[Bf-committers] Change Representation and Initialisation of Matrices to Conform with Standard Notation

Dan Eicher dan at trollwerks.org
Fri Dec 9 05:07:23 CET 2011

On Wed, Dec 7, 2011 at 11:05 PM, Andrew Hale <trumanblending at gmail.com> wrote:
> Hi All,
> I have written a patch which rectifies a cause of confusion among Blender
> uses when starting out with matrices and vectors. The patch ensures
> consistency between the matrix representation and matrix/vector products so
> that they behave in the way that people familiar with math expect. This is
> achieved by adjusting pythons access to the internal storage, while keeping
> the internal data the same. Note that this does not interfere with how
> matrices are stored internally or how matrix products, additions etc are
> performed internally.
> The patch can be found here:
> http://projects.blender.org/tracker/index.php?func=detail&aid=29534&group_id=9&atid=127along
> with a more in depth explanation.
> Thanks,
> Andrew

I thought blender does it this way is because opengl also does row (or
column, dunno really) major representation?

...and this patch would break pretty much every script out there.


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