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

2
votes
2answers
103 views

How to make an object appear and disappear repeatedly in a certain area?

I am animating an atom and I don't want to use a Bohr model so I am trying to make radials. For this, I need to define a boundary, and then have an electron (shown as a sphere) to appear and disappear ...
0
votes
0answers
11 views

Make solidifed mesh follow the mesh in front of it

So basically I did a cloak for a character I'm working on. I solidifed them, so that they don't look like planes. But when rigging it is creating weird deforms, sticking through itself and is totally ...
0
votes
1answer
30 views

Cannot run simulation for smoke and fluid

I've been trying to render smoke and fluid simulations, but can't manage to get the results I'm seeking. The first problem is that the smoke and fluid don't simulate. The second problem is that the ...
0
votes
0answers
20 views

How to move more objects in a coordinated manner with the particle system

Hello to every blender user. I'm trying to configure the particle system because I want that it generates a certain number of cars that should follow a curve. I have different types of cars. Here's ...
1
vote
1answer
22 views

Fluid simulation sticking through mesh

I'm having an issue with my fluid simulations. I'm a beginner, so I might be missing something obvious. I'm trying to fill up a cup with water, but the liquid is behaving very strangely (see below). ...
0
votes
1answer
28 views

Changing Physics of Waving Flag in Python

I have created a Blend file of a flag waving in the wind. This is done using a Wind Field and the Cloth physics attribute added to the flag mesh. The animation renders nicely in the Blender API using ...
0
votes
0answers
19 views

How do I get rigid body activation to propagate through a set of rigid bodies?

I have around 3K LEGO bricks tied together and I made them all rigid bodies (active RB). Is there a way to control the way they "activate" and start the simulation? For example, if those bricks are ...
1
vote
0answers
17 views

Combining two different physics in one object?

I would like to create a fixed cylinder made of a non deformable material, for example steel, which has a membrane at its bottom, rubber or so, which is nonpermeabel. If I fill the cylinder with a ...
0
votes
0answers
21 views

Fluid Simulation

I'm totally new to Blender and I want to use it to import a fluid animation into Keyshot. I have been watching this YouTube video from Olav3D, and for some reason I cannot see any fluid after baking. ...
0
votes
0answers
10 views

How to prevent components fall apart during simulation?

Here is my file. It contains a small robot with some constrained joints (head, front leg, rear leg) When I turn off gravity and start simulation (animation with rigid body world), the components of ...
0
votes
0answers
144 views

How to create a plasma shot? [closed]

I need this for animation.if you know how made anwser or give link for tutorial?
5
votes
2answers
70 views

Convex Hull as Mesh

I would very much like to get the Convex Hull (of the Rigid Body Collision shape) as an actual mesh. Is there any way?
1
vote
1answer
30 views

Rigid Body Mesh Collisions: Objects falling through each other

I have a scene that I need to run simulations on, and quite a few of the collision shapes need to be set to mesh. This works fine for most objects but there are some that are acting weird, basically ...
1
vote
0answers
10 views

How to turn off force fields for rigid bodies?

How can I switch off a certain force field for only some of my dynamic rigid bodies in the scene without keyframing “Dynamic” and have the objects which were affected by force field still interact in ...
1
vote
1answer
56 views

Blender 2.79 smoke simulation, domain rendering as solid cube

I'm creating new file by reloading Blender Start-Up file (Ctrl+ N) moving default cube a little higher, then apply Object > Quick Effect > Quick Smoke. I can start simulation and see smoke generating, ...
0
votes
0answers
19 views

Physics and animation with timing

Okay simply I want two object to come together(animation) and then one of the objects starts swinging(physics). I can make the physics (the cylinder swings from it's pivot point) work with no problems ...
0
votes
1answer
43 views

Particles don't follow curve

I'm trying to create a traffic simulation with the particle system. I want to create a lot of cars that walk along a path...I'm just following this tutorial : The problem is that when I setup the ...
3
votes
1answer
459 views

How do I enable Mantaflow in Blender?

