[Bf-cycles] Motion blur related typo?

Brecht Van Lommel brechtvanlommel at pandora.be
Sun Nov 11 16:05:09 CET 2012

I've just disabled curved motion blur now in svn, looked into this a
few times now but still could not find acceptable solution.


On Sun, Nov 11, 2012 at 1:15 PM, Brecht Van Lommel
<brechtvanlommel at pandora.be> wrote:
> On Sun, Nov 11, 2012 at 5:58 AM, storm <kartochka22 at yandex.ru> wrote:
>> I get it, but my little scene looks more correct with that "fix", maybe
>> because changing only w in 4D projective space will make strange big
>> blur along axis ? Maybe do not touch "decompose.y" at all?
> It has nothing to do with projective space, it's just a quaternion,
> translation and 3x3 scale matrix that are packed into a 4x4 array.
> Stupid trick to store decomposed matrix in a regular 4x4 matrix.
>> В Вс., 11/11/2012 в 04:07 +0100, Brecht Van Lommel пишет:
>>> quick arc-length parametrization of the curve
>> http://math.stackexchange.com/questions/12186/arc-length-of-bezier-curves
>> Really hard task, elliptic integrals, something that i prefer to skip :P
> Yeah, these formulas are complicated, it's not going to be very fast.
> Brecht.

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