# \#oncomponentbeginover **URL:** https://forums.unrealengine.com/tag/oncomponentbeginover/1586.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [OnComponentBeginOverlap for Child Components](https://forums.unrealengine.com/t/oncomponentbeginoverlap-for-child-components/466066)
**Author:** [@ChrisSpencer87](https://forums.unrealengine.com/u/ChrisSpencer87)\ **Replies:** 1\ **Last updated:** [June 1, 2020, 11:24am UTC](https://forums.unrealengine.com/t/oncomponentbeginoverlap-for-child-components/466066 "2020-06-01T11:24:57Z")
Hello, I have a massive set of coding that was built around what I have now seen is being treated as a “bug” and was ixed in version 4.24. I created a Blueprint with Sphere Collision and Spheres. When a sphere overlaps… --- ## [How to cast in cpp](https://forums.unrealengine.com/t/how-to-cast-in-cpp/442247)
**Author:** [@anonymous\_user\_7e1085d1](https://forums.unrealengine.com/u/anonymous_user_7e1085d1)\ **Replies:** 5\ **Last updated:** [January 30, 2019, 12:44am UTC](https://forums.unrealengine.com/t/how-to-cast-in-cpp/442247 "2019-01-30T00:44:33Z")
Ok so i want to create a moving platform that when the player gets on top of it it starts moving up and when the player leaves the platform is stops moving! ! This is the blueprint that i made and i want to make the sa… --- ## [On component begin overlap vs On actor begin overlap](https://forums.unrealengine.com/t/on-component-begin-overlap-vs-on-actor-begin-overlap/442186)
**Author:** [@anonymous\_user\_7e1085d1](https://forums.unrealengine.com/u/anonymous_user_7e1085d1)\ **Replies:** 0\ **Last updated:** [January 27, 2019, 10:29pm UTC](https://forums.unrealengine.com/t/on-component-begin-overlap-vs-on-actor-begin-overlap/442186 "2019-01-27T22:29:19Z")
When should i use OnComponentBeginOverlap and when should i use OnActorBeginOverlap and why the OnComponentBeginOverlap return more things than the OnActorBeginOverlap? --- ## [オーバーラップイベントを繰り返し行いたい](https://forums.unrealengine.com/t/topic/435676)
**Author:** [@Suzusiro-haruka](https://forums.unrealengine.com/u/Suzusiro-haruka)\ **Replies:** 3\ **Last updated:** [October 24, 2018, 1:40pm UTC](https://forums.unrealengine.com/t/topic/435676 "2018-10-24T13:40:04Z")
床を踏んだときに槍が飛び出る仕掛けを作成中です。 一度踏んだ際に槍が飛び出すようには出来たのですが、一回きりになってしまいます。 対象の床を踏むたびに槍を飛び出すように処理をしたいのですが、ご教授頂けると幸いです。 --- ## [BeginOverlap function does not get called for the character C++ CapsuleComponent](https://forums.unrealengine.com/t/beginoverlap-function-does-not-get-called-for-the-character-c-capsulecomponent/434063)
**Author:** [@Mohit\_Agrawal](https://forums.unrealengine.com/u/Mohit_Agrawal)\ **Replies:** 4\ **Last updated:** [September 21, 2018, 3:17pm UTC](https://forums.unrealengine.com/t/beginoverlap-function-does-not-get-called-for-the-character-c-capsulecomponent/434063 "2018-09-21T15:17:38Z")
Hi I am trying to achieve when a simple character who when presses a button within a trigger opens a door. I am trying to use the character capsule component which for the collision with trigger. But i cannot seem to fi… --- ## [Getting OnComponentBeginOverlap of collision box created on event graph/const graph](https://forums.unrealengine.com/t/getting-oncomponentbeginoverlap-of-collision-box-created-on-event-graph-const-graph/430051)
**Author:** [@yeshjho](https://forums.unrealengine.com/u/yeshjho)\ **Replies:** 1\ **Last updated:** [July 24, 2018, 7:42am UTC](https://forums.unrealengine.com/t/getting-oncomponentbeginoverlap-of-collision-box-created-on-event-graph-const-graph/430051 "2018-07-24T07:42:27Z")
How can I use OnComponentBeginOverlap event of “newly created” collision box? I mean the collision box that is created on run time(event graph) or construction time(construction graph), not that I added manually on View… --- ## [OnComponentBeginOverlap work for one character but fires multiple time for other](https://forums.unrealengine.com/t/oncomponentbeginoverlap-work-for-one-character-but-fires-multiple-time-for-other/428863)
