This is not so hard.
Say you have a laser on scanners watched by a camera.
Its moving >>>>>>>>>>>>>>>>>*
It hits a black spot B
B
Look at the 3x3 matrix of pixels around B
xxx
xbx
xxx
Say it finds this
XXB
XBX
BXX
Is it left or right handed?
OK, Its leftie,
So move up and scan around the 2D matrix. Turn accordingly.
Repeat process. Add some code to deal with noise or if objects are isolated.
If you have enough memory, store the center of objects in ram so you can speed things up.
Find the version they did that runs much faster! Each shape has its own distinct sound.
STEVE
Qui habet Christos, habet Vitam!
I should have rented the space under my name for advertising.
When I still could have...