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add midpt_smooth

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Justin Lin 2019-05-28 07:29:40 +08:00
parent 4e1eca2df2
commit 04fd1590a7
1 changed files with 11 additions and 0 deletions
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src/midpt_smooth.scad Normal file
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function _midpt_smooth_sub(points, iend, i, closed = false) =
i == iend ? (
closed ? [(points[i] + points[0]) / 2]
: []
) : concat([(points[i] + points[i + 1]) / 2], _midpt_smooth_sub(points, iend, i + 1, closed));
function midpt_smooth(points, n, closed = false) =
let(
smoothed = _midpt_smooth_sub(points, len(points) - 1, 0, closed)
)
n == 1 ? smoothed : midpt_smooth(smoothed, n - 1, closed);