# \#curve **URL:** https://forums.unrealengine.com/tag/curve/559.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [How to create perfectly parallel offset splines?](https://forums.unrealengine.com/t/how-to-create-perfectly-parallel-offset-splines/2699249)
**Author:** [@Extrahdmi](https://forums.unrealengine.com/u/Extrahdmi)\ **Replies:** 8\ **Last updated:** [September 1, 2026, 8:43pm UTC](https://forums.unrealengine.com/t/how-to-create-perfectly-parallel-offset-splines/2699249 "2026-09-01T20:43:28Z")
I am trying to create a spline with parallel points and tangents. I managed to make the points parallel, but I don’t know how to adjust the tangent scale, so the curves are not parallel. I’ve also tried scaling based on… --- ## [Constant Interpolation on Material Curve doesn't work right/interpolates inbetween frames](https://forums.unrealengine.com/t/constant-interpolation-on-material-curve-doesnt-work-right-interpolates-inbetween-frames/2520326)
**Author:** [@treeese](https://forums.unrealengine.com/u/treeese)\ **Replies:** 2\ **Last updated:** [July 30, 2026, 1:56pm UTC](https://forums.unrealengine.com/t/constant-interpolation-on-material-curve-doesnt-work-right-interpolates-inbetween-frames/2520326 "2026-07-30T13:56:51Z")
Hey, so I’ve been experimenting with animation curves for animating materials (in this case controlling a character’s face textures), but I’ve found that I can’t find a way to stop the values from interpolating in betwee… --- ## [Crash on opening Curve Editor](https://forums.unrealengine.com/t/crash-on-opening-curve-editor/2733905)
**Author:** [@Skunkmeister](https://forums.unrealengine.com/u/Skunkmeister)\ **Replies:** 1\ **Last updated:** [July 6, 2026, 5:13pm UTC](https://forums.unrealengine.com/t/crash-on-opening-curve-editor/2733905 "2026-07-06T17:13:54Z")
Summary Upon opening a curve editor for ANY curve asset (float curve, color curve, etc), the editor crashes. This happens regardless of the curve type the curve asset (i.e. a completely new uasset) the project (happen… --- ## [Exposure compensation curve crash in standalone.](https://forums.unrealengine.com/t/exposure-compensation-curve-crash-in-standalone/2717756)
**Author:** [@kotlet](https://forums.unrealengine.com/u/kotlet)\ **Replies:** 5\ **Last updated:** [May 13, 2026, 7:24pm UTC](https://forums.unrealengine.com/t/exposure-compensation-curve-crash-in-standalone/2717756 "2026-05-13T19:24:21Z")
So I use exposure compensation curve in postprocess volume and it crashes standalone game window when using restartlevel cvar. Works fine in editor and packaged. Bug I guess? I also tested it in some new project, also c… --- ## [Using Curves In UI Widgets ](https://forums.unrealengine.com/t/using-curves-in-ui-widgets/2705495)
**Author:** [@Roaringleagend45](https://forums.unrealengine.com/u/Roaringleagend45)\ **Replies:** 1\ **Last updated:** [March 12, 2026, 8:30pm UTC](https://forums.unrealengine.com/t/using-curves-in-ui-widgets/2705495 "2026-03-12T20:30:52Z")
I am trying to use a curve to adjust the positions of each card widget in the card hand based on the cards position weight. I cant seem to use/add the curve in the blueprint editor of the card hand widget. --- ## [Anim curves Pascal case breaks up in 5.7](https://forums.unrealengine.com/t/anim-curves-pascal-case-breaks-up-in-5-7/2698477)
**Author:** [@JoCo](https://forums.unrealengine.com/u/JoCo)\ **Replies:** 0\ **Last updated:** [February 9, 2026, 11:44am UTC](https://forums.unrealengine.com/t/anim-curves-pascal-case-breaks-up-in-5-7/2698477 "2026-02-09T11:44:51Z")
We have a bunch of anim curves on our Skeleton (created in earlier versions than 5.7). (I’m talking about the anim curves you can then apply to a sequence or a montage to drive certain systems) We named these in Pascal… --- ## [Anim Curves from other Skeletons show up whilst unticking "Show curves from other skeletons"](https://forums.unrealengine.com/t/anim-curves-from-other-skeletons-show-up-whilst-unticking-show-curves-from-other-skeletons/2471774)
