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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How can I export a video of a wind-blown object shot by a moving camera? (2) [duplicate]

How can I export a video of a wind-blown object shot by a moving camera? The objects I prepared is several papers looking objects. They are inside the square wire frame and constantly blown by a wind ...
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How can I export a video of a wind-blown object shot by a moving camera?

How can I export a video of a wind-blown object shot by a moving camera? The objects I prepared is several papers looking objects. They are inside the square wire frame and constantly blown by a wind ...
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2answers
132 views

how to make sure that the forcefield does not affect particle system

I'm working on a project which uses forcefield for soft body, but it is also effecting my particle system. how do i make sure it does not impact the particle system.
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Force field not affecting falling rigid body in motion

I am trying to use a force field to affect a falling rigid body mesh. The mesh is falling in a direct line on the Z axis and yet when it passes through the force field, it proceeds unaffected, no ...
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1answer
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Keyframe on force strength not working past frame 100 [duplicate]

I am making an animation and I need to explode an object so I did a cell fracture then gave the pieces a rigid body as active and it seems to work ok. I then added a force field force. I want the ...
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Make Wind Force Field Only Effect 1 Object's Emitted Particles [duplicate]

I want each wind force field to only effect the particles emitted by the closest 1 of the 2 planes. As the file is right now, each wind source effects both plane's emitted particles. I want the top ...
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641 views

How can I make string tighten around a soft object

I've used blender for a couple months, my knowledge is limited to basic modelling. I'm trying to get the effect of string being tied around a soft object. Like this string around my finger. Not sure ...
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What is physics field absorption with a collision object for particles?

I have read this information https://docs.blender.org/manual/en/2.90/physics/collision.html#bpy-types-collisionsettings Does anyone have a better explanation in a few paragraphs? The question arises ...
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How to properly set up multiple forcefields effecting eachother?

Dear Blender Community, I want to create an animation were magnetic objects interact. Therefore I set up a scene where objects are pulled to a central forcefield. Additionally I want every object in ...
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17 views

Best way to animate a moving canon(shot)?

Im animating a shipbattle and want to animate the canonshots inbetween. The project is unfortunatly above 150mb at this point. I have a canon model, seperated into a stand, the canonbarrel and a ...
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Affect curves with wind force field?

I have grass that Ive made individually from tapered curves here, and I want apply a gentle breeze to them. I dont see a way to apply force fields to curves though - you can make the curve itself emit ...
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35 views

Aligning Particles in a direction

I want to arrange ellipsoid-shaped particles shown in the picture filled inside a sphere. In the same way aligned from one pole to other (bipolar) How can we do this using particle system ? How to ...
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How to get fluid to behave like droplets on a hydrophobic surface

I am trying to create an animation of the scene shown in the picture below. I want all the little fluid droplets to be attracted to the big one in the middle and be absorbed by it. I have tried using ...
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How do I make rigid bodies use a curve guide force?

It seems some force types do not effect rigid bodies, does anyone know which forces can actually be used on rigid bodies? In this case I'm trying to get 'debris' to get 'sucked up' by, and carried ...
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How do you control how long a forcefield lasts(without increasing strength)?

I just want to make my turbulence forcefield last longer without increasing its strength.
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Rotation of objects using wind force

I'm using the wind force to blow some floating objects in the wind. I have the Affect -> Rotation checked, but the objects don't rotate. What am I missing?
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39 views

Floating rigid bodies not affected by wind (2.92)

I'm trying to make some floating rigid objects blow away in the wind. I have applied a rigid body to all of the objects separately, and have a wind force field pointed at them. When I hit play, the ...
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Particles: control conservation of momentum / inertia?

In Maya there's an attribute to reduce the inertia of particles, it's called Conserve. If Conserve is 1, the particles obey Newtonian mechanics. If Conserve is zero, none of the momentum from the ...
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Is it possible to change the axes/part that the vortex forcefield is attracting?

INITIAL SITUATION: So I have a flock of "Birds" that are generated through a Boid Particle System, at one point in my animation a vertex force field gets activated and the Particles get ...
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Could I make keep the animation position as the new position for an object?

I'm trying to simulate a cloth patch which is a rectangle to "stick" to something irregular like a forehead, so I thought of animating it by using a force field animation and it pushes it ...
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1answer
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How to move alot of objects by “Force Field” each one in a different speed

I have created a plane and above it i have applied "hair" using as particles any number-shaped objects. After i have converted each one particles in one object making them "Rigid Body&...
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push and pull particles

Still very new to Blender. Enjoying it a lot so far. But now I've hit a wall... I am trying to have a surface emit one particle per vertex. Then I instance an object across those particles. Now I ...
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31 views

How to limit the force field only on a specified area?

I want to apply a force only on particles in a specified area, so they go upwards in their path (see pictures). I tried to use a wind force field, but that seems to affect all particles no matter ...
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Smoke+Fire sim for thruster using wind

I'm having a problem with the smoke and fire sim, after a few seconds the thrust stream "explodes" and then only sparks appear. I used a plane as inflow and a cube as domain, all with ...
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how to tweak the wind affecting the cloth simulation (flag)?

