# \#how-to **URL:** https://forums.unrealengine.com/tag/how-to/553.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [How to live test games on phone](https://forums.unrealengine.com/t/how-to-live-test-games-on-phone/375563)
**Author:** [@678GUY](https://forums.unrealengine.com/u/678GUY)\ **Replies:** 6\ **Last updated:** [January 18, 2026, 6:26am UTC](https://forums.unrealengine.com/t/how-to-live-test-games-on-phone/375563 "2026-01-18T06:26:50Z")
i want to live test my game on a phone how can i do that? --- ## [Unreal Engine 5.2 Foliage drops my frame rate from 60 to 12 fps](https://forums.unrealengine.com/t/unreal-engine-5-2-foliage-drops-my-frame-rate-from-60-to-12-fps/1280173)
**Author:** [@chrisstjohn853](https://forums.unrealengine.com/u/chrisstjohn853)\ **Replies:** 3\ **Last updated:** [February 19, 2025, 11:59pm UTC](https://forums.unrealengine.com/t/unreal-engine-5-2-foliage-drops-my-frame-rate-from-60-to-12-fps/1280173 "2025-02-19T23:59:16Z")
When using foliage my frame rate is dropped from 60fps down to 12 fps or lower. I have maybe 35 trees in my scene (Nanite Enabled), I am using Virtual shadow maps and lumen as altering them doesn’t do anything to improvi… --- ## [How do i record video in game](https://forums.unrealengine.com/t/how-do-i-record-video-in-game/374008)
**Author:** [@678GUY](https://forums.unrealengine.com/u/678GUY)\ **Replies:** 27\ **Last updated:** [January 5, 2025, 7:49pm UTC](https://forums.unrealengine.com/t/how-do-i-record-video-in-game/374008 "2025-01-05T19:49:10Z")
i want to capture a video in game and save it in game how do i do that? --- ## [How do i check for a specific in text/string/name](https://forums.unrealengine.com/t/how-do-i-check-for-a-specific-in-text-string-name/372026)
**Author:** [@678GUY](https://forums.unrealengine.com/u/678GUY)\ **Replies:** 5\ **Last updated:** [December 27, 2024, 1:47am UTC](https://forums.unrealengine.com/t/how-do-i-check-for-a-specific-in-text-string-name/372026 "2024-12-27T01:47:21Z")
i want to check if there is a specific word in a text/name/string how can i do it ? please help --- ## [How to Increase/decrease Flashlight Brightness?](https://forums.unrealengine.com/t/how-to-increase-decrease-flashlight-brightness/415850)
**Author:** [@four2nothin](https://forums.unrealengine.com/u/four2nothin)\ **Replies:** 14\ **Last updated:** [December 19, 2024, 4:09pm UTC](https://forums.unrealengine.com/t/how-to-increase-decrease-flashlight-brightness/415850 "2024-12-19T16:09:52Z")
How would I go about increasing/decreasing flashlight intensity with the scroll wheel ? I know how to set up the input for the mouse wheel, but I’m just having trouble with mapping out the function for increasing/decreas… --- ## [How do I make a Loading Screen?](https://forums.unrealengine.com/t/how-do-i-make-a-loading-screen/282241)
**Author:** [@varomix](https://forums.unrealengine.com/u/varomix)\ **Replies:** 19\ **Last updated:** [November 6, 2024, 1:55pm UTC](https://forums.unrealengine.com/t/how-do-i-make-a-loading-screen/282241 "2024-11-06T13:55:25Z")
Hi I’ve noticed that when I run my game, textures are not completely loaded, they show low res and then they load completely so, How can I preload all my assests so this doesn’t happen? I want to have like a loading s… --- ## [Ingame FOV and Resolution changers](https://forums.unrealengine.com/t/ingame-fov-and-resolution-changers/1825246)
**Author:** [@InnocentPRO](https://forums.unrealengine.com/u/InnocentPRO)\ **Replies:** 1\ **Last updated:** [July 19, 2024, 9:51pm UTC](https://forums.unrealengine.com/t/ingame-fov-and-resolution-changers/1825246 "2024-07-19T21:51:13Z")
Hey there, anybody know how to make changers for things in the settings of the players like changing their FOV and resolution and maybe color blind mode if possible? i have looked but haven’t found any answers to this. A… --- ## [How to send an input key event from code?](https://forums.unrealengine.com/t/how-to-send-an-input-key-event-from-code/286270)
