Questions tagged [collision]

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18 views

Weird distortions when rigged object collides with itself

I've got this shape that I've rigged that I want to grow up and fold out like a branch. But whenever it collides with itself I get what looks like faces forming between them. Why does this happen and ...
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1answer
12 views

Adjust physical bounce of the emitter particles

I have set collisions for the object, but when the particles collide and bounce back, they look very rigid: how can I make it look more natural (like sparks)? Image (click for higher resolution) ...
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1answer
30 views

Collision not working after moving armature/setting different pose

I have set up low-poly collision objects for the beard and the body. Both are parented to the armature with automatic weights and in the rest pose the collision is working nicely: However, after ...
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0answers
8 views

Collisions work in viewport but not when rendering [closed]

I have a basic animation set up where two ico spheres explode to create a confetti look. I used the "F3 - explosion quick tool". In order to direct the explosions so that they would look ...
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1answer
216 views

Replace object with another on collision

I'm trying to make a grass cutting animation. A blade rotates and when it collides with grass, I want to replace the grass object with the sliced variant. I tried the particle system with 'die on hit' ...
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1answer
72 views

Having an issue with mantaflow fluid simulation with flow object inside of another object

So I am working on a model currently of a banana being cut open that I am trying to make have blood come out when it's cut. I have animated the object being cut by swapping out the whole object for ...
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0answers
23 views

Collision not working for only one object

I'm trying to make the blanket in the Couch Tutorial (Blender Guru, How to Make a Couch, Part 8), but although every part of my sofa has "Collision" turned on, the side of the sofa is not ...
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1answer
29 views

Object A make Object B expand on ingoing and then shrink on outgoing

I like to create a animation where a "bullet-like-objekt" hits an object ("cube") and then the object shall expand from the bullet. And when the bullet goes through the object ...
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2answers
99 views

Make particles stay on Plane

I have created a particle effect that is influenced by a vortex. Now I want to create a plane that is the parent of both of these object. That way this plane controls the orientation of the emitter ...
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1answer
62 views

How to avoid tube overlap in rigid body simulation

I created two tubes by Bezier curves and add sodify modifier to them with a small thickness. And add rigid body and collision to the tubes. I check the normals, upscale the steps per second and ...
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1answer
44 views

Improved explosion: possible to nest smoke domains and apply them to mutually exclusive emitters?

I've been following an explosion tutorial. Blender's quick smoke results are very impressive but I'm trying to mimic artillery explosions I've seen on youtube in several places. In particular, I've ...
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0answers
9 views

Hair Dynamic Issue: Animated Mesh

I've got an issue in playing the walkcycle animation of a full-body-hair-particle-model. I tried to bake it without collision but then the particle system stuck somehow and doens't move properly to ...
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0answers
4 views

Dynamic Hair not colliding with mesh

I have been working on simulating hair and cloth on this model. The Headscarf in the image is a cloth with collision physics and works perfectly. The hair have dynamics enabled but they pass through ...
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1answer
29 views

Having a collision object. How to kill particles from a defined source?

I have two independent objects (P1, P2) with particle system on each of them. I have another object (C1) with collision and option kill particles enabled. Is there a way to configure C1 so that it ...
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0answers
33 views

How to make a decent hair scalp so that the hair from it does not go through body?

Method I: make a scalp and generate hair from the scalp. But the problem is that the hair will go through the body. And enabling Deflect Emitter or Collision on the body does not solve this problem. ...
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1answer
26 views

Tube Deformation Animation with Pill Passing Through

I'm making a medical video featuring a robotic pill passing through the human digestive tract. The animation features the pill sliding down a cross-section of the esophagus and small intestine. I'm ...
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0answers
20 views

Show Convex Hull Collision in the viewport

Like in the title, is there any way I can see the Convex Hull mesh when I enable the rigid body on an object? I can see sphere, box, cone and all the primitives, but convex hull nada. Seems like quite ...
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0answers
6 views

Trouble with part of fluid sim disappearing on flat surfaces

I have a fairly simple problem with a fluid sim that I haven’t seen posted anywhere else. So I have a fluid draining out of a scene revealing a flat object with collision to avoid clipping. The fluid ...
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0answers
25 views

Controlling Metaball Subdivision and Collision [closed]

These are actually two questions. For the context: I am trying to make an animated lava lamp and thought metaballs are very fitting for that use case. I created a particle emitter that uses a metaball ...
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0answers
27 views

Softbody and collision on same object

For simplicity I want to make a hand able to touch a head in a way that hand will stay as is, but head will be deformed. But for unknown reason it does not collide (figure is one object with armature ...
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0answers
26 views

Cloth Passing Through cloth although interacting?

so I wanted to simulate an object falling on a net and getting stopped by it. Basically everything is fine because both objects interact with each other but after some time the one object just falls ...
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1answer
35 views

Why is the mesh not colliding with cloth simulation? [duplicate]

Why is the Suzanne falling through the carpet? Suzanne has collision and rigid body physics and the floor has cloth physics with collision. I want Suzanne to fall on the cloth and it should slide on ...
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2answers
133 views

Fluid is “too heavy”/doesn't splash

I'm trying to reproduce CG Geek's tutorial creating a wine glass and fluid: https://www.youtube.com/watch?v=9bZkivGauxY. While I created the wineglass on my own, I just wanted to focus on the fluid ...
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0answers
15 views

Why the collision don't work after baking?

