From b79cded56a6669d616b2012d1de6d4861ba570f8 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Tue, 9 Feb 2021 10:38:24 +0800
Subject: [PATCH] add spherical_coordinate

---
 src/experimental/note.md      | 3 ++-
 src/spherical_coordinate.scad | 6 ++++++
 2 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 src/spherical_coordinate.scad

diff --git a/src/experimental/note.md b/src/experimental/note.md
index 9f522d97..09985ed6 100644
--- a/src/experimental/note.md
+++ b/src/experimental/note.md
@@ -10,4 +10,5 @@ dotSCAD 3.0 Dev
 
 New modules/functions
 
-- `some`
\ No newline at end of file
+- `spherical_coordinate`
+- `util/some`
diff --git a/src/spherical_coordinate.scad b/src/spherical_coordinate.scad
new file mode 100644
index 00000000..295315d5
--- /dev/null
+++ b/src/spherical_coordinate.scad
@@ -0,0 +1,6 @@
+use <__comm__/__angy_angz.scad>;
+
+function spherical_coordinate(point) = 
+    let(ayz = __angy_angz([0, 0, 0], point))
+    // mathematics, r, theta, phi 
+    [norm(point), ayz[1], ayz[0]];
\ No newline at end of file