openscad/BOSL2
1
0
Fork 0
mirror of https://github.com/revarbat/BOSL2.git synced 2025-08-31 17:52:00 +02:00
Code Issues Projects Releases Wiki Activity

Merge branch 'master' into master

Browse Source
This commit is contained in:
Revar Desmera
2020-03-22 21:42:14 -07:00
committed by GitHub
parent 187311c484 e296c3137e
commit a9e72f06da
19 changed files with 520 additions and 352 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
vnf.scad
View File

@@ -24,8 +24,17 @@ EMPTY_VNF = [[],[]]; // The standard empty VNF with no vertices or faces.
// Function: is_vnf()
// Description: Returns true if the given value looks passingly like a VNF structure.
function is_vnf(x) = is_list(x) && len(x)==2 && is_list(x[0]) && is_list(x[1]) && (x[0]==[] || is_vector(x[0][0])) && (x[1]==[] || is_vector(x[1][0]));
// Usage:
// bool = is_vnf(x);
// Description:
// Returns true if the given value looks like a VNF structure.
function is_vnf(x) =
is_list(x) &&
len(x)==2 &&
is_list(x[0]) &&
is_list(x[1]) &&
(x[0]==[] || (len(x[0])>=3 && is_vector(x[0][0]))) &&
(x[1]==[] || is_vector(x[1][0]));
// Function: is_vnf_list()
@@ -73,7 +82,7 @@ function vnf_quantize(vnf,q=pow(2,-12)) =
// vnf4 = vnf_get_vertex(vnf3, p=[[1,3,2],[3,2,1]]); // Returns: [[1,2], [[[3,5,8],[3,2,1],[1,3,2]],[]]]
function vnf_get_vertex(vnf=EMPTY_VNF, p) =
is_path(p)? _vnf_get_vertices(vnf, p) :
assert(is_vnf(vnf))
assert(is_list(vnf) && len(vnf)==2 && is_list(vnf[0]) && is_list(vnf[1]), "Argument vnf should contain a VNF structure.")
assert(is_vector(p))
let(
v = search([p], vnf[0])[0]