src/bbox.h

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child 223
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1 /*
2 * LDForge: LDraw parts authoring CAD
3 * Copyright (C) 2013 Santeri Piippo
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #ifndef BBOX_H
20 #define BBOX_H
21
22 #include "common.h"
23 #include "types.h"
24
25 // =============================================================================
26 // bbox
27 //
28 // The bounding box is the box that encompasses a given set of objects. The
29 // global instance g_BBox is the bbox for the model we have open.
30 // v0 is the minimum vertex, v1 is the maximum vertex.
31 // =============================================================================
32 class bbox {
33 public:
34 bbox ();
35 void reset ();
36 void calculate ();
37 double size () const;
38 void calcObject (LDObject* obj);
39 void calcVertex (vertex v);
40 vertex center () const;
41 bool empty () const;
42
43 bbox& operator<< (LDObject* obj) {
44 calcObject (obj);
45 return *this;
46 }
47
48 bbox& operator<< (vertex& v) {
49 calcVertex (v);
50 return *this;
51 }
52
53 const vertex& v0 () { return m_v0; }
54 const vertex& v1 () { return m_v1; }
55
56 private:
57 vertex m_v0, m_v1;
58 bool m_empty;
59 };
60
61 #endif // BBOX_H

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