<?xml version="1.0"?> <particles emitter="box" box_x="0.35" box_y="0.2" box_z="0.2"> <spreading angle="30" /> <velocity x="0.0" y="0.001" z="-0.003" /> <material file="smoke_nitro.png" /> <!-- Amount of particles emitted per second --> <rate min="200" max="300" /> <!-- Minimal and maximal lifetime of a particle, in milliseconds. --> <lifetime min="400" max="600" /> <!-- Size of the particles --> <size min="0.20" max="0.40" /> <color min="255 255 255" max="255 255 255" /> <!-- How much time in milliseconds before the particle is fully faded out --> <fadeout time="100" /> </particles>