fixed bug in util/Vector::reflect(), Phong shading getting much closer

git-svn-id: svn://anubis/fart/trunk@73 7f9b0f55-74a9-4bce-be96-3c2cd072584d

util/Vector.cc

@@ -60,7 +60,7 @@ Vector Vector::reflect(const Vector & target) const
 {
     Vector projected = proj(target);
     Vector me_to_proj = projected - (*this);
-    return projected + me_to_proj * 2.0;
+    return (*this) + me_to_proj * 2.0;
 }
 
 std::ostream & operator<<(std::ostream & out, const Vector & v)