if (!nubert_done && !nubert_reverse)
{
    var _speed = nubert_speed;
    if (nubert_angle != nubert_angle_goal)
        _speed *= 0.5;
    ns[nr] = [nubert_x, nubert_y, nubert_angle, _speed];
    aaa[nr] = [nubert_x + lengthdir_x(16, nubert_angle - 90), nubert_y + lengthdir_y(16, nubert_angle - 90), nubert_x + lengthdir_x(16, nubert_angle + 90), nubert_y + lengthdir_y(16, nubert_angle + 90)];
    bbb[nr] = [nubert_x + lengthdir_x(18, nubert_angle - 90), nubert_y + lengthdir_y(18, nubert_angle - 90), nubert_x + lengthdir_x(18, nubert_angle + 90), nubert_y + lengthdir_y(18, nubert_angle + 90)];
    if (nubert_angle_goal < 90)
    {
        if ((ns[nr][0] + lengthdir_x(ns[nr][3], ns[nr][2])) > (scr_get_box(4) + 75))
            nubert_angle_goal = (90 - ns[nr][2]) + 90;
    }
    if (nubert_angle_goal >= 90)
    {
        if ((ns[nr][0] + lengthdir_x(ns[nr][3], ns[nr][2])) < (scr_get_box(4) - 75))
            nubert_angle_goal = 90 - (ns[nr][2] - 90);
    }
    nubert_angle = scr_approach(nubert_angle, nubert_angle_goal, 30);
    if (nubert_angle > ns[nr][2])
    {
        nubert_x = ns[nr][0] + lengthdir_x(ns[nr][3], ns[nr][2]) + lengthdir_x(16, ns[nr][2] + 90) + lengthdir_x(16, nubert_angle - 90);
        nubert_y = ns[nr][1] + lengthdir_y(ns[nr][3], ns[nr][2]) + lengthdir_y(16, ns[nr][2] + 90) + lengthdir_y(16, nubert_angle - 90);
    }
    else if (nubert_angle < ns[nr][2])
    {
        nubert_x = ns[nr][0] + lengthdir_x(ns[nr][3], ns[nr][2]) + lengthdir_x(16, ns[nr][2] - 90) + lengthdir_x(16, nubert_angle + 90);
        nubert_y = ns[nr][1] + lengthdir_y(ns[nr][3], ns[nr][2]) + lengthdir_y(16, ns[nr][2] - 90) + lengthdir_y(16, nubert_angle + 90);
    }
    nubert_x = ns[nr][0] + lengthdir_x(ns[nr][3], ns[nr][2]);
    nubert_y = ns[nr][1] + lengthdir_y(ns[nr][3], ns[nr][2]);
    if (ns[nr][1] < (scr_get_box(5) - 155) || nubert_speed < 1)
    {
        nubert_done = true;
        alarm[0] = 4;
        exit;
    }
    nr++;
}
if (nubert_reverse)
{
    nr--;
    if (nr == 0)
        instance_destroy();
}