Line.h

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#ifndef G3D_LINE_H
#define G3D_LINE_H

#include "G3D/platform.h"
#include "G3D/Vector3.h"

namespace G3D {

class Plane;

class Line {
protected:

 Vector3 _point;
 Vector3 _direction;

 Line(const Vector3& point, const Vector3& direction) {
 _point = point;
 _direction = direction.direction();
 }

public:

 inline Line() {}

 Line(class BinaryInput& b);

 void serialize(class BinaryOutput& b) const;

 void deserialize(class BinaryInput& b);

 virtual ~Line() {}

 static Line fromTwoPoints(const Vector3 &point1, const Vector3 &point2) {
 return Line(point1, point2 - point1);
 }

 static Line fromPointAndDirection(const Vector3& point, const Vector3& direction) {
 return Line(point, direction);
 }

 Vector3 closestPoint(const Vector3& pt) const;

 double distance(const Vector3& point) const {
 return (closestPoint(point) - point).magnitude();
 }

 Vector3 point() const;

 Vector3 direction() const;

 Vector3 intersection(const Plane &plane) const;


 Vector3 closestPoint(const Line& B, float& minDist) const;

 inline Vector3 closestPoint(const Line& B) const {
 float m;
 return closestPoint(B, m);
 }
};

};// namespace


#endif