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Thread: Marquee meet at the center

  1. #1
    Join Date
    Feb 2006
    Posts
    90

    Marquee meet at the center

    I've 2 Marquee images one moving in from the left and the other moving in from the right.

    I like the 2 images to meet at the centre of the page. Any suggestion ?

    Thanks

  2. #2
    Join Date
    Jun 2004
    Location
    Portsmouth UK
    Posts
    2,709
    Code:
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    
    <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
    
    <head>
      <title></title>
     <style type="text/css">
     /*<![CDATA[*/
      .marquee {
        position:absolute;left:0px;top:50px;width:100%;height:75px;border:solid red 1px;
      }
    
      .marquee IMG {
        position:absolute;left:-100px;top:0px;height:75px;
      }
    
     /*]]>*/
     </style>
    </head>
    
    <body>
    <div id="marquee" class="marquee" >
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt5.jpg" alt="img" />
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt6.jpg" alt="img" />
    </div>
    <script type="text/javascript">
    /*<![CDATA[*/
    
    var zxcMarque={
    
     init:function(id,inc){
      if (zxcMarque['zxc'+id]){
       clearTimeout(zxcMarque['zxc'+id].to);
      }
      var obj=document.getElementById(id),imgs=obj.getElementsByTagName('IMG');
      imgs[0].style.left=-imgs[0].width+'px';
      imgs[1].style.left=obj.offsetWidth+'px';
      zxcMarque['zxc'+id]={
       obj:obj,
       imgs:imgs,
       inc:inc
      }
      this.rotate(id);
     },
    
     rotate:function(id){
      var oop=this,o=zxcMarque['zxc'+id],lft;
      if (o){
       lft=parseInt(o.imgs[1].style.left)
       if (lft>o.obj.offsetWidth/2){
        o.imgs[0].style.left=o.obj.offsetWidth-lft-o.inc-o.imgs[0].width+'px';
        o.imgs[1].style.left=lft-o.inc+'px';
        o.to=setTimeout(function(){ oop.rotate(id); },50);
       }
       else {
        this.center(id);
       }
      }
     },
    
     center:function(id){
      var o=zxcMarque['zxc'+id],lft;
      if (o){
       lft=o.obj.offsetWidth/2;
       o.imgs[0].style.left=lft-o.imgs[0].width+'px';
       o.imgs[1].style.left=lft+'px';
      }
     }
    
    }
    
    zxcMarque.init('marquee',4);
    
    window.onresize=function(){
     zxcMarque.init('marquee',4);
     // or
     //  zxcMarque.centet('marquee');
    }
    /*]]>*/
    </script>
    </body>
    
    </html>
    Vic

    God loves you and will never love you less.

    http://www.vicsjavascripts.org/Home.htm
    If my post has been useful please donate to http://www.operationsmile.org.uk/

  3. #3
    Join Date
    Feb 2006
    Posts
    90
    vwphillips,

    Good stuff !!!

    What if the 2 images arrived at the centre with one image on top and the other on the bottom but meet as one complete image in the centre.
    Again both images moving from 2 directions, one on top and the other bottom.
    Also they start off at higher speed but slowing down as they meet in the centre.

    Many Thanks

  4. #4
    Join Date
    Jun 2004
    Location
    Portsmouth UK
    Posts
    2,709
    Code:
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    
    <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
    
    <head>
      <title></title>
     <style type="text/css">
     /*<![CDATA[*/
      .marquee {
        position:absolute;left:0px;top:50px;width:100%;height:150px;border:solid red 1px;background-Color:#FFFFCC;
      }
    
      .marquee IMG {
        position:absolute;left:-100px;top:0px;height:75px;
      }
    
     /*]]>*/
     </style>
    </head>
    
    <body>
    <div id="marquee" class="marquee" onmouseover="zxcCenterMarque.pause('marquee');"  onmouseout="zxcCenterMarque.rotate('marquee');">
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt5.jpg" alt="img" />
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt6.jpg" alt="img" style="top:75px;" />
    </div>
    
    <script type="text/javascript">
    /*<![CDATA[*/
    // Center Marque (19-June-2011)
    // by Vic Phillips - http://www.vicsjavascripts.org.uk/
    
    var zxcCenterMarque={
    
     init:function(id,ms){
      if (zxcCenterMarque['zxc'+id]){
       clearTimeout(zxcCenterMarque['zxc'+id].to);
      }
      var obj=document.getElementById(id),imgs=obj.getElementsByTagName('IMG');
      imgs[1].style.width=imgs[0].width+'px';
      imgs[0].style.left=-imgs[0].width+'px';
      imgs[1].style.left=obj.offsetWidth+'px';
      zxcCenterMarque['zxc'+id]={
       id:id,
       obj:obj,
       imgs:imgs,
       ms:ms,
       max:obj.offsetWidth/2+imgs[0].width/2
      }
     },
    
     rotate:function(id){
      var oop=this,o=zxcCenterMarque['zxc'+id];
      if (o){
       clearTimeout(o.to);
       var f=parseInt(o.imgs[1].style.left),t=o.obj.offsetWidth/2-o.imgs[1].width/2,ms=o.ms*Math.abs((t-f)/o.max);
       this.animate(o,'left',f,t,new Date(),ms,'s',Math.PI/(2*ms),'to');
      }
     },
    
     pause:function(id){
      var oop=this,o=zxcCenterMarque['zxc'+id];
      if (o){
       clearTimeout(o.to);
      }
     },
    
     animate:function(o,mde,f,t,srt,mS,sc,inc,to){
      var oop=this,ms=new Date().getTime()-srt,now=Math.floor(sc=='s'?(t-f)*Math.sin(inc*ms)+f:sc=='c'?t-(t-f)*Math.cos(inc*ms):(t-f)/mS*ms+f);
      if (isFinite(now)){
       o.imgs[0].style[mde]=o.obj.offsetWidth-o.imgs[0].width-now+'px';
       o.imgs[1].style[mde]=now+'px';
      }
      if (ms<mS){
       o[to]=setTimeout(function(){ oop.animate(o,mde,f,t,srt,mS,sc,inc,to); },10);
      }
      else {
       this.center(o.id);
      }
     },
    
     center:function(id){
      var o=zxcCenterMarque['zxc'+id],lft;
      if (o){
       lft=o.obj.offsetWidth/2-o.imgs[0].width/2;
       o.imgs[0].style.left=lft+'px';
       o.imgs[1].style.left=lft+'px';
      }
     }
    
