particle_system Dust02 { material Particles/Dust02 particle_width 100.0 particle_height 100.0 quota 100 cull_each false sorted true local_space false iteration_interval 0.0 nonvisible_update_timeout 0.0 billboard_type point billboard_origin center billboard_rotation_type vertex point_rendering false accurate_facing false emitter Box { position 0.0 0.0 0.0 direction 0.0 0.0 1.0 angle 55.89 width 500 height 100 depth 500 emission_rate 30 velocity_min 0 velocity_max 0.5 time_to_live_min 10 time_to_live_max 40 duration_min 0 duration_max 0 repeat_delay_min 0 repeat_delay_max 0 colour_range_start 1 1 1 1 colour_range_end 1 1 1 1 } affector LinearForce { force_vector 0.4 1.0 0.1 force_application add } affector Rotator { rotation_speed_range_start 0 rotation_speed_range_end 10 rotation_range_start 1 rotation_range_end 10 } affector Scaler { rate 30 } affector ColourFader { red 1 green 1 blue 1 alpha -0.05 } affector ColourInterpolator { time0 0 colour0 1 1 1 1 time1 0.2 colour1 1 1 1 1 time2 0.4 colour2 1 1 1 1 time3 0.6 colour3 1 1 1 1 time4 0.8 colour4 1 1 1 1 time5 1 colour5 1 1 1 1 } }