-- darkness

PartFXParm ("num_parts", 1);
--PartFXParm ("blend_mode", "ADDITIVE");
PartFXParm ("bitmap", "parts/sbsmoke.png");

-- spawn area
PartFXParm ("area_box", 2, 1); -- inner and outer radius (this one is a ring)
PartFXParm ("age_to_die", 6.0, 8); -- life time between 1 and 1.5 secs
PartFXParm ("age", -0.3, 0.0); -- life time between 1 and 1.5 secs

-- single particle angle spread
PartFXParm ("rot_angle", 0);
PartFXParm ("rot_angle_spread", 30);
PartFXParm ("rot_angle_rps", -160, 160);
PartFXParm ("speed", 5, 7);

PartFXParm ("move_angle", 90-20+180+50);
PartFXParm ("move_angle_spread", 20);


-- define the alpha graph. 
-- first parm is time (between 0..1), 
-- the second is the alpha value at that time
PartFXParm ("alpha_graph", 0, 0);
PartFXParm ("alpha_graph", 0.2, 0.5);
PartFXParm ("alpha_graph", 0.8, 0.5);
PartFXParm ("alpha_graph", 1, 0);

PartFXParm ("scale_graph", 0, 0.5);
PartFXParm ("scale_graph", 1, 1.7);
