<div dir="ltr"><a href="https://www.web3d.org/documents/specifications/19777-1/V3.3/Part1/functions.html#Matrix3">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">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">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>