**Author:** [@JoCo](https://forums.unrealengine.com/u/JoCo)\ **Replies:** 1\ **Last updated:** [February 9, 2026, 11:36am UTC](https://forums.unrealengine.com/t/anim-curves-from-other-skeletons-show-up-whilst-unticking-show-curves-from-other-skeletons/2471774 "2026-02-09T11:36:22Z")
Hi all, This was discussed on some UDN posts but I do not have access to those anymore (not having a UDN account..) but I did save the links back when I had access, so Epic staff members can take a look: https://udn.un… --- ## [How do you select and edit multiple spline points?](https://forums.unrealengine.com/t/how-do-you-select-and-edit-multiple-spline-points/442255)
**Author:** [@patch24](https://forums.unrealengine.com/u/patch24)\ **Replies:** 6\ **Last updated:** [May 13, 2025, 3:26pm UTC](https://forums.unrealengine.com/t/how-do-you-select-and-edit-multiple-spline-points/442255 "2025-05-13T15:26:17Z")
Simple question. I have a spline component and in a level, I added and arranged points to make a curve. How do I group select multiple spline points at once to move around as a group? Thanks. --- ## [discontinued spline mesh](https://forums.unrealengine.com/t/discontinued-spline-mesh/432392)
**Author:** [@Peregrin05](https://forums.unrealengine.com/u/Peregrin05)\ **Replies:** 2\ **Last updated:** [March 23, 2025, 10:51pm UTC](https://forums.unrealengine.com/t/discontinued-spline-mesh/432392 "2025-03-23T22:51:04Z")
I have a plane mesh that is laid out along the spline. I’m facing at the moment 2 problems: spline mesh is discontinued leaving quite visible gap between meshes. spline mesh doesn’t curve properly along the spline. I … --- ## ["Anim Curves" window is not there and Curves do not work at all](https://forums.unrealengine.com/t/anim-curves-window-is-not-there-and-curves-do-not-work-at-all/2340176)
**Author:** [@Ericky](https://forums.unrealengine.com/u/Ericky)\ **Replies:** 0\ **Last updated:** [February 17, 2025, 9:23pm UTC](https://forums.unrealengine.com/t/anim-curves-window-is-not-there-and-curves-do-not-work-at-all/2340176 "2025-02-17T21:23:10Z")
I cannot find the “Anim Curves” window as mentioned in the documentation on engine version 5.5 And while I have my curve setup on my sequence, on the right side on Curve Debugger, the weight value does not seem to be up… --- ## [How to Make a Function that Convert Runtime Float Curve into a Float Curve object](https://forums.unrealengine.com/t/how-to-make-a-function-that-convert-runtime-float-curve-into-a-float-curve-object/1317791)
**Author:** [@GGUMINGUUU](https://forums.unrealengine.com/u/GGUMINGUUU)\ **Replies:** 1\ **Last updated:** [December 27, 2024, 1:35pm UTC](https://forums.unrealengine.com/t/how-to-make-a-function-that-convert-runtime-float-curve-into-a-float-curve-object/1317791 "2024-12-27T13:35:17Z")
Hello there , Im trying to find a way to convert a Runtime Float Curve into a Float Curve ( which could be used as to the Set Curve to a Timeline. I’m not a pro on unreal C++ ; so i suck at this early time here is so fa… --- ## [Custom attribute with morph targets not working?](https://forums.unrealengine.com/t/custom-attribute-with-morph-targets-not-working/2069502)
**Author:** [@martyysmart](https://forums.unrealengine.com/u/martyysmart)\ **Replies:** 0\ **Last updated:** [October 15, 2024, 1:33pm UTC](https://forums.unrealengine.com/t/custom-attribute-with-morph-targets-not-working/2069502 "2024-10-15T13:33:29Z")
Hi! I have a rig in Maya where blendshapes are used in animations, and want to make sure the animated blendshapes work in UE5.3. Aka, that the curves for the blendshape values are baked and imported correctly. Right now… --- ## [Problems about FRuntimeFloatCurve UPROPERTY](https://forums.unrealengine.com/t/problems-about-fruntimefloatcurve-uproperty/456938)
