openscad/NopSCADlib
1
0
Fork 0
mirror of https://github.com/nophead/NopSCADlib.git synced 2025-08-31 11:01:55 +02:00
Code Issues Releases Wiki Activity

changes after review

Browse Source
This commit is contained in:
SmoothieAq
2021-03-14 12:48:14 +01:00
parent 240334784d
commit 573c50774b
3 changed files with 21 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
utils/maths.scad
View File

@@ -155,7 +155,6 @@ function circle_intersect(c1, r1, c2, r2) = //! Calculate one point where tw
a = atan2(v.z, v.x) - acos((sqr(d) + sqr(r2) - sqr(r1)) / (2 * d * r2)) // Cosine rule to find angle from c2
) c2 + r2 * [cos(a), 0, sin(a)]; // Point on second circle
function slice(v, range) = [ for (i = range) v[i] ]; //! slice a section of a vector v, takes elements from v with index in the range
function map(v, func) = [ for (e = v) func(e) ]; //! make a new vector where the func function argument is applied to each element of the vector v
function mapi(v, func) = [ for (i = [0:len(v)-1]) func(i,v[i]) ]; //! make a new vector where the func function argument is applied to each element of the vector v. The func will get the index number as first argument, and the element as second argument.
function reduce(v, func, unity) = let ( r = function(i,val) i == len(v) ? val : r(i + 1, func(val, v[i])) ) r(0, unity); //! reduce a vector v to a single entity by applying the func function recursivly to the reduced value so far and the next element, starting with unity as the inital reduced value