Questions tagged [rigidbody]

The rigid body simulation can be used to simulate the motion of solid objects. It affects the position and orientation of objects and does not deform them. Use this tag for questions relating to the the rigid body physics simulation in Blender.

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Rigid body not rotating when bouncing off another rigid body and keeps bouncing off the floor forever

So, I am making an animation where a cat is dancing and I want a rigidbody (roll of paper) to fall in the background, but whenever I run the animation, the paper falls and then doesn't rotate, and ...
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Trying to Attach one rigid body simulation with 2 ropes to an jewel (solid object)

hi the main problem is when i try to use the rigid body simulation the ropes separate from the jewel i want to know if i can activate the rigid body and not separate it from the main model
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Why won't my Rigid Body objects stay within Passive object?

I'm sure this has been answered a thousand times but I can't find an exact relevant post... I have a cluster of Active Rigid Bodies within one large Passive Rigid Body cube. I know that the cluster ...
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Adding Sound in Blender With Certain Condition

I would like to add sound whenever a certain object collides with another object(let's say when a ball hits a floor). Is there a script whereby instead of adding the sound and keyframing it manually, ...
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Disable Dynamics on Rigid Body when body is at rest

I have a simulation where lots of small flat shapes are stacking up on each other. It's working mostly ok, but there is a whole lot of jitter in the simulation as the meshes start stacking up. I'm ...
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Solid bodies and parenting

I have created a pseudo-cube that can be inverted--with parenting and rotations--to display a surprising inside. I also would like to make the cube interact with a plane it falls on. I can see that ...
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How to automate the orientation process for a 3D Model such that it has maximum alignment with Global Z axis?

I have a scan of a banana-like object. For the time being, let's assume I'm importing the STL file of a 3D-scanned Banana, which is bulbous on one side (is heavier on that side). It gets imported into ...
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I'm having a funny problem with my RigidBody

I don't know what caused it, but it seems that I cant put an Icosphere (as Active RigidBody) inside an object (as Passive RigidBody) that I tried to put in. It keeps clipping out and does not want to ...
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I want this dragon with its rig to follow this line [duplicate]

So i want this dragon, rather the skeleton of the Dragon, to follow this bezier Curve. But my problem is that the rig doesnt change the form of the dragon, allthough they are parent. Also only the ...
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Rigid body does not work with my pulley animation

I have been working on a pulley animation and I want all of the meshes not to go through each other. I have enabled cloth physics for the rope. Even though I have enabled the rigid body physics, the ...
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Limit rotation of rigidbody?

I've been working on a drumset and I'm facing some trouble with the cymbals as I want them to move dynamically if hit. I tried setting them up as active rigidbodies and the joists as passive ...
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Why Won't Rigid Body Spin In Vortex?

I'm at a loss here. My Vortex force will only affect the translation of this object, but not the spin. What am I missing? PROJECT FILE
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Can't see rig in pose mode (blender 3.4)

I am very new to Blender and rig animation. I have downloaded this model and select the rig object (the one with orange human icon) and change to pose mode. However, there is no rig (the circle/square ...
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Blender rigid body to Unreal Engine

Im attempting to have a rigid body animation that I baked in blender play as one animation in Unreal. However when I export the objects and armature, they all appear as individual animations. Is there ...
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How can I set a specific linear velocity in the x-y direction for a sphere using Python?

I am trying to set a specific linear velocity for a sphere in the x-y direction using Python in Blender. I have already assigned various properties to the sphere using the bpy library, such as ...
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My Rigid Body Dynamics is crawling across the floor, yikes

When I interlink a few rigid shapes, they don't seem to be able to "settle." I'd like them to act like wood or non-springy metal, and just kinda drop and "thud" into place. But ...
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How to keyframe Force Field On/Off?

I want to make a rigid body simulation using a bunch of particles falling down on a plane then be lifted up using a Wind Force (after being grouped up using Vortex) I tried with the following : -...
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Settings for a rigid body physics simulation when you only want the final state fast

I've got several interwoven interacting mesh shapes, and they all kinda "jangle and bounce around" more than I'd like. I'm only interested in their final layout/configuration. Is there a ...
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Rotation to rigid body objects

I can't really find much about this and most of answers I do find are rather outdated. Is there any way to get rigid bodies to rotate by a force? For example I would like the cubes in this "...
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Yellow line in timeline

So I'm making an animation mixed with physics such as Rigid Body and using the particle system for effects. But when I add a collision plus a rigid body, this yellow line in the timeline appears. As I ...
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How to assign rigidbody to bmesh

I am creating a shape with bmesh (for performance reasons, I am using bmesh rather than primitive_cube_add) and want to assign a rigidbody to it, however I get error: ...
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determinism breaks when running a long rigidbody simulation?

I recently tried to create a marble run of sorts where a sphere rolls around obstacles using rigid bodies. My process was to simulate, adjust things where necessary, then re-bake the simulation- rinse ...
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Why wont rigid body work on my conveyor belt?

I've tried to follow tutorials on just conveyor belts and rigid body but sadly for the most part it falls through or has instances of the object pinging off or somewhat staying on. Blender file}
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Moving active rigidbodies with a passive one

is there any way to make one or more active rigidbodies with a single passive one? (Without animating the active ones) Hopefully this should explain what I'm trying to do:
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rigid body big amount of objects

I am trying to fill a container with A LOT of small rigid body objects, which are moved by an object which emerges from below. The objects are now dancing and jumping around like crazy. Is it ...
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Viewport and render very sluggish but PC is powerful. How can I reduce render time and increase viewport performance?

