Add angle(vector<T,2>)

2021-04-25 14:39:16 +03:00 · 2021-04-25 14:39:16 +03:00 · bea016fac0
commit bea016fac0
parent e1f8958123
1 changed files with 6 additions and 0 deletions
--- a/libs/geom/include/psemek/geom/vector.hpp
+++ b/libs/geom/include/psemek/geom/vector.hpp
@ -308,6 +308,12 @@ namespace psemek::geom
 		return {std::cos(angle), std::sin(angle)};
 	}

+	template <typename T>
+	T angle(vector<T, 2> const & v)
+	{
+		return std::atan2(v[1], v[0]);
+	}
+
 	template <typename T, std::size_t N>
 	vector<T, N> pointwise_mult(vector<T, N> const & v0, vector<T, N> const & v1)
 	{