# \#pie **URL:** https://forums.unrealengine.com/tag/pie/2802.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [nDisplay – Previewing the warped/projected render in-editor during PIE? ](https://forums.unrealengine.com/t/ndisplay-previewing-the-warped-projected-render-in-editor-during-pie/2717025)
**Author:** [@irenec](https://forums.unrealengine.com/u/irenec)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 8:53am UTC](https://forums.unrealengine.com/t/ndisplay-previewing-the-warped-projected-render-in-editor-during-pie/2717025 "2026-10-08T08:53:47Z")
I’m working on a real-time immersive room (~16 m × 5 m) with nDisplay driving a floor and a wall projector. User tracking is via LiDAR, and the interaction logic moves in-scene objects based on user position. The scene … --- ## [Best way to change/tune variables/settings during runtime/PIE?](https://forums.unrealengine.com/t/best-way-to-change-tune-variables-settings-during-runtime-pie/465826)
**Author:** [@Syrill](https://forums.unrealengine.com/u/Syrill)\ **Replies:** 3\ **Last updated:** [September 28, 2026, 8:29pm UTC](https://forums.unrealengine.com/t/best-way-to-change-tune-variables-settings-during-runtime-pie/465826 "2026-09-28T20:29:49Z")
I currently work on a project where the core gameplay is implemented but, since it is physics-based, now needs lots and lots of fine-tuning (several variables in the physics manipulation blueprints, weight of actor, cent… --- ## [Variant Manager dirties editor level during PIE ](https://forums.unrealengine.com/t/variant-manager-dirties-editor-level-during-pie/2729303)
**Author:** [@VeronikaElsikova](https://forums.unrealengine.com/u/VeronikaElsikova)\ **Replies:** 0\ **Last updated:** [June 17, 2026, 1:57pm UTC](https://forums.unrealengine.com/t/variant-manager-dirties-editor-level-during-pie/2729303 "2026-06-17T13:57:13Z")
Summary We have quite complex variant sets, some include variants that modify actors from levels that might not be currently streamed. When we switch on these variants during a PIE or viewport session, the original level… --- ## [Child Actors removed during Play in Editor session but still there in the editor](https://forums.unrealengine.com/t/child-actors-removed-during-play-in-editor-session-but-still-there-in-the-editor/2721239)
**Author:** [@AMadLad](https://forums.unrealengine.com/u/AMadLad)\ **Replies:** 1\ **Last updated:** [May 11, 2026, 5:46am UTC](https://forums.unrealengine.com/t/child-actors-removed-during-play-in-editor-session-but-still-there-in-the-editor/2721239 "2026-05-11T05:46:39Z")
I have some child actors in a blueprint and when I click on play in editor, they disappear. but when I end the session, the child actors are right there where they were. I don’t know what’s causing it at all, pleas… --- ## [Playing: PIE/Viewport Framerate extremly low as opposed to Standalone/packaged](https://forums.unrealengine.com/t/playing-pie-viewport-framerate-extremly-low-as-opposed-to-standalone-packaged/2318587)
**Author:** [@BDC\_Patrick](https://forums.unrealengine.com/u/BDC_Patrick)\ **Replies:** 12\ **Last updated:** [February 7, 2026, 2:34pm UTC](https://forums.unrealengine.com/t/playing-pie-viewport-framerate-extremly-low-as-opposed-to-standalone-packaged/2318587 "2026-02-07T14:34:02Z")
Hi there… Since I reinstalled my Engine 4 Weeks ago, I got a problem when playing my project in new PIE Window, or even inside the Editor Viewport. This problem DOES NOT occur in standalone and packaged game. While pl… --- ## [ComboBoxString OnChanged Event Args Crash PIE and Editor](https://forums.unrealengine.com/t/comboboxstring-onchanged-event-args-crash-pie-and-editor/2681462)
