use SDL::Event; use SDLx::App; my $app = SDLx::App->new( title => "Lines", width => 640, height => 480, ); sub draw_lines { $app->draw_line( [ rand $app->w, rand $app->h ], [ rand $app->w, rand $app->h ], 0xFFFFFFFF ); $app->update(); } $app->add_show_handler( \&draw_lines ); $app->run();