**Author:** [@Gameatro](https://forums.unrealengine.com/u/Gameatro)\ **Replies:** 0\ **Last updated:** [July 7, 2018, 4:56am UTC](https://forums.unrealengine.com/t/oncomponentbeginoverlap-work-for-one-character-but-fires-multiple-time-for-other/428863 "2018-07-07T04:56:31Z")
I am using the OnComponentBeginOverlap to detect if the punches of my character are hitting other. I used this code for the player character for the function called by OnComponentBeginOverlap: void AMyProjectCharacter::… --- ## [Error OnComponentBeginOverlap](https://forums.unrealengine.com/t/error-oncomponentbeginoverlap/423833)
**Author:** [@ProgGog](https://forums.unrealengine.com/u/ProgGog)\ **Replies:** 0\ **Last updated:** [April 28, 2018, 10:43pm UTC](https://forums.unrealengine.com/t/error-oncomponentbeginoverlap/423833 "2018-04-28T22:43:38Z")
Some problem occured when i tried to implement OnComponentBeginOverlap event. I did same thing as in tutorials but compilation error hasn’t gone. Heres my code: And here’s compilation error: I don’t know wh… --- ## [Why OnComponentBeginOverlap don't work with character's root capsule component?](https://forums.unrealengine.com/t/why-oncomponentbeginoverlap-dont-work-with-characters-root-capsule-component/420059)
**Author:** [@Co\_Ops\_KOR](https://forums.unrealengine.com/u/Co_Ops_KOR)\ **Replies:** 0\ **Last updated:** [March 17, 2018, 1:56am UTC](https://forums.unrealengine.com/t/why-oncomponentbeginoverlap-dont-work-with-characters-root-capsule-component/420059 "2018-03-17T01:56:16Z")
simply I just started learning UE4 and C++ and I need to using Overlap function so watching this tutorial https://unrealcpp.com/on-overlap-begin/ at there he makes a new Capsule Component but I want to use character’… --- ## [Component Overlap Event not firing](https://forums.unrealengine.com/t/component-overlap-event-not-firing/304320)
**Author:** [@anonymous\_user\_a51c656a](https://forums.unrealengine.com/u/anonymous_user_a51c656a)\ **Replies:** 5\ **Last updated:** [March 4, 2018, 2:54am UTC](https://forums.unrealengine.com/t/component-overlap-event-not-firing/304320 "2018-03-04T02:54:33Z")
I’m working with the first person shooter template program, and trying to modify the projectiles to pass through each other. I don’t want them to be immune to colliding with projectiles in general, but to never interact … --- ## [Beginoverlap and morphtarget for vehicle](https://forums.unrealengine.com/t/beginoverlap-and-morphtarget-for-vehicle/337076)
**Author:** [@anonymous\_user\_6a966be1](https://forums.unrealengine.com/u/anonymous_user_6a966be1)\ **Replies:** 4\ **Last updated:** [January 5, 2018, 11:51am UTC](https://forums.unrealengine.com/t/beginoverlap-and-morphtarget-for-vehicle/337076 "2018-01-05T11:51:55Z")
hi. I want to set morph targets for my vehicle visual damege i added 4 box collision to my vehicle( for front left, front right, rear left and rear right of the vehicle) and for each box added : an oncomponentbeginove… --- ## [Creating a tag game](https://forums.unrealengine.com/t/creating-a-tag-game/413413)
**Author:** [@RpgSlayer707](https://forums.unrealengine.com/u/RpgSlayer707)\ **Replies:** 3\ **Last updated:** [December 30, 2017, 9:16pm UTC](https://forums.unrealengine.com/t/creating-a-tag-game/413413 "2017-12-30T21:16:58Z")
Hi so I am creating a 3 player tag game. So far I have it so it randomly chooses who is it. I also have it so it knows who is it. That is all in the level blueprint. I cannot however figure out how to tag someone. I want… --- ## [CPP VIVE Controller OnComponentHit doesn't fire](https://forums.unrealengine.com/t/cpp-vive-controller-oncomponenthit-doesnt-fire/362146)
