From 4026a206b6550e78a4475135275f94c6cea3a137 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Sat, 22 Feb 2020 09:58:19 +0800
Subject: [PATCH] add intersection_p

---
 src/experimental/intersection_p.scad | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 src/experimental/intersection_p.scad

diff --git a/src/experimental/intersection_p.scad b/src/experimental/intersection_p.scad
new file mode 100644
index 00000000..563a9218
--- /dev/null
+++ b/src/experimental/intersection_p.scad
@@ -0,0 +1,9 @@
+use <__comm__/__line_intersection.scad>;
+use <__comm__/__in_line.scad>;
+
+function intersection_p(line_pts1, line_pts2, ext = false, epsilon = 0.0001) =
+     let(
+         pt = __line_intersection(line_pts1, line_pts2, epsilon)
+     )
+     ext ? pt :
+     pt != [] && __in_line(line_pts1, pt, epsilon) && __in_line(line_pts2, pt, epsilon) ? pt : [];
\ No newline at end of file