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Code Issues Releases Wiki Activity

supported twist

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Justin Lin
2017-05-02 17:57:16 +08:00
parent a9ca2609ee
commit 5ece18500a
1 changed files with 7 additions and 2 deletions
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9
src/path_extrude.scad
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@@ -13,7 +13,7 @@
* *
**/ **/
module path_extrude(shape_pts, path_pts, triangles = "RADIAL", scale = 1.0) { module path_extrude(shape_pts, path_pts, triangles = "RADIAL", twist = 0, scale = 1.0) {
function first_section() = function first_section() =
let( let(
p1 = path_pts[0], p1 = path_pts[0],
@@ -31,6 +31,7 @@ module path_extrude(shape_pts, path_pts, triangles = "RADIAL", scale = 1.0) {
len_path_pts = len(path_pts); len_path_pts = len(path_pts);
scale_step = (scale - 1) / (len_path_pts - 1); scale_step = (scale - 1) / (len_path_pts - 1);
twist_step = twist / (len_path_pts - 1);
function section(p1, p2, i) = function section(p1, p2, i) =
let( let(
@@ -43,7 +44,11 @@ module path_extrude(shape_pts, path_pts, triangles = "RADIAL", scale = 1.0) {
) )
[ [
for(p = shape_pts) for(p = shape_pts)
rotate_p(p * (1 + scale_step * i) + [0, 0, length], [0, ay, az]) + p1 rotate_p(
rotate_p(p * (1 + scale_step * i), twist_step * i) + [0, 0, length],
[0, ay, az]
) + p1
//rotate_p(p * (1 + scale_step * i) + [0, 0, length], [0, ay, az]) + p1
]; ];