particle_system Orxonox/smoke4 { quota 10 material PE/smoke3 particle_width 7 particle_height 7 cull_each false renderer billboard sorted false local_space false iteration_interval 0 nonvisible_update_timeout 0 billboard_type point billboard_origin center billboard_rotation_type vertex common_up_vector 0 1 0 point_rendering false accurate_facing false emitter Point { angle 180 colour 0 0 0 0 colour_range_start 0 0 0 0 colour_range_end 0 0 0 0 direction 0 1 0 emission_rate 15 position 0 0 0 velocity 20 velocity_min 20 velocity_max 20 time_to_live 1.5 time_to_live_min 1.5 time_to_live_max 1.5 duration 0.3 duration_min 0.3 duration_max 0.3 repeat_delay 1000000 repeat_delay_min 1000000 repeat_delay_max 1000000 } affector Scaler { rate 15 } affector Rotator { rotation_speed_range_start -50 rotation_speed_range_end 50 rotation_range_start 0 rotation_range_end 0 } affector ColourInterpolator { colour0 0 0 0 0 time0 0 colour1 0.5 0.5 0.5 0.4 time1 0.2 colour2 0.5 0.5 0.5 0.8 time2 0.5 colour3 0 0 0 0 time3 1 colour4 0.5 0.5 0.5 0 time4 1 colour5 0.5 0.5 0.5 0 time5 1 } }