**Author:** [@anonymous\_user\_18f53fd0](https://forums.unrealengine.com/u/anonymous_user_18f53fd0)\ **Replies:** 11\ **Last updated:** [March 26, 2024, 7:53pm UTC](https://forums.unrealengine.com/t/how-to-send-an-input-key-event-from-code/286270 "2024-03-26T19:53:03Z")
I’m creating a plugin that accepts input from over a network. I’m trying to send these key events to unreal as if those keys had been pressed on the keyboard of the local machine. However, I can’t find any way to post … --- ## [Making a repulsion volume problems](https://forums.unrealengine.com/t/making-a-repulsion-volume-problems/473911)
**Author:** [@anonymous\_user\_04b5ac74](https://forums.unrealengine.com/u/anonymous_user_04b5ac74)\ **Replies:** 6\ **Last updated:** [February 25, 2024, 3:16pm UTC](https://forums.unrealengine.com/t/making-a-repulsion-volume-problems/473911 "2024-02-25T15:16:39Z")
i Have tried launch character but it is pretty jagged and it needs to be smooth --- ## [How can I make a grappling hook?](https://forums.unrealengine.com/t/how-can-i-make-a-grappling-hook/295220)
**Author:** [@anonymous\_user\_a900d5e01](https://forums.unrealengine.com/u/anonymous_user_a900d5e01)\ **Replies:** 13\ **Last updated:** [January 7, 2024, 2:50pm UTC](https://forums.unrealengine.com/t/how-can-i-make-a-grappling-hook/295220 "2024-01-07T14:50:05Z")
Pretty self-explanationy. --- ## [How print and how open the console?](https://forums.unrealengine.com/t/how-print-and-how-open-the-console/413494)
**Author:** [@anonymous\_user\_4b5aaaa9](https://forums.unrealengine.com/u/anonymous_user_4b5aaaa9)\ **Replies:** 6\ **Last updated:** [October 31, 2023, 8:17pm UTC](https://forums.unrealengine.com/t/how-print-and-how-open-the-console/413494 "2023-10-31T20:17:26Z")
I want to say “hello world” in the console and also how open the console in the game --- ## [How can I know the system requiments of my game and change it?](https://forums.unrealengine.com/t/how-can-i-know-the-system-requiments-of-my-game-and-change-it/292343)
**Author:** [@Ben\_Alffasy](https://forums.unrealengine.com/u/Ben_Alffasy)\ **Replies:** 3\ **Last updated:** [November 18, 2023, 11:39pm UTC](https://forums.unrealengine.com/t/how-can-i-know-the-system-requiments-of-my-game-and-change-it/292343 "2023-11-18T23:39:12Z")
How can I know the system requiments of my game and change it? --- ## [how to make an invisible meterial?](https://forums.unrealengine.com/t/how-to-make-an-invisible-meterial/378908)
**Author:** [@678GUY](https://forums.unrealengine.com/u/678GUY)\ **Replies:** 5\ **Last updated:** [October 27, 2023, 12:17am UTC](https://forums.unrealengine.com/t/how-to-make-an-invisible-meterial/378908 "2023-10-27T00:17:21Z")
is there any way to make an invisible meterial ? even if it means changing engine files --- ## ["How to Play" Bullet Points Not Showing as Expected While Loading Into Game on Approved Island.](https://forums.unrealengine.com/t/how-to-play-bullet-points-not-showing-as-expected-while-loading-into-game-on-approved-island/1345754)
**Author:** [@Duke\_of\_Money](https://forums.unrealengine.com/u/Duke_of_Money)\ **Replies:** 0\ **Last updated:** [October 26, 2023, 4:10am UTC](https://forums.unrealengine.com/t/how-to-play-bullet-points-not-showing-as-expected-while-loading-into-game-on-approved-island/1345754 "2023-10-26T04:10:35Z")
Please select what you are reporting on: Unreal Editor for Fortnite What Type of Bug are you experiencing? Publishing Summary When I publish my UEFN map, some releases will have the three pre-game “How to Play” instruc… --- ## [Is it possible to track bug reports?](https://forums.unrealengine.com/t/is-it-possible-to-track-bug-reports/313200)
**Author:** [@jechli\_1](https://forums.unrealengine.com/u/jechli_1)\ **Replies:** 10\ **Last updated:** [September 15, 2023, 4:47am UTC](https://forums.unrealengine.com/t/is-it-possible-to-track-bug-reports/313200 "2023-09-15T04:47:45Z")
I’m currently trying to track progress of bug report UE-11266. At this point I’m constantly ue4 staff about when and in which version of UE4 will bug be fixed, but it would be more efficient for me and them if I could j… --- ## [Widget switcher: It works, but is this how its suppsed to work?](https://forums.unrealengine.com/t/widget-switcher-it-works-but-is-this-how-its-suppsed-to-work/321815)
