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Questions tagged [physics]

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

2
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1answer
27 views

How to improve the accuracy for a rigid bodies

How can I keep the objects from intersecting or passing through one another in rigid body simulations? I have checked the normals applied all transforms for scale, position and rotation set Origin > ...
-2
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0answers
30 views

How to make animate like rotate? [duplicate]

I mean When I animate I want plane behave like rotate and I want to observe falling of cubes on it. I mean I want plane one side active one side fixed and cubes passive . When I animate I want observe ...
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0answers
17 views

If I bring another character into the scene with the character, hair rigid body is released

If I use append to import a Y character into a scene that has a Z character, there is a problem that the rigid body of the Y character's hair are released. How should I solve it? On the contrary, if ...
0
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1answer
11 views

unexpected motion

I downloaded an open source character in order to use it in a Blender Game. This character contains a body and an armature. The issue is : when I put physic type as character and run Blender game ...
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0answers
14 views

make an object's z axis parallel with another object's normals

I have a ball that's rolling around in a bowl, randomly, using rigid body physics with the rigid body motor constraint motor on the ball making it roll around. I've put a cap on the ball by ...
0
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0answers
14 views

Blender Physics [on hold]

I will like to know if anyone is working on blender destruction and simulation physics. Am asking this because I see other softwares making improvement in this field. Examples: 1. Tyflow-3dsmax plugin ...
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0answers
20 views

The hair bounce on the rigid body is too severe

The bounce is too much when the hair hits the clothes. I want to reduce the bounce, but if I change the settings for 1-2 hours, the bounce is still severe. How can we solve this? Here is the ....
1
vote
1answer
19 views

Objects pass through their moving container's walls during rigid body physics

I want to create an animation using rigid body physics, but I encounter this problem..., the objects pass trough the wall... What settings should I apply? I checked the normals, the scale, object ...
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0answers
18 views

Why is my fluid sim is phasing through the obstacle?

I was trying to do an experiment so that my fluid would stick to a surface in little droplets (i.e. like water when it touches most surfaces because of intermolecular forces and surface tension). ...
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0answers
6 views

Forces/Variables in Blender Physics

Is it possible use blender physics for experiments, for example, measuring the impact force of a ball falling on a surface? I can't seem to find a way to extract data from blender. Thanks
1
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1answer
121 views

How can I create a soft, fluid filled pod that can rupture?

I was watching a trailer for an animated short film and there was a moment when a green pod split open and a person fell out, along with a bunch of fluid. I've set up the link so it begins on the ...
0
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1answer
12 views

Fluid increase speed over time

I have my fluid physics setup like so How can I increase the "speed" over the course of the animation? I'm trying to mimic a garden hose being turned on.
1
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1answer
37 views

Soft Body Object gets sucked towards collision object

My goal: Having the animation of a dog character affect a pillow it is laying on. I enabled soft body for the pillow. Disabled gravity and Soft Body goal I enabled collison with default settings ...
0
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1answer
21 views

how to generate more “gusts” of wind with the wind force field?

the noise amount is on max but i'm still not able to get the quick short random bursts of wind i'm looking for. is there a way to increase this amount or a better way of achieving this?
0
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1answer
27 views

I would like to make a water cube however I would only one plane/surface to have the water simulation active

so the title pretty much sums up what I want, the simulation I would like to have should have water physics/movement on the top plane of the cube while the side plans would follow the movement/physics ...
0
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1answer
24 views

Can you put Multiple physics simulations in one scene simultaneously?

Trying to add multiple smoke simulations running at the same time in 2.8. but only one will render at a time
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0answers
14 views

Mesh errors with soft body goal

Hello Blender Community, I am currently working on more complex rigging involving muscles and fatty tissues. I am trying to create a belly that jiggles. :) My method of trying to obtain this has been ...
3
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0answers
27 views

How can I make a silky, wispy smoke effect?

A while back, I asked a question about how to make an effect of blood in the water. No one answered, so I assume that the question was too specific. I've elected to delete that post in favour of a ...
1
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0answers
23 views

How to animate mixer / tumbler in blender

Hi Blenderers, I want to animate a cube containing "beans" , how it rotates on one axis like this https://www.youtube.com/watch?v=Qhwm5pEBVfU I made my model with physics but when the beans fall on ...
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0answers
42 views

How to make rope animations without physics

Hey guys, I have a animation from mixamo and want to combine it rope which I created but I have no clue how to do it. I made all rope animations tutorialbased physic but I think collision problem ...
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0answers
32 views

How to improve the physics simulation with shape mesh objects

I have been struggling for almost a month to create in blender a physics rigid body scene. I'm having difficulty when I set the shape to mesh for a rigid body object. I found this post here: Tips for ...
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0answers
29 views

Infinite Bounce

I have made a soft body sphere that bounces of a plane. Like in real world the sphere bounces back not as high as it has been dropped from. Is there a way that the sphere bounces back to its original ...
1
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2answers
99 views

how to build a carriage that reacts to an uneven ground

Dear Blender Community, i would like to build a very simple carriage kind of vehicle, that is simply pushed or dragged over a surface and has the possibility to react to it. My first idea was to use ...
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0answers
53 views

How do i animate a sphere, that behaves kinde like slime, that gets thrown/fired and explode, when it hits something?

EDIT: So, im working now on a new animation and i need help. I want a sphere to behave kinda like slime, it is supposed to hit a certain place and explode there. With that explosion, it has to cover ...
0
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1answer
22 views

Is there a way to limit the number of CPU Cores used for physics baking?

Is there a way (in Blender) to limit the number of CPU Cores used for physics baking, like you can with rendering?
1
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1answer
17 views

Why can't I see the Physics button on the world panel?

