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Questions tagged [force-fields]

Force fields can be used to add effect to many of Blender's physics systems (Such as wind to blow particles and cloth, turbulence to smoke, etc.)

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Turbulence only works until certain frame

I'm making a windy meadow and the grass is strip hair. The wind force seems to work just fine, but the turbulence, despite having the exact same movement replicated through the whole timeline, only ...
Xentezzik's user avatar
1 vote
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Rigid Body Simulation rotation is not affected by forces

Rigid body simulation's rotation are not affected by forces. For example a skinny cylinder with wind blowing on it and animation the wind randomly will only move the cylinder and it will always be ...
Paul Fraser's user avatar
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18 views

Lock Axis on Force Fields

my goal is that the cursors follow the button and always point to the button with the index finger. The button should move with keyframes and be a rigid body just like the fingers so that it collides. ...
adrian.blender's user avatar
1 vote
1 answer
27 views

Force pulling specific objects together

I'm new to blender, sorry if it is's a trivial question: I have 3 cubes, A, B, C. I want to set a spring to pull together A and B, and a string that pulls together B and C. I tried to add rigid body ...
negedng's user avatar
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Keyed Particle System with Force Fields

I have one object that needs to explode into cubes and then form a second object. I saw that one way of doing that is by using keyed physics type, but it looks to boring and static. I need the ...
Caio's user avatar
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3 votes
1 answer
76 views

Jellyfish tentacle animation using cloth modifier and force fields

So I've been trying to get the first jellyfish's tentacles to move like the second jellyfish's tentacles. I've figured out that the tentacles need to move in a helix-like spinning motion (basically ...
Licoricethecat's user avatar
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48 views

Blender force field wind noise is lame?

Wind force field noise goes to 10. Noise is lame. Does little because equilibrium is quickly reached. My sample cloth banner should be in chaotic motion. Try animating the strength as handmade noise. ...
user2183336's user avatar
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24 views

Change color with pressure

Heyyy, I want to have an animation auf colored balls/bubbles like here in the Houdini tutorial: https://www.youtube.com/watch?v=grPVW0vK6PE Is there any similar solution in Blender? Maybe where the ...
w1pe0ut's user avatar
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1 answer
26 views

Unknown force applied to particles

Brief overview I'm currently working with a research project which is simulating particles (using Molecular+) within a hollow structure. Due to confidentiality, there are some aspects of the project ...
Iroh's user avatar
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1 vote
0 answers
40 views

Can we isolate an Object from a Force field?

For my character Hair, I have set wind (1 & 2) at different directions. I do not want my cloths to interact with this wind(1 & 2), but another wind(3) setup that would only affect cloth but ...
Akame0203's user avatar
4 votes
1 answer
223 views

How do I treat multiple particle emitters and multiple curve guides?

I often work on projects where fluid or gas is flowing through a pipe. I would like to use bubbles to show fluid in motion. Sometimes these pipes/tubes are very close to each other. Can you please ...
James Riley's user avatar
1 vote
0 answers
244 views

Hanging an object from a string with physics

I'm working on a project where I'm creating a Christmas ornament and it would be great if it could be as physically accurate as possible. It only has two elements, a disc with a small hole in the top, ...
Adam Palmer's user avatar
1 vote
1 answer
30 views

Rotate force around Z axis

I'm trying to create a hairline presentation of colliding force fields. I want an object rotating around Z axis to carry it's force field around. Is this possible? I see no standard method.
lexfriedman's user avatar
4 votes
1 answer
477 views

How to add a force pulling some vertices of a cloth?

I have a simple cloth simulation of a triangular sail set up, with the vertical edge marked as a pin group. Now I would like the vertex on the right of the triangle to not just be pinned, but to be ...
CasualBlenderer's user avatar
1 vote
0 answers
31 views

Animation of two groups of particles/spheres switching sides and colliding

I am currently trying to switch to Blender from some other 3D modeling/animating environments. Unfortunately, I found some troubles with force fields' animations and it makes me quite frustrated for ...
Michuo's user avatar
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1 answer
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Fire is unaffected by any force field

No matter what I do, no matter what render engine, no matter the strength and flow of the force field, I cannot get any fire/gas simulation to ever be moved by a force (specifically wind). I've ...
Leo Schunn's user avatar
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60 views

Wind-blown skirt {Marilyn Monroe style} - dealing with pleated/ribbed material?

