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 to simulate magnetism In Blender?
Is there a way to create magnetism in Blender? Using the physics engine or the game engine, I want to create BuckyBalls (the magnetic toys) within Blender.
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Apply force along normals of cloth mesh
I'm trying to simulate an inflatable mesh by applying a force field to a cloth. As air pressure always acts perpendicular to a surface it might be a close enough approximation when pushing all ...
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How do you make a cluster of cubes explode?
How can you make a bunch of objects explode? I don't mean fracture, I just mean shoot off in random directions. I want to know how to do this for a rigid body simulation. So how can this be ...
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Wind force field not working
I am trying to get a waving effect for a flag in my animation I am working on. However when I click alt a the cloth fabric just hangs there not being affected at all by the wind. I have wind power at ...
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Seamless looping animation
I'm trying to create an animate gif of a boat where there's no discontinuity between the end and the beginning. To do this, I need the sails and flags of the boat to return to approximately their ...
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wind / pressure inside a volume?
with blender's simulation system, is it possible to simulate s.th. like an airdancer, a party horn, or the blowing up of a balloon?
is there a way to create a force field that – when placed inside an ...
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"Time remap" or slow speed of cloth particles driven by a force
I have a scene with a particle system, which emits a few planes, to which is assign a cloth simulation. A wind point force emitter drives the particles in a swirl. Cool.
The overall action is ...
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Pulling a net tight
I am trying to drape a net using the cloth physics, but then is there a good way to make it look like the four corners are pulled and "staked" in a certain place? My first thought was some kind of ...
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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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Magnetic Spheres
I would like create a simple animation; Two spheres at a given distance each with a magnetic moment such that they are attractive. i.e. that when you simulate/animate, the spheres should come together,...
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Blender 2.8: Restrict influence of Force Field to its Collection
How do I restrict the influence of a Force Field to the Collection it's in?
I'm trying to simulate falling leaves in Blender 2.8.
I have a Collection with the Leafs_Emitter particle system and a ...
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What does seed control in force fields?
I've been working with and fooling around with the magnetic force field. I noticed the seed number slightly change depending on the size of the force, but I wasn't sure what it did or what it ...
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How can a force be applied not to the center of a rigid body object, but to one specific vertex of the object?
Scenario: a stationary bar-shaped (rigid body) mesh floating in space (i.e., neither gravity nor friction/drag), that gets a short-lived force vector applied to one of its corner vertices, where the ...
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Cycles smoke not responding to wind
I made some dense smoke in cycles with the Quick Smoke simulation. I want the smoke to be blown to the left of the scene as if it's coming out of a smokestack, so I added a wind force field. No effect....
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How to make a force field concentrate only on a specified area?
For example if I use 3 different object emitting particles, I only want 1 of them to get affected by the force field.
I tried adjusting the area to be concentrated, but the force field affects ...
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Force fields affecting selected rigid body objects
Let's say I have an Active wooden cube and an Active iron cube in the scene.
I also have another Passive cube with a Force force field at the same location.
The force field has a negative strength so ...
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How to enforce planetary gravity on fluids?
I'm trying to make a scene with a few small planets, but when I went to make a lake/river I couldn't find any options to have the fluid's gravity be relative to a point (aka the planet's center). I've ...
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Particles unaffected by force fields
I'm trying to create a water scene where paper lanterns rise from the background (similar to this scene from the movie Tangled.
I'm using a particle system to generate a bulk of lanterns to rise from ...
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What metric unit does the force field use?
What unit does the blender physics 'Force Field' use, e.g: The 'Strength' in 'Force' ? I'm using the metric(The answer doesn't have to include only metric) preset.
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How to create tentacles moving with the wind?
I have the feeling i'm on the wrong way to do this. Because its part of the mesh. So, maybe somebody know it. How can i add movement to the tentacles in the wind? Like Hair. Sadly the whole mesh move ...
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Are curve physics possible?
For example, I'm using a tree generator addon that creates trees in curve form. I have a strong wind forcefield in the scene as well for the grass. Is it possible to apply the curve to the physics?
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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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What are common causes for Blend files growing in size?
I have this blend file that seems to be growing.
The file size is now about 250MB. It contains this scene and the texture of the flag is 265kb and the texture of the sky is 640KB.
