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Blender camera shaking issue in cycles only

so i'm currently working on a short personal project on blender 4.1 and i got issue with the camera, keep in mind that this issue is only happening in cycles and cycles only, So in my project i got a ...
PeeJayy's user avatar
0 votes
0 answers
17 views

Get USD file start frame number in Python?

USD file stage may have an arbitrary start frame. Is there a way to access that information from Python? There is a (bpy.context.active_object.modifiers[0]).cache_file object, but it seems not to ...
kivig's user avatar
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1 answer
34 views

Crashing with a cached simulation nodes setup

Just cached 1800 frames of a simulation nodes sim. It chugged through them fine (each .blob file is max about 30Mb) but as soon as it had finished the frame range, it crashed. Opening the file makes ...
Nickh129's user avatar
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0 answers
12 views

How to change indirect lighting cache to somewhere else

Is is possible that I can store indirect lighting cache somewhere else besides from my Ram? Blender takes up most of my ram when I use indirect lighting so is there a way to bring it to a folder to be ...
Bludus's user avatar
  • 66
0 votes
0 answers
15 views

baking and rendering with breaks in simulation, from lattice to cloth

I'm looking to animate/simulate/render physics that has gaps in simulation. I'll start with Lattice/Soft-Body that then affects a large mesh. But then looking a cloth sim its could get to be a ...
james_t's user avatar
  • 5,509
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0 answers
17 views

How can I export a file to FBX or gITF format with MeshSequenceCache animation from Marvelous Designer?

I created a cloth simulation animation using Marvelous designer, then I imported this file as Alembic format into Blender. Everything works great in Blender I can view the animation no problem. Now, I ...
Luke Chen's user avatar
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0 answers
8 views

how to separate driver settings on two physics caches

I need to cease a physics simulation for a series of frames, and possibly re-bake the simulation when I adjust the animation by scaling areas that will include certain timeline markers. As an example ...
james_t's user avatar
  • 5,509
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0 answers
12 views

how to use baked fire smoke fluid data in scripting

i am creating a fire and smoke simulation using the bpy scripting , to avoid the baking fluid again and again , i baked the fluid manually in another blend file with modular and openvdb , now i want ...
chirag's user avatar
  • 1
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0 answers
23 views

Slow scene strip playback in VSE

I animated a lot of scenes then added them into the VSE. They were laggy and overall slow. So I looked it up on the internet and someone told me about cache. I tried it and it were a bit faster, but ...
FnAf Blendur MAUn's user avatar
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0 answers
28 views

python script to access soft-body modifier ptcache (free, bake)

I have tried the following script to re-bake a soft-body modifier on a lattice object: ...
james_t's user avatar
  • 5,509
2 votes
0 answers
25 views

Do I need to make my own frame handling and caching logic or are there built in functions?

I've been working on a physics sim and I have basic timestep function and length constraints working. However, i've been using a workaround to force blender to update each step - i'm not using blender'...
ollie d's user avatar
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0 answers
364 views

Asset Browser Will Not Update As Expected

my asset library consists of a number of well organised blend files used exclusively for storing my assets for use in the Asset Browser. Within my asset browser I use a set of classification tress to ...
Atheneo's user avatar
  • 11
-1 votes
1 answer
79 views

can we please add a way to view modifier keyframes

I mess with a lot of alembic files and I animate the alembic cache sometimes. The problem is I can't see the keyframes. They don't show up in the graph editor, they don't show up in the dope sheet, ...
Jordan Hensiek's user avatar
0 votes
1 answer
232 views

Flip Fluid add on : Fluid sim freeze while rendering

I baked my fluid simulation, and rendered. But every 15~20 frames the sim froze. So I closed the Blender file, reload it again and render from the keyframe which was frozen. I think it's the directory(...
HHH's user avatar
  • 1
0 votes
1 answer
72 views

Particle System Baking Issue: Unexpected Hair Particles (or stretched lines)

I'm having issues with particles. I initially had only "emitter" particles (not hair particles), but somehow, when I bake, the hair particles (lines) appear and stay there even after baking. ...
J13's user avatar
  • 55
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0 answers
80 views

The baking speed of multiple cloths dropped dramatically

I use Blender 3.6 for my Blender files, and the duration of the camera animation is 15000 frames. At the same time, there are nearly 200 cloths in it, along with one wind force, so I need to bake all ...
Chinboy's user avatar
0 votes
1 answer
47 views

