<div dir="auto">You’ll have to figure out the order of the multiplication of matrices.</div><div dir="auto"><br></div><div dir="auto">If you’re using Chrome, it’s super bad at sharing links in the standard.  Use Safari.  I’ve not tried Firefox.</div><div dir="auto"><br></div><div dir="auto">John </div><div dir="auto"><br></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Aug 2, 2023 at 4:25 PM GPU Group <<a href="mailto:gpugroup@gmail.com">gpugroup@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><a href="https://www.web3d.org/documents/specifications/19777-1/V3.3/Part1/functions.html#Matrix3" target="_blank">https://www.web3d.org/documents/specifications/19777-1/V3.3/Part1/functions.html#Matrix3</a> <br><div><a href="https://www.web3d.org/documents/specifications/19775-2/V3.3/index.html" target="_blank">https://www.web3d.org/documents/specifications/19775-2/V3.3/index.html</a> <br></div><div><a href="https://en.wikipedia.org/wiki/Transformation_matrix#Affine_transformations" target="_blank">https://en.wikipedia.org/wiki/Transformation_matrix#Affine_transformations</a><br></div><div>Am I right to assume we want to use Matrix3 for Affine 2D transforms?</div><div>if so how should I use an SFVec3f for a 2D rotation?</div><div>If not how should I use an SFVec3f for a 3D rotation?</div><div>Thanks,</div><div>-Doug</div></div>
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