# \#vector-fields **URL:** https://forums.unrealengine.com/tag/vector-fields/157.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Use Vector Field Actor as UVectorFieldStatic](https://forums.unrealengine.com/t/use-vector-field-actor-as-uvectorfieldstatic/1222438)
**Author:** [@MRGwcrosby](https://forums.unrealengine.com/u/MRGwcrosby)\ **Replies:** 1\ **Last updated:** [July 7, 2023, 7:43pm UTC](https://forums.unrealengine.com/t/use-vector-field-actor-as-uvectorfieldstatic/1222438 "2023-07-07T19:43:29Z")
Hi, I am trying to access the vector field actor I have placed into my world. I want to run the FilteredSample function on it. The code below causes a crash with error message “Unhandled Exception: EXCEPTION\_ACCESS\_VIOLA… --- ## [Global Vector Field with niagara？](https://forums.unrealengine.com/t/global-vector-field-with-niagara/458739)
**Author:** [@purestofpain](https://forums.unrealengine.com/u/purestofpain)\ **Replies:** 4\ **Last updated:** [May 10, 2021, 9:01pm UTC](https://forums.unrealengine.com/t/global-vector-field-with-niagara/458739 "2021-05-10T21:01:45Z")
hey，i am doing something with niagara but it seems that niagara does not has a Global Vector Field like what cascade do，i just do not know how to activate it. --- ## [How to replace vector fields every X seconds by another vector field?](https://forums.unrealengine.com/t/how-to-replace-vector-fields-every-x-seconds-by-another-vector-field/473210)
**Author:** [@anonymous\_user\_fdcd8dee](https://forums.unrealengine.com/u/anonymous_user_fdcd8dee)\ **Replies:** 0\ **Last updated:** [October 20, 2020, 11:11pm UTC](https://forums.unrealengine.com/t/how-to-replace-vector-fields-every-x-seconds-by-another-vector-field/473210 "2020-10-20T23:11:15Z")
Hello everyone, i’m trying to display a particle system, with an local vector field. But i like to replace the local vector field by another local vector field every X seconds. Thank you very much for your time! --- ## [GPU particles or Vector fields limitations?](https://forums.unrealengine.com/t/gpu-particles-or-vector-fields-limitations/399964)
**Author:** [@slonorib](https://forums.unrealengine.com/u/slonorib)\ **Replies:** 3\ **Last updated:** [July 23, 2020, 3:59am UTC](https://forums.unrealengine.com/t/gpu-particles-or-vector-fields-limitations/399964 "2020-07-23T03:59:35Z")
I put 12 vector fields and 1 gpu particle emitter on my level. It was assumed that all vector fields will effect on particles flow, but only 4 of 12 fields work. I googled a lot, but couldn’t find any useful information.… --- ## [How do I create a VectorFieldAnimated class? Can I create an animated vector field from a sequence of fga files?](https://forums.unrealengine.com/t/how-do-i-create-a-vectorfieldanimated-class-can-i-create-an-animated-vector-field-from-a-sequence-of-fga-files/287655)
**Author:** [@dokipen](https://forums.unrealengine.com/u/dokipen)\ **Replies:** 5\ **Last updated:** [May 27, 2020, 2:47pm UTC](https://forums.unrealengine.com/t/how-do-i-create-a-vectorfieldanimated-class-can-i-create-an-animated-vector-field-from-a-sequence-of-fga-files/287655 "2020-05-27T14:47:12Z")
I’ve tried creating an animated vector field as it’s in the filter list in the content browser. Also can see it in the source files. Just wondering if its possible to do this? Would like to import maya fluid caches for w… --- ## [Number of global vector fields per scene](https://forums.unrealengine.com/t/number-of-global-vector-fields-per-scene/463839)
