File: SpatialQuickSortCollider.hpp

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/*************************************************************************
*  Copyright (C) 2008 by Sergei Dorofeenko				 *
*  sega@users.berlios.de                                                 *
*                                                                        *
*  This program is free software; it is licensed under the terms of the  *
*  GNU General Public License v2 or later. See file LICENSE for details. *
*************************************************************************/
#pragma once

#include <core/InteractionContainer.hpp>
#include <pkg/common/Collider.hpp>
#include <vector>

namespace yade { // Cannot have #include directive inside.

class SpatialQuickSortCollider : public Collider {
protected:
	struct AABBBound {
		Vector3r min, max;
		int      id;
	};

	class xBoundComparator {
	public:
		bool operator()(shared_ptr<AABBBound> b1, shared_ptr<AABBBound> b2) { return b1->min[0] < b2->min[0]; }
	};

	vector<shared_ptr<AABBBound>> rank;

public:
	void action() override;
	// clang-format off
	YADE_CLASS_BASE_DOC(SpatialQuickSortCollider,Collider,"Collider using quicksort along axes at each step, using :yref:`Aabb` bounds. \n\n Its performance is lower than that of :yref:`InsertionSortCollider` (see `Colliders' performance <https://yade-dem.org/wiki/Colliders_performace>`_), but the algorithm is simple enought to make it good for checking other collider's correctness.");
	// clang-format on
	DECLARE_LOGGER;
};
REGISTER_SERIALIZABLE(SpatialQuickSortCollider);

} // namespace yade