34 lines
682 B
C++
34 lines
682 B
C++
|
|
#include "Ray.h"
|
|
#include <iostream>
|
|
|
|
Ray::Ray()
|
|
{
|
|
}
|
|
|
|
Ray::Ray(const Vector & origin, const Vector & direction)
|
|
{
|
|
m_origin = origin;
|
|
m_direction = direction;
|
|
m_direction.normalize();
|
|
}
|
|
|
|
/*
|
|
* return a vector for the point at distance dist
|
|
* from the ray's origin point, along its direction.
|
|
*/
|
|
Vector Ray::getPositionAt(double dist) const
|
|
{
|
|
Vector v;
|
|
v[0] = m_origin[0] + dist * m_direction[0];
|
|
v[1] = m_origin[1] + dist * m_direction[1];
|
|
v[2] = m_origin[2] + dist * m_direction[2];
|
|
return v;
|
|
}
|
|
|
|
std::ostream & operator<<(std::ostream & out, const Ray & r)
|
|
{
|
|
out << "(" << r.getOrigin() << " -> " << r.getDirection() << ")";
|
|
return out;
|
|
}
|