4049f6ae3b
git-svn-id: https://reactphysics3d.googlecode.com/svn/trunk@443 92aac97c-a6ce-11dd-a772-7fcde58d38e6
103 lines
4.8 KiB
C++
103 lines
4.8 KiB
C++
/********************************************************************************
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* ReactPhysics3D physics library, http://code.google.com/p/reactphysics3d/ *
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* Copyright (c) 2011 Daniel Chappuis *
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*********************************************************************************
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy *
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* of this software and associated documentation files (the "Software"), to deal *
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* in the Software without restriction, including without limitation the rights *
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in *
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* all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, *
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN *
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* THE SOFTWARE. *
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********************************************************************************/
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#ifndef OVERLAPPING_PAIR_H
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#define OVERLAPPING_PAIR_H
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// Libraries
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#include "../engine/PersistentContactCache.h"
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// ReactPhysics3D namespace
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namespace reactphysics3d {
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/* -------------------------------------------------------------------
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Class OverlappingPair :
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This class represents a pair of two bodies that are overlapping
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during the broad-phase collision detection. It is created when
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the two bodies start to overlap and is destroy when they do not
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overlap anymore. This class contains the cache with all the
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current contacts between the bodies.
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-------------------------------------------------------------------
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*/
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class OverlappingPair {
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private:
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Body* const body1; // Pointer to the first body of the contact
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Body* const body2; // Pointer to the second body of the contact
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PersistentContactCache contactsCache; // Persistent contact cache
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Vector3 cachedSeparatingAxis; // Cached previous separating axis
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public:
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OverlappingPair(Body* body1, Body* body2, MemoryPool<Contact>& memoryPoolContacts); // Constructor
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~OverlappingPair(); // Destructor
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Body* const getBody1() const; // Return the pointer to first body
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Body* const getBody2() const; // Return the pointer to second body
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void addContact(Contact* contact); // Add a contact to the contact cache
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void update(); // Update the contact cache
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Vector3 getCachedSeparatingAxis() const; // Return the cached separating axis
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uint getNbContacts() const; // Return the number of contacts in the cache
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Contact* getContact(uint index) const; // Return a contact of the cache
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};
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// Return the pointer to first body
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inline Body* const OverlappingPair::getBody1() const {
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return body1;
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}
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// Return the pointer to second body
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inline Body* const OverlappingPair::getBody2() const {
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return body2;
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}
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// Add a contact to the contact cache
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inline void OverlappingPair::addContact(Contact* contact) {
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contactsCache.addContact(contact);
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}
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// Update the contact cache
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inline void OverlappingPair::update() {
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contactsCache.update(body1->getTransform(), body2->getTransform());
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}
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// Return the cached separating axis
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inline Vector3 OverlappingPair::getCachedSeparatingAxis() const {
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return cachedSeparatingAxis;
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}
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// Return the number of contacts in the cache
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inline uint OverlappingPair::getNbContacts() const {
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return contactsCache.getNbContacts();
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}
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// Return a contact of the cache
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inline Contact* OverlappingPair::getContact(uint index) const {
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return contactsCache.getContact(index);
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}
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} // End of the ReactPhysics3D namespace
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#endif
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