Which triangles should be in front and which should be behind? The problems computers face when collapsing 3D graphics down to 2 dimensions. Graphics series with John Chapman: 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/ Lights and Shadows in Computer Graphics: http://www.youtube.com/watch?v=LUjXAoP5GG0 John Chapman is a graphics programmer who blogs here: http://www.john-chapman.net 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