somebody else's problem

first/Level.pm

@@ -4,6 +4,7 @@ use strict;
 use feature 'say';
 
 use Viewport;
+use SDLx::Rect;
 use Collision::2D ':all';
 #use Collision::2D::Entity::Grid; 
 #use Collision::2D::Entity::Rect;

first/Viewport.pm

@@ -3,6 +3,7 @@ use warnings;
 use strict;
 
 use SDL::Rect;
+use SDLx::Rect;
 
 use POSIX qw/floor ceil/; 
 

first/cyberhack.pl

@@ -134,7 +134,7 @@
          $cryptopod->set_freefall;
       }
       $cryptopod->do;
-      $app->draw_rect( [ 0, 0, $app->w, $app->h ], 0x0 );
+      $app->draw_rect( [ 0, 0, $app->w, $app->h ], 0x000000FF );
       $viewport->draw();
       $rock_surf->blit ($app, $rect32, $rect32);
    }