111 lines
4.4 KiB
C++
111 lines
4.4 KiB
C++
/********************************************************************************
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* ReactPhysics3D physics library, http://code.google.com/p/reactphysics3d/ *
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* Copyright (c) 2010-2013 Daniel Chappuis *
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*********************************************************************************
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* *
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* This software is provided 'as-is', without any express or implied warranty. *
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* In no event will the authors be held liable for any damages arising from the *
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* use of this software. *
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* *
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* Permission is granted to anyone to use this software for any purpose, *
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* including commercial applications, and to alter it and redistribute it *
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* freely, subject to the following restrictions: *
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* *
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* 1. The origin of this software must not be misrepresented; you must not claim *
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* that you wrote the original software. If you use this software in a *
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* product, an acknowledgment in the product documentation would be *
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* appreciated but is not required. *
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* *
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* 2. Altered source versions must be plainly marked as such, and must not be *
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* misrepresented as being the original software. *
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* *
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* 3. This notice may not be removed or altered from any source distribution. *
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* *
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********************************************************************************/
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#ifndef BROAD_PHASE_PAIR_H
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#define BROAD_PHASE_PAIR_H
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// Libraries
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#include "../body/CollisionBody.h"
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// ReactPhysics3D namespace
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namespace reactphysics3d {
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// struct BroadPhasePair
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// This structure represents a pair of bodies
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// during the broad-phase collision detection
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struct BroadPhasePair {
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public:
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// -------------------- Attributes -------------------- //
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// Pointer to the first body
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CollisionBody* body1;
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// Pointer to the second body
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CollisionBody* body2;
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// Previous cached separating axis
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Vector3 previousSeparatingAxis;
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// -------------------- Methods -------------------- //
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// Constructor
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BroadPhasePair(CollisionBody* body1, CollisionBody* body2);
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// Destructor
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~BroadPhasePair();
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// Return the pair of bodies index
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bodyindexpair getBodiesIndexPair() const;
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// Smaller than operator
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bool operator<(const BroadPhasePair& broadPhasePair2) const;
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// Larger than operator
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bool operator>(const BroadPhasePair& broadPhasePair2) const;
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// Equal operator
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bool operator==(const BroadPhasePair& broadPhasePair2) const;
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// Not equal operator
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bool operator!=(const BroadPhasePair& broadPhasePair2) const;
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};
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// Return the pair of bodies index
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inline bodyindexpair BroadPhasePair::getBodiesIndexPair() const {
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// Construct the pair of body index
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bodyindexpair indexPair = body1->getID() < body2->getID() ?
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std::make_pair(body1->getID(), body2->getID()) :
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std::make_pair(body2->getID(), body1->getID());
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assert(indexPair.first != indexPair.second);
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return indexPair;
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}
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// Smaller than operator
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inline bool BroadPhasePair::operator<(const BroadPhasePair& broadPhasePair2) const {
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return (body1 < broadPhasePair2.body1 ? true : (body2 < broadPhasePair2.body2));
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}
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// Larger than operator
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inline bool BroadPhasePair::operator>(const BroadPhasePair& broadPhasePair2) const {
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return (body1 > broadPhasePair2.body1 ? true : (body2 > broadPhasePair2.body2));
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}
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// Equal operator
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inline bool BroadPhasePair::operator==(const BroadPhasePair& broadPhasePair2) const {
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return (body1 == broadPhasePair2.body1 && body2 == broadPhasePair2.body2);
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}
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// Not equal operator
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inline bool BroadPhasePair::operator!=(const BroadPhasePair& broadPhasePair2) const {
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return (body1 != broadPhasePair2.body1 || body2 != broadPhasePair2.body2);
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}
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}
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#endif
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