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used concat directly

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Justin Lin 2017-05-10 14:47:04 +08:00
parent b8729eaab8
commit a03ecc9ee8
1 changed files with 11 additions and 12 deletions
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23
src/polysections.scad
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@ -27,24 +27,23 @@ module polysections(sections, triangles = "RADIAL") {
);
}
function flat(vector, i = 0) =
i == len(vector) ? [] :
concat(vector[i], flat(vector, i + 1));
function hollow_tris() =
let(
leng_section = len(sections[0]),
inner_i_begin = leng_section / 2,
pair_idxes = [for(i = [0:inner_i_begin - 1])
let(n = inner_i_begin + i + 1)
pair_idxes = concat(
[
[i, inner_i_begin + i, n % inner_i_begin + inner_i_begin],
[i, i + 1, n % leng_section]
for(i = [0:inner_i_begin - 1])
let(n = inner_i_begin + i + 1)
[i, inner_i_begin + i, n % inner_i_begin + inner_i_begin]
],
[
for(i = [0:inner_i_begin - 1])
let(n = inner_i_begin + i + 1)
[i, i + 1, n % leng_section]
]
]
) flat(pair_idxes);
)
) pair_idxes;
function tris() = triangles == "RADIAL" ? __triangles_radial(sections[0]) :
(