Notes:

http://www.youtube.com/watch?v=wqzi5JQYqpg
http://www.youtube.com/watch?v=ljDlN2O5qCE
http://www.youtube.com/watch?v=yKpJElwama8
http://www.youtube.com/watch?v=Y1ignag-NmY
http://www.youtube.com/watch?v=T1VnLG6fmfA
http://www.youtube.com/watch?v=VK2N3PvaFcs

http://userpages.umbc.edu/~bailey/Courses/Tutorials/RenderingDemo/DepthRayShadowDemo.html

https://vimeo.com/19024160

Good luck next week, everyone!