<?xml version="1.0"?> <particles emitter="box" box_x="0.05" box_y="0.05" box_z="0.10"> <spreading angle="2" /> <velocity x="0.0" y="0.005" z="-0.01" /> <material file="smoke.png" /> <!-- Amount of particles emitted per second --> <rate min="200" max="300" /> <!-- Minimal and maximal lifetime of a particle, in milliseconds. --> <lifetime min="10" max="40" /> <!-- Size of the particles --> <size min="0.05" max="0.1" x-increase-factor="5" y-increase-factor="5" /> <color min="255 255 255" max="0 0 0" /> </particles>