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refactor

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This commit is contained in:
Justin Lin 2021-10-15 10:20:18 +08:00
parent 59ae93ba5f
commit 37c3a647a5
1 changed files with 7 additions and 10 deletions
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17
src/polyhedra/_impl/_geom_platonic_polyhedra.scad
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@ -1,15 +1,12 @@
function _tri_subdivide(points, detail) =
let(
rows = detail + 1,
vc = points[2] - points[0],
vr = points[1] - points[0],
dr = vr / (detail + 1),
dc = vc / (detail + 1),
rows = detail + 1,
dr = (points[2] - points[0]) / rows,
dc = (points[1] - points[0]) / rows,
pts = [
for(ri = [0:rows])
let(cols = rows - ri)
for(ci = [0:cols])
points[0] + ci * dc + ri * dr
for(ci = [0:rows - ri])
points[0] + ci * dc + ri * dr
],
ri_base = [for(ri = 0, acc = 0; ri <= rows; ri = ri + 1, acc = acc + rows - ri + 2) acc],
idx = function(ci, ri) ci + ri_base[ri],
@ -17,7 +14,6 @@ function _tri_subdivide(points, detail) =
for(ri = [0:rows - 1])
let(cols = rows - ri - 1)
for(ci = [0:cols])
let(pre = 0)
each (ci == cols ?
[
[idx(ci, ri), idx(ci, ri + 1), idx(ci + 1, ri)]
@ -32,17 +28,18 @@ function _tri_subdivide(points, detail) =
[pts, faces];
function _subdivide_project(points, faces, radius, detail) =
detail == 0 ? [[for(p = points) p / norm(p) * radius], faces] :
let(
subdivided_all = [
for(face = faces)
_tri_subdivide([for(i = face) points[i]], detail)
],
pts_number_per_tri = len(subdivided_all[0][0]),
flatten_points = [
for(pts_faces = subdivided_all)
for(p = pts_faces[0])
p / norm(p) * radius
],
pts_number_per_tri = len(subdivided_all[0][0]),
flatten_faces = [
for(i = [0:len(subdivided_all) - 1])
let(faces = subdivided_all[i][1])