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Questions tagged [physics]

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

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10 views

mesh collision rigid bodies acting very strange. (bouncing, shaking, etc…)

I am currently using blender version 2.92.2, and I am making a simple rube Goldberg physics simulation, however, for some of my objects I will need to use rigid bodies that have mesh collision instead ...
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1answer
20 views

Soft sphere in a channel with obstacles

How to pass a soft sphere into a channel with obstacles and have it deform to its shape? What I want to do is Figure 1. I have tried following the steps for a sphere going down a staircase (Fig. 2), ...
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1answer
21 views

Why is the mesh not colliding with cloth simulation? [duplicate]

Why is the Suzanne falling through the carpet? Suzanne has collision and rigid body physics and the floor has cloth physics with collision. I want Suzanne to fall on the cloth and it should slide on ...
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0answers
15 views

Whats the best way to add cloth physics to anime style mesh hair in 2.9?

I've decided to go with cloth physics, unless someone gives me a good reason to use soft body, but I'm struggling to figure out which method is best for animation. In my research I came a crossed at ...
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0answers
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Edit Presets in Calculate Mass

In the documentation for Rigid Body physics we are told "There are many useful presets available from the menu..." However, I find many of them are not so useful or are completely redundant. ...
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0answers
18 views

Physics simulation do not appear in final render

I can't find the way to render a simple animation. I've been playing with cloth simulation + mesh deform, but the changes I see in the viewport don not appear in the final render. Can anyone check it? ...
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0answers
31 views

Is blender suitable for motorcycle crash simulation? (Semi-scientific)

I’m a long time 3d animator (20 years using 3d studio, Max, Maya). However, I’m retired from CGI work and now I’m MacBook Pro 2019 based. So my software options are limited to Blender or Houdini. I’m ...
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2answers
36 views

How to apply collision physics without destruction?

The sphere rolls down a plane though I it falls through the tunnel. How can I apply Chris' answer without applying the modifiers? Tried[0] as well [0] Passive rigid body physics not working with ...
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0answers
17 views

Optimal way to animate dragging objects through space from a spaceship

So I'm working on a short 5 second animation for a stream alert. I've made a rocket and constrained it with follow path, then used some custom animation to make it appear to (shoddily) fly. I also ...
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2answers
26 views

Physics vs. Keyframes

I am just starting out doing animation with keyframes so far. I got a little bit confused with the following things and how they behave to each other. We can make something move via Keyframes and ...
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0answers
6 views

Objects transformations not present in appended file

noob here struggling too much with something I think it must have a simplier way! I'm practicing modeling food, so I made a bunch of grapes in a plate so I can place them in a table. They look nice ...
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0answers
21 views

How to setup reciprocating compressor rig? [duplicate]

Note: I put my object names in "". I need to rig this reciprocating compressor such, that rotating the "Rotary Base" at its center, should pull the "Rotary Shaft" at the &...
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0answers
26 views

Blender physics not interacting properly

I'm trying to create a conveyer belt like scene in blender using ecospheres. In the scene, icospheres are dropped onto the conveyer belt and carried out of scene, however the 3rd icospheres will not ...
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0answers
24 views

How powerful is Blender Scripting? [closed]

I am thinking of creating a physics simulation for human body, skin, cloth, etc. It's a bit of a pet peeve of mine, and I'm currently not very serious about it. The goal is to create an environment ...
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1answer
17 views

Baked Physics Simulation Glitching

I have a physics simulation with roughly 1700 objects (water bottles). I have baked the simulation and tried to render it multiple times. Rendering a single frame works just fine. However, rendering ...
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0answers
29 views

How can i make this rocket exhaust flicker? [closed]

My friend gave me this for my rocket but it doesnt flicker like the real raptor engine does. How can I make it flicker?
2
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1answer
24 views

Is it possible to add spring/jiggle physics to a rigify metarig?

As the title says. I have found plenty of addons to do spring physics for bones. But all the ones I tried rely on custom properties that wouldn't carry over through the rig generation, and I could add ...
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0answers
14 views

Solid to liquid [closed]

I want a solid mesh cube to turn liquid and splash on the ground. Must be possible in Blender, no?
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0answers
14 views

Why the collision don't work after baking?

I try to create a simulation of a firethrowing starting in a cave, moving inside it and getting out of the other extrimity of it. I think my particles simulation is ok and well colliding with the ...
2
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0answers
17 views

Why do these objects appear to scatter across the screen?

I'm trying physics in blender for the first time. I have the keys set in a floating position, and I'd like them to rest as they would in real life. I've added a dynamic rigid body to each of the keys,...
0
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1answer
52 views

Body physics and jiggling for iclone characters

I want to bring my animated iclone characters into blender so I can add clothes and props and then render 3d VR. I want jiggling in the chest and butt for added realism but iclone characters have no ...
2
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1answer
42 views

randomize falling pattern of an array

I'm having some issues with the simulated animation from learning blender. specifically my arrays of 30mm vulcan bullets, they all fall too uniformly perfect. The tips come off all at same time and ...
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0answers
22 views

Rigid bodies animation failing to contain spheres within a moving box

I am animating a drone carrying spheres inside a container. I also have a turbulance force moving in order to give the effect of levitating balls. There is no gravity in the scene. The idea is to ...
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1answer
12 views

Rigid Body Unbalanced Weights

I have not seen a post about this on BSE yet. Is there a way to create a rigid body simulation with two connected objects with different weights? Think of a hammer or a mace. Naturally, the heaviest ...
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1answer
38 views

Hanging lamp attached to a cord animation

I am trying to make an animation showing a hanging lamp attached to a cord. I am quite at the beginning regarding to physics (and blender in generell). So I made a cord, put the cloth simulation on, ...
3
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1answer
22 views

Animate dog character with soft body physics “jello” legs?

