kicad/3d-viewer/3d_cache/sg/sg_coordindex.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 Cirilo Bernardo <cirilo.bernardo@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file sg_coordindex.h
* defines an coordinate index set for a scenegraph object
*/
#ifndef SG_COORDINDEX_H
#define SG_COORDINDEX_H
#include "3d_cache/sg/sg_index.h"
/**
* SGCOORDINDEX
* is a class which maintains a coordinate index list. Users
* must ensure that coordinate indices are specified as
* triplets (triangular faces) since no checking is performed.
* In instances where it is not possible to determine which
* side of the triangle is to be rendered (for example IGES
* entities) then the user must supply each triplet in both
* point orders.
*/
class SGCOORDINDEX : public SGINDEX
{
public:
SGCOORDINDEX( SGNODE* aParent );
virtual ~SGCOORDINDEX();
/**
* Function GatherCoordIndices
* adds all coordinate indices to the given list
* in preparation for a normals calculation
*/
void GatherCoordIndices( std::vector< int >& aIndexList );
};
#endif // SG_COORDINDEX_H