# \#curve-editor **URL:** https://forums.unrealengine.com/tag/curve-editor/285.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [How to set all animation sequences to be frame-based? ](https://forums.unrealengine.com/t/how-to-set-all-animation-sequences-to-be-frame-based/2846379)
**Author:** [@AgentMic0604](https://forums.unrealengine.com/u/AgentMic0604)\ **Replies:** 4\ **Last updated:** [October 31, 2026, 5:46am UTC](https://forums.unrealengine.com/t/how-to-set-all-animation-sequences-to-be-frame-based/2846379 "2026-10-31T05:46:33Z")
I want to set keyframes in an animation sequence, but for some reason the settings are in seconds. This is the worst editor ever. It’s ridiculous that a key"frame" can’t be set on a frame-by-frame basis, but instead the … --- ## [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… --- ## ["translate keys" hotkey in curve editor does not show up in undo history ](https://forums.unrealengine.com/t/translate-keys-hotkey-in-curve-editor-does-not-show-up-in-undo-history/2717020)
**Author:** [@ichbinmatthias](https://forums.unrealengine.com/u/ichbinmatthias)\ **Replies:** 0\ **Last updated:** [April 21, 2026, 2:11pm UTC](https://forums.unrealengine.com/t/translate-keys-hotkey-in-curve-editor-does-not-show-up-in-undo-history/2717020 "2026-04-21T14:11:19Z")
Summary “translate keys” hotkey (CTRL + arrow key) does not show up in undo history when being used in the curve editor (in the sequencer it works) Please select what you are reporting on: Creative What Type of Bug ar… --- ## [Why is my unreal engine 5.6 curve editor only showing points and no lines](https://forums.unrealengine.com/t/why-is-my-unreal-engine-5-6-curve-editor-only-showing-points-and-no-lines/2642821)
**Author:** [@drnooe](https://forums.unrealengine.com/u/drnooe)\ **Replies:** 4\ **Last updated:** [August 18, 2025, 5:11pm UTC](https://forums.unrealengine.com/t/why-is-my-unreal-engine-5-6-curve-editor-only-showing-points-and-no-lines/2642821 "2025-08-18T17:11:02Z")
Hi everyone, I am trying to work in the Sequencer curve editor in Unreal Engine 5.6 and I only see the points for my keyframes. There is no line connecting them like I am used to seeing in UE 5.4 ( here is how it should… --- ## [Why can't use curve editor with quaternion function in Sequencer.](https://forums.unrealengine.com/t/why-cant-use-curve-editor-with-quaternion-function-in-sequencer/451784)
**Author:** [@Johnoh](https://forums.unrealengine.com/u/Johnoh)\ **Replies:** 3\ **Last updated:** [April 9, 2025, 3:07am UTC](https://forums.unrealengine.com/t/why-cant-use-curve-editor-with-quaternion-function-in-sequencer/451784 "2025-04-09T03:07:05Z")
Hello, This is John. I have a simple question of new function which is quaternion calculation in UE4. I was really happy for ( https://twitter.com/unrealengine/status/1031579200317259778 ) adding quaternion calculation… --- ## [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… --- ## [Rotation Curves On Joints/Bones](https://forums.unrealengine.com/t/rotation-curves-on-joints-bones/1784218)
**Author:** [@Multilooper](https://forums.unrealengine.com/u/Multilooper)\ **Replies:** 0\ **Last updated:** [April 2, 2024, 7:43pm UTC](https://forums.unrealengine.com/t/rotation-curves-on-joints-bones/1784218 "2024-04-02T19:43:52Z")
I’m trying to understand if its possible to visualize ( and potentially edit ) the animation curves on bones/joints in a skeleton. I understand how to add additive Layer tracks and keyframing those in the animation se… --- ## [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 … --- ## [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! --- ## [The curve in the sequence is not interchangeable with UCurveFloat assets](https://forums.unrealengine.com/t/the-curve-in-the-sequence-is-not-interchangeable-with-ucurvefloat-assets/724004)
