0025398: Modeling Algorithms - Provide shape proximity detector

Correction of test case for issue CR25398

src/BRepExtrema/BRepExtrema_TriangleSet.hxx

@@ -0,0 +1,84 @@
+// Created on: 2014-10-20
+// Created by: Denis BOGOLEPOV
+// Copyright (c) 2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _BRepExtrema_TriangleSet_HeaderFile
+#define _BRepExtrema_TriangleSet_HeaderFile
+
+#include <TopoDS_Face.hxx>
+
+#include <BVH_PrimitiveSet.hxx>
+
+//! List of shapes and their IDs for collision detection.
+typedef NCollection_Vector<TopoDS_Face> BRepExtrema_ShapeList;
+
+//! Triangle set corresponding to specific face.
+class BRepExtrema_TriangleSet : public BVH_PrimitiveSet<Standard_Real, 3>
+{
+public:
+
+  //! Creates empty triangle set.
+  Standard_EXPORT BRepExtrema_TriangleSet();
+
+  //! Creates triangle set from the given face.
+  Standard_EXPORT BRepExtrema_TriangleSet (const BRepExtrema_ShapeList& theFaces);
+
+  //! Releases resources of triangle set.
+  Standard_EXPORT ~BRepExtrema_TriangleSet();
+
+public: //! @name methods implementing BVH set interface
+
+  //! Returns total number of triangles.
+  Standard_Integer Size() const;
+
+  //! Returns AABB of the given triangle.
+  BVH_Box<Standard_Real, 3> Box (const Standard_Integer theIndex) const;
+
+  //! Returns centroid position along specified axis.
+  Standard_Real Center (const Standard_Integer theIndex, const Standard_Integer theAxis) const;
+
+  //! Swaps indices of two specified triangles.
+  void Swap (const Standard_Integer theIndex1, const Standard_Integer theIndex2);
+
+public:
+
+  //! Clears triangle set data.
+  Standard_EXPORT void Clear();
+
+  //! Initializes triangle set.
+  Standard_EXPORT Standard_Boolean Init (const BRepExtrema_ShapeList& theFaces);
+
+  //! Returns vertices of the given triangle.
+  Standard_EXPORT void GetVertices (const Standard_Integer theIndex,
+                                    BVH_Vec3d&             theVertex1,
+                                    BVH_Vec3d&             theVertex2,
+                                    BVH_Vec3d&             theVertex3) const;
+
+  //! Returns face ID of the given triangle.
+  Standard_EXPORT Standard_Integer GetFaceID (const Standard_Integer theIndex) const;
+
+protected:
+
+  //! Array of vertex indices.
+  BVH_Array4i myTriangles;
+
+  //! Array of vertex UV params.
+  BVH_Array2d myVertUVArray;
+
+  //! Array of vertex coordinates.
+  BVH_Array3d myVertexArray;
+
+};
+
+#endif // _BRepExtrema_TriangleSet_HeaderFile