当前位置：中国新华电脑网校 → 实例教程 → DW实例 → 很酷的字符飞舞效果

很酷的字符飞舞效果

减小字体

增大字体作者：佚名来源：转载发布时间：2008-11-24 10:25:01

<html>
<head><title>Ajax中国网页特效演示，很酷的字符飞舞效果</title>
<script language="JavaScript">
<!--

//下面是在屏幕上飞的字
var message = "welcom";

//下面是字飞过后出现的正文
var finalmessage = "";

/*--------------------------------------------------------------------------*/
/*以下的可选择使用*/

//下面是飞字的条数，取1--10之间，本页取的是10
var noOfFlyers = 10;

//下面是每条飞字的颜色，注意：条数是多少，即对应几条颜色
var blkCol = new Array("black","blue","red","green","blue","blue","red","black","red","green");

//下面是每条飞字的字体，注意：条数是多少，即对应几条字体
var blkFont = new Array("arial","timesroman","courier","verdana","timesroman","courier","arial","timesroman","courier","verdana");

//下面是每条飞字的大小，建议在10-32之间，注意：条数是多少，即对应几条大小
var blkSize = new Array("22","14","10","28","29","10","22","24","26","10");

//下面是定义每条飞字是否斜体，注意：条数是多少，即对应几条信息
var blkIt = new Array("0","0","1","0","0","1","1","0","1","1");

/*--------------------------------------------------------------------------*/
/*请不要轻易修改以下代码*/

var ie=document.all?1:0
var ns=document.layers?1:0
var err = 0;

var msgI=1;
var noOfMsgs;

function initialize()
{
if(!ns && !ie) {
document.writeln("<center>"+finalmessage+"</center>");
document.writeln("

<font face='arial' size=2>You are missing out on all the coolest stuff because of your outdated browser. Upgrade soon.");
  err=1;
  return;
  }

if(noOfFlyers<1||noOfFlyers>10) {handleErr("The number of flying blocks has been assigned an invalid value. Script will terminate.");return}
if(blkCol.length!=noOfFlyers) {handleErr("The list of block colours has an invalid length. Script will terminate.");return}
if(blkFont.length!=noOfFlyers) {handleErr("The list of block fonts has an invalid length. Script will terminate.");return}
if(blkSize.length!=noOfFlyers) {handleErr("The list of block font sizes has an invalid length. Script will terminate.");return}

self.moveTo(0,0);
self.resizeTo(screen.width,screen.height);

var msg = new String(message);
aOMsgs = msg.split(" ");
noOfMsgs = aOMsgs.length+1;
for(var i = 0; i<aOMsgs.length; i++)
{
  for(var j = 1; j<=noOfFlyers; j++)
  {
   if(ie) document.writeln("<div id=\"fly"+String((i*noOfFlyers)+j)+"\" class=\"fly"+String(j)+"\" style=\"visibility:hidden\">"+aOMsgs[i]+"</div>");
   if(ns) document.writeln("<layer id=\"fly"+String((i*noOfFlyers)+j)+"\" class=\"fly"+String(j)+"\" visibility=\"hidden\">"+aOMsgs[i]+"</layer>");
  }
}

if(ie) document.write("<div id=\"mesg\" style=\"position:relative;color:black;visibility:hidden;font-family:arial;\"><center>"+finalmessage+"</center></div>");
if(ns) document.write("<layer id=\"mesg\" class=\"mesg\" visibility=\"hidden\"><center>"+finalmessage+"</center></layer>");

}

var screen_x = screen.width;
var screen_y = screen.height;

var window_x = 0.9*screen_x;
var window_y = 0.6*screen_y;
var x;
x=0.6*Math.random();
if(x>0.3) x+=0.4;

this.start_x = Math.round(window_x*x);
this.start_y = Math.round(window_y*Math.random());

if(x>0.3) x=0.3*Math.random();
else x=0.7+0.3*Math.random();

this.stop_x = Math.round(window_x*x);
this.stop_y = Math.round(window_y*Math.random());

        this.slope = (this.stop_y - this.start_y)/(this.stop_x - this.start_x);

this.speed = Math.round(Math.random()*2)+4;
if(ns) this.speed-=2;
this.steps = Math.round(Math.abs(this.start_x-this.stop_x)/this.speed);

this.curCol = 0;
this.curI = 0;
this.timerID = 0;

if(ie) this.objStyle = eval("document.all(\""+this.objID+"\").style");
if(ns) this.objStyle = eval("document.layers[\""+this.objID+"\"]");

var tmp = (parseInt(dataID.substring(3))-1)%noOfFlyers;

if(ie) {
  this.color=blkCol[tmp];
  this.objStyle.fontFamily=blkFont[tmp];
  this.objStyle.fontSize=blkSize[tmp]+"pt";
  this.objStyle.fontStyle=(parseInt(blkIt[tmp])?"italic":"normal");

}

this.Animate = animate_fly;

}

function animate_fly()
{

if(ie){
  this.objStyle.pixelLeft = this.start_x+this.curI;
  this.objStyle.pixelTop = (this.slope*this.curI) + this.start_y;
  }
if(ns){
  this.objStyle.left = this.start_x+this.curI;
  this.objStyle.top = (this.slope*this.curI) + this.start_y;
  }
this.objStyle.visibility="visible";
if(this.stop_x>this.start_x) this.curI+=this.speed;
else this.curI-=this.speed;
if(ie){
var tmp;
switch(this.color){

  case "white":
  tmp=String("rgb("+String(this.curCol)+","+String(this.curCol)+","+String(this.curCol)+")");
  break;

  case "red":
  tmp=String("rgb("+String(this.curCol)+",0,0)");
  break;

  case "blue":
  tmp=String("rgb(0,0,"+String(this.curCol)+")");
  break;

  case "green":
  tmp=String("rgb(0,"+String(this.curCol)+",0)");
  break;

  default:
  }
        this.objStyle.color=tmp;
if(this.steps>50){
if(Math.abs(this.curI/this.speed)<25) this.curCol+=10;
if(Math.abs(this.curI/this.speed)>(this.steps-25)) this.curCol-=5;

}
}
if(Math.abs(this.start_x+this.curI-this.stop_x)<=this.speed) {
  clearInterval(this.timerID);
  this.timerID=0;
  this.objStyle.visibility="hidden";
  var end=0;
  for(var i=1; i<=noOfFlyers; i++)
   if(fly[i].timerID) end=1;
  if(!end)
   if(msgI<noOfMsgs) start_flying(msgI++);
   else stop_flying();

}

}

var fly = new Array(11);
function start_flying(msgIndex)
{
if(err) return;
for(var s=1; s<=noOfFlyers; s++)
{
fly[s] = new fly_txt("fly"+String((msgIndex-1)*noOfFlyers+s));
}

for(s=1;s<=noOfFlyers;s++)
{
var cmd = "fly["+s+"].Animate()";
fly[s].timerID = setInterval(cmd,10);
}

}

initialize();

//-->
</script>
</body>
</html>

[] [返回上一页] [打印]

频道栏目导航

本类热门阅览

很酷的字符飞舞效果

很酷的字符飞舞效果

频道栏目导航

本类热门阅览

相关文章