Questions tagged [soft-body]

Questions about soft body physics in Blender's soft body physics engine and Blender's game engine.

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32
votes
3answers
5k views

How do I prevent soft body balloons from crumpling when they hit walls?

In the last homework project for my Blender class, I had to make a balloon bounce across a ceiling as a soft body driven by wind. I fiddled with the constraints but it always crumpled on impact with ...
26
votes
1answer
13k views

How to simulate a rope?

I'm trying to simulate a rope (that later might get pulled on the ends*) that interacts with some obstacles. So far I created a plane as the floor and a cube as an obstacle, and activated "collision" ...
19
votes
1answer
6k views

How to smooth camera animation to have fluid feel?

When dealing with camera motion, its very sensitive to any movement discontinuities. Is there a way to easily achieve natural looking motion when dealing with complicated motion paths and timings? ...
17
votes
3answers
2k views

Piping cream through a piping tip

I would like to simulate piping of a cream through a piping tip. I modeled the piping tip as you can see. I added a soft body to the cylinder, and then I set the piping to collision. But for some ...
16
votes
2answers
7k views

What is the technical difference between softbody and cloth simulation?

They are definitely different, but soft body simulation is very slow compared to cloth.. why?
12
votes
3answers
6k views

Soft body to Soft body collision

Is it possible to have two (or more) Soft body objects collide in Blender? I have tried enabling self-collision, but distinct objects don't seem to interact with each other at all.
12
votes
1answer
7k views

Rig a rope spanning two objects

I am trying to rig a rope so that it spans between two objects. Technically it is a fuel line, regardless I am trying to get it to work with the soft-body physics, primarily because A, it will be ...
10
votes
2answers
1k views

How to best animate a licking tongue?

I'm trying to animate a tongue that is licking an object. First I thought the tongue could be a soft body colliding with the object that it is licking, however, with that many parameters and options, ...
10
votes
1answer
2k views

Why does my soft-body fly around?

My blend file I'm playing around with the Softbody engine in Blender to create something like this: ...but I've had no luck yet. Whenever I try to simulate, I get very strange results like this or ...
9
votes
1answer
920 views

Creating a Soft Body Surface that Responds to Different Masses of a Rigid Body Object

Dear Blender Community, There's quite a few posts discussing the interaction of rigid body objects with cloth and soft body objects, but I haven't yet found one that provides a satisfactory answer to ...
8
votes
1answer
230 views

How do you avoid dependency cycle between two soft bodies?

How do you setup two softbodies with collisions without getting a dependency cycle ? A depends on B through Softbody Collision B depends on A through Softbody Collision Those two objects interact ...
7
votes
2answers
6k views

How to bake softbody animation into keyframes?

I am trying to bake a softbody animation into keyframes but I can't, does anyone knows how to do it? Thanks!
7
votes
1answer
2k views

make soft bodies stay inside another soft body

I have a cube, with a transparent surface, and make it a soft body and drop it. It's transparent because in it are some red balls. How do I set it up so that the red balls inside the cube bounce ...
7
votes
1answer
2k views

How to animate the twisting of a rope?

What is a good reliable method to animate multiple ropes being twisted together? One end of the ropes will be fixed in space, while the other ends rotate in a circle, creating twist. All the ropes ...
7
votes
1answer
2k views

Animation of falling paper in cycles

I want to animate the falling sheet, i.e. swinging oneself and falling with zigzag. Is there some modifier which would let me get the more realistic effect than normal appointing the motion path ...
7
votes
2answers
600 views

Is it possible to simulate tape measure bending with Soft Body physics?

Metal tape measures behave in a very interesting way. When they are held out horizontally, for some length, they bend, but when they bend, both segments around the bend stay absolutely strait and the ...
7
votes
1answer
171 views

Why is soft body modifier always on top of modifier stack?

It doesn't matter when I add soft body modifier, it is always the first modifier, and can't be moved down. Why is this?
6
votes
1answer
2k views

How to get the physics engine to wraps a string around the moving part of a motor constraint?