    }
    
    zxcCenterMarque.init('marquee',10000);
    zxcCenterMarque.rotate('marquee');
    
    window.onresize=function(){
     zxcCenterMarque.rotate('marquee');
     // or
     //  zxcCenterMarque.centet('marquee');
    }
    /*]]>*/
    </script>
    </body>
    
    </html>
    Vic

    God loves you and will never love you less.

    http://www.vicsjavascripts.org/Home.htm
    If my post has been useful please donate to http://www.operationsmile.org.uk/

  5. #5
    Join Date
    Feb 2006
    Posts
    90
    vwphillips,

    You're a champion!!

    The only problem I have is my 2 images size are

    top.jpg 600x282
    bottom.jpg 600x312

    When I replaced these 2 images into your code, it overlapped at the centre.

    Thanks again!!

  6. #6
    Join Date
    Jun 2004
    Location
    Portsmouth UK
    Posts
    2,709
    Code:
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    
    <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
    
    <head>
      <title></title>
     <style type="text/css">
     /*<![CDATA[*/
      .marquee {
        position:absolute;left:0px;top:50px;width:100%;height:150px;border:solid red 1px;background-Color:#FFFFCC;
      }
    
      .marquee IMG {
        position:absolute;left:-100px;top:0px;
      }
    
     /*]]>*/
     </style>
    </head>
    
    <body>
    <div id="marquee" class="marquee" onmouseover="zxcCenterMarque.pause('marquee');"  onmouseout="zxcCenterMarque.rotate('marquee');">
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt5.jpg" alt="img" width="600" height="312"/>
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt6.jpg" alt="img" width="600" height="282" style="top:312px;" />
    </div>
    
    <script type="text/javascript">
    /*<![CDATA[*/
    // Center Marque (19-June-2011)
    // by Vic Phillips - http://www.vicsjavascripts.org.uk/
    
    var zxcCenterMarque={
    
     init:function(id,ms){
      if (zxcCenterMarque['zxc'+id]){
       clearTimeout(zxcCenterMarque['zxc'+id].to);
      }
      var obj=document.getElementById(id),imgs=obj.getElementsByTagName('IMG');
      imgs[1].style.width=imgs[0].width+'px';
      imgs[0].style.left=-imgs[0].width+'px';
      imgs[1].style.left=obj.offsetWidth+'px';
      zxcCenterMarque['zxc'+id]={
       id:id,
       obj:obj,
       imgs:imgs,
       ms:ms,
       max:obj.offsetWidth/2+imgs[0].width/2
      }
     },
    
     rotate:function(id){
      var oop=this,o=zxcCenterMarque['zxc'+id];
      if (o){
       clearTimeout(o.to);
       var f=parseInt(o.imgs[1].style.left),t=o.obj.offsetWidth/2-o.imgs[1].width/2,ms=o.ms*Math.abs((t-f)/o.max);
       this.animate(o,'left',f,t,new Date(),ms,'s',Math.PI/(2*ms),'to');
      }
     },
    
     pause:function(id){
      var oop=this,o=zxcCenterMarque['zxc'+id];
      if (o){
       clearTimeout(o.to);
      }
     },
    
     animate:function(o,mde,f,t,srt,mS,sc,inc,to){
      var oop=this,ms=new Date().getTime()-srt,now=Math.floor(sc=='s'?(t-f)*Math.sin(inc*ms)+f:sc=='c'?t-(t-f)*Math.cos(inc*ms):(t-f)/mS*ms+f);
      if (isFinite(now)){
       o.imgs[0].style[mde]=o.obj.offsetWidth-o.imgs[0].width-now+'px';
       o.imgs[1].style[mde]=now+'px';
      }
      if (ms<mS){
       o[to]=setTimeout(function(){ oop.animate(o,mde,f,t,srt,mS,sc,inc,to); },10);
      }
      else {
       this.center(o.id);
      }
     },
    
     center:function(id){
      var o=zxcCenterMarque['zxc'+id],lft;
      if (o){
       lft=o.obj.offsetWidth/2-o.imgs[0].width/2;
       o.imgs[0].style.left=lft+'px';
       o.imgs[1].style.left=lft+'px';
      }
     }
    
    }
    
    zxcCenterMarque.init('marquee',10000);
    zxcCenterMarque.rotate('marquee');
    
    window.onresize=function(){
     zxcCenterMarque.rotate('marquee');
     // or
     //  zxcCenterMarque.centet('marquee');
    }
    /*]]>*/
    </script>
    </body>
    
    </html>
    Vic

    God loves you and will never love you less.

    http://www.vicsjavascripts.org/Home.htm
    If my post has been useful please donate to http://www.operationsmile.org.uk/

  7. #7
    Join Date
    Feb 2006
    Posts
    90

    Smile

    vwphillips,

    Excellent work!!!

    Thanks

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