From b7b972cca003f32d1bfb64df5d07911ef09fa195 Mon Sep 17 00:00:00 2001
From: Christian Hodgden <chrhodgden@gmail.com>
Date: Fri, 26 Jul 2024 16:49:40 -0500
Subject: moved bezier.scad to lib directory

---
 lib/bezier.scad | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 lib/bezier.scad

(limited to 'lib/bezier.scad')

diff --git a/lib/bezier.scad b/lib/bezier.scad
new file mode 100644
index 0000000..8fb41e9
--- /dev/null
+++ b/lib/bezier.scad
@@ -0,0 +1,12 @@
+
+function de_casteljau(points, t) = 
+	len(points) == 1 ?
+	points[0] : 
+	de_casteljau(
+		[for (i = [0:len(points)-2]) (1 - t) * points[i] + t * points[i + 1]], 
+		t
+	) ;
+
+function bezier_curve(points, $fn=$fn) = 
+	[for (i = [0:$fn]) de_casteljau(points, i / $fn)] ;
+
-- 
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