tracebox(self.origin, self.mins, self.maxs, self.origin - ('0 0 1' * autocvar_g_vehicle_racer_springlength), MOVE_NORMAL, self);
vector df = self.velocity * -autocvar_g_vehicle_racer_friction;
tracebox(self.origin, self.mins, self.maxs, self.origin - ('0 0 1' * autocvar_g_vehicle_racer_springlength), MOVE_NORMAL, self);
vector df = self.velocity * -autocvar_g_vehicle_racer_friction;