**Author:** [@anonymous\_user\_75cbfabf1](https://forums.unrealengine.com/u/anonymous_user_75cbfabf1)\ **Replies:** 0\ **Last updated:** [April 16, 2020, 2:47pm UTC](https://forums.unrealengine.com/t/number-of-global-vector-fields-per-scene/463839 "2020-04-16T14:47:35Z")
Hi, i have 6 global vector fields in the scene and only 4 work. Can i change the number of global vector fields per scene? --- ## [How to control sample vector Field in Niagara](https://forums.unrealengine.com/t/how-to-control-sample-vector-field-in-niagara/460265)
**Author:** [@anonymous\_user\_a0b63bb9](https://forums.unrealengine.com/u/anonymous_user_a0b63bb9)\ **Replies:** 0\ **Last updated:** [January 7, 2020, 3:09am UTC](https://forums.unrealengine.com/t/how-to-control-sample-vector-field-in-niagara/460265 "2020-01-07T03:09:24Z")
I need a case using vector fields in Niagara. I used the sample vector Field and the vortex force field generated by MAYA. I don’t know how to control the rotation direction of the position in Niagara\> sample vector Fiel… --- ## [Tightness setting has no effect on global vector fields](https://forums.unrealengine.com/t/tightness-setting-has-no-effect-on-global-vector-fields/322936)
**Author:** [@jfesenko](https://forums.unrealengine.com/u/jfesenko)\ **Replies:** 1\ **Last updated:** [September 23, 2019, 1:46pm UTC](https://forums.unrealengine.com/t/tightness-setting-has-no-effect-on-global-vector-fields/322936 "2019-09-23T13:46:32Z")
I’m able to set the tightness value of a local vector field within Cascade to affect particle movement, but it seems to have no effect on global vector fields.: the particles follow the direction and magnitude of the vec… --- ## [How to add a VectorFieldAnimated asset](https://forums.unrealengine.com/t/how-to-add-a-vectorfieldanimated-asset/386641)
**Author:** [@anonymous\_user\_1ebc372a](https://forums.unrealengine.com/u/anonymous_user_1ebc372a)\ **Replies:** 3\ **Last updated:** [August 26, 2019, 3:26am UTC](https://forums.unrealengine.com/t/how-to-add-a-vectorfieldanimated-asset/386641 "2019-08-26T03:26:47Z")
I can see that VectorVolumeAnimated is defined in the engine, and I want to try it out. But I can’t figure out how to add one to my Contents area (so that it can be referenced in either a VectorFieldVolumeAsset or a Loca… --- ## [Vector fields count](https://forums.unrealengine.com/t/vector-fields-count/453771)
**Author:** [@E\_luna\_Awiarera](https://forums.unrealengine.com/u/E_luna_Awiarera)\ **Replies:** 0\ **Last updated:** [August 12, 2019, 9:49pm UTC](https://forums.unrealengine.com/t/vector-fields-count/453771 "2019-08-12T21:49:22Z")
Yao… Does anyone tried to increase vector field count per emitter? I just need about 20+ of them, and it is totally fine when i increase that limit from 4 to 8 and even 9 of them, but something going wrong (engine just … --- ## [Can a LocalVectorField move with its spawner?](https://forums.unrealengine.com/t/can-a-localvectorfield-move-with-its-spawner/448570)
**Author:** [@Corpus\_Incognito](https://forums.unrealengine.com/u/Corpus_Incognito)\ **Replies:** 1\ **Last updated:** [May 8, 2019, 10:17pm UTC](https://forums.unrealengine.com/t/can-a-localvectorfield-move-with-its-spawner/448570 "2019-05-08T22:17:25Z")
I am emitting a particle from a ‘parent’ particle via an ‘Emitter Initial Location’ node. The ‘parent’ particle is moving along an axis. The issue is: the (child) particle being spawned has a local vector field within … --- ## [Custom Vector Field creation in maya](https://forums.unrealengine.com/t/custom-vector-field-creation-in-maya/408762)
