Hello, I wonder if anyone has a patch or can help me make one that does the following:
Follows an object from the camera (camera and lighting will be stationary), outputs x/y position in frame (0-1) and speed of movement per second?

@Yar You will find this useful....... https://curiousart.org/digital_proj/pd_eBook.pdf

I have not tried with Gem. Tuio was an alternative in the past.
David.

@whale-av Thank you! I took a look and it was great help.