From 957493e2e251d804813b07395257d9597e044eb0 Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Sun, 8 Nov 2020 16:15:30 +0300
Subject: [PATCH] Add template deduction guides for transformation classes

---
 libs/geom/include/psemek/geom/orthographic.hpp | 3 +++
 libs/geom/include/psemek/geom/perspective.hpp  | 6 ++++++
 libs/geom/include/psemek/geom/rotation.hpp     | 3 +++
 libs/geom/include/psemek/geom/scale.hpp        | 3 +++
 libs/geom/include/psemek/geom/translation.hpp  | 3 +++
 5 files changed, 18 insertions(+)

diff --git a/libs/geom/include/psemek/geom/orthographic.hpp b/libs/geom/include/psemek/geom/orthographic.hpp
index d508efcb..c9d0ecf9 100644
--- a/libs/geom/include/psemek/geom/orthographic.hpp
+++ b/libs/geom/include/psemek/geom/orthographic.hpp
@@ -34,6 +34,9 @@ namespace psemek::geom
 		box_type r_;
 	};
 
+	template <typename T, std::size_t D>
+	orthographic(box<T, D>) -> orthographic<T, D>;
+
 	template <typename T, std::size_t D>
 	orthographic<T, D>::orthographic()
 	{
diff --git a/libs/geom/include/psemek/geom/perspective.hpp b/libs/geom/include/psemek/geom/perspective.hpp
index b1626de0..76e51a7f 100644
--- a/libs/geom/include/psemek/geom/perspective.hpp
+++ b/libs/geom/include/psemek/geom/perspective.hpp
@@ -26,6 +26,12 @@ namespace psemek::geom
 		homogeneous_matrix_type homogeneous_matrix_;
 	};
 
+	template <typename T>
+	perspective(T, T, T, T) -> perspective<T, 3>;
+
+	template <typename T>
+	perspective(T, T, T, T, T, T) -> perspective<T, 3>;
+
 	template <typename T>
 	perspective<T, 3>::perspective(scalar_type fov_x, scalar_type fov_y, scalar_type near, scalar_type far)
 		: homogeneous_matrix_(homogeneous_matrix_type::zero())
diff --git a/libs/geom/include/psemek/geom/rotation.hpp b/libs/geom/include/psemek/geom/rotation.hpp
index cae065e6..01f24dd1 100644
--- a/libs/geom/include/psemek/geom/rotation.hpp
+++ b/libs/geom/include/psemek/geom/rotation.hpp
@@ -59,6 +59,9 @@ namespace psemek::geom
 		void fill_matrix(Matrix & m) const;
 	};
 
+	template <typename T>
+	axis_rotation(vector<T, 3>, T) -> axis_rotation<T>;
+
 	template <typename T, std::size_t N>
 	plane_rotation<T, N>::plane_rotation()
 		: i{0}
diff --git a/libs/geom/include/psemek/geom/scale.hpp b/libs/geom/include/psemek/geom/scale.hpp
index 5090307f..e4a61c54 100644
--- a/libs/geom/include/psemek/geom/scale.hpp
+++ b/libs/geom/include/psemek/geom/scale.hpp
@@ -30,6 +30,9 @@ namespace psemek::geom
 		void fill_matrix(Matrix & m) const;
 	};
 
+	template <typename T, std::size_t N>
+	scale(vector<T, N>) -> scale<T, N>;
+
 	template <typename T, std::size_t N>
 	scale<T, N>::scale()
 	{
diff --git a/libs/geom/include/psemek/geom/translation.hpp b/libs/geom/include/psemek/geom/translation.hpp
index 9a3b0c0e..525f328b 100644
--- a/libs/geom/include/psemek/geom/translation.hpp
+++ b/libs/geom/include/psemek/geom/translation.hpp
@@ -25,6 +25,9 @@ namespace psemek::geom
 		point<T, N> operator()(point<T, N> const & p) const;
 	};
 
+	template <typename T, std::size_t N>
+	translation(vector<T, N>) -> translation<T, N>;
+
 	template <typename T, std::size_t N>
 	translation<T, N>::translation()
 		: v{vector<T, N>::zero()}