Questions tagged [physics]

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

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Impact Forces in Blender Game Engine

I am using the blender game engine to run drop test physics simulations and I was wondering if there is a way to collect the force and impact data from the collision. Maybe using "appliedImpulse"? I ...
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5 views

Physics with an object made of several parts

I am trying to throw a die made of several parts that must stay fixed. The purpose is to get a realistic physical behavior. What I tried : The small parts have an object constraint : Child of set to ...
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1answer
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Jittering cloth when simulating

I have this problem where when the cloth plane falls onto the object (A smooth edge square)it jitters a lot similair to how elastic reacts when pulled and released. Im not sure what to do. Any advice?
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How to proper run a python script and a physics simulation simultaneously?

I'm trying to animate objects via script and simultaneously run a physics simulation, but it's not working correctly. The physics simulation is several frames off: The Setup is quite simple: I ...
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Anyone help me to accomplish this earth bending effect [on hold]

I want to create this earth bending effect in blender Plz can anybody replicate the same effect like in below URL: https://youtu.be/53zQIfhOiW0 My progress Thanks
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17 views

Fluid physics won't work inside hollow object

I'm really new to this program and just got into the physics simulations. I'll attach the blend file but this is the basic idea: I have a hollow apple with a bite in it that's floating above a ...
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27 views

Bottles with balls inside - Physics Simulation [duplicate]

I want to create in blender a realistic physic simulation with bottles that have balls inside, first example is created Blender and the second in another 3D software. How to create this simulation in ...
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69 views

Bottles with balls inside - PHYSIC SIMULATION

I want to create in blender a realistic physic simulation with bottles that have balls inside, first example is created Blender and the second in another 3D software. How to create this simulation in ...
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14 views

Make a Soft-Body to follow path

I am making a small tetris animation but the problem is that the blocks are not falling as they should. Sometimes they collide with the container walls and sometimes they do not land on the position ...
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24 views

T-Shirt Physics

Again, newbie here, so please be understanding. So, I've got a T-shirt mesh and I've added the solidify modifier to it. However, when I apply the cloth physics to it and the collision modifier to the ...
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1answer
35 views

How do you animate objects coming out of objects realistically?

I want to create some kind of monster, for a short animation. The creature should have a long claw hidden in its arm, that comes out when needed, a little like Wolverine. Modelling isn't the problem, ...
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19 views

How to push apart rididbody objects to avoid intersection?

I saw this image on Grayscale Gorilla and I know how to do this stuff in Cinema 4D. But I have problems to recreate it in Blender. What is the best way to clone objects to a volume and push them ...
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26 views

Rigid body corners

I don't know how to call this problem but while I'm simulating rigid body physics I noticed that as the cube falls and hits the corner of a block (especially when the cube is high) it merge some part ...
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35 views

How to fold cloth

I'm trying to fold cloth around a table to created a fitted look. I found someone who asked a question about pinning cloth to an object, which seems to do what I want, but there is a key difference; I ...
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31 views

Blender for Astroparticle Physics

Hello Blender Community, I work for the Pierre Auger Observatory, which is the worldwide largest detector system for ultra-high energetic cosmic rays, located in the Pampa Amarilla, Argentina. We ...
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24 views

Transform locks cannot be applied with keyframes

I'm playing around with physics and rigid bodies and I'm trying to make the cube bounce and slide inside a room with rotating walls. Unfortunately, these doesn't work very well. As the cube falls and ...
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1answer
23 views

How to correct cloth physics?

Alright, so I work in a print lab and have recently been asked to make some product models for our website. One of our products is a table cloth. I have made the plane the proper size and shape, and ...
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flame and smoke not rendering in cycles

Am using 2.79 (still). Using the 'quick smoke' with smoke+flame setting in cycles neither smoke nor flame are rendering, beyond a glow appearing on the object (a house) itself. They're appearing in ...
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17 views

Fluid being absorbed by a plane (cloth)

I want to make an animation similar to the gif, i want a drop (of water) to fall and to be absorbed by the cloth. I have the cloth texture and a fluid simulation with dynamic paint that creates the ...
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1answer
71 views

Have letters fall into place on plane

I want to have my letters fall and hit the plane, bounce and then land in order to spell words. How do I achieve this?
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16 views

Fluid domain floats in a cube?

I baked a fluid simulation with a cup pouring water into another, but there seems to be an invisible cube around the domain. It doesn't drop into the other cup for some reason. These are the physics ...
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1answer
44 views

Blender Collision Simulation Data

Is it possible to access data from a collision, such as point of collision and impact force? I am trying to simulate a "drop test" in Blender and cannot figure out how to access the information. As of ...
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3answers
46 views

Soft body not colliding with each other

I am trying to make an animation using soft bodies, but the problem is that they are passing through each other. I have turned on Collision in the physics panel. Thanks. Blend File
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1answer
25 views

Issue with certain mesh vertecies stretching away from bone physics chain

So i have these two loops that attach to the head of my low poly model but i found out that when I rotated the head certain vertices on the head mesh would stretch away from the bones. I thought ...
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1answer
19 views

Convert *.FBX to Solid for Physics Sim

I have downloaded a .fbx model from mixamo and import into Blender 2.80 beta without issues. However, I want to perform a physics sim with that model by draping a cloth over the model and unvealing ...
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26 views

Fire that turns to smoke

I want to make a stream of fire where drips of it fall off, and then it turns into thick smoke. How can I do that? .
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10 views

How to retrieve contact forces from impulse in Blender?

