[Gridflow-dev] geometry, cross products, matrix inversions...

[mescalinum at gmail.com]

Il 21/11/2011 01:42, Mathieu Bouchard ha scritto:
> Le 2011-11-20 à 19:30:00, Mathieu Bouchard a écrit :
>
>> I'm working on the 4th solution, which will be as an external, but 
>> not as a class.
>
> Oh, this means : Federico, forget about writing an external class 
> based on [#perspective]... vecops are a better solution.
>
> And I just found there's also another reason not to inspire yourself 
> from [#perspective] : it has a major ugly bug... it uses read-only 
> data as a scratch buffer and destroys the data. It looks like this 
> component isn't very much used because the bug probably has been there 
> for 8 years.

doesn't [#perspective] classify as a 3-vecop? (but it has one more 
parameter which is the scale, but you could assume 1)