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I wrote a simple version of Google Earth for the Microsoft Surface in 2008 or so (back when Surface was a computer in the shape of a table with a touch interfac
by smilliken 8y ago
I wrote a simple version of Google Earth for the Microsoft Surface in 2008 or so (back when Surface was a computer in the shape of a table with a touch interface). I felt pretty smart when I invented quaternions using matrices for rotating the globe, and then later realized what I was doing.
- Ralith 8y ago> I invented quaternions using matrices what
- posterboy 8y agoAm I correct suspecting quaternions were tensors?
- jazzyjackson 8y agoI read that as "I was representing my dimensions as vectors and figured out a way to use 4D matricies for the math to work out and later found out that quaternions were a thing"
- dreamcompiler 8y agoYeah, no. If you're using matrix-based transforms, you're not using quaternions. Edit: I'm oversimplifying. There's no reason you can't use both. But if you're exclusively using matrices, then by definition you're not using quaternions.