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optimization

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This commit is contained in:
Justin Lin 2022-05-02 09:05:07 +08:00
parent 99ee4e4e74
commit f791eccf25
1 changed files with 11 additions and 11 deletions
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22
src/noise/_impl/_nz_cell_impl.scad
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@ -18,15 +18,15 @@ function _nz_cell_classic(cells, p, dist) =
function _nz_cell_border(cells, p) = function _nz_cell_border(cells, p) =
let( let(
dists = [ dists = [for(cell = cells) norm(cell - p)],
for(cell = cells) m1 = min(dists),
[each cell, norm(cell - p)] i1 = search(m1, dists)[0],
], dists2 = [for(i = [0:len(dists) - 1]) if(i != i1) dists[i]],
idx = len(cells[0]), cells2 = [for(i = [0:len(cells) - 1]) if(i != i1) cells[i]],
sorted_dists = sorted(dists, key = function(elem) elem[idx]), m2 = min(dists2),
sorted0 = sorted_dists[0], i2 = search(m2, dists2)[0],
sorted1 = sorted_dists[1], fst = cells[i1],
a = [for(i = [0:idx - 1]) sorted0[i]], snd = cells2[i2],
m = (a + [for(i = [0:idx - 1]) sorted1[i]]) / 2 m = (fst + snd) / 2
) )
(p - m) * (a - m); (p - m) * (fst - m);