From: Dobrica Pavlinusic <dpavlin@rot13.org>
Date: Wed, 19 May 2010 15:47:13 +0000 (+0200)
Subject: cleanup debug
X-Git-Url: http://git.rot13.org/?p=perl-landing-airplanes.git;a=commitdiff_plain;h=009020449eecf3b71c575224c2051e166a17ab53

cleanup debug
---

diff --git a/trace-path.pl b/trace-path.pl
index de5d493..5f9884a 100755
--- a/trace-path.pl
+++ b/trace-path.pl
@@ -11,17 +11,19 @@ use SDL::Event;
 use Math::CatmullRom;
 #use Algorithm::Line::Bresenham;
 
-use Carp qw/confess/;
-use Data::Dump qw/dump/;
+use Carp qw(cluck);
+use Data::Dump qw(dump);
 
-my $debug = 0;
+our $debug = 0;
 
 my ( $w, $h ) = ( 800, 480 );
 my $mouse_trashold = 10;
 my $max_path_length = 200;
 
 sub debug {
-	warn '#', dump @_ if $debug;
+	return unless $debug;
+	my ($package, $filename, $line) = caller;
+	warn '# ', dump( @_ ), " $filename +$line\n";
 }
 
 our $app = SDL::App->new(
@@ -76,13 +78,18 @@ sub handle_events {
 			my $key = $event->key_name;
 			debug 'key down', $key;
 			exit if $key =~ m/^[xq]$/;
-			if ( $key eq 's' ) {
+			if ( $key eq 's' ) { # XXX draw curve
 				curve;
-			} elsif ( $key eq 'd' ) {
+			} elsif ( $key eq 'backspace' ) { # XXX clean screen
 				@path = ();
 				my $rect = SDL::Rect->new( -x => 0, -y => 0, -w => $w, -h => $h );
 				$app->fill( $rect, $black );
 				$app->update( $rect );
+			} elsif ( $key eq 'd' ) { # XXX toggle debug
+				$debug = ! $debug;
+				warn "debug $debug\n";
+			} else {
+				warn "unknown key $key";
 			}
 		} elsif ( $type == SDL_KEYUP() ) {
 			debug 'key up', $event->key_name;
@@ -105,7 +112,7 @@ sub handle_events {
 				}
 			}
 		} else {
-			debug 'unknown', $type;
+			warn "unknown type $type\n";
 		}
 	}
 };