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New option to randomize starting points across layers

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This commit is contained in:
Alessandro Ranellucci 2012-05-19 22:36:29 +02:00
parent b360b2bcea
commit fa4f2c8b97
8 changed files with 50 additions and 24 deletions
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24
lib/Slic3r/Extruder.pm
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@ -35,13 +35,14 @@ has 'speeds' => (
);
my %role_speeds = (
&EXTR_ROLE_PERIMETER => 'perimeter',
&EXTR_ROLE_SMALLPERIMETER => 'small_perimeter',
&EXTR_ROLE_FILL => 'infill',
&EXTR_ROLE_SOLIDFILL => 'solid_infill',
&EXTR_ROLE_BRIDGE => 'bridge',
&EXTR_ROLE_SKIRT => 'perimeter',
&EXTR_ROLE_SUPPORTMATERIAL => 'perimeter',
&EXTR_ROLE_PERIMETER => 'perimeter',
&EXTR_ROLE_SMALLPERIMETER => 'small_perimeter',
&EXTR_ROLE_CONTOUR_INTERNAL_PERIMETER => 'perimeter',
&EXTR_ROLE_FILL => 'infill',
&EXTR_ROLE_SOLIDFILL => 'solid_infill',
&EXTR_ROLE_BRIDGE => 'bridge',
&EXTR_ROLE_SKIRT => 'perimeter',
&EXTR_ROLE_SUPPORTMATERIAL => 'perimeter',
);
use Slic3r::Geometry qw(points_coincide PI X Y);
@ -85,7 +86,14 @@ sub extrude_loop {
$loop->polygon->make_counter_clockwise;
# find the point of the loop that is closest to the current extruder position
my $start_at = $loop->nearest_point_to($self->last_pos);
# or randomize if requested
my $last_pos = $self->last_pos;
if ($Slic3r::randomize_start && $loop->role == EXTR_ROLE_CONTOUR_INTERNAL_PERIMETER) {
srand $self->layer->id * 10;
$last_pos = Slic3r::Point->new(scale $Slic3r::print_center->[X], scale $Slic3r::bed_size->[Y]);
$last_pos->rotate(rand(2*PI), $Slic3r::print_center);
}
my $start_at = $loop->nearest_point_to($last_pos);
# split the loop at the starting point and make a path
my $extrusion_path = $loop->split_at($start_at);