From 5630ae2da33f7c7e10e8ce7838d02740e1dedb7b Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Wed, 2 Aug 2023 19:18:20 +0300
Subject: [PATCH] Fix gltf_animation for cubic interpolation when time is
 outside bounds

---
 libs/gfx/include/psemek/gfx/gltf_animation.hpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/libs/gfx/include/psemek/gfx/gltf_animation.hpp b/libs/gfx/include/psemek/gfx/gltf_animation.hpp
index 2e64fe68..30d5fa22 100644
--- a/libs/gfx/include/psemek/gfx/gltf_animation.hpp
+++ b/libs/gfx/include/psemek/gfx/gltf_animation.hpp
@@ -112,9 +112,19 @@ namespace psemek::gfx
 		{
 			auto it = std::lower_bound(input_.begin(), input_.end(), time);
 			if (it == input_.begin())
-				return output_.front();
+			{
+				if (interpolation_ == geom::easing_type::cubic)
+					return output_[1];
+				else
+					return output_.front();
+			}
 			if (it == input_.end())
-				return output_.back();
+			{
+				if (interpolation_ == geom::easing_type::cubic)
+					return output_[output_.size() - 2];
+				else
+					return output_.back();
+			}
 
 			auto i = it - input_.begin();