From 3873c9a557f4ce0e70969a5a92d1287e1c7464fa Mon Sep 17 00:00:00 2001
From: numzero <numzer0@yandex.ru>
Date: Fri, 9 Oct 2026 02:11:35 +0300
Subject: [PATCH] fix involute gear cutting

it had the same bug bevel gear cutting did. how surprising...
---
 src/main.rs | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 10b123e..fa42271 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -195,13 +195,14 @@ fn main() {
 				};
 
 				for (k, r) in inv_shape.iter_mut().enumerate() {
-					loop {
-						let xy = kr_to_xy(k, *r);
+					let mut test_r = *r;
+					while test_r > r_pitch - gear_profile_adj.dedendum {
+						let xy = kr_to_xy(k, test_r);
 						let cut_y = inv_cutter_y_at_x(xy.x);
-						if cut_y < xy.y {
-							break;
+						if cut_y > xy.y {
+							*r = test_r;
 						}
-						*r -= 0.01;
+						test_r -= 0.01;
 					}
 				}