pmd_import sphere map.

[meshio/meshio.git] / include / la.h

diff --git a/include/la.h b/include/la.h
index 6350afa..0ef6ee8 100644 (file)
--- a/include/la.h
+++ b/include/la.h
@@ -52,6 +52,11 @@ struct Vector3
        {
                return Vector3(x+rhs.x, y+rhs.y, z+rhs.z);
        }
+
+       Vector3 operator-(const Vector3 &rhs)
+       {
+               return Vector3(x-rhs.x, y-rhs.y, z-rhs.z);
+       }
 };
 #ifndef SWIG
 inline std::ostream &operator<<(std::ostream &os, const Vector3 &rhs)