**Author:** [@anonymous\_user\_1aa4840c](https://forums.unrealengine.com/u/anonymous_user_1aa4840c)\ **Replies:** 1\ **Last updated:** [November 9, 2017, 7:11pm UTC](https://forums.unrealengine.com/t/cpp-vive-controller-oncomponenthit-doesnt-fire/362146 "2017-11-09T19:11:51Z")
I followed this tutorial:UE4 c++ OnComponentOverlap and OnComponentHit syntax - YouTube And used this to create a sphere that triggers hits and overlap events in my scene, this works perfectly. I then tried to apply the… --- ## [Ladder problems](https://forums.unrealengine.com/t/ladder-problems/403609)
**Author:** [@MisterPirate](https://forums.unrealengine.com/u/MisterPirate)\ **Replies:** 2\ **Last updated:** [September 3, 2017, 10:33am UTC](https://forums.unrealengine.com/t/ladder-problems/403609 "2017-09-03T10:33:13Z")
Hi, I am making a 2d game where the player can place each ladderblock individually. I am using the OnComponentBeginOverlap and the OnComponentEndOverlap to figure out if the ladder is in the player’s range, so the player… --- ## [How to combine Line Trace and Box Collision Overlap](https://forums.unrealengine.com/t/how-to-combine-line-trace-and-box-collision-overlap/402825)
**Author:** [@kirompower](https://forums.unrealengine.com/u/kirompower)\ **Replies:** 3\ **Last updated:** [August 29, 2017, 12:59am UTC](https://forums.unrealengine.com/t/how-to-combine-line-trace-and-box-collision-overlap/402825 "2017-08-29T00:59:06Z")
Hi Guys ! This is my first project with Unreal and all goes more than well, but I’ve come to a point where I can’t find any resources or information to continue. The situation is as it goes: I have a set of lamps in a… --- ## [OnComponentBeginOverlap doesnt work](https://forums.unrealengine.com/t/oncomponentbeginoverlap-doesnt-work/400814)
**Author:** [@anonymous\_user\_f0965973](https://forums.unrealengine.com/u/anonymous_user_f0965973)\ **Replies:** 0\ **Last updated:** [July 28, 2017, 6:29pm UTC](https://forums.unrealengine.com/t/oncomponentbeginoverlap-doesnt-work/400814 "2017-07-28T18:29:29Z")
When I play the setup, PickupBox doesn’t destroy. My character bumps into him and can not destroy the PickupBox as expected form the code. I enabled/checked all Genrate Overlap Events’ checkboxes for the pickupbox and my… --- ## [On Component Begin overlap (Pickup) Casting](https://forums.unrealengine.com/t/on-component-begin-overlap-pickup-casting/397919)
**Author:** [@DeOceanPirate](https://forums.unrealengine.com/u/DeOceanPirate)\ **Replies:** 1\ **Last updated:** [July 26, 2017, 5:35pm UTC](https://forums.unrealengine.com/t/on-component-begin-overlap-pickup-casting/397919 "2017-07-26T17:35:53Z")
I am trying to set up an “On Component Begin overlap (Pickup)” event I am able to directly cast this to my character and execute a function, however I wish to cast to a “Game Instance” instead however I am having issues … --- ## [Overlap not working as expected](https://forums.unrealengine.com/t/overlap-not-working-as-expected/279097)
**Author:** [@camoogoo](https://forums.unrealengine.com/u/camoogoo)\ **Replies:** 6\ **Last updated:** [July 14, 2017, 9:05am UTC](https://forums.unrealengine.com/t/overlap-not-working-as-expected/279097 "2017-07-14T09:05:51Z")
Having trouble with overlap events. End overlap event sometimes fires every tick. Jumping can stop / start this behaviour. With this example blueprint the print string functions fire continuously. Not sure what I am mis… --- ## [How do I trigger onComponentBeginOverlap events with a First Person Character and also if a HMD Locomotion Pawn is possessing Player Controller? (Please Help!)](https://forums.unrealengine.com/t/how-do-i-trigger-oncomponentbeginoverlap-events-with-a-first-person-character-and-also-if-a-hmd-locomotion-pawn-is-possessing-player-controller-please-help/387657)