**Author:** [@anonymous\_user\_7a972e90](https://forums.unrealengine.com/u/anonymous_user_7a972e90)\ **Replies:** 4\ **Last updated:** [August 11, 2023, 4:31pm UTC](https://forums.unrealengine.com/t/widget-switcher-it-works-but-is-this-how-its-suppsed-to-work/321815 "2023-08-11T16:31:22Z")
This is the ONLY code/BP that I use for widget switcher. The text1 and 2 are widgets. The highlighted box below is the switcher --- ## [How do you fix the Warning : Character.ArrowComponenet is not blueprint visible?](https://forums.unrealengine.com/t/how-do-you-fix-the-warning-character-arrowcomponenet-is-not-blueprint-visible/406606)
**Author:** [@four2nothin](https://forums.unrealengine.com/u/four2nothin)\ **Replies:** 1\ **Last updated:** [May 21, 2023, 8:55pm UTC](https://forums.unrealengine.com/t/how-do-you-fix-the-warning-character-arrowcomponenet-is-not-blueprint-visible/406606 "2023-05-21T20:55:23Z")
How do you fix the error Character.ArrowComponenet is not blueprint visible ? I am following a youtube tutorial in which the creator is using an older version. It doesn’t give a Warning in his video however I need to fi… --- ## [How to compare two rotations?](https://forums.unrealengine.com/t/how-to-compare-two-rotations/396519)
**Author:** [@JerichoBLT](https://forums.unrealengine.com/u/JerichoBLT)\ **Replies:** 5\ **Last updated:** [May 2, 2023, 6:07am UTC](https://forums.unrealengine.com/t/how-to-compare-two-rotations/396519 "2023-05-02T06:07:09Z")
I need to return a float value that tells me just how much alike two rotations are. In other words: How accurate they are to each other. For example: If both rotations are exactly the same, then the max float value wi… --- ## [How do I uninstall UE4 on a Mac?](https://forums.unrealengine.com/t/how-do-i-uninstall-ue4-on-a-mac/281228)
**Author:** [@DrabWeb\_1](https://forums.unrealengine.com/u/DrabWeb_1)\ **Replies:** 14\ **Last updated:** [April 25, 2023, 5:07pm UTC](https://forums.unrealengine.com/t/how-do-i-uninstall-ue4-on-a-mac/281228 "2023-04-25T17:07:01Z")
I was wondering how to uninstall UE4 on OSX 10.9.2, because there is no uninstaller app. Just a list of all the files that UE4 uses so I could delete them would be very useful. Thanks! --- ## [Actor object reference not compatible with object reference](https://forums.unrealengine.com/t/actor-object-reference-not-compatible-with-object-reference/1139065)
**Author:** [@Mr.Beluved](https://forums.unrealengine.com/u/Mr.Beluved)\ **Replies:** 2\ **Last updated:** [April 24, 2023, 9:07am UTC](https://forums.unrealengine.com/t/actor-object-reference-not-compatible-with-object-reference/1139065 "2023-04-24T09:07:53Z")
I’m following this ( 13: Unreal Chess: Game Mode Initialization - YouTube ) tutorial but get this issue where my get array won’t connect to my set reference variable. The Get and Length is connected to “get all actors o… --- ## [How to reference blueprint as a type in C++](https://forums.unrealengine.com/t/how-to-reference-blueprint-as-a-type-in-c/297907)
**Author:** [@anonymous\_user\_07d219e0](https://forums.unrealengine.com/u/anonymous_user_07d219e0)\ **Replies:** 4\ **Last updated:** [April 10, 2023, 6:31pm UTC](https://forums.unrealengine.com/t/how-to-reference-blueprint-as-a-type-in-c/297907 "2023-04-10T18:31:30Z")
How can a reference a blueprint (from a string) as a type such that I would be able to declare an object of type blueprint --- ## [UE Respawn system](https://forums.unrealengine.com/t/ue-respawn-system/810112)
**Author:** [@ZidakOK](https://forums.unrealengine.com/u/ZidakOK)\ **Replies:** 0\ **Last updated:** [March 23, 2023, 3:33pm UTC](https://forums.unrealengine.com/t/ue-respawn-system/810112 "2023-03-23T15:33:34Z")
Hello, can somebody help me, why i cant spawn, when i die while iam in air? normally it works good, but then you will jump and cant spawn at all xD Yt video : UE4 respawn test - fail - YouTube (client 2 wont spawn as y… --- ## [How to convert a video into a particle?](https://forums.unrealengine.com/t/how-to-convert-a-video-into-a-particle/740750)
**Author:** [@GoodGame150](https://forums.unrealengine.com/u/GoodGame150)\ **Replies:** 0\ **Last updated:** [January 2, 2023, 9:50pm UTC](https://forums.unrealengine.com/t/how-to-convert-a-video-into-a-particle/740750 "2023-01-02T21:50:12Z")
Is there a way to use an mp4 video or a set of images/frames as a particle system? --- ## [jump](https://forums.unrealengine.com/t/jump/725462)
