Questions tagged [physics]

Questions pertaining to Blender's internal physics or the Game Engine physics.

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Bake All Physics in a Scene at the Same Time

Is it possible to bake the physics on all simulations in a scene at the same time? For example, I have 12 flags that blow in the wind. I want to be able to delete bake/bake all of the simulations at ...
Troy McClellan's user avatar
1 vote
1 answer
26 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
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0 answers
23 views

Breast mesh not moving in pose mode

I was learning this video to know how to make the jiggle of breasts, everything was alright until I tried to move the model in pose mode to see breasts jiggling with the body. However, when I move the ...
pumpkin chicken's user avatar
1 vote
0 answers
39 views

Terrain ploughing simulation

I am trying to model something moving through a terrain and disrupting it (think Star Wars Imperial Destroyer size thing crash landing on a planet) What I want to do: model terrain being displaced by ...
Emperor Penguin's user avatar
1 vote
1 answer
35 views

My cloth physics stop working when baked, what's going on and how can i fix it?

I'm trying to follow a towel tutorial. However my physics aren't operating correctly. Even before baking my cloth only will fall correctly when i hit play, then tab out of object mode and into edit, ...
Zach Sheram's user avatar
1 vote
1 answer
40 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
0 answers
24 views

Frozen Rigid Body Simulation

Good day, I have been encountering an issue in Blender for some time and the issue remains with Blender 4.0. I'm not sure if it's the result of my error, as occasionally removing and adding physics ...
Tamber Squirrel's user avatar
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15 views

Is there some way to show bending/folding deformation on a surface due to another object?

I have a platform that moves in a clockwise direction throughout the animation. then, another object needs to come down into frame and touch this object, dragging itself across it, which creates ...
james's user avatar
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Two separate cloth objects not colliding properly

I am attempting to make a few smaller balls to collide with a larger one at the centre, however, I encountered a problem where I can't make the larger ball to deform as smaller ones hit it. The ...
atkaizer's user avatar
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1 vote
1 answer
27 views

Coins dancing for a very long time when animated with physics simulation

I have put several coins above a table and I want physics simulation to make them fall on a table. So far, I have almost succeeded, but some coins dance for a very long time on the table (nearly 21s!)....
Zelig63's user avatar
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Ball squeeze through pipes

I am trying to make simulation similar to this (around 5sec) https://www.pinterest.es/pin/573997915020314265/ and i have this issue that the ball wont come trough the pipe like on the picture. Any ...
Patryk Laskowski's user avatar
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Edit particle system at frame

I'd like to let hair in a particle system fall by gravity, then cut the hair. Before gravity, I can't get the correct lengths. An incomplete work-around is to convert the particle system to mesh, then ...
Knampf'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
1 vote
1 answer
45 views

How can i make other parts of a model move during animation while the main body have physics?

Here is my situation: i have character that is a sphere (body) with another sphere inside (brain) and the surface of the body there are two discs (eyes) and another one (mouth). The rig start from the ...
BaboonsWearCapes's user avatar
1 vote
1 answer
61 views

Parent objects with physics

Hi I'm quite new to blender so I don't even know what the technique is called to google it or any of the right search terms. I want to make an object like this, the centre ball as the controller and ...
neatnik's user avatar
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1 vote
1 answer
26 views

Physics Dropping Ball Blur

Friends, Maybe some of you have seen on a golf telecast where the putter hits the ball and all the "frames" of the ball rolling toward the hole suddenly become one, long "blur". I ...
Larry Landolfi's user avatar
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0 answers
12 views

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 answer
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Cable getting stuck - pyhsics

I've been trying to create an animation in which a high-poly object is lowered from a building using a pulley. I'm still a beginner when it comes to physical simulations. The pulley cable is made of ...
leoleo's user avatar
  • 21
1 vote
1 answer
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Gravity not affecting the Scene

I have a proj on uni to simulate an asteroid clashing on to another asteroid and shattering. I already have the collisions, cell fracturing of the shattering asteroid, animations, and gravity set to 0 ...
yunjin core's user avatar
0 votes
0 answers
25 views

Cloth Physics not Working after apply

i have made a female charackter and i will add Physics to the breast of the charackter. it's working fine but when i apply the cloth physics the physics object to simulate the breast physics will not ...
Noro Lex's user avatar
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0 answers
12 views

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
40 views

Robotic physics simulation for Reinforcement Learning

Im new to blender and I was wondering if there is a way in which I can have the 3d model of a robot, and control its movement via an external input like a python code, and also get the positions of ...
Nicolas Correal's user avatar
0 votes
1 answer
52 views

I want to create a helicopter carrying a logo or any element and make it move,

I want to create a helicopter carrying a logo or any element and make it move, and the element is affected by the movement I want the element or logo to be attached to the helicopter by ropes, and the ...
izac fayz's user avatar
3 votes
1 answer
44 views

Why is this object not colliding with a cloth?

I am trying to make a plastic bag with Why is this blender cube with: A collision modifier with single-sided disabled Not colliding with this cloth with: Object collisions enabled A thickness Here ...
ifthisthenthat's user avatar
1 vote
0 answers
39 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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0 answers
39 views

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
  • 123
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0 answers
42 views

Create a body impression on a foam cube mattress

I've been trying to create a simple animation where there is a body imprint on a foam layer made of cubes. I'm using cloth physics on the mattress, and moving it up to the body mesh to create the ...
Zerosiero's user avatar
1 vote
1 answer
39 views

What physics settings should be used to make a knot wrap up around itself?