I have been using the internal Blender fluid system for a while now and it has been very frustrating so I'm hoping it'll be better with Mantaflow. How do I enable Mantaflow in Blender?
0
votes
2answers
29 views

Slow soft body physics causes the animation player to stop

I just started using Blender. I'm trying to roll a ball running down a long pipe. Just letting the soft body physics run drops down the fps in solid view mode under 1 fps , which causes the ...
4
votes
1answer
53 views

How to enforce planetary gravity on fluids?

I'm trying to make a scene with a few small planets, but when I went to make a lake/river I couldn't find any options to have the fluid's gravity be relative to a point (aka the planet's center). I've ...
0
votes
0answers
18 views

I need help with inflow fluid simulation

I've been trying to make this mesh become an inflow fluid simulation ("this" links to a video of the mesh when I add the simulation). But the water is too fast and when the mesh moves up, the fluid ...
2
votes
1answer
56 views

How to create a cable/wire for animation?

So I've created a "noodle" with a path and a bezier Circle that has soft body so that when I click play it will drop and flop about. What I'm trying to do is have one of the cubes stationary while ...
0
votes
1answer
28 views

Fluid Simulator: odd behaviour. Cache problem?

First of all: I am new to Blender. I installed it today. After a few basic things I wanted to try out the fluid simulator. The first simulation worked fine, just like in that tutorial. The simplest of ...
1
vote
0answers
15 views

Soft Body physics destroys vertices

I have two slightly overlapping meshes and I want to use soft body physics solve the overlap between them. Most of the time this works fine, however I'm finding that occasionally it goes completely ...
2
votes
0answers
34 views

Smoke/Liquid Ignoring collision object during simulation

I’m fairly new to Blender and modeling in general, and I’m running into trouble with running simulations (smoke, fire, liquid, etc). I’m trying to produce simulations to be used in a projection ...
1
vote
0answers
15 views

Get location of keyed particles

I would like to know if its possible to get particle location, scale, rotation of particles used in keyed physics settings. I've tried using location, but I believe this is only the location of the ...
0
votes
1answer
31 views

Cloth physics for poly hair and armature

I have an armature for the body and then modelled the hair. By following this tutorial (https://youtu.be/c11l2o5uCQs) on how to add cloth physics by using verts and ik modifier, the hair bangs are ...
1
vote
1answer
25 views

Exclude pinned vertices from physics simulation

I have some meshes that slightly overlap in a couple of places and I'm using Blender's soft body physics to separate the meshes in the places that they overlap. I use dynamic paint to weight the ...
1
vote
1answer
48 views

How to make Daredevil dripping wax using liquid simulation [closed]

so i was wondering if anyone knows how to go about recreating the dripping wax effect as seen in the intro in the Daredevil show. Check out the intro: https://youtu.be/KFYFh8w4758 if anyone know i ...
1
vote
0answers
20 views

How can I get or calculcate the acceleration of animated rigid bodies in an animation?

I'm trying to simulate IMU sensors in a Blender animation in order to generate data. Specifically, I've parented (using 3-vertex parenting) mesh cubes to a human body mesh, which I've animated using ...
1
vote
2answers
55 views

Flow water from one Object to Another

I'm fairly new to Blender but have done a fair few tutorials and starting to get my head around things. I've recently watched a Tutorial on Water Physics and had no issues following along and have ...
0
votes
0answers
25 views

Quick question about smoke collision

I'm currently making a low poly desert island for college, which has a volcano and smoke that emits from the top. I've set up a cone at very top facing down, which works as a collider, so the smoke ...
0
votes
1answer
19 views

physical weight on rigid complex object

I am not new in Blender but in rigid physics. How to get a pendelum swinging down / rotating around the axis in case of model weight?
1
vote
1answer
115 views

How to make an interactive two-finger robot gripper and grab things with it?

I am trying to make a two-finger robot gripper. The grippers use soft body physics and my goal is to move them towards an object in the middle of the scene to just grab it by pressing the grippers to ...
0
votes
1answer
12 views

Turbulence particles not working?

