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Diffstat (limited to 'thirdparty/bullet/src/BulletCollision/CollisionDispatch/btUnionFind.cpp')
-rw-r--r-- | thirdparty/bullet/src/BulletCollision/CollisionDispatch/btUnionFind.cpp | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/thirdparty/bullet/src/BulletCollision/CollisionDispatch/btUnionFind.cpp b/thirdparty/bullet/src/BulletCollision/CollisionDispatch/btUnionFind.cpp deleted file mode 100644 index 5222933595..0000000000 --- a/thirdparty/bullet/src/BulletCollision/CollisionDispatch/btUnionFind.cpp +++ /dev/null @@ -1,82 +0,0 @@ -/* -Bullet Continuous Collision Detection and Physics Library -Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ - -This software is provided 'as-is', without any express or implied warranty. -In no event will the authors be held liable for any damages arising from the use of this software. -Permission is granted to anyone to use this software for any purpose, -including commercial applications, and to alter it and redistribute it freely, -subject to the following restrictions: - -1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. -2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. -3. This notice may not be removed or altered from any source distribution. -*/ - -#include "btUnionFind.h" - - - -btUnionFind::~btUnionFind() -{ - Free(); - -} - -btUnionFind::btUnionFind() -{ - -} - -void btUnionFind::allocate(int N) -{ - m_elements.resize(N); -} -void btUnionFind::Free() -{ - m_elements.clear(); -} - - -void btUnionFind::reset(int N) -{ - allocate(N); - - for (int i = 0; i < N; i++) - { - m_elements[i].m_id = i; m_elements[i].m_sz = 1; - } -} - - -class btUnionFindElementSortPredicate -{ - public: - - bool operator() ( const btElement& lhs, const btElement& rhs ) const - { - return lhs.m_id < rhs.m_id; - } -}; - -///this is a special operation, destroying the content of btUnionFind. -///it sorts the elements, based on island id, in order to make it easy to iterate over islands -void btUnionFind::sortIslands() -{ - - //first store the original body index, and islandId - int numElements = m_elements.size(); - - for (int i=0;i<numElements;i++) - { - m_elements[i].m_id = find(i); -#ifndef STATIC_SIMULATION_ISLAND_OPTIMIZATION - m_elements[i].m_sz = i; -#endif //STATIC_SIMULATION_ISLAND_OPTIMIZATION - } - - // Sort the vector using predicate and std::sort - //std::sort(m_elements.begin(), m_elements.end(), btUnionFindElementSortPredicate); - m_elements.quickSort(btUnionFindElementSortPredicate()); - -} |