**Author:** [@anonymous\_user\_1d8ea24c](https://forums.unrealengine.com/u/anonymous_user_1d8ea24c)\ **Replies:** 0\ **Last updated:** [November 4, 2017, 9:37pm UTC](https://forums.unrealengine.com/t/custom-vector-field-creation-in-maya/408762 "2017-11-04T21:37:11Z")
Hi, I have been trying to create a vector field for a GPU particle system. I followed this tutorial: \[A new, community-hosted Unreal Engine Wiki - Announcements - Epic Developer Community Forums\]\[1\] to create my fluid c… --- ## [Is there a way to keep the arrows of vector field visible in the game?](https://forums.unrealengine.com/t/is-there-a-way-to-keep-the-arrows-of-vector-field-visible-in-the-game/407191)
**Author:** [@Evan7282](https://forums.unrealengine.com/u/Evan7282)\ **Replies:** 0\ **Last updated:** [October 17, 2017, 12:54am UTC](https://forums.unrealengine.com/t/is-there-a-way-to-keep-the-arrows-of-vector-field-visible-in-the-game/407191 "2017-10-17T00:54:27Z")
I am new to the unreal engine. So far all I know is that I can create and visualize a vector field inside the particle system. I can only see the arrows when I edit in the particle system. When I put the object into the … --- ## [Only four vector fields working in blueprint](https://forums.unrealengine.com/t/only-four-vector-fields-working-in-blueprint/347372)
**Author:** [@kiyaha\_jr](https://forums.unrealengine.com/u/kiyaha_jr)\ **Replies:** 4\ **Last updated:** [July 11, 2017, 7:13am UTC](https://forums.unrealengine.com/t/only-four-vector-fields-working-in-blueprint/347372 "2017-07-11T07:13:01Z")
Hi there, Got a problem with multiple vector fields inside blueprint, only 4 instances working. After I add +1 vector field some of already created stops working, and after blueprint recompile not working field may chan… --- ## [Solution for Spherical gravity?](https://forums.unrealengine.com/t/solution-for-spherical-gravity/353975)
**Author:** [@Jahn.Justin](https://forums.unrealengine.com/u/Jahn.Justin)\ **Replies:** 3\ **Last updated:** [June 26, 2017, 6:05pm UTC](https://forums.unrealengine.com/t/solution-for-spherical-gravity/353975 "2017-06-26T18:05:07Z")
Hello. Has anyone come up with good solution Spherical or planet-like style gravity? This seems to be a tough one for UE4. Please post answers below. --- ## [How can i create my own vector fields?](https://forums.unrealengine.com/t/how-can-i-create-my-own-vector-fields/392349)
**Author:** [@anonymous\_user\_0a0cc5eb](https://forums.unrealengine.com/u/anonymous_user_0a0cc5eb)\ **Replies:** 1\ **Last updated:** [May 1, 2017, 9:01am UTC](https://forums.unrealengine.com/t/how-can-i-create-my-own-vector-fields/392349 "2017-05-01T09:01:02Z")
i dont have much money to spend on high end software like maya, how could i make a vector field that i can import into ue4 without spending any money on a high end programs? i would do a google search, but my internet i… --- ## [What is the maximum resolution for Vector Fields?](https://forums.unrealengine.com/t/what-is-the-maximum-resolution-for-vector-fields/388794)
**Author:** [@shinjin](https://forums.unrealengine.com/u/shinjin)\ **Replies:** 0\ **Last updated:** [March 23, 2017, 4:42pm UTC](https://forums.unrealengine.com/t/what-is-the-maximum-resolution-for-vector-fields/388794 "2017-03-23T16:42:52Z")
Hi all, What is the maximum Vector Field (static or dynamic) resolution that UE supports? Is it limited by the GPU or the engine itself? --- ## [UE4 Directory for Maya Velocity Grid?](https://forums.unrealengine.com/t/ue4-directory-for-maya-velocity-grid/382884)
**Author:** [@aallenfx](https://forums.unrealengine.com/u/aallenfx)\ **Replies:** 0\ **Last updated:** [January 25, 2017, 12:56am UTC](https://forums.unrealengine.com/t/ue4-directory-for-maya-velocity-grid/382884 "2017-01-25T00:56:53Z")
Where can I find the MayaVelocityGridExporter in UE4 directory? I’m trying to create custom vector fields, but I can’t find the root. All I see is Epic Games in the (C:) Drive and there’s no grid exporter anywhere. The … --- ## [Dynamic particle field?](https://forums.unrealengine.com/t/dynamic-particle-field/374478)
