Worked with Kanishk Garg (https://github.com/KanishkGar/) to create this project.
Used the jsfiddle from affectiva's demo and modified it.
Resultant: (link:https://jsfiddle.net/Madhu22/hue2tLdn/4/)
Affectivia's demo: (link:https://jsfiddle.net/affectiva/opyh5e8d/)