I'm starting to make physics in blender, but when I was going to edit the parameter "gravity" on the "World => physics" button, I found it nowhere! Can someone please help me? What can I do? I need ...
9
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2answers
135 views

Pointy meshes pierce cloth sim. How can I get around this while also keeping the physical qualities of my cloth (e.g. mass, stiffness, etc.)?

Pointy meshes pierce cloth sim. How can I get around this while also keeping the physical qualities of my cloth (e.g. mass, stiffness, etc.)? Here is a simple example of the problem I'm having: I've ...
1
vote
1answer
32 views

Object physics not working when moved with armature?

I'm a complete novice when it comes to doing anything other then making basic models in blender so if there's a simple solution to this i'm sorry I didn't figure it out already. I've been working on ...
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0answers
22 views

How to avoid resetting particles when the emitter is moved?

While going through this tutorial (https://www.youtube.com/watch?v=I0Tz1U6A5vI&t) at about the 9 minute mark he moves the object that is emitting particles while the animation is playing. When I ...
2
votes
1answer
34 views

How can I make scene with multiple gravities going in opposite directions without using a force field?

I'm making a scene with multiple gravities affecting different objects that can interact with each other (those gravities are going in two different directions so I can't just cheat by changing an ...
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0answers
18 views

Coat Clipping Through Mesh and Hair Issue

I've tried everything to fix this, but the Rigid Bodies on the coat don't seem to want to work properly and clip through the legs of the mesh. Also, the hair moves incorrectly rather than naturally. I'...
0
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1answer
54 views

How to apply a force via python to a rigid body wheel

I have set up a simple car like model in blender 2.8 I have now set up a rigid body so I can simulate simple physics Main Block - Active Rigid Body Wheel - Active Rigid Body Empty - Rigid Body ...
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0answers
20 views

Plugins or softwares for efficient rigid body simulation

I need to strew 100'000 coffee beans in one coffee sack. If I do it with stock blender possibilities it would be forever to bake. So maybe you know plugins or software that can do it more efficiently, ...
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0answers
18 views

Can u make a character temporarily float?

How could I make my character float temporarily after a jump using logic bricks?
1
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1answer
58 views

How can I make hair that looks like it's flowing in water?

I want to make a scene featuring a killer mermaid. I've run into two big issues: the flow of the hair and the effect of her prey's blood in the water, though I've put the blood thing into a separate ...
0
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1answer
26 views

how to reset dynamic/physic simulation at frame other than 0?

I have a dynamic (rigid body) simulation, but my animation range is from frame 584 to 716. So i don't start from frame 0. The problem is i can't start the simulation because i have to go to frame 0 ...
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0answers
27 views

How to add initial velocity to a rigid body object? [duplicate]

I want to simulate flying knife (rigid body) then it fall down and hit the ground/floor. How to give the knife an initial velocity to make it flying ? I can't find the setting. Thanks
0
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1answer
19 views

BGE: Getting rigged door mesh to update for collisions

I set off to create a rigged door, thinking a single mesh object with moving parts should be easier to manage than having each part as a separate object - especially once there are a large number of ...
5
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2answers
243 views

How to push a box with physics engine by another object?

I want to push a box by an animated character in Blender 2.8. First I tried to animate the box by keyframes but this looks very unnatural. I think this will look ...
0
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0answers
29 views

My cloth simulation decides to implode on itself

Whenever I start the cloth simulation, the cloth just decides to implode on itself. I tried - Disabling/enabeling the self collision - Disabling sewing springs by creating a cloth that already fits ...
1
vote
1answer
23 views

Hair physics and/or particle edit with particles rendered as objects

I'm trying to make a creature with feathers and therefore will be rendering hair particles as an object. However, I would like the particles to be able to be combed/ react to gravity ect. It seems ...
0
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0answers
15 views

liquid texels visible through glass - any solution? [duplicate]

Successfully filled a glass with wine, and the liquid (wine) creates a nice smooth skin on top, but!... the bottom of the wine, which is also visible through the glass, doesn't bother to smooth out, ...
3
votes
1answer
98 views

How to fix this physics problem?

Hello everyone, How to fix this physics problem, the objects pass trough to wall. I increased the Steps per second and Solver iterations in scene settings > Rigid body world. Also, I set the shape to ...
1
vote
1answer
50 views

How to make liquid boil

Super simple premise, but can't figure it out. How do I make a spitting boil, like lava or another thicker liquid? Thanks in advance
1
vote
1answer
48 views

How to create mesh after applying physics

I want to create a landscape consisting of many fallen cubes, say a large cube pile. Is is possible (and how) to make this by first creating a large 3d grid of cubes using the array modifier, say ...
1
vote
1answer
30 views

How do I change velocity in the Fracture Modifier?

How can I reduce the velocity and change the direction of the of particles in fracture modifier? I need to make it more realistic and remove a mess after collision. Could someone tell me where is the ...
2
votes
1answer
103 views

Can this be done by physics in Blender?

I saw this and I'm trying to figure it out how can I make this by physics features. I tested some different ways, but since I'm not advanced in this feature of the blender, I want to ask you if it's ...
0
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0answers
10 views

Hair dynamics to normal map

I was wondering if this is possible in Blender. I want to animate a dog with hair dynamics enabled so that it looks realistic, but my laptop can't handle it. Is there a way to bake a normal map of the ...
0
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0answers
20 views

hair dynamics making my particles system float in air

whenever i check the hair dynamics box it make my grass particle system fly around the scene. ive tried replicating this in other blender files with hair dynamics checked and it works just fine. not ...
0
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0answers
24 views

Problem with simple motion with constant acceleration

I find problems in the Blender physics engine even in simulating simple fall of a sphere. I probably have done some setup wrong because i've also tried bullet engine stand-alone and it works better. ...