# \#viewport **URL:** https://forums.unrealengine.com/tag/viewport/134.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Is there any way to use Constrain Aspect Ratio and Aspect Ratio Axis Constraint at the same time?](https://forums.unrealengine.com/t/is-there-any-way-to-use-constrain-aspect-ratio-and-aspect-ratio-axis-constraint-at-the-same-time/2736756)
**Author:** [@UpCastAlex](https://forums.unrealengine.com/u/UpCastAlex)\ **Replies:** 2\ **Last updated:** [October 30, 2026, 4:24am UTC](https://forums.unrealengine.com/t/is-there-any-way-to-use-constrain-aspect-ratio-and-aspect-ratio-axis-constraint-at-the-same-time/2736756 "2026-10-30T04:24:17Z")
Simple as the title implies, is there any way to use Constrain Aspect Ratio and Aspect Ratio Axis Constraint at the same time? By default, the engine will use the “Maintain Y-Axis FOV” when adjusting the window size to … --- ## [5.8 viewport PIP crashes when selecting a camera actor with Tonemapper materials](https://forums.unrealengine.com/t/5-8-viewport-pip-crashes-when-selecting-a-camera-actor-with-tonemapper-materials/2746320)
**Author:** [@CryMasK](https://forums.unrealengine.com/u/CryMasK)\ **Replies:** 1\ **Last updated:** [October 20, 2026, 11:03am UTC](https://forums.unrealengine.com/t/5-8-viewport-pip-crashes-when-selecting-a-camera-actor-with-tonemapper-materials/2746320 "2026-10-20T11:03:48Z")
Summary Editor crashes with an RDG validation assert when you select an actor whose Camera Component has a post process material with Blendable Location “Replacing the Tonemapper”. Regression: works in 5.6. What Type … --- ## [Character falling in Blueprint viewport](https://forums.unrealengine.com/t/character-falling-in-blueprint-viewport/330631)
**Author:** [@SolitaryTurian](https://forums.unrealengine.com/u/SolitaryTurian)\ **Replies:** 10\ **Last updated:** [July 28, 2026, 7:19am UTC](https://forums.unrealengine.com/t/character-falling-in-blueprint-viewport/330631 "2026-07-28T07:19:50Z")
After upgrading from 4.8 to 4.9, I’ve noticed my Character appears to be falling in the Blueprint viewport (see the screenshot.) Before the engine update he was using the idle animation where he stands, but now he starts… --- ## [umg animations when removing/adding from viewport](https://forums.unrealengine.com/t/umg-animations-when-removing-adding-from-viewport/2722919)
**Author:** [@jr557](https://forums.unrealengine.com/u/jr557)\ **Replies:** 0\ **Last updated:** [May 18, 2026, 11:45pm UTC](https://forums.unrealengine.com/t/umg-animations-when-removing-adding-from-viewport/2722919 "2026-05-18T23:45:05Z")
when i call RemoveFromParent() on a widget with a UMG animation playing, it seems to stop or pause the animation that’s playing. when i add the widget back to the viewport the animation is stopped and my “animation finis… --- ## [UE-96080 - collision meshes not rendered correctly in collision view modes](https://forums.unrealengine.com/t/ue-96080-collision-meshes-not-rendered-correctly-in-collision-view-modes/2720624)
**Author:** [@addyhush1](https://forums.unrealengine.com/u/addyhush1)\ **Replies:** 0\ **Last updated:** [May 7, 2026, 3:17pm UTC](https://forums.unrealengine.com/t/ue-96080-collision-meshes-not-rendered-correctly-in-collision-view-modes/2720624 "2026-05-07T15:17:44Z")
Summary “Complex Collision Meshes” assigned to static meshes are ignored in the view mode “Visibility Collision” and also “Player Collision”. Instead of the expected assigned complex collision mesh, the viewport uses the… --- ## [How do I rotate (spin) the top view in Unreal Editor?](https://forums.unrealengine.com/t/how-do-i-rotate-spin-the-top-view-in-unreal-editor/2529712)
