From f7398f0d842b51ebc540c64a1c1e4763afbebcb7 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Wed, 19 Jun 2019 08:59:05 +0800
Subject: [PATCH] add px_polyline

---
 src/px_polyline.scad | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 src/px_polyline.scad

diff --git a/src/px_polyline.scad b/src/px_polyline.scad
new file mode 100644
index 00000000..26e50dd0
--- /dev/null
+++ b/src/px_polyline.scad
@@ -0,0 +1,11 @@
+include <__private__/__to3d.scad>;
+include <__private__/__to2d.scad>;
+include <__private__/__lines_from.scad>;
+
+function px_polyline(points) =
+    let(
+        is_2d = len(points[0]) == 2,
+        pts = is_2d ? [for(pt = points) __to3d(pt)] : points,
+        polyline = [for(line =  __lines_from(pts)) each px_line(line[0], line[1])]
+    )
+    is_2d ? [for(pt = polyline) __to2d(pt)] : polyline;
\ No newline at end of file