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Questions tagged [soft-body]

Questions about soft body physics in Blender's soft body physics engine and Blender's game engine. Use this tag for question pertaining to soft body physics.

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29 votes
1 answer
25k 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" ...
flawr's user avatar
  • 743
4 votes
1 answer
6k 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 ...
Khaz's user avatar
  • 43
9 votes
3 answers
10k 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!
Hernan's user avatar
  • 91
7 votes
1 answer
4k 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 ...
Cyril_J's user avatar
  • 105
12 votes
1 answer
8k 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 ...
Evan's user avatar
  • 253
7 votes
2 answers
7k 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 ...
Amir's user avatar
  • 3,064
4 votes
1 answer
835 views

Create a shower hose with correct physics

I'm making a shower hose that follows the handle when it moves. I've created it successfully following THIS tutorial, but the hose is too "elasticy". I'm wondering which settings I should change (...
gatzkerob's user avatar
  • 315
8 votes
1 answer
14k 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 ...
user avatar
20 votes
1 answer
8k 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? ...
Jaroslav Jerryno Novotny's user avatar
9 votes
1 answer
3k views

Scaling a Soft Body object (Inflated balloons in a box)

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 ...
MicroMachine's user avatar
  • 4,693
3 votes
1 answer
3k 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 ...
Karric's user avatar
  • 553
19 votes
2 answers
10k 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?
gandalf3's user avatar
  • 158k
18 votes
3 answers
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 ...
solomancode's user avatar
8 votes
2 answers
2k 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 ...
goldspiral's user avatar
7 votes
1 answer
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 ...
lumpynose's user avatar
  • 656
2 votes
1 answer
2k views

How to move a soft body object in the scene towards a "goal position" while physics is active?

I have a couple of soft body objects in a scene sitting on a plane. My goal is to smoothly move one of these soft body objects towards a goal position smoothly while still having its 'base' anchored ...
Amir's user avatar
  • 3,064
1 vote
1 answer
467 views

How to make an interactive two-finger robot gripper and grab things with it?

I am trying to make a two-finger robot gripper. The grippers use soft body physics and my goal is to move them towards an object in the middle of the scene to just grab it by pressing the grippers to ...
Amir's user avatar
  • 3,064
0 votes
1 answer
5k views

How to [dynamically] pin soft body objects to another mesh?

My goal is to use the Armory addon to move the two soft body meshes to interact some rigid bodies in the scene. For example, I want to apply forces the soft body objects to bring them closer to each ...
Amir's user avatar
  • 3,064
37 votes
3 answers
10k views

Is there a way to 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 ...
user avatar
7 votes
1 answer
876 views

Expanding Balloons

I've seen a lot of motion graphics animations from Cinema4D - expanding balloons compressed into a shape. The most recent one is the animation from Mi Fans 2021 Here's what I've tried: First thing I ...
Fernaldy Wiranata's user avatar
7 votes
1 answer
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 ...
Neri's user avatar
  • 419
7 votes
1 answer
2k 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 - ...
MatX's user avatar
  • 171
7 votes
1 answer
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 ...
GiantCowFilms's user avatar
4 votes
1 answer
2k views

How to get frame-by-frame object location in Blender 2.8+

I am trying to get the frame-by-frame location of the softbody physics simulation (collision of softbody cube with a plane). I am incrementing the frame of the simulation using ...
cranberrymuffin's user avatar
4 votes
1 answer
2k views

How to have multiple soft bodies in a single object?

I want to use soft body physics on a human character. It means breasts physics is different than butt, thighs or belly. Is there any way to apply multiple soft bodies on single object? Like vertex ...
klufok's user avatar
  • 115
4 votes
1 answer
9k 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 ...
Meg's user avatar
  • 41
3 votes
2 answers
4k 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 ...
diniulian's user avatar
  • 930
3 votes
1 answer
2k 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 ...
Amir's user avatar
  • 3,064
2 votes
1 answer
603 views

How to make toothbrush Bristle animation

Hi all, I am a student and a newbie in using blender. I just know the basic for the modelling and animate with time frame. I want to make an animation for brushing teeth but I don't know how to ...
Luqmanul Hakim's user avatar
1 vote
1 answer
2k views

How to run physics simulation frame-by-frame using Blender's Python API?

