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1 | // Created on: 2013-12-20 |
2 | // Created by: Denis BOGOLEPOV |
3 | // Copyright (c) 2013 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 |
8 | // under the terms of the GNU Lesser General Public 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_Box_Header |
17 | #define _BVH_Box_Header |
18 | |
19 | #include <BVH_Types.hxx> |
20 | |
21 | //! Axis aligned bounding box (AABB). |
22 | template<class T, int N> |
23 | class BVH_Box |
24 | { |
25 | public: |
26 | |
27 | typedef typename BVHTools::VectorType<T, N>::Type BVH_VecNt; |
28 | |
29 | public: |
30 | |
31 | //! Creates uninitialized bounding box. |
32 | BVH_Box() : myInitialized (Standard_False) {} |
33 | |
34 | //! Creates bounding box of given point. |
35 | BVH_Box (const BVH_VecNt& thePoint) |
36 | : myMinPoint (thePoint), |
37 | myMaxPoint (thePoint), |
38 | myInitialized (Standard_True) {} |
39 | |
40 | //! Creates copy of another bounding box. |
41 | BVH_Box (const BVH_Box& theBox) |
42 | : myMinPoint (theBox.myMinPoint), |
43 | myMaxPoint (theBox.myMaxPoint), |
44 | myInitialized (theBox.myInitialized) {} |
45 | |
46 | //! Creates bounding box from corner points. |
47 | BVH_Box (const BVH_VecNt& theMinPoint, |
48 | const BVH_VecNt& theMaxPoint) |
49 | : myMinPoint (theMinPoint), |
50 | myMaxPoint (theMaxPoint), |
51 | myInitialized (Standard_True) {} |
52 | |
53 | public: |
54 | |
55 | //! Clears bounding box. |
56 | void Clear(); |
57 | |
58 | //! Is bounding box valid? |
59 | Standard_Boolean IsValid() const; |
60 | |
61 | //! Appends new point to the bounding box. |
62 | void Add (const BVH_VecNt& thePoint); |
63 | |
64 | //! Combines bounding box with another one. |
65 | void Combine (const BVH_Box& theVolume); |
66 | |
67 | //! Returns minimum point of bounding box. |
68 | const BVH_VecNt& CornerMin() const; |
69 | |
70 | //! Returns maximum point of bounding box. |
71 | const BVH_VecNt& CornerMax() const; |
72 | |
73 | //! Returns minimum point of bounding box. |
74 | BVH_VecNt& CornerMin(); |
75 | |
76 | //! Returns maximum point of bounding box. |
77 | BVH_VecNt& CornerMax(); |
78 | |
79 | //! Returns surface area of bounding box. |
80 | T Area() const; |
81 | |
82 | //! Returns diagonal of bounding box. |
83 | BVH_VecNt Size() const; |
84 | |
85 | //! Returns center of bounding box. |
86 | BVH_VecNt Center() const; |
87 | |
88 | protected: |
89 | |
90 | BVH_VecNt myMinPoint; //!< Minimum point of bounding box |
91 | BVH_VecNt myMaxPoint; //!< Maximum point of bounding box |
92 | Standard_Boolean myInitialized; //!< Is bounding box valid? |
93 | |
94 | }; |
95 | |
96 | #include <BVH_Box.lxx> |
97 | |
98 | #endif // _BVH_Box_Header |