[x3d-public] SAI > X3DMatrix3 > setTransform > rotation > SFVec3f?

[John Carlson]

You’ll have to figure out the order of the multiplication of matrices.

If you’re using Chrome, it’s super bad at sharing links in the standard.
Use Safari.  I’ve not tried Firefox.

John


On Wed, Aug 2, 2023 at 4:25 PM GPU Group <gpugroup at gmail.com> wrote:

>
> https://www.web3d.org/documents/specifications/19777-1/V3.3/Part1/functions.html#Matrix3
>
> https://www.web3d.org/documents/specifications/19775-2/V3.3/index.html
> https://en.wikipedia.org/wiki/Transformation_matrix#Affine_transformations
> Am I right to assume we want to use Matrix3 for Affine 2D transforms?
> if so how should I use an SFVec3f for a 2D rotation?
> If not how should I use an SFVec3f for a 3D rotation?
> Thanks,
> -Doug
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