Audible free book: http://www.audible.com/computerphile The latest film of our series on graphics sees John Chapman turning the lights off to explain how we decide if a pixel is in light or shade... John Chapman is a graphics programmer who blogs here: http://www.john-chapman.net Graphics series with John Chapman: http://www.youtube.com/playlist?list=PLzH6n4zXuckrPkEUK5iMQrQyvj9Z6WCrm 1/ Universe of Triangles : http://youtu.be/KdyvizaygyY 2/ Power of the Matrix : http://youtu.be/vQ60rFwh2ig 3/ Triangles to Pixels : http://youtu.be/aweqeMxDnu4 4/ Visibility Problem : http://youtu.be/OODzTMcGDD0 5/ Light and Shade in Computer Graphics: http://youtu.be/LUjXAoP5GG0 http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels