added operator<<(ostream, Ray) to util/Ray, main/Scene now calculating rays

git-svn-id: svn://anubis/fart/trunk@38 7f9b0f55-74a9-4bce-be96-3c2cd072584d

util/Ray.cc

@@ -1,5 +1,6 @@
 
 #include "Ray.h"
+#include <iostream>
 
 Ray::Ray()
 {
@@ -24,3 +25,9 @@ Vector Ray::getPositionAt(double dist) const
     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;
+}

util/Ray.h

@@ -3,6 +3,7 @@
 #define RAY_H RAY_H
 
 #include "Vector.h"
+#include <iostream>
 
 class Ray
 {
@@ -19,5 +20,7 @@ class Ray
         Vector  m_direction;
 };
 
+std::ostream & operator<<(std::ostream & out, const Ray & r);
+
 #endif