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