openscad/dotSCAD
1
0
Fork 0
mirror of https://github.com/JustinSDK/dotSCAD.git synced 2025-03-14 02:59:42 +01:00
Code Issues Releases Wiki Activity

add platonic_solid_frame

Browse Source
This commit is contained in:
Justin Lin 2021-10-26 09:33:47 +08:00
parent c6b0c30fd8
commit 8dad1bd4b6
2 changed files with 42 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
examples/platonic_solid_frame.scad Normal file
View File

@ -0,0 +1,40 @@
use <util/map/hashmap.scad>;
use <util/map/hashmap_get.scad>;
use <polyhedra/geom_tetrahedron.scad>;
use <polyhedra/geom_hexahedron.scad>;
use <polyhedra/geom_octahedron.scad>;
use <polyhedra/geom_dodecahedron.scad>;
use <polyhedra/geom_icosahedron.scad>;
use <experimental/polyhedron_frame.scad>;
number_of_faces = 8; // [3, 6, 8, 12, 20]
radius = 10;
deep = 1;
outer_thickness = .5;
inner_thickness = .5;
detail = 1;
platonic_solid_frame(number_of_faces, radius, deep, outer_thickness, inner_thickness, detail);
module platonic_solid_frame(number_of_faces, radius, deep, outer_thickness, inner_thickness, detail) {
polyhedra = hashmap([
[3, function(r, d) geom_tetrahedron(r, d)],
[6, function(r, d) geom_hexahedron(r, d)],
[8, function(r, d) geom_octahedron(r, d)],
[12, function(r, d) geom_dodecahedron(r, d)],
[20, function(r, d) geom_icosahedron(r, d)],
]);
f_polyhedron = hashmap_get(polyhedra, number_of_faces);
geom = f_polyhedron(radius, detail);
polyhedron_frame(
geom[0],
geom[1],
deep,
outer_thickness,
inner_thickness,
[for(p = geom[0]) p / norm(p)]
);
}

4
src/experimental/polyhedron_frame.scad
View File

@ -2,7 +2,7 @@ use <convex_offset.scad>;
use <__comm__/_vertex_normals.scad>;
use <util/reverse.scad>;
module polyhedron_frame(points, faces, deep, outer_thickness, inner_thickness = 0) {
module polyhedron_frame(points, faces, deep, outer_thickness, inner_thickness = 0, normals = undef) {
function hollow_face(pts, inner_pts) =
let(
leng = len(pts),
@ -87,7 +87,7 @@ module polyhedron_frame(points, faces, deep, outer_thickness, inner_thickness =
leng_faces = len(faces);
vx_normals = _vertex_normals(points, faces);
vx_normals = is_undef(normals) ? _vertex_normals(points, faces) : normals;
inner_pts = [
for(i = [0:len(vx_normals) - 1])
points[i] - vx_normals[i] * deep