38 lines
914 B
C
38 lines
914 B
C
//========= 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
|