# \#collisions **URL:** https://forums.unrealengine.com/tag/collisions/4508.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Cannot turn collisions off of UEFN Epic made Fortnite props](https://forums.unrealengine.com/t/cannot-turn-collisions-off-of-uefn-epic-made-fortnite-props/2340984)
**Author:** [@hoskijdev](https://forums.unrealengine.com/u/hoskijdev)\ **Replies:** 11\ **Last updated:** [January 27, 2026, 8:00pm UTC](https://forums.unrealengine.com/t/cannot-turn-collisions-off-of-uefn-epic-made-fortnite-props/2340984 "2026-01-27T20:00:39Z")
Summary Any collision channel changes on the Static Mesh Component of an Epic Games made Fortnite prop do not work in game. Additionally, the stopgap “No Collision” option to turn off all collisions on an Epic made Fort… --- ## [No collission unless simulate physics is turned on](https://forums.unrealengine.com/t/no-collission-unless-simulate-physics-is-turned-on/356041)
**Author:** [@dkoding](https://forums.unrealengine.com/u/dkoding)\ **Replies:** 13\ **Last updated:** [November 15, 2025, 11:40pm UTC](https://forums.unrealengine.com/t/no-collission-unless-simulate-physics-is-turned-on/356041 "2025-11-15T23:40:24Z")
I have worked for days on this to get it to work. I have a Character with CapsuleComponent as root, and a MotionController with an attached BoxCollission. These are the BoxCollission (Player) presets: And these are… --- ## [Custom hit collision function](https://forums.unrealengine.com/t/custom-hit-collision-function/2662626)
**Author:** [@Supermatta321](https://forums.unrealengine.com/u/Supermatta321)\ **Replies:** 0\ **Last updated:** [October 6, 2025, 11:23am UTC](https://forums.unrealengine.com/t/custom-hit-collision-function/2662626 "2025-10-06T11:23:26Z")
Hi, im struggling with how to use queries and collision in my entirely custom physics system. Im moving actors by adding velocity to the world location/rotation on a fixed tick. However, getting correct collision is real… --- ## [Character collision capsule won't follow jump anim](https://forums.unrealengine.com/t/character-collision-capsule-wont-follow-jump-anim/433476)
**Author:** [@js100serch](https://forums.unrealengine.com/u/js100serch)\ **Replies:** 9\ **Last updated:** [September 30, 2025, 8:53pm UTC](https://forums.unrealengine.com/t/character-collision-capsule-wont-follow-jump-anim/433476 "2025-09-30T20:53:05Z")
Hi. I’m a noob, so I followed a few tutorials to set up a basic walk/run/jump animations that I downloaded from Mixamo. Now, the default UE4 jump physics are way too high and floaty so I reduced the default 600 jump z v… --- ## [PaperZD 2D / Top Down Game \> Attack Directionality Issue ](https://forums.unrealengine.com/t/paperzd-2d-top-down-game-attack-directionality-issue/2353287)
**Author:** [@BryStudys](https://forums.unrealengine.com/u/BryStudys)\ **Replies:** 0\ **Last updated:** [February 23, 2025, 9:28pm UTC](https://forums.unrealengine.com/t/paperzd-2d-top-down-game-attack-directionality-issue/2353287 "2025-02-23T21:28:08Z")
Directional movement works going up left right and down alongside animations setup with ABP/PaperZD Plugin. I’ve noticed the collision box only heads to the right which I’ve used an arrow to setup for. Open to anything t… --- ## [Can't get Event Hit to work](https://forums.unrealengine.com/t/cant-get-event-hit-to-work/436961)
**Author:** [@CookieFamous](https://forums.unrealengine.com/u/CookieFamous)\ **Replies:** 15\ **Last updated:** [May 1, 2024, 11:48am UTC](https://forums.unrealengine.com/t/cant-get-event-hit-to-work/436961 "2024-05-01T11:48:13Z")
For a while I’ve been trying to get Event Hit to work. I got Overlap to work perfectly but I need Hit instead of Overlap for some of the Event Hit functionality. I tried everything, found no fitting tutorial. It’s pret… --- ## [Viewing collisions inside of the editor](https://forums.unrealengine.com/t/viewing-collisions-inside-of-the-editor/345564)
