LeafTreatment.h

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/*
 * Copyright (C) <2012> <EDF-R&D> <FRANCE>
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef LEAF_TREATMENT_H
#define LEAF_TREATMENT_H
 
#include "Geometry/Shape.h"
 
#include <list>
 
namespace leafTreatment
{
 
enum treatment
{
    FIRST = 0,           
    ALL_BEFORE_TRIANGLE, 
    ALL_BEFORE_VISIBLE,  
    ALL                  
};
 
// This function is only used by grid accelerator
decimal keepFunction(treatment choice, std::list<Intersection>& currentIntersections, decimal currentTmin);
 
decimal keepFirst(std::list<Intersection>& currentIntersections, decimal currentTmin);
 
decimal keepAllBeforeTriangle(std::list<Intersection>& currentIntersections, decimal currentTmin);
 
decimal keepAllBeforeVisible(std::list<Intersection>& currentIntersections, decimal currentTmin);
 
decimal keepAll(std::list<Intersection>& currentIntersections, decimal currentTmin);
 
}; // namespace leafTreatment
 
#endif