**Author:** [@drnooe](https://forums.unrealengine.com/u/drnooe)\ **Replies:** 7\ **Last updated:** [April 16, 2026, 9:00pm UTC](https://forums.unrealengine.com/t/how-do-i-rotate-spin-the-top-view-in-unreal-editor/2529712 "2026-04-16T21:00:02Z")
hey guys, I’m in the top-down view in the Unreal viewport. I have a diagonal line in my level (a plane viewed from far away), and I want to rotate the viewport camera (not the object and not a camera actor aswell) so th… --- ## [Why won't this da‎‎‎‎mn thing save (Flags Viewport)!? \>:{ ](https://forums.unrealengine.com/t/why-wont-this-da-mn-thing-save-flags-viewport/2705946)
**Author:** [@bob28](https://forums.unrealengine.com/u/bob28)\ **Replies:** 0\ **Last updated:** [March 13, 2026, 2:27pm UTC](https://forums.unrealengine.com/t/why-wont-this-da-mn-thing-save-flags-viewport/2705946 "2026-03-13T14:27:25Z")
Example: \[Click play\] I’m in a level with a character. I click on the “eye” in the top right corner, and makes some changes (e.g. Clouds = Off, Blur = Off etc…) If I \[Stop\] the game, then press \[Play\] again; everything … --- ## [Metallic value shown in Ray Tracing Debug visualization appears gamma corrected compared to the actual input value ](https://forums.unrealengine.com/t/metallic-value-shown-in-ray-tracing-debug-visualization-appears-gamma-corrected-compared-to-the-actual-input-value/2704773)
**Author:** [@JackChang0226](https://forums.unrealengine.com/u/JackChang0226)\ **Replies:** 0\ **Last updated:** [March 9, 2026, 2:03pm UTC](https://forums.unrealengine.com/t/metallic-value-shown-in-ray-tracing-debug-visualization-appears-gamma-corrected-compared-to-the-actual-input-value/2704773 "2026-03-09T14:03:18Z")
Hi, I noticed something confusing while inspecting material parameters using the Ray Tracing Debug visualization in Unreal Engine 5.5.4. To reproduce the issue, I created a very simple scene: Two spheres Both sph… --- ## [Mouse Cursor Flickering and FPS Drops in Editor (FPS Stable Only When Right Click Is Held)](https://forums.unrealengine.com/t/mouse-cursor-flickering-and-fps-drops-in-editor-fps-stable-only-when-right-click-is-held/2616176)
**Author:** [@theamazingtr16](https://forums.unrealengine.com/u/theamazingtr16)\ **Replies:** 4\ **Last updated:** [January 18, 2026, 7:36pm UTC](https://forums.unrealengine.com/t/mouse-cursor-flickering-and-fps-drops-in-editor-fps-stable-only-when-right-click-is-held/2616176 "2026-01-18T19:36:21Z")
Summary Hello everyone, I’m experiencing a strange issue in the Unreal Engine Editor. My mouse cursor keeps flickering and there are constant FPS fluctuations when working in the editor. The FPS usually drops from my no… --- ## [Ivan Elizarov - Multi View Projection Tools](https://forums.unrealengine.com/t/ivan-elizarov-multi-view-projection-tools/2692107)
**Author:** [@Ivan\_Elizarov](https://forums.unrealengine.com/u/Ivan_Elizarov)\ **Replies:** 0\ **Last updated:** [January 14, 2026, 3:12pm UTC](https://forums.unrealengine.com/t/ivan-elizarov-multi-view-projection-tools/2692107 "2026-01-14T15:12:01Z")
MultiViewProjectionTools MultiViewProjectionTools is a multi-viewport plugin for Unreal Engine that enables custom viewport layout, per-camera viewport rendering, standalone viewport windows, and flexible multi-ca… --- ## [Viewport snapping goes off grid, XY Widget snapping stays on grid. ](https://forums.unrealengine.com/t/viewport-snapping-goes-off-grid-xy-widget-snapping-stays-on-grid/2683100)
**Author:** [@John\_Slam](https://forums.unrealengine.com/u/John_Slam)\ **Replies:** 0\ **Last updated:** [December 8, 2025, 2:25pm UTC](https://forums.unrealengine.com/t/viewport-snapping-goes-off-grid-xy-widget-snapping-stays-on-grid/2683100 "2025-12-08T14:25:43Z")
Hello, I haven’t seen this talked about, but the viewport snapping option seems to completely go off the actual grid and uses some invisible viewport grid. This grid adjusts to your screen, and can really mess things up… --- ## [Rotate Orthographic Viewport Cameras?](https://forums.unrealengine.com/t/rotate-orthographic-viewport-cameras/313013)
