Blender

Questions tagged [physics]

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

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27 views

Improve silk cloth material when falling

I have generated a material (from my last post) and animated it to fall on and then slip off a green screen picture frame, but the material seems to have poor edges and does not seem realistic in its ...
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1answer
66 views

How to animate water dropping on ground in blender [closed]

hello i am a begginer in blender i am currently using blender 2.79b and i want to animate some water dropping on ground please tell me how to do this? Actually I want to animate like 3 or 4 droplets ...
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1answer
58 views

How to create a Sequin Sign?

Beginner here interested in recreating this sign. Would I just apply a physics collision modifier to a bunch of squares and use the wind force field to recreate the flickering effect of the sequins? ...
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1answer
33 views

How can I simulate thermoforming?

I'm trying to make a simple packaging shape : a sheet of plastic thermoformed onto a round-edged rectangle. I've already tried this : add surface > subdivide > select the flat thermoformed faces ...
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1answer
21 views

uv project from view issue

As you can see, below are screenshots. The first one came from this video https://drive.google.com/file/d/1X9loKHE1Mi0N3oCKVxh5Eg6KV7S6s7km/view?usp=sharing and on the right side is the UV editor. So ...
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1answer
36 views

Make only a part of the mesh softbody

I've been following this tutorial: https://www.youtube.com/watch?v=O5JtP8AZKhU&t=5s It doesn't address, and I cannot find any documentation on how to make only a part of the mesh a softbody. For ...
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0answers
38 views

Object forming patterns

Here is my file. It's 40mb, and I saved it compressed, so I'm not sure how it will look. https://drive.google.com/file/d/1X9loKHE1Mi0N3oCKVxh5Eg6KV7S6s7km/view?usp=sharing I saw this video last night ...
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0answers
18 views

Rigidbody not updating, and not deleting bake

I have 2 objects both with rigid body. One object is active, the other is passive. One active object should be moving after I hit the playback (as its done in the past). However, now the object is not ...
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9 views

Rigid body stops working when appending to another file

I have a googly eye model I made using rigid body setup in a blend file using 2 meshes (a glass case, and the pupil inside), each with rigid body on it and it works great. However, when I append it to ...
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37 views

Air bubble trick? [closed]

I'm not sure if this idea I have can be done, but I thought this could be better on my computer and render times. I wanna make a little vial and instead of filling it with fluid to animate a bubble ...
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35 views

rigid body physics not making contact (not resolved moderator)

To start off, this question might have been answered here (Rigid body simulation always has a visible collision space) but it didn't resolve my issue, so I am asking the similar question. When I ...
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1answer
78 views

Recreate this cloth effect

I like to try and improve my Blender skills by recreating images in 3D. So I would like to make an image just like this one. Or close enough. I thought about just laying them all on a table, but then,...
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1answer
44 views

physics gone wild

For some reason, the blocks are not dropping down due to gravity. Instead, once I hit play, they shoot off to the y-axis. I'm just trying to make the cubes drop straight down and land on the ground. I'...
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2answers
28 views

Cloth inflation error

I am trying to model a coffee pouch and below is a picture. Below is a mesh of what ive modelled so far, and the highlighted vertices are where pressure physics are applied to. (excluded vertices are ...
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1answer
26 views

How can I recreate this free floating/no gravity simulation?

I'm looking to create a very short animation of a number of objects in a kind of zero gravity/free floating situation like this... the objects need to collide and not pass through each other. Does ...
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0answers
19 views

How do i make Dynamic Paint use the deformed mesh normals?

I've been trying to use the displacement option from the Dynamic Paint physics modifier after an Armature modifier, but it seems that the normals used for the displacement direction are from the raw ...
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21 views

Drop rigid body onto soft body

I just asked this question and it was closed as being a duplicate of this question. However I cannot get the solution from that previous question to work (explain in more detail below). Also I don't ...
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0answers
17 views

Drop Rigid body onto soft body and leave an impression [duplicate]

I see that there are quite a few questions about soft bodies and rigid bodies interacting on here, but none of them seem to work for exactly what I want so I figured I'd ask. What I want to do I want ...
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1answer
8 views

Particles collision margin/padding

I am making a simulation with boids particles inside a mesh (I have applied collision physics to the mesh, inverted the normals and applied all transformations) and for some reason, the particles do ...
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0answers
23 views

How do I add collision for armature?

I have a hair mesh with an armature attached, and am using a plugin called wiggle bones to simulate the physics for moving the hair. However, the problem is the hair goes through my character mesh. I'...
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8answers
522 views

Snake Defensive Display animation

How one would approach this specific snake motion in Blender as shown in reference: Reference source Reference source The position of the snake visibly remains almost static while the body parts ...
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1answer
29 views

How can I make googly eyes with rigid body simulation, or constraints?

I am trying to get a bounce effects for googly eyes on my character. I have 2 objects set up, one hollow "glass case" and a cylinder used as the "pupil". I set up rigid body on ...
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0answers
23 views

My animated Rubics Cube does not react with rigid body simulation. (Blend file attached)

I am trying to create a self-solving Rubics Cube that reacts with ground, via CGI. Just like this video on youtube: https://youtu.be/2PGjTt4xkWM But the problem is the animation does not seem to ...
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1answer
20 views

How to simulate hair dynamics in slow-motion?

