FIFE  2008.0
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angles.h
1 /***************************************************************************
2  * Copyright (C) 2005-2008 by the FIFE team *
3  * http://www.fifengine.de *
4  * This file is part of FIFE. *
5  * *
6  * FIFE is free software; you can redistribute it and/or *
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14  * Lesser General Public License for more details. *
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20  ***************************************************************************/
21 
22 #ifndef FIFE_ANGLES_H
23 #define FIFE_ANGLES_H
24 
25 // Standard C++ library includes
26 #include <map>
27 
28 // 3rd party library includes
29 
30 // FIFE includes
31 // These includes are split up in two parts, separated by one empty line
32 // First block: files included from the FIFE root src directory
33 // Second block: files included from the same folder
34 #include "model/structures/location.h"
35 
36 namespace FIFE {
37  typedef std::map<uint32_t, int32_t> type_angle2id;
38 
42  int32_t getIndexByAngle(int32_t angle, const type_angle2id& angle2id, int32_t& closestMatchingAngle);
43 
48  inline int32_t getAngleBetween(const Location& loc1, const Location& loc2) {
49  ExactModelCoordinate c1 = loc1.getMapCoordinates();
50  ExactModelCoordinate c2 = loc2.getMapCoordinates();
51 
52  double dy = (c2.y - c1.y);
53  double dx = (c2.x - c1.x);
54 
55  int32_t angle = static_cast<int32_t>(Mathd::ATan2(-dy,dx)*(180.0/Mathd::pi()));
56 
57  return angle;
58  }
59 }
60 
61 #endif
int32_t getAngleBetween(const Location &loc1, const Location &loc2)
Definition: angles.h:48
int32_t getIndexByAngle(int32_t angle, const type_angle2id &angle2id, int32_t &closestMatchingAngle)
Definition: angles.cpp:34