10跟随鼠标旋转背景

<html>

<head>

<title>跟随鼠标旋转背景</title>

</head>

</div>

<!-- Begin

var Clrs = new Array(6);

Clrs[0] = 'ff0000';

Clrs[1] = '00ff00';

Clrs[2] = '000aff';

Clrs[3] = 'ff00ff';

Clrs[4] = 'fff000';

Clrs[5] = 'fffff0';

var yBase = 200;

var xBase = 200;

var step;

var currStep = 0;

var Xpos = 1;

var Ypos = 1;

var Xs = 200;

var Ys = 400;

if (document.layers) {

window.captureEvents(Event.MOUSEMOVE);

}

if (document.all) {

function MoveHandler() {

Xpos = document.body.scrollLeft+event.x;

Ypos = document.body.scrollTop+event.y;

}

document.onmousemove = MoveHandler;

}

else if (document.layers) {

function xMoveHandler(evnt) {

Xpos = evnt.pageX;

Ypos = evnt.pageY;

}

window.onMouseMove = xMoveHandler;

}

function Comet() {

if (document.all) {

yBase = window.document.body.offsetHeight / 4;

xBase = window.document.body.offsetWidth / 4;

}

else if (document.layers) {

yBase = window.innerHeight / 4;

xBase = window.innerWidth / 4;

}

if (document.all) {

for ( i = 0 ; i < starsDiv.all.length ; i++ ) {

step = 3;

starsDiv.all[i].style.top = Ypos + yBase*Math.cos((currStep + i*4)/12)*Math.cos(0.7+currStep/200);

starsDiv.all[i].style.left = Xpos + xBase*Math.sin((currStep + i*3)/10)*Math.sin(8.2+currStep/400);

for (ai = 0; ai < Clrs.length; ai++) {

var c=Math.round(Math.random()*[ai]);

}

starsDiv.all[i].style.background = Clrs[c];

}

else if (document.layers) {

for ( j = 0 ; j < 14 ; j++ ) { //number of NS layers!

step = 6;

var templayer = "a"+j;

document.layers[templayer].top = Ypos + yBase*Math.cos((currStep + j*4)/12)*Math.cos(0.7+currStep/200);

document.layers[templayer].left = Xpos + xBase*Math.sin((currStep + j*3)/10)*Math.sin(8.2+currStep/400);

for (aj=0; aj < Clrs.length; aj++)

{

var c=Math.round(Math.random()*[aj]);

}

document.layers[templayer].bgColor = Clrs[c];

}

currStep += step;

setTimeout("Comet()", 5);

}

Comet();

// End -->

</script>

<center><font color=white face="隶书" size=6>跟随鼠标旋转背景</font></center><br>

<br>

</table></center>

<br>

脚本说明:

把如下代码加入<body>区域中

</div>

<!-- Begin

var Clrs = new Array(6);

Clrs[0] = 'ff0000';

Clrs[1] = '00ff00';

Clrs[2] = '000aff';

Clrs[3] = 'ff00ff';

Clrs[4] = 'fff000';

Clrs[5] = 'fffff0';

var yBase = 200;

var xBase = 200;

var step;

var currStep = 0;

var Xpos = 1;

var Ypos = 1;

var Xs = 200;

var Ys = 400;

if (document.layers) {

window.captureEvents(Event.MOUSEMOVE);

}

if (document.all) {

function MoveHandler() {

Xpos = document.body.scrollLeft+event.x;

Ypos = document.body.scrollTop+event.y;

}

document.onmousemove = MoveHandler;

}

else if (document.layers) {

function xMoveHandler(evnt) {

Xpos = evnt.pageX;

Ypos = evnt.pageY;

}

window.onMouseMove = xMoveHandler;

}

function Comet() {

if (document.all) {

yBase = window.document.body.offsetHeight / 4;

xBase = window.document.body.offsetWidth / 4;

}

else if (document.layers) {

yBase = window.innerHeight / 4;

xBase = window.innerWidth / 4;

}

if (document.all) {

for ( i = 0 ; i < starsDiv.all.length ; i++ ) {

step = 3;

starsDiv.all[i].style.top = Ypos + yBase*Math.cos((currStep + i*4)/12)*Math.cos(0.7+currStep/200);

starsDiv.all[i].style.left = Xpos + xBase*Math.sin((currStep + i*3)/10)*Math.sin(8.2+currStep/400);

for (ai = 0; ai < Clrs.length; ai++) {

var c=Math.round(Math.random()*[ai]);

}

starsDiv.all[i].style.background = Clrs[c];

}

else if (document.layers) {

for ( j = 0 ; j < 14 ; j++ ) { //number of NS layers!

step = 6;

var templayer = "a"+j;

document.layers[templayer].top = Ypos + yBase*Math.cos((currStep + j*4)/12)*Math.cos(0.7+currStep/200);

document.layers[templayer].left = Xpos + xBase*Math.sin((currStep + j*3)/10)*Math.sin(8.2+currStep/400);

for (aj=0; aj < Clrs.length; aj++)

{

var c=Math.round(Math.random()*[aj]);

}

document.layers[templayer].bgColor = Clrs[c];

}

currStep += step;

setTimeout("Comet()", 5);

}

Comet();

// End -->

</script>

</textarea>

<!-- hide

function goHist(a)

{

history.go(a);

}

//-->

</script>

</form>

</center>

<br>

</body>

</html>

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10跟随鼠标旋转背景