From fa606ce5f6a5260d2629bdf5435bd7e91d5a2914 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Wed, 21 Feb 2024 22:05:08 +0100
Subject: [PATCH] Fix render view panning when bug when no camera is active

#1997
---
 Source/Engine/Graphics/RenderTask.cpp | 3 +++
 Source/Engine/Graphics/RenderView.cs  | 1 +
 2 files changed, 4 insertions(+)

diff --git a/Source/Engine/Graphics/RenderTask.cpp b/Source/Engine/Graphics/RenderTask.cpp
index 8a10a0444..3527c8627 100644
--- a/Source/Engine/Graphics/RenderTask.cpp
+++ b/Source/Engine/Graphics/RenderTask.cpp
@@ -403,6 +403,9 @@ void SceneRenderTask::OnEnd(GPUContext* context)
     View.PrevView = View.View;
     View.PrevProjection = View.Projection;
     View.PrevViewProjection = View.ViewProjection();
+
+    // Remove jitter from the projection (in case it's unmodified by gameplay eg. due to missing camera)
+    View.Projection = View.NonJitteredProjection;
 }
 
 bool SceneRenderTask::Resize(int32 width, int32 height)
diff --git a/Source/Engine/Graphics/RenderView.cs b/Source/Engine/Graphics/RenderView.cs
index 72cfe3577..f83779a43 100644
--- a/Source/Engine/Graphics/RenderView.cs
+++ b/Source/Engine/Graphics/RenderView.cs
@@ -30,6 +30,7 @@ namespace FlaxEngine
             Frustum = new BoundingFrustum(ref viewProjection);
             Matrix.Invert(ref viewProjection, out IVP);
             CullingFrustum = Frustum;
+            NonJitteredProjection = Projection;
         }
 
         /// <summary>