Ok, Im trying to mimic the "firefly" particle systems available in unity, where the particles "glint" but more so move around in a swarming way: https://www.youtube.com/watch?v=9O5XU_jshBU Ive just ...
0
votes
1answer
87 views

How to run physics simulation frame-by-frame using Blender's Python API?

In my scene, I drag some of the objects and move them around while the physics is running (Alt+A). This means that the physical interactions could be quite different every time I do start the physics (...
0
votes
0answers
11 views

Animate Meteor Using Cell Fracture Addon [duplicate]

Hi! I'm experimenting with the Cell Fracture Addon to create a meteor animation. But after fracturing the main object into small pieces, i found out that i have to keyframe every single "animated" ...
0
votes
0answers
4 views

How to handle simulations/particles/meshcache frame ranges when tweaking animations on timeline?

I tend to forget to add/substract delta frames to these ranges when moving keyframes on the timeline. Especially when there is a lot of objects with such option. Typical situation is when I need to ...
0
votes
0answers
13 views

Copy only Animated key to multiple meshes [duplicate]

Ok, I have an object a country, where I have in the middle one mesh that I´m using a force field to expand and make the other objects translate from it´s positions: Prior to this physics I´m using ...
1
vote
1answer
63 views

How to make a specific area of a soft body behave like rigid body (or vice versa)?

Is it possible to make a part of a soft body mesh behave like a rigid body without pinning the vertices of the object? For instance, following this answer I painted some of the vertices of the soft ...
0
votes
1answer
9 views

rigid column and bean not falling correctly

I created a column tied to a beam that should fall over because of the weight of the beam, however, as seen in the linked video the column falls, but does not topple over. I tried changing the "...
1
vote
1answer
97 views

How to move a soft body object in the scene towards a “goal position” while physics is active?

I have a couple of soft body objects in a scene sitting on a plane. My goal is to smoothly move one of these soft body objects towards a goal position smoothly while still having its 'base' anchored ...
3
votes
1answer
37 views

Use skinning and cloth simulation at the same time

I created a skinned animation, but I have no idea how to make use physic simulation and skinning for the cloth at the same time. When I use skinning, physics doesn't work, when I use physics, ...
0
votes
0answers
18 views

Why is my Blender Game Engine character's collision box size stuck; and how can I fix this?

I'm having a problem with physics in the Blender Game Engine; I have a character whose default pose in game is simply standing up with its arms at its sides but its collision box works as if it was in ...
0
votes
1answer
102 views

How to [dynamically] pin soft body objects to another mesh?

My goal is to use the Armory addon to move the two soft body meshes to interact some rigid bodies in the scene. For example, I want to apply forces the soft body objects to bring them closer to each ...
0
votes
0answers
16 views

Cloth won't collide with collision object? But worked with a cube?

Ive watched all the tutorials but clearly Im missing something on how cloth collisions work - Im trying to make clothing, so I have my collision object (body) and cloth plane (subdivided many times) ...
0
votes
0answers
11 views

How to port a smoke simulation folder over to the render farm?

I hope you can help me out with a question: How do you correctly setup your smoke simulation of 10 frames .blend scene to send it to the render farm services? Let´s say the farm has started to ...
0
votes
0answers
19 views

Editing and animating properties of multiple objects

So, I have a shattered figure using cell fracture and now I have a lot of objects. My question is how I could animate a propertie like visibility of all the objects at once, because doing it one by ...
0
votes
1answer
24 views

Object Physics Don't Work for Rotation

Alright: I'm new to blender and for the last several days I've been struggling with a problem with the rigid body physics. Here's how it goes: Open new blender project Change to cycles render Import ...
0
votes
0answers
37 views

How to simulate blustery hot air & cold air in Blender

I want to see the behaviour of hot & cold airs against each each other. In one experiment, please try cloud particles with hot & cold airs. In another experiment without clouds, please use ...