unofficialshopify-snowflakes.liquid

{% if settings.unofficialshopify_enable_effect %}
<script>

  
  var snowmax={{settings.unofficialshopify_number_of_snowflakes}};
  var snowcolor=new Array("#aaaacc","#ddddff","#ccccdd","#f3f3f3","#f0ffff");
  var snowtype=new Array("Times","Arial","Times","Verdana");
  var snowletter="*";
  var sinkspeed={{settings.unofficialshopify_speed_of_sinking}};
  var snowmaxsize={{settings.unofficialshopify_maximum_size_snowflakes}};
  var snowminsize={{settings.unofficialshopify_minimal_size_snowflakes}};
  var snowingzone=1;
  var snow=new Array()
  var marginbottom
  var marginright
  var timer
  var i_snow=0
  var x_mv=new Array();
  var crds=new Array();
  var lftrght=new Array();
  var browserinfos=navigator.userAgent
  var ie5=document.all&&document.getElementById&&!browserinfos.match(/Opera/)
  var ns6=document.getElementById&&!document.all
  var opera=browserinfos.match(/Opera/)
  var browserok=ie5||ns6||opera
  function randommaker(range) {
    rand=Math.floor(range*Math.random())
    return rand
  }
  function initsnow() {
    if (ie5 || opera) {
      marginbottom = document.body.scrollHeight
      marginright = document.body.clientWidth-15
    }
    else if (ns6) {
      marginbottom = document.body.scrollHeight
      marginright = window.innerWidth-15
    }
    var snowsizerange=snowmaxsize-snowminsize
    for (i=0;i<=snowmax;i++) {
      crds[i] = 0;
      lftrght[i] = Math.random()*15;
      x_mv[i] = 0.03 + Math.random()/10;
      snow[i]=document.getElementById("s"+i)
      snow[i].style.fontFamily=snowtype[randommaker(snowtype.length)]
      snow[i].size=randommaker(snowsizerange)+snowminsize
      snow[i].style.fontSize=snow[i].size+'px';
      snow[i].style.color=snowcolor[randommaker(snowcolor.length)]
      snow[i].style.zIndex=1000
      snow[i].sink=sinkspeed*snow[i].size/5
      if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)}
      if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)}
      if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4}
      if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2}
      snow[i].posy=randommaker(2*marginbottom-marginbottom-2*snow[i].size)
      snow[i].style.left=snow[i].posx+'px';
      snow[i].style.top=snow[i].posy+'px';
    }
    movesnow()
  }
  function movesnow() {
    for (i=0;i<=snowmax;i++) {
      crds[i] += x_mv[i];
      snow[i].posy+=snow[i].sink
      snow[i].style.left=snow[i].posx+lftrght[i]*Math.sin(crds[i])+'px';
      snow[i].style.top=snow[i].posy+'px';
      if (snow[i].posy>=marginbottom-2*snow[i].size || parseInt(snow[i].style.left)>(marginright-3*lftrght[i])){
        if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)}
        if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)}
        if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4}
        if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2}
        snow[i].posy=0
      }
    }
    var timer=setTimeout("movesnow()",50)
    }
  for (i=0;i<=snowmax;i++) {
    document.write("<span id='s"+i+"' style='position:absolute;top:-"+snowmaxsize+"'>"+snowletter+"</span>")
  }
  if (browserok) {
    window.onload=initsnow
  }
</script>
{% endif %}