**Author:** [@anonymous\_user\_e577384b](https://forums.unrealengine.com/u/anonymous_user_e577384b)\ **Replies:** 1\ **Last updated:** [June 2, 2024, 4:24pm UTC](https://forums.unrealengine.com/t/problems-about-fruntimefloatcurve-uproperty/456938 "2024-06-02T16:24:34Z")
I create a UPROPERTY which type is FRuntimeFloatCurve. I have three problems now: How to make FRuntimeFloatCurve unmodifiable? I try this way but it still can edit in ue4 editor. protected: UPROPERTY(AssetRegist… --- ## [Cant Use FRuntimeCurveLinearColor in Blueprint](https://forums.unrealengine.com/t/cant-use-fruntimecurvelinearcolor-in-blueprint/1864278)
**Author:** [@miccall](https://forums.unrealengine.com/u/miccall)\ **Replies:** 0\ **Last updated:** [May 20, 2024, 5:52am UTC](https://forums.unrealengine.com/t/cant-use-fruntimecurvelinearcolor-in-blueprint/1864278 "2024-05-20T05:52:13Z")
FRuntimeFloatCurve and FRuntimeVectorCurve can be used in blueprints. But !!! Why is this FRuntimeCurveLinearColor not set to be available for blueprints ? Engine/Source/Runtime/Engine/Classes/Curves/CurveLinearColor.… --- ## [Can runtime curves be exposed to blueprints, please?](https://forums.unrealengine.com/t/can-runtime-curves-be-exposed-to-blueprints-please/1640897)
**Author:** [@ConverseFox](https://forums.unrealengine.com/u/ConverseFox)\ **Replies:** 9\ **Last updated:** [April 4, 2024, 2:53pm UTC](https://forums.unrealengine.com/t/can-runtime-curves-be-exposed-to-blueprints-please/1640897 "2024-04-04T14:53:28Z")
Runtime curves seem to be super useful, but for whatever reason they haven’t been exposed to blueprint yet. Please, can this happen already? Currently you can add a runtime curve variable (float and vector) in blueprint… --- ## [Metahumen face animation can't be reproduced after upgrading it from 5.1 to 5.3](https://forums.unrealengine.com/t/metahumen-face-animation-cant-be-reproduced-after-upgrading-it-from-5-1-to-5-3/1776436)
**Author:** [@Shifty-max](https://forums.unrealengine.com/u/Shifty-max)\ **Replies:** 0\ **Last updated:** [March 28, 2024, 6:31pm UTC](https://forums.unrealengine.com/t/metahumen-face-animation-cant-be-reproduced-after-upgrading-it-from-5-1-to-5-3/1776436 "2024-03-28T18:31:36Z")
Hello, after migrating UE from 5.1 to 5.3 and updating metahumans, face animation didin’t play anything. Turned out it could be fixed if I updated only UE, but not metahumans. But after updating metahumans face do nothi… --- ## [How to connect morph targets to themselves?](https://forums.unrealengine.com/t/how-to-connect-morph-targets-to-themselves/1619757)
**Author:** [@Texn0krat](https://forums.unrealengine.com/u/Texn0krat)\ **Replies:** 0\ **Last updated:** [January 16, 2024, 7:05pm UTC](https://forums.unrealengine.com/t/how-to-connect-morph-targets-to-themselves/1619757 "2024-01-16T19:05:07Z")
Hello. If I want to get something similar to drivers from Blender, I mean to connect values of morph targets to themselves, how can I do that? I just want to change one of the morphs and it should cause the changing of a… --- ## [Anim blueprint and threadsafe curve?](https://forums.unrealengine.com/t/anim-blueprint-and-threadsafe-curve/1285198)
**Author:** [@blueearth](https://forums.unrealengine.com/u/blueearth)\ **Replies:** 2\ **Last updated:** [November 9, 2023, 11:44pm UTC](https://forums.unrealengine.com/t/anim-blueprint-and-threadsafe-curve/1285198 "2023-11-09T23:44:42Z")
I have a variable in my animation blueprint set to a curve object for reusability. But when trying to access “get float value” for the curve the compiler complains about it not being thread safe. Some posts I have found… --- ## [Get value from Animation Curve at a specified time](https://forums.unrealengine.com/t/get-value-from-animation-curve-at-a-specified-time/335759)