**Author:** [@mercuriusfm](https://forums.unrealengine.com/u/mercuriusfm)\ **Replies:** 4\ **Last updated:** [March 17, 2017, 11:24pm UTC](https://forums.unrealengine.com/t/how-do-i-trigger-oncomponentbeginoverlap-events-with-a-first-person-character-and-also-if-a-hmd-locomotion-pawn-is-possessing-player-controller-please-help/387657 "2017-03-17T23:24:53Z")
The blueprint scripting in my Pickup Blueprint above works with the First person character overlapping the pickup, but when I possess the character with a HMD locomotion Pawn and overlap the pickup nothing happens. I … --- ## [Child BPs of same Parent BP cannot detect overlap of each other](https://forums.unrealengine.com/t/child-bps-of-same-parent-bp-cannot-detect-overlap-of-each-other/385228)
**Author:** [@anonymous\_user\_ae5a437e](https://forums.unrealengine.com/u/anonymous_user_ae5a437e)\ **Replies:** 4\ **Last updated:** [March 7, 2017, 8:47am UTC](https://forums.unrealengine.com/t/child-bps-of-same-parent-bp-cannot-detect-overlap-of-each-other/385228 "2017-03-07T08:47:31Z")
I’m an amateur at UE4 and am pretty sure I’m just going about this all wrong, so bear with me, Ill explain the best I can. So I’m working on a candle and torch lighting system for VR. Currently I can take an unlit torch… --- ## [OnComponentBeginOverlap Function Not Firing](https://forums.unrealengine.com/t/oncomponentbeginoverlap-function-not-firing/385688)
**Author:** [@anonymous\_user\_9f353473](https://forums.unrealengine.com/u/anonymous_user_9f353473)\ **Replies:** 2\ **Last updated:** [February 21, 2017, 9:03pm UTC](https://forums.unrealengine.com/t/oncomponentbeginoverlap-function-not-firing/385688 "2017-02-21T21:03:17Z")
I have an OnComponentBeginOverlap Function that is attached to my main player actor in my game. It is supposed to fire when a certain characteristic of my player overlaps a trigger object. The function will fire in the e… --- ## [OnComponentBeginOverlap inconsistent HitResult data](https://forums.unrealengine.com/t/oncomponentbeginoverlap-inconsistent-hitresult-data/377623)
**Author:** [@GrimlessBBS](https://forums.unrealengine.com/u/GrimlessBBS)\ **Replies:** 5\ **Last updated:** [December 21, 2016, 9:20pm UTC](https://forums.unrealengine.com/t/oncomponentbeginoverlap-inconsistent-hitresult-data/377623 "2016-12-21T21:20:25Z")
While using OnComponentBeginOverlap (CollisionVolume) in Blueprint, the HitResult output pin occasionally has correct information but occasionally does not. For my RailgunProjectile, the Hit Location reports correctly. F… --- ## [Apply damage on capsule overlap being done multiple times](https://forums.unrealengine.com/t/apply-damage-on-capsule-overlap-being-done-multiple-times/332444)
**Author:** [@anonymous\_user\_2ca937ac1](https://forums.unrealengine.com/u/anonymous_user_2ca937ac1)\ **Replies:** 3\ **Last updated:** [December 18, 2016, 9:10am UTC](https://forums.unrealengine.com/t/apply-damage-on-capsule-overlap-being-done-multiple-times/332444 "2016-12-18T09:10:09Z")
I’m trying to get melee attacks to work properly. It’s doing damage but rather than applying it once per hit it’s doing so anywhere between 2 and several times each swing. If I’m moving foward as it happens it seems to… --- ## [OnComponentBeginOverlap doesnt pick actors that are inside of it when it spawns](https://forums.unrealengine.com/t/oncomponentbeginoverlap-doesnt-pick-actors-that-are-inside-of-it-when-it-spawns/308735)
**Author:** [@Motanum](https://forums.unrealengine.com/u/Motanum)\ **Replies:** 3\ **Last updated:** [November 9, 2016, 12:04am UTC](https://forums.unrealengine.com/t/oncomponentbeginoverlap-doesnt-pick-actors-that-are-inside-of-it-when-it-spawns/308735 "2016-11-09T00:04:47Z")
Hello! I am spawning a blueprint, which has a box volume. Which when players walk into it, they get ignited. The problem lies that if the players are inside the box when the blueprint is spawned, then the players don’t … --- ## [OnComponentBeginOverlap is constantly firing while not overlapping](https://forums.unrealengine.com/t/oncomponentbeginoverlap-is-constantly-firing-while-not-overlapping/374165)
