100% pen. (Well, not the backdrop...) Move mouse and eyes will follow. Use this link to run on ipad: ow.ly/OfROq Added transparency around the edges of the eyes to anti-alias a bit.
Sphere mapping tutorial: http://www.helixsoft.nl/articles/sphere/sphere.html#cylinder Eyeball images scanned using: https://scratch.mit.edu/projects/66980580/