**Author:** [@anonymous\_user\_70298a091](https://forums.unrealengine.com/u/anonymous_user_70298a091)\ **Replies:** 7\ **Last updated:** [April 22, 2024, 3:45pm UTC](https://forums.unrealengine.com/t/viewing-collisions-inside-of-the-editor/345564 "2024-04-22T15:45:24Z")
This sounds kinda silly to ask but is there a way to view all of the meshes collisions while flying around inside of the editor viewport?I know that you can look at each individuals mesh inside of the static mesh editor … --- ## [Why doesn't the root component ever get set up properly?](https://forums.unrealengine.com/t/why-doesnt-the-root-component-ever-get-set-up-properly/1727562)
**Author:** [@MikelKram](https://forums.unrealengine.com/u/MikelKram)\ **Replies:** 3\ **Last updated:** [March 3, 2024, 8:00pm UTC](https://forums.unrealengine.com/t/why-doesnt-the-root-component-ever-get-set-up-properly/1727562 "2024-03-03T20:00:34Z")
Why doesn’t the root component ever get set up properly? When setting it as the root component, it immediately shifts upwards. --- ## [UE5 Foliage aligning issues, Anyone Help?](https://forums.unrealengine.com/t/ue5-foliage-aligning-issues-anyone-help/1520063)
**Author:** [@Brad14123](https://forums.unrealengine.com/u/Brad14123)\ **Replies:** 1\ **Last updated:** [December 13, 2023, 8:19am UTC](https://forums.unrealengine.com/t/ue5-foliage-aligning-issues-anyone-help/1520063 "2023-12-13T08:19:07Z")
I have used the foliage tool to fill a separated section of this static mesh, I believe it is a collision issue however I have no idea how to solve it. I will pop below an image of the mesh hidden so you can see its a… --- ## [Particle Collisions with Ribbon Trails](https://forums.unrealengine.com/t/particle-collisions-with-ribbon-trails/1292362)
**Author:** [@ccreations](https://forums.unrealengine.com/u/ccreations)\ **Replies:** 0\ **Last updated:** [September 12, 2023, 2:27pm UTC](https://forums.unrealengine.com/t/particle-collisions-with-ribbon-trails/1292362 "2023-09-12T14:27:26Z")
I’m trying to create particles that collide with a surface while leaving ribbon trails behind them, exactly like the particles in the attached image: This VIDEO is one of the few that show the effect working the way i… --- ## [Animated Groom going haywire - please help](https://forums.unrealengine.com/t/animated-groom-going-haywire-please-help/484709)
**Author:** [@lmclaughhome](https://forums.unrealengine.com/u/lmclaughhome)\ **Replies:** 1\ **Last updated:** [September 3, 2023, 3:03pm UTC](https://forums.unrealengine.com/t/animated-groom-going-haywire-please-help/484709 "2023-09-03T15:03:41Z")
Hi everyone! I’ve been having some issues with simulating groom on animated rigs. Most of the hair strands seem fine but there are patches that seem to split off from the neutral pose as the character animates, sometime… --- ## [Rising Lava Floor Broken now, not working. Collision Presets and Collision Issue. Movie Sequence Device / Rising Floor / Floor Rises Through Player and leaves player underneath map.](https://forums.unrealengine.com/t/rising-lava-floor-broken-now-not-working-collision-presets-and-collision-issue-movie-sequence-device-rising-floor-floor-rises-through-player-and-leaves-player-underneath-map/1225654)
**Author:** [@PledgedRanger](https://forums.unrealengine.com/u/PledgedRanger)\ **Replies:** 1\ **Last updated:** [July 11, 2023, 1:09pm UTC](https://forums.unrealengine.com/t/rising-lava-floor-broken-now-not-working-collision-presets-and-collision-issue-movie-sequence-device-rising-floor-floor-rises-through-player-and-leaves-player-underneath-map/1225654 "2023-07-11T13:09:56Z")
This is for Rising lava floor coming out of the ground. Static Mesh Floor Sequence Animation I made makes Lava floor rise out of the ground Player must jump or be moving to land on the animated rising floor. If idle, p… --- ## [Does complex collision parameter affect on performance?](https://forums.unrealengine.com/t/does-complex-collision-parameter-affect-on-performance/1027411)