**Author:** [@Sephern](https://forums.unrealengine.com/u/Sephern)\ **Replies:** 4\ **Last updated:** [October 23, 2016, 6:53pm UTC](https://forums.unrealengine.com/t/oncomponentbeginoverlap-is-constantly-firing-while-not-overlapping/374165 "2016-10-23T18:53:14Z")
Hey guys, I have no idea what’s going on, but I have set up the same basic setup that was in the Blueprints project under the Learning tab so that I can run events when overlapping component overlaps with another pawn, b… --- ## [Determine the position of collision with OnComponentBeginOverlap](https://forums.unrealengine.com/t/determine-the-position-of-collision-with-oncomponentbeginoverlap/289793)
**Author:** [@Banck\_1](https://forums.unrealengine.com/u/Banck_1)\ **Replies:** 5\ **Last updated:** [August 6, 2016, 2:53pm UTC](https://forums.unrealengine.com/t/determine-the-position-of-collision-with-oncomponentbeginoverlap/289793 "2016-08-06T14:53:28Z")
Hello. The first character has a sword (StaticMesh component), and the second character - a shield (also StaticMesh component). And we need to know the position of impact of a sword - shield. Now works OnComponentBegin… --- ## [OnHitEvent of BP not fired (when hit BP InstanceStaticMesh, only fires OnComponentBeginOverlap)](https://forums.unrealengine.com/t/onhitevent-of-bp-not-fired-when-hit-bp-instancestaticmesh-only-fires-oncomponentbeginoverlap/364379)
**Author:** [@anonymous\_user\_3149ac211](https://forums.unrealengine.com/u/anonymous_user_3149ac211)\ **Replies:** 11\ **Last updated:** [July 26, 2016, 1:46pm UTC](https://forums.unrealengine.com/t/onhitevent-of-bp-not-fired-when-hit-bp-instancestaticmesh-only-fires-oncomponentbeginoverlap/364379 "2016-07-26T13:46:36Z")
I have one BP, one static mesh component in it with its own collision. When this BP hit in game BP actor with many instances of ISMC, onhit event is not fire, only OnComponentBeginOverlap. This is problem because I can’t… --- ## [OnComponentEndOverlap() does not provide the same information as OnComponentBeginOverlap()](https://forums.unrealengine.com/t/oncomponentendoverlap-does-not-provide-the-same-information-as-oncomponentbeginoverlap/342515)
**Author:** [@anonymous\_user\_44ea4ec1](https://forums.unrealengine.com/u/anonymous_user_44ea4ec1)\ **Replies:** 7\ **Last updated:** [December 31, 2015, 1:56pm UTC](https://forums.unrealengine.com/t/oncomponentendoverlap-does-not-provide-the-same-information-as-oncomponentbeginoverlap/342515 "2015-12-31T13:56:38Z")
Hi, I have a level defined by square cells. Each cell type is represented using UHierarchicalInstancedStaticMeshComponent. Player character can destroy cells. It is possible to determine particular cell in OnComponentB… --- ## [OnComponentBeginOverlap fires only once](https://forums.unrealengine.com/t/oncomponentbeginoverlap-fires-only-once/332547)
**Author:** [@anonymous\_user\_88b39926](https://forums.unrealengine.com/u/anonymous_user_88b39926)\ **Replies:** 11\ **Last updated:** [October 31, 2015, 12:18pm UTC](https://forums.unrealengine.com/t/oncomponentbeginoverlap-fires-only-once/332547 "2015-10-31T12:18:41Z")
hello, i’m working on Flying template, UE 4.8.3, and i’m having kinda weird issue with “OnComponentBeginOverlap” the “OnComponentBeginOverlap” fires only once (just one time) when the player controlled flyingPawn (the j… --- ## [Particles OnComponent Begin Overlap not working](https://forums.unrealengine.com/t/particles-oncomponent-begin-overlap-not-working/335573)
**Author:** [@Omar\_Vector](https://forums.unrealengine.com/u/Omar_Vector)\ **Replies:** 2\ **Last updated:** [October 16, 2015, 10:44pm UTC](https://forums.unrealengine.com/t/particles-oncomponent-begin-overlap-not-working/335573 "2015-10-16T22:44:04Z")
Do you have collision enabled on the object? and a Collision box/sphere/cylinder for it to interact with? if not, it won’t fire. [Next page](https://forums.unrealengine.com/tag/oncomponentbeginover/1586.md?match_all_tags=true&page=1&tags%5B%5D=oncomponentbeginover)