Questions tagged [physics]

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

Filter by
Sorted by
Tagged with
0
votes
1answer
52 views

Why Is the cloth simulation on my model turning into spikes?

I'm not entirely sure how to describe this, but the cloth physics on my model seem to be going everywhere. My goal is to get the clothing to rest on the model. The character model is 1.6 meters tall. ...
0
votes
1answer
97 views

Why don't hair particles rendered as an object follow parent object when the parent object is falling under gravity as a rigid body?

I have an issue where i have a cube mesh, I create hair particles, and set the hair to render as an object, say a cylinder. I then enable rigid body physics for the cube. I also have a passive plane ...
1
vote
1answer
23 views

How do to use just edges as Compound Parent?

2.91 introduced a new collider shape called 'Compound Parent'. If I'm not mistaken the main idea is to have a low poly parent which acts as collider instead of the high poly child while calculating ...
0
votes
1answer
226 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 ...
1
vote
2answers
166 views

Legos falling into place and stacking up. Can someone point me in the right direction?

I am making an animation to be projected onto a wall at a theater. I need to make legos fall from the top of the screen and land stacking up to form a wall. After that I will have the Legos movie logo ...
0
votes
0answers
15 views

Blender performance not improving when disabling viewport physics but does when deleting it

I'm having a very simple problem. I'm using dynamic paint to create ripples on a plane mesh. Something perplexing is happening; when I disable the Dynamic Paint viewport icon (so that it will only ...
0
votes
1answer
31 views

Animate Soft Body Along Curve (Holding Form)

I'm trying to animated a shoelace along a curve that spells out a word in cursive. I know the simplest way is to just keyframe an offset along the curve but I'd like to have the shoelace being a ...
0
votes
1answer
141 views

Camera doesnt follow ball in tube (Blender Game Engine)

I'm trying to make a game where a ball rolls in a tube and hits several obstacles that triggers sounds. I vertex-parented my camera to the ball (so it doesnt spin as the ball does) I have several ...
1
vote
1answer
22 views

An object inside in another object with physics properties - rigid body

I am trying to create a physics simulation, but I not succeed... What settings should I use for rigid body if I want to create an object inside in another object with physics properties (rigid body) ...
0
votes
0answers
11 views

Cape stick into body using cloth simulation

I've made a cape for my character using cloth simulation. But the cape's edge stick into body since frame 11 and even climb up to whole arm afterwards. Does anybody know what's wrong with it? weird ...
2
votes
1answer
182 views

Physics Fluid Simulation Not Working

I've downloaded Blender for the first time, version 2.90.0. I've watched multiple videos on how to create a fluid simulation. I've replicated the steps and for some reason, it doesn't simulate when I ...
3
votes
1answer
48 views

Rigging complex mechanical shapes

I want to rig a small mechanical interaction between two pieces of metal. In theory it's simple: the upper leaver should get pushed up by the lower one (which is already driven) and then drop down - ...
0
votes
1answer
23 views

Physics: Rigidbodies sticking together and softbodies not retaining shape

I am trying to simulate a car crash in Blender 2.8, but during the simulation, several errors occur. The meshes seem to stick to each other, most likely the rigid bodies, and they will continue to ...
0
votes
2answers
27 views

Is it possible to make a displace modifier collide with other objects? if not, is there a way to make the food not go through the cooking pot?

I want to make the animation of the displacement to collide with the cooking pot, I already set the two objects with rigid body physics but it just goes through
0
votes
0answers
12 views

How to control scale of hair particles

I'm trying to make a scene with grassy ground, and I'm using a hair particle system to generate the grass. I'm finding it very difficult to control the size,position, and rotation of the particles ...
0
votes
0answers
9 views

Why do my hair particles disappear when physics is set to None

As detailed in this question, I'm trying to create a scene with a grassy patch of dirt and I'm having trouble controlling scale and direction. One of the bizarre relationships I discovered is that the ...
0
votes
0answers
11 views

Physics problem - floating object

I am testing cloth physics. But I have some problem. Why my object is floating in the air? Could you tell me how I can fix this please?
1
vote
1answer
16 views

Soft Bodies Merge Together During Animation

I am trying to get some soft body balls to tumble around in a rotating cube (like a square washing machine). Each time I try and animate, it's like all the soft bodies merge together into one blob. I'...
1
vote
1answer
176 views

Make softbodys squeeze through other objects?

