3DPrinting/PrusaSlicer-NonPlainar
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Only look up $point's X and Y once, rather than once on every pass through the loop.

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(Those lookups are expensive)
This commit is contained in:
Jesse Vincent 2013-04-07 18:28:08 -04:00
parent 3e8c5804fe
commit da0e67a891
1 changed files with 5 additions and 1 deletions
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6
lib/Slic3r/Geometry.pm
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@ -243,8 +243,12 @@ sub nearest_point_index {
my ($point, $points) = @_;
my ($nearest_point_index, $distance) = ();
my $point_x = $point->[X];
my $point_y = $point->[Y];
for my $i (0..$#$points) {
my $d = (($point->[X] - $points->[$i]->[X])**2) + (($point->[Y] - $points->[$i]->[Y])**2);
my $d = (($point_x - $points->[$i]->[X])**2) + (($point_y - $points->[$i]->[Y])**2);
if (!defined $distance || $d < $distance) {
$nearest_point_index = $i;
$distance = $d;