[rh12503]

Cool! I'm guessing you use an edge detection algorithm like https://github.com/esimov/triangle?

[jonty]

Actually I use FAST keypoint detection, which is used to repeatably find "good" points for tracking using computer vision.

https://en.wikipedia.org/wiki/Features_from_accelerated_segm...

https://opencv-python-tutroals.readthedocs.io/en/latest/py_t...