Re: [Gnu3dkit-dev] Ann: GeometryKit 0.7.5

[Philippe C . D . Robert]

On Tuesday, October 15, 2002, at 04:36  Uhr, Brent Gulanowski wrote:
> On Saturday, October 12, 2002, at 01:45  PM, Philippe C.D. Robert 
> wrote:
> > Hi,
> >
> > the GeometryKit 0.7.5 is now available from CVS on Savannah. The code 
> > should work on Mac OS X and GNUstep. ProjectCenter and ProjectBuilder 
> > are supported directly.
>
> OK, here is where I start bugging you!
>
> Your tuples are mutable. This seems to me to be dangerous. What are 
> your arguments for using side-effect based methods such as -absolute 
> and -negate? (I would have expected -(G3Tuple3f *)absolute.) Is this 
> purely a performance issue?

Performances. Object allocation/deallocation and autorelease pool usage 
slows down the execution performance quite a bit.

I agree that there might still be some issues with the interface 
though, but I guess they are mostly wrt naming.

-Phil
--
Philippe C.D. Robert
http://www.nice.ch/~phip