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//
// Filename : CulledOccluderSource.h
// Author(s) : Alexander Beels
// Purpose : Class to define a cell grid surrounding
// the projected image of a scene
// Date of creation : 2010-12-21
//
///////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) : Please refer to the COPYRIGHT file distributed
// with this source distribution.
//
// 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, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef CULLEDOCCLUDERSOURCE_H
#define CULLEDOCCLUDERSOURCE_H
#include "OccluderSource.h"
#include "ViewMap.h"
class CulledOccluderSource : public OccluderSource {
// Disallow copying and assignment
CulledOccluderSource (const CulledOccluderSource& other);
CulledOccluderSource& operator= (const CulledOccluderSource& other);
public:
CulledOccluderSource (const GridHelpers::Transform& transform, WingedEdge& we, ViewMap& viewMap, bool extensiveFEdgeSearch = true);
virtual ~CulledOccluderSource();
void cullViewEdges(ViewMap& viewMap, bool extensiveFEdgeSearch);
bool next();
void getOccluderProscenium(real proscenium[4]);
private:
bool testCurrent();
void expandGridSpaceOccluderProscenium(FEdge* fe);
real occluderProscenium[4];
real gridSpaceOccluderProscenium[4];
unsigned long rejected;
bool gridSpaceOccluderProsceniumInitialized;
};
#endif // CULLEDOCCLUDERSOURCE_H
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