#include <math.h>
#include <ostream>
#include <stdlib.h>


#include <vector>


#include "defs.h"
#include "functions.h"


Ray::Ray (Point start, Point end) {
    this->direction = (end-start);
    this->origin = end;
}

Ray Ray::operator+(Ray &other) {
    Ray r;

    r.direction = direction + other.direction;
    r.origin = origin + other.origin;

    return r;

}

Ray Ray::operator-(Ray &other) {
    Ray r;

    r.direction = direction - other.direction;
    r.origin = origin - other.origin;

    return r;

}