**Author:** [@Doctor\_Kannon](https://forums.unrealengine.com/u/Doctor_Kannon)\ **Replies:** 1\ **Last updated:** [December 3, 2025, 1:02pm UTC](https://forums.unrealengine.com/t/comboboxstring-onchanged-event-args-crash-pie-and-editor/2681462 "2025-12-03T13:02:25Z")
This is occurring again in 5.5.4 I have a UMG Menu with ComboBoxes. The ComboBox options are populated (Add Option) during Event Construct. The ComboBox OnChanged event was simply printing the SelectedItem arg. Howeve… --- ## [Click to move works in the editor (PIE) but not in the packaged project](https://forums.unrealengine.com/t/click-to-move-works-in-the-editor-pie-but-not-in-the-packaged-project/2658102)
**Author:** [@kjvermilion](https://forums.unrealengine.com/u/kjvermilion)\ **Replies:** 7\ **Last updated:** [September 22, 2025, 3:19am UTC](https://forums.unrealengine.com/t/click-to-move-works-in-the-editor-pie-but-not-in-the-packaged-project/2658102 "2025-09-22T03:19:55Z")
I’m using the click-to-move controls from the top down template in Unreal 5.5 and when I’m playing in the editor (PIE) everything works perfectly, but when I package the game the player only moves when you’re holding dow… --- ## [SkyLight not working on streaming level](https://forums.unrealengine.com/t/skylight-not-working-on-streaming-level/2650884)
**Author:** [@HelioHsx](https://forums.unrealengine.com/u/HelioHsx)\ **Replies:** 2\ **Last updated:** [August 26, 2025, 7:40am UTC](https://forums.unrealengine.com/t/skylight-not-working-on-streaming-level/2650884 "2025-08-26T07:40:58Z")
Hello, I have a main persistent level containing two streaming sub-levels. The game starts on the first level and the skylight works correctly there. I then have the character go through a portal which teleports him to … --- ## [Why is an extra player object spawning?](https://forums.unrealengine.com/t/why-is-an-extra-player-object-spawning/366160)
**Author:** [@anonymous\_user\_8c784a6b](https://forums.unrealengine.com/u/anonymous_user_8c784a6b)\ **Replies:** 5\ **Last updated:** [December 25, 2024, 10:51am UTC](https://forums.unrealengine.com/t/why-is-an-extra-player-object-spawning/366160 "2024-12-25T10:51:29Z")
When I run my project in the editor it always spawns an additional player object on its own at what seems like a random location (usually up in the air over the map). I’d like it to not do that. I’m using an unusual met… --- ## [Simulate client disconnect while PIE?](https://forums.unrealengine.com/t/simulate-client-disconnect-while-pie/362974)
**Author:** [@WoefulMacabre](https://forums.unrealengine.com/u/WoefulMacabre)\ **Replies:** 11\ **Last updated:** [November 28, 2024, 7:21pm UTC](https://forums.unrealengine.com/t/simulate-client-disconnect-while-pie/362974 "2024-11-28T19:21:23Z")
Howdy, Not sure which section to post this in, but at any rate, I was wondering if there was any way to prevent the closing of one client closing all other clients and ending a PIE test. Essentially, whenever I’m testi… --- ## [Standalone-PIE connect to PIE-Server](https://forums.unrealengine.com/t/standalone-pie-connect-to-pie-server/2002459)
**Author:** [@wanecque](https://forums.unrealengine.com/u/wanecque)\ **Replies:** 0\ **Last updated:** [September 2, 2024, 6:34pm UTC](https://forums.unrealengine.com/t/standalone-pie-connect-to-pie-server/2002459 "2024-09-02T18:34:27Z")
Hello, I can’t connect my client to my server in PIE mode. One Session Dedicated Server (Launched Separately) Under One Process One Session (Standalone Client) Under One Process So Epic game say that I test with Pa… --- ## [Touch Response in PIE](https://forums.unrealengine.com/t/touch-response-in-pie/475756)
**Author:** [@Virtuality](https://forums.unrealengine.com/u/Virtuality)\ **Replies:** 5\ **Last updated:** [June 17, 2024, 10:16am UTC](https://forums.unrealengine.com/t/touch-response-in-pie/475756 "2024-06-17T10:16:42Z")
Hi, When using a Touch Screen in Windows (a secondary one set up next to my main screen), I get this strange behavior: Play in PIE mode (on the Touch screen): Unreal interprets the very first touch and 3 frames of fin… --- ## [Seamless Travel with Play in Editor](https://forums.unrealengine.com/t/seamless-travel-with-play-in-editor/394250)
