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SDL::App::FPS:

2002-12-25 v0.01 Tels - 3 tests (not released)
 * rewrote test.pl into package SDL::App::FPS complete with doc and a testfile
 * features:
   - option handling
   - framerate monitor
   - time warp (slow motion, fast forward, even clock going backwards)
   - event handling after each frame
   - framerate cap, with sophisticated delay to acocunt for timer inaccuracies
   - object oriented approach, subclassable
 * added sample subclass and testfile

2002-12-26 v0.02 Tels - 8 tests (15:30)
 * added $VERSION
 * made into a proper package for easier handling
 * added quit() to quit application from draw_frame() or anywhere else
 * added fullscreen() (still needs some work)
 * added can_ok() test to test for methods to exist
 * added tests for pre_init_handler(), post_init_handler() and quit_handler()
 * added test for framerate cap
 * require SDL version 1.18.0 (since 1.19.x is not yet on CPAN)
 * added ramp_time_warp(), stop_time_warp_ramp()
 * added freeze_time(), thaw_time()

2002-12-26 v0.03 Tels - 11 tests (19:50)
 * added time_is_frozen(), time_is_ramping()
 * added pause() to pause application until some or an specific event occured
   (the SDL_QUIT event will always end the pause and then the application)
 * added examples/ with Kcirb.pl and subclass for it
 * main loop ends when $self->{quit} is true, to avoid hanging at end when
   there are no more events
 * moved post_init_handler() after initializing $self->{now} et al.
 * renamed update() to next_frame() and added update() to call {app}->update()
 * added app(), width() and height()
 * added min_fps(), max_fps()
 * added min_frame_time(), max_frame_time()

2002-12-26 v0.04 Tels - 41 tests (22:35) 
 * moved bugs from TODO to BUGS
 * the event we wait in pause() for is put to handle_event(), too.
 * added support for timers via SDL::App::FPS::Timer and add_timer(),
   get_timer(), remove_timer(), timers() as well as expire_timers()
 * added a timer example to the example application, it now spawns a new
   rectangle every 3 seconds.
 * re-ordered METHODS in FPS.pm: move the automatically used methods to bottom
 * added tests for Timer.pm

2002-12-27 v0.05 Tels - 50 tests 
 * timers can have additional arguments to callback, test for them
 * timers allow negative target time and negative delay time
 * fixed: add_timer() really add timer, instead of replacing the first one
 * timer take a 'rand' argument to randomize their times (not used yet)
 * pass overshot value to timer callback
 * fixed README
 * don't start time warp ramp if we are already at the target warp
 * randomize rectangle sizes in example application
 * add "shots" to example application (shows nested timers with overshot
   correction!)
 * added key 'b' to example application, wait for some action, then try it!

Please send me test-reports, your experiences with this and your ideas - I love
to hear about my work!

Tels <http://bloodgate.com/>