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refactor

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This commit is contained in:
Justin Lin
2021-07-10 09:36:10 +08:00
parent d6505ca082
commit 90831fb216
1 changed files with 7 additions and 19 deletions
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26
src/surface/sf_thickenT.scad
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@@ -10,7 +10,6 @@
use <../util/sort.scad>;
use <../util/find_index.scad>;
use <../util/slice.scad>;
use <../util/sum.scad>;
use <../surface/sf_solidifyT.scad>;
use <../triangle/tri_delaunay.scad>;
@@ -28,29 +27,18 @@ module sf_thickenT(points, thickness, triangles = undef, direction = "BOTH") {
leng = len(triangles),
cnt_tris = [for(i = [0:leng_pts - 1]) []]
)
_connected_tris(triangles, leng, cnt_tris);
_connected_tris(triangles, leng, leng_pts, cnt_tris);
function _connected_tris(triangles, leng, cnt_tris, i = 0) =
function _connected_tris(triangles, leng, leng_pts, cnt_tris, i = 0) =
i == leng ? cnt_tris :
let(
tri = sort(triangles[i], by = ascending),
b0 = cnt_tris[tri[0]],
b1 = cnt_tris[tri[1]],
b2 = cnt_tris[tri[2]],
nb0 = concat(b0, [triangles[i]]),
nb1 = concat(b1, [triangles[i]]),
nb2 = concat(b2, [triangles[i]]),
n_cnt_tris = concat(
slice(cnt_tris, 0, tri[0]),
[nb0],
slice(cnt_tris, tri[0] + 1, tri[1]),
[nb1],
slice(cnt_tris, tri[1] + 1, tri[2]),
[nb2],
slice(cnt_tris, tri[2] + 1)
)
n_cnt_tris = [
for(k = [0:leng_pts - 1])
find_index(tri, function(e) e == k) != -1 ? concat(cnt_tris[k], [triangles[i]]) : cnt_tris[k]
]
)
_connected_tris(triangles, leng, n_cnt_tris, i + 1);
_connected_tris(triangles, leng, leng_pts, n_cnt_tris, i + 1);
function tri_normal(tri) =
let(v = cross(tri[2] - tri[0], tri[1] - tri[0])) v / norm(v);