source: src/Line.hpp@ b59648

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Last change on this file since b59648 was b59648, checked in by Tillmann Crueger <crueger@…>, 15 years ago

Added methods that allow rotation of complete lines
  • Property mode set to 100644
File size: 2.4 KB
Line 
1/*
2 * Line.hpp
3 *
4 * Created on: Apr 30, 2010
5 * Author: crueger
6 */
7
8#ifndef LINE_HPP_
9#define LINE_HPP_
10
11#include "Space.hpp"
12
13#include <memory>
14#include <vector>
15
16class Vector;
17class Plane;
18class LinePoint;
19
20class Line : public Space
21{
22 friend bool operator==(const Line&,const Line&);
23 friend class LinePoint;
24public:
25 Line(const Vector &_origin, const Vector &_direction);
26 Line(const Line& _src);
27 virtual ~Line();
28
29 Line &operator=(const Line& rhs);
30
31 virtual double distance(const Vector &point) const;
32 virtual Vector getClosestPoint(const Vector &point) const;
33
34 Vector getDirection() const;
35 Vector getOrigin() const;
36
37 std::vector<Vector> getPointsOnLine() const;
38
39 Vector getIntersection(const Line& otherLine) const;
40
41 Vector rotateVector(const Vector &rhs, double alpha) const;
42 Line rotateLine(const Line &rhs, double alpha) const;
43
44 Plane getOrthogonalPlane(const Vector &origin) const;
45
46 std::vector<Vector> getSphereIntersections() const;
47
48 LinePoint getLinePoint(const Vector&) const;
49 LinePoint posEndpoint() const;
50 LinePoint negEndpoint() const;
51
52
53
54private:
55 std::auto_ptr<Vector> origin;
56 std::auto_ptr<Vector> direction;
57};
58
59bool operator==(const Line&,const Line&);
60
61/**
62 * Named constructor to make a line through two points
63 */
64Line makeLineThrough(const Vector &x1, const Vector &x2);
65
66/**
67 * Class for representing points on a line
68 * These objects allow comparison of points on the same line as well as specifying the
69 * infinite "endpoints" of a line.
70 */
71class LinePoint{
72 friend class Line;
73 friend bool operator==(const LinePoint&, const LinePoint&);
74 friend bool operator<(const LinePoint&, const LinePoint&);
75public:
76 LinePoint(const LinePoint&);
77 LinePoint& operator=(const LinePoint&);
78 Vector getPoint() const;
79 Line getLine() const;
80 bool isInfinite() const;
81 bool isPosInfinity() const;
82 bool isNegInfinity() const;
83
84private:
85 LinePoint(const Line&,double);
86 Line line;
87 double param;
88};
89
90bool operator==(const LinePoint&, const LinePoint&);
91bool operator<(const LinePoint&, const LinePoint&);
92
93inline bool operator!= (const LinePoint& x, const LinePoint& y) { return !(x==y); }
94inline bool operator> (const LinePoint& x, const LinePoint& y) { return y<x; }
95inline bool operator<= (const LinePoint& x, const LinePoint& y) { return !(y<x); }
96inline bool operator>= (const LinePoint& x, const LinePoint& y) { return !(x<y); }
97
98
99#endif /* LINE_HPP_ */
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