Ian on Projections

Ian Griffith's blog is consistently worth reading - I learn something almost every time he writes. I want to particularly note his latest post, though, because it has a direct bearing on one of my favorite subjects: Direct3D. In the post, he talks about the difference between orthographic and perspective transforms, a topic which is highly relevant to anyone who has ever wondered about the APIs Matrix.PerspectiveFovLH, Matrix.OrthoLH, and all their friends. Go read it.