if (init == 0)
{
    if (caralert)
        shottimer = 20;
    lborder += ((fleetsize - 1) * 20);
    rborder -= ((fleetsize - 1) * 20);
    if (fleetspeed == 1)
    {
        moveinterval = 1;
        timer = 1;
        movedirection = sign(movedirection) * 6;
    }
    shottimer -= 10;
    if (!caralert)
        moveinterval = sqr(fleetspeed) * 2;
    else
        moveinterval = 4;
    init = 1;
    boys[0].image_alpha = 1;
    boys[0].damage = damage;
    boys[0].target = target;
    boys[0].grazepoints = grazepoints;
    if (fleetsize == 2)
    {
        boys[0].x += 16;
        boys[1] = scr_childbullet(x - 16, y, obj_viro_invader);
        boys[1].target = targetB;
        boys[1].grazepoints = grazepoints;
    }
    else if (fleetsize == 3)
    {
        boys[0].x += 32;
        boys[1] = scr_childbullet(x, y, obj_viro_invader);
        boys[2] = scr_childbullet(x - 32, y, obj_viro_invader);
        boys[1].target = targetB;
        boys[1].grazepoints = grazepoints;
        boys[2].grazepoints = grazepoints;
    }
    firingspeed = 1;
    if (fleetsize > 1)
        firingspeed = (fleetsize == 3) ? 2.3 : 1.6;
    for (i = 0; i < fleetsize; i++)
    {
        boys[i].caralert = caralert;
        boys[i].firingspeed = firingspeed;
        boys[i].bigshot = bigshot;
    }
    var loopdir = choose(-1, 1);
    shotqueue[0] = irandom(fleetsize - 1);
    for (i = 1; i < fleetsize; i++)
    {
        shotqueue[i] = shotqueue[i + loopdir];
        if (shotqueue[i] < 0)
            shotqueue[i] = fleetsize + shotqueue[i];
        else if (shotqueue[i] >= fleetsize)
            shotqueue[i] = shotqueue[i] - fleetsize;
    }
}
timer++;
if (timer >= moveinterval)
{
    nextx = x + movedirection;
    if ((nextx > rborder && movedirection > 0) || (nextx < lborder && movedirection < 0))
    {
        y += 20;
        movedirection *= -1;
        if (shottimer < 10 && !caralert)
            shottimer = 10;
    }
    else
    {
        x = nextx;
    }
    if (fleetspeed > 1)
        timer = 0;
}
var force_shot = false;
var force_target = 0;
var temp_move = movedirection;
if (shottimer < ((fleetsize == 1) ? 12 : 16) && bigshot)
{
    for (mv = 0; mv < fleetsize; mv++)
    {
        if (i_ex(boys[mv]))
        {
            if (abs((boys[mv].x + ((temp_move / moveinterval) * 16)) - obj_heart.x) < 4)
            {
                force_shot = true;
                force_target = mv;
                break;
            }
        }
        temp_move *= -1;
    }
}
if ((shottimer <= 0 && y < (obj_growtangle.y + 50)) || force_shot)
{
    var shootingboy = irandom(fleetsize - 1);
    if (force_shot)
        shootingboy = force_target;
    if (i_ex(boys[shootingboy]))
    {
        boys[shootingboy].shotready = 1;
        boys[shootingboy].target = choose(target, targetB);
        ratio = 1;
        if (fleetsize > 1)
            ratio = (fleetsize == 2) ? 1.6 : 2.3;
        if (fleetsize == 1 || caralert)
            shottimer = irandom(20) + 20;
        else
            shottimer = irandom(30) + 40;
    }
}
else
{
    shottimer -= fleetsize;
}
reverse = fleetsize > 1 && movedirection < 0;
for (i = 0; i < fleetsize; i++)
{
    if (fleetsize == 1 && timer >= moveinterval)
    {
        if (!i_ex(boys[i]))
            continue;
        boys[i].x = x;
        boys[i].image_index = 1 - boys[i].image_index;
    }
    else if ((timer + ((i + 1) * 2)) == moveinterval)
    {
        target = reverse ? (fleetsize - i - 1) : i;
        if (!i_ex(boys[target]))
            continue;
        boys[target].x += movedirection;
        boys[i].image_index = 1 - boys[i].image_index;
    }
    if (!i_ex(boys[i]))
        continue;
    boys[i].y = y;
}