**Author:** [@nimbusstev](https://forums.unrealengine.com/u/nimbusstev)\ **Replies:** 10\ **Last updated:** [December 7, 2025, 3:34pm UTC](https://forums.unrealengine.com/t/rotate-orthographic-viewport-cameras/313013 "2025-12-07T15:34:58Z")
I started a project using the Side Scroller Blueprint template, and the game is set up so that the character faces -Y. “D/Right” moves in -Y and “A/Left” moves in +Y. However, if you go into the side view viewport, every… --- ## [anyone know how to get a spline visible in viewport?](https://forums.unrealengine.com/t/anyone-know-how-to-get-a-spline-visible-in-viewport/2680173)
**Author:** [@ratatattat99](https://forums.unrealengine.com/u/ratatattat99)\ **Replies:** 4\ **Last updated:** [November 30, 2025, 2:33pm UTC](https://forums.unrealengine.com/t/anyone-know-how-to-get-a-spline-visible-in-viewport/2680173 "2025-11-30T14:33:50Z")
hey im trying to get a spline (created via blueprint/scripting) to display in the viewport i asked both gemini and the UE ai and neither one can give me anything that works im using splines to try to get visual aids fo… --- ## [DEALBREAKER FEATURE REQUEST for View Sets, Scenes, and Layer Management ](https://forums.unrealengine.com/t/dealbreaker-feature-request-for-view-sets-scenes-and-layer-management/2674363)
**Author:** [@joseph.lico.som](https://forums.unrealengine.com/u/joseph.lico.som)\ **Replies:** 0\ **Last updated:** [November 12, 2025, 9:09pm UTC](https://forums.unrealengine.com/t/dealbreaker-feature-request-for-view-sets-scenes-and-layer-management/2674363 "2025-11-12T21:09:25Z")
Any Twinmotion developer, please read. This is a must fix in order for us to keep continuing to use Twinmotion in our design process. View sets work great in concept, but fail at a behavior that I would assume is intui… --- ## [Strange behavior of frozen frames and viewport desynchronization in nDisplay with Mesh Projection in UE 5.6.1](https://forums.unrealengine.com/t/strange-behavior-of-frozen-frames-and-viewport-desynchronization-in-ndisplay-with-mesh-projection-in-ue-5-6-1/2669639)
**Author:** [@OperStyle18](https://forums.unrealengine.com/u/OperStyle18)\ **Replies:** 0\ **Last updated:** [October 29, 2025, 9:59am UTC](https://forums.unrealengine.com/t/strange-behavior-of-frozen-frames-and-viewport-desynchronization-in-ndisplay-with-mesh-projection-in-ue-5-6-1/2669639 "2025-10-29T09:59:41Z")
Hello everyone, I have already written about this issue, but I want to rewrite everything in a more logical way! When migrating the project from Unreal Engine 5.3.2 to 5.6.1, we encountered a critical bug in nDisplay on… --- ## [UE 5.6 Niagara Viewport Flickering ](https://forums.unrealengine.com/t/ue-5-6-niagara-viewport-flickering/2668426)
**Author:** [@Nedidark](https://forums.unrealengine.com/u/Nedidark)\ **Replies:** 0\ **Last updated:** [October 24, 2025, 10:49pm UTC](https://forums.unrealengine.com/t/ue-5-6-niagara-viewport-flickering/2668426 "2025-10-24T22:49:04Z")
Summary In UE 5.6, whenever I use the Niagara timeline manually to view my particle frame by frame it flickers brightly in the viewport compared to it being smooth like in my UE 5.5 project. Please select what you are r… --- ## [Destructible mesh editor, viewport too dark](https://forums.unrealengine.com/t/destructible-mesh-editor-viewport-too-dark/310791)
**Author:** [@anonymous\_user\_b9d6f105](https://forums.unrealengine.com/u/anonymous_user_b9d6f105)\ **Replies:** 17\ **Last updated:** [September 18, 2025, 7:01am UTC](https://forums.unrealengine.com/t/destructible-mesh-editor-viewport-too-dark/310791 "2025-09-18T07:01:07Z")
I don’t wanna sound like a whiny baby here, but I’ve been messing around with destructible meshes at first using PhysX Lab and importing but ran into issues. So now, I’m using UE’s built in DM editor. I can’t see anyt… --- ## [Path Tracer looks much better in viewport vs exported image](https://forums.unrealengine.com/t/path-tracer-looks-much-better-in-viewport-vs-exported-image/2653511)