I have a wind blowing onto my flag, looks fine at the beginning but quickly becomes very static so the cloth barely moves. How can I tweak it? I`d like to apply file but cant find where to upload. ...
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Choose what rigid-body is affected by a force field in Blender 2.9

I have a conundrum, I have a bunch of rigid-bodies that I would like to travel to different locations. On their voyage to their location I’d like them to be able to interact and collide with any other ...
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How to create Wind effect on circle logo

I am trying to animate a logo in the shape of a circle. The idea was to have it floating in the air and have some wind going through it. What I have done so far: I have used cloth simulation and the ...
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Wind gets weaker at the end of the animation?

all! I was working on trying to add wind to a wheat grass scene. However, no matter the force field, whether it be harmonic or turbulence, the wheat's bobbing movement always seems to be strong at the ...
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When using turbulance to create a grass animation, the effect of the turbulance eventually fades out

I used a turbulence force field to create a grass animation for 300 frames. At the start the turbulence is affecting the grass very much but about at 100 frames it starts to slow down and eventually ...
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How to make objects attract/stick to a single object

I'm kinda new to blender been using it for a little while now,but was wondering how I could make objects attract/stick to an object (one single object) i have that will be the center of a giant ball ...
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Can you split a group of particules between different forcefields?

I have a cube that emits particles surrounded by 4 cubes, each have a negative force fields (i.e. attractive). I want my population of particules to be equaly split between theses force fields to ...
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31 views

Blender snap forcefield to vertex?

Is it possible to snap a forcefield to a given vertex ? I want to assign different forcefields to different vertices of a cube so that if the cube moves, the forcefields move with it, but I don't know ...
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How can I correctly apply wind on grass (hair particles)?

I made a hair particle system of grass and wind and turbulence force fields. But the wind doesn't seem to affect the grass particles and the turbulence when translated, just resizes the grass rather ...
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About the force field of blender

When decelerating a particle using a force field "drag", what is the calculation of the degree of deceleration by the "linear" value? For example, if a force field with a linear ...
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Does a physics force have a potential effect even if the strength is set to [0.0]?

When using forces with particles I have turned the strength to [0.0] with the goal of completely disabling any effect. Sometimes I want keep the other settings for a potential future use. Is it known ...
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Simulating N-bodies gravitational interaction

I wanted to simulate attraction of massive bodies in space and added Force field of type "force" Unfortunately, all these bodies stay still on animation. (I turned gravitation off so that ...
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Force field … type [force], shape [curve]

Goal: Particles adhering to Path and Moving along Path ... some noticeable movement. Current Failure: Particles adhere to Curve but do not move on path of Curve. Particles travel to nearest point on ...
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how to have one force field influence on 2 collection?

I am trying to make a tornado. I want to make a force field influences two different collections of particles.I have separated different force fields by collections but now I want a specific force,to ...
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Can you set maximum particle force field strengths?

I want to have my particles interact with a gravitational field, but if any intersect directly with the force fields position in space, the distance becomes zero and thus the force becomes extreme and ...
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1answer
120 views

Fluid Simulation with Forces Blender 2.9. How do I get useful results?

This is about the built in Fluid Simulation with Blender 2.9 Yes I do see the effect of the gravity force and [force[shape curve]]. Will other forces work with Blender? Such as Harmonic? When I try ...
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141 views

How do I rotate an object in an anti gravity simulation?

I am creating a shot where: gravity is turned off multiple objects are "floating" in space a few objects collide with eachother each object has it's own forcefield in order to propel it ...
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How catch particles with ranged curve guide

I try to simulate aspiration of particles with curve guide force field. I don't know if the attraction force minimum distance works because for a simple exemple like below, i can't have attraction ...
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tensor flow / deformable grid

I am trying to make a grid that i can deform, by adding points that acts like a magnetic field. Is it possible to create a grid that i can manually/auto deform like this? I need it to be one ...
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Pack instances of object on surface of mesh

I'm trying to achieve something like this (https://www.instagram.com/p/B9E5hH-oKi8/) with blender. Is there any way I can achieve something similar? Maybe by using a force field and a particle system? ...
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197 views

How to bake a particle animation over 250 frames

I have been following this guide for making a particle animation: https://www.youtube.com/watch?v=2bv973aqx-w At the end, he says you just increase the end frame in the bar at the bottom up to 500 and ...
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Smoke Flow Force Field Absorption

I am currently trying to make a head mesh "disintegrate" from right to left following a smoke (mantaflow) simulation. My intention is to create an effect not unlike the thanos disintegration ...
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point gravity cloth shrink wrap

Guess you have an icosphere and want to shrinkwrap it onto a rather complex object like a deflating balloon, is there a way to set up the object like a point gravity source (force field) for the ...
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Morphing/contracting under physical force

I'm a biologist and I work on cell deformations under stress. I am new to Blender. As a part of my project, I want to animate/simulate cells deforming under contraction force. I want to morph/contract ...
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Decimate Text using Wind/Force

I have been using Blender for a while now. I have made a flag which reacts to Wind (based on a couple of videos I got on YouTube). I would like to know whether we ...
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fire and smoke kicks back in the final half of the animation when I add a wind force field

I am animating a rocket engine and I added a wind force field above the emitter, however when I bake and play the animation, the first half of the animation is fine, but when it gets to around the ...