I have a wind ...
user13877
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How can a cloth simulated sail be prevented from flying away?
I added a cloth simulation to a canvas and want it to be moved by a wind force. The sail is blown away. How can this be prevented?
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Apply force to a specific point
I would like to apply force to a specific point on the mesh. Could someone let me know how I can do that using Python scripting? The "applyForce" function applies the force to the center of the object....
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What does the force field flow setting do?
What does the force field flow setting do? How is it typically used?
Please provide examples.
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Can I make a smoke emission only be affected by a specific force field?
I'd like to animate a scene where two different smoke emissions are in the same vicinity but are affected by different force fields. Can this be done?
Right now both emitters are in the same smoke ...
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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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How do you copy things like rigidbody constraints and force fields to other objects?
How do you copy things like rigidbody constraints and force fields to other objects?
I made a cell fracture and I would like to give each cell the same constraints and force fields.
Thanks in ...
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Can I make a force field that is defined with differential equations?
Can I make a force field in the xy plane that is defined with differential equations as:
x' = f_1(x,y) (speed in the x-direction is dependent on x,y coordinates)
y' = f_2(x,y) (speed in the y-...
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Affect explode modifier with force field
I'm trying to explode an object gradually with the explode modifier. I used the "quick explode" to get the initial setup. Then I turned particle physics off so that the the pieces stay in place. My ...
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How is the force necessary to counter gravity calculated in Blender?
Different values are required to balance forces in the physics tab with the force of gravity. For example, if the force of gravity is defined as -9.8, a force field setting of about 234 is required to ...
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Particle system - steers along path
I have few arrows to follow a particular path such a way that the arrows will always orient along (steer along) the path. Using 'curve guide', I was able to make the arrows flow along the path, but ...
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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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How to get wind to affect hair particles with group or object render
I am using a group to get more variation in grass stalks as per this tutorial. Unfortunately that tutorial was for a still image so did not cover wind or other force fields.
From various other ...
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How does the Turbulence Force Field work?
I am doing a series of experiments with smoke & fire. I found a blend file that uses the Turbulence force field in a fire simulation. During the simulation the force field is moved along the Z-...
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How can I make boids move along a path?
I'm making a flock of birds with boids. I want them to move along a path.
I tried curve guide, but they always move away from the curve. If I make the particles Newtonian, then they follow the ...
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Is it possible to create vector fields based on a math equation?
If creating a vector field based on an equation is not possible, how create an equation-free 3-D vector field in blender?
The arrows should have color based on the magnitude of force they exert on ...
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Mesh with cloth simulation and particle instance modifiers (used in a particle system) not responding to wind
I want to create a simulation of leaves blowing in the wind using blender v2.72, just like this tutorial (archive).
My problem is, I can't get the wind force field to act on the cloth simmed leaves ...
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Mesh with cloth simulation not responding to wind
I came across a model of a boat, and I tried to add some wind and cloth simulations to the sails and flags. The sails respond to the wind, but the flags do not, they just fall. In both cases I ...
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Is there a way to render particles as if they were a single liquid?
I don't want to use the fluid simulator beacuse i've been getting more controlled results with the particles system feature + using a guide as a force field.
What i'm trying to accomplish is water ...
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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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Wind force not affecting hair particles
I have made a field of wheat using hair particles and I added wind. My windmill is affected by the wind but the wheat is not! How can I fix this?
I am sharing my wind and particle system options. I ...
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Difference between the vortex and the wind force
In a recent answer, stacker stated that the vortex is better then the wind force for cloth simulations.
What is the difference between the vortex and the wind? How does each relate to cloth ...
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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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How can I make scene with multiple gravities going in opposite directions without using a force field?
I'm making a scene with multiple gravities affecting different objects that can interact with each other (those gravities are going in two different directions so I can't just cheat by changing an ...
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How do I keep particles still?
I have a particle system that just doesn't want to stay still. I turned off all physics for it (including gravity) and removed all force fields, but they still move. Here's a gif of how they move:
...
user8158
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Melt a complex mesh and then animate it using force fields
I am struggling while trying to perform a sequence which includes the following actions:
Melt a mesh with a viscocity like mercury or something similar.
Animate it with a force field, to achieve a ...
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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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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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