?? mousefire.htm
字號:
<html>
<head>
<title>
鼠標焰火
</title>
<script language="JavaScript">
<!-- Begin
var ver = navigator.appVersion;//獲得瀏覽器的版本號
var dom = document.getElementById ? 1 : 0;//判斷瀏覽器是否是IE5.5版本以上，Netscape版本5.5以上
var ie5 = (ver.indexOf("MSIE 5") > -1 && dom) ? 1 : 0;//判斷是否ie5.0版本以上
var n = (document.layers);//判斷是否Netscape瀏覽器
var ie = (document.all);//判斷是否IE瀏覽器
var sparksAflyin = 0;//判斷是否目前正在顯示焰火效果
var totalSparks = 0;//完成一次顯示的焰火文字數目
var sparksOn = 1;//設置是否顯示焰火效果
//設置onMousedown事件的處理函數為自定義的mousedown函數
function initMouseEvents()
{
document.onmousedown = mouseDown;
if(n)
document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE);
}
//鼠標移動事件的處理函數
function mouseDown(e)
{
if(sparksOn) //如果顯示焰火效果
{
var mousex = (n)? e.pageX : event.x+document.body.scrollLeft;//獲得鼠標的橫坐標
var mousey = (n)? e.pageY : event.y+document.body.scrollTop;//獲得鼠標的縱坐標
if(!sparksAflyin) //如果當前沒有焰火效果，則顯示焰火效果
{
for(var k = 0; k <= 9; k++)//顯示所有的焰火文字
eval('SHOW("sDiv'+k+'")');
sparksAflyin = 1;//設置目前處于焰火效果狀態
totalSparks = 0;//目前完成一次顯示效果的文字數目為0
for(i = 0;i <= 9; i++)
eval('moveTo('+i+',0,'+mousex+','+mousey+')');//進入實現焰火效果的處理函數
}
}
}
//焰火效果的處理函數
//i指定第幾個焰火文字，j指定這個焰火文字所處的第幾個位置(我們給每個焰火文字設定了路徑，也就是說，若干個不同的位置)，mousex和mousey則是鼠標的位置
function moveTo(i,j, mousex, mousey)
{
if(j < eval('anim_'+i+'_x.length'))//如果焰火文字的路徑未結束，也就是沒有到達終點位置
{
var tempx = eval('anim_'+i+'_x[j]+mousex');//給出焰火文字的下一個位置的橫坐標
var tempy = eval('anim_'+i+'_y[j]+mousey');//給出焰火文字的下一個位置的縱坐標
if(ie) //如果是IE瀏覽器
{
if((tempy+30)>(document.body.offsetHeight+document.body.scrollTop))//如果焰火文字的位置過于靠近瀏覽的窗口區下邊沿
tempy = document.body.offsetHeight+document.body.scrollTop-30;//則給它設定一個極限位置
if((tempx+30)>(document.body.offsetWidth+document.body.scrollLeft))//如果焰火文字的位置過于靠近瀏覽的窗口區右邊沿
tempx = document.body.offsetWidth+document.body.scrollLeft-30;//則給它設定一個極限位置
eval('document.all.sDiv'+i+'.style.left = tempx;');//設定焰火文字的位置的橫坐標
eval('document.all.sDiv'+i+'.style.top = tempy;');//設定焰火文字的位置的縱坐標
}
if(n) //如果是Netscape瀏覽器
{
//設置焰火文字的位置
eval('document.layers.sDiv'+i+'.left = tempx;');
eval('document.layers.sDiv'+i+'.top = tempy;');
}
j++;//開始下一輪設定焰火文字的位置
setTimeout("moveTo("+i+","+j+","+mousex+","+mousey+")",50)//循環定時器，設置焰火文字的下一輪顯示，間隔時間是50毫秒
}
else //如果焰火文字已經到達了它的終點位置，也就是說，本次焰火效果展示以結束
{
eval('HIDE("sDiv'+i+'")');//隱藏該焰火文字
totalSparks++;//完成顯示的焰火文字數目加1
}
if(totalSparks == 10) //如果完成顯示的焰火文字數目為10，也就是說，本次顯示已經全部完成
{
//變量復位
sparksAflyin = 0;//則設置焰火效果不在進行中
totalSparks = 0;//完成顯示的焰火文字數目為0
}
}
//顯示某個焰火文字的容器
function SHOW(divName)
{
if(document.all)//IE瀏覽器
eval('document.all.'+divName+'.style.visibility = "visible";');//顯示相應的容器
else if(document.layers)//NetScape瀏覽器
eval('document.layers["'+divName+'"].visibility = "visible";');
}
//隱藏某個焰火文字的容器
function HIDE(divName)
{
if(document.all)//IE
eval('document.all.'+divName+'.style.visibility = "hidden";');//隱藏
else if(document.layers)//Netscape
eval('document.layers["'+divName+'"].visibility = "hide";');//隱藏
}
//設置每個焰火文字的路徑，它們由12個位置組成，數值的含義是離鼠標當前位置的距離
anim_0_x=new Array(20,20,10,0,0,0,0,0,0,0,0,0);
anim_0_y=new Array(-20,-40,-60,-80,-60,-40,-20,0,20,40,60,80);