**Author:** [@Yata](https://forums.unrealengine.com/u/Yata)\ **Replies:** 21\ **Last updated:** [May 24, 2024, 1:15pm UTC](https://forums.unrealengine.com/t/seamless-travel-with-play-in-editor/394250 "2024-05-24T13:15:17Z")
Hello Epics, any plans to fix Seamless Travel in PIE? You where promising to fix it someday. --- ## [FTickableGameObject, PIE and pause](https://forums.unrealengine.com/t/ftickablegameobject-pie-and-pause/456279)
**Author:** [@Ryder0252](https://forums.unrealengine.com/u/Ryder0252)\ **Replies:** 4\ **Last updated:** [April 24, 2024, 8:05pm UTC](https://forums.unrealengine.com/t/ftickablegameobject-pie-and-pause/456279 "2024-04-24T20:05:41Z")
Hello, I have an Object in a Runtime module that inherits from FTickableGameObject and implements its interface. The problem is: In PIE, when the game (simulation) is paused, my Object still ticks. How to prevent it w… --- ## [Viewport (PIE) Resolution increasing on every launch play](https://forums.unrealengine.com/t/viewport-pie-resolution-increasing-on-every-launch-play/1798417)
**Author:** [@Keena](https://forums.unrealengine.com/u/Keena)\ **Replies:** 0\ **Last updated:** [April 11, 2024, 8:19am UTC](https://forums.unrealengine.com/t/viewport-pie-resolution-increasing-on-every-launch-play/1798417 "2024-04-11T08:19:42Z")
Hey there, will they ever fix this bug? -Or am I missing something here? So, I do have this bug since my beginning with UE4 and - over time - it’s making me crazy… I have a 4K monitor with a scaling of 150%, set in th… --- ## [My PIE client crashed when connecting to dedicated server](https://forums.unrealengine.com/t/my-pie-client-crashed-when-connecting-to-dedicated-server/755793)
**Author:** [@Ragni5917](https://forums.unrealengine.com/u/Ragni5917)\ **Replies:** 1\ **Last updated:** [March 5, 2024, 2:50am UTC](https://forums.unrealengine.com/t/my-pie-client-crashed-when-connecting-to-dedicated-server/755793 "2024-03-05T02:50:59Z")
\-My PIE client crashed when connecting to dedicated server. The world seems to begin to load and then crashes. The server continues to run. PIE net mode - “play as client” Dedicated server is ran using a batch file wit… --- ## [Editor Preview does not show active game scene in VR Preview](https://forums.unrealengine.com/t/editor-preview-does-not-show-active-game-scene-in-vr-preview/1280058)
**Author:** [@teaisgod](https://forums.unrealengine.com/u/teaisgod)\ **Replies:** 1\ **Last updated:** [January 18, 2024, 6:18am UTC](https://forums.unrealengine.com/t/editor-preview-does-not-show-active-game-scene-in-vr-preview/1280058 "2024-01-18T06:18:12Z")
Hi, When I start the VR preview in the editor, the VR preview window pops up and works as expected. However, if I tab back to the editor window and look at the scene preview while the VR preview is running, the scene do… --- ## [How to view gameplay changes in the editor viewport when in VR Preview (PIE)?](https://forums.unrealengine.com/t/how-to-view-gameplay-changes-in-the-editor-viewport-when-in-vr-preview-pie/1336706)
**Author:** [@CodyBrownCAE](https://forums.unrealengine.com/u/CodyBrownCAE)\ **Replies:** 9\ **Last updated:** [January 4, 2024, 1:08pm UTC](https://forums.unrealengine.com/t/how-to-view-gameplay-changes-in-the-editor-viewport-when-in-vr-preview-pie/1336706 "2024-01-04T13:08:03Z")
I’ve recently switched from Unity to learning Unreal Engine and have been using version 5.3. I’m using the VRTemplate sample project with an HP Reverb G2 headset and everything is configured already for proper testing in… --- ## [Making a Pie Chart in UMG Editor](https://forums.unrealengine.com/t/making-a-pie-chart-in-umg-editor/313483)
