42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
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Copyright (C) 1999-2006 Id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if !defined( INCLUDED_MD3NORMALS_H )
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#define INCLUDED_MD3NORMALS_H
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#include "render.h"
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typedef unsigned char byte;
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// latitude-longditude to normal conversion
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inline Normal3f DecodeNormal( const byte bytes[2] ){
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double lat = bytes[0] * ( c_pi / 128.0 );
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double lng = bytes[1] * ( c_pi / 128.0 );
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return Normal3f(
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static_cast<float>( cos( lat ) * sin( lng ) ),
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static_cast<float>( sin( lat ) * sin( lng ) ),
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static_cast<float>( cos( lng ) )
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);
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}
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#endif
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