Ray.h

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#ifndef GEOLIB_RAY_H_
#define GEOLIB_RAY_H_
 
#include "datatypes.h"
 
#include <array>
 
namespace geo {
 
class Ray {
 
public:
 
    Ray(const Vector3 &o, const Vector3 &d) ;
 
    const Vector3& getOrigin() const { return origin_; }
 
    const Vector3& getDirection() const { return direction_; }
 
    const Vector3& getInvDirection() const { return inv_direction_; }
 
    double getLength() const { return length_; }
 
    const std::array<int, 3>& getSign() const { return sign_; }
 
    void setLength(const double length) { length_ = length; }
 
protected:
 
    Vector3 origin_;
 
    Vector3 direction_;
 
    Vector3 inv_direction_;
 
    double length_; // When the length is zero, the ray is infinite
 
    std::array<int, 3> sign_;
 
    void calculateInvDirection();
 
};
 
}
 
#endif