if (d == 0)
    scr_depth();
if (fun == 0)
{
    myinteract = 0;
    if (speed == 0)
    {
        image_index = 0;
        image_speed = 0;
    }
    if (speed > 0)
    {
        image_speed = 0.2;
        if (image_index == 1 || image_index == 3)
            snd_play(snd_undynestep);
    }
}
if (fun == 3)
{
    if (image_index == 1 || image_index == 3)
        snd_play(snd_undynestep);
}
if (global.flag[20] == 5)
    sprite_index = spr_undynea_starku;
if (global.flag[20] == 6)
    sprite_index = spr_undynea_starkl;