I am working on retrieving contact forces during a simulation in Blender, I wonder to know is it possible to retrieve contact forces from collision impulses calculated by Blender and if yes, I wonder ...
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1answer
24 views

How can I bake a rigid body simulation in 2.8?

I' am completely new to blender. I've read the manual, but it only explains what baking is, but it's not clear how to do the baking itself. In Cinema 4d it's as simple as going the the cache tab in ...
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28 views

Is it possible to create Edges from armatuer or bone locations?

I have these physics bones form ingame that i need to move using clothsim.. Usually i manually add vertices to bone location with different weights for pinning and use empties on those vertices to ...
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3answers
250 views

Set a camera to free fall like a Rigid Body?

I want to capture freely falling objects from their reference frame. i.e. to have the camera freely falling due to gravity in the exact same manner. Is there a simple way to make a camera free fall ...
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22 views

How to stop particle system clipping through other objects?

I've just recently gotten into using Blender, and this is actually my first attempt at a real scene. So sorry if this is a noob question.. If I wanted to stop the grass from clipping through the hat ...
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22 views

Rigid body objects interact with armature bone?

Is it possible in Blender to create an object (human + armature), rig it and make it to interact with other rigid body objects?
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18 views

bounce rigid bodies around inside a soft body?

So, I have a sphere, which is transparent, and a soft body. It is dropping onto a plane and bouncing. I'm trying, then, to fill this soft body sphere with miniature rigid body spheres. These, ideally ...
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0answers
41 views

How to Create Shaving Foam in Blender 2.8

I really need to create a shaving foam shot for my final university short film, if anyone can help me with some professional techniques here are the storyboard images : Thanks in advance, Best ...
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2answers
43 views

Rigid body physic simulation error?

I want to create an animation with a ball that hits a lot of boxes. The movement of ball must happen in a few fractions of a second > 5 frames: here is my blend file v2.8, same bug in blender 2.79 ...
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1answer
20 views

Particle system to individual objects with keyframes

i have this animation where the particles move from the bottom to the top and i want to delete all the particles that don't make it to the top, how can i do that?
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30 views

How to create this animation and make it dynamic to interact with rigid body - spline wrap?

I want to create in blender an animation similar with this one: I am wondering how could I do and if it is possible to interact with rigid body objects?
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Repeated frames in image sequence render

While rendering an image sequence in blender I encountered a problem: the sequence outputs as a series of repeated frames. Trick is that the frame is of a stationary ball and chain that is supposed to ...
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8 views

Making Objects Spin in Blender Game

I want to make a gear spin in order to make it push the other objects in the game engine. Is there any modifiers or settings that will let objects spin at a certain fixed speed and direction?
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63 views

Difficulty sewing different cloths together in blender 2.8

I've tried various techniques of attaching planes with different cloth physics settings together, but so far have not achieved the hoped for result. Straight linking overwrites the settings of one ...
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13 views

How do I make an object react to gravity while joined to another object?

So I'm making a cat of nine tails for an animation. I have a handle with a torus combined to be one object. How do I keep a secondary torus within an open space while also allowing it to react to ...
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1answer
39 views

Mechanical roller animation

I am making animations with rollers that move cubes. Here is a video I already made. I animated the cubes by hand... link to youtube video I am wondering it is possible to use physics to automate ...
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14 views

Mixing cloth types in blender 2.8

Is it possible to link together meshes with different cloth physics properties? For example, think of a mesh with silk properties to act as a liner in a leather cloak or ribbon streamers 'sewed' to, ...
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64 views

Rig behaving strange after parenting it to an object

Following this tutorial: How to make rig that reacts to gravity or seem to behave physically correct? I get the physics effect that I am looking for as long as I animate the underlying cloth. If I ...
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0answers
25 views

Is there a way of 'cooling' smoke over time?

I want to make my smoke simulation send smoke up, but eventually that smoke begins to fall, simulating the smoke losing thermal energy over the period of time it exists. How can I go about this in ...
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23 views

suspension with follow path constraint

just delving into physics in blender for the first time. I have a car following a path, everything's set up, drivers turning wheels based on the evaluation time, but one thing I'm struggling with is ...
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54 views

How to create a soft body simulation like this…?

I'm making the switch from Cinema 4D to Blender and I've got some problems with the soft-body simulation. I want to create an image like this: How do I achieve this look? Let's say I have a cube and ...
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20 views

Boid Particles come out above the mesh

I'm trying to keep the boid particles confined in between the double wall of the house (behold image) but they keep coming out above or next to the plane itself. When I move the plane away from the ...
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0answers
24 views

Repulsive force between many rigid cubes

In order to create repulsive force between the cubes in the figure below, I took the method of "Create a Force force field at the origin of cube and parent it to cube". Simple Python code was written ...
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1answer
114 views

Newtonian Size - Where to find in Blender 2.8

I am trying to change the size of my leaf particle through Physics settings in the Particle System. In older Blender versions there used to be the size setting right under Physics -> Newtonian. Or if ...