117 lines
2.6 KiB
Perl
117 lines
2.6 KiB
Perl
package Slic3r::Polyline;
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use Moo;
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use Math::Clipper qw();
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use Sub::Quote;
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use XXX;
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# arrayref of ordered points
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has 'points' => (
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is => 'rw',
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required => 1,
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default => sub { [] },
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isa => quote_sub q{ use Carp; confess "invalid points" if grep ref $_ ne 'Slic3r::Point', @{$_[0]} },
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);
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sub id {
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my $self = shift;
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return join ' - ', sort map $_->id, @{$self->points};
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}
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sub cast {
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my $class = shift;
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my ($points) = @_;
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$points = [ map { ref $_ eq 'ARRAY' ? Slic3r::Point->cast($_) : $_ } @$points ];
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return $class->new(points => $points);
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}
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sub lines {
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my $self = shift;
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my @lines = ();
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my $previous_point;
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foreach my $point (@{ $self->points }) {
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if ($previous_point) {
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push @lines, Slic3r::Line->new(points => [ $previous_point, $point ]);
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}
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$previous_point = $point;
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}
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return @lines;
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}
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sub p {
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my $self = shift;
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return [ map $_->p, @{$self->points} ];
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}
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sub merge_continuous_lines {
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my $self = shift;
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my @points = map $_->p, @{$self->points};
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for (my $i = 2; $i <= $#points; $i++) {
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if (Slic3r::Geometry::lines_parallel([$points[$i-2], $points[$i-1]], [$points[$i-1], $points[$i]])) {
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# we can remove $points[$i-1]
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splice @points, $i-1, 1;
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$i--;
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}
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}
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@{$self->points} = map Slic3r::Point->cast($_), @points;
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}
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sub cleanup {
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my $self = shift;
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my $tolerance = shift || 10;
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my $points = $self->p;
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push @$points, $points->[0] if $self->isa('Slic3r::Polyline::Closed');
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my @clean_points = map Slic3r::Point->cast($_),
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Slic3r::Geometry::Douglas_Peucker($self->p, $tolerance);
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pop @clean_points if $self->isa('Slic3r::Polyline::Closed');
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@{$self->points} = @clean_points;
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}
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sub reverse_points {
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my $self = shift;
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@{$self->points} = reverse @{$self->points};
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}
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sub is_counter_clockwise {
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my $self = shift;
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return Math::Clipper::is_counter_clockwise($self->p);
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}
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sub make_counter_clockwise {
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my $self = shift;
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$self->reverse_points if !$self->is_counter_clockwise;
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}
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sub make_clockwise {
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my $self = shift;
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$self->reverse_points if $self->is_counter_clockwise;
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}
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sub nearest_point_to {
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my $self = shift;
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my ($point) = @_;
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# get point as arrayref
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$point = ref $point eq 'ARRAY' ? $point : $point->p;
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$point = Slic3r::Geometry::nearest_point($point, $self->p);
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return Slic3r::Point->cast($point);
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}
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sub has_segment {
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my $self = shift;
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my ($line) = @_;
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for ($self->lines) {
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return 1 if $_->has_segment($line);
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}
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return 0;
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}
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1;
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