| [6f646d] | 1 | /*
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 | 2 |  * Line.hpp
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 | 3 |  *
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 | 4 |  *  Created on: Apr 30, 2010
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 | 5 |  *      Author: crueger
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 | 6 |  */
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 | 7 | 
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 | 8 | #ifndef LINE_HPP_
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 | 9 | #define LINE_HPP_
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 | 10 | 
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 | 11 | #include "Space.hpp"
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 | 12 | 
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 | 13 | #include <memory>
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| [45ef76] | 14 | #include <vector>
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| [6f646d] | 15 | 
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 | 16 | class Vector;
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| [5589858] | 17 | class Plane;
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| [6256f5] | 18 | class LinePoint;
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| [6f646d] | 19 | 
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 | 20 | class Line : public Space
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 | 21 | {
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| [82cf79] | 22 |   friend bool operator==(const Line&,const Line&);
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| [6256f5] | 23 |   friend class LinePoint;
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| [6f646d] | 24 | public:
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| [45ef76] | 25 |   Line(const Vector &_origin, const Vector &_direction);
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 | 26 |   Line(const Line& _src);
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| [6f646d] | 27 |   virtual ~Line();
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 | 28 | 
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| [41da13] | 29 |   Line &operator=(const Line& rhs);
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 | 30 | 
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| [45ef76] | 31 |   virtual double distance(const Vector &point) const;
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 | 32 |   virtual Vector getClosestPoint(const Vector &point) const;
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 | 33 | 
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 | 34 |   Vector getDirection() const;
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 | 35 |   Vector getOrigin() const;
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 | 36 | 
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 | 37 |   std::vector<Vector> getPointsOnLine() const;
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 | 38 | 
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 | 39 |   Vector getIntersection(const Line& otherLine) const;
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| [6f646d] | 40 | 
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| [42a101] | 41 |   Vector rotateVector(const Vector &rhs, double alpha) const;
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 | 42 | 
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| [5589858] | 43 |   Plane getOrthogonalPlane(const Vector &origin) const;
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 | 44 | 
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| [f932b7] | 45 |   std::vector<Vector> getSphereIntersections() const;
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 | 46 | 
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| [6256f5] | 47 |   LinePoint getLinePoint(const Vector&) const;
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 | 48 |   LinePoint posEndpoint() const;
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 | 49 |   LinePoint negEndpoint() const;
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 | 50 | 
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| [6f646d] | 51 | private:
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 | 52 |   std::auto_ptr<Vector> origin;
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 | 53 |   std::auto_ptr<Vector> direction;
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 | 54 | };
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 | 55 | 
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| [82cf79] | 56 | bool operator==(const Line&,const Line&);
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 | 57 | 
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| [45ef76] | 58 | /**
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 | 59 |  * Named constructor to make a line through two points
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 | 60 |  */
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 | 61 | Line makeLineThrough(const Vector &x1, const Vector &x2);
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 | 62 | 
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| [6256f5] | 63 | /**
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 | 64 |  * Class for representing points on a line
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 | 65 |  * These objects allow comparison of points on the same line as well as specifying the
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 | 66 |  * infinite "endpoints" of a line.
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 | 67 |  */
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 | 68 | class LinePoint{
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 | 69 |   friend class Line;
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 | 70 |   friend bool operator==(const LinePoint&, const LinePoint&);
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 | 71 |   friend bool operator<(const LinePoint&, const LinePoint&);
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 | 72 | public:
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 | 73 |   LinePoint(const LinePoint&);
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 | 74 |   LinePoint& operator=(const LinePoint&);
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 | 75 |   Vector getPoint() const;
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 | 76 |   Line getLine() const;
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 | 77 |   bool isInfinite() const;
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 | 78 |   bool isPosInfinity() const;
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 | 79 |   bool isNegInfinity() const;
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 | 80 | 
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 | 81 | private:
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 | 82 |   LinePoint(const Line&,double);
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 | 83 |   Line line;
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 | 84 |   double param;
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 | 85 | };
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 | 86 | 
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 | 87 | bool operator==(const LinePoint&, const LinePoint&);
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 | 88 | bool operator<(const LinePoint&, const LinePoint&);
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 | 89 | 
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 | 90 | inline bool operator!= (const LinePoint& x, const LinePoint& y) { return !(x==y); }
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 | 91 | inline bool operator>  (const LinePoint& x, const LinePoint& y) { return y<x; }
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 | 92 | inline bool operator<= (const LinePoint& x, const LinePoint& y) { return !(y<x); }
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 | 93 | inline bool operator>= (const LinePoint& x, const LinePoint& y) { return !(x<y); }
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 | 94 | 
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 | 95 | 
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| [6f646d] | 96 | #endif /* LINE_HPP_ */
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