I'm trying to simulate the physics of a string that wraps around a motor spool when the motor turns. The body of the motor and the shaft+spool defines a motor constraint, so a velocity can be applied ...
6
votes
2answers
3k views

How to move / animate a soft body?

I want to animate a softbody in a way that it moves along a NURBS curve path. The Problem, which occurred as I gave it a try is that the simulation doesn't take into account the moving along the NURBS ...
6
votes
1answer
878 views

Balloon Simulation - String is floating like balloon

I'm trying to simulate balloons gathering under a tent. I've finally figured out the stiffness and gravity of the balloon using a combo of soft body and rigid body modifiers, but the string is now the ...
6
votes
1answer
1k views

Soft Body hooking stretches instead of moving

I'm trying to animate a soft body in Blender by using hooking, but it doesn't work right. The following is what I do: I create a mesh - in this case it is an elongated object, like a thread/yarn - ...
5
votes
1answer
7k views

Soft body and collision don't work

I am beginner in Blender. When I try to make a bouncing ball (UV sphere marked as "soft body") on the Plane (mark as collision), sometimes the ball falls through the plane. Or when it works ...
5
votes
1answer
1k views

Scaling a Soft Body object

I've seen abstract animations around the internet, in which bubbles grow in size within a closed area and get squished against each other and the walls in a realistic way. At 11 and 15 seconds there ...
5
votes
2answers
380 views

How to make a realistic droplet drop on leaf?

I would like to have this to be so that the leaf is really getting the weight of the droplet and bending because of the weight of the droplet. And that the droplet really drags on the leaf before ...
5
votes
1answer
2k views

Long hair collapses with soft body physics in animation

I need to animate a long poly hair and would like it behave a little more like nature, so when I move the head it "follows it's path." I used a Lattice Modifier with Soft Body Physics to simulate the ...
5
votes
1answer
2k views

Is it possible to animate a soft body object?

What I'm trying to do is create a few bouncing jello cubes. I can make a jello cube. And I can scale it to make it bounce. I can't do both. Scaling it requires Soft Body Goal to be enabled, but ...
4
votes
2answers
2k views

How to make a curve path from scratch given a list of (x, y, z) points?

I want to move a soft body object in my scene on a path (curve path). For the path, I want to make it myself from scratch. I basically have a Python List containing (x, y, z) points and want to create ...
4
votes
1answer
7k views

Is there a way to make rigid body interact with softbody physics?

I'm trying to have a surface with soft body hold obects that are falling on it with rigid body physics, but for some reason, no what matter what mass I give it, the objects just fall trough the ...
4
votes
1answer
3k views

How to create a cable/wire for animation?

So I've created a "noodle" with a path and a bezier Circle that has soft body so that when I click play it will drop and flop about. What I'm trying to do is have one of the cubes stationary while ...
4
votes
1answer
2k views

Soft bodies bouncing with collision

I am trying to get soft body objects to interact with each other as if they were real world, rubbery objects. An example of the type of material I am trying to create can be seen in David McLeod's ...
4
votes
2answers
1k views

“Copy from active” doesn't work as expected

I am trying to apply Physics effects to cubes I have created by using the "copy from Active" command. So this cube has Collision, Soft Body and Rigid Body settings: I selected my target objects (all ...
4
votes
1answer
5k views

How to have consistent soft body physics in a specific area of an object using vertex groups?

I'm trying to add soft body physics to a small vertex group within a larger object, thus applying the soft body behavior to that small area of the object. My end result will hopefully be an ...
4
votes
2answers
1k views

How to apply soft-body curves (noodle simulation) as solid object?

I created some noodles in blender to satisfy my 3d appetite, but I don't know how to convert them into a solid object. Softbody and collisions are just right, and I've found the right part of the ...
4
votes
0answers
457 views

Braid not colliding with clothing (Curve Problem?)

