Questions tagged [rigid-body-simulation]

Questions pertaining to Blender's built-in rigid body physics simulator and rigid body simulations in the Blender game engine. Rigid body physics are used to accurately calculate dynamic motion of non-deforming objects.

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Rigid Body does not Behave as Expected

I am trying to create a trapeze. I am using cloth simulation for the ropes and for the handle I am trying to use a combination of an armature to drive a swinging motion and rigid body physics for free ...
DrIgnatiusCole's user avatar
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1 answer
41 views

object has no attribute pose bone

hey all so I m Trying to actually rig a car with the addon rig a car, I watched many videos on youtube and I FIGURED it out , after I parent the wheels , named them etc , When I try to generate it ...
Games nr's user avatar
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3 votes
1 answer
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Rigid Body - Constant Speed

I'm trying to render an animation with motion blur, and I want the motion blur to start since frame 0. To achieve this, I need the Rigid Body to start simulating before frame 0. How can I achieve this?...
Haru Shiba's user avatar
1 vote
1 answer
28 views

Floating Objects

I want to do an animation where a door opens and objects float. How can I do it? Reference: https://www.instagram.com/reel/Cn4rLCvKs-X/?igshid=MzRlODBiNWFlZA%3D%3D Thank you.
Haru Shiba's user avatar
1 vote
1 answer
42 views

How to have multiple objects work as one object with rigid body physics

I have 6 objects that I want to behave as one with rigid body simulation
INeedHelpWithThisProblemIHave's user avatar
1 vote
1 answer
20 views

Can I fill a vessel with rigid bodies, animated?

I need to fill a tub with paper packaging. I don't care which method, whether it's simulation nodes, geo nodes, particles... Everything is there in the blend file. Blend file here 0
JB Riley's user avatar
  • 741
3 votes
2 answers
170 views

Can you bake multiple rigid body simulations in a single file?

I've looked at various similar questions but ... a) don't quite understand and b) they were for older versions of blender. I'm now on Blender 3.5 I am doing a Rube Golberg machine. First part is a ...
BuddingBlenderer's user avatar
2 votes
1 answer
107 views

Why does the cube explode when passive rigid object has this shape?

I have some experience in blender. But I still didn't find the answer why this explosion is happening when I make this type of a background. Here is the project file. Just press play and you will see ...
Anton Ostapenko's user avatar
2 votes
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How to make a rigid body and soft body object collide

I’m trying to make a ball which has the rigid body fall and crush a cube with the soft body. I’ve already tried giving the cube a rigid body along with the soft body but the ball just freezes after it ...
Thatguy 123's user avatar
1 vote
0 answers
18 views

Why hit box doesn't move when using collision source with deform?

Initial state end state The box moved, but the hit box doesn't move, so the softbody hit the air. However, if I change the box's rigidbody>collisions>source from ...
mikumikumi's user avatar
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Layering 3.6 new Geonodes hair system in one object

I'm trying to have short hairs and Long straggly hairs on an object. When people have been layering hair it seems to create a second object. I'm trying to avoid this as I would like to use this tennis ...
Goujjon's user avatar
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I cannot get rigid body physics to work properly

Can anyone have a look at my file and or tell me how I can fix this and achieve what I am trying to achieve here? I am trying to make a rosary that a monk would where animate and I started with basic ...
Justin Medved's user avatar
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Rigged Object does not effect the floor in physics simulation Rigid Body

Here you can see my scene. The skeleton is rigged with an armature. on the left side i created a spehere to demonstrate that the simulation is working. When i animated the skeleton i choose mesh ...
manu000's user avatar
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1 vote
1 answer
23 views

Pull one rigid body to a specific location/rotation?

Is there a way to make one rigid body go towards a specific spot and rotation? Imagine something like a rope being attached to it, then the rope gets shortened until the object is in the right spot. ...
Black Fox's user avatar
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What is making the meshes oscillate?

My first attempt at a pbd simulation ends up with crazy oscillation. I haven't been able to figure out what - any ideas? ...
ollie d's user avatar
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1 answer
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Export RigidBody Simulation as FBX animation?

