Questions tagged [fcurves]

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14 views

How to Export this final product with Sound Animation to Unity?

Is there a way to export this animation into Unity, with all the material settings (especially the water droplets on the apple) AND movement intact from the "bake sound to f-curve" feature? Here was ...
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12 views

Can't see channels

I cant see anything and I'm not sure why these are all white. Has anyone had this problem before ?
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18 views

What is the formula used to generate random numbers in the f-curve “noise” modifier in the graph editor?

I'm using Blender to generate images of a hand in randomised poses for use in another program. I have done the randomisation using f-curves in the graph editor and the noise modifier in there. I need ...
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9 views

Deleting Bone causes faulty Channels in almost all Animations

I deleted an unnecessary bone in my armature, but Blender v2.79 does not delete automatically the associated Channels/F-Curves in the animations, causing the Animation to have faulty Data. How can I ...
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14 views

Moving noise curve modifier with keyframes

In my project, I made eleven noise curve modifier on different objects such as light. But now the problem is that I have to scale my entire scene to make my animation smaller. And the start-end of ...
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7 views

where is “Paste F-Modifiers” last action panel?

I would like to paste modifier to multiple f-curve from one which arleady have, And in another question I found I should check off "Only Active" at last action panel of Paste F-Modifiers. But I dont ...
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12 views

Is there a more efficient way to get F-Curves from tracking daa?

I have about 20 tracks of mocap data that I want to convert to F-Curves so that I can use the graph editor to calibrate and edit them when applied to bones in my rig. The only way I've found to do ...
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1answer
30 views

Keyframes won't appear in the Graph Editor window

I'm trying to make the light bulb, a sphere with an emission texture flicker, by using the Noise modifier using the F-Curve modifiers in the Graph Editor section. Now, I've split my layout into the 4 ...
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1answer
41 views

Effects of python script are not permanent

I created my first python script in blender, the purpose of which is to manipulate an animation. To be more precise, it loops over some F-curve and on some of its BEZIER segments, it changes the ...
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6 views

How to make Save own my Keyframe interpolation

Thank you first of all to be here to help me. I am working in blender since last year and currently i am in a project where i need to make the animations specifically add animation to a lots of ...
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5 views

How to copy a single f curve modifier from multiple f curve modifer

I have added f curve modifer for different frame ranges. Now i wan to copy but it copies all but I want to copy one of them. How to do it?
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1answer
95 views

Bake an fcurve with visual transforms

I want to duplicate an existing animation and bake it with visual transforms applied, something like what the default nla baker does. For simplicity's sake say I need to do this for a single bone. ...
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1answer
20 views

How to add a minimum value to f-curves

I want to make a plane change the scale to an audio signal. Now when I try using the bake sound to f-curve-function it obviously starts with the scale at the value 0. Is there a way to give it a ...
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8 views

f-curve with small frames distance: auto-joining off?

when I move (grab) a f-curve, two frames with a distance of 0.001 are joined to one frame. How to switch auto-joining off? Thanks Mike P.S. I try to move my ZigZag f-curve.
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2answers
20 views

How do I Auto-Keyrame ONLY changed values?

Even with the "Only Insert Needed" Checked, keyframes are inserted on values that do not change. By hitting "g" and "z" to move along Z axis, I only change that value, but keys are placed on the ...
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1answer
31 views

BAKE SOUND TO F CURVE option MISSING in blender 2.82?

My option under KEY in the dope sheet is missing the option to bake sound to f curves. Tried it on several scaling options on several objects but the option is totally missing. Is there a trick to ...
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1answer
46 views

Selecting a curve by its name with a Python script

Is it possible with a Python script to select the curve of an object with its name ("location x", "location y", "rotation z", ....) instead of its number. For example, I tweak the Z location of an ...
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15 views

How to adjust correctly a corrective shapekey?

I have a corrective shape key for the elbow, and an expression that uses the rotational difference to a helper bone setup as a reference, like the tutorial of rig tips 2 from auto rig pro: https://...
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1answer
37 views

F-curve modifier not working

Tried to apply noise F-curve modifier on the power of a light but it isn't showing up on graph editor. Not sure what the problem could be.
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16 views

What is the easiest way to get an object to move x amount of units every y amount of frames?

I've typically been doing the math manually (ie. needing something 6m every 9 frames so calculating the amount of frames I have then dividing by 9 and multiplying by 6). I'm terrible with drivers so I'...
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1answer
117 views

How to copy F-Curve Modifier(s) from one object to multiple objects in Blender 2.8x

I have an object that animates to float up and then starts slowly rocking in mid-air. I achieved this by using the Noise modifier for the different location/rotation values and it looks good, my ...
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1answer
124 views

F-curves: Generating transformation matrix

I have written an exporter for blender to use with my games, including hierarchical object data and animation curves. So far, I have only had a need to work with a subset of animation channels - ...
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18 views

Light point power keyframes not showing up in graph editor

Title is self explanatory. Trying to simulate flickering light via light power keyframes but there are no points in the graph editor even though i can see them in the dopesheet, timeline etc. For ...
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1answer
43 views

Is it possible to make the f-curve noise modifier's scale into a variable?

Normally the scale value in the noise modifier is a constant. It cannot be animated. Is it possible to make the scale value decrease over time. Something like the picture below: Any idea or ...
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1answer
21 views

Return active FCurve with python

i'm trying to write a little addon to help deal with FCurves modifier, and i would need to get the active modifier from active FCurves. So far i'm not able to return active FCurve in python, i don't ...
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1answer
51 views

How do I add an Fcurve Noise modifier with Python?

