source: GTP/branches/IllumWPdeliver2008dec/IlluminationWP/demos/OgreGames/CarGame/Media/particle/GameTools.particle @ 3255

GameTools/DemoParticle1
{
        renderer sprite
        material        GameTools/SpriteShader
    particle_width  200
    particle_height 200
    cull_each       false
    quota           30
    billboard_type  point
    
    // Area emitter
    emitter Box
    {
       // colour 0.7 0.8 0.3 0
        colour_range_start 1 1 1 0
                colour_range_end 0.8 1 0.5 0

        angle           30
        emission_rate   6
        time_to_live    3
        direction       0 1 0
        velocity        0
        width           120
        height          120
        depth           30
    }

    // Make em float upwards
    affector LinearForce
    {
        force_vector      0 40 0
        force_application add
    }

    affector ColourFader2
    {
       alpha1 +0.5
       alpha2 -0.5
       state_change 0.5
    }
}