82 lines
2.2 KiB
Perl
82 lines
2.2 KiB
Perl
package Slic3r::Fill::Base;
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use Moo;
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use Slic3r::Geometry qw(PI rad2deg);
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has 'layer_id' => (is => 'rw');
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has 'angle' => (is => 'rw'); # in radians, ccw, 0 = East
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has 'bounding_box' => (is => 'ro', required => 0); # Slic3r::Geometry::BoundingBox object
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sub angles () { [0, PI/2] }
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sub infill_direction {
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my $self = shift;
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my ($surface) = @_;
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if (!defined $self->angle) {
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warn "Using undefined infill angle";
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$self->angle(0);
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}
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# set infill angle
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my (@rotate);
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$rotate[0] = $self->angle;
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$rotate[1] = $self->bounding_box
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? $self->bounding_box->center
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: $surface->expolygon->bounding_box->center;
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my $shift = $rotate[1]->clone;
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if (defined $self->layer_id) {
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# alternate fill direction
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my $layer_num = $self->layer_id / $surface->thickness_layers;
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my $angle = $self->angles->[$layer_num % @{$self->angles}];
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$rotate[0] = $self->angle + $angle if $angle;
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}
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# use bridge angle
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if ($surface->bridge_angle >= 0) {
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Slic3r::debugf "Filling bridge with angle %d\n", rad2deg($surface->bridge_angle);
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$rotate[0] = $surface->bridge_angle;
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}
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$rotate[0] += PI/2;
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$shift->rotate(@rotate);
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return [\@rotate, $shift];
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}
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# this method accepts any object that implements rotate() and translate()
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sub rotate_points {
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my $self = shift;
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my ($expolygon, $rotate_vector) = @_;
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# rotate points
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my ($rotate, $shift) = @$rotate_vector;
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$rotate = [ -$rotate->[0], $rotate->[1] ];
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$expolygon->rotate(@$rotate);
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$expolygon->translate(@$shift);
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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, $shift) = @$rotate_vector;
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$shift = [ map -$_, @$shift ];
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$_->translate(@$shift) for @$paths;
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$_->rotate(@$rotate) for @$paths;
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}
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sub adjust_solid_spacing {
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my $self = shift;
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my %params = @_;
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my $number_of_lines = int($params{width} / $params{distance}) + 1;
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return $params{distance} if $number_of_lines <= 1;
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my $extra_space = $params{width} % $params{distance};
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return $params{distance} + $extra_space / ($number_of_lines - 1);
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}
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1;
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