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Improvements to avoid numerical issues in bridge detection and bridge exclusion

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This commit is contained in:
Alessandro Ranellucci 2014-04-30 15:16:15 +02:00
parent 581376bf75
commit 010b71e9d4
3 changed files with 19 additions and 16 deletions
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18
lib/Slic3r/Polyline.pm
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@ -2,6 +2,7 @@ package Slic3r::Polyline;
use strict;
use warnings;
use List::Util qw(first);
use Slic3r::Geometry qw(X Y epsilon);
use Slic3r::Geometry::Clipper qw(JT_SQUARE);
@ -29,18 +30,11 @@ sub size {
sub is_straight {
my ($self) = @_;
my $last_dir;
foreach my $line (@{$self->lines}) {
my $dir = $line->direction;
if (defined $last_dir) {
if (abs($dir - $last_dir) > epsilon) {
return 0;
}
}
$last_dir = $dir;
}
return 1;
# Check that each segment's direction is equal to the line connecting
# first point and last point. (Checking each line against the previous
# one would have caused the error to accumulate.)
my $dir = Slic3r::Line->new($self->first_point, $self->last_point)->direction;
return !defined first { abs($_->direction - $dir) > epsilon } @{$self->lines};
}
1;