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Ported ExtrusionPath::Collection->chained_path

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Alessandro Ranellucci 2013-08-29 11:47:59 +02:00
parent ea1d138c95
commit bd7b0e2aed
11 changed files with 170 additions and 57 deletions
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36
lib/Slic3r/ExtrusionPath/Collection.pm
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@ -2,42 +2,6 @@ package Slic3r::ExtrusionPath::Collection;
use strict;
use warnings;
sub first_point {
my $self = shift;
return $self->[0]->[0];
}
# (Same algorithm as Polyline::Collection)
sub chained_path {
my $self = shift;
my ($start_near, $no_reverse) = @_;
my @my_paths = @$self;
return @my_paths if $self->no_sort;
my @paths = ();
my $start_at;
my $endpoints = $no_reverse
? [ map { @$_[0,0] } @my_paths ]
: [ map { @$_[0,-1] } @my_paths ];
while (@my_paths) {
# find nearest point
my $start_index = defined $start_near
? $start_near->nearest_point_index($endpoints)
: 0;
my $path_index = int($start_index/2);
if ($start_index % 2 && !$no_reverse) { # index is end so reverse to make it the start
# path is reversed in place, but we got a copy from XS
$my_paths[$path_index]->reverse;
}
push @paths, splice @my_paths, $path_index, 1;
splice @$endpoints, $path_index*2, 2;
$start_near = $paths[-1]->last_point;
}
return @paths;
}
sub cleanup {
my $self = shift;