From caf02458737f93b20978f41613ad5b56e074e154 Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Wed, 12 Feb 2025 01:24:49 -0800
Subject: Add a bunch of features

* stereo instancing
* outlines
* shadows (casting & receiving)
* unity fog
* blend modes
* wrapped lighting (generalized half lambertian)
  * diffuse & specular have independent knobs

Also:

* fix bug where shadow caster wouldn't clip in cutout mode.
* remove a bunch of unused params
* use ifex to minimize size of locked materials (more to be done
  probably)
* improve formatting
---
 math.cginc | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'math.cginc')

diff --git a/math.cginc b/math.cginc
index a12040a..17ce86f 100644
--- a/math.cginc
+++ b/math.cginc
@@ -10,6 +10,11 @@ float pow5(float x)
   return (tmp * tmp) * x;
 }
 
+float wrapNoL(float NoL, float factor) {
+		// https://www.iro.umontreal.ca/~derek/files/jgt_wrap_final.pdf
+    return pow(max(1E-4, (NoL + factor) / (1 + factor)), 1 + factor);
+}
+
 #endif  // __MATH_INC
 
 
-- 
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