Cara Membuat Efek Berputar Mengikuti Mouse

Bagaimana anda gayakan mouse bagi pengunjung yang mengunjungi blog anda.? Adakah anda biarkan secara default atau lakukan pengubahsuaian.?
Sebelum ini terdapat beberapa tutorial seperti bubble, sparkle, atau following star.
Dan kali ini, satu lagi cara untuk memperkeren efek berputar pada mouse yang anda boleh lakukan, yaitu objek mengelilingi mouse seperti gambar di bawah :

Anda juga blog melihat contoh di blog demo ini

Tutorial di bawah.

1. Dari dashboard > design > add a gadget > HTML/javascript.

2. Copy dan paste kod di bawah ke dalam HTML/javascript yang anda buka.

<script language="JavaScript" type="text/javascript">
var xCol = "#FF0000";
var yCol = "#FFFF00";
var zCol = "#0000FF";
var n = 6; //number of dots per trail.
var t = 40; //setTimeout speed.
var s = 0.2; //effect speed.
var r,h,w;
var d = document;
var my = 10;
var mx = 10;
var stp = 0;
var evn = 360/3;
var vx = new Array();
var vy = new Array();
var vz = new Array();
var dy = new Array();
var dx = new Array();
var pix = "px";
var strictmod = ((document.compatMode) &&
document.compatMode.indexOf("CSS") != -1);
var domWw = (typeof window.innerWidth == "number");
var domSy = (typeof window.pageYOffset == "number");

var idx = d.getElementsByTagName('div').length;
for (i = 0; i < n; i++)

{

var dims = (i+1)/2;

d.write('<div id="x'+(idx+i)+'" style="position:absolute;'

+'top:0px;left:0px;width:'+dims+'px;height:'+dims+'px;'

+'background-color:'+xCol+';font-size:'+dims+'px"><\/div>'

+'<div id="y'+(idx+i)+'" style="position:absolute;top:0px;'

+'left:0px;width:'+dims+'px;height:'+dims+'px;'

+'background-color:'+yCol+';font-size:'+dims+'px"><\/div>'

+'<div id="z'+(idx+i)+'" style="position:absolute;top:0px;'

+'left:0px;width:'+dims+'px;height:'+dims+'px;'

+'background-color:'+zCol+';font-size:'+dims+'px"><\/div>');

}

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 + 16;

mx = e.pageX + 6;

}

else

{

my = e.clientY - msy + 16;

mx = e.clientX + 6;

}

if (my > h-65) my = h-65;

if (mx > w-50) mx = w-50;

}

function assgn()

{

for (j = 0; j < 3; j++)

{

dy[j] = my + 50 * Math.cos(stp+j*evn*Math.PI/180) *

Math.sin((stp+j*25)/2) + scrl(0) + pix;

dx[j] = mx + 50 * Math.sin(stp+j*evn*Math.PI/180) *

Math.sin((stp+j*25)/2) * Math.sin(stp/4) + pix;

}

stp+=s;

for (i = 0; i < n; i++)

{

if (i < n-1)

{

vx[i].top = vx[i+1].top; vx[i].left = vx[i+1].left;

vy[i].top = vy[i+1].top; vy[i].left = vy[i+1].left;

vz[i].top = vz[i+1].top; vz[i].left = vz[i+1].left;

}

else

{

vx[i].top = dy[0]; vx[i].left = dx[0];

vy[i].top = dy[1]; vy[i].left = dx[1];

vz[i].top = dy[2]; vz[i].left = dx[2];

}

}

setTimeout(assgn,t);

}

function init()

{

for (i = 0; i < n; i++)

{

vx[i] = document.getElementById("x"+(idx+i)).style;

vy[i] = document.getElementById("y"+(idx+i)).style;

vz[i] = document.getElementById("z"+(idx+i)).style;

}

winsize();

assgn();

}

if (window.addEventListener)

{

window.addEventListener("resize",winsize,false);

window.addEventListener("load",init,false);

document.addEventListener("mousemove",mouse,false);

}

else

if (window.attachEvent)

{

window.attachEvent("onload",init);

document.attachEvent("onmousemove",mouse);

window.attachEvent("onresize",winsize);

}
</script>

3. Save dan lihat hasilnya.

TAMBAHAN

Kode Berwarna Merah Bisa Anda Ganti Sesuai Warna Yang Kamu Sukai
var xCol = "#FF0000";
var yCol = "#FFFF00";
var zCol = "#0000FF";