I've made a rigid-body animation (explosion) which I'd like to export as fbx. https://i.postimg.cc/J7yQw2Ky/ezgif-1-20d0b92cad.gif After hours of reading the same question over and over, apparently it'...
VP1's user avatar
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trouble rendering cloth modifier

I made a cloth simulation with colissions that looks great on the viewport but when rendering it becomes weird . The animation its about a girl who opens her closet and a bunch of clothes fall. I´ve ...
Adrian Weber's user avatar
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2 answers
9 views

rigid body sim with keyframed objects

I have a crate with keyframes set to passive. And a lot off balls with rigidbody set to active. I want the balls to drop in the crate and then leave the shot with the balls in the crate. Is there any ...
catwithlonghair's user avatar
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Make meshes with armature (converted from B-Bones) fall onto plane in a pile

I'm new to blender so please bear with me– I created a model of a large worm with a small person parented within. The person is parented to the worm and both of them are parented to bendy bones (which ...
chickey's user avatar
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0 answers
22 views

Simulate rigid body hitting thick liquid. (How to slow an individual rigid body?)

I’m trying to drop rigid bodies into a vat of slime. The rigid body needs to stop hard the moment it hits the surface of the slime, then slowly sink in. I’ve tried using translation damping at the ...
Black Fox's user avatar
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1 vote
1 answer
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How to handle frame handlers in blender python?

I've started work on my little physics sim using blender python but i'm stumped. I want my simulation to update per frame of the timeline and to stop and start when the spacebar is pressed, like the ...
ollie d's user avatar
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Rigid object getting stuck on container bounding box before falling in

I am trying to have a little pill shaped object fall into a bag. When the pill falls, from frame 35 to 80 it seems to halt on the top edge of the bounding box of the container. After that 50 frames, ...
gab's user avatar
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1 vote
0 answers
42 views

eliminate ALL motion damping in hard body physics

When I create a simulation of a hard ball rolling in a hard bowl, the ball eventually loses energy, slows down, and stops. Think of the bowl as curved spacetime and the ball as ... a ball. :) Since ...
Danl's user avatar
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Velocity of rigid body on impact for sound effect?

How can I get the velocity of a rigid body on impact so that I can add sound effects? B-A: if I get the velocity right before impact by comparing the last two ...
wjwrpoyob's user avatar
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1 vote
1 answer
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Simulation problem

I am trying achieve a simple falling mesh on a plane, but when I start the simulation goes well until a certain frame where meshes seems "attracted" by something. My simulation solvers are ...
Elbee's user avatar
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0 answers
54 views

Water simulation - How to make water spill (difference between 2.8 version and 3.6 new update)

How can I recreate this fluid simulation from 2.8 version to current 3.6 version? I do not see any 'obstacles' in fluid simulation. I was following this tutorial "making water spill from backet ...
J13's user avatar
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0 answers
57 views

How do i stop the crown from falling straight through the K

I'm trying to make an animation where the crown falls onto a K and lands in the extended part of the K, The top right hand portion. I got a nicely meshed K made, And the crown is ready to fall but ...
Dark Eye's user avatar
1 vote
0 answers
80 views

Animated Shape Key on a Rigid Body : The shape change is ignored by the physics simulation

I need to animate the shape of an Rigid Body object with shape key. The problem is that the Shape Key animation is ignored and only the initial Shape is taken into account in the Rigid Body animation. ...
Nicolas's user avatar
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1 vote
0 answers
14 views

Copy from Active not Avialable for RB Constraints

I forgot to set the rigid body constraints for a long chain to "hinge" and I want to copy the rigid body constraints from one empty to all the others. However Rigid Body > Copy from ...
DrIgnatiusCole's user avatar
1 vote
0 answers
37 views

Rigid Body Cache Will Not Clear

There are many similar issues to this on stackexchange, but none of the solutions work. I absolutely cannot get rigid body to ignore my initial tests with a simple cube and collision system. Find ...
DrIgnatiusCole's user avatar
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44 views

How do I export multiple objects with animations in one FBX?

The following problem: I have made a granule simulation and then converted the simulation to keyframes. So now each granule piece has its own animation. Now I want to export all granule pieces ...
David Langhammer's user avatar
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0 answers
51 views

How can I bake many Rigid Body objects to keyframes at once?

I have an absolute ton of different objects in a Rigid Body simulation and I’m wondering: Is there a way to bake them all to keyframes at once? I just simply can’t do them individually.
Pro Effects MAX's user avatar
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0 answers
31 views

Objects looks broken when given cell fracture

I did a rigid body simulation where the objects will be shattered by another by giving cell fracture, but the objects looks broken before it gets smashed. And Also when I render the animation the ...
Yukthy Parthy's user avatar
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0 answers
38 views

Unrealistic behavior with the rigid body physics

I'm facing an issue with potato physics in Blender as demonstrated in this video, and I hope someone can help me understand what's going wrong. The potatoes seem to bounce in an unrealistic manner ...
Lubov's user avatar
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0 votes
1 answer
21 views

Freeze a Rigid Body right up until impact?

