A message from our CEO about the future of Stack Overflow and Stack Exchange. Read now.

Questions tagged [fcurves]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
3
votes
1answer
891 views

What's the range of values on a sound-baked f-curve?

I'm doing a lot of sound baking at the moment, but it's kind of hard to work with since I don't know what kind of values to expect out of the f-curve. Common sense would say that it would range from ...
3
votes
4answers
2k views

Possible to use object speed/acceleration as driver variable?

If I have an animated moving object, is it possible to get its speed and/or acceleration vector into a driver variable? Some ideas I've thought of and haven't worked out: Obviously differentiating ...
2
votes
1answer
894 views

Combine F-Curve Modifiers with baked Sound

I have a Particle System on a grid with an X Velocity of 200 and a Tangent of 60. The Tangent has a keyframe with a sound baked ...
1
vote
0answers
238 views

Finding a specific fcurve!

I am trying to develop an addon that involves placing a keyframe on a specific fcurve (like for example the X Location) and then making changes to the coordinates of the handles of that keyframe (as ...
0
votes
2answers
168 views

FCurve handles to 3D Bézier spline control points

I'm trying to export Bézier curve animations from Blender, but i can't seem to figure out how the control points of FCurves should be interpreted. A Bézier keyframe for a 3D position typically has ...
2
votes
1answer
768 views

How to get xyz coordinates from f-curve

We are doing research on monitor human activities to avoid adverse events. In part of it, we did an experiment in our MoCap lap to detect the human motion to monitor his activities. We have f-curves ...
3
votes
2answers
613 views

Interpolation of animation cycle extremes

I'm working on a cyclic animation. I applied the F-Curve modifier Make Cyclic for better seeing what I'm doing. In the image you can see the f-curve for an specific bone. My question is, is there a ...
10
votes
3answers
1k views

What is the mathematical basis for F-Curves?

The Blender user's manual says: Although F-curves are very similar to Bézier Curves, there are some important differences. One of these differences is the fact that an F-curve doesn't allow a ...
3
votes
2answers
648 views

How do I subdivide F-Curves?

My apologies if this question doesn't make sense, I'm brand new to animation. I've been fiddling around with the F-Curves and would like to subdivide two F-Curves to have another keyframe between two ...
1
vote
1answer
688 views

How to bake multiple audio sounds to f curve?

I want to add three different audio clips to same character's mouth using bake sound to f curve. But I am able to add only one sound clip. when i try to add second clip, it replaces the first one. ...
3
votes
1answer
711 views

Delete specific fcurve in python

Hello all blenderheads ! i'm trying to write a simple tool to split a frame in piece with the great animated render border addon ! so far so good, all's working but i need a way to delete the created ...
2
votes
1answer
296 views

Best sound baking settings

I'm building an audio visualizer in Animation Nodes. It's working well, but there's always just a strong peak, rather than well distributed activity across the board. I've been trying various ...
1
vote
1answer
374 views

sound_bake in command line script

I'm making an audio visualizer which I want to render from the command line. Unfortunately the bpy.ops.graph.sound_bake() function seems only to work from the GUI. ...
1
vote
1answer
63 views

Load animations into custom engine

for learning purpose of 3d animation, I picked blender to study. So far I've exported .blend to .lua file that contains mesh data, bones, and animation data. My animation data is fcurve arrays based ...
1
vote
1answer
166 views

Access only filtered/visible F-curves through python in graph editor

I'm looking for a way to be sure a script affect only f-curves that are showing up to the user in the graph editor (post filtering) for WYSIWYG style control. In details: Currently I'm getting the ...
1
vote
1answer
397 views

How to set the easing of keyframe with Python (fast, slow, etc.)

I need to create a keyframe for scale object "target" at time "time" with slope "fast" My code right now looks like that: ...
1
vote
2answers
6k views

Graph Editor does not show any keyframes [duplicate]

I already made and rigged a character. When I make keyframes in the dopesheet to time my animation, the graph editor does not show any of my keyframes, for any of my animated parts. Even when I go to ...
1
vote
1answer
224 views

Multiplying with positive and negative noise modifier

I have a baked f-curve, and I also have a script to unbake it. I want to multiply this f-curve with positive and negative noise, however, the noise modifier only uses positive and negative if I use ...
0
votes
0answers
457 views

Modifying FCurve values on armature bones via python

I have this script, which does what i need with object actions. ...