Blender fire simulation is jumping around randomly

Right now I'm trying to create a simple flame to create a flipbook texture to use in Unity. The only problem is that when I bake my simulation it seems to bounce all over the place. I'm not sure why ...
Mathieu Dubois's user avatar
5 votes
1 answer
343 views

Change Simulation Nodes bake directory

How can I manually specify the location where the Simulation Nodes data is baked?
TheJeran's user avatar
  • 2,631
0 votes
1 answer
66 views

Optimize Sim Cache

I have a big blend file that contains simulations and my pc can't handle rendering it and I can't upload it to a render farm cuz when I add external cache files it gets too big. Whenever Itry ...
Jo xXx's user avatar
  • 420
1 vote
1 answer
49 views

Flag Behaving Unexpectedly

I have a flag waving in my blender file. The other flag is working perfectly fine while this one is showing unexpected behavior. The cube is on 385.4 on x-axis. Also, I've already tried to add another ...
Talha Shabbir's user avatar
0 votes
0 answers
19 views

particle system is still rendered after deletion

so I made a particle emitter system only to delete it after, but this shot of the particle still rendered on the screen and when I render the image or the animation, I cant select them to delete them, ...
Mhdi Blhoms's user avatar
0 votes
1 answer
33 views

Creating another group for rigid bodies

I have no idea how to create another group for rigid bodies. My animation involves several meshes becoming rigid bodies at different points in time. I know there is a starting rigid body group named ...
Please help's user avatar
0 votes
0 answers
47 views

Is Blender's OpenVDB cache export volume channel only?

I've been exploring using Blender VDB sims and not continuing with Embergen. Right now the biggest problem I'm having is that I can't apparently export flames from Blender to the OpenVDB cache. ...
Xyshurondor's user avatar
0 votes
0 answers
49 views

rigid body bake - how to make a long rigid body animation?

So i made a little longer animation (> 1000 frames) with a bit more complicated rigid body physics (a vehicle driving around). All went well, but... after frame 500 it got really annoying that i ...
Chris's user avatar
  • 61.6k
0 votes
1 answer
64 views

World Space vertex coordinates and cache system

Blender 3.4 Windows 10 How do you get all world space coordinates of all the vertices of a mesh? I have created a simple cube, applied a subdivision surface modifier, and added wave animation using a ...
Prashant's user avatar
  • 133
0 votes
1 answer
101 views

How to limit fluid cache to used frames

I’m using a smoke simulation in my scene (animation), but I only need to use the simulation after it has reached a certain state. It takes around 2000 frames for the smoke to reach the point where it ...
John's user avatar
  • 207
0 votes
0 answers
27 views

Clone rigid body world across scenes?

I created a 2000 frame animation with a rigid body sim. In order to have different camera angles I created several linked scenes with different cameras and movements per scene. I re-ran my simulation ...
Black Fox's user avatar
  • 184
0 votes
0 answers
154 views

Get a mesh from a frame of a MeshSequenceCache in script

As the title says, I need help to understand how to access individual meshes from an object with a mesh sequence cache modifier that was created by importing an alembic animation. I want to access it ...
Gid Odir Watson's user avatar
1 vote
2 answers
320 views

Simulation Cache is too heavy for SheepIt Render Farm

I am using SheepIt to render my animation, but I have a problem with Simulation Cache. I know that you need to include the Bake Cache folder to render in SheepIt. But the Smoke Cache I simulated is ...
Iampoor's user avatar
  • 49
1 vote
0 answers
412 views

How to clear animations and delete rendered animation frames

A real noob question, but even with some googling and searching here, I could not find an answer. Working on my first animation project. I did a basic turntable animation of my character's base mesh ...
PSm's user avatar
  • 11
0 votes
1 answer
92 views

bpy - detect modified mesh data (vertices, edges, loops, or polygons) for caching

say I have some deterministic expensive function calc_foo, that operates on a bpy.objects.Mesh. How can I detect if a given bpy.objects.Mesh object is identical-to (...
ThorSummoner's user avatar
0 votes
1 answer
629 views

Importing cache files in blender

I'm working on a particle simulation and have cached all frames, then enabled "Disk cache" and found the folder with the cache files. However, when I then select "external cache" ...
Aci's user avatar
  • 97
0 votes
0 answers
702 views

Memory cache limit is not working

I have blender 3.3.1 on windows 11 and I can not manage the memory limits. I try "memory cache limit" and "disk cache" but it seems to not work as it goes to 100% of my RAM (64GO) ...
F_G's user avatar
  • 1
2 votes
0 answers
89 views

Possible to edit point cache data for cloth simulation using python?

