113 lines
3.1 KiB
Perl
113 lines
3.1 KiB
Perl
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package Slic3r::Model;
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use Moo;
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use Slic3r::Geometry qw(X Y Z);
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has 'materials' => (is => 'ro', default => sub { [] });
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has 'objects' => (is => 'ro', default => sub { [] });
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sub add_object {
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my $self = shift;
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my $object = Slic3r::Model::Object->new(model => $self, @_);
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push @{$self->objects}, $object;
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return $object;
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}
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# flattens everything to a single mesh
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sub mesh {
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my $self = shift;
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my $vertices = [];
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my $facets = [];
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foreach my $object (@{$self->objects}) {
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my @instances = $object->instances ? @{$object->instances} : (undef);
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foreach my $instance (@instances) {
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my @vertices = @{$object->vertices};
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if ($instance) {
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# save Z coordinates, as rotation and translation discard them
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my @z = map $_->[Z], @vertices;
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if ($instance->rotation) {
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# transform vertex coordinates
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my $rad = Slic3r::Geometry::deg2rad($instance->rotation);
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@vertices = Slic3r::Geometry::rotate_points($rad, undef, @vertices);
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}
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@vertices = Slic3r::Geometry::move_points($instance->offset, @vertices);
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# reapply Z coordinates
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$vertices[$_][Z] = $z[$_] for 0 .. $#z;
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}
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my $v_offset = @$vertices;
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push @$vertices, @vertices;
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foreach my $volume (@{$object->volumes}) {
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push @$facets, map {
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my $f = [@$_];
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$f->[$_] += $v_offset for -3..-1;
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$f;
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} @{$volume->facets};
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}
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}
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}
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return Slic3r::TriangleMesh->new(
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vertices => $vertices,
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facets => $facets,
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);
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}
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package Slic3r::Model::Material;
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use Moo;
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has 'model' => (is => 'ro', weak_ref => 1, required => 1);
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has 'attributes' => (is => 'rw', default => sub { {} });
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package Slic3r::Model::Object;
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use Moo;
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has 'model' => (is => 'ro', weak_ref => 1, required => 1);
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has 'vertices' => (is => 'ro', default => sub { [] });
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has 'volumes' => (is => 'ro', default => sub { [] });
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has 'instances' => (is => 'rw');
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sub add_volume {
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my $self = shift;
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my $volume = Slic3r::Model::Volume->new(object => $self, @_);
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push @{$self->volumes}, $volume;
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return $volume;
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}
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sub add_instance {
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my $self = shift;
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$self->instances([]) if !defined $self->instances;
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push @{$self->instances}, Slic3r::Model::Instance->new(object => $self, @_);
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return $self->instances->[-1];
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}
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package Slic3r::Model::Volume;
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use Moo;
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has 'object' => (is => 'ro', weak_ref => 1, required => 1);
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has 'material_id' => (is => 'rw');
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has 'facets' => (is => 'rw', default => sub { [] });
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sub mesh {
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my $self = shift;
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return Slic3r::TriangleMesh->new(
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vertices => $self->object->vertices,
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facets => $self->facets,
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);
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}
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package Slic3r::Model::Instance;
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use Moo;
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has 'object' => (is => 'ro', weak_ref => 1, required => 1);
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has 'rotation' => (is => 'rw', default => sub { 0 });
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has 'offset' => (is => 'rw');
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1;
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