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Rotate Point Around Point (Golfed)

  1.   rot = (
  2.     cx, cy, X, Y, ang,
  3.     cos = Math.cos(-ang),
  4.     sin = Math.sin(-ang),
  5.     x = cos * (X - cx) + sin * (Y - cy) + cx,
  6.     y = cos * (Y - cy) - sin * (X - cx) + cy) => ({ x, y })

Rotate one point around another… I like to use something like this when speed-coding and golfing…

snippet.zone ~ 2021-22 /// {s/z}