From 22f8d6599178184f36361c83cff366eb38fc6b99 Mon Sep 17 00:00:00 2001
From: Revar Desmera <revarbat@gmail.com>
Date: Sat, 25 Apr 2020 14:44:41 -0700
Subject: [PATCH] Example image bugfixes.

---
 beziers.scad        |  6 +++---
 involute_gears.scad | 18 ++++++++++--------
 version.scad        |  2 +-
 3 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/beziers.scad b/beziers.scad
index e6116a4..d75e2e2 100644
--- a/beziers.scad
+++ b/beziers.scad
@@ -465,7 +465,7 @@ function bezier_close_to_axis(bezier, N=3, axis="X") =
 //   closed = bezier_offset([-5,0], bez);
 //   trace_bezier(closed, size=1);
 function bezier_offset(offset, bezier, N=3) =
-	assert(is_num(offset))
+	assert(is_vector(offset,2))
 	assert(is_path(bezier,2), "bezier_offset() can only work on 2D bezier paths.")
 	assert(is_int(N))
 	assert(len(bezier)%N == 1, str("A degree ",N," bezier path shound have a multiple of ",N," points in it, plus 1."))
@@ -660,8 +660,8 @@ module bezier_sweep_bezier(bezier, path, pathsteps=16, bezsteps=16, bezN=3, path
 	assert(is_int(bezsteps));
 	assert(is_int(bezN));
 	assert(is_int(pathN));
-	assert(len(bezier)%bezN == 1, str("For argument bezier, a degree ",N," bezier path shound have a multiple of ",N," points in it, plus 1."));
-	assert(len(path)%pathN == 1, str("For argument bezier, a degree ",N," bezier path shound have a multiple of ",N," points in it, plus 1."));
+	assert(len(bezier)%bezN == 1, str("For argument bezier, a degree ",bezN," bezier path shound have a multiple of ",bezN," points in it, plus 1."));
+	assert(len(path)%pathN == 1, str("For argument bezier, a degree ",pathN," bezier path shound have a multiple of ",pathN," points in it, plus 1."));
 	bez_points = simplify_path(bezier_polyline(bezier, bezsteps, bezN));
 	path_points = simplify_path(path3d(bezier_polyline(path, pathsteps, pathN)));
 	path_sweep(bez_points, path_points);
diff --git a/involute_gears.scad b/involute_gears.scad
index 55fdc10..8b080d9 100644
--- a/involute_gears.scad
+++ b/involute_gears.scad
@@ -517,14 +517,16 @@ module bevel_gear(
 				),
 				pp = rot(theta, cp=spiral_cp, p=[0,Rm,0]),
 				ang = atan2(pp.y,pp.x)-90,
-				pts = apply_list(profile, [
-					move([0,-p,0]),
-					rot([0,ang,0]),
-					rot([bevelang,0,0]),
-					move(pp),
-					rot(tooth*360/teeth),
-					move([0,0,thickness*u])
-				])
+				pts = apply_list(
+					path3d(profile), [
+						move([0,-p,0]),
+						rot([0,ang,0]),
+						rot([bevelang,0,0]),
+						move(pp),
+						rot(tooth*360/teeth),
+						move([0,0,thickness*u])
+					]
+				)
 			) each pts
 		], [
 			[0,0,-dy], [0,0,thickness]
diff --git a/version.scad b/version.scad
index add2b84..1367658 100644
--- a/version.scad
+++ b/version.scad
@@ -8,7 +8,7 @@
 //////////////////////////////////////////////////////////////////////
 
 
-BOSL_VERSION = [2,0,280];
+BOSL_VERSION = [2,0,281];
 
 
 // Section: BOSL Library Version Functions