Questions tagged [physics]
Questions pertaining to Blender's internal physics or the Game Engine physics.
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How sewing clothes?
I have watched a video where clothes was sewed. I tried to do it but it never happens what i saw. I read about to start a simulation with bake but it dont run either.
What i want is to create clothes ...
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How to make a brush bend against the paper using Hair system?
I managed to create hair in the shape of a pointy tip using the edit mode, but when I try to do the brush bending , it doesn't keep its shape.
I need it to be rigid when I do the simulation, giving a ...
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Assigning Physics To Multiple Objects [duplicate]
When I attempt to select all objects in a collection to assign the same physics to the objects, it doesn't seem to assign to every object. In fact, it either assigns it to one or none of the objects.
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How to fix a broken mesh? [closed]
I have this mesh I downloaded. It seems to be built by joining a bunch of separate meshes. When I give it cloth physics and pin the front of the waist band, the other parts just fall off.
When I right ...
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Cloth physics not falling
I want the selected plane to fall down but it wouldn't.
I made sure gravity is 1 and it is subdivided and everything seems to be right just like the tutorial.I am very confused 😕
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Cloth doesn't collide on the character's surface
I want to use Blender's cloth simulation to add a jacket to my character, but when it collides, the jacket ends up moving inside the character's body.
I have checked that the normals of both the ...
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Adding multiple bones that react to physics naturally
I am trying to add tassels to my model, which happens to have many tassels. All of which have bones, which react to gravity and movement realistically. I was using Wiggle bones, but i noticed that i ...
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Why does my fluid simulation look like a floating swirl of colors?
I'm trying to create a fluid simulation using Quick Liquid for a coffee pour animation. At this point I've watched 3 different tutorials but it's still not working. What am I doing wrong?
Image 1: ...
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Strange collision behavior between active and passive rigid bodies, based on the number of active body duplicates
EDIT: For now I'm going to try to create this motion using drivers, custom properties and control meshes instead, with more advanced distance based calculations. Hopefully I can have more control on ...
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Drop control points of curve onto mesh
I have a complex Bézier curve object (20k control points), with all points in the XY plane.
I have a complex terrain mesh (20M faces), which is (mostly) a grid in the XY plane, with varying heights on ...
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Keyframes are not moving
I have downloaded a walking animation, I want the animation to start after some frames like after 10 frames because I want the cloth simulation to be stabilized before the walking animation starts. I ...
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Soft bodies for car tires
How would you go about using soft bodies for the tire tread of a car?
I can simulate the tread by itself squishing and deforming easily, however, I haven't figured out how to attach it to a tire rim (...
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What is this around my fluid? (weight map?)
I'm trying to figure out how to work with fluids and so far no youtube tutorials had this colourful thing around their liquid. It's there even if I press z and select rendered view.
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Moving A Cloth Object After Running Cloth Sim
I am trying to get cloth in my scene, as a simple curtain. I've run a cloth sim under physics and under object data, I used shape keys. I hope that you are familiar with this method, if more info is ...
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How to prevent soft bodies entering other soft bodies
I've created a soft body simulation but a lot of soft bodies enter other soft body objects.
I've tried many suggestions and options but can't avoid this behavior.
Any advice please?
https://drive....
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How Do I Achieve This Wave/Liquid Gold Effect?
https://www.tiffany.com/fragrance/shop/all-fragrances/
Hello. I am trying to recreate something similar to the effect you see in the link provided above, where the perfume is interacting with the ...
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Wind force makes central shop bag row fall down incorrectly
I have a problem with central shop bag row that basically falls down.
In particular I applied three raw and each one is connected to make the shop bags fall down correctly:
Cube 1 with the left raw
...
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When I use rigid body collision, if the volume is too large, it will cause decoupling
When I use rigid body collision, if the volume is too large, it will cause decoupling. Not having a large volume would not lead to this situation.Can you help me take a look at this issue？thanks!
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Physic issue direction with shop bag
I have an issue with shop bags in particular with the center raw that doesn’t fall down correctly with gravity and cause some issue in the final part.
As second error the raw on the right gives issue ...
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Smoke noise creates weird pause?
So my smoke sim works fine until I add noise, then it creates this weird pause before it dissipates.
Here's the render: https://www.youtube.com/shorts/uecM8D57xzQ
and my sim settings -
any advice ...
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How can I make multiple active rigid bodies not intersect?
I'm trying to have these active rigid bodies fall into the jar. Though they land on the jar just fine, they intersect each other. How can I have them not intersect?
Here is the file: https://www....
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How do I get a moving rigid body to collide with a cloth?
I have a UV sphere with collisions and rigid body and a cloth with collisions, cloth and rigid body. I want the UV Sphere to collide with the cloth and cause ripples and normal cloth behaviour, but ...
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Can the soft body LENGTH option be animated?
According to the manual and this video one can use the length option to shrink or expand a soft body:
Length option: Soft body physics > Edges > Length
Youtube movie:https://www.youtube.com/...
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How can I make objects float inside a softbody?
Basically, I have a translucent slime softbody character. I would like to have small meshes floating inside said translucent slime softbody character. How can I accomplish this?
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How can I connect objects together as if with strings/springs?
