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<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>JS仿黑客帝国字母掉落效果</title>
<style type=text/css>
.matrix{padding-right: 0px; padding-left: 0px; font-size: 10pt; padding-bottom: 0px; margin: 0px; width: 10px; padding-top: 0px; font-family: lucida console, courier, monotype; text-align: center}
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</head>
<body bgColor=#fef4d9>
<center>JS仿黑客帝国字母掉落效果</center><br><center>
<SCRIPT language=javascript type=text/Javascript>
var rows=11; // must be an odd number
var speed=50; // lower is faster
var reveal=2; // between 0 and 2 only. The higher, the faster the word appears
var effectalign="default" //enter "center" to center it.
var w3c=document.getElementById && !window.opera;;
var ie45=document.all && !window.opera;
var ma_tab, matemp, ma_bod, ma_row, x, y, columns, ma_txt, ma_cho;
var m_coch=new Array();
var m_copo=new Array();
window.onload=function() {
if (!w3c && !ie45) return
var matrix=(w3c)?document.getElementById("matrix"):document.all["matrix"];
ma_txt=(w3c)?matrix.firstChild.nodeValue:matrix.innerHTML;
ma_txt=" "+ma_txt+" ";
columns=ma_txt.length;
if (w3c) {
while (matrix.childNodes.length) matrix.removeChild(matrix.childNodes[0]);
ma_tab=document.createElement("table");
ma_tab.setAttribute("border", 0);
ma_tab.setAttribute("align", effectalign);
ma_tab.style.backgroundColor="#000000";
ma_bod=document.createElement("tbody");
for (x=0; x<rows; x++) {
ma_row=document.createElement("tr");
for (y=0; y<columns; y++) {
matemp=document.createElement("td");
matemp.setAttribute("id", "Mx"+x+"y"+y);
matemp.className="matrix";
matemp.appendChild(document.createTextNode(String.fromCharCode(160)));
ma_row.appendChild(matemp);
}
ma_bod.appendChild(ma_row);
}
ma_tab.appendChild(ma_bod);
matrix.appendChild(ma_tab);
} else {
ma_tab='<ta'+'ble align="'+effectalign+'" border="0" style="background-color:#000000">';
for (var x=0; x<rows; x++) {
ma_tab+='<t'+'r>';
for (var y=0; y<columns; y++) {
ma_tab+='<t'+'d class="matrix" id="Mx'+x+'y'+y+'"> </'+'td>';
}
ma_tab+='</'+'tr>';
}
ma_tab+='</'+'table>';
matrix.innerHTML=ma_tab;
}
ma_cho=ma_txt;
for (x=0; x<columns; x++) {
ma_cho+=String.fromCharCode(32+Math.floor(Math.random()*94));
m_copo[x]=0;
}
ma_bod=setInterval("mytricks()", speed);
}
function mytricks() {
x=0;
for (y=0; y<columns; y++) {
x=x+(m_copo[y]==100);
ma_row=m_copo[y]%100;
if (ma_row && m_copo[y]<100) {
if (ma_row<rows+1) {
if (w3c) {
matemp=document.getElementById("Mx"+(ma_row-1)+"y"+y);
matemp.firstChild.nodeValue=m_coch[y];
}
else {
matemp=document.all["Mx"+(ma_row-1)+"y"+y];
matemp.innerHTML=m_coch[y];
}
matemp.style.color="#33ff66";
matemp.style.fontWeight="bold";
}
if (ma_row>1 && ma_row<rows+2) {
matemp=(w3c)?document.getElementById("Mx"+(ma_row-2)+"y"+y):document.all["Mx"+(ma_row-2)+"y"+y];
matemp.style.fontWeight="normal";
matemp.style.color="#00ff00";
}
if (ma_row>2) {
matemp=(w3c)?document.getElementById("Mx"+(ma_row-3)+"y"+y):document.all["Mx"+(ma_row-3)+"y"+y];
matemp.style.color="#009900";
}
if (ma_row<Math.floor(rows/2)+1) m_copo[y]++;
else if (ma_row==Math.floor(rows/2)+1 && m_coch[y]==ma_txt.charAt(y)) zoomer(y);
else if (ma_row<rows+2) m_copo[y]++;
else if (m_copo[y]<100) m_copo[y]=0;
}
else if (Math.random()>0.9 && m_copo[y]<100) {
m_coch[y]=ma_cho.charAt(Math.floor(Math.random()*ma_cho.length));
m_copo[y]++;
}
}
if (x==columns) clearInterval(ma_bod);
}
function zoomer(ycol) {
var mtmp, mtem, ytmp;
if (m_copo[ycol]==Math.floor(rows/2)+1) {
for (ytmp=0; ytmp<rows; ytmp++) {
if (w3c) {
mtmp=document.getElementById("Mx"+ytmp+"y"+ycol);
mtmp.firstChild.nodeValue=m_coch[ycol];
}
else {
mtmp=document.all["Mx"+ytmp+"y"+ycol];
mtmp.innerHTML=m_coch[ycol];
}
mtmp.style.color="#33ff66";
mtmp.style.fontWeight="bold";
}
if (Math.random()<reveal) {
mtmp=ma_cho.indexOf(ma_txt.charAt(ycol));
ma_cho=ma_cho.substring(0, mtmp)+ma_cho.substring(mtmp+1, ma_cho.length);
}
if (Math.random()<reveal-1) ma_cho=ma_cho.substring(0, ma_cho.length-1);
m_copo[ycol]+=199;
setTimeout("zoomer("+ycol+")", speed);
}
else if (m_copo[ycol]>200) {
if (w3c) {
mtmp=document.getElementById("Mx"+(m_copo[ycol]-201)+"y"+ycol);
mtem=document.getElementById("Mx"+(200+rows-m_copo[ycol]--)+"y"+ycol);
}
else {
mtmp=document.all["Mx"+(m_copo[ycol]-201)+"y"+ycol];
mtem=document.all["Mx"+(200+rows-m_copo[ycol]--)+"y"+ycol];
}
mtmp.style.fontWeight="normal";
mtem.style.fontWeight="normal";
setTimeout("zoomer("+ycol+")", speed);
}
else if (m_copo[ycol]==200) m_copo[ycol]=100+Math.floor(rows/2);
if (m_copo[ycol]>100 && m_copo[ycol]<200) {
if (w3c) {
mtmp=document.getElementById("Mx"+(m_copo[ycol]-101)+"y"+ycol);
mtmp.firstChild.nodeValue=String.fromCharCode(160);
mtem=document.getElementById("Mx"+(100+rows-m_copo[ycol]--)+"y"+ycol);
mtem.firstChild.nodeValue=String.fromCharCode(160);
}
else {
mtmp=document.all["Mx"+(m_copo[ycol]-101)+"y"+ycol];
mtmp.innerHTML=String.fromCharCode(160);
mtem=document.all["Mx"+(100+rows-m_copo[ycol]--)+"y"+ycol];
mtem.innerHTML=String.fromCharCode(160);
}
setTimeout("zoomer("+ycol+")", speed);
}
}
// -->
</SCRIPT>
<div id=matrix>I love lanrentuku</div>
<p>更多代码请访问：<a href="http://www.lanrentuku.com/js/" target="_blank">懒人图库</a></p>
</center>
</body>
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