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Bugfix: brim and skirt collision was not precisely detected when they had similar offsets. #548

degen-loop-screen
Alessandro Ranellucci 2012-08-06 20:26:08 +02:00
parent 2616c24ffc
commit 9bfa4118a1
2 changed files with 5 additions and 4 deletions
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2
lib/Slic3r/Geometry/Clipper.pm
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@ -6,7 +6,7 @@ require Exporter;
our @ISA = qw(Exporter);
our @EXPORT_OK = qw(explode_expolygon explode_expolygons safety_offset offset
diff_ex diff union_ex intersection_ex xor_ex PFT_EVENODD JT_MITER JT_ROUND
is_counter_clockwise);
JT_SQUARE is_counter_clockwise);
use Math::Clipper 1.09 ':all';
use Slic3r::Geometry qw(scale);

7
lib/Slic3r/Print.pm
View File

@ -5,7 +5,7 @@ use File::Basename qw(basename fileparse);
use Math::ConvexHull 1.0.4 qw(convex_hull);
use Slic3r::ExtrusionPath ':roles';
use Slic3r::Geometry qw(X Y Z X1 Y1 X2 Y2 PI scale unscale move_points);
use Slic3r::Geometry::Clipper qw(diff_ex union_ex intersection_ex offset JT_ROUND);
use Slic3r::Geometry::Clipper qw(diff_ex union_ex intersection_ex offset JT_ROUND JT_SQUARE);
use Time::HiRes qw(gettimeofday tv_interval);
has 'config' => (is => 'rw', default => sub { Slic3r::Config->new_from_defaults }, trigger => 1);
@ -520,10 +520,11 @@ sub make_brim {
my $flow = $Slic3r::first_layer_flow || $Slic3r::flow;
my $num_loops = sprintf "%.0f", $Slic3r::Config->brim_width / $flow->width;
for my $i (reverse 1 .. $num_loops) {
# JT_SQUARE ensures no vertex is outside the given offset distance
push @{$self->brim}, Slic3r::ExtrusionLoop->pack(
polygon => Slic3r::Polygon->new($_),
role => EXTR_ROLE_SKIRT,
) for @{Math::Clipper::offset(\@islands, $i * scale $flow->spacing)};
) for @{Math::Clipper::offset(\@islands, $i * scale $flow->spacing, 100, JT_SQUARE)};
}
}
@ -619,7 +620,7 @@ sub write_gcode {
$gcodegen->shift_y($shift[Y]);
$gcode .= $gcodegen->set_acceleration($Slic3r::Config->perimeter_acceleration);
# skip skirt if we have a large brim
if ($layer_id < $Slic3r::Config->skirt_height && ($layer_id != 0 || $Slic3r::Config->skirt_distance + ($Slic3r::Config->skirts * $Slic3r::flow->width) > $Slic3r::Config->brim_width)) {
if ($layer_id < $Slic3r::Config->skirt_height && ($layer_id != 0 || $Slic3r::Config->skirt_distance + (($Slic3r::Config->skirts - 1) * $Slic3r::flow->spacing) > $Slic3r::Config->brim_width)) {
$gcode .= $gcodegen->extrude_loop($_, 'skirt') for @{$self->skirt};
}
$skirt_done++;