1 files changed, 37 insertions, 0 deletions
diff --git a/public/mathlib/bumpvects.h b/public/mathlib/bumpvects.h
new file mode 100644
index 0000000..6939ca0
--- /dev/null
+++ b/public/mathlib/bumpvects.h
@@ -0,0 +1,37 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef BUMPVECTS_H
+#define BUMPVECTS_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "mathlib/mathlib.h"
+
+#define OO_SQRT_2 0.70710676908493042f
+#define OO_SQRT_3 0.57735025882720947f
+#define OO_SQRT_6 0.40824821591377258f
+// sqrt( 2 / 3 )
+#define OO_SQRT_2_OVER_3 0.81649661064147949f
+
+#define NUM_BUMP_VECTS 3
+
+const TableVector g_localBumpBasis[NUM_BUMP_VECTS] = 
+{
+	{	OO_SQRT_2_OVER_3, 0.0f, OO_SQRT_3 },
+	{  -OO_SQRT_6, OO_SQRT_2, OO_SQRT_3 },
+	{  -OO_SQRT_6, -OO_SQRT_2, OO_SQRT_3 }
+};
+
+void GetBumpNormals( const Vector& sVect, const Vector& tVect, const Vector& flatNormal, 
+					 const Vector& phongNormal, Vector bumpNormals[NUM_BUMP_VECTS] );
+
+#endif // BUMPVECTS_H