捌玖网络工作室 » 网页编程 » 网页之不断弹射的文字-特效

zw2004 发表于 2008-1-21 20:55

网页之不断弹射的文字-特效

<style type="text/css">wA5D(vf2O
#supertext {d6Hp~K&ym~Hw\9J
position:absolute;
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top:0;
-H ~fTp visibility:hide;~~H*zqd
visibility:hidden;
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</style>#M1b%X9v9K*}
<script language="JavaScript1.2">*WF*GgUTG!t0M
<!-- 改变下的字体的大小。颜色-->
9t,g8`E&`@ var thecontent='<h2><font size="2" face="宋体" color="FF0000">欢迎光临七色风网页家园</font></h2>'
Z.k9|6W8dbS var hidetimer='';#Kv3b5]1x#^M{iX
<!-- 改变下的弹跳速度-->V(Eq Vibk
var BallSpeed = 20;
&G{zCU)Pr var contentWidth;/A'LOL,wP1v
var contentHeight;%po,DBv;ey;B
var maxBallSpeed = 50;7oa
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)`&Y)C;^)CCg2c var xMax;
8H al%bC$Y*K var yMax; J6xbaLH-Me
var xPos = 0;
$RV;zl:g0k var yPos = 0;
)MD1KQH6i:ko var xDir = 'right';s6W&x:_0R6k
var yDir = 'down';/|]
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var superballRunning = true;4q6U9cV"q9oI-x
var tempBallSpeed;#R6yV*b@ B
var currentBallSrc;?e U+D.j^|}
var newXDir;
x)f"@N G var newYDir;
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Ye}#A8uOM3d ~e H function initializeBall() {
+U&u4ZG;F]/t!{    if (document.all) {
y/xD:ye*dr*a/I}       xMax = document.body.clientWidth
_K*L9Ev6u8?B8G       yMax = document.body.clientHeight I"r&m9F|JO{
      document.all("supertext").style.visibility = "visible";3q*Ky2vV!BU
      contentWidth=supertext.offsetWidthQi#ut&aT"]X'o,w
      contentHeight=supertext.offsetHeightd4CWgG;b!v$k
      }E9kk)R*TS-l,C#HE
   else if (document.layers) { Nncp?8l
      xMax = window.innerWidth;
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}4S@       yMax = window.innerHeight;(j1`,MGI;GpTX
      contentWidth=document.supertext.document.width
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e:L6l"\8s       contentHeight=document.supertext.document.height8`6sCqm8A
      document.layers["supertext"].visibility = "show";
5?e\'P-M(]w5H       }
l-[4]4KYf    setTimeout('moveBall()',400);
3PT;q^OyT{/h|    if (hidetimer!='')QAMAU,Ki1F&m
   setTimeout("hidetext()",hidetimer)1v#pu;v,? MjO.v
   }$X:O5r8dwM.Ybrk
y1H9_Q$R.E1m$[?
function moveBall() {w `1P&kdb0X}*F H
   if (superballRunning == true) {
-XkC C(l       calculatePosition();e z/C ?Rm%x
      if (document.all) {9Ue`^iD
         document.all("supertext").style.left = xPos + document.body.scrollLeft;
H7O3Ew {3m;^jj#Ea T]9C          document.all("supertext").style.top = yPos + document.body.scrollTop;)fQ$E TB't6Eq5c
         }_7i] O,M-K
      else if (document.layers) {
:a9f4o-^
lu"Xa6y          document.layers["supertext"].left = xPos + pageXOffset;y4YBEk8G
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         document.layers["supertext"].top = yPos + pageYOffset;
X}8[P^2G          }JX],ra3U
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      animatetext=setTimeout('moveBall()',20);4U;uoE#u7h
      }
ad{
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function calculatePosition() {
2dM\:d a6z    if (xDir == "right") { Wt VG'Ov
      if (xPos > (xMax - contentWidth - BallSpeed)) {
x0{4|2l+izb          xDir = "left";
'h%u#jx o'X\          }

Uy h7dx\!NS       }E2UaJO
   else if (xDir == "left") {utu1Kec[/_ Lk?F
      if (xPos < (0 + BallSpeed)) {
MLO0`#\pG6U          xDir = "right";
)CL(V rN8y          }]?H_fgV @7t
      }0~7U/u
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   if (yDir == "down") {:HLHh+w:a
      if (yPos > (yMax - contentHeight - BallSpeed)) {
i8A8XA0[J?(M?|          yDir = "up";*K9exNvglx2[
         }
)K&M#B@)WC2Pl       }]]wlEUM U2n7C|
   else if (yDir == "up") {H B IA^ l(x/\)r
      if (yPos < (0 + BallSpeed)) {W\*YT_5etr
         yDir = "down";*TXqG f-Gw7[
         }*SSM9KBf2y-w
      }
,f3R ?iZG^2g\[(Z    if (xDir == "right") {
i#Xi B0y(lDQ/vK       xPos = xPos + BallSpeed;
$p"I6l&uYL       }
l\ }b hQ,D]    else if (xDir == "left") {
Un*lN8u2jHvG|_       xPos = xPos - BallSpeed;;RHEj7?F!Gs+M
      }L%M"Wf4_1W,g"QF
   else {
2\W Tc"n \A       xPos = xPos;
%aqJft,x(ol-^       }
RR5pj!_    if (yDir == "down") {
2kd)||7} cA       yPos = yPos + BallSpeed;
/R1DMYUP       }+hMR(V}so{
   else if (yDir == "up") {'z#gtj)o!g7VlV
      yPos = yPos - BallSpeed;5S[M-q n0zZ
      }2^/[f XO
   else {
1bdBI6\t [{       yPos = yPos;
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b       } R0D ?(aC2Y`@5PD
   }
r9k)G)@-M)j.R
b/r%my9C\p8`v(Ga function hidetext(){ k GHcs.Xg
if (document.all)
_i*Q+C i({Dhrl supertext.style.visibility="hidden"
D \sh5R#i6k-a:{ else if (document.layers)r#qp$G:c4J
document.supertext.visibility="hide"J/r;m.kpS
clearTimeout(animatetext)
lYOC+T,c$DZ }
%m2D)dmQYo_0N
2t$c#P(~#B/Z$G@
V if (document.all||document.layers){mMlY}|YtA)D
document.write('<span id="supertext"><nobr>'+thecontent+'</nobr></span>')
v:NP"E1WyM&S.O window.onload = initializeBall;'Bt#O5@XU\"GW6m(^
window.onresize = new Function("window.location.reload()");M!Ni4|K'Q[
}
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</script>

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