**Author:** [@Victor\_Matos](https://forums.unrealengine.com/u/Victor_Matos)\ **Replies:** 2\ **Last updated:** [November 13, 2023, 12:16am UTC](https://forums.unrealengine.com/t/making-a-pie-chart-in-umg-editor/313483 "2023-11-13T00:16:06Z")
If I wanted to make a pie chart using a few variables in the UMG Editor, how would I approach doing this? Would I have to use a dynamic material? Would appreciate any advice here :slight\_smile: --- ## [NDisplay or Multiplayer - Best way to broadcast a screen to a projection for a dynamic MOCAP improv show](https://forums.unrealengine.com/t/ndisplay-or-multiplayer-best-way-to-broadcast-a-screen-to-a-projection-for-a-dynamic-mocap-improv-show/1340143)
**Author:** [@joelmendez97](https://forums.unrealengine.com/u/joelmendez97)\ **Replies:** 0\ **Last updated:** [October 21, 2023, 8:11pm UTC](https://forums.unrealengine.com/t/ndisplay-or-multiplayer-best-way-to-broadcast-a-screen-to-a-projection-for-a-dynamic-mocap-improv-show/1340143 "2023-10-21T20:11:35Z")
Hello! This is sort of a complex question, and I’ve reached a wall in my development, so I’m gonna try my best and explain what my issue is. I’m working on a real-time improv performance game that involves two performe… --- ## [PIE 2 players: is it possible to give input to two windows at the same time?](https://forums.unrealengine.com/t/pie-2-players-is-it-possible-to-give-input-to-two-windows-at-the-same-time/395599)
**Author:** [@anonymous\_user\_fdd9bf78](https://forums.unrealengine.com/u/anonymous_user_fdd9bf78)\ **Replies:** 2\ **Last updated:** [September 6, 2023, 8:53am UTC](https://forums.unrealengine.com/t/pie-2-players-is-it-possible-to-give-input-to-two-windows-at-the-same-time/395599 "2023-09-06T08:53:56Z")
Short Version: I’m trying to test a LAN game between 2 players in PIE (so on the same machine). The problem I’m having is that only one window seems to be able to have focus at any one time, while the other window will … --- ## [Destructible mesh spawning in "broken" in packaged build; won't respond to damage or simulate](https://forums.unrealengine.com/t/destructible-mesh-spawning-in-broken-in-packaged-build-wont-respond-to-damage-or-simulate/459848)
**Author:** [@SavvyIndoorsman](https://forums.unrealengine.com/u/SavvyIndoorsman)\ **Replies:** 6\ **Last updated:** [January 2, 2023, 6:10pm UTC](https://forums.unrealengine.com/t/destructible-mesh-spawning-in-broken-in-packaged-build-wont-respond-to-damage-or-simulate/459848 "2023-01-02T18:10:30Z")
Hey everybody. This is a weird one, and I had trouble picking out how to put a title on this question. Our playful sports game uses destructible meshes for our goals — think of “breaking the backboard” and you’ll get th… --- ## [Navigation cannot be used on client instances (not even in PIE)](https://forums.unrealengine.com/t/navigation-cannot-be-used-on-client-instances-not-even-in-pie/300213)
**Author:** [@rajkosto](https://forums.unrealengine.com/u/rajkosto)\ **Replies:** 6\ **Last updated:** [December 2, 2022, 1:43am UTC](https://forums.unrealengine.com/t/navigation-cannot-be-used-on-client-instances-not-even-in-pie/300213 "2022-12-02T01:43:53Z")
By default, NavigationSystem in UWorld is null unless we are a server, according to UNavigationSystem\* UNavigationSystem::CreateNavigationSystem(UWorld\* WorldOwner) So i changed that function to still make it on clients… --- ## [Couldn't spawn player: Failed to find PlayerStart](https://forums.unrealengine.com/t/couldnt-spawn-player-failed-to-find-playerstart/384744)
**Author:** [@Getty\_g](https://forums.unrealengine.com/u/Getty_g)\ **Replies:** 4\ **Last updated:** [May 10, 2022, 10:54am UTC](https://forums.unrealengine.com/t/couldnt-spawn-player-failed-to-find-playerstart/384744 "2022-05-10T10:54:39Z")
Worked fine until now. I get that error when i try play in PIE. --- ## [Editor only spawning one playercontroller despite number of players selected](https://forums.unrealengine.com/t/editor-only-spawning-one-playercontroller-despite-number-of-players-selected/425951)
