Questions tagged [quaternions]

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Issues understanding rotations exported from Blender to gltf

I am trying to write a raytracer in Rust that is able to load a .gltf file and render it. To do this I model a scene in Blende, export it to gltf (y up) and use my renderer to render the scene. The ...
C. Dautermann's user avatar
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Rotation from quaternion to glmatrix axis rotation

I have my own webgl library with scene objects who have position and rotation. I use for physics cannon.js library. In cannon.js for rotation logic it is used ...
Nikola Lukic's user avatar
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Double quaternion skinning artifacts

This is technically about PGA motors, but dual quaternions are a subalgebra of PGA so for all given purposes it's the same idea. I have an animation in gltf, specified as inverse bind pose matrices, ...
Makogan's user avatar
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Can you encode a reflection in a quaternion?

Say we have the transformation: \begin{bmatrix} 1 & 0 & 0\\ 0 & 0 & 1\\ 0 & 1 & 0\\ \end{bmatrix} i.e. the matrix that encodes swapping the z and y axes. This is equivalent to ...
Makogan's user avatar
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