From c5621372188921150337fb381093e128aee60ed7 Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Wed, 14 Oct 2020 22:15:15 +0300
Subject: [PATCH] Add lerp(inverval, t)

---
 libs/geom/include/psemek/geom/interval.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libs/geom/include/psemek/geom/interval.hpp b/libs/geom/include/psemek/geom/interval.hpp
index bfc3c328..461733d3 100644
--- a/libs/geom/include/psemek/geom/interval.hpp
+++ b/libs/geom/include/psemek/geom/interval.hpp
@@ -232,6 +232,12 @@ namespace psemek::geom
 		return std::max(i.min, std::min(i.max, x));
 	}
 
+	template <typename T>
+	T lerp(interval<T> const & i, T t)
+	{
+		return i.min + i.length() * t;
+	}
+
 	template <typename Stream, typename T>
 	Stream & operator << (Stream & os, interval<T> const & i)
 	{