I am trying to animate a fishing knot, and I need to know what physics to use to make the knot pulls on to tie up. https://www.youtube.com/shorts/p5W0b6WLg-s
Ramy Morgan's user avatar
0 votes
0 answers
50 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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1 vote
1 answer
57 views

How to model coiled up cables

Blender to the rescue? After working pretty extensively with Solidworks for 2 years, I was tasked to model some realistic looking coiled up cables for solar panels. SW is definitely not made for that ...
Magnesia's user avatar
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0 answers
20 views

Clothes shrinking inside my character

I've been doing a character for the last days and I'm currently trying to make some clothes, I had some prototypes done and after finishing some corrections to my characters mesh I applied the ...
Enlor's user avatar
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2 votes
0 answers
41 views

Pinning Vertex group in cloth physics removes wrinkles

I created a bag of chips, added a cloth physics to it, and added pressure so it inflates. I had created a Vertex group at the top and bottom of the bag so I can pin it in the cloth physics properties. ...
Ogunlesi Taiwo's user avatar
1 vote
0 answers
103 views

complex geometry bending in wind while maintaining length and individual dimensions (geometry nodes)

I'm working on a scene which includes a grass field that is affected by a strong wind. Therefore the desired result is a bending affect in the grass, due to the wind force. For the grass I'm using a ...
Lennart Knospe's user avatar
0 votes
0 answers
34 views

adding gravity to instances

I an trying to create a simulation using lego bricks. i am instancing them on a cube that is hidden from rendering. i want to apply gravity and a rigid body to the bricks so the fall and land on the ...
Joseph The Nerd's user avatar
0 votes
2 answers
100 views

Rigid Body Constraint doesn't work

I want to limit the rotation of a physical object on two axes so that it rotates only on the X axis. However, Rigid Body Constraint has no effect. How can I fix this?
R1senDev's user avatar
0 votes
0 answers
19 views

Is there a way to run scripts on physics collisions?

I want to run a physics simulation where certain things happen when objects collide --- for example, teleporting the object from one place to another, or spawning a new object. I know that this should ...
David Given's user avatar
1 vote
0 answers
69 views

Hanging an object from a string with physics

I'm working on a project where I'm creating a Christmas ornament and it would be great if it could be as physically accurate as possible. It only has two elements, a disc with a small hole in the top, ...
Adam Palmer's user avatar
0 votes
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
  • 1
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
0 votes
0 answers
17 views

Mangled physics after moving an object

I'm trying to do some simple 2D physics. Here's a working version of the animation (I told you it was simple): https://imgur.com/a/vWdC54K I now move the rotating green element a bit to the right; I ...
David Given's user avatar
2 votes
1 answer
54 views

Increasing the scale of a flag cloth simulation makes it fly much stronger

When I increase the size of the flags, they fly much faster. Is there a solution to this problem?
Güray's user avatar
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2 votes
0 answers
27 views

How to create Cloth Simulation for Deflating a net wrapped around balloon in Blender?

I am trying to wrap a net (made out of torus shapes) around a balloon. As the balloon deflate, I hope to make the net get flat and flat (on the ground. I was exploring the inflate and deflate on ...
J13's user avatar
  • 55
0 votes
0 answers
28 views

how to create objects with rigid body center and insubstantial exterior

I want to model atoms/molecules banging into each other and allowing the outer shells of electrons to interpenetrate a bit. I have tried using soft body physics and the deformations aren't exactly ...
Danl's user avatar
  • 21
0 votes
1 answer
50 views

How to hook to an object without bending the mesh in the wrong direction?

I have a question about trying to hook object ends. The idea is to link an air hose to the valve of a dive tank on one end, and have it link to the mouthpiece on the other end. Both work fine when ...
Jeffrey Davis's user avatar
1 vote
1 answer
27 views

Flag Behaving Unexpectedly

I have a flag waving in my blender file. The other flag is working perfectly fine while this one is showing unexpected behavior. The cube is on 385.4 on x-axis. Also, I've already tried to add another ...
Talha Shabbir's user avatar
4 votes
1 answer
184 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
  • 299
0 votes
1 answer
30 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
0 votes
1 answer
51 views

Blender physics animation into powerpoint

I'm trying to export an animation that I made using physics in Blender into a PowerPoint slide (import 3D). I was able to export simple animation by putting armature in the object and exporting it as ...
Naser 's user avatar
  • 11
1 vote
0 answers
45 views

Inflating a box inside a room

I am trying to create air volumes of apartment rooms and thinking of using a method of inflating simple meshes like boxes similar to the following question Scaling a Soft Body object (Inflated ...
Max's user avatar
  • 11
3 votes
0 answers
73 views

How do I loop a cloth sim for a walk cycle? [closed]

I am using cloth sim to make the cloth of a character a bit more dynamic and I want to render out the character's walk cycle as a seamless loop. However I don't know how I would make the cloth sim for ...
SentinelForce's user avatar

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