source: GTP/branches/IllumWPdeliver2008dec/IlluminationWP/demos/OgreDemos/media/MoriaScene/Troll/FireBall.particle @ 3255

Moria/FireBall
{
        renderer sprite
        material        Fire
    particle_width  1.8
    particle_height 1.8
    cull_each       false
    quota           1000
    //quota           1
    billboard_type  point
    //local_space       true
    
    emitter Ellipsoid
    {
        width 0.5
        height 0.5
        depth 0.5

        colour_range_start 1 1 1 1.0
        colour_range_end 0.8 1 0.5 1

        emission_rate   70
        time_to_live_min        0.2
        time_to_live_max        0.5
           //time_to_live 0
        direction       0 1 0
        angle          30
        velocity_min    1.5
        velocity_max    4              
    } 
        
    affector ColourFader2
    {
       alpha1 +6.0
       alpha2 -6.0
       state_change 0.15
    } 

}

Moria/Explosion
{
        renderer sprite
        material        Fire
    particle_width  0.2
    particle_height 0.2
    cull_each       false
    quota           1000
    billboard_type  point
    //local_space       true    
    
    emitter Point
    {
        colour_range_start 1 1 1 0.2
                colour_range_end 0.8 1 0.5 0

        emission_rate   0
        time_to_live    0.8
        direction       0 1 0
        angle           80
        velocity        3.0       
    } 

    
    affector ColourFader2
    {
       alpha1 +6.0
       alpha2 -6.0
       state_change 0.4
    }    
}