**Author:** [@xiumuqingliu](https://forums.unrealengine.com/u/xiumuqingliu)\ **Replies:** 0\ **Last updated:** [December 8, 2022, 11:52am UTC](https://forums.unrealengine.com/t/the-curve-in-the-sequence-is-not-interchangeable-with-ucurvefloat-assets/724004 "2022-12-08T11:52:13Z")
The curve in the sequence is not interchangeable with UCurveFloat assets. In fact, the ChannelCurve cannot be converted to the RichCurve. Is there any good way? Thanks. --- ## [Bug with Imported Curve Tables, Unable to Edit Name or Delete Column of Table](https://forums.unrealengine.com/t/bug-with-imported-curve-tables-unable-to-edit-name-or-delete-column-of-table/607125)
**Author:** [@DavidNyaaselhoff](https://forums.unrealengine.com/u/DavidNyaaselhoff)\ **Replies:** 0\ **Last updated:** [July 17, 2022, 9:14pm UTC](https://forums.unrealengine.com/t/bug-with-imported-curve-tables-unable-to-edit-name-or-delete-column-of-table/607125 "2022-07-17T21:14:06Z")
Steps to reproduce: Create a Blank Template called “CurveTableBug”. Import a JSON/CSV file as a Curve Table. Attempt to Add a Curve, possible. It cannot be renamed. Attempt to Delete a Column of Curve Values, impossibl… --- ## [Can't change the handle angle together when select 3 channels in curve editor](https://forums.unrealengine.com/t/cant-change-the-handle-angle-together-when-select-3-channels-in-curve-editor/363972)
**Author:** [@SilenceMoon.2017](https://forums.unrealengine.com/u/SilenceMoon.2017)\ **Replies:** 3\ **Last updated:** [September 1, 2021, 8:52pm UTC](https://forums.unrealengine.com/t/cant-change-the-handle-angle-together-when-select-3-channels-in-curve-editor/363972 "2021-09-01T20:52:51Z")
I have read the documentation of curve editor.but I can’t change the handle angle together when I select 3 channels on one point. It always change only one channel. Is there any why to do this or any hot keys I have miss… --- ## [Why cant i stretch the curve handles in sequencer?](https://forums.unrealengine.com/t/why-cant-i-stretch-the-curve-handles-in-sequencer/376243)
**Author:** [@Macler](https://forums.unrealengine.com/u/Macler)\ **Replies:** 15\ **Last updated:** [May 14, 2021, 2:30pm UTC](https://forums.unrealengine.com/t/why-cant-i-stretch-the-curve-handles-in-sequencer/376243 "2021-05-14T14:30:10Z")
I cant seem to be able to stretch the curve handles in sequencer to make my curves nice and fluent. Am I missing something or is it a missing feature / bug? I believe this was possible in Matinee. In Matinee there was a… --- ## [Draw many curves with different colors](https://forums.unrealengine.com/t/draw-many-curves-with-different-colors/454567)
**Author:** [@anonymous\_user\_e577384b](https://forums.unrealengine.com/u/anonymous_user_e577384b)\ **Replies:** 1\ **Last updated:** [March 19, 2021, 11:55pm UTC](https://forums.unrealengine.com/t/draw-many-curves-with-different-colors/454567 "2021-03-19T23:55:12Z")
Hi all, Does anyone know how to add the curves of different colors (like screenshot) in UE4? I want to add more than four curves of different colors. After I look up the CurveColorCustomization.h/cpp and SCurveEditor.… --- ## [Animation keyframe not showing in curve editor](https://forums.unrealengine.com/t/animation-keyframe-not-showing-in-curve-editor/473032)
**Author:** [@Eldonpoko](https://forums.unrealengine.com/u/Eldonpoko)\ **Replies:** 1\ **Last updated:** [October 17, 2020, 7:01pm UTC](https://forums.unrealengine.com/t/animation-keyframe-not-showing-in-curve-editor/473032 "2020-10-17T19:01:08Z")
Hey all, quick question, must be something super small that I’m missing but I can’t find the answer. When I open the curve editor for my facial animations, I don’t see the keyframes, thus it’s impossible to select anythi… --- ## [Cannot get Curve Atlas Parameter in Post Process Component to Update in Editor](https://forums.unrealengine.com/t/cannot-get-curve-atlas-parameter-in-post-process-component-to-update-in-editor/455842)
**Author:** [@troydSPAMBOT3000](https://forums.unrealengine.com/u/troydSPAMBOT3000)\ **Replies:** 2\ **Last updated:** [September 25, 2019, 6:29pm UTC](https://forums.unrealengine.com/t/cannot-get-curve-atlas-parameter-in-post-process-component-to-update-in-editor/455842 "2019-09-25T18:29:38Z")
Hi all. I have recreated this bug in a new project and got the same result. I have a curve atlas I am using in my game, remapping scene texture to a curve. The specific curve to use is changed at runtime. In a build, … --- ## [Curve editor thinks it's in mouse drag mode, can't play in editor](https://forums.unrealengine.com/t/curve-editor-thinks-its-in-mouse-drag-mode-cant-play-in-editor/365708)
