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RTriangle.h
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1 #ifndef RTRIANGLE_H
2 #define RTRIANGLE_H
3 
4 #include "RShape.h"
5 #include "RVector.h"
6 #include "RLine.h"
7 
8 class RBox;
9 
18 class RTriangle: public RShape {
19 public:
20  RTriangle();
21  RTriangle(const RVector& p1, const RVector& p2, const RVector& p3);
22  virtual ~RTriangle();
23 
24  virtual RTriangle* clone() const {
25  return new RTriangle(*this);
26  }
27 
28  virtual void to2D();
29 
30  static RTriangle createArrow(const RVector& position, double direction, double size);
31 
32  virtual RBox getBoundingBox() const;
33  virtual double getLength() const;
34  RVector getCorner(int i) const;
35  void setCorner(int i, const RVector& p);
36 
37  virtual QList<RVector> getEndPoints() const;
38  virtual QList<RVector> getMiddlePoints() const;
39  virtual QList<RVector> getCenterPoints() const;
40  virtual QList<RVector> getPointsWithDistanceToEnd(
41  double distance, RS::From from = RS::FromAny) const;
42 
43  double getDistanceTo(const RVector& point, bool limited = true) const;
44  virtual RVector getVectorTo(const RVector& point, bool limited = true) const;
45  //virtual RVector getVectorTo(const RLine& line, bool limited = true) const;
46 
47  virtual RVector getNormal() const;
48 
49 // virtual bool intersectsWith(const RShape& other, bool limited) const;
50 
51 // virtual QList<RVector> getIntersectionPoints(const RShape& other,
52 // bool limited) const;
53 
54  bool isPointInTriangle(const RVector& p, bool treatAsQuadrant = false) const;
55  bool isPointInQuadrant(const RVector& p) const;
56 
57  double getD() const;
58 
59  virtual bool move(const RVector& offset) {
60  corner[0].move(offset);
61  corner[1].move(offset);
62  corner[2].move(offset);
63  return true;
64  }
65  virtual bool rotate(double rotation, const RVector& center = RDEFAULT_RVECTOR) {
66  corner[0].rotate(rotation, center);
67  corner[1].rotate(rotation, center);
68  corner[2].rotate(rotation, center);
69  return true;
70  }
71  virtual bool scale(const RVector& scaleFactors, const RVector& center =
72  RVector()) {
73  corner[0].scale(scaleFactors, center);
74  corner[1].scale(scaleFactors, center);
75  corner[2].scale(scaleFactors, center);
76  return true;
77  }
78  virtual bool mirror(const RLine& axis) {
79  corner[0].mirror(axis);
80  corner[1].mirror(axis);
81  corner[2].mirror(axis);
82  return true;
83  }
84  virtual bool flipHorizontal() {
85  corner[0].flipHorizontal();
86  corner[1].flipHorizontal();
87  corner[2].flipHorizontal();
88  return true;
89  }
90  virtual bool flipVertical() {
91  corner[0].flipVertical();
92  corner[1].flipVertical();
93  corner[2].flipVertical();
94  return true;
95  }
96 
97 public:
98  RVector corner[3];
99 };
100 
101 Q_DECLARE_METATYPE(QList<RTriangle>)
102 Q_DECLARE_METATYPE(RTriangle*)
103 Q_DECLARE_METATYPE(const RTriangle*)
104 Q_DECLARE_METATYPE(RTriangle)
105 Q_DECLARE_METATYPE(QSharedPointer<RTriangle>)
106 Q_DECLARE_METATYPE(QSharedPointer<RTriangle>*)
107 
108 #endif