X-Git-Url: http://git.shiar.net/wormy.git/blobdiff_plain/48c2bc131fc366f422101f985714f4cc642e27b0..60bddabfdddae797faddb681681fafcd4c91a323:/lib/Games/Wormy/Render.pm

diff --git a/lib/Games/Wormy/Render.pm b/lib/Games/Wormy/Render.pm
index a1f29f5..2c83536 100644
--- a/lib/Games/Wormy/Render.pm
+++ b/lib/Games/Wormy/Render.pm
@@ -3,11 +3,12 @@ package Games::Wormy::Render;
 use 5.010;
 use strict;
 use warnings;
+use experimental 'switch';
 
 use Imager;
 use List::Util qw(sum max);
 
-our $VERSION = '1.00';
+our $VERSION = '1.01';
 
 our %COL = (
 	bg     => Imager::Color->new(255, 255, 255),
@@ -23,6 +24,7 @@ our %COL = (
 
 sub level {
 	my ($self, $level) = @_;
+	$level or return;
 
 	my $field = Imager->new(xsize => $level->{width}, ysize => $level->{height});
 	$field->box(filled => 1, color => $COL{bg});