openscad/NopSCADlib
1
0
Fork 0
mirror of https://github.com/nophead/NopSCADlib.git synced 2025-08-09 08:56:29 +02:00
Code Issues Releases Wiki Activity

Added rd_cm_choke(), rd_coil() and spiral_wrap().

Browse Source 
Added 10mm ceramic disc capacitors.
This commit is contained in:
Chris Palmer
2024-09-30 01:58:04 +01:00
parent 6eba75a41d
commit e4b1b686ff
9 changed files with 253 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
utils/sweep.scad
View File

@@ -263,3 +263,29 @@ module show_path(path, r = 0.1) //! Show a path using a chain of hulls for debug
translate(path[i])
color("red") sphere($fn = 16, r * 4);
}
function move_along(j, z, path_S) =
j >= len(path_S) - 1 || z <= path_S[j] ? j : move_along(j + 1, z, path_S);
function spiral_wrap(path, profile, pitch, turns) = //! Create a path that spirals around the specified profile with the given pitch.
let(
transforms = sweep_transforms(path, loop = false, twist = 0),
plen = len(profile),
S = path_length(profile),
profile = [
for(i = 0, s = 0; i < plen; s = s + norm(profile[(i + 1) % plen] - profile[i]), i = i + 1)
let(p = profile[i]) [p.x, p.y, p.z + pitch * s / S, 1]
],
path_len = len(path),
path_S = [for(i = 0, s = 0; i < path_len; s = s + norm(path[(i + 1) % path_len] - path[i]), i = i + 1) s],
n = turns * plen,
) [
for(i = 0, j = 0, k = 0, zstep = 0;
i < n;
i = i + 1,
k = i % plen,
zstep = floor(i / plen) * pitch,
j = move_along(j, zstep + profile[k].z, path_S))
if(!i || k) (profile[k] + [0, 0, zstep - path_S[j], 0]) * transforms[j]
];