1 // Created on: 2013-12-20 2 // Created by: Denis BOGOLEPOV 3 // Copyright (c) 2013-2014 OPEN CASCADE SAS 4 // 5 // This file is part of Open CASCADE Technology software library. 6 // 7 // This library is free software; you can redistribute it and/or modify it under 8 // the terms of the GNU Lesser General Public License version 2.1 as published 9 // by the Free Software Foundation, with special exception defined in the file 10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 11 // distribution for complete text of the license and disclaimer of any warranty. 12 // 13 // Alternatively, this file may be used under the terms of Open CASCADE 14 // commercial license or contractual agreement. 15 16 #ifndef BVH_ObjectSet_HeaderFile 17 #define BVH_ObjectSet_HeaderFile 18 19 #include <BVH_Set.hxx> 20 #include <BVH_Object.hxx> 21 22 //! Array of abstract entities (bounded by BVH boxes) to built BVH. 23 //! \tparam T Numeric data type 24 //! \tparam N Vector dimension 25 template<class T, int N> 26 class BVH_ObjectSet : public BVH_Set<T, N> 27 { 28 public: 29 30 //! Type of array of geometric objects. 31 typedef NCollection_Vector<opencascade::handle<BVH_Object<T, N> > > BVH_ObjectList; 32 33 public: 34 35 //! Creates new set of geometric objects. BVH_ObjectSet()36 BVH_ObjectSet() {} 37 38 //! Releases resources of set of geometric objects. ~BVH_ObjectSet()39 virtual ~BVH_ObjectSet() {} 40 41 public: 42 43 //! Removes all geometric objects. Clear()44 virtual void Clear() 45 { 46 for (typename BVH_ObjectList::Iterator anObjectIter (myObjects); anObjectIter.More(); anObjectIter.Next()) 47 { 48 anObjectIter.ChangeValue().Nullify(); 49 } 50 myObjects.Clear(); 51 } 52 53 //! Returns reference to the array of geometric objects. Objects()54 BVH_ObjectList& Objects() { return myObjects; } 55 56 //! Returns reference to the array of geometric objects. Objects() const57 const BVH_ObjectList& Objects() const { return myObjects; } 58 59 public: 60 61 //! Return total number of objects. Size() const62 virtual Standard_Integer Size() const Standard_OVERRIDE { return myObjects.Size(); } 63 64 //! Returns AABB of entire set of objects. 65 using BVH_Set<T, N>::Box; 66 67 //! Returns AABB of the given object. Box(const Standard_Integer theIndex) const68 virtual BVH_Box<T, N> Box (const Standard_Integer theIndex) const Standard_OVERRIDE { return myObjects.Value (theIndex)->Box(); } 69 70 //! Returns centroid position along the given axis. Center(const Standard_Integer theIndex,const Standard_Integer theAxis) const71 virtual T Center (const Standard_Integer theIndex, const Standard_Integer theAxis) const Standard_OVERRIDE 72 { 73 // Note: general implementation, not optimal 74 return BVH::CenterAxis<T, N>::Center (myObjects.Value (theIndex)->Box(), theAxis); 75 } 76 77 //! Performs transposing the two given objects in the set. Swap(const Standard_Integer theIndex1,const Standard_Integer theIndex2)78 virtual void Swap (const Standard_Integer theIndex1, const Standard_Integer theIndex2) Standard_OVERRIDE 79 { 80 std::swap (myObjects.ChangeValue (theIndex1), 81 myObjects.ChangeValue (theIndex2)); 82 } 83 84 protected: 85 86 BVH_ObjectList myObjects; //!< Array of geometric objects 87 88 }; 89 90 #endif // _BVH_ObjectSet_Header 91