From a51f46a038762a949c5a4ef7f12cff9f879f8dc2 Mon Sep 17 00:00:00 2001
From: numzero <numzer0@yandex.ru>
Date: Mon, 24 Nov 2025 00:19:28 +0300
Subject: [PATCH] fix a bug

it's invisible with Lambertian model though
---
 src/lib.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index a6a1101..f2f9c39 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -309,7 +309,8 @@ impl Core {
 					assert!(hit.incident.dir.is_normalized());
 					let reflector = Lambertian;
 					let in_lm = 1.0;
-					let out_cd = in_lm * reflector.brdf(hit.normal, hit.incident.dir, -ray.dir);
+					let out_cd =
+						in_lm * reflector.brdf(light_hit.normal, light_hit.incident.dir, -ray.dir);
 					let weight = accum_normalizator * (-0.5 * d2 / sigma2).exp();
 					total_cd += weight * out_cd;
 				}