My end goal is to be able to move one object, and have others that are connected to it, follow as if they're being pulled/dragged by a string or spring. Ideally I'd also want to be able to lock the ...
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the fluid duplicates the flow on its own, why?
Resolution Division is at 64 it does not show but when to number is increased to 100 or even 200 the fluid shows up in the middle of the domain see pictures below. any suggestions how to fix the ...
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Can you link physics properties between different objects?
I'm testing some Rigid Body physics for a lot of objects. I want to test the different properties of the rigid body, but I don't want to have to change the values for every object individually. Is ...
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Rigging a medal that swings along a ring
I am trying to rig this medal that is attached to a ring, which is attached to a ribbon. What i am trying to achieve is have the medal swing and move around when the body moves, as a real medal would ...
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Hair & Particles shooting in one direction until frame 100?
I'm adding some fur to an insect and sometimes the fur spazzes out and points directly in the +X direction. After some experimenting I found that frame 100 it returns to normal. This is even true with ...
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How to fix weird cloth physics behaviour? (Armature + Cloth simulation)
I'm struggling to figure out why my dress glitches out when I move a hip bone. What happens is that after a hip moves, it bends in a weird way as if it had some weight painting but it doesn't.
The way ...
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Liquid Sim in a Closed Container Not Working
I'm trying to simulate an oil drum getting knocked over and liquid spilling out of it. Right now, my sim is not behaving as intended. When I move the sim out of the hollow drum model, it behaves as ...
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Driving an Objects animation from a Physics Simulation on another Object
I am a Blender beginner but very familiar with 3d workflow with a background in After Effects.
I have a very high poly/face count mesh Ball that I am trying to animate using simple physics simulation ...
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Objects get stuck in each other
I was trying to do a simulation of money falling on the floor, and the problem is that as soon as it touches the floor, some of it gets stuck in each other
I used Collision for the floor and Cloth ...
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i want deform this metal strip by using this bending machine
I want deform this metal strip by using this bending machine. Which physics should I use soft body ? rigid body ? and what is method to use related physics? I applied rigid body and soft body physics ...
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Raised ridges with shirt mesh
I'm in the game making industry and I have been working on a skin for a character.The raised sewing always happens for some reason and originally, I had found an answer to this problem in the physics ...
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Simulation Not Working after Cloth Modifier Added
I have attempted to create several projects with a cloth modifier in Blender 4.0. After I have applied the Cloth Modifier, the simulation does not work and instead only shows the mesh as it would ...
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Cloth keeps sliding off of rigged character
Honestly I dont know what to do now, am trying to make clothing for my rigged character but for some reason the cloth keeps sliding to the X axis for no reason, now at first I just thought its a left ...
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How to make a sphere from many small spheres
I'm trying to make this (picture found on internet):
So I added 2 spheres. One big and one small.
For the big one I added : Particules > Emitter > Render > object > I selected the small ...
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How do I get hair particles to lay flat on an object?
I'm trying to create a procedural material for a sort of fibre based particle board, but I don't have the physical object so I need to create a material for it from scratch.
The picture below (side ...
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Fix Particles not intersect with each other Non overlapping
I have to create a scene with some particles, but I encounter difficulties...
The particles are intersecting each other.
I have attached here the .blend file: https://drive.google.com/file/d/...
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Simulation of water in a bottle
how do I do a simulation of water in a bottle. So that it turns over there relative to the position of the bottle. Thanks)
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What's the easiest way to contract and expand folded patterns? [duplicate]
I'm trying to create a folding paper thing like shown in this video https://bramfritz.nl/wp-content/uploads/2024/05/paravent_base_grid_1-1.mp4
It goes from being somewhat flat, to scrunched up into a ...
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cloth physics clipping?
I have been working on physics for a skirt for a number of hours but I keep encountering the same issue seen in the video attached
https://imgur.com/a/Ra8p26F
I have object collision to 20 and self ...
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How do I make two objects deform correctly?
I am making a detailed 3D model of a Shed and I want to animate it assembling. I have two identical sheets of iron that need to be overlapped. I have animated them coming together and they clip (as ...
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How to give physics to a dress?
I'm mostly done with the rigging of my character, but right now I have stumbled on an issue of how to make dress to move with legs. My dress look like this.
Parts of the dress that touch the body ...
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How to make an imported extruded round shape into a flexible wire?
how can I add flexibility to various existing bent round wiring shapes so that I could animate the connecting of the wires between LED fixtures?
I have an electrical assembly of LED light fixtures ...
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How do I exclude specific materials or vertices from Grease Pencil line art?
So I'm making a little animation with a cartoonish duck and added some line art with Grease Pencil. But here's the issue; it all looks good and nice, but there is line art around the duck's eyes ...
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Where can I find the algorithm that Blender uses for dynamic elements (physics)?
I need algorithms like DEM, IBD, MSS, SPH.
I know these are used, but where can I find more about them? My thesis is about comparing these elements in Blender and Houdini, but I need a site where I ...
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How to animate a solid block cracking
Looked around online for a bit and could not find an answer - most resources are about making a cell fracture + rigid body explosion.
But I don't want an explosion/destruction animation. I just want ...
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