Re: weird SDL Rect handling on SDL module

Yes, what beats me is why would one want to use negative sizes, and  
what kind of behaviour they actually have?

-ak


Rafael Jannone kirjoitti 28.8.2005 kello 17.45:

> Asko Kauppi escreveu:
>
>>
>> Yes, you certainly have found the source of the issue.
>>
>> The +0.5's are there to handle cases where coordinates have been
>> calculated, and don't exactly match into integers. Originally,  
>> the  SDL
>> port was tested against Meteor Shower demo, and it most likely
>> benefitted from them.
>>
>> Now, the proper solution would most likely involve some rounding
>> function, suggestions welcome. :)
>>
>
> how about this:
>
> #define glua_round(v)   ((int)(((v) < 0) ? (v)-0.5 : (v)+0.5))
>
> i changed all "+0.5" to this define, and now it seems to be working.
>
> i forgot to mention, there is another instance of this bug inside
> function GLUA_FUNC( _Rect_settable ).  just search for all "0.5" and
> you'll get there.
>
> regards,
> --
> Rafael Jannone
>
>
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