Category Archives: Uncategorized

Composing Rotations

Posted on September 6, 2011 by

Here’s why programmers don’t need to remember the details of rotating around an arbitrary axis: Rotations are closed under composition. All you need to do is compose rotations around the object’s cardinal axes.

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Vectors Just Want To Be Free

Posted on September 1, 2011 by

Remember, while we may draw vectors at a particular position (for example with their tails at the origin), they really don’t have a sense of place. All they have is a magnitude and a direction. If you’re unclear on the … Continue reading →

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Lecture Notes Being Alpha Tested

Posted on September 1, 2011 by

I have lecture notes for all except the last 3 chapters, but I’m not quite ready to release them yet. I’m alpha-testing them in my Game Math and Physics class (see http://larc.unt.edu/ian/classes/fall11/csce4215/) to make sure that they’re just right. More … Continue reading →

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2nd Edition Coming In September

Posted on September 1, 2011 by

Preorder it right now!

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