**Author:** [@NorlinGames](https://forums.unrealengine.com/u/NorlinGames)\ **Replies:** 0\ **Last updated:** [October 26, 2016, 7:51am UTC](https://forums.unrealengine.com/t/dynamic-particle-field/374478 "2016-10-26T07:51:56Z")
Hello! Is it possible to create a dynamic particle field which player can interact with: move some particles, “consume”/remove particles and so on, in real time? For example: Assume, there is a uniform particle field;… --- ## [How to get a vector field](https://forums.unrealengine.com/t/how-to-get-a-vector-field/365228)
**Author:** [@anonymous\_user\_83063f25](https://forums.unrealengine.com/u/anonymous_user_83063f25)\ **Replies:** 0\ **Last updated:** [July 26, 2016, 4:38pm UTC](https://forums.unrealengine.com/t/how-to-get-a-vector-field/365228 "2016-07-26T16:38:29Z")
how do you get the vel\_219 vector field used in the UE4 tutorial: Creating a GPU Sprite Emitter? --- ## [Particles are not following the vector field properly.](https://forums.unrealengine.com/t/particles-are-not-following-the-vector-field-properly/362640)
**Author:** [@NoobsDeSroobs](https://forums.unrealengine.com/u/NoobsDeSroobs)\ **Replies:** 0\ **Last updated:** [July 1, 2016, 1:03pm UTC](https://forums.unrealengine.com/t/particles-are-not-following-the-vector-field-properly/362640 "2016-07-01T13:03:14Z")
I am trying to use UE4 are a tool for visualizing scientific data and using particles to show field lines seemed like a good idea. However, even though I made a mathematically perfect flow field I was unable to get it to… --- ## [Define Global Vector Field in C++ Code](https://forums.unrealengine.com/t/define-global-vector-field-in-c-code/360077)
**Author:** [@anonymous\_user\_f9775595](https://forums.unrealengine.com/u/anonymous_user_f9775595)\ **Replies:** 0\ **Last updated:** [June 8, 2016, 2:00pm UTC](https://forums.unrealengine.com/t/define-global-vector-field-in-c-code/360077 "2016-06-08T14:00:02Z")
By following the official tutorial documentation on Particle Systems I see that Vector Field Volume Actors have a Vector Field attached to them and the field of vectors is defined from an ASCII file which you load in at … --- ## [Is it possible to make vector fields local without making the whole emitter local?](https://forums.unrealengine.com/t/is-it-possible-to-make-vector-fields-local-without-making-the-whole-emitter-local/358190)
**Author:** [@skazam](https://forums.unrealengine.com/u/skazam)\ **Replies:** 0\ **Last updated:** [May 22, 2016, 2:26pm UTC](https://forums.unrealengine.com/t/is-it-possible-to-make-vector-fields-local-without-making-the-whole-emitter-local/358190 "2016-05-22T14:26:03Z")
Hey guys i was wondering or it is possible to make vector fields local without making the whole emitter local so the emitted particles stay where they were emitted but have the vector fields local so they rotate along w… --- ## [Making fire embers interact with player](https://forums.unrealengine.com/t/making-fire-embers-interact-with-player/350700)
**Author:** [@Elias\_Leonard](https://forums.unrealengine.com/u/Elias_Leonard)\ **Replies:** 0\ **Last updated:** [March 16, 2016, 9:49am UTC](https://forums.unrealengine.com/t/making-fire-embers-interact-with-player/350700 "2016-03-16T09:49:25Z")
Hi, I’m trying to make embers of a fire particle swirl when he/she walks past or through the fire (and maybe even the flames). I took a look at global vector field and even Nvidia turbulence to achieve this effect, but… --- ## [Global Vector fields](https://forums.unrealengine.com/t/global-vector-fields/331815)
