On Wed, Jun 17, 2009 at 9:14 AM, Gordon Apple<g...@ed4u.com> wrote: > IMHO, matrix operations are one of the most confusing and cumbersome > aspects of Cocoa. Every time I use them, I end up trying most combinations > until I get the desired result. C++ doesn't have this problem. You can > simply write the matrix equations and be done with it. I love Objective C, > but operator overloading (and ctors/dtors) are the things I miss most. > Multiple inheritance -- not so much.
This isn't a C++/ObjC issue. Whatever matrix library you were using under C++ happened to define matrix multiplication in such a way that it performed the operations in reverse order. XNA, on the other hand, follows the same pattern as Cocoa, even though it's written in C# and therefore has operator overloading. The AppKit team could very easily have implemented NSAffineTransform to transparently define a stack. But they didn't. Neither did the OpenGL people, or the XNA people. But it's not a language issue. --Kyle Sluder _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
