<particles> 
  <particle name            = "Small Tornado"
            texture         = "Particles/ParticleRoket.png"
            type            = "Tornado"
            num             = "1500"
            radius_small    = "5." 
            radius_big      = "50."
            height          = "160."  
            fade_time_msec  = "1500."
            speed_angular   = "4.5"
            speed           = "25."
            size            = "20."
            direction       = "0. 1. 0."
            />
</particles>