1 /*
2  Copyright (C) 2010-2014 Kristian Duske
3 
4  This file is part of TrenchBroom.
5 
6  TrenchBroom is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  TrenchBroom is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15 
16  You should have received a copy of the GNU General Public License
17  along with TrenchBroom. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef Polyhedron_Intersect_h
21 #define Polyhedron_Intersect_h
22 
23 template <typename T, typename FP, typename VP>
intersect(const Polyhedron & other)24 Polyhedron<T,FP,VP> Polyhedron<T,FP,VP>::intersect(const Polyhedron& other) const {
25     Callback c;
26     return intersect(other, c);
27 }
28 
29 template <typename T, typename FP, typename VP>
intersect(Polyhedron other,const Callback & callback)30 Polyhedron<T,FP,VP> Polyhedron<T,FP,VP>::intersect(Polyhedron other, const Callback& callback) const {
31     const Face* firstFace = m_faces.front();
32     const Face* currentFace = firstFace;
33     do {
34         const Plane<T,3> plane = callback.plane(currentFace);
35         const ClipResult result = other.clip(plane);
36         if (result.empty())
37             return Polyhedron();
38         currentFace = currentFace->next();
39     } while (currentFace != firstFace);
40     return other;
41 }
42 
43 #endif /* Polyhedron_Intersect_h */
44