if (instance_exists(obj_undyneb_body))
{
    xx = obj_undyneb_body.x - 20;
    yy = obj_undyneb_body.y - 20;
}
if (drawngr == 1)
    sprite_delete(gr);
gr = sprite_create_from_screen_x(xx, yy, 240, obj_uborder.y - yy, 0, 0, 0, 0);
sprite_index = gr;
if (global.debug == 1)
{
    if (keyboard_check(vk_space))
    {
        if (keyboard_check_pressed(vk_right))
            qq += 0.2;
        if (keyboard_check_pressed(vk_left))
            qq -= 0.2;
        if (keyboard_check_pressed(vk_down))
            ww -= 1;
        if (keyboard_check_pressed(vk_up))
            ww += 1;
    }
}
scr_waver_height(qq, ww);
drawngr = 1;
idealww2 = idealww + random(6);
if (ww > idealww2)
    ww -= 1;
if (ww < idealww2)
    ww += 1;
if (idealww == 0.1 && ww < 2)
    instance_destroy();