Questions tagged [rigidbody]

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Exporting mass/volume data

I would like to export the mass/volume data for all of the objects in my blender file, about 800 in total. Is there a function/addon I can use to do this? Mass for each object is calculated as a ...
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v-hacd blender 2.8 with physics engine

I am trying to get to work with the V-HACD add-on on Blender 2.8. While the convex hulls decomposition of the mesh works well, I was wondering how to make it work with the physics engine to animate ...
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21 views

Roulette Simulation Rigid Body

I am currently making an roulette simulation. I have 4 main objects: the bowl, the sphere, the spinner in the middle and the separators which separate the numbers (I don't know the correct name for ...
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26 views

Rigid body animation

I am currently making an roulette wheel for practice. Now I wanted play a little bit with animations. I am using the rigid body. The ball is rolling down the roulette wheel, so that works fine. But as ...
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13 views

Modify location data for physics animated object

I have a "coin" standing on a "table" which is being spun by the use of two projectiles, hitting opposite edges of the "coin," like the action fingers would have when spinning a real coin. The "coin" ...
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How to do random rigid body motion with location constraints?

I want three objects (say 3 UV spheres) to move randomly in a plane. Saw some solution using force fields - force, turbulence, and vortex. But can't exactly figure out how.
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2answers
42 views

Rigid Body stops at the upper surface of a hollow cube

I am very new to blender and so forgive me if the question sounds vague. I am trying to create a scenario where I have a hollow bin with cloth on its edges and drop some objects into it (In Blender 2....
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How do I change Rigid Body Simulation speed in EEVEE?

I need to change Simulation Speed on Multiple Rigidbodies for a simple animation that looks weird because the Rigidbody simulation is too slow.
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Blender 2.8 Cell Fracture Rigid Body Won't stand up

I am trying to animate a cell fractured rigid body wall being hit by an object and crumbling. I have created the Cell Fracture wall with a rigid body that is animated. When I initially press play ...
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1answer
10 views

Deaktivate Rigid Body Object after a certaine timeframe

due to the jittering of Mesh Collision Shape - I would like to deactivate Rigid Body objects e.g. after a certain timeframe. In blender2.79 I found this Python API for making an object with a ...
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5 views

How do I manipulate/move object with generic rigidbody constraints while in playback to see effect

I was watching this older video on how to do a ragdoll effect. https://youtu.be/GaZAI8RIq0Q?t=589 At about 9:50 into the video, he tests the effect of the rigidbody constraints by moving one of the ...
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How to control physics simulation?

I wanted to do a bowling animation purely because it'll allow me to learn a lot about controlling physics and rigid bodies. So far I have a animation set up where a character throws a bowling ball and ...
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bone's are not selecting

please help me, i can select main bone in object mode and pose mode. i can't select all other bone's . when i creat single bone and extrude after there are same issue, i also select first bone in same ...
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1answer
30 views

How to delete collections from the RigidBodyWorld list?

I can't find the possibility to empty the collection list, how do you do it?
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1answer
30 views

Key Framing Multiple Objects At Once

I have a cube that I have fractured (using cell fracture) and I'd like to know how I can keyframe the animation tick box under the rigid body section. When I select all of them and keyframe the ...
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28 views

Is There An Easy Way To Have An Object Make A Sound When It Collides With Something?

Is there an easy way to have 2 rigid bodies make sounds when they collide with each other. I can't make a script to do something like that could some one help me.
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Blender crashing without error message (Automatic Weights)

Trying to pose my model with Rigify and when I already make rig bones and setting parent to Automatic Weights (selecting the model and rigs) the Blender begin to process and then just quit with no ...
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23 views

Rigid Body World: Cache problems

I frequently run into problems with the Rigid Body World Cache in Blender 2.8. After adding a few Rigid Bodies (active/passive) and Rigid Body Constraints, duplicating, modifying its parameters and ...
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21 views

What is The Effector Collection and what does it do?

It has the field weights and a collection for it so how do I use it the Blender docs(at the bottom of the page) dosen't have much on how to use it
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1answer
26 views

Delete/disable constraint during animation

I have a rope made of rigid bodies with constraints in between each one to connect them and I would like one constraint to be disabled during the animation so that the rope splits in the middle. How ...
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28 views

Rigid bodies connected by using 'point' rotate around a corner vertex (not the centre)

I am making a 'rope' using connected rigid bodies. Each small rectangle is a rigid body connected using the type 'point' which allows for rotation. 'Generic' has the same effect (https://docs.blender....
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32 views

Blender 2.8 - how do I delete objects in its entirety from a scene at a certain frame

I have rigid bodies in the middle of my animation scene but I want them to disappear because I have a giant rigid body falling on top and want it to squish the other rigid bodies. I thought it'd be ...
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38 views

Rigid body bouncing ball

I have added rigid physics to my object and the floor. The object falls and bounces off the floor. How do I make this happen at a different keyframe? Currently it only does it at the beginning. Ive ...
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1answer
29 views

Armature breaks apart my objects which are Ctr-J'd to form a solar panel array deploying?

How do I prevent the bendiness? I tried rigid body constraints with no luck. Should I go back to that approach?
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42 views

How to start momentum in blender 2.8

I'm working on a pistol firing animation and I want the shell casing to fly out of the gun and have physics figure out how it comes down because I find animating objects mid-air very difficult. So I ...
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1answer
37 views

Have 2 objects act like one

I have an apple that is thrown into the air and then sliced in half. Because of this, there are two different objects (the halves of the apple). When it is thrown, I want to use a Rigidbody to get ...
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17 views

Can Armatures w/ passive rigid body mesh notice resistance from active rigid body objects?

