From 20c32dcb055058b770062b7e9dd07f79d33a8caa Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Tue, 11 Feb 2025 16:54:10 -0800
Subject: Add code

Implement basic diffuse and specular BRDF based heavily on silent's
filamented shader.
---
 math.cginc | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 math.cginc

(limited to 'math.cginc')

diff --git a/math.cginc b/math.cginc
new file mode 100644
index 0000000..a12040a
--- /dev/null
+++ b/math.cginc
@@ -0,0 +1,15 @@
+#ifndef __MATH_INC
+#define __MATH_INC
+
+#define PI 3.14159265358979323846264
+#define TAU (2 * PI)
+
+float pow5(float x)
+{
+  float tmp = x * x;
+  return (tmp * tmp) * x;
+}
+
+#endif  // __MATH_INC
+
+
-- 
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