**Author:** [@anonymous\_user\_4de5aab3](https://forums.unrealengine.com/u/anonymous_user_4de5aab3)\ **Replies:** 2\ **Last updated:** [October 30, 2023, 2:37pm UTC](https://forums.unrealengine.com/t/get-value-from-animation-curve-at-a-specified-time/335759 "2023-10-30T14:37:21Z")
Is there a way to get the value of an animation curve at a particular time in blueprints? I can get the value of the curve at the current animation time via \[“Get Curve Value”\]\[1\]. Maybe it is possible to use \[“Get Floa… --- ## [Adding and editing properties of Curve Asset](https://forums.unrealengine.com/t/adding-and-editing-properties-of-curve-asset/1350117)
**Author:** [@dzemzmcdonalda](https://forums.unrealengine.com/u/dzemzmcdonalda)\ **Replies:** 0\ **Last updated:** [October 28, 2023, 10:26pm UTC](https://forums.unrealengine.com/t/adding-and-editing-properties-of-curve-asset/1350117 "2023-10-28T22:26:04Z")
Hello, I was wondering if it is possible to add few properties to the class derived from UCurveBase, in the way that they could be edited inside of Curve Editor ? I just want my Curve Asset to store more data than the … --- ## [Animation Curves Are returning wrong value (0)](https://forums.unrealengine.com/t/animation-curves-are-returning-wrong-value-0/475890)
**Author:** [@DreamriseStudios](https://forums.unrealengine.com/u/DreamriseStudios)\ **Replies:** 6\ **Last updated:** [October 27, 2023, 4:51am UTC](https://forums.unrealengine.com/t/animation-curves-are-returning-wrong-value-0/475890 "2023-10-27T04:51:07Z")
After Updating our project from 4.25 to 4.26 we started experiencing problem with animation curves. Our Enemy AI is returning 0 instead of Curve Value while animations are playing. (Animation Curve Is not updating) The… --- ## [nDisplay - How to make a .mpcdi or .pmf file for the projection configuration](https://forums.unrealengine.com/t/ndisplay-how-to-make-a-mpcdi-or-pmf-file-for-the-projection-configuration/455702)
**Author:** [@Chew\_Dlakic](https://forums.unrealengine.com/u/Chew_Dlakic)\ **Replies:** 9\ **Last updated:** [October 17, 2023, 5:01pm UTC](https://forums.unrealengine.com/t/ndisplay-how-to-make-a-mpcdi-or-pmf-file-for-the-projection-configuration/455702 "2023-10-17T17:01:20Z")
I have created a config file for a room with 12 vertical screens all around you. I now need to curve the displays but have not found a way to create mpcdi or pfm file for the \[projection\] parameters. There is basically n… --- ## [Animation Retarget Error](https://forums.unrealengine.com/t/animation-retarget-error/1225625)
**Author:** [@hye](https://forums.unrealengine.com/u/hye)\ **Replies:** 1\ **Last updated:** [July 11, 2023, 6:25am UTC](https://forums.unrealengine.com/t/animation-retarget-error/1225625 "2023-07-11T06:25:44Z")
Hi I want to change A character’s body and face animation to B character. Ik Retargeter is used, and the face target follows the name of the ARKit. The body comes in well with retargeting, but the curve mixes aft… --- ## [Retargeting adds blend targets to the Skeleton Editor Anim Curves. why?](https://forums.unrealengine.com/t/retargeting-adds-blend-targets-to-the-skeleton-editor-anim-curves-why/1224520)
**Author:** [@Power\_Jin](https://forums.unrealengine.com/u/Power_Jin)\ **Replies:** 0\ **Last updated:** [July 10, 2023, 2:34am UTC](https://forums.unrealengine.com/t/retargeting-adds-blend-targets-to-the-skeleton-editor-anim-curves-why/1224520 "2023-07-10T02:34:15Z")
hi My retarget system does not separate the body and the face, but is subordinated to the body and used. What I’m curious about When you retarget, the corresponding retarget anim curve is added to my skeleton editor… --- ## [How to edit ThirdPerson Offset Curve in LYRA in runtime?](https://forums.unrealengine.com/t/how-to-edit-thirdperson-offset-curve-in-lyra-in-runtime/788746)