I'm familiar with force fields/wind and creating rippling/wind blown "basic" cloth, and 0 knowledge in anything more than the basics. I'd like to take it a step further and recreate the ...
nekomancer's user avatar
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1 answer
86 views

Deform guide force field for particle system

I have a curve that has a forcefield applied to it to control the path of a particle system. Is it possible to deform a guide forcefield with a modifier and have the modifier effect the forcefield? ...
Pedro's user avatar
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32 views

Why does the turbulence effect cease after 60 frames?

I have particles that are affected by turbulence. The turbulence is apparent until around frame 60 or so, then they go back to moving as usual. Have tried playing around with things like adding a 16m ...
Anna's user avatar
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1 vote
1 answer
112 views

Why does the turbulence not affect the particle system?

I want to make a smoke trail behind a flying object by emitting particles and make a smoke simulation with it. I parented a turbulence to the emitter so that the particles don't fly out too straight. ...
Arceus's user avatar
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1 vote
1 answer
49 views

Wind force field blender [duplicate]

The wind force effect on my flags is not played farther than 250 frames can someone please help? thanks
jack's user avatar
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167 views

how to make a custom shape for force field

There are a bunch of options for the shape of a force field like point or plane but I want to apply the force field to a custom shape, let's say a cube. The reason is: I want hundreds of objects to ...
user123511's user avatar
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65 views

why some curves does not work properly

I am trying to make the particles follow a curve. I make a curve, add a force field to it, set it to a curve guide, and let it run This works great for most curves but for some reason not for others, ...
בלי ווינר's user avatar
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44 views

Expanding softbody not colliding with cage object

I was following this tutorial to create an expanding balloon in a 3D frame. However, with all the correct steps, the collision won't happen, even with the softbody solver step size set as 300. Can ...
dino70002's user avatar
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45 views

Smoke is not showing with particles Blender

I want to make a turnado. My problem is that I want to add smoke and have the smoke react to the vortex of the turnado, so that it rotates with the turnado. Smoke is not showing. I was able to add a ...
Taha Halabi's user avatar
1 vote
0 answers
50 views

Force Fields > Gravitation math buggy?

My objects disappear when activating the 'Gravitation' option (5:30 of this tutorial (https://www.youtube.com/watch?v=8bcqLZJcTSY). It looks like the equation 1/distance^2 maybe isn't working? Edit: ...
user3424554's user avatar
1 vote
1 answer
170 views

How To Freeze Frame On A Falling Leaf (Dynamics & Forces)?

I want to create a shot where a fallen leaf ends up in front of the camera, freezes there for a few seconds, and then resumes its fall. I'm trying to do this with physics and forces, but I can't get ...
Glen Candle's user avatar
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267 views

How to keyframe Force Field On/Off?

I want to make a rigid body simulation using a bunch of particles falling down on a plane then be lifted up using a Wind Force (after being grouped up using Vortex) I tried with the following : -...
Mehdi Belhous's user avatar
0 votes
1 answer
147 views

Fluid particles keep flowing back on curve Force field

My goal is to have fluid particles pour into a cup and disappear inside. I kept experimenting with multiple settings but the closest solution gave me the result shown below. The main issue is those ...
Mehdi Belhous's user avatar
0 votes
1 answer
688 views

Can you limit a force field to a specific particle system, while the particle system is still affected by other force fields?

I know there's an "Effector collection" setting in the particle system, but that only limits the force fields the SYSTEM is affected by, but it should still be affected by all. I on the ...
Aci's user avatar
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48 views

Can you identify the source of these rendering mistakes with a wind/cloth physics setup?

The image on the left is rendered viewport, and on the right is the render. I have a cloth modifier applied to flowers and leaves, and a wind forcefield in the scene. The simulation runs correctly in ...
Aubrey's user avatar
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1 vote
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138 views

How to make two charged objects in Blender interact?

I cannot seem to do it, no matter what settings I change. I'm trying to simulate a negatively charged particle and a positively charged particle being attracted to each other. Or to simulate coulomb's ...
Lambda's user avatar
  • 51
2 votes
1 answer
177 views

Smooth decay of smoke simulation

I am trying to make a dust simulation. The kind of dust that appears when you knock out the dust from the carpet. I use geometry as flow behavior. cylinder as effector and wind. But my "dust&...
arachnoden's user avatar
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2 votes
0 answers
91 views

Making a shaking leaf ball character

Currently I am making a character which is a leaf ball. Everything looks great until I try to rotate it with armature. I use hair particles to create leaves and cover it on a sphere. When the sphere ...
SecretKitchen's user avatar
0 votes
1 answer
105 views

