if (active == 1)
{
    siner += 1;
    if (r < maxr)
        r += 10;
    for (i = 0; i < num; i += 1)
    {
        if (instance_exists(child[i]))
        {
            child[i].x = x + lengthdir_x(r, ((i / num) * 360) + (siner * 2));
            child[i].y = y + lengthdir_y(r, ((i / num) * 360) + (siner * 2));
        }
    }
}
if (x > 800)
    instance_destroy();
if (x < -200)
    instance_destroy();
if (y > 700)
    instance_destroy();
if (y < -200)
    instance_destroy();
if (speed > 5)
    speed -= 1;