117 lines
4.6 KiB
C++
117 lines
4.6 KiB
C++
/********************************************************************************
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* ReactPhysics3D physics library, http://www.reactphysics3d.com *
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* Copyright (c) 2010-2016 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 REACTPHYSICS3D_NARROW_PHASE_ALGORITHM_H
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#define REACTPHYSICS3D_NARROW_PHASE_ALGORITHM_H
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// Libraries
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#include "body/Body.h"
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#include "constraint/ContactPoint.h"
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#include "memory/MemoryAllocator.h"
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#include "engine/OverlappingPair.h"
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#include "collision/CollisionShapeInfo.h"
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/// Namespace ReactPhysics3D
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namespace reactphysics3d {
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class CollisionDetection;
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// Class NarrowPhaseCallback
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/**
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* This abstract class is the base class for a narrow-phase collision
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* callback class.
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*/
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class NarrowPhaseCallback {
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public:
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virtual ~NarrowPhaseCallback() = default;
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/// Called by a narrow-phase collision algorithm when a new contact has been found
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virtual void notifyContact(OverlappingPair* overlappingPair,
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const ContactPointInfo& contactInfo)=0;
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};
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// Class NarrowPhaseAlgorithm
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/**
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* This abstract class is the base class for a narrow-phase collision
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* detection algorithm. The goal of the narrow phase algorithm is to
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* compute information about the contact between two proxy shapes.
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*/
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class NarrowPhaseAlgorithm {
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protected :
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// -------------------- Attributes -------------------- //
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/// Pointer to the collision detection object
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CollisionDetection* mCollisionDetection;
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/// Pointer to the memory allocator
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MemoryAllocator* mMemoryAllocator;
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/// Overlapping pair of the bodies currently tested for collision
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OverlappingPair* mCurrentOverlappingPair;
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public :
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// -------------------- Methods -------------------- //
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/// Constructor
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NarrowPhaseAlgorithm();
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/// Destructor
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virtual ~NarrowPhaseAlgorithm() = default;
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/// Deleted copy-constructor
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NarrowPhaseAlgorithm(const NarrowPhaseAlgorithm& algorithm) = delete;
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/// Deleted assignment operator
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NarrowPhaseAlgorithm& operator=(const NarrowPhaseAlgorithm& algorithm) = delete;
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/// Initalize the algorithm
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virtual void init(CollisionDetection* collisionDetection, MemoryAllocator* memoryAllocator);
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/// Set the current overlapping pair of bodies
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void setCurrentOverlappingPair(OverlappingPair* overlappingPair);
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/// Compute a contact info if the two bounding volume collide
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virtual void testCollision(const CollisionShapeInfo& shape1Info,
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const CollisionShapeInfo& shape2Info,
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NarrowPhaseCallback* narrowPhaseCallback)=0;
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};
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// Set the current overlapping pair of bodies
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inline void NarrowPhaseAlgorithm::setCurrentOverlappingPair(OverlappingPair* overlappingPair) {
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mCurrentOverlappingPair = overlappingPair;
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}
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}
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#endif
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