rename colors
[perl-landing-airplanes.git] / trace-path.pl
index 258206d..05dccdd 100755 (executable)
@@ -38,9 +38,9 @@ our $event = SDL::Event->new;
 
 our $mouse_down = 0;
 
-our $white = SDL::Color->new( 0xff, 0xff, 0xff );
-our $red   = SDL::Color->new( 0xff, 0x00, 0x00 );
-our $black = SDL::Color->new( 0x00, 0x00, 0x00 );
+our $mouse_color = SDL::Color->new( 0x00, 0x80, 0x00 );
+our $path_color  = SDL::Color->new( 0xff, 0x00, 0x00 );
+our $black       = SDL::Color->new( 0x00, 0x00, 0x00 );
 
 my ( $last_x, $last_y ) = ( 0,0 );
 
@@ -63,7 +63,7 @@ sub curve {
                        int($curve[$i++]),
                        int($curve[$i++]),
                        int($curve[$i++]),
-                       sub { $app->pixel( @_, $red ) }
+                       sub { $app->pixel( @_, $path_color ) }
                );
        }
        $app->sync;
@@ -111,7 +111,7 @@ sub handle_events {
                                if ( $#path < $max_path_length ) {
                                        push @path, $x, $y;
                                        my $rect = SDL::Rect->new( -x => $event->motion_x - 1, -y => $event->motion_y -1 , -w => 3, -h => 3 );
-                                       $app->fill( $rect, $white );
+                                       $app->fill( $rect, $mouse_color );
                                        $app->update( $rect );
                                        $last_x = $x;
                                        $last_y = $y;