**Author:** [@Texn0krat](https://forums.unrealengine.com/u/Texn0krat)\ **Replies:** 3\ **Last updated:** [April 16, 2023, 10:05am UTC](https://forums.unrealengine.com/t/does-complex-collision-parameter-affect-on-performance/1027411 "2023-04-16T10:05:53Z")
Hello. I want to understand is it important to use simple collisions for static meshes? For example I have a hammer: Should I use simple collision as default or I can use complex collision and it doesn’t have great … --- ## [How To? Custom collision component within an actor bp](https://forums.unrealengine.com/t/how-to-custom-collision-component-within-an-actor-bp/872968)
**Author:** [@cnapsys](https://forums.unrealengine.com/u/cnapsys)\ **Replies:** 3\ **Last updated:** [April 9, 2023, 1:33pm UTC](https://forums.unrealengine.com/t/how-to-custom-collision-component-within-an-actor-bp/872968 "2023-04-09T13:33:22Z")
Hey all, just tweaking part of my game that I kind of neglected lately, I have this target, which is a barrel from the Industry Props Pack. I created a bp actor, added a collision box component, added the logic to it,… --- ## [How to set collision for insects to only be blocked by floors( or walls) and nothing else ?](https://forums.unrealengine.com/t/how-to-set-collision-for-insects-to-only-be-blocked-by-floors-or-walls-and-nothing-else/716624)
**Author:** [@razmaz51](https://forums.unrealengine.com/u/razmaz51)\ **Replies:** 1\ **Last updated:** [November 29, 2022, 1:10am UTC](https://forums.unrealengine.com/t/how-to-set-collision-for-insects-to-only-be-blocked-by-floors-or-walls-and-nothing-else/716624 "2022-11-29T01:10:22Z")
Hi , so i got some insects that are just like for asthestics ( atmosphere) , so i only want them to walk around and wander , but they are blocking my AI as well. A row of insects on the ground is like a wall for the AI ,… --- ## [Почему проваливаются объекты?](https://forums.unrealengine.com/t/topic/650133)
**Author:** [@Wintreist](https://forums.unrealengine.com/u/Wintreist)\ **Replies:** 32\ **Last updated:** [September 16, 2022, 7:13pm UTC](https://forums.unrealengine.com/t/topic/650133 "2022-09-16T19:13:07Z")
Если что-то ещё показать надо, сообщите пожалуйста. Ничего не понимаю, почему так --- ## [Capsulecomonent changes when the character turn?](https://forums.unrealengine.com/t/capsulecomonent-changes-when-the-character-turn/619326)
**Author:** [@Thekfps](https://forums.unrealengine.com/u/Thekfps)\ **Replies:** 0\ **Last updated:** [August 1, 2022, 10:12pm UTC](https://forums.unrealengine.com/t/capsulecomonent-changes-when-the-character-turn/619326 "2022-08-01T22:12:49Z")
I’ve been testing some things, a collision trigger that desable the character moviment when he step in and press some key , flip flop to return the moviment… but if i step in, desable moviment and turn the character (mou… --- ## [What should I do if I can't change collision presets?](https://forums.unrealengine.com/t/what-should-i-do-if-i-cant-change-collision-presets/554567)
**Author:** [@TinyPizza128](https://forums.unrealengine.com/u/TinyPizza128)\ **Replies:** 1\ **Last updated:** [May 11, 2022, 9:36pm UTC](https://forums.unrealengine.com/t/what-should-i-do-if-i-cant-change-collision-presets/554567 "2022-05-11T21:36:31Z")
I’m working on a game for a uni project that is due in a couple of hours and I can’t change the collision preset on a couple of assets from Custom to OverlapDynamicObjects and now when ever I replay the level they don’t … --- ## [My first person character floats mid air.](https://forums.unrealengine.com/t/my-first-person-character-floats-mid-air/538421)
