stk-code_catmod/data/gfx/explosion.xml

<?xml version="1.0"?>
<particles emitter="sphere" radius="0.3">

    <spreading angle="180"         />
    
    <velocity  x="0.000"
               y="0.0035"
               z="0.000"           />
    
    <material  file="explode.png"  />
    
    <!-- Amount of particles emitted per second -->
    <rate      min="400"
               max="600" />
    
    <!-- Minimal and maximal lifetime of a particle, in milliseconds. -->
    <lifetime  min="1000"
               max="1200"         />
    
    <!-- Size of the particles -->
    <size      min="0.60"
               max="0.85"
               x-increase-factor="0.6"
               y-increase-factor="0.6"
               />
    
    <color     min="255 255 255"
               max="255 255 255"  />

</particles>