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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Wind force field blender [duplicate]
The wind force effect on my flags is not played farther than 250 frames
can someone please help? thanks
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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 ...
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Can particle velocity be set to zero?
If yes, how would does the Blender User do this?
Prior to this action forces would have been applied in the normal fashion.
Later the same particles can have more forces applied.
A force of type ...
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Force Surface with falloff cone. What is the general face specification?
Case 0. Image above. Here is a use case that appears to function. A single small plane [settings shape] [surface] and has a force with [falloff] [...
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Are there any known existing tested tools which display particles density statistics?
If yes, what is a link to further information?
This relates to physics panels and forces in Blender. This is about moving Blender particles from point A to point B for visual purposes.
Or does this ...
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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, ...
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Shrinking sail in blender while animating a boat
I have a problem with sail in blender (version 3.3.1).
The sail is animated with cloth modifier physics (default settings), there is wind added behind a boat. The sail have assigned vertex group to ...
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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 ...
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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 ...
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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: ...
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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 ...
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Why Won't Rigid Body Spin In Vortex?
I'm at a loss here. My Vortex force will only affect the translation of this object, but not the spin. What am I missing?
PROJECT FILE
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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 :
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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 ...
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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 ...
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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 ...
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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 ...
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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&...
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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 ...
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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. ...
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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?
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How can I prevent this rapid hair movement?
https://imgur.com/a/IZIZWpe
I have followed this tutorial on how to create a stylized phoenix using hair particles. My force fields are set up very similary to the video. I am using this phoenix in an ...
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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 ...
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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. ...
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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 ...
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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 ...
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Object with a hair particle system on it loses the particles when refrenced in an emitter particle system
I have some candy gummies I made that have a hair particle system for the sugar on it. They are in a collection that I put into a particle emitter.
When I create a particle emitter, and use the ...
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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 ...
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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 ...
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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 ...
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Particle Emitters moving with Turbulence field with Eevee, but not with Cycles
Using Blender 3.1 on Ubuntu 20.04.
I have a scene that has drifting dust in a light beam using volume. I use a turbulence field to move the particles. I do bake the dynamics of the particles. ...
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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 ...
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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 ...
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applyImpulse(point,impulse,true). How to find value of force in Newtons or any other metric units when using this function?
In the applyImpulse() function we can give the impulse value as a real number in corresponding direction. How do I find the value of force applied on the object ...
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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 ...
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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 ...
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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: ...
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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 ...
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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 ...
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How to make a realistic magnetic effect with force and rigid body
I made a force field with -100000 strength and a small cube with rigid body for magnetic effect.
The cube passes the center of force field and rotates the center.
I want the cube to move to the ...
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How to make "Turbulence" work properly on particle system?
I'm trying to make an animated grass field.
I have set the particle system and I want to simulate some wind in the scene, but when I move the Turbulence the particles just start spinning around theyr ...
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Changing shape/size of force fields
I rather try to explain what I want to achieve.
The cubes (later smaller objects) on the conveyor belt are supposed to be affected by the nozzles at the end and be separated depending on their weight ...
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How to make Juddery Simulation of Falling Leaves smooth?
I am using a particle system and a force field to simulate falling leaves. The leaves are falling from the sky and are supposed to stay on the ground. I encounter two problems here:
The falling ...
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Deactivate collision between certain Rigidbody objects?
I have a model consisting of many seperate objects that are all overlapping with each other and I want to use Force Fields to "destroy" the model. How can I stop collisions between the ...
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Assign Field on a Particle System Slot
I wanted to know if there was a way to assign a Field to a Particle System Slot,
I have 3 different Fields and I would like some to act individually on 3 different Particle Slots on the same emitter
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Are there any individual settings that should be checked after shrinking the model with the S key?
After scaling the models down to a tenth of the size I was working before, the animation preview would not play. (I down the size by S key.)
When I tried to play it back, it would freeze at frame 1, ...
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Is it possible to make so the wind starts from some particular plane and doesn't affect anything behind that plane?
I have a single image of a coat that I am trying to animate. Wind and cloth effects are what I need but the problem is I want to set 4 different sources of wind for different directions and make it so ...
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How can I give wind and turbulence effects only to the inside of the cube object?
There is the cube-A, which is covered with a cloth, and another cube-B is placed on the top of it.
I want the paper object to fly by wind and turbulence only inside cube-B without any effect on the ...
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Force Field in blender 3.0
I would like to add a Force field.
In blender 2.93 I could do it just like that:
...
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Simulating blocks jumping out of a box with Rigid Bodies
I need to recreate small blocks jumping out of a box and falling onto the ground.
I have at least 30 blocks. Therefore, I thought of avoiding manual keyframing and using Rigid Body sims.
The first ...
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