I have a pre-built NZXT with i-7 12700k CPU and RTX 3070 GPU with 32 GB of RAM. There are a lot of instance objects, cloth simulation with self-collision enabled, a rigid body, and collision object, ...
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Pull an object using blender

I am trying to simulate pulling using blender. In this picture, two cubes are connected using a cable. When I move one cube in the pull direction, I want the other cube to be pulled in that direction. ...
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Rigid bodies stick to root

I tried to make an animation where meshes fall down like dominos. But as seen in the picture, the stones just rotate about their origin point and snap back to their original position, nothing falls ...
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Rigid body constraints problem

How do I keep the two bars from coming out of the existing pivot? I use Rigid Body constraints for all existing mesh, can anyone help?
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How to add or use 3 pivot o center on rotation

Hello as you seen in the photo below, I want to make the animation of the scale.I want to make the cube as a active Rigid boby & when i press play animation the cube should move down for ...
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Dynamic Place in Blender - Live moving objects with physics Interactive rigid body

Is there an add-on or an option in Blender, to have a live objects moving with physics. I have attached here an example with what I am looking for.
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Problems with two object collision

I was trying to make a a keyring, so I modelled it and a key. For the two items I activated the collision and the rigid body as active, but instead of falling together, it seems like the two objects ...
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How do I add animation after rigid body physics has taken place?

How do I add animation after rigid body physics has taken place? I've figure out how to animate an object and then have the physics take over, but I can't get the reverse to work. Having a rigid body ...
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Are collisions causing this anti-parallel mechanism to change alignment?

I am using Rigid Body Physics in Blender 3.2.2. The mechanism is a four bark linkage with four hinges. The arrangement is anti-parallel. The top BLUE link is set as PASSIVE and the other three ...
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Rigid body collision not happening

I'm trying to make a simple collision between 2 chess pawn. One is animated and the other is not. I made the basic rigid body settings but the animated pawn is just passing through the other one. ...
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How to stop a Rigid Body link from automatically re-aligning

I am simulating the action of a toy horse front right leg using Rigid Body Physics in Blender 3.2.2. Once completing the full horse, the simulation will interact with other objects in the environment ...
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Pose animation and rigid body

I'm quite new on Blender, and I'm currently working on a human body animation in an environment. My body is composed of meshes combined with an armature and bones used to animate the whole thing (...
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Making a pop-up folding Rig

I am unsure if my thread will be repetitive, but here I go. I have recently started using blender at work where I create 3D models of packages for promotional purposes, I am largely comfortable with ...
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How do I delete my rigid body cache in Blender 3.2.2?

I've been trying to make a realtime steerable car with drivers in Blender and it's starting to work but the only problem now is that Blender makes cache when I play the timeline and then when I reset ...
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Moving a non-rigid body object with information from another rigid body object's movement/location

I'm trying to build a weight scale that has objects dropping onto both sides, thus shifting the Z location of the scales. I've managed to get that set-up correctly with rigid bodies, and want to do ...
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how to select all rigid bodies in my scene?

I need to bake all rigid bodies to keyframes. How can i select all of my objects with rigid body? I tried searching for such a function but i didn't find any.
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Rigid body options not working properly

I'm trying to make a conveyor belt with a cube on it. I used curve and then a cube to which I added an Array Modifier and then curve modifier. When I added the cube over it and applied Rigid Body ...
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Increase rigidbody collider accuracy

This is my first time doing any serious physics simulations and I have a doughnut shaped object that needs 100% collider accuracy, but the doughnut hole collides with things, all settings are on ...
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Use Simplified Mesh for Physics, Then Swap Geometry?

Is it possible to use a simplified version of my object to bake the physics (rigid body), and then swap out the simple mesh with the more detailed version after the physics has been calculated? Can ...
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How Do I Fill This Bowl With Balls?

I have a rigid body setup but I can't figure out why my particle objects won't fill the bowl. I have rigid body set for the both the ball object (active) and the bowl (passive), scales are applied, ...
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Blender Rigid Bodies don't touch

I am trying to make a 0 gravity scene, I'm trying to make a spaceship (which as a passive rigid body) drift into a small collection of asteroids. The problem I am facing now is the Asteroids don't ...
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How to avoid the rigid body "push apart" while another rigidbody is inside?

Here goes with the scene, The simulation did "explode" while another rigid body is inside, the gap I gave was big enough and the collision margin tried 0.000001/0.00001/0.0001/0.04/1 and ...
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Blender rigid body Vehicle RIG error

I got into rigid body for simulation of vehicle suspension settings Blender 3.2). The first drop and collision works perfectly and damps properly But once the rig gets into movement (go down the hill ...
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Make falling cylinder rotate as it falls

I have a cylinder object falling and hitting pins as a game element, I want to make it rotate on the 'Y' axis as it does so in order to look more realistic. Tried keyframes but it must not work on an ...
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Removing floor and make objects fall animation

I have coins falling into a cube. After a few seconds of them landing I want the 'floor' to move and coins to then fall through down. I have the floor plane set to animate out of the way but the coins ...

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