With cloth simulation, I can simply set the speed multiplier to between 0 and 1 to make the simulation goes slowly. What about hair dynamics? I couldn't find the same settings or anything that has the ...
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0answers
9 views

Sculpt Tool not working with cloth simulation

I have enabled cloth simulation onto an outfit and I have it moving with a different body. I noticed that some skin is showing as the outfit is moving with the body, so I wanted to go into sculpt mode ...
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0answers
11 views

Cloth object instantly jumps up upon starting the animation

First off, I realize this result could be attributed to 1000 different settings and so I'm not asking if someone can hypothesize about what could be the problem, I'm just asking if anyone happens to ...
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3answers
44 views

Using force field to move clamped objects (difficult task)

Some help from you blender wizards is needed I have a task to create dials for nearly thousand clock designs with different shapes, something like this (the script generate mesh from .svg and places ...
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36 views

Wiggle Bones Addon, Bones assigned as wiggle are not physics simulated

So as I work through my hair rigging, the latest bones i added and assigned wiggling to didn't get simulated. They just move as they would without the addon. The previous ones, though work fine. Here ...
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1answer
36 views

How to achieve soft body pieces squeezed inside of sphere effect like this?

I want to create something similar to this ad at around 4 seconds in: https://www.themill.com/work/case-study/samsung-notebook-plus2/ You see these balloon-like objects that seem to be squeezed into ...
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1answer
43 views

Geometry Nodes Collisons

I have a model that's made up of geometry nodes. They're intersecting. I want them to collide. What do I need to add to the node tree to make them collide? I tried following this, but I don't see a ...
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1answer
78 views

Creating a working cable car

I am trying to create a working cable car for an animation I am doing for school. I am new to blender and am just trying to figure things out as I go. I have attached a screenshot of the modelled ...
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1answer
49 views

How to create tube like hair?

Is there any way to create hair the way Ducky is in this video without converting it to a mesh? Or is there any way to add geometry to a hair particle system? I want to keep it as a particle system ...
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0answers
25 views

How to get the angle of an object at each frame

In an animation of an object how will I get the real time angle value for an object at each frame. Is there any command for that just like for the location ...
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1answer
27 views

Forward Ray Tracing in Blender?

In regards to accurate ray tracing in Blender, I want to find (ideally open source) software that can accurately simulate reflection of focused laser light from a metallic surface, using forward ray ...
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1answer
49 views

cloth floating effect? (Superman cape)

So above is what I am trying to do : I am trying to make a cloth that stays at the same position but sort of waves very slowly like that superman cape is doing, so that it looks like its levitating. ...
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0answers
10 views

Is it possible to add blender's internal physics onto a model/object and then export it and import it back into blender with physics still enabled?

I'm sorry if it's confusing, but I'm trying to see if I could use multiple models with blender's physics already (mainly cloth simulation) so when I already have one with like cloth simulation on it ...
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0answers
13 views

How to change texture when two meshes intersect?

I want to detect the intersection of two meshes, and when intersect, one of them change the texture, do you know how to do? Maybe python script? Thanks a lot.
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18 views

Why does changing viewport subdivision clear physics cache?

I have an object with cloth simulation. I play the animation and the simulation is cached (not baked): Then I change its Subdivision modifier's viewport setting: And the cache is all gone! The ...
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0answers
22 views

Delete part of a bake

I have some cloth simulation on a character. It works well until some clipping happens at Frame 30. Is it possible to delete the bake after Frame 30, but keep Frame 1~29 untouched, therefore I can ...
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0answers
28 views

Physic Simulation of copper Cable

I'm trying to model realistic physics of different copper cables in blender 2.92. My goal is to drop the Cables in a bin and see how they are deformed by collision. I already tried a cloth and soft ...
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0answers
19 views

Can the cloth simulation be made to conserve momentum and guarantee equal and opposite reactions?

The "Collision" and "Cloth" settings have to be enabled separately from each other for cloths that interact with each other. This makes it seem like they will also be evaluated ...
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1answer
53 views

What are negative frames for?

I noticed that one can extend timeline backward indefinitely. What's the purpose? Would there be any difference if I start my animation/simulation from frame -10 instead of frame 0?
3
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1answer
219 views

Mystic “gap” between a simulated cloth object and a collision object

I have this scene: The pillow is with Cloth physics (pressure=5), and the ball is with Collision (not a rigid body). But when I start the simulation, it ends up with: As you can see there is a gap ...
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1answer
58 views

Multiple Colors Flame + Smoke 1 Domain

Is it possible to have multiple objects that are emitting Flame and Smoke have different colored flame and smoke within the same domain?
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0answers
22 views

Dynamic Placement in Blender?

I saw this feature of Cinema4D here: Feature Can i do that in Blender and move objects that attract with each other without using physics modifier and apply it and that hard work, Is there a feature ...
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0answers
29 views

How can I only enable physics within a specific area?

All the force field types in Blender seem to only suggest they work through the entirety of the scene. What I'd like to do is restrict what is affected by the physics. If I had e.g. a turbulence ...
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1answer
68 views

How to reproduce this kind of bright effect animate on Blender?

I need help to reproduce this kind of bright effect on Blender, but I want to animate it as well, the animation could be it just turning around in circle. What do I need to search about to recreate ...
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0answers
16 views

Make Wind Force Field Only Effect 1 Object's Emitted Particles [duplicate]

I want each wind force field to only effect the particles emitted by the closest 1 of the 2 planes. As the file is right now, each wind source effects both plane's emitted particles. I want the top ...
2
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1answer
42 views

How to combine rigid body with cloth physics?

I made a bunny head mesh and i followed this tutorial to make the ears behave as I intended. Now I need a way to avoid the clipping between the ears and the head. I think I might be able to achieve it ...
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0answers
18 views

What is physics field absorption with a collision object for particles?

I have read this information https://docs.blender.org/manual/en/2.90/physics/collision.html#bpy-types-collisionsettings Does anyone have a better explanation in a few paragraphs? The question arises ...

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