This is about the laws of physics, the Rigid Body System, and Armatures or ‘Passive’ animated rigid body objects interacting with ‘Active’ rigid body objects... I use Blender to illustrate the ...
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141 views

How to export physics data from Blender 2.80 now that BGE is gone?

The add-on I used ("blender-bullet-export") worked enough to export rigid bodies from the scene into a .bullet file, but it relies on BGE. Now that BGE is gone (for good) in Blender 2.80, what can we ...
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54 views

Blender 2.8 BoneBreaker Animation Bone Rotation?

After I use Blender 2.8 and Bonebreaker and it fixes one problem it gives me another problem. After fixing my animation it rotates my thighs very oddly in a werid direction, do I need to just simply ...
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43 views

Why my rigid body act differently when I have small adjustments in simulation?

I have this simple rigid body cube simulation where the red cube is active while the rest of objects are passive when the simulation starts, this cube will roll all the way down, bounces and fall ...
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1answer
175 views

Operator bpy.ops.rigidbody.object_add.poll() failed, context is incorrect

Here's a simple code that works fine as far as the .blend file with the object I'm modifying is already open. ...
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38 views

Rigid Body Simualation not working properly

When I place a cube upon another object(the rigid body type of the cube is active and the other object is passive), and start the animation, pressing Alt+A, the cube gets displaced as opposed to ...
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28 views

Move object with rigid body physics enabled

I'm trying to move a car from a small surface down a ramp and then continue driving on the ground. I set the starting surface, the ramp and the ground to rigid body passive, the car itself to active. ...
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Bottles with balls inside - Physics Simulation [duplicate]

I want to create in blender a realistic physic simulation with bottles that have balls inside, first example is created Blender and the second in another 3D software. How to create this simulation in ...
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98 views

Bottles with balls inside - PHYSIC SIMULATION

I want to create in blender a realistic physic simulation with bottles that have balls inside, first example is created Blender and the second in another 3D software. How to create this simulation in ...
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16 views

My rigid body animation freezes after second frame

My animation records frames but the rigid bodies don't work after the second frame. Does anyone know how to solve this problem?
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36 views

How to push apart rididbody objects to avoid intersection?

I saw this image on Grayscale Gorilla and I know how to do this stuff in Cinema 4D. But I have problems to recreate it in Blender. What is the best way to clone objects to a volume and push them ...
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34 views

Rigid body corners

I don't know how to call this problem but while I'm simulating rigid body physics I noticed that as the cube falls and hits the corner of a block (especially when the cube is high) it merge some part ...
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1answer
95 views

Black plasma BPS rig skin glitch

I have a problem with the blender BPS rig v2. When I give it a skin the skin is messed up. When I remove all second layers it is ok but then my second layers are gone. I guess the problem is that the ...
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34 views

Transform locks cannot be applied with keyframes

I'm playing around with physics and rigid bodies and I'm trying to make the cube bounce and slide inside a room with rotating walls. Unfortunately, these doesn't work very well. As the cube falls and ...
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1answer
176 views

Rigid Body Dynamic Animation Problem

I have been trying for way too long now to have a shape composed of a bunch of cubes struck by another larger rectangle type object. After surveying a ton of tutorials and the entirety of the ...
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1answer
35 views

Issue with certain mesh vertecies stretching away from bone physics chain

So i have these two loops that attach to the head of my low poly model but i found out that when I rotated the head certain vertices on the head mesh would stretch away from the bones. I thought ...
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25 views

Intersecting problem with rigid bodies

There is a mechanism shown in the figure_1; a rotating gear interacts with a grip. There is no problem (figure_2) until I change the grip shape with the same setting as previous, where the model ...
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299 views

Set a camera to free fall like a Rigid Body?

I want to capture freely falling objects from their reference frame. i.e. to have the camera freely falling due to gravity in the exact same manner. Is there a simple way to make a camera free fall ...
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101 views

Rigid body objects interact with armature bone?

Is it possible in Blender to create an object (human + armature), rig it and make it to interact with other rigid body objects?
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bounce rigid bodies around inside a soft body?

So, I have a sphere, which is transparent, and a soft body. It is dropping onto a plane and bouncing. I'm trying, then, to fill this soft body sphere with miniature rigid body spheres. These, ideally ...
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2answers
67 views

Rigid body physic simulation error?

I want to create an animation with a ball that hits a lot of boxes. The movement of ball must happen in a few fractions of a second > 5 frames: here is my blend file v2.8, same bug in blender 2.79 ...
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36 views

How to create this animation and make it dynamic to interact with rigid body - spline wrap?

I want to create in blender an animation similar with this one: I am wondering how could I do and if it is possible to interact with rigid body objects?
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58 views

Do we need corrective shape for shoulder deformation when arm stretch?

I am having problem with shoulder deformation. I understand that I can use corrective shape. But, I wonder if we really need too. Any tip would be highly appreciated. Thank you.
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Rigid body property disappeared from multiple objects all of a sudden

I was doing a project. Everything was great I setup models, scenes, animation was almost done. I did car physics: wheels, carcass with constraint. Simple stuff. Thing is I did animate this car and ...