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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Forces from Force-Field Settings inside of Particle System do not work past Frame 100 [closed]

I am having trouble with force-fields (in the particle system itself) in that the function entirely as expected until frame 100, where they stop all force entirely and the particles go Limp. I have a ...
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Magnetic Effect [duplicate]

Hello People I am wondering if it is possible to create this effect in blender where the objects have like a magnetic effect on each other and the appearance of further objects effects the whole ...
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How can I prevent colliding Cloth Objects from wrinkling each other?

I am trying to create a model of paper being blown by wind using a model with a Cloth Modifier and a Force Field of wind. However, when I play them in animation, the Cloth objects that collide with ...
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The problem of simple cloth objects penetrating each other

There are multiple cloth objects which are raised by two different force fields. Both cloth objects are physics-based, and the object collision of those cloth is 0.02m. I have a problem with them ...
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43 views

Getting rigidbodies to react to force-fields

I am new to Blender, and am trying to make a physics sandbox. My approach is to use rigidbodies that are attracted by force fields to form materials and structures. My original approach to achieving ...
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Can I make custom force field that only rotates particles around an object?

Hi I want to make particles only rotate around an object. And I also want them to follow a simple equation $$ F \propto {1 \over r^2} $$ where $r$ is the distance of each particle from the object. Is ...
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how to make particles not to be effected by any kind of force field

I need a way to make a specified mesh or particles of a mesh not to be effected by any kind of force fields. But i need the particles to be effected by velocity at the same time any kind of help would ...
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1answer
65 views

How can I recreate this emitting/rigid body/force field animation?

I was wondering is it possible to make this kind of animation with this effect? As I understand, its the particle system emitter + force field and rigid body? but whenever I give the mesh a rigid ...
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1answer
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Hair particle orientation flips when responding to wind

I am trying to set up a scene with grass modelled as a hair particle system which responds to a wind field. The grass moves in the wind just fine, but as the strength of the wind changes from positive ...
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1answer
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Need to achieve specific particles behavior that will embrace the object

I am trying to force hair particles to clump in groups, then embrace the object from different sides, and when the object ends the tips should become curly (or turbulent). I tried a lot of force ...
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1answer
22 views

Cloth simulator not reacting properly

Tried using cloth sim to make a flag, seen on tutorials that right after applying cloth sim, pinning vertices and hit play, the flag should fall down because there's no wind blowing into it. But for ...
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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
175 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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1answer
94 views

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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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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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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33 views

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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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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22 views

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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1answer
55 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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1answer
25 views

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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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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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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70 views

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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95 views

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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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 ...