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support 3d point

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This commit is contained in:
Justin Lin 2019-06-08 08:02:41 +08:00
parent aabc373798
commit f6a1050a01
1 changed files with 9 additions and 4 deletions
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13
src/in_polyline.scad
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@ -1,11 +1,16 @@
include <__private__/__to3d.scad>;
include <__private__/__in_line2d.scad>;
function _in_polyline_sub(line_pts, pt, epsilon, iend, i = 0) =
function _in_polyline_sub(pts, pt, epsilon, iend, i = 0) =
i == iend ? false : (
__in_line2d([line_pts[i], line_pts[i + 1]], pt, epsilon) ? true :
_in_polyline_sub(line_pts, pt, epsilon, iend, i + 1)
__in_line2d([pts[i], pts[i + 1]], pt, epsilon) ? true :
_in_polyline_sub(pts, pt, epsilon, iend, i + 1)
);
function in_polyline(line_pts, pt, epsilon = 0.0001) =
_in_polyline_sub(line_pts, pt, epsilon, len(line_pts) - 1);
let(
pts = len(line_pts[0]) == 2 ? [for(pt = line_pts) __to3d(pt)] : line_pts,
pt3d = len(pt) == 2 ? __to3d(pt) : pt
)
_in_polyline_sub(pts, pt3d, epsilon, len(pts) - 1);