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• DirectX Matrix Multiply

  Just in case it's driving you nuts too, I've just rediscovered something. I'd be happy to be proved wrong, but I've been drawing pictures of axes for an hour now (sad, I know), and I'm satisfied I'm right. You might imagine that... Matrix m1 = ... Matrix Read More... Posted Saturday, August 06, 2005 3:11 PM by MikePelton | 0 Comments Filed under: DirectX

• Games Programmers - While Away These Long Winter Nights

  I've been out of the blogosphere for a little while, partly because I've had my nose buried in some very good books. At the European Games Developers’ Conference last September I realised how little I knew about some of the key areas of gaming technology, Read More... Posted Friday, January 28, 2005 2:49 PM by MikePelton | 2 Comments Filed under: DirectX

• Matrix Mysteries II: The XYZ Matrix

  I know I promised not to be so dull in future, but enough people seem to share my curiosity about what goes on inside DirectX matrices for it to be worth publishing the details of DX's other pre-defined matrix form, the XYZ matrix. So, if I create rotation Read More... Posted Monday, November 15, 2004 12:14 PM by MikePelton | 2 Comments Filed under: DirectX

• The Mysteries of the DirectX Roll Pitch Yaw Matrix

  I know, I know - it' s been keeping you awake too... I've no desire to enhance my well-deserved reputation for being interested in things that could induce narcolepsy in an insomniac, but it took me a fair few hours to get to the bottom of how DirectX Read More... Posted Friday, October 29, 2004 6:32 AM by MikePelton | 1 Comments Filed under: DirectX