if (live_call())
    return global.live_result;
display_set_gui_size(-1, -1);
application_surface_draw_enable(false);
var app_surf_height = surface_get_height(application_surface);
var app_surf_width = surface_get_width(application_surface);
var screen_parts = 8;
var part_height = app_surf_height / screen_parts;
var part_width = app_surf_width / screen_parts;
for (var i = 0; i < screen_parts; i++)
{
    for (var j = 0; j < screen_parts; j++)
        draw_surface_part_ext(application_surface, j * part_width, i * part_height, part_width, part_height, j * part_width, i * part_height, random_range(0.5, 1.5), random_range(0.5, 1.5), 16777215, 1);
}
display_set_gui_size(320, 240);