anim_1_x=new Array(20,20,17,36,60,78,90,92,93,98,108,120,133,152,181);
anim_1_y=new Array(-20,-20,-33,-38,-38,-27,-2,25,51,84,113,141,162,212,253);
anim_2_x=new Array(20,20,2,3,4,5,6,7,8,9,10,12,13,15,18);
anim_2_y=new Array(-20,-20,-33,-38,-38,-27,-2,25,51,84,113,141,162,212,253);
anim_3_x=new Array(-20,-20,-2,-1,7,10,18,35,60,102,94,94,93,97,108,111,117,127);
anim_3_y=new Array(-20,-25,-64,-89,-104,-150,-173,-197,-213,-199,-151,-101,-66,-17,27,87,140,189);
anim_4_x=new Array(-20,-20,-10,-39,-30,-69,-64,-138,-154,-200,-181,-209,-191,-207,-203,-213,-202,-221,-211);
anim_4_y=new Array(-20,-20,-28,-51,-79,-100,-135,-154,-193,-183,-149,-134,-89,-60,8,51,107,157,201);
anim_5_x=new Array(-20,-29,-51,-72,-105,-133,-164,-189,-209,-229,-247,-270,-279,-282,-283,-283,-285,-286,-288);
anim_5_y=new Array(-20,-55,-86,-116,-154,-183,-205,-217,-217,-198,-169,-120,-44,-8,40,87,144,190,248);
anim_6_x=new Array(-20,-20,-7,14,44,79,143,186,217,226,234,244,250,259,265,274);
anim_6_y=new Array(-20,-21,-72,-113,-139,-166,-188,-181,-126,-68,-3,54,134,187,215,257);
anim_7_x=new Array(20,20,-3,-9,-13,-27,-33,-44,-54,-66,-77,-95,-107,-136,-150,-160,-164,-168,-171,-172,-172,-176,-175);
anim_7_y=new Array(-20,-26,-43,-63,-89,-116,-145,-169,-201,-222,-240,-253,-254,-245,-220,-195,-160,-124,-81,-53,-26,19,68);
anim_8_x=new Array(-20,20,-35,39,0,45,-1,24,-15,14,-20,35,-18,38,-11,16,49,64,81,93,100,103,109);
anim_8_y=new Array(-20,-20,-32,-42,-62,-76,-89,-107,-132,-147,-173,-180,-192,-209,-236,-193,-119,-73,-24,51,95,130,188);
anim_9_x=new Array(-20,-51,-89,-110,-165,-191,-228,-240,-259,-271,-277,-281,-287);
anim_9_y=new Array(-20,-20,-35,-37,-34,-16,10,47,105,150,189,227,273);
// End -->
</script>
</head>
<body bgcolor="#000000" OnLoad="initMouseEvents()">
<div id="sparks">
<div id="sDiv0" style="position:absolute; visibility: hidden;">
<font face="arial black" color="red">
a
</font>
</div>
<div id="sDiv1" style="position:absolute; visibility: hidden;">
<font face="arial black" color="yellow">
b
</font>
</div>
<div id="sDiv2" style="position:absolute; visibility: hidden;">
<font face="arial black" color="blue">
c
</font>
</div>
<div id="sDiv3" style="position:absolute; visibility: hidden;">
<font face="arial black" color="red">
d
</font>
</div>
<div id="sDiv4" style="position:absolute; visibility: hidden;">
<font face="arial black" color="orange">
e
</font>
</div>
<div id="sDiv5" style="position:absolute; visibility: hidden;">
<font face="arial black" color="white">
f
</font>
</div>
<div id="sDiv6" style="position:absolute; visibility: hidden;">
<font face="arial black" color="green">
g
</font>
</div>
<div id="sDiv7" style="position:absolute; visibility: hidden;">
<font face="arial black" color="skyblue">
h
</font>
</div>
<div id="sDiv8" style="position:absolute; visibility: hidden;">
<font face="arial black" color="yellow">
i
</font>
</div>
<div id="sDiv9" style="position:absolute; visibility: hidden;">
<font face="arial black" color="white">
j
</font>
</div>
</div>
</body>
</html>
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