**Author:** [@GambasdeBamaco](https://forums.unrealengine.com/u/GambasdeBamaco)\ **Replies:** 1\ **Last updated:** [December 10, 2022, 10:27pm UTC](https://forums.unrealengine.com/t/jump/725462 "2022-12-10T22:27:01Z")
Hello I am a beginner on unreal engine, I would like to know how I could create a blueprint program that would allow my actor to jump to a defined location, when I press my space key and look at that location. So I was … --- ## [Open Level Node Stops Throbber Animation](https://forums.unrealengine.com/t/open-level-node-stops-throbber-animation/326839)
**Author:** [@tongucci](https://forums.unrealengine.com/u/tongucci)\ **Replies:** 1\ **Last updated:** [December 2, 2022, 11:48am UTC](https://forums.unrealengine.com/t/open-level-node-stops-throbber-animation/326839 "2022-12-02T11:48:50Z")
In my Loading Screen, there is a Throbber animation loop. But as in the blueprint right after Loading Screen widget is added to viewport, there is an Open Level widget and as it starts loading the level, the animation of… --- ## [How to blend more than 2 material functions?](https://forums.unrealengine.com/t/how-to-blend-more-than-2-material-functions/430826)
**Author:** [@anonymous\_user\_c52978941](https://forums.unrealengine.com/u/anonymous_user_c52978941)\ **Replies:** 3\ **Last updated:** [November 17, 2022, 7:46pm UTC](https://forums.unrealengine.com/t/how-to-blend-more-than-2-material-functions/430826 "2022-11-17T19:46:55Z")
I am trying to blend 3 material functions together, to get a result like i had blended 3 materials together, but without having to break the material attributes first, or having to set the landscape output node to Blend … --- ## [How to apply velocity via Forward Vector in any direction](https://forums.unrealengine.com/t/how-to-apply-velocity-via-forward-vector-in-any-direction/314607)
**Author:** [@anonymous\_user\_2701b401](https://forums.unrealengine.com/u/anonymous_user_2701b401)\ **Replies:** 3\ **Last updated:** [September 5, 2022, 7:12am UTC](https://forums.unrealengine.com/t/how-to-apply-velocity-via-forward-vector-in-any-direction/314607 "2022-09-05T07:12:33Z")
When the BP applies velocity it only applies it in the X-axis. So if i’m facing the other way the velocity will push me backwards instead. How do I change this so it works regardless of rotation? I assumed velocity was h… --- ## [UE Marketplace Start | Architectural 3D CAD models? | HOW TO?](https://forums.unrealengine.com/t/ue-marketplace-start-architectural-3d-cad-models-how-to/578505)
**Author:** [@janledwon](https://forums.unrealengine.com/u/janledwon)\ **Replies:** 0\ **Last updated:** [June 10, 2022, 8:07am UTC](https://forums.unrealengine.com/t/ue-marketplace-start-architectural-3d-cad-models-how-to/578505 "2022-06-10T08:07:42Z")
Hello Marketplace Sellers and modellers. I would love to hear your path to becoming seller on UE Marketplace. I am an architect, I would love to share my 3D architectural models with UE Marketplace Community BUT … I … --- ## [How do I publish my game?](https://forums.unrealengine.com/t/how-do-i-publish-my-game/289633)
**Author:** [@TRE\_Games](https://forums.unrealengine.com/u/TRE_Games)\ **Replies:** 4\ **Last updated:** [March 3, 2022, 1:11am UTC](https://forums.unrealengine.com/t/how-do-i-publish-my-game/289633 "2022-03-03T01:11:25Z")
Hello everyone, I am begining to make some good looking games but do not yet know how to publish them onto a website, steam ect. How can I get my game online, if you could help it would be much appreciated. Many thanks … --- ## [How make a Headshot?](https://forums.unrealengine.com/t/how-make-a-headshot/305676)
**Author:** [@anonymous\_user\_0599cf61](https://forums.unrealengine.com/u/anonymous_user_0599cf61)\ **Replies:** 13\ **Last updated:** [October 10, 2021, 2:31pm UTC](https://forums.unrealengine.com/t/how-make-a-headshot/305676 "2021-10-10T14:31:09Z")
Can anyone explain in a screenshot how create a headshot? And if is possible…how can I cause less damage if I hit the body, arms or legs of my bot…? [Next page](https://forums.unrealengine.com/tag/how-to/553.md?match_all_tags=true&page=1&tags%5B%5D=how-to)