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Programación Web => Zona Webmaster => Mensaje iniciado por: ANTRAX en Febrero 24, 2010, 11:12:26 AM

Título: [JavaScript][MEDIO] Script ''palabras que caen''
Publicado por: ANTRAX en Febrero 24, 2010, 11:12:26 AM
Este código te permite simulando una lluvia de palabras crear un párrafo, ideal para llamar la atención con un mensaje

Código (javascript) [Seleccionar]
<html>

<head>
<title>Palabras que caen hasta completar un párrafo</title>
<script LANGUAGE="JavaScript" FPTYPE="dynamicanimation8">

  dynamicanimAttr = "dynamicanimation8"
  animateElements = new Array()
  currentElement = 0
  speed = 0
  stepsZoom = 8
  stepsWord = 8
  stepsFly = 12
  stepsSpiral = 16
  steps = stepsZoom
  step = 0
  outString = ""
  function dynAnimation8()
  {
    var ms = navigator.appVersion.indexOf("MSIE")
    ie4 = (ms>0) && (parseInt(navigator.appVersion.substring(ms+5, ms+6)) >= 4)
    if(!ie4)
    {
      if((navigator.appName == "Netscape") &&
         (parseInt(navigator.appVersion.substring(0, 1)) >= 4))
      {
        for (index=document.layers.length-1; index >= 0; index--)
        {
            layer=document.layers[index]
            if (layer.left==10000)
                layer.left=0
        }
      }
      return
    }
    for (index=document.all.length-1; index >= document.body.sourceIndex; index--)
    {
      el = document.all[index]
      animation = el.getAttribute(dynamicanimAttr, false)
      if(null != animation)
      {
        if(animation == "dropWord" || animation == "flyTopRightWord" || animation == "flyBottomRightWord")
        {
          ih = el.innerHTML
          outString = ""
          i1 = 0
          iend = ih.length
          while(true)
          {
            i2 = startWord(ih, i1)
            if(i2 == -1)
              i2 = iend
            outWord(ih, i1, i2, false, "")
            if(i2 == iend)
              break
            i1 = i2
            i2 = endWord(ih, i1)
            if(i2 == -1)
              i2 = iend
            outWord(ih, i1, i2, true, animation)
            if(i2 == iend)
              break
            i1 = i2
          }
          document.all[index].innerHTML = outString
          document.all[index].style.posLeft = 0
          document.all[index].setAttribute(dynamicanimAttr, null)
        }
        if(animation == "zoomIn" || animation == "zoomOut")
        {
          ih = el.innerHTML
          outString = "<SPAN " + dynamicanimAttr + "=\"" + animation + "\" style=\"position: relative; left: 10000;\">"
          outString += ih
          outString += "</SPAN>"
          document.all[index].innerHTML = outString
          document.all[index].style.posLeft = 0
          document.all[index].setAttribute(dynamicanimAttr, null)
        }
      }
    }
    i = 0
    for (index=document.body.sourceIndex; index < document.all.length; index++)
    {
      el = document.all[index]
      animation = el.getAttribute(dynamicanimAttr, false)
      if (null != animation)
      {
        if(animation == "flyLeft")
        {
          el.style.posLeft = 10000-offsetLeft(el)-el.offsetWidth
          el.style.posTop = 0
        }
        else if(animation == "flyRight")
        {
          el.style.posLeft = 10000-offsetLeft(el)+document.body.offsetWidth
          el.style.posTop = 0
        }
        else if(animation == "flyTop" || animation == "dropWord")
        {
          el.style.posLeft = 0
          el.style.posTop = document.body.scrollTop-offsetTop(el)-el.offsetHeight
        }
        else if(animation == "flyBottom")
        {
          el.style.posLeft = 0
          el.style.posTop = document.body.scrollTop-offsetTop(el)+document.body.offsetHeight
        }
        else if(animation == "flyTopLeft")
        {
          el.style.posLeft = 10000-offsetLeft(el)-el.offsetWidth
          el.style.posTop = document.body.scrollTop-offsetTop(el)-el.offsetHeight
        }
        else if(animation == "flyTopRight" || animation == "flyTopRightWord")
        {
          el.style.posLeft = 10000-offsetLeft(el)+document.body.offsetWidth
          el.style.posTop = document.body.scrollTop-offsetTop(el)-el.offsetHeight
        }
