y -= 1
if (x_spd < 6)
    x_spd += 0.01
if (x_dir == 1)
{
    x += x_spd
    if (round(x) >= x_max)
    {
        x_dir *= -1
        x_spd = 0.1
    }
}
else if (x_dir == -1)
{
    x -= x_spd
    if (round(x) <= x_min)
    {
        x_dir *= -1
        x_spd = 0.1
    }
}
if (y < (ystart - 20))
{
    draw_alpha -= 0.025
    if (draw_alpha <= 0)
        instance_destroy()
}