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Fix of a crash when setting a viewport over an empty platter.

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Exported bounding box 'empty' method to perl.
This commit is contained in:
bubnikv 2016-10-18 16:44:05 +02:00
parent 26349b30c5
commit 53907a9cfe
4 changed files with 18 additions and 11 deletions
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21
lib/Slic3r/GUI/3DScene.pm
View file

@ -354,15 +354,18 @@ sub select_view {
$dirvec = VIEW_REAR;
}
}
$self->_sphi($dirvec->[0]);
$self->_stheta($dirvec->[1]);
# Avoid gimball lock.
$self->_stheta(150) if $self->_stheta > 150;
$self->_stheta(0) if $self->_stheta < 0;
# View everything.
$self->zoom_to_volumes;
$self->on_viewport_changed->() if $self->on_viewport_changed;
$self->Refresh;
my $bb = $self->volumes_bounding_box;
if (! $bb->empty) {
$self->_sphi($dirvec->[0]);
$self->_stheta($dirvec->[1]);
# Avoid gimball lock.
$self->_stheta(150) if $self->_stheta > 150;
$self->_stheta(0) if $self->_stheta < 0;
# View everything.
$self->zoom_to_bounding_box($bb);
$self->on_viewport_changed->() if $self->on_viewport_changed;
$self->Refresh;
}
}
sub zoom_to_bounding_box {