**Author:** [@Cerambyx\_Cerdo](https://forums.unrealengine.com/u/Cerambyx_Cerdo)\ **Replies:** 2\ **Last updated:** [October 7, 2015, 10:57am UTC](https://forums.unrealengine.com/t/global-vector-fields/331815 "2015-10-07T10:57:01Z")
Hello ! I am tring to use Global Vector fields like explained in the official documentation, but without any success. I have a GPU particle emitter with the global vf module activated, a field in a vector actor volume … --- ## [Black Hole Particle System in Cascade?](https://forums.unrealengine.com/t/black-hole-particle-system-in-cascade/315141)
**Author:** [@SupMike](https://forums.unrealengine.com/u/SupMike)\ **Replies:** 0\ **Last updated:** [April 15, 2015, 11:11am UTC](https://forums.unrealengine.com/t/black-hole-particle-system-in-cascade/315141 "2015-04-15T11:11:02Z")
Hi, I’m fairly new to cascade editor and I was wondering how could I go about creating a particle system resebling the one seen in the video below. I don’t want the center of the hole to be a black mesh, though- I was t… --- ## [Actor turbulence (dynamic vector fields)](https://forums.unrealengine.com/t/actor-turbulence-dynamic-vector-fields/314716)
**Author:** [@PersnicketyGareth](https://forums.unrealengine.com/u/PersnicketyGareth)\ **Replies:** 1\ **Last updated:** [April 14, 2015, 12:59am UTC](https://forums.unrealengine.com/t/actor-turbulence-dynamic-vector-fields/314716 "2015-04-14T00:59:21Z")
After dozens of google-searches, I am giving up and can only conclude that there is a functionality of Apex Turbulence missing from UE4. That is the one where particles swirl around, reacting to the changes in pressure … --- ## [Particles attracted to actors](https://forums.unrealengine.com/t/particles-attracted-to-actors/311597)
**Author:** [@Justin.Dooley](https://forums.unrealengine.com/u/Justin.Dooley)\ **Replies:** 2\ **Last updated:** [March 19, 2015, 10:46pm UTC](https://forums.unrealengine.com/t/particles-attracted-to-actors/311597 "2015-03-19T22:46:29Z")
Is it possible to have particles (preferably GPU particles) attracted to an actor or another particle system. This could be using something like a point gravity in a second particle system to attract particles emitted so… --- ## [How is compatibility between UE4 and Blender regarding Vector Fields?](https://forums.unrealengine.com/t/how-is-compatibility-between-ue4-and-blender-regarding-vector-fields/280014)
**Author:** [@anonymous\_user\_f60769c5](https://forums.unrealengine.com/u/anonymous_user_f60769c5)\ **Replies:** 5\ **Last updated:** [February 10, 2015, 11:53pm UTC](https://forums.unrealengine.com/t/how-is-compatibility-between-ue4-and-blender-regarding-vector-fields/280014 "2015-02-10T23:53:28Z")
Basically is it possible to create your own vector fields within Blender, possible right now. --- ## [Can I create a Vector Field in Cascade?](https://forums.unrealengine.com/t/can-i-create-a-vector-field-in-cascade/278089)
**Author:** [@cgbeige\_1](https://forums.unrealengine.com/u/cgbeige_1)\ **Replies:** 7\ **Last updated:** [February 2, 2015, 5:55pm UTC](https://forums.unrealengine.com/t/can-i-create-a-vector-field-in-cascade/278089 "2015-02-02T17:55:47Z")
I’m trying to create a vector field actor but I can’t find it anywhere on Mac. Also, how do you increase the bounds of a GPU emitter volume instead of scaling the individual emitters? edit: found it in the class viewer … [Next page](https://forums.unrealengine.com/tag/vector-fields/157.md?match_all_tags=true&page=1&tags%5B%5D=vector-fields)