I have a model of a dog character (unrigged) that i want to animate with legs that procedurally react to the keyframed animation of the torso. Essentially behaving like a marionette, with the main ...
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0answers
55 views

How to animate small fire flames

I am just starting with blender. So, sorry if my question seems dumb. I saw some videos on quick animations and I am amazed with it. However, fire animation seems not to work when I scale the domain ...
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0answers
19 views

How to limit the force field only on a specified area?

I want to apply a force only on particles in a specified area, so they go upwards in their path (see pictures). I tried to use a wind force field, but that seems to affect all particles no matter ...
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0answers
32 views

Realistic Barley Grains on a Potato Pc

I just started on blender i am curantly trying to create a realistic beer/brewerie themed scene. I have already made a pretty good looking beer and now i want to create a bowl with the ingredients of ...
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0answers
25 views

How can I make an object solid in walk navigation mode?

I am "working" on a building project and what I want to do is to make walls (objects) solid so when I am in walk navigation mode not be able to walk through them. Any idea how can I do that?
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0answers
16 views

Rigid Body in animation

I am trying to make a simple animation using Rigid body. I have a bottle and capsules, the capsules fill the bottle and the bottle falls, scattering the capsules. The problem is that as the bottle ...
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0answers
23 views

Smoke and Fire simulations problem

So, I've tried and completed at least 10 different tutorials for Smoke and Fire simulations. Some were for 2.8, some for 2.83, and now for 2.9 and so on. I replicate every single step the tutorial ...
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1answer
31 views

No animation after 250th frame [duplicate]

Iam new to blender. Iam making a dominoes falling animation. I have set start frame 1 and end frame 350 but after 250th frame it stops falling and there is no animation happening
2
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1answer
49 views

How to make a fluid simulation start from the middle of an animation and make the domain not visible until that point?

Using blender 2.9, I am trying to simulate water filling a vessel. I watched to some videos, like this one: https://www.youtube.com/watch?v=1YKDUPEZc1g&t=321s. Note that in this video, the ...
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1answer
22 views

Is there a way to see more physics setting for an object?

I was following a tutorial oh how to make a basic water simulation then I got to the part where I enable the domain's mesh and couldn't find the "mesh" checkbox anywhere. I seem to be ...
2
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0answers
25 views

Whats the best way to simulate/animate mesh/cartoon hair in 2.9?

I plan on doing full-blown anime style animations and do to this I need something flexible, for flying, running, falling, underwater, space, etc, scenes, but I have to have full control. I'm thinking ...
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0answers
25 views

Can't find smoke and color mapping options for Fluid Simulation Blender 2.9

I am trying to make an explosion with Blender Mantaflow, but I do not see the following in the Properties view in the Physics Properties: Color Mapping Smoke I am using Blender 2.91. Can you help me ...
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0answers
15 views

Add rigid body physics for an object with a modifier and keyframe

It is possible in blender to add rigid body physics for objects that have modifiers and are keyframed? Now the left object doesn't interact with the right object... Even if I check "Animated&...
0
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1answer
23 views

Where is the “Local Coordinates” option for Inflow Object? [duplicate]

I want to use an animated object to determine where liquid pours out from, but I cannot for the life of me find the option that dictates this... Previously this option was in Blender 2.79 So far, ...
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0answers
34 views

Geometry nodes and physics?

Can Physics be used in conjunction with Geometry Nodes (Blender 2.92+)? I have a attribute sampled plane using a scaled Cube as the point instance. I would like to apply a gravity (Rigid Body World/...
2
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1answer
26 views

How to make toothbrush Bristle animation

Hi all, I am a student and a newbie in using blender. I just know the basic for the modelling and animate with time frame. I want to make an animation for brushing teeth but I don't know how to ...
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0answers
20 views

Exploding rigid bodies

Good day to everyone! I know that lots of people asked this question, but I tried those solutions, and nothing changed. It still "explodes". When I started playback and in nearly 4 frames it ...
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1answer
286 views

How to achieve this destruction effect?

I would like to do something similar at this: youtube: Minecraft Block Destruction with Realistic Physics I have two questions: Can I handle a simulation like that or bigger? My PC is ...
2
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1answer
23 views

How do I apply the correct physics to a chain?

So I made these chains and a chain holder on the back of a truck but when I try to apply physics, every single ring glitches out going in random directions (sometimes blender just crashes). I just ...
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0answers
40 views

Raindroplet simulations

I’m currently working on a short film. I’m not an expert at Blender so I decided to ask for help here. I watched this youtube tutorial on how to make rain droplets: https://www.youtube.com/watch?v=...
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0answers
12 views

How to convert physics animation to a curve/path in blender 2.91?

I have a ball that moves by physical animation (wind). how to export physics animation for to a curve/path in blender 2.91. version?
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0answers
5 views

Psysics don't work in tracked scenes

I've already made plenty of Blender physics simulations in my life but when i try physics in a camera tracked scene, literally nothing happens. Always. All setup is the same as in other scenes but ...
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1answer
18 views

Particles not going down - Z Axis problem offset

I am trying to solve a particle direction problem, don´t know what I did but its not going down, I saved it and the next day this happened: it's not going down in the Z axis, it was looking like the ...
4
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1answer
179 views

How do I give a keyframed object a bit of vibration/shaking when it's at the destination point?

I made a robot with moving parts on it's body but when the parts move from the starting point to the ending point, I wanna give it some vibration like it moved with a certain force. How can I do this? ...
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1answer
21 views

How do i stop simulating rigid bodies past a certain point?

I just started using blender last week and I've been messing around with physics simulations. Right now I'm using Magicavoxel assets for a destruction simulation and I noticed that a lot of parts fall ...

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