**Author:** [@wmassingham](https://forums.unrealengine.com/u/wmassingham)\ **Replies:** 4\ **Last updated:** [July 11, 2019, 1:43pm UTC](https://forums.unrealengine.com/t/curve-editor-thinks-its-in-mouse-drag-mode-cant-play-in-editor/365708 "2019-07-11T13:43:14Z")
Steps to reproduce: Open curve editor Drag a key or curve handle While dragging with left mouse button, press right mouse button Key or handle jumps back to original location and mouse is released Click play Editor ref… --- ## [Mouse location is off in the curve editor in particle system editor when Enable high DPI support is on](https://forums.unrealengine.com/t/mouse-location-is-off-in-the-curve-editor-in-particle-system-editor-when-enable-high-dpi-support-is-on/451230)
**Author:** [@Nastymonk](https://forums.unrealengine.com/u/Nastymonk)\ **Replies:** 1\ **Last updated:** [June 25, 2019, 9:09pm UTC](https://forums.unrealengine.com/t/mouse-location-is-off-in-the-curve-editor-in-particle-system-editor-when-enable-high-dpi-support-is-on/451230 "2019-06-25T21:09:11Z")
I’m using a 15 inches laptop screen with 1920x1080 resolution and the scaling set to 125% in windows. When Enable High DPI Support is on in Unreal, the mouse location is off from where it is actually registered in the c… --- ## [Curves dont show up in curve editor](https://forums.unrealengine.com/t/curves-dont-show-up-in-curve-editor/299713)
**Author:** [@Anshul](https://forums.unrealengine.com/u/Anshul)\ **Replies:** 4\ **Last updated:** [April 18, 2019, 2:08pm UTC](https://forums.unrealengine.com/t/curves-dont-show-up-in-curve-editor/299713 "2019-04-18T14:08:40Z")
Hello knowledgeable people, I have this strange problem with UE4.5 on my Mac. Whenever I create a new curve or open a curve editor whether it is via Cascade or simply double clicking the curve asset the curve dont show … --- ## [Sequencer Curve Editor Only Applies Key Interpolation Post-Key / Out](https://forums.unrealengine.com/t/sequencer-curve-editor-only-applies-key-interpolation-post-key-out/405534)
**Author:** [@RyanHaury](https://forums.unrealengine.com/u/RyanHaury)\ **Replies:** 3\ **Last updated:** [January 17, 2019, 9:50pm UTC](https://forums.unrealengine.com/t/sequencer-curve-editor-only-applies-key-interpolation-post-key-out/405534 "2019-01-17T21:50:59Z")
Notice in the image above, the key selected has “Linear interpolation” applied, but looking at the bezier handles and curve, it clearly is not linear. In the image below, I selected “linear” for the previous key, and y… --- ## [Cascade curve editor - zooming is broken ?](https://forums.unrealengine.com/t/cascade-curve-editor-zooming-is-broken/426293)
**Author:** [@sunlite](https://forums.unrealengine.com/u/sunlite)\ **Replies:** 0\ **Last updated:** [May 30, 2018, 2:50pm UTC](https://forums.unrealengine.com/t/cascade-curve-editor-zooming-is-broken/426293 "2018-05-30T14:50:14Z")
my cascade curve editor somehow got screwed up and it’s always zoomed in a bit. Whenever I a do “fit to selected” there are still keys not visible, and I can’t see my horizontal timeline labels. I’ve tried resizing, m… --- ## [Viewport does not update when changing the curve handlers on Sequencer](https://forums.unrealengine.com/t/viewport-does-not-update-when-changing-the-curve-handlers-on-sequencer/405942)
**Author:** [@anonymous\_user\_213579db](https://forums.unrealengine.com/u/anonymous_user_213579db)\ **Replies:** 5\ **Last updated:** [February 12, 2018, 8:30pm UTC](https://forums.unrealengine.com/t/viewport-does-not-update-when-changing-the-curve-handlers-on-sequencer/405942 "2018-02-12T20:30:21Z")
Steps to reproduce: Create a Sequencer Add an actor to it Add a Transform Track Add some keyframes Click “Show the animation keys in a curve editor” Click and drag some curve handler Error: while dragging the handler,… --- ## [Sequencer curve editor: how to adjust curve handle length?](https://forums.unrealengine.com/t/sequencer-curve-editor-how-to-adjust-curve-handle-length/362405)
