Boundingboxes should be ready.

Next step (later) would be to properly use them other than group to lower the number of intersection calculation per ray.

source/include/tuple.h

@@ -40,6 +40,10 @@ public:
     Tuple operator/(const double &b) const { return Tuple(this->x / b, this->y / b,
                                                           this->z / b, this->w / b); };
 
+    void fixPoint();
+    void fixVector();
+    bool isRepresentable();
+
     void set(double nX, double nY, double nZ) { this->x = nX; this->y = nY; this->z = nZ; };
     double magnitude();
     Tuple normalise();