**Author:** [@RB\_Brendan](https://forums.unrealengine.com/u/RB_Brendan)\ **Replies:** 1\ **Last updated:** [September 12, 2025, 6:05pm UTC](https://forums.unrealengine.com/t/path-tracer-looks-much-better-in-viewport-vs-exported-image/2653511 "2025-09-12T18:05:46Z")
I have been noticing that my Path Tracing views look much better in the viewport than what is being exported from the MRQ. Has anyone else experienced this and might understand what I need to do? I can’t use the High Res… --- ## [Two Small Questions about the Viewport Toolbar ](https://forums.unrealengine.com/t/two-small-questions-about-the-viewport-toolbar/2652566)
**Author:** [@blackdrazon](https://forums.unrealengine.com/u/blackdrazon)\ **Replies:** 4\ **Last updated:** [September 2, 2025, 6:24am UTC](https://forums.unrealengine.com/t/two-small-questions-about-the-viewport-toolbar/2652566 "2025-09-02T06:24:41Z")
I’m trying to figure out something extremely basic. First off, on my computer, the toolbar above the viewport has a solid background, and looks like any toolbar in Windows. In screenshots and tutorials, however, I genera… --- ## [\[4.6 preview\] camera editor falls down endlessly](https://forums.unrealengine.com/t/4-6-preview-camera-editor-falls-down-endlessly/299086)
**Author:** [@uced](https://forums.unrealengine.com/u/uced)\ **Replies:** 15\ **Last updated:** [August 30, 2025, 1:09pm UTC](https://forums.unrealengine.com/t/4-6-preview-camera-editor-falls-down-endlessly/299086 "2025-08-30T13:09:10Z")
Hi, Don’t know what happened, 4.6 seemed to work fine. I updated my code, suppressed all the warnings, made a few changes, so i don’t know what triggered the problem. Now when i open the editor, the viewport camera st… --- ## [How to reset viewport camera?](https://forums.unrealengine.com/t/how-to-reset-viewport-camera/455933)
**Author:** [@zebuleon](https://forums.unrealengine.com/u/zebuleon)\ **Replies:** 6\ **Last updated:** [July 31, 2025, 4:03pm UTC](https://forums.unrealengine.com/t/how-to-reset-viewport-camera/455933 "2025-07-31T16:03:47Z")
Somehow my camera got messed up. When I hold the right mouse button to look around the directions are rotated one step counterclockwise. So moving left is up, right is down, up is right and down is left. like the camera… --- ## [glitches when I navigate into the viewport ](https://forums.unrealengine.com/t/glitches-when-i-navigate-into-the-viewport/2609606)
**Author:** [@simultan\_xavier](https://forums.unrealengine.com/u/simultan_xavier)\ **Replies:** 2\ **Last updated:** [July 18, 2025, 8:07pm UTC](https://forums.unrealengine.com/t/glitches-when-i-navigate-into-the-viewport/2609606 "2025-07-18T20:07:09Z")
Ehi guys, I need your help. First time in unreal. When I navigate inside the viewport I got these strange glitches/flickering as if the image breaks down in some parts. I have 2x 4090 and nvdia studio driver 576.80. Than… --- ## [Move multiple items in viewport by a specific distance](https://forums.unrealengine.com/t/move-multiple-items-in-viewport-by-a-specific-distance/438797)
**Author:** [@David\_Oaken](https://forums.unrealengine.com/u/David_Oaken)\ **Replies:** 5\ **Last updated:** [July 10, 2025, 6:30pm UTC](https://forums.unrealengine.com/t/move-multiple-items-in-viewport-by-a-specific-distance/438797 "2025-07-10T18:30:18Z")
so let say you have three objects in your scene at locations (x,y,z). a. 10,10,25 b. 13,83,94 c. 86,63,96 and you want to move them to a. 10,10,15 b. 13,83,84 c. 86,63,86 So basically move them all down by ten un… --- ## [GetRenderTargetTexture() on GameViewport works in editor mode, but returns 0 in standalone](https://forums.unrealengine.com/t/getrendertargettexture-on-gameviewport-works-in-editor-mode-but-returns-0-in-standalone/327059)
**Author:** [@Yu\_He](https://forums.unrealengine.com/u/Yu_He)\ **Replies:** 12\ **Last updated:** [July 9, 2025, 3:39pm UTC](https://forums.unrealengine.com/t/getrendertargettexture-on-gameviewport-works-in-editor-mode-but-returns-0-in-standalone/327059 "2025-07-09T15:39:21Z")
I’m trying to get a native texture pointer to the content currently displayed on screen. Using 4.8.3 and executing the following code on the render thread: GEngine-\>GameViewport-\>GetGameViewport()-\>GetRenderTargetTextu… --- ## [How do i copy/mirror an rectlight in blueprint?](https://forums.unrealengine.com/t/how-do-i-copy-mirror-an-rectlight-in-blueprint/2572361)