In my scene, I drag some of the objects and move them around while the physics is running (Alt+A). This means that the physical interactions could be quite different every time I do start the physics (...
Amir's user avatar
  • 3,064
0 votes
1 answer
260 views

How do you make a new collider?

I'm currently working on an obstacle course for some soft-body balls to go through, and I'm right now stuck on creating a funnel. I'm trying to make the balls go through the funnel, but there's ...
Michael Joseph's user avatar
10 votes
2 answers
2k 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, ...
kindoflike's user avatar
9 votes
1 answer
2k 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 ...
Colin Conwell's user avatar
8 votes
2 answers
1k 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 ...
Samantha A's user avatar
8 votes
1 answer
392 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 ...
RedFaction's user avatar
6 votes
2 answers
6k 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 ...
Sebi2020's user avatar
  • 163
5 votes
1 answer
12k views

Ball with soft body and collision falls through plane

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 ...
Silvia's user avatar
  • 97
5 votes
1 answer
969 views

Create internal mesh for object

How can internal meshes be created for object like shown in the answer for this question - Soft Body - Preserve Volume when deformed The answer provided a manual process that only works for object ...
Ed Tate's user avatar
  • 5,196
4 votes
1 answer
872 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 ...
cc03d.com's user avatar
  • 139
3 votes
1 answer
3k 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 ...
DragonHeart's user avatar
  • 1,524
3 votes
1 answer
474 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 ...
gandalf3's user avatar
  • 158k
3 votes
1 answer
3k views

Make only a part of the mesh softbody

I've been following this tutorial: https://www.youtube.com/watch?v=O5JtP8AZKhU&t=5s It doesn't address, and I cannot find any documentation on how to make only a part of the mesh a softbody. For ...
Karric's user avatar
  • 553
3 votes
1 answer
4k views

Move a soft body/cloth after baking

Is it possible to move / scale / rotate, and possibly keyframe, an object after baking point cache (soft body or clothes simulation data) to its mesh? I feel like this must be a duplicate question, ...
Nicola Sap's user avatar
  • 12.9k
2 votes
2 answers
781 views

Blender animation constraint "Track to" not working for soft bodies

I have a super simple scene, a block, a plane, a camera with track to block. The block falls on the floor as rigid body, collides with plane, camera tracks -> works. if i change the block to soft ...
Chris's user avatar
  • 62k
2 votes
2 answers
396 views

How to make an object go through a plane but the plane deform with the face of the object?

😀 I wonder know how to make an object go through a plane, but the plane deform with the face of the object, as in the following Terminator video, in second 15 https://www.youtube.com/watch?v=...
Alexis Rivera's user avatar
2 votes
1 answer
561 views

Manuel Bastioni lab and soft body simulation

I'm trying to apply soft body sim to a Manuel Bastioni lab human and all I can get as a result is a collapse of the body like cloth or explosion of everything. How can I simulate the output human as ...
yossico's user avatar
  • 259
2 votes
0 answers
1k views

collision between RB and softbody objects?

I have been trying to get a wrecking ball to collide with an upright slab of jello, with no success so far. I've tried so many combinations of physics attributes that I can't remember them all, but ...
Tazling's user avatar
  • 393
2 votes
0 answers
2k views

Is there any way to export soft body simulation to Unity?

I have a mesh with soft body simulation. Is there any way to export it to Unity? So far I have baked the simulation into shape keys, and created key frames for shape keys values in every frame, using ...
Rumata's user avatar
  • 2,749
2 votes
1 answer
3k views

How to make a soft body stay static and not vacillate at all?

I was trying to create a soft body effect.So,I added a cube and gave it a soft body and a sphere(gave it some collision) and animated it.However my cube seems to vacillate(even though the effect is ...
KnowledgeSeeker's user avatar
2 votes
1 answer
1k views

Saving the deformations on an object after using soft body

Once I have used soft body physics to deform an object, can I save the deformations on the object once the animation is paused? I am applying soft body dynamics, playing the animation and then pausing ...
Robin's user avatar
  • 21