stk-code/data/gfx/droplet.xml

<?xml version="1.0"?>
<particles emitter="sphere" radius="2">

    <spreading angle="12"      />
    
    <velocity  x="0.000"
               y="0.005"
               z="0.000"         />
    
    <material  file="particle_water.png"  />
    
    <!-- Amount of particles emitted per second -->
    <rate      min="5"
               max="10"         />
    
    <!-- Minimal and maximal lifetime of a particle, in milliseconds. -->
    <lifetime  min="1000"
               max="2000"         />
    
    <!-- Size of the particles -->
    <size      min="2.0"
               max="3.2"       
               x-increase-factor="2.6"
               y-increase-factor="2.6" />
    
    <color     min="255 255 255"
               max="255 255 255" />

</particles>