**Author:** [@Zied\_Lazrak](https://forums.unrealengine.com/u/Zied_Lazrak)\ **Replies:** 7\ **Last updated:** [April 24, 2022, 4:33pm UTC](https://forums.unrealengine.com/t/my-first-person-character-floats-mid-air/538421 "2022-04-24T16:33:21Z")
Hi, I’m very new to Unreal & I’m trying to do a simple FPS prototype. I created a blank project at first, and then I imported all the assets I need. And then I created a first person game mode with simple controls. But … --- ## ["On component hit" in VR not working](https://forums.unrealengine.com/t/on-component-hit-in-vr-not-working/491502)
**Author:** [@Asfan3D](https://forums.unrealengine.com/u/Asfan3D)\ **Replies:** 0\ **Last updated:** [December 1, 2021, 2:55pm UTC](https://forums.unrealengine.com/t/on-component-hit-in-vr-not-working/491502 "2021-12-01T14:55:35Z")
I’m working in VR, I have a simple mesh with two children, 1) GrabComonent 2) and a sphere collision I’m trying to simply pick the object and register hit with the sphere. For now I have this simple print function … --- ## [How can I make a mesh with smooth collisions in 3D?](https://forums.unrealengine.com/t/how-can-i-make-a-mesh-with-smooth-collisions-in-3d/491386)
**Author:** [@Your\_mom1324](https://forums.unrealengine.com/u/Your_mom1324)\ **Replies:** 2\ **Last updated:** [November 28, 2021, 1:26am UTC](https://forums.unrealengine.com/t/how-can-i-make-a-mesh-with-smooth-collisions-in-3d/491386 "2021-11-28T01:26:49Z")
I am making a mobile game and I currently have an infinitely generated straight slope. I want to add turns to the level but when I import the mesh and try “sledding” down it my character bounces up and down. The collisio… --- ## [Clipping into objects at LOW speeds? (Unreal Engine 4.26)](https://forums.unrealengine.com/t/clipping-into-objects-at-low-speeds-unreal-engine-4-26/483899)
**Author:** [@KlingonClown](https://forums.unrealengine.com/u/KlingonClown)\ **Replies:** 0\ **Last updated:** [May 25, 2021, 9:23pm UTC](https://forums.unrealengine.com/t/clipping-into-objects-at-low-speeds-unreal-engine-4-26/483899 "2021-05-25T21:23:58Z")
I seem to be having some issues with my ship clipping through objects (not all the way) - even at low speeds. I’ve made sure ‘sweep’ was checked when setting values for ‘AddActorLocalOffset’, and that collisions for the … --- ## [Sphere collision on a mesh](https://forums.unrealengine.com/t/sphere-collision-on-a-mesh/481408)
**Author:** [@Marc\_One](https://forums.unrealengine.com/u/Marc_One)\ **Replies:** 2\ **Last updated:** [April 5, 2021, 11:25am UTC](https://forums.unrealengine.com/t/sphere-collision-on-a-mesh/481408 "2021-04-05T11:25:36Z")
as far as i know a mesh has a collision based on the shape of the mesh but i would like to have a sphere collision for saving performance. when i add a sphere collision to the mesh does it replace the collision? or must … --- ## [Invisible collisions on the edges of modular pieces](https://forums.unrealengine.com/t/invisible-collisions-on-the-edges-of-modular-pieces/477522)
**Author:** [@Conal\_wright](https://forums.unrealengine.com/u/Conal_wright)\ **Replies:** 3\ **Last updated:** [January 27, 2021, 7:16pm UTC](https://forums.unrealengine.com/t/invisible-collisions-on-the-edges-of-modular-pieces/477522 "2021-01-27T19:16:34Z")
I seem to have a weird collision issue within Ue4 that is similiar to this video: http://www.youtube.com/watch?v=n5jaS1e2IcQ I made a modular set in Blender for a game I am working on and the ball (player) keeps hittin… --- ## [Can Custom Collisions Simulate Physics?](https://forums.unrealengine.com/t/can-custom-collisions-simulate-physics/474898)