UPDATE: I noticed during the animation the curve the armature is following stretches out and although is still attached to its origin point keeps falling. Is there a way to keep the curve from ...
3
votes
1answer
619 views

How can I achieve a crumpling effect?

I want to make an object - a fork in a vertical position - fall and hit a flat surface, and when it hits the surface I want it to fold in on itself as if it was made of a very very soft metal...but ...
3
votes
2answers
840 views

How to make a somewhat stiff pneumatic tube?

I tried using softbody physics on a path, but, the path then behaves like a string rather than a stiff tube. I want the pneumatic tube to behave something like the tubes in this: https://www.youtube....
3
votes
1answer
5k views

soft body pinning

Is it somehow possible to pin vertices in soft body simulation as it is possible to do it in cloth simulation? I have an object that I applied soft body simulation to, however, the settings cause it ...
3
votes
1answer
421 views

Soft body friction

I want to create in blender a scene like this one, attached here. I have a past in cinema 4d, there was very easy to create this. I tried in blender in this way: I create a soft body sphere and a ...
3
votes
1answer
1k views

Soft Body - Preserve Volume when deformed

I'm not seeing a way to preserve volume when deforming a soft-body object. All I can find is the constraint modifier by the same name, but that is not relevant. Surely this feature is supported? It ...
3
votes
1answer
411 views

Animation Nodes - Blend distribution of objects on a curve into another curve

I've been trying to recreate the effect from the Cinema 4D tutorial below: https://www.youtube.com/watch?v=BPv2HVvQfGo I'm stuck at 9:55 where he uses the inheritance effector to be able to morph ...
3
votes
2answers
1k views

How to fix this physics problem?

Hello everyone, How to fix this physics problem, the objects pass trough to wall. I increased the Steps per second and Solver iterations in scene settings > Rigid body world. Also, I set the shape to ...
3
votes
2answers
1k views

Why is the Blender soft body physics permanent deformation not working?

At the moment I'm working on an auto crash scene. I've set up a good rigid body sim and perented a low poly car to it so that I can run a soft body sim on it and then use it to deform the high poly ...
3
votes
1answer
2k views

Create a stretchy line between two objects?

So I want to create this stretchy rope effect as seen in this video. I want to use either soft body or cloth physics, so I can bounce objects off of them. And I also want it to be connected to two ...
3
votes
3answers
2k views

How do you stretch and then release a soft body or cloth so it springs back like elastic?

I have a soft body mesh and an armature. I have one bone holding one end of the Soft body and another bone used to stretch the soft body. I then want one of the bones to let go of the soft body so it ...
3
votes
2answers
4k views

Soft Body object going through object with Collision?

I have these balls with Soft Body on, when the cylinders are still, they interact with them without issue and bounce off of them. But I animated the cylinders to move side to side (sort of like an ...
3
votes
1answer
409 views

Export BGE Soft-body Distortions to 3D view?

Is it possible to get BGE soft-body simulations into the normal viewport? I know you can get the animation of the object itself, (with record animation to keyframes) but how to get the distortions of ...
3
votes
0answers
106 views

Metal Deform in 2.8

I am trying to simulate a car crash in blender 2.83, but I am having some trouble figuring it out. I want it to be realistic, but also dynamic. I want to the damage to vary depending on the impact. I ...
3
votes
1answer
883 views

How to make a specific area of a soft body behave like rigid body (or vice versa)?

Is it possible to make a part of a soft body mesh behave like a rigid body without pinning the vertices of the object? For instance, following this answer I painted some of the vertices of the soft ...
3
votes
0answers
88 views

How to access Normal and Tangential force values of objects during physics simulation?

I have a couple of soft body objects that collide with each other as shown below. My goal is to get information on the Normal and Tangential forces for the selected shape. I wonder, is it possible to ...
3
votes
0answers
270 views

How to make cloth move by collision objects?

I am having a trouble when animating a wedding dress. For better simulation, I chose to make my wedding dress as a softy body instead of cloth. Then, to make my dress follow my character during ...

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