<?xml version="1.0"?>
<particles emitter="box" box_x="0.5" box_y="0.5" box_z="0.5">

    <spreading angle="45"      />
    
    <velocity  x="0.000"
               y="0.005"
               z="0.000"         />
    
    <material  file="gfx_bubble_a.png"  />
    
    <!-- Amount of particles emitted per second -->
    <rate      min="3"
               max="6"         />
    
    <!-- Minimal and maximal lifetime of a particle, in milliseconds. -->
    <lifetime  min="3000"
               max="6000"         />
    
    <!-- Size of the particles -->
   <size min="1.1"
         max="1.5"
         x-increase-factor="1.6"
         y-increase-factor="1.6" />    
    
    <color     min="0 0 0"
               max="255 255 255" />

</particles>
