4 float force_fromtag_power;
5 float force_fromtag_normpower;
6 vector force_fromtag_origin;
8 float vehicle_altitude(entity this, float amax);
10 vector vehicles_force_fromtag_hover(entity this, string tag_name, float spring_length, float max_power);
12 vector vehicles_force_fromtag_maglev(entity this, string tag_name, float spring_length, float max_power);