9th-circle / Anathema.Vectors

Basic linear algebra, mostly for computer graphics.

Other

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Quaternions Checklist #1

Open matthras opened 1 year ago

matthras commented 1 year ago

Defining Object

[ ] Define quaternion: 4-length vector, all real numbers (floats)

Operations on Quaternions

[ ] Adding & subtracting
[ ] Scalar multiplication
[ ] Hamilton product (i.e. product)
[ ] Inverse
[ ] Dot product
[ ] Conjugate
[ ] Norm

Conversions

[ ] Axis-angle to quaternion
[ ] Quaternion to axis-angle
[ ] 3x3 Rotation matrix to quaternion
[ ] Quaternion to 3x3 rotation matrix

Sources

Wikipedia: https://en.wikipedia.org/wiki/Quaternion
Rotation Quaternions: https://danceswithcode.net/engineeringnotes/quaternions/quaternions.html

Add/edit new details as required

blame-lewis commented 1 year ago

Looks amazing :) Stuff to add:

Complex types
Double precision floating point
Test coverage

blame-lewis commented 1 year ago

Also! Are we able to slerp with those operators provided? Is it possible to create a dedicated slerp function also?