Undertale Yellow script viewer

if (instance_exists(obj_battle_enemy_attack_trihecta_circle_stack_lead))

{

    if (obj_battle_enemy_attack_trihecta_circle_stack_lead.started == true)

    {

        var j = 2;

        i = ds_list_size(x_list) - 1;

        while (i >= 0)

        {

            var x0 = ds_list_find_value(x_list, i);

            var y0 = ds_list_find_value(y_list, i);

            var image_alpha_trail = 1 / j;

            draw_sprite_ext(trail_sprite, 0, x0, y0, 1, 1, 0, c_white, image_alpha_trail);

            j += 1;

            i -= 1;

        }

    }

}

draw_sprite_ext(sprite_index, image_index, x, y, 1, 1, 0, c_white, image_alpha);