From f3b090af3a8dead9e51adcbc31120969aaf0b37a Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Wed, 26 Aug 2026 16:15:39 +0200
Subject: [PATCH] Fix `CameraSpace` canvas rendering with TAA jitter

---
 Source/Engine/UI/UICanvas.cs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Source/Engine/UI/UICanvas.cs b/Source/Engine/UI/UICanvas.cs
index ff7f3eb8b..59f0f685b 100644
--- a/Source/Engine/UI/UICanvas.cs
+++ b/Source/Engine/UI/UICanvas.cs
@@ -81,7 +81,7 @@ namespace FlaxEngine
             bounds.Transformation.Translation -= renderContext.View.Origin;
             if (renderContext.View.Frustum.Contains(bounds.GetBoundingBox()) == ContainmentType.Disjoint)
                 return;
-            var worldSpace = Canvas.RenderMode == CanvasRenderMode.WorldSpace || Canvas.RenderMode == CanvasRenderMode.WorldSpaceFaceCamera; 
+            var drawInWorld = Canvas.RenderMode == CanvasRenderMode.CameraSpace || Canvas.RenderMode == CanvasRenderMode.WorldSpace || Canvas.RenderMode == CanvasRenderMode.WorldSpaceFaceCamera; 
 
             Profiler.BeginEvent("UI Canvas");
             Profiler.BeginEventGPU("UI Canvas");
@@ -90,7 +90,7 @@ namespace FlaxEngine
             Canvas.GetWorldMatrix(renderContext.View.Origin, out Matrix worldMatrix);
             Matrix.Multiply(ref worldMatrix, ref renderContext.View.View, out Matrix viewMatrix);
             Matrix projectionMatrix = renderContext.View.Projection;
-            if (worldSpace && (Canvas.RenderLocation == PostProcessEffectLocation.Default || Canvas.RenderLocation == PostProcessEffectLocation.AfterAntiAliasingPass))
+            if (drawInWorld && (Canvas.RenderLocation == PostProcessEffectLocation.Default || Canvas.RenderLocation == PostProcessEffectLocation.AfterAntiAliasingPass))
                 renderContext.View.GetOverlayProjection(out projectionMatrix); // Fix TAA jittering when rendering UI in world after TAA resolve
             Matrix.Multiply(ref viewMatrix, ref projectionMatrix, out Matrix viewProjectionMatrix);
 
@@ -99,7 +99,7 @@ namespace FlaxEngine
 
             // Render GUI in 3D
             var features = Render2D.Features;
-            if (worldSpace)
+            if (drawInWorld)
                 Render2D.Features &= ~Render2D.RenderingFeatures.VertexSnapping;
             Render2D.CallDrawing(Canvas.GUI, context, input, depthBuffer, ref viewProjectionMatrix);
             Render2D.Features = features;