/// @ref gtx_normal /// @file glm/gtx/normal.inl namespace glm { template <typename T, precision P> GLM_FUNC_QUALIFIER tvec3<T, P> triangleNormal ( tvec3<T, P> const & p1, tvec3<T, P> const & p2, tvec3<T, P> const & p3 ) { return normalize(cross(p1 - p2, p1 - p3)); } }//namespace glm