54 lines
1.7 KiB
Perl
54 lines
1.7 KiB
Perl
package Slic3r::GCode::SpiralVase;
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use Moo;
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has 'config' => (is => 'ro', required => 1);
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use Slic3r::Geometry qw(unscale);
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sub process_layer {
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my $self = shift;
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my ($gcode, $layer) = @_;
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my $total_layer_length = 0;
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Slic3r::GCode::Reader->new->parse($gcode, sub {
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my ($reader, $cmd, $args, $info) = @_;
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$total_layer_length += $info->{dist_XY}
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if $cmd eq 'G1' && $info->{extruding};
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});
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my $new_gcode = "";
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my $layer_height = $layer->height;
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my $z = $layer->print_z + $self->config->z_offset - $layer_height;
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my $newlayer = 0;
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Slic3r::GCode::Reader->new->parse($gcode, sub {
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my ($reader, $cmd, $args, $info) = @_;
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if ($cmd eq 'G1' && exists $args->{Z}) {
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my $line = $info->{raw};
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$line =~ s/Z([^ ]+)/Z$z/;
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$new_gcode .= "$line\n";
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$newlayer = 1;
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} elsif ($cmd eq 'G1' && !exists $args->{Z} && $info->{dist_XY}) {
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my $line = $info->{raw};
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if ($info->{extruding}) {
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$z += $info->{dist_XY} * $layer_height / $total_layer_length;
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$line =~ s/^G1 /sprintf 'G1 Z%.3f ', $z/e;
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$new_gcode .= "$line\n";
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} elsif ($newlayer) {
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# remove the first travel move after layer change; extrusion
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# will just blend to the first loop vertex
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# TODO: should we adjust (stretch) E for the first loop segment?
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$newlayer = 0;
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} else {
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$new_gcode .= "$line\n";
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}
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} else {
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$new_gcode .= "$info->{raw}\n";
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}
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});
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return $new_gcode;
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}
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1;
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