.open(this.src);" style="cursor:pointer;"/> </DIV>
<DIV id="dot1" style="HEIGHT: 11px; POSITION: absolute; WIDTH: 11px"><img height="11" src="/image/zzjs.ico" width="11" onload="return imgzoom(this,600);" onclick="javascript:window.open(this.src);" style="cursor:pointer;"/> </DIV>
<DIV id="dot2" style="HEIGHT: 11px; POSITION: absolute; WIDTH: 11px"><img height="11" src="/image/zzjs.ico" width="11" onload="return imgzoom(this,600);" onclick="javascript:window.open(this.src);" style="cursor:pointer;"/> </DIV>
<DIV id="dot3" style="HEIGHT: 11px; POSITION: absolute; WIDTH: 11px"><img height="11" src="/image/zzjs.ico" width="11" onload="return imgzoom(this,600);" onclick="javascript:window.open(this.src);" style="cursor:pointer;"/> </DIV>
<DIV id="dot4" style="HEIGHT: 11px; POSITION: absolute; WIDTH: 11px"><img height="11" src="/image/zzjs.ico" width="11" onload="return imgzoom(this,600);" onclick="javascript:window.open(this.src);" style="cursor:pointer;"/> </DIV>
<DIV id="dot5" style="HEIGHT: 11px; POSITION: absolute; WIDTH: 11px"><img height="11" src="/image/zzjs.ico" width="11" onload="return imgzoom(this,600);" onclick="javascript:window.open(this.src);" style="cursor:pointer;"/> </DIV>
<DIV id="dot6" style="HEIGHT: 16; POSITION: absolute; WIDTH: 11; left:10; top:15"><img height="11" src="/image/zzjs.ico" width="11" onload="return imgzoom(this,600);" onclick="javascript:window.open(this.src);" style="cursor:pointer;"/> </DIV>
<SCRIPT language=JavaScript>
var nDots = 7;
var Xpos = 0;
var Ypos = 0;
var DELTAT = .01;
var SEGLEN = 10;
var SPRINGK = 10;
var MASS = 1;
var XGRAVITY = 0;
var YGRAVITY = 50;
var RESISTANCE = 10;
var STOPVEL = 0.1;
var STOPACC = 0.1;
var DOTSIZE = 11;
var BOUNCE = 0.75;
var isNetscape = navigator.appName == "Netscape";
var followmouse = true;
var dots = new Array();
init();
function init()
{//欢迎来到源码搜藏，我们的网址是www.codesocang.com，很好记，本站收集大量高质量js代码，还有许多广告代码下载。
var i = 0;
for (i = 0; i < nDots; i++)
{
dots[i] = new dot(i);
}
if (!isNetscape)
{
}
for (i = 0; i < nDots; i++)
{
dots[i].obj.left = dots[i].X;
dots[i].obj.top = dots[i].Y;
}
if (isNetscape)
{
startanimate();
} else
{
setTimeout("startanimate()", 1000);
}
}
function dot(i)
{
this.X = Xpos;
this.Y = Ypos;
this.dx = 0;
this.dy = 0;
if (isNetscape)
{
this.obj = eval("document.dot" + i);
} else
{
this.obj = eval("dot" + i + ".style");
}
}
function startanimate()
{
setInterval("animate()", 20);
}
function setInitPositions(dots)
{
var startloc = document.all.tags("LI");
var i = 0;
for (i = 0; i < startloc.length && i < (nDots - 1); i++)
{
dots[i + 1].X = startloc[i].offsetLeft
startloc[i].offsetParent.offsetLeft - DOTSIZE;
dots[i + 1].Y = startloc[i].offsetTop +
startloc[i].offsetParent.offsetTop + 2 * DOTSIZE;
}
dots[0].X = dots[1].X;
dots[0].Y = dots[1].Y - SEGLEN;
}
function MoveHandler(e)
{
Xpos = e.pageX;
Ypos = e.pageY;
return true;
}
function MoveHandlerIE()
{
Xpos = window.event.x + document.body.scrollLeft;
Ypos = window.event.y + document.body.scrollTop;
} //欢迎来到源码搜藏，我们的网址是www.codesocang.com，很好记，本站收集大量高质量js代码，还有许多广告代码下载。
if (isNetscape)
{
document.captureEvents(Event.MOUSEMOVE);
document.onMouseMove = MoveHandler;
} else
{
document.onmousemove = MoveHandlerIE;
}
function vec(X, Y)
{
this.X = X;
this.Y = Y;
}
function springForce(i, j, spring)
{
var dx = (dots[i].X - dots[j].X);
var dy = (dots[i].Y - dots[j].Y);
var len = Math.sqrt(dx * dx + dy * dy);
if (len > SEGLEN)
{
var springF = SPRINGK * (len - SEGLEN);
spring.X += (dx / len) * springF;
spring.Y += (dy / len) * springF;
}
}
function animate()
{
var start = 0;
if (followmouse)
{
dots[0].X = Xpos;
dots[0].Y = Ypos;
start = 1;
}
for (i = start; i < nDots; i++)
{
var spring = new vec(0, 0);
if (i > 0)
{
springForce(i - 1, i, spring);
}
if (i < (nDots - 1))
{
springForce(i + 1, i, spring);
}
var resist = new vec(-dots[i].dx * RESISTANCE,
-dots[i].dy * RESISTANCE);
var accel = new vec((spring.X + resist.X) / MASS + XGRAVITY,
(spring.Y + resist.Y) / MASS + YGRAVITY);
dots[i].dx += (DELTAT * accel.X);
dots[i].dy += (DELTAT * accel.Y);
if (Math.abs(dots[i].dx) < STOPVEL &&
Math.abs(dots[i].dy) < STOPVEL &&
Math.abs(accel.X) < STOPACC &&
Math.abs(accel.Y) < STOPACC)
{
dots[i].dx = 0;
dots[i].dy = 0;
}
dots[i].X += dots[i].dx;
dots[i].Y += dots[i].dy;
var height, width;
if (isNetscape)
{
height = window.innerHeight + window.pageYOffset;
width = window.innerWidth + window.pageXOffset;
} else
{
height = document.body.clientHeight + document.body.scrollTop;
width = document.body.clientWidth + document.body.scrollLeft;
}
if (dots[i].Y >= height - DOTSIZE - 1)
{
if (dots[i].dy > 0)
{
dots[i].dy = BOUNCE * -dots[i].dy;
}
dots[i].Y = height - DOTSIZE - 1;
}
if (dots[i].X >= width - DOTSIZE)
{
if (dots[i].dx > 0)
{
dots[i].dx = BOUNCE * -dots[i].dx;
}
dots[i].X = width - DOTSIZE - 1;
}
if (dots[i].X < 0)
{
if (dots[i].dx < 0)
{
dots[i].dx = BOUNCE * -dots[i].dx;
}
dots[i].X = 0;
}
dots[i].obj.left = dots[i].X;
dots[i].obj.top = dots[i].Y;
}
} //欢迎来到源码搜藏，我们的网址是www.codesocang.com，很好记，本站收集大量高质量js代码，还有许多广告代码下载。
</SCRIPT>
</body>
</html>
跟随鼠标的弹性图片由源码搜藏网整理,转载请注明出处http://www.codesocang.com/texiao/shubiaotexiao/4631.html
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