**Author:** [@Wickie](https://forums.unrealengine.com/u/Wickie)\ **Replies:** 2\ **Last updated:** [May 19, 2023, 11:06pm UTC](https://forums.unrealengine.com/t/how-to-edit-thirdperson-offset-curve-in-lyra-in-runtime/788746 "2023-05-19T23:06:47Z")
In the Lyra starter game the camera mode uses an offset curve. How would I easily and properly access the curve being used by the ThirdPerson Camera Mode in Lyra so that I can use it to adjust the camera offset in run ti… --- ## [Animation curves](https://forums.unrealengine.com/t/animation-curves/1157672)
**Author:** [@elguapador](https://forums.unrealengine.com/u/elguapador)\ **Replies:** 2\ **Last updated:** [May 7, 2023, 2:26pm UTC](https://forums.unrealengine.com/t/animation-curves/1157672 "2023-05-07T14:26:41Z")
I’m blending two sets of animations by bone and trying to extract my curve data from one set of animations. The curves are all set correctly and there is no confliciting curve data in any other animations but weirdly, I … --- ## [Inserting spline point without distorting curve](https://forums.unrealengine.com/t/inserting-spline-point-without-distorting-curve/377690)
**Author:** [@Ungalyant](https://forums.unrealengine.com/u/Ungalyant)\ **Replies:** 2\ **Last updated:** [April 19, 2023, 10:23am UTC](https://forums.unrealengine.com/t/inserting-spline-point-without-distorting-curve/377690 "2023-04-19T10:23:35Z")
Hi guys, So I’m trying to use spline components for a system I’m making. I’m trying to add 2 points along the curve, either side of another point, but have those points in no way distort the existing spline. I found the… --- ## [What to make a perfect sine in UE curve editor?](https://forums.unrealengine.com/t/what-to-make-a-perfect-sine-in-ue-curve-editor/815072)
**Author:** [@DigbyZ](https://forums.unrealengine.com/u/DigbyZ)\ **Replies:** 0\ **Last updated:** [March 24, 2023, 4:50am UTC](https://forums.unrealengine.com/t/what-to-make-a-perfect-sine-in-ue-curve-editor/815072 "2023-03-24T04:50:17Z")
I am a bit of perfectionism, I want this curve can make a perfect circle, but UE Curve Editor has not Easing like Blender, if it need plugin in UE Curve Editor, Please call me where is it, Thanks! --- ## [Anim Curve strangely clamped at half?](https://forums.unrealengine.com/t/anim-curve-strangely-clamped-at-half/441792)
**Author:** [@Xanadron](https://forums.unrealengine.com/u/Xanadron)\ **Replies:** 1\ **Last updated:** [December 18, 2022, 11:08pm UTC](https://forums.unrealengine.com/t/anim-curve-strangely-clamped-at-half/441792 "2022-12-18T23:08:00Z")
Hi, i want to blend between two animations A and B, using a curve value in A’s animation to drive the alpha. However the curve value never goes half its max range. So if the max value is 1 it will be clamped at 0.5. Why … --- ## [Using Live Link curve values without corresponding morph targets](https://forums.unrealengine.com/t/using-live-link-curve-values-without-corresponding-morph-targets/725695)
**Author:** [@CampionJK](https://forums.unrealengine.com/u/CampionJK)\ **Replies:** 4\ **Last updated:** [December 11, 2022, 6:12pm UTC](https://forums.unrealengine.com/t/using-live-link-curve-values-without-corresponding-morph-targets/725695 "2022-12-11T18:12:52Z")
Hello, I have a character with a single eye, which has morph targets for that eye set up to match the morph targets used by Live Link. What I would like is to be able to use both the left and right morph targets to driv… [Next page](https://forums.unrealengine.com/tag/curve/559.md?match_all_tags=true&page=1&tags%5B%5D=curve)