/*
 * specify here high-level properties of a flash.
 */

flash_occurs when (Sound.Goom_Detection > 50%) and (Sound.Sound_Speed > 14%);

max_flash = 200%;
slow_down_coef = 96%;

/*
 * Here you have the fx's state machin behaviour.
 */

(locked) ? locked--;

(not locked) and (flash_occurs) ?
{
    cur_power = Sound_Speed.Goom_Detection;
    start flashing_up;
}

(not locked) and (flashing_up) ?
{
    factor += cur_power * 2 * (speedvar / 4 + 0.95);
    if (factor > max_flash) factor = max_flash;

    (not flash_occurs) ?
    {
        locked = 200;
        stop flashing_up;
    }
}

factor *= slow_down_coef;