Is it possible to manually edit the baked positions of points in a cloth simulation point cache using python? I found this: For most simulations the point cache can be stored either in memory (...
hilifit's user avatar
  • 312
0 votes
0 answers
325 views

Is it possible to merge two vdb caches into one?

I want to produce a fire animation in Blender that cycles, the first frame being the same as the last. I've tried following a youtube tutorial Looping Smoke-sims in Blender | Quick Tip on Simulations ...
twisted's user avatar
  • 191
1 vote
1 answer
186 views

Is it possible to repeatedly loop through cache data?

The animation I’m working on is illuminated by about 20 torches. Currently 1000 frames. I’d like to use a fire animation, via fluid physics, for the torches, in a efficient way, keeping cache sizes to ...
twisted's user avatar
  • 191
1 vote
1 answer
96 views

cache gets lost when duplicating a scene

I have a scene with a Cloth Simulation and I want to duplicate the scene (new scene/full copy). The problem is that the cache is not duplicated. My idea was to store the cache externally (disk cache) ...
user123511's user avatar
  • 1,259
0 votes
0 answers
382 views

Bake not saving

I'm still trying to light my monkey head on fire. I figured out how to bake the data but when I click off of the fluid tab in simulations it disappears. How do I get my settings to save? If someone ...
Neeewb's user avatar
  • 1
0 votes
1 answer
373 views

Fluid bake crash and cache missing

I have 2 problems when baking fluid sim. First I have the issue that when I bake fluid sim Blender just suddenly closes. No error msg or anything. It happens when the resolution comes up at 256 or ...
Michael's user avatar
0 votes
1 answer
2k views

How do I delete my rigid body cache in Blender 3.2.2?

I've been trying to make a realtime steerable car with drivers in Blender and it's starting to work but the only problem now is that Blender makes cache when I play the timeline and then when I reset ...
Ga1lus's user avatar
  • 1
3 votes
1 answer
593 views

Can I reuse / re-import fluid cache files into Blender?

While making multiple fluid simulations I had saved multiple cache folders with the "data" and "config" folders. Is there a way that I can reuse the cached data to import back the ...
Karoliina Pärnänen's user avatar
1 vote
0 answers
236 views

How to load cloth baked cache?

I am new to blender. Created a character, made cloth pants and shirt to the character, baked the simulation to the disk (a folder was created at the same folder with the project called ...
FacelessClown's user avatar
0 votes
0 answers
36 views

How get all cache_directory of baked files?

I need to get list of cache_directories for every object. Now i use that ...
Sofia's user avatar
  • 21
0 votes
0 answers
626 views

bake all cloth sims at once

Is there a way to bake all cloth sims in the scene at once, or do I need to select every cloth object seperately? This would save me some time.
leo's user avatar
  • 196
0 votes
0 answers
246 views

Making planes with image sequences run smoother

I'm working with both audio and video and I can't help but notice that when you add in a plane with an image sequence as a material the viewport fps' drop a lot. Now I do have several planes with ...
Throndronis's user avatar
  • 1,041
0 votes
0 answers
197 views

Why are my hair particles being pulled to the origin?

After baking and adding a material to the mesh, the hair stretches and gets pulled to the origin point. If I delete the bake and remove the particle system from view by hitting the little monitor ...
Martin Marino's user avatar
0 votes
0 answers
190 views

Two mesh sequence cache working together at the same time

I have imported in my project two different Alembic files with two mesh sequence cache that have to run at the same time. The problem is that when I run the animation the first one that I have ...
Vals's user avatar
  • 1
1 vote
0 answers
234 views

Can I export a hair simulation as alembic cache but already converted to geometry?

I am trying to deal with particle hair in blender lately and I was wondering how I could manage rendering out a hair simulation. I am not rendering on my local machine, I use external services like ...
Marten Zander's user avatar
0 votes
0 answers
85 views

Is it possible to output two sample levels from the same render?

I'm working on a sizable animation which may end up having around 512 samples to ideally handle hair follicles; maybe more. This is going to take time to do. Incidentally, I'm also on a soft deadline ...
Michael Macha's user avatar
2 votes
1 answer
219 views

How to reduce the file size after executing a cloth simulation?

I have a cloth simulation and animated/baked it. My file size is now 65 MB. I understand that. Now i want to delete my bake and cache so i tried to tap on "delete all bakes" and i hoped, if ...
Chris's user avatar
  • 61.6k