openscad/dotSCAD
1
0
Fork 0
mirror of https://github.com/JustinSDK/dotSCAD.git synced 2025-04-14 03:01:58 +02:00
Code Issues Releases Wiki Activity

fixed incorrect orientation

Browse Source
This commit is contained in:
Justin Lin 2017-05-16 17:29:29 +08:00
parent 264d7b608a
commit 86280b5724
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/helix_extrude.scad
View File

@ -16,6 +16,13 @@ include <__private__/__frags.scad>;
module helix_extrude(shape_pts, radius, levels, level_dist,
vt_dir = "SPI_DOWN", rt_dir = "CT_CLK",
twist = 0, scale = 1.0, triangles = "SOLID") {
function reverse(vt) =
let(leng = len(vt))
[
for(i = [0:leng - 1])
vt[leng - 1 - i]
];
is_vt = __is_vector(radius);
r1 = is_vt ? radius[0] : radius;
@ -39,8 +46,9 @@ module helix_extrude(shape_pts, radius, levels, level_dist,
rt_dir = rt_dir
);
angles = [for(i = [0:len(path_points) - 1]) [90 + initial_angle, 0, angle_step * i]];
clk_a = r_dir == 1 ? 0 : 180;
angles = [for(i = [0:len(path_points) - 1]) [90 + initial_angle, 0, clk_a + angle_step * i]];
polysections(
cross_sections(shape_pts, path_points, angles, twist, scale),
triangles = triangles