From f820c866a08d367500b997c3ff35ad247153f2d9 Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Sat, 26 Nov 2022 15:54:42 +0600
Subject: [PATCH] Fixed composition key frame computation

---
 .../Composition/Animations/KeyFrameAnimationInstance.cs      | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Base/Rendering/Composition/Animations/KeyFrameAnimationInstance.cs b/src/Avalonia.Base/Rendering/Composition/Animations/KeyFrameAnimationInstance.cs
index e20a4a9ad8..570c6a6d07 100644
--- a/src/Avalonia.Base/Rendering/Composition/Animations/KeyFrameAnimationInstance.cs
+++ b/src/Avalonia.Base/Rendering/Composition/Animations/KeyFrameAnimationInstance.cs
@@ -128,8 +128,11 @@ namespace Avalonia.Rendering.Composition.Animations
 
                     left = kf;
                     right = _keyFrames[c + 1];
-                    break;
                 }
+                else if (c == 0)
+                    return ExpressionVariant.Create(GetKeyFrame(ref ctx, kf));
+                else
+                    break;
             }
 
             var keyProgress = Math.Max(0, Math.Min(1, (iterationProgress - left.Key) / (right.Key - left.Key)));