A scientific look at Roy Williams' emotions Posted Nov 25, 2015 Emotion. It's something that UNC Men's Basketball Coach Roy Williams has a lot of. And now we know exactly what he's feeling. Microsoft released a new tool that uses an algorithm to guess how you feel, by using a picture of your face. The Daily Tar Heel used the tool to run some old photos of Roy to see just how he was feeling and graphed the results: (Daily Tar Heel)