I want a simple animation, where an object is hurled towards another object. I want the impacted object as an Active Rigid Body, but I want it to freeze where it is right up until the frame before the ...
Pro Effects MAX's user avatar
0 votes
0 answers
11 views

Bake Cell fracture physics? [duplicate]

I have a vase that's broken with cell fracture and physics. I only need it to stay broken, not be seen in motion. is there a way to bake the broken pieces as they fell? Thanks
elCamsterino's user avatar
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0 answers
20 views

Why isn’t my water simulation transparent? [duplicate]

I tried to do a product commercial, where the product falls into water and followed a tutorial. I think I did every step right. I even used the same HDRI. So does someone have an idea why my water ...
Sarah Ba's user avatar
0 votes
0 answers
18 views

how to bake rigid body?

so I have a rigid body simulation but the problem is I don't know exactly how to bake them , I have a plane with kind of explosion on (the plane is a loose part) on edit mode , I have two plane with ...
Jak Break's user avatar
0 votes
0 answers
23 views

i want to ask question about face rig in blender

when i generate rig RIGIFY ERROR: Bone 'spine.004': Cannot connect to non-chain parent rig. Incorrect armature for type 'chain_rigs' it is showing about rig3ify
ROSHAN BEDIYA's user avatar
4 votes
1 answer
187 views

building destruction slow motion

is there a way to make the building destruction go slow motion on a specific frame? I have a project that I wanted to make the building destruction normal at first but at frame 8 , go slow motion? ...
Games nr's user avatar
  • 327
0 votes
0 answers
30 views

Rigid Body simulation glitching/jittering

I'm getting strange jumpy/jittery playback on my rigid body fall simulation when previewing in 'Rendered view'. This also occurs when exporting as an image sequence too. It works fine in 'Material ...
Ben's user avatar
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0 votes
1 answer
33 views

Animating a rigid body collision with keyframes?

I'm new to physics in blender so I apologize if this is a trivial problem. I'm trying to make a sphere slowly push through a wall of bricks in zero-G. I set the individual bricks to Rigid Body, and ...
h_sharp327's user avatar
1 vote
1 answer
52 views

Why won't my rigid body obey the constraints/physics of the scene?

I desperately need a rigid body to be dropped onto a conveyor belt, and then when the belt runs out (pulley) the same rigid body falls off onto another conveyor. The 'conveyor is just a loop-cut plane ...
JB Riley's user avatar
  • 741
3 votes
0 answers
80 views

How to simulate a piece of cloth with some rigid insets?

I want to do a physics simulation of a piece of falling cloth that has some eyelets with metal rings, as in the stylized image below, with the cloth in blue and the metal ring in red. The cloth ...
CasualBlenderer's user avatar
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1 answer
24 views

Creating another group for rigid bodies

I have no idea how to create another group for rigid bodies. My animation involves several meshes becoming rigid bodies at different points in time. I know there is a starting rigid body group named ...
Please help's user avatar
0 votes
1 answer
84 views

Distributing objects with random rotation without clipping

I'm not sure if this is possible, but I feel it should be somehow, but I want to fill a volume with instances with random rotation without clipping. Ideally, if clipping occurs, objects would be ...
lzro's user avatar
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0 votes
0 answers
20 views

Blender render is not right

i've imported my HDRI and my objects i've created a rig with RBC (the addon that simplifies car simulation) recorded cache from RBC tried to render but it's not the same preview render
piruz's user avatar
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1 vote
0 answers
27 views

Animation of two groups of particles/spheres switching sides and colliding

I am currently trying to switch to Blender from some other 3D modeling/animating environments. Unfortunately, I found some troubles with force fields' animations and it makes me quite frustrated for ...
Michuo's user avatar
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0 votes
0 answers
24 views

Rigid Body does not tread well on the ground

I have a problem about Rigid Body. It does not tread well on the ground.
Alejandro 's user avatar
0 votes
1 answer
11 views

Link empties together using rigid body constraint

How would one "Link empties together using a rigid body constraint" ? I am following the instructions someone gave me and having trouble understanding what they meant. All help is ...
Ru5tyBlade's user avatar

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