From a396182815db14f5a6eed26799dd425506a70686 Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Tue, 8 Oct 2024 17:32:09 -0700
Subject: Add fog parameters; add Unity fog to fwd/add passes

---
 math.cginc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'math.cginc')

diff --git a/math.cginc b/math.cginc
index 46e19e1..968f888 100644
--- a/math.cginc
+++ b/math.cginc
@@ -3,6 +3,13 @@
 #ifndef __MATH_INC
 #define __MATH_INC
 
+// Hacky parameterizable whiteout blending. Probably some big mistakes but it
+// passes the eyeball test.
+// At w=0.5, this looks kinda like whiteout blending.
+// At w=0, this returns n0.
+// At w=1, this returns n1.
+#define MY_BLEND_NORMALS(n0, n1, w) normalize(float3((n0.xy * (1 - w) + n1.xy * w), lerp(1, n0.z, (1-w)) * lerp(1, n1.z, w)))
+
 // Complex numbers
 typedef float2 complex;
 
-- 
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