* Add rotate and curvature
* Fix comments
* Fix case where curve is linear
* Address comments
* Fixed breakages caused by UI updates
* Scootch rotation point to center in frame
* Code review
* Visualize t value point when segment is linear
---------
Co-authored-by: Rob Nadal <robnadal44@gmail.com>
Co-authored-by: Keavon Chambers <keavon@keavon.com>