I'm playing around with the blender softbody physics and am trying to recreate something like seen in this video (around 24 seconds). The sphere is squeezing through a torus-like shape. In blender, I ...
0
votes
1answer
54 views

When sculpting cloth nothing happens, object turns dark

I'm new to Blender and I'm following Blender Guru's tutorial on YouTube (https://www.youtube.com/watch?v=HlrgFS8AMMU at about 11:59). So far everything has worked according to plan. First I added a ...
4
votes
2answers
458 views

How to make an (open) object behave like rubber when penetrated by another

So uh i've got this problem with a penetrating object and another object that serves as something like a condom if you will So what I want, is for the penetrating object to not deform while moving ...
0
votes
0answers
21 views

Trying to Make Zero-G Manipulatable Liquid

I’m basically trying to find a way to control a fluid simulation, or something that looks like fluid, in a way that would allow me to have the fluid follow one point, but still allow it to deform ...
0
votes
0answers
28 views

How to create a liquid meniscus/bridge between two surfaces

I'm trying to model a water droplet between two plane surfaces such that it forms a capillary bridge as soon as the surfaces get into close proximity of each other like in the first figure of this ...
0
votes
1answer
104 views

Domain stays a cube when baking?

Whenever I bake my domain, it stays a cube. It does work when the fluid object is outside of a hollow obstacle I've placed it in. I've recalculated the normals, and tried resizing the domain, but ...
1
vote
0answers
16 views

Making a Toothbrush Bristle in Blender

I am taking the inspiration for this mini-project from a contest on freelancer.com. The goal is to create ONE toothbrush bristle in Blender that behaves (simulates) like a real bristle. No particles ...
0
votes
1answer
38 views

How to make a particle simulation like this?

So here is the reference https://www.instagram.com/p/CHijzp2gVt7/ I don't ask for like exact guideline how to make it, but if you can throw me a few steps or tutorials for something specific as this. ...
0
votes
2answers
56 views

How do I freeze a frame of a Mantaflow Smoke sim?

I have a 75 frame smoke sim (Mantaflow- made in 2.82 release version) , with noise baked on it- all good so far. Now- how do I freeze, say frame 75 and have the same smoke, static, for as long as I ...
1
vote
2answers
50 views

Setting particle emission at random keyframes?

I'm creating a physical simulation of apples falling into a box using the bullet particle system and Copy Particles to Rigid Bodies code by liero. However, the apples always fall in equal frame ...
0
votes
2answers
81 views

Armature physics

I'm trying to add physics to this armature so that it will be able to swing when it is moved. Does anyone know of any tutorials or solutions? (Images are to demonstrate how the mesh is supposed to ...
0
votes
0answers
15 views

I have two objects, and want one to be cell fractured at the beginning and the other after some time

I made an animation in which the sad characters head falls down and breaks into pieces, and then his body is shattered to the ground, but when I cell fracture them, they both break at the same time, ...
1
vote
1answer
99 views

Make parts of body mesh go through clothing mesh during simulation?

I have a walk cycle set up on my model but when her hands pass her body they also affect the skirt she's wearing which messes the skirt physics up in ways that would be better if I just had her hands ...
0
votes
0answers
13 views

Blender 2.8 physics simulation with python

I want to simulate gravitational bodies, like planets orbiting each other and whatnot. Is there a way to do this in python or any other way? Thank you! Specifically, what I want to do is for each ...
0
votes
1answer
529 views

How do I make dynamic 3D-printable hair?

I am trying to make dynamic hair that can be 3D-printed. It needs to be physics-enabled (so some kind of particle system, maybe?) and, through some kind of transformation, needs to end up as a single "...
0
votes
1answer
123 views

Can't seem to bake fire animation?

