62 lines
1.7 KiB
Perl
62 lines
1.7 KiB
Perl
package Slic3r::Fill::Base;
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use Moo;
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use XXX;
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has 'layer' => (is => 'rw');
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has 'max_print_dimension' => (is => 'rw');
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use constant PI => 4 * atan2(1, 1);
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sub infill_direction {
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my $self = shift;
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my ($surface) = @_;
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# set infill angle
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my (@rotate, @shift);
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$rotate[0] = Slic3r::Geometry::deg2rad($Slic3r::fill_angle);
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$rotate[1] = [ $self->max_print_dimension * sqrt(2) / 2, $self->max_print_dimension * sqrt(2) / 2 ];
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@shift = @{$rotate[1]};
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# alternate fill direction
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if (($self->layer->id / $surface->depth_layers) % 2) {
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$rotate[0] = Slic3r::Geometry::deg2rad($Slic3r::fill_angle) + PI/2;
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}
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# use bridge angle
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if ($surface->surface_type eq 'bottom' && $self->layer->id > 0 && defined $surface->bridge_angle) {
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Slic3r::debugf "Filling bridge with angle %d\n", $surface->bridge_angle;
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$rotate[0] = Slic3r::Geometry::deg2rad($surface->bridge_angle);
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}
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@shift = @{ +(Slic3r::Geometry::rotate_points(@rotate, \@shift))[0] };
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return [\@rotate, \@shift];
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}
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sub rotate_points {
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my $self = shift;
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my ($expolygon, $rotate_vector) = @_;
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my @rotate = @{$rotate_vector->[0]};
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my @shift = @{$rotate_vector->[1]};
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# rotate points as needed
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if ($rotate[0]) {
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$expolygon->rotate(@rotate);
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$expolygon->translate(@shift);
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}
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}
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sub rotate_points_back {
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my $self = shift;
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my ($paths, $rotate_vector) = @_;
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my @rotate = @{$rotate_vector->[0]};
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my @shift = @{$rotate_vector->[1]};
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if ($rotate[0]) {
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@$paths = map [ Slic3r::Geometry::rotate_points(-$rotate[0], $rotate[1], @$_) ],
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map [ Slic3r::Geometry::move_points([map -$_, @shift], @$_) ], @$paths;
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}
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}
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1;
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