        else if(animation == "flyBottomLeft")
        {
          el.style.posLeft = 10000-offsetLeft(el)-el.offsetWidth
          el.style.posTop = document.body.scrollTop-offsetTop(el)+document.body.offsetHeight
        }
        else if(animation == "flyBottomRight" || animation == "flyBottomRightWord")
        {
          el.style.posLeft = 10000-offsetLeft(el)+document.body.offsetWidth
          el.style.posTop = document.body.scrollTop-offsetTop(el)+document.body.offsetHeight
        }
        else if(animation == "spiral")
        {
          el.style.posLeft = 10000-offsetLeft(el)-el.offsetWidth
          el.style.posTop = document.body.scrollTop-offsetTop(el)-el.offsetHeight
        }
        else if(animation == "zoomIn")
        {
          el.style.posLeft = 10000
          el.style.posTop = 0
        }
        else if(animation == "zoomOut")
        {
          el.style.posLeft = 10000
          el.style.posTop = 0
        }
        else
        {
          el.style.posLeft = 10000-offsetLeft(el)-el.offsetWidth
          el.style.posTop = 0
        }
        el.initLeft = el.style.posLeft
        el.initTop = el.style.posTop
        animateElements[i++] = el
      }
    }
    window.setTimeout("animate();", speed)
  }
  function offsetLeft(el)
  {
    x = el.offsetLeft
    for (e = el.offsetParent; e; e = e.offsetParent)
      x += e.offsetLeft;
    return x
  }
  function offsetTop(el)
  {
    y = el.offsetTop
    for (e = el.offsetParent; e; e = e.offsetParent)
      y += e.offsetTop;
    return y
  }
  function startWord(ih, i)
  {
    for(tag = false; i < ih.length; i++)
    {
      c = ih.charAt(i)
      if(c == '<')
        tag = true
      if(!tag)
        return i
      if(c == '>')
        tag = false
    }
    return -1
  }
  function endWord(ih, i)
  {
    nonSpace = false
    space = false
    while(i < ih.length)
    {
      c = ih.charAt(i)
      if(c != ' ')
        nonSpace = true
      if(nonSpace && c == ' ')
        space = true
      if(c == '<')
        return i
      if(space && c != ' ')
        return i
      i++
    }
    return -1
  }
  function outWord(ih, i1, i2, dyn, anim)
  {
    if(dyn)
      outString += "<SPAN " + dynamicanimAttr + "=\"" + anim + "\" style=\"position: relative; left: 10000;\">"
    outString += ih.substring(i1, i2)
    if(dyn)
      outString += "</SPAN>"
  }
  function animate()
  {
    el = animateElements[currentElement]
    animation = el.getAttribute(dynamicanimAttr, false)
    step++
    if(animation == "spiral")
    {
      steps = stepsSpiral
      v = step/steps
      rf = 1.0 - v
      t = v * 2.0*Math.PI
      rx = Math.max(Math.abs(el.initLeft), 200)
      ry = Math.max(Math.abs(el.initTop),  200)
      el.style.posLeft = Math.ceil(-rf*Math.cos(t)*rx)
      el.style.posTop  = Math.ceil(-rf*Math.sin(t)*ry)
    }
    else if(animation == "zoomIn")
    {
      steps = stepsZoom
      el.style.fontSize = Math.ceil(50+50*step/steps) + "%"
      el.style.posLeft = 0
    }
    else if(animation == "zoomOut")
    {
      steps = stepsZoom
      el.style.fontSize = Math.ceil(100+200*(steps-step)/steps) + "%"
      el.style.posLeft = 0
    }
    else
    {
      steps = stepsFly
      if(animation == "dropWord" || animation == "flyTopRightWord" || animation == "flyBottomRightWord")
        steps = stepsWord
      dl = el.initLeft / steps
      dt = el.initTop  / steps
      el.style.posLeft = el.style.posLeft - dl
      el.style.posTop = el.style.posTop - dt
    }
    if (step >= steps)
    {
      el.style.posLeft = 0
      el.style.posTop = 0
      currentElement++
      step = 0
    }
    if(currentElement < animateElements.length)
      window.setTimeout("animate();", speed)
  }
</script>
</head>

<body TEXT="#000000" LINK="#000000" ALINK="#FFD700" VLINK="#FFD700"
onload="dynAnimation8()">

<p dynamicanimation8="dropWord" style="position: relative; left: 10000"><font color="#FF0000"><big><big>Observa
como caen las palabras hasta completar un párrafo. Es un efecto muy llamativo
para destacar cualquier tipo de mensajes en tu página web. Coloca este script
en tu página web.</big></big></font></p>

<p align="center"><a href="http://www.uterra.com">www.uterra.com</a></p>
</body>

</html>