openscad/dotSCAD
1
0
Fork 0
mirror of https://github.com/JustinSDK/dotSCAD.git synced 2025-08-17 20:11:50 +02:00
Code Issues Releases Wiki Activity

support 2D shape_pts

Browse Source
This commit is contained in:
Justin Lin
2017-05-09 14:45:46 +08:00
parent 530ab4bc56
commit 0f5153f642
1 changed files with 5 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/path_extrude.scad
View File

@@ -14,9 +14,11 @@
**/
include <__private__/__is_vector.scad>;
include <__private__/__to3d.scad>;
module path_extrude(shape_pts, path_pts, triangles = "RADIAL", twist = 0, scale = 1.0, closed = false) {
sh_pts = len(shape_pts[0]) == 3 ? shape_pts : [for(p = shape_pts) __to3d(p)];
len_path_pts = len(path_pts);
len_path_pts_minus_one = len_path_pts - 1;
@@ -39,7 +41,7 @@ module path_extrude(shape_pts, path_pts, triangles = "RADIAL", twist = 0, scale
az = atan2(dy, dx)
)
[
for(p = shape_pts)
for(p = sh_pts)
rotate_p(p, [0, ay, az]) + p1
];
@@ -53,7 +55,7 @@ module path_extrude(shape_pts, path_pts, triangles = "RADIAL", twist = 0, scale
az = atan2(dy, dx)
)
[
for(p = shape_pts)
for(p = sh_pts)
let(scaled_p = [p[0] * (1 + scale_step_x * i), p[1] * (1 + scale_step_y * i), p[2]])
rotate_p(
rotate_p(scaled_p, twist_step * i) + [0, 0, length],