#!/usr/bin/perl -w
# Copyright 2011, 2012 Kevin Ryde
# This file is part of Math-PlanePath.
#
# Math-PlanePath is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3, or (at your option) any later
# version.
#
# Math-PlanePath is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with Math-PlanePath. If not, see .
use 5.004;
use strict;
use Math::PlanePath::Base::Digits 'round_down_pow';
# uncomment this to run the ### lines
use Smart::Comments;
use Math::PlanePath::BetaOmega;
use Math::PlanePath::KochCurve;
{
require Math::BaseCnv;
my $path = Math::PlanePath::BetaOmega->new;
foreach my $n (0 .. 64) {
my $n4 = sprintf '%3s', Math::BaseCnv::cnv($n,10,4);
my ($x,$y) = $path->n_to_xy($n);
my ($x2,$y2) = $path->n_to_xy($n+1);
my $dx = $x2-$x;
my $dy = $y2-$y;
print "$n4 $dx,$dy\n";
}
exit 0;
}
{
require Math::PlanePath::KochCurve;
foreach my $y (reverse -16 .. 22) {
my $y1 = $y;
my $y2 = $y;
{
if ($y2 > 0) {
# eg y=5 gives 3*5 = 15
$y2 *= 3;
} else {
# eg y=-2 gives 1-3*-2 = 7
$y2 = 1-3*$y1;
}
my ($ylen, $ylevel) = round_down_pow($y2,2);
($ylen, $ylevel) = Math::PlanePath::BetaOmega::_y_round_down_len_level($y);
print "$y $y2 $ylevel $ylen\n";
}
}
exit 0;
}