**Author:** [@BasDaBas](https://forums.unrealengine.com/u/BasDaBas)\ **Replies:** 0\ **Last updated:** [June 23, 2025, 3:09pm UTC](https://forums.unrealengine.com/t/how-do-i-copy-mirror-an-rectlight-in-blueprint/2572361 "2025-06-23T15:09:32Z")
So what I’m trying to do is that I’m working on an interior and I would like to be able to mirror objects on the Y Axis. Mainly static mesh actors like Pillows, or rectlights all in the viewport so not in playmode. The … --- ## [Camera Moves Backwards When I Press Mouse Button](https://forums.unrealengine.com/t/camera-moves-backwards-when-i-press-mouse-button/2551566)
**Author:** [@Skaborous](https://forums.unrealengine.com/u/Skaborous)\ **Replies:** 0\ **Last updated:** [June 11, 2025, 3:10pm UTC](https://forums.unrealengine.com/t/camera-moves-backwards-when-i-press-mouse-button/2551566 "2025-06-11T15:10:52Z")
So as it says in the title, when i am in the UE editor, the camera moves backwards when i hold the right mouse button. This has bugged me for a while but the strange thing is that this bug is never consistent. It will h… --- ## [New 5.6 Viewport Panel is not very good](https://forums.unrealengine.com/t/new-5-6-viewport-panel-is-not-very-good/2542974)
**Author:** [@Engelard](https://forums.unrealengine.com/u/Engelard)\ **Replies:** 0\ **Last updated:** [June 5, 2025, 8:11pm UTC](https://forums.unrealengine.com/t/new-5-6-viewport-panel-is-not-very-good/2542974 "2025-06-05T20:11:21Z")
First thing I’ve noticed today when updated to 5.6 is that my most primary tool in viewport was almost removed - Camera Speed. Look how hidden it is now: On screenshot I crumbled the Modeling Window(on the left) to … --- ## [Exponential Height Fog Volumetric "Start Distance" Visible in MRQ Renders](https://forums.unrealengine.com/t/exponential-height-fog-volumetric-start-distance-visible-in-mrq-renders/2534832)
**Author:** [@mmmmmark](https://forums.unrealengine.com/u/mmmmmark)\ **Replies:** 0\ **Last updated:** [May 31, 2025, 2:59am UTC](https://forums.unrealengine.com/t/exponential-height-fog-volumetric-start-distance-visible-in-mrq-renders/2534832 "2025-05-31T02:59:33Z")
Hello Forum folks, The European Black Adler tree shadows are visible where the volumetric fog’s starts in MRQ renders, but the viewport looks correct. Only solve I’ve seen is to remove Start Distance entirely so fog… --- ## [Unwanted behavior of an UMG object with viewport](https://forums.unrealengine.com/t/unwanted-behavior-of-an-umg-object-with-viewport/2528714)
**Author:** [@jabetsgi](https://forums.unrealengine.com/u/jabetsgi)\ **Replies:** 0\ **Last updated:** [May 26, 2025, 1:40pm UTC](https://forums.unrealengine.com/t/unwanted-behavior-of-an-umg-object-with-viewport/2528714 "2025-05-26T13:40:24Z")
The problem i have is UMG object renders outside of camera view when viewport aspect ratio isn’t the same as game aspect ratio making black bars appear and i’d like the UMG object to not render on top of the black bars, … --- ## [Cinematic Viewport Doesn't Use Cameras From the Level Sequence](https://forums.unrealengine.com/t/cinematic-viewport-doesnt-use-cameras-from-the-level-sequence/388152)
**Author:** [@CharlieTheTall](https://forums.unrealengine.com/u/CharlieTheTall)\ **Replies:** 5\ **Last updated:** [May 22, 2025, 7:01pm UTC](https://forums.unrealengine.com/t/cinematic-viewport-doesnt-use-cameras-from-the-level-sequence/388152 "2025-05-22T19:01:31Z")
Using the 3rd person blueprint template, I created a level sequence to get more familiar with the system. I used cameras and the 3rd person mesh. I set up my viewports using the published guidelines on setting up the C… [Next page](https://forums.unrealengine.com/tag/viewport/134.md?match_all_tags=true&page=1&tags%5B%5D=viewport)