Thank you! The problem is solved, and I think I see clearly why. I will look into background processes later, and for now I'll go with the simple solution. Great!
/Martin Nilsson > ----- Original Message ----- > From: Bert Freudenberg > Sent: 03/16/11 04:40 PM > To: A friendly place to get answers to even the most basic questions about > Squeak. > Subject: Re: [Newbies] Strange bug with Morphic > > On 16.03.2011, at 11:33, Martin Nilsson wrote: > > > Now, my question is: what magic does this call to Transcript do which > > causes my game to update correctly > > It performs a "world cycle", which causes a redraw. > > > , and what message should I send instead to get the same effect, even > > without a Transcript window open ? > > You could write "self world doOneCycleNow". However, this normally hints at a > design flaw. > > Morphic is an event-driven system. It has a main loop that processes events, > then redraws the changed parts of the world. > > Since your code does not "return" to the main loop while doing the AI, the UI > will not update. The "proper" way would be doing the UI in a background > process, which would notify the UI process when done. Then other things could > happen in parallel to the AI "thinking". > > If you don't care about the world being frozen while the AI is doing its > thing, then you don't need a background process, and forcing a world cycle to > update the display is fine. Certainly simpler. > > - Bert - > > _______________________________________________ > Beginners mailing list > Beginners@lists.squeakfoundation.org > http://lists.squeakfoundation.org/mailman/listinfo/beginners > _______________________________________________ Beginners mailing list Beginners@lists.squeakfoundation.org http://lists.squeakfoundation.org/mailman/listinfo/beginners