I am new to baking and animation in general, but I was in the process of trying to add a basic fire/smoke animation in Blender 2.82. In the process, I create my smoke domain (using quick smoke) and ...
3
votes
1answer
2k views

Mesh with cloth simulation not responding to wind

I came across a model of a boat, and I tried to add some wind and cloth simulations to the sails and flags. The sails respond to the wind, but the flags do not, they just fall. In both cases I ...
0
votes
1answer
145 views

Exporting a Wet map image in Blender 2.8

Yeah I know how to export a wetmap in Blender 2.79 but I do not find the option in 2.8. I'm talking about the physics tab in Dynamic Paint there used to be an option to save your wetmap. In 2.8 that ...
0
votes
3answers
307 views

Cloth simulation doesn't work for particular object

I'm trying to follow this tutorial: https://www.youtube.com/watch?v=1bGB-EePxWI But when I apply the cloth modifier and playback, the object doesn't drop as it generally would I'm pressing playback in ...
1
vote
2answers
63 views

Rigid bodies keep bouncing

Can anyone help with the following: I have a rotating frame with cilinders. the cilinders keep bouncing. Also, when there are more cilinders they will bounce even more, and even fly out of the frame. ...
2
votes
4answers
279 views

How to make a physics simulation permanent

I have a bed of pebbles that have been physics simulated and are now in a resting position: I want to append this to an architectural render I'm working on. When appending, the pebbles go back to ...
3
votes
1answer
214 views

Spiral rotation falloff within a particles system

I am trying to model arrows arranged in spiral manner. The effect I want to achieve is similar to the one in the picture: Essentially, I want to have the arrows rotate and tilt inwards in a radial ...
1
vote
1answer
53 views

Mantaflow - creating smoke out of fluid particles

im trying to implement mist in my water scene, to do it im trying to use spray particles as a way to generate gas, but yet didnt find a way for it to work. I know it is possible in FLIP Fluid addon ...
0
votes
1answer
821 views

Can you make particles affect a rigid body?

I am trying to crumble a block like in the gif below. Is there a way to have particles act like bullets and crumble the block? - Here I have just animated some spheres to try and do the same thing. ...
0
votes
0answers
24 views

How to attach an object to a cloth simulation

I created a rope and added a cloth simulation to it, it works as it should. But now I need this rope to attach with another object. Let's say I have a ring and I inserted this rope into the hole of ...
1
vote
0answers
20 views

How do I rotate an object in an anti gravity simulation?

I am creating a shot where: gravity is turned off multiple objects are "floating" in space a few objects collide with eachother each object has it's own forcefield in order to propel it ...
1
vote
0answers
15 views

how to make a rigged model move a rigid body object

I have rigged arms in a scene and I have a ragdoll. and I want to animate the hand so it can slap the ragdoll around. but when I keyframe the hand to go to where the ragdoll is standing the ragdoll ...
16
votes
2answers
7k views

What is the technical difference between softbody and cloth simulation?

They are definitely different, but soft body simulation is very slow compared to cloth.. why?
0
votes
1answer
53 views

How can I make different particles follow many curves in same scene?

How can I use 8 curves having Force and Curve in physics panel? Notice that Curve Guide is 4 time slower than Force and Curve.
2
votes
1answer
94 views

Understanding rigid body physics

I'm following this great tutorial https://www.youtube.com/watch?v=1gM8yEMFMjg to learn how to fill a mesh with a particle system but am having trouble replicating the simulation (at 6 min 50 sec if ...
4
votes
1answer
1k views

Baking multiple objects to keyframes resets their orientation by their origins

I made a breakable object and the simulation is fine. But when I bake the simulation all the pieces of the breakable object just stack in the same place in space. The pieces are driven by a cube the ...
2
votes
1answer
44 views

make a body fall into place

I need help in doing a (probably) very simple animation. I want a body to free-fall into an exact location and angle. I've already arranged the "rigging body" physics for the gravitation ...

1
2 3 4 5
31