From 90165b9b59f02d17bf7d03160ff402c8527aad24 Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Sat, 3 Oct 2020 13:06:17 +0300
Subject: [PATCH] Support calling pcg generators with sequence of coordinates
 (as opposed to geom::vector)

---
 libs/pcg/include/psemek/pcg/fractal.hpp | 6 ++++++
 libs/pcg/include/psemek/pcg/perlin.hpp  | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/libs/pcg/include/psemek/pcg/fractal.hpp b/libs/pcg/include/psemek/pcg/fractal.hpp
index 31d5113f..3d478edf 100644
--- a/libs/pcg/include/psemek/pcg/fractal.hpp
+++ b/libs/pcg/include/psemek/pcg/fractal.hpp
@@ -17,6 +17,12 @@ namespace psemek::pcg
 		template <typename Arg>
 		fractal(std::vector<Arg> args, std::vector<value_type> weights);
 
+		template <typename ... Args>
+		value_type operator ()(Args const & ... args) const
+		{
+			return (*this)(geom::vector{args...});
+		}
+
 		value_type operator()(geom::vector<value_type, dimension> const & p) const;
 
 	private:
diff --git a/libs/pcg/include/psemek/pcg/perlin.hpp b/libs/pcg/include/psemek/pcg/perlin.hpp
index 96b3fc09..380969cc 100644
--- a/libs/pcg/include/psemek/pcg/perlin.hpp
+++ b/libs/pcg/include/psemek/pcg/perlin.hpp
@@ -37,6 +37,13 @@ namespace psemek::pcg
 			return grad_map_.depth() - 1;
 		}
 
+		// Coords \in [0.0 .. 1.0]
+		template <typename ... Args>
+		T operator()(Args const & ... args) const
+		{
+			return (*this)(geom::vector{args...});
+		}
+
 		// Coords \in [0.0 .. 1.0]
 		T operator()(geom::vector<T, N> p) const;