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refactor: use contains/reverse

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Justin Lin
2022-04-28 09:02:17 +08:00
parent b621da6e42
commit d06455082e
1 changed files with 7 additions and 4 deletions
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11
src/surface/sf_thickenT.scad
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@@ -8,15 +8,18 @@
*
**/
use <../__comm__/__to2d.scad>;
use <../__comm__/_face_normal.scad>;
use <../util/sorted.scad>;
use <../util/sum.scad>;
use <../util/contains.scad>;
use <../util/reverse.scad>;
use <../surface/sf_solidifyT.scad>;
use <../triangle/tri_delaunay.scad>;
module sf_thickenT(points, thickness, triangles = undef, direction = "BOTH", convexity = 1) {
// triangles : counter-clockwise
real_triangles = is_undef(triangles) ? tri_delaunay([for(p = points) [p.x, p.y]]) : triangles;
real_triangles = is_undef(triangles) ? tri_delaunay([for(p = points) __to2d(p)]) : triangles;
function connected_tris(leng_pts, triangles) =
let(
@@ -28,12 +31,12 @@ module sf_thickenT(points, thickness, triangles = undef, direction = "BOTH", con
function _connected_tris(triangles, leng, leng_pts, cnt_tris, i = 0) =
i == leng ? cnt_tris :
let(
tri = triangles[i],
tri = reverse(triangles[i]),
n_cnt_tris = [
for(k = [0:leng_pts - 1])
search([k], tri)[0] != [] ?
contains(tri, k) ?
// OpenSCAD requires clockwise
[each cnt_tris[k], [tri[2], tri[1], tri[0]]] : cnt_tris[k]
[each cnt_tris[k], tri] : cnt_tris[k]
]
)
_connected_tris(triangles, leng, leng_pts, n_cnt_tris, i + 1);