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Bugfix: support material was generated under most bridges

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This commit is contained in:
Alessandro Ranellucci 2012-02-25 21:39:01 +01:00
parent 1d0a852679
commit 70e69be60a
3 changed files with 41 additions and 32 deletions
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11
lib/Slic3r/Layer.pm
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@ -332,8 +332,15 @@ sub process_bridges {
my $line_between_midpoints = Slic3r::Line->new(@midpoints);
$bridge_angle = rad2deg_dir($line_between_midpoints->direction);
} elsif (@edges == 1) {
my $line = Slic3r::Line->new($edges[0]->[0], $edges[0]->[-1]);
$bridge_angle = rad2deg_dir($line->direction);
# TODO: this case includes both U-shaped bridges and plain overhangs;
# we need a trapezoidation algorithm to detect the actual bridged area
# and separate it from the overhang area.
# in the mean time, we're treating as overhangs all cases where
# our supporting edge is a straight line
if (@{$edges[0]} > 2) {
my $line = Slic3r::Line->new($edges[0]->[0], $edges[0]->[-1]);
$bridge_angle = rad2deg_dir($line->direction);
}
} else {
my $center = bounding_box_center([ map @$_, @edges ]);
my $x = my $y = 0;