Direction

The direction of a pattern is defined by the way the pattern, or a part of it, reappears in a different area.

For spaceships, puffers, rakes and certain breeders, this is defined as orthogonal (exclusively horizontal or vertical displacement), diagonal (both horizontal and vertical displacement, and oblique (other displacements, for example knightwise being horizontal being twice vertical displacement).

Also see
gollark: But what if I said it if you were wrong, to misdirect you confusingly?
gollark: Thus bee.
gollark: But if I did a simple one and chatted about my style lots, I could have expected this to cause people to expect that I had done a more complicated one.
gollark: Oh, I looked it up and the thing people who wrote```pythondef entry(x): return sorted(x)```failed to do is "eta reduction".
gollark: osmarks internet radio™
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