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Fix transformation order in pivot documentation #71

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@ekzhang ekzhang commented Jul 4, 2022

Hi @baku89, thank you for creating glisp. I really like the user interface and am trying to learn the language right now.

While reading the tutorial I saw two things in the transform documentation:

  • Extra (mat2d/*) in the first pivot example that only had 1 argument, so it was a no-op. I was confused by this part at first, but when I removed it nothing changed.
  • The "equivalent code" for pivot seems to have the order of transformations reversed. The [-20 -20] translation should be the last argument (applied first), rather than the first one (applied last).

Very small fix, I'll update the jp version code as well.

Previously the transformation order was incorrect for explaining the behavior of the `(pivot)` function.
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