From d0c27e80cefa593641f3525ef23e7fc5631b136b Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Sat, 24 Jan 2026 16:54:26 -0800
Subject: Add anisotropic reflections

---
 yum_pbr.cginc | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'yum_pbr.cginc')

diff --git a/yum_pbr.cginc b/yum_pbr.cginc
index 6049b35..2b746d5 100644
--- a/yum_pbr.cginc
+++ b/yum_pbr.cginc
@@ -327,6 +327,10 @@ YumPbr GetYumPbr(v2f i, f2f f) {
   result.emission += glitter_albedo.rgb * glitter_albedo.a * _Glitter_Emission;
 #endif
 
+#if defined(_ANISOTROPY)
+  result.binormal = normalize(cross(result.normal, i.tangent.xyz) * i.tangent.w);
+#endif
+
   return result;
 }
 
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