[racket] ANN: 2048 game - Racket edition

On Apr 22, 2014, at 6:08 PM, Sam Tobin-Hochstadt wrote:

> On Tue, Apr 22, 2014 at 5:50 PM, Matthias Felleisen
> <matthias at ccs.neu.edu> wrote:
>> 
>> On Apr 22, 2014, at 5:42 PM, Daniel Prager <daniel.a.prager at gmail.com> wrote:
>> 
>>> Matthias: Would it make sense to have an option on (big-bang) for it not to redraw if the world hasn't changed?
>> 
>> The world library does this. NO, all the code that did this is commented out. The comment next to it says "Robby optimization" and I totally forgot why it says so. I do recall running into problems with not refreshing the image and that not refreshing was actually not big time saver. Sorry for the double negative.
> 
> You appear to have removed this optimization in this commit:
> https://github.com/plt/racket/commit/be76ed2adde49ed07453b368bc254c3bce99259d
> but without a reason given.


Yes.