my $g = Games::Grid->new(
  border => 4,
  width => sub { $terminal::W/4 },
  height => sub { $terminal::H },
  fill => '=',
);

{
  $terminal::W = $self->{terminal}->{_co};
  $terminal::H = $self->{terminal}->{_li};

  $self->terminal->{WIDTH}  = $config{width}->();
  $self->terminal->{HEIGHT} = $config{height}->();

}