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Fix bridge detector

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Test line direction is changed to reflect 0=east angle system
Test patern rotation direction is reversed - $angle represents infill direction
Angle test is changed to avoid returning negative value (this does happen otherwise - adding increments to $angle
creates ~ 1e-15 rounding error)
This commit is contained in:
Petr Ledvina 2014-04-23 11:04:56 +02:00
parent 1fc76b73a4
commit 802ebfb0d6
1 changed files with 5 additions and 5 deletions
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10
lib/Slic3r/Layer/BridgeDetector.pm
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@ -89,16 +89,16 @@ sub detect_angle {
my $my_anchors = [ map $_->clone, @$anchors ];
# rotate everything - the center point doesn't matter
$_->rotate($angle, [0,0]) for @$my_clip_area, @$my_anchors;
$_->rotate(-$angle, [0,0]) for @$my_clip_area, @$my_anchors;
# generate lines in this direction
my $bounding_box = Slic3r::Geometry::BoundingBox->new_from_points([ map @$_, map @$_, @$my_anchors ]);
my @lines = ();
for (my $x = $bounding_box->x_min; $x <= $bounding_box->x_max; $x += $line_increment) {
for (my $y = $bounding_box->y_min; $y <= $bounding_box->y_max; $y+= $line_increment) {
push @lines, Slic3r::Polyline->new(
[$x, $bounding_box->y_min + scaled_epsilon],
[$x, $bounding_box->y_max - scaled_epsilon],
[$bounding_box->x_min, $y],
[$bounding_box->x_max, $y],
);
}
@ -143,7 +143,7 @@ sub detect_angle {
}
if (defined $self->angle) {
if ($self->angle >= PI - epsilon) {
if ($self->angle >= PI) {
$self->angle($self->angle - PI);
}