Rocket Launch Simulation with Mantaflow looks weird

I want to recreate a Rocket Launch and have the problem, that the smoke behaviour looks very different from Real Rocket Launches. I put a Mantaflow Fire/Smoke emitter and Force Field in every engine. ...
VICUBE Animation's user avatar
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0 answers
288 views

Making Wind Tunnel

i just need a wind effector, which is limited in the width. It has a setting for min and max Distance, but i want to control the width so that i have a specific wind tunnel. Is that somehow possible? ...
VICUBE Animation's user avatar
0 votes
1 answer
91 views

exploding an object after moving around

I'm using cell fracture effect on a cube and I want to move the object around and make it explode at a point in time using a force. but I can't move the fractured objects parent to a empty (fractured ...
Harshan Alweera's user avatar
2 votes
1 answer
310 views

How can I make this rope swing with wind animation holding the tire and being tied to the branch?

So what i'm trying to do is make a animation where the rope holds the tire at the end and keeps the hold on the three, but the swinging animation will happen when a gust of wind hits the rope/tire. ...
Alyson França's user avatar
4 votes
1 answer
148 views

How can i slow down and make a colision with this Particle System (smoke)?

so im working on a personal project and im trying to do a chimney that emmits smoke. I manage to get the particle system right but the animation of the particles going up is way too fast. The other ...
Alyson França's user avatar
0 votes
1 answer
368 views

Force field set up for gravity simulation

I am trying to create a very simple example where I set a force field on an empty to simulate Earth's gravity. The scenario consist on: a cube, with rigid body enabled (active), set at an altitude of ...
Pelayo Peñarroya's user avatar
1 vote
1 answer
577 views

The "wind" force field and the "turbulence" force field do not work on the particle system. why? [closed]

The object has grass on it, and I want to make it flow, but when I add a wind force field it does not show any effect, or I want to make realistic grass that flows like real grass, but nothing was ...
Rudra Kalsariya's user avatar
0 votes
0 answers
211 views

How to animate particles flow with distortion on the surface of the object?

My first post here. I have problem to solve - generate particle animation like in this photo (using Animation Nodes): but on the surface of this 3d car shell: Does anyone know how to achieve such ...
Marquis Mannix's user avatar
0 votes
0 answers
311 views

Using force field to rotate objects/particles?

I am trying to use some force field to affect rotation of a rigid body object or at least particles and fail miserably. Rotation checked, Location unchecked in field settings, tried cranking up ...
Alex Bryer's user avatar
1 vote
1 answer
450 views

Make particles stick to emitter, then separate

I would like to animate the removal of dust from an object. Is it possible to make "dust" particles stick to the emitter object untill a certain time, then seperate them from the emitter all ...
diogenes's user avatar
1 vote
1 answer
945 views

Gscatter addon: is there a way to simulate wind?

I am using gscatter for grass weeds and other plants. With grasswald there was an option to animate wind. I cannot find anything like that with gscatter. Or is there a way to simulate the gscatter ...
user123511's user avatar
  • 1,259
3 votes
0 answers
261 views

Can this Houdini curl noise flow effect be done in Blender?

Can we make the particles flow across the surface of a sphere like this? Maybe using forces? I tried using a negative force field to attract the particles to the surface and tried using the vertex ...
Jamir Alam's user avatar
3 votes
1 answer
216 views

Hair particles with a force field stops at frame 100

I have a simple hair particle system with a wind force field applied. As can be seen in this screen recording, the force field stops after frame 100: https://youtu.be/fwV7PhLLGm8 This is the file for ...
aitor's user avatar
  • 439
1 vote
0 answers
375 views

Apply force/impulse to objects

I am trying to apply a force to certain objects via a self-made script. Though I cannot find any option to do so in Blender. I could only find something equivalent in Blenders Game Engine: ...
BR14Nx's user avatar
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4 votes
2 answers
649 views

How do you reverse physics simulations? [duplicate]

I have a bunch of rigid-body objects that get moved by a force field. I want to reverse the physics simulation so that it plays backwards while other animations, like the camera movement and animated ...
GGG's user avatar
  • 51
1 vote
0 answers
737 views

How to control the rotation of particles following a curve guide

I want to achieve a line of ants walking on a curved surface. I decided to use a particles system set to emitter, with a curve guide to force them along a path. I set the initial rotation of the ...
Lucho's user avatar
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