openscad/dotSCAD
1
0
Fork 0
mirror of https://github.com/JustinSDK/dotSCAD.git synced 2025-08-20 13:31:30 +02:00
Code Issues Releases Wiki Activity

wrong commit

Browse Source
This commit is contained in:
Justin Lin
2020-03-02 16:12:29 +08:00
parent 0dab066caa
commit 6cdd6a0049
1 changed files with 10 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/experimental/convex_hull.scad
View File

@@ -1,28 +1,11 @@
use <hull_polyline2d.scad>; use <experimental/_impl/_convex_hull_impl.scad>;
use <experimental/voronoi_lines.scad>;
use <experimental/convex_hull.scad>;
pt_nums = 50; function convex_hull(points) =
width = 1; let(
points = [for(i = [0:pt_nums - 1]) rands(-50, 50, 2)]; sorted = _convex_hull_sort_by_xy(points),
leng = len(sorted),
intersection() { lwr_ch = _convex_hull_lower_chain(sorted, leng, [], 0, 0),
for(line = voronoi_lines(points)) { leng_lwr_ch = len(lwr_ch),
hull_polyline2d( chain = _convex_hull_upper_chain(sorted, lwr_ch, leng_lwr_ch, leng_lwr_ch + 1, leng - 2)
line, )
width = width, [for(i = [0:len(chain) - 2]) chain[i]];
$fn = 4
);
}
hull()
#for(p = points) {
translate(p)
circle(.5);
}
}
hull_pts = convex_hull(points);
hull_polyline2d(
concat(hull_pts, [hull_pts[0]]),
width = width, $fn = 4
);