**Author:** [@TheMagmar43](https://forums.unrealengine.com/u/TheMagmar43)\ **Replies:** 2\ **Last updated:** [November 23, 2020, 4:50pm UTC](https://forums.unrealengine.com/t/can-custom-collisions-simulate-physics/474898 "2020-11-23T16:50:27Z")
Hi, I just made a Pirate Ship and I ran into the problem that UE4 creates autimatically only CONVEX collisions but no Concave, and “Use Complex Collision As Simple” doesn’t work with physics… So I did my research and fig… --- ## [Some of my physics objects fall through my landscape actors](https://forums.unrealengine.com/t/some-of-my-physics-objects-fall-through-my-landscape-actors/471811)
**Author:** [@Unisink2020](https://forums.unrealengine.com/u/Unisink2020)\ **Replies:** 0\ **Last updated:** [September 23, 2020, 3:20pm UTC](https://forums.unrealengine.com/t/some-of-my-physics-objects-fall-through-my-landscape-actors/471811 "2020-09-23T15:20:32Z")
Changing mip and thickness haven’t fixed this. Anyone know the real solution? \[Version 4.25.3\] --- ## [Physics versus collisions - which is the proper way](https://forums.unrealengine.com/t/physics-versus-collisions-which-is-the-proper-way/467520)
**Author:** [@plasticMAYHEM](https://forums.unrealengine.com/u/plasticMAYHEM)\ **Replies:** 4\ **Last updated:** [August 24, 2020, 4:01am UTC](https://forums.unrealengine.com/t/physics-versus-collisions-which-is-the-proper-way/467520 "2020-08-24T04:01:43Z")
ok so its the age old question - that has not been answered yet. no documentation on it and i’ve been searching all day, trying to use any keywords i can think of. OK so i checked the “use physics” box, its on a mesh s… --- ## [Niagara sprite particle effect and collision with vehicle](https://forums.unrealengine.com/t/niagara-sprite-particle-effect-and-collision-with-vehicle/469606)
**Author:** [@Nino\_Mancuso](https://forums.unrealengine.com/u/Nino_Mancuso)\ **Replies:** 2\ **Last updated:** [August 15, 2020, 5:31am UTC](https://forums.unrealengine.com/t/niagara-sprite-particle-effect-and-collision-with-vehicle/469606 "2020-08-15T05:31:12Z")
Hello, I have a vehicle that is chasing a Niagara sprite particle effect (dust from another vehicle). I’m trying to keep the dust out of the inside of the vehicle, but my collision is failing somewhere: The dust i… --- ## [UE 4.15.1 - Nativize blueprint collision bug - Spawning child of a blueprint loses collision settings](https://forums.unrealengine.com/t/ue-4-15-1-nativize-blueprint-collision-bug-spawning-child-of-a-blueprint-loses-collision-settings/391850)
**Author:** [@Obihb](https://forums.unrealengine.com/u/Obihb)\ **Replies:** 17\ **Last updated:** [July 5, 2020, 11:19pm UTC](https://forums.unrealengine.com/t/ue-4-15-1-nativize-blueprint-collision-bug-spawning-child-of-a-blueprint-loses-collision-settings/391850 "2020-07-05T23:19:42Z")
I have a setup where I spawn in actors as pickups for the player, they use collision sphere with physics to drop into the world and collide with the world. When I do a build using Nativization, this physics sphere seems … --- ## [DungeonArchitect: After Teleport Enemies can't 'Hit' Player](https://forums.unrealengine.com/t/dungeonarchitect-after-teleport-enemies-cant-hit-player/464463)
**Author:** [@unit23](https://forums.unrealengine.com/u/unit23)\ **Replies:** 4\ **Last updated:** [April 30, 2020, 7:54pm UTC](https://forums.unrealengine.com/t/dungeonarchitect-after-teleport-enemies-cant-hit-player/464463 "2020-04-30T19:54:18Z")
PIE/Level streaming/Runtime created DungeonArchitect which spawns the AI: After teleporting the player, runtime spawned AI is not hitting the player. Collisions work when the player spawns at the location, rather than … [Next page](https://forums.unrealengine.com/tag/collisions/4508.md?match_all_tags=true&page=1&tags%5B%5D=collisions)