reflex_sheep_game.pl

#!/usr/bin/perl

# Author: Daniel "Trizen" Șuteu
# License: GPLv3
# Date: 02 October 2015
# Website: https://github.com/trizen

# A simple program which plays the Reflex Sheep game by itself.
# See: https://youtu.be/FrYFE4m8jc0

use strict;
use warnings;

use GD;
use Time::HiRes qw(sleep);

my $count = 0;

ROOT: while (1) {

    my $gd = GD::Image->new(scalar `maim -x 640 -y 150 -w 1 -h 850 --format=jpg /dev/stdout`);

    #my $gd = GD::Image->new(scalar `maim -x 555 -y 100 -w 10 -h 650 --format=jpg /dev/stdout`);      # faster, but buggy

    my ($width, $height) = $gd->getBounds;

  OUTER: foreach my $y (0 .. $height - 1) {
        my $pixel = $gd->getPixel(0, $y);
        my ($r, $g, $b) = $gd->rgb($pixel);
        my $avg = ($r + $g + $b) / 3;
        if ($avg < 50) {
            sleep(0.085);    # let the ship run a little bit more
            system("xdotool", "click", "1");
            sleep(1);        # sleep a little bit after the click
            ++$count == 5 ? last ROOT: last OUTER;
        }
    }
}