**Author:** [@anonymous\_user\_89146694](https://forums.unrealengine.com/u/anonymous_user_89146694)\ **Replies:** 3\ **Last updated:** [September 21, 2017, 10:06pm UTC](https://forums.unrealengine.com/t/sequencer-curve-editor-how-to-adjust-curve-handle-length/362405 "2017-09-21T22:06:26Z")
Hi. I want to transform camera parameters in Sequencer’s curve editor but I can’t adjust (lengthen / shorten) the handles. Anchors can’t be pulled and I see no option in the interface either. What is the way? Thanks! … --- ## [Copy keys into curve editor](https://forums.unrealengine.com/t/copy-keys-into-curve-editor/311403)
**Author:** [@anonymous\_user\_10f915b7](https://forums.unrealengine.com/u/anonymous_user_10f915b7)\ **Replies:** 1\ **Last updated:** [May 12, 2017, 9:32am UTC](https://forums.unrealengine.com/t/copy-keys-into-curve-editor/311403 "2017-05-12T09:32:38Z")
Hi, is there a way to copy/paste keys in the curve editor? I am also looking to be able the scale in time a group of keys (extend the time between them, or compress time) ?. If not possible, that should definitively b… --- ## [How to manually keyframe morphs](https://forums.unrealengine.com/t/how-to-manually-keyframe-morphs/392632)
**Author:** [@Toonman71](https://forums.unrealengine.com/u/Toonman71)\ **Replies:** 0\ **Last updated:** [May 3, 2017, 10:29pm UTC](https://forums.unrealengine.com/t/how-to-manually-keyframe-morphs/392632 "2017-05-03T22:29:05Z")
Okay. I’m having a horrible day trying to figure this out. Any help with it is sincerely appreciated. I’ve got a character that is skinned to a skeleton, and also has morphs applied to it. The morphs are body morphs tha… --- ## [How do I create a \*temporary\* UCurveFloat?](https://forums.unrealengine.com/t/how-do-i-create-a-temporary-ucurvefloat/381736)
**Author:** [@turfster](https://forums.unrealengine.com/u/turfster)\ **Replies:** 2\ **Last updated:** [January 14, 2017, 12:25am UTC](https://forums.unrealengine.com/t/how-do-i-create-a-temporary-ucurvefloat/381736 "2017-01-14T00:25:38Z")
So I’ve got a variety of curves that are stored as FRichCurves in my own UDataAsset that I want to show in an editor plugin. This requires creating temporary UCurveFloat\* objects with no physical counterparts in the con… --- ## [Animation - Cannot Rename Curve](https://forums.unrealengine.com/t/animation-cannot-rename-curve/328024)
**Author:** [@MSTF](https://forums.unrealengine.com/u/MSTF)\ **Replies:** 7\ **Last updated:** [October 6, 2016, 7:14pm UTC](https://forums.unrealengine.com/t/animation-cannot-rename-curve/328024 "2016-10-06T19:14:04Z")
You can create curve with same name in the animation editing but you cannot change curve name to an existing curve name. It’s just discarding new name. Actually you can create multiple curve with same name on diffrent … --- ## [(4.13.0) UMG auto-tangents wrong on keyframe insertion](https://forums.unrealengine.com/t/4-13-0-umg-auto-tangents-wrong-on-keyframe-insertion/369154)
**Author:** [@AJ\_Graphix](https://forums.unrealengine.com/u/AJ_Graphix)\ **Replies:** 7\ **Last updated:** [September 8, 2016, 2:56pm UTC](https://forums.unrealengine.com/t/4-13-0-umg-auto-tangents-wrong-on-keyframe-insertion/369154 "2016-09-08T14:56:13Z")
I’m assuming this is a bug in 4.13, but when you add keyframes to make a border widget fly in and out, extra “animation” occurs, even between 2 keyframes of the exact same value. This is due to the auto-tangents not inte… --- ## [Is there a time curve in Sequencer?](https://forums.unrealengine.com/t/is-there-a-time-curve-in-sequencer/365102)
**Author:** [@anonymous\_user\_89146694](https://forums.unrealengine.com/u/anonymous_user_89146694)\ **Replies:** 1\ **Last updated:** [July 26, 2016, 3:58am UTC](https://forums.unrealengine.com/t/is-there-a-time-curve-in-sequencer/365102 "2016-07-26T03:58:05Z")
Hi, would you know if there’s a curve for time manipulation in Sequencer? E.g. I’d like to speed up or slow down an animation - can I do it in SE? [Next page](https://forums.unrealengine.com/tag/curve-editor/285.md?match_all_tags=true&page=1&tags%5B%5D=curve-editor)