stk-code/data/gfx/sparks.xml

<?xml version="1.0"?>
<particles emitter="box" box_x="0.5" box_y="0.5" box_z="0.2">

    <spreading angle="180"        />
    
    <velocity  x="0.000"
               y="0.004"
               z="0.000"         />
    
    <material  file="flaring-star.png"  />
    
    <!-- Amount of particles emitted per second -->
    <rate      min="200"
               max="200"
               decay_rate="200"  />
    
    <!-- Minimal and maximal lifetime of a particle, in milliseconds. -->
    <lifetime  min="500"
               max="600"         />
    
    <!-- Size of the particles -->
    <size      min="0.1"
               max="0.2"         />

    <color     min="255 255 255"
               max="255 255 255" />

</particles>