雪花栈（部落格教程，软件与IT实践）: 鼠标效果[pointer effect]（Love爱心）

这是我自制的Love效果~不过我自认做的不是很好@@喜欢的人可以使用~不喜欢的闪边去~=P
想要的人到Design-->Edit HTML里按Ctrl+F找<head>
将下面的这些代码Copy后放在<head>的下面就可以了~

<script type='text/javascript'>



// <![CDATA[



var colour="#81F7F3";



var sparkles=40;





var x=ox=400;



var y=oy=300;



var swide=800;



var shigh=600;



var sleft=sdown=0;



var tiny=new Array();



var star=new Array();



var starv=new Array();



var starx=new Array();



var stary=new Array();



var tinyx=new Array();



var tinyy=new Array();



var tinyv=new Array();



window.onload=function() { if (document.getElementById) {



var i, rats, rlef, rdow;



for (var i=0; i<sparkles; i++) {



var rats=createDiv(3, 3);



rats.style.visibility="hidden";



document.body.appendChild(tiny[i]=rats);



starv[i]=0;



tinyv[i]=0;



var rats=createDiv(5, 5);



rats.style.backgroundColor="transparent";



rats.style.visibility="hidden";



var rlef=createDiv(5, 5);



var rdow=createDiv(5, 5);



rats.appendChild(rlef);



rats.appendChild(rdow);



rlef.style.top="2px";



rlef.style.left="0px";



rdow.style.top="0px";



rdow.style.left="2px";



document.body.appendChild(star[i]=rats);



}



set_width();



sparkle();



}}



function sparkle() {



var c;



if (x!=ox || y!=oy) {



ox=x;



oy=y;



for (c=0; c<sparkles; c++) if (!starv[c]) {



star[c].style.left=(starx[c]=x)+"px";



star[c].style.top=(stary[c]=y)+"px";



star[c].style.clip="rect(0px, 5px, 5px, 0px)";



star[c].style.visibility="visible";



starv[c]=50;



break;



}



}



for (c=0; c<sparkles; c++) {



if (starv[c]) update_star(c);



if (tinyv[c]) update_tiny(c);



}



setTimeout("sparkle()", 40);



}



function update_star(i) {



if (--starv[i]==25) star[i].style.clip="rect(1px, 4px, 4px, 1px)";



if (starv[i]) {



stary[i]+=1+Math.random()*3;



if (stary[i]<shigh+sdown) {



star[i].style.top=stary[i]+"px";



starx[i]+=(i%5-2)/5;



star[i].style.left=starx[i]+"px";



}



else {



star[i].style.visibility="hidden";



starv[i]=0;



return;



}



}



else {



tinyv[i]=50;



tiny[i].style.top=(tinyy[i]=stary[i])+"px";



tiny[i].style.left=(tinyx[i]=starx[i])+"px";



tiny[i].style.width="2px";



tiny[i].style.height="2px";



star[i].style.visibility="hidden";



tiny[i].style.visibility="visible"



}



}



function update_tiny(i) {



if (--tinyv[i]==25) {



tiny[i].style.width="1px";



tiny[i].style.height="1px";



}



if (tinyv[i]) {



tinyy[i]+=1+Math.random()*5;



if (tinyy[i]<shigh+sdown) {



tiny[i].style.top=tinyy[i]+"px";



tinyx[i]+=(i%5-2)/5;



tiny[i].style.left=tinyx[i]+"px";



}



else {



tiny[i].style.visibility="hidden";



tinyv[i]=0;



return;



}



}



else tiny[i].style.visibility="hidden";



}



document.onmousemove=mouse;



function mouse(e) {



set_scroll();



y=(e)?e.pageY:event.y+sdown;



x=(e)?e.pageX:event.x+sleft;



}



function set_scroll() {



if (typeof(self.pageYOffset)=="number") {



sdown=self.pageYOffset;



sleft=self.pageXOffset;



}



else if (document.body.scrollTop || document.body.scrollLeft) {



sdown=document.body.scrollTop;



sleft=document.body.scrollLeft;



}



else if (document.documentElement && (document.documentElement.scrollTop || document.documentElement.scrollLeft)) {



sleft=document.documentElement.scrollLeft;



sdown=document.documentElement.scrollTop;



}



else {



sdown=0;



sleft=0;



}



}



window.onresize=set_width;



function set_width() {



if (typeof(self.innerWidth)=="number") {



swide=self.innerWidth;



shigh=self.innerHeight;



}



else if (document.documentElement && document.documentElement.clientWidth) {



swide=document.documentElement.clientWidth;



shigh=document.documentElement.clientHeight;



}



else if (document.body.clientWidth) {



swide=document.body.clientWidth;



shigh=document.body.clientHeight;



}



}



function createDiv(height, width) {



var div=document.createElement("div");



div.style.position="absolute";



div.style.height=height+"49px";



div.style.width=width+"50px";



div.style.overflow="hidden";



div.style.backgroundColor=colour;



return (div);



}



// ]]>



</script>