I am looking to add a Noise Modifier to a Node in the Compositor. I have added a keyframe to the Node but when I try and add the Noise Modifier, it's obviously not correct. I guess it's space_type ...
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1answer
18 views

f-curve modifier to an object that has an object contraint (track to)

I am working on a scene with a car chase and I am struggling with adding noise (rotation) to a camera that is tracked to an empty via object constraint. I have one camera that is static and tracked ...
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1answer
70 views

How can I create a snapshot of a curve in the Graph Editor (like Buffer Curve Snapshot feature in Maya)?

Maya has something called Buffer Curve Snapshot in its graph editor which allows to temporarily save a snapshot of a curve and then use it as reference when doing further changes to the curve. You can ...
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1answer
65 views

How to bake multiple sounds to f-curve to the same object

So im animating a characters mouth using shapekeys and baking them to an audio clip. I want to add three different audio clips to the same character's mouth using bake sound to f curve. But, when i ...
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1answer
21 views

How can I apply the same change to multiple channels in Graph Editor?

I'm a beginner and learning with a video course in Blender Cloud. I would like to apply the same modification to two channels such as the X Scale and Z Scale in one action in the Graph Editor. In the ...
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1answer
21 views

Rotate two points on f-curve by opposite amounts

If I have two points on a curve and I want to rotate the handles the same amount I can select both handles, choose pivot from individual centers and rotate them. However what if I want to rotate them ...
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2answers
312 views

Add F-Curve Modifier for multiple F-Curves at once?

I have a rigged and animated character with over 100 bones. Don't ask why, but I want to add the "Noise" F-Curve Modifier for the rotation and scale channels (F-Curves) of every single one of these ...
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0answers
77 views

Decimate f-curves using python

In blender 2.82 I want to decimate all the f-curves in active action, how can I override the context to make the script work with Animation Nodes Script Node? ...
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35 views

Proportional Keyframe editing

Hey guys I've been trying to get a script going for Proportional moving of keyframes to set values on a given frame (to help correct captured data). I've got an action in my scene I've started poking ...
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17 views

How do I turn keyframed animation curves back into bezier curves?

I've been handed some files where all the animation curves have been baked down into individual frames. Does anybody know of an easy way to turn these back into curves? And if not, why not? Seriously,...
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16 views

Can one define new interpolation types for F-curves?

I'd be happy if there were a way to define a new interpolation type (beyond constant, linear, and Bezier) for F-curves - let's call it ballistic and it is in fact "just" a special case of the Bezier ...
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196 views

Remove F-Curve Modifier from all selected keys in Graph Editor

I added an F-Curve Modifier (Shift Ctrl M) to all selected Curves to repeat the animation. Now I want to remove this F-Curve Modifier from all the selected Curves/Keys. Is it possible to remove the F-...
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32 views

Animation, I want to alter all the axis at once in the graph editor

Often times in animation, I want to tweak the handles of the curves of an animation in the graph editor to get the tweening effect I want.(I only move the handles on the x axis most of the time, ...
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130 views

How to set interpolation 'LINEAR' to keyframe on mapping node or similar node?

It is not clear to me how to access the fcurve of these keyframes, it is not very clear to me with regards to the nodes, I have found examples of objects. If anyone had any idea how to access it I ...
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9 views

F-curve and driver, why is the value of the curve is not on the graph?

I just move from 2.79C to 2.8. Trying to make switch for FKIK on the leg & feet. Using driver for it, but the value wont move on the cruve like it should. I cant seem to rotate the curve like I ...
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1answer
58 views

Restore Graph Editor F-Curve Filter Location

Moving to 2.8 I realized that the search bar for F-curve filter is now located inside an extra menu as shown below: This is very counter-productive as animating requires you to filter out many curves ...
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1answer
31 views

Any way to avoid fcurves in scripting animations?

I am trying to use blender to animate spheres I am controlling with a python script. I already have the position data I want for each sphere at each frame of the animation. I don't need keyframes with ...
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21 views

apply fcurve modifier type 'Cycles' to an entire scene

I want to apply fcurve modifier type 'Cycles' to an entire scene, with start frame 1 and end frame 249, so the entire animated scene loops. I want to do this with a script. How can I do this?
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20 views

How can I stop a cyclic animation? [duplicate]

I animated fish that are swimming in a tank with cyclic fin movement. Now I want the fish to die and their fin movement to stop, but I cant get the cyclic animation to stop without the cycle to ...
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91 views

Is it possible to export a Blender f-curve noise modifier to another program?

I have a Blender background that looks like a stone wall illuminated by a flickering candle. The light source was made to "flicker" by putting a single keyframe at the light source's Energy Value, at ...
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2answers
168 views

is it possible to cycle only some keyframes in the graph editor?

I am creating an animation with lots of cycles and it would be nice to use the cycles modifier in the graph editor but to only affect some keyframes and not the whole thing because I have different ...
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1answer
79 views

How could I have an object's Z axis align with the first derivative of is location F-Curve

I want an object to follow a path in space (specified via F-Curves, or by clamping to a Bezier curve), but I want the Z axis of this object to always be tangent to this trajectory (the same way that ...
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1answer
27 views

How can I find an specific F-Curve given an action name?

Given action name, a data path and an array index, how can I find the F-Curve associated to that action?
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0answers
100 views

Linking material emission value with light power for easy animation

I have a flickering lightbulb. It consists of a point light and a lightbulb mesh with an emission material for when it's on. I'm using a noise modifier to variate the lightbulb power, but I'd like to ...
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1answer
254 views

Making trails in a curve mesh created by the Animation Nodes add-on

I've asked the question before in here: Creating trails using Animation Nodes by delaying the frame of the following polygons . This was for making trails, but for objects only. I realized I want to ...