use Algorithm::Line::Bresenham to draw lines later

diff --git a/trace-path.pl b/trace-path.pl
index 61a4066..77a378d 100755 (executable)
--- a/trace-path.pl
+++ b/trace-path.pl
@@ -9,6 +9,7 @@ use SDL::Color;
 use SDL::Constants;
 use SDL::Event;
 use Math::CatmullRom;
+#use Algorithm::Line::Bresenham;
 
 use Carp qw/confess/;
 use Data::Dump qw/dump/;