**Author:** [@anonymous\_user\_b3a426ff1](https://forums.unrealengine.com/u/anonymous_user_b3a426ff1)\ **Replies:** 2\ **Last updated:** [February 21, 2022, 7:23am UTC](https://forums.unrealengine.com/t/editor-only-spawning-one-playercontroller-despite-number-of-players-selected/425951 "2022-02-21T07:23:27Z")
At first I thought it was a problem with my gamemode but even with default gamemode, only one playercontroller is ever spawned. I reverted back to a previous version of my game and still the same. I then booted up the co… --- ## [Standalone game is slower than PIE](https://forums.unrealengine.com/t/standalone-game-is-slower-than-pie/352808)
**Author:** [@gedamial](https://forums.unrealengine.com/u/gedamial)\ **Replies:** 30\ **Last updated:** [November 6, 2021, 4:47pm UTC](https://forums.unrealengine.com/t/standalone-game-is-slower-than-pie/352808 "2021-11-06T16:47:25Z")
Hello. I’m making a FPS game and in the PIE I have 80/90FPS and I see my Actors rotating as they should. When I right-click the uproject file and then Launch Game, the Actors rotate way slower than in the Editor That … --- ## [Doesn't a PIE connect to a OSS Steam dedicated server?](https://forums.unrealengine.com/t/doesnt-a-pie-connect-to-a-oss-steam-dedicated-server/488650)
**Author:** [@Anonymous\_22583195158ea2b184fc29a7e0137d70](https://forums.unrealengine.com/u/Anonymous_22583195158ea2b184fc29a7e0137d70)\ **Replies:** 0\ **Last updated:** [September 11, 2021, 9:53am UTC](https://forums.unrealengine.com/t/doesnt-a-pie-connect-to-a-oss-steam-dedicated-server/488650 "2021-09-11T09:53:13Z")
I just want to use only Steam overlay not any Steam networking system on UE4 game. but when i set DefaultPlatformService=Steam on DefaultEngine.ini, a dedicated server build act on a OSS Steam. it is fine. it is a righ… --- ## [Can't Play in Editor when performing Edit Brush Color operation](https://forums.unrealengine.com/t/cant-play-in-editor-when-performing-edit-brush-color-operation/365372)
**Author:** [@ErrinMiller](https://forums.unrealengine.com/u/ErrinMiller)\ **Replies:** 10\ **Last updated:** [September 7, 2021, 10:21am UTC](https://forums.unrealengine.com/t/cant-play-in-editor-when-performing-edit-brush-color-operation/365372 "2021-09-07T10:21:05Z")
Engine: 4.12.5 Frequency: 4/4 Open Widget Blueprint Open Border Brush Color panel Select color outside of the Color Picker window using Eye-dropper Close Color Picker window Press Play Error: Can’t Play in Editor whe… --- ## [Material appears as default material](https://forums.unrealengine.com/t/material-appears-as-default-material/487378)
**Author:** [@BatYaggy](https://forums.unrealengine.com/u/BatYaggy)\ **Replies:** 0\ **Last updated:** [August 13, 2021, 12:21am UTC](https://forums.unrealengine.com/t/material-appears-as-default-material/487378 "2021-08-13T00:21:50Z")
The material I have works fine in the static mesh editor but at runtime, it appears as the default material. The static mesh instance of the tree has the correct material assigned but the material appears as default. --- ## [Problem with actor properties when switching levels while playing in editor](https://forums.unrealengine.com/t/problem-with-actor-properties-when-switching-levels-while-playing-in-editor/486619)
**Author:** [@rilipurple](https://forums.unrealengine.com/u/rilipurple)\ **Replies:** 1\ **Last updated:** [July 26, 2021, 3:06pm UTC](https://forums.unrealengine.com/t/problem-with-actor-properties-when-switching-levels-while-playing-in-editor/486619 "2021-07-26T15:06:47Z")
I have a problem with actor properties when switching levels while playing in editor. So i have created a MainMenu level and some other levels for the game (LevelA, LevelB and so on) so that the player can choose from th… [Next page](https://forums.unrealengine.com/tag/pie/2802.md?match_all_tags=true&page=1&tags%5B%5D=pie)