I try to create a simulation of a firethrowing starting in a cave, moving inside it and getting out of the other extrimity of it. I think my particles simulation is ok and well colliding with the ...
2
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1answer
20 views

Whenever I run my cloth simulation, the cloth collides with the 'static' pose of my character, and not the animated poses of that character

I have a very low poly character who I have animated to 'sit up' and then move to a pose. I am running a cloth simulation to drop a poncho from out of frame onto the character. The cloth will collide ...
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0answers
27 views

My collision object eats my cloth simulation

Some of my collision objects are literally eating up my cloth simulation and yet some of them aren't. Any idea on why this is happening? Thanks in advance.
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0answers
17 views

Boid Collation causing Teleportation

When using the boid particle system, the boids teleport when they fly near a collision object. Even if they don't collide, they teleport to be in contact with the collision object on the Z axis. https:...
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0answers
18 views

cloth and rigid body collision sim, center of mass not updating properly

one of the cylinders is rigid body, another is cloth, I've made them interact with each other and also the cloth sheet and ground underneath, but the center of mass is not updating properly which ...
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1answer
53 views

How to create a spaceship and force field transition effect

I have put together a scene in which a space fighter exits a force field from a carrier. I would like to create an effect that when the fighter flies through the force field, the field glows darker as ...
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1answer
28 views

Cloth is going through the collided ball

I want to create an animation that, when the ball collied with the curtain, the curtain should shake a realistic way but in my animation, the curtain goes along with the ball, and it's very ...
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0answers
129 views

MANTAFOLW - Realistic Dirt/Dust trail

I'm following the "Making Realistic Dust trail" question which is not accurate for today blender smoke sim interface. I try to reproduce this answer for cgslav but in blender 2.9 which does ...
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0answers
17 views

Choose what rigid-body is affected by a force field in Blender 2.9

I have a conundrum, I have a bunch of rigid-bodies that I would like to travel to different locations. On their voyage to their location I’d like them to be able to interact and collide with any other ...
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0answers
21 views

partical violin sticks out of test tube, how to stop it?

I have a test tube, in it, it has a ParticleSetting and the object is a violin but the head of the violin is sticking out of the test tube body and I want it to collide the hole thing with the test ...
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0answers
14 views

Collision physics. Rotating object constantly hitting coffee beans in a grinder or roaster

I would like to make a collision with a spinning object in a coffee roaster/grinder and the coffe beans being roasted/grinded. I have tried with rigid body physics and collision physics, without any ...
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0answers
43 views

How to Copy a settings from a Cloth object to multiple Cloths objects (e.g. Physics Properties > Cloth > Object Collisions > Distance)

I have a scene with multiple cloths objects. I want to modify something in physics properties to all others objects (same settings for Object Collisions>Distance); Something similar with "Copy ...
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0answers
32 views

Particles too fast for dynamic painting

I am trying to run a rain simulation where the rain drops (particles) dynamically paint the floor based on this tutorial https://www.youtube.com/watch?v=35bbyAJodEQ (for reference). Setting all that ...
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1answer
38 views

Cloth collisions with another cloth

I am trying to create a scene where a cloth will collide with another cloth; The error is where the clothes are interacting and after that is going wrong.... I have attached here the blender project: ...
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0answers
18 views

How can we make an solid object being squashed by another, turning the first one into fluid?

everyone. My issue is that I don't know how to make an object splatter another. I have a text appearing on screen like so. I have it recovered by a second text in the same manner. I would love for the ...
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0answers
30 views

Recalculate kinematics to avoid collisions with bones

I've a very simple question but I haven't found the solution anywhere. Let's see if you guys can give me a hand :slight_smile: I would like to know if in blender it's possible to avoid collisions (for ...
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0answers
19 views

Applying Collision to Clothes With Armature

So I've tried searching around, but everything seems to go back to the Clothes physics. I have a cape that's attached to an armature and that is connected to a body armature. What I'm trying to do is ...
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0answers
24 views

Soft body not staying contained in rigid body

I am fairly new to all this but I have been trying to do a motion graphic of a (balloon-like) soft body inflating and staying contained in a rigid body (cage). I have set the inside sphere to 'soft ...
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1answer
204 views

Fluid sim not colliding with effector

Okay, a pretty simple problem, you can see the fluid sim is passing through my effector. How do I fix that? So far I've tried flipping the normals, adding and applying a solidify modifier, and ...
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0answers
11 views

Dynamic Paint Ignoring Part of Mesh

Trying to make raindrops dripping across the hood of a car. There are particles colliding and sliding along the hood. The particles are a Dynamic Paint Brush and the hood is a canvas. This is what ...
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0answers
55 views

How to make particles not go partially through plane?

I have a bunch of cards shooting out of a box with an emitter. I have rigid and collision on the collection of cards and the plane but when the cards hit the plane they go through it about halfway. ...
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2answers
41 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
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1answer
23 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'...
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0answers
27 views

Soft bodies not colliding with each other on Blender 2.9

I have created 2 spheres, with applying soft body and collision physics, both with the same settings, created a collision floor, located the 2 spheres on above the other floating in the air. When I ...
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0answers
34 views

Cloth is colliding with some objects but not all

I’m making a bed with two characters in it and now I want to throw a blanket over them. My problem is that I can’t understand when the blanket wants to collide with certain objects and when it doesn't....
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0answers
43 views

why particle system doesn't collision in blend 2.9

can you help me?? I have Three Objects.. The first is plane object with particle System with velocity 0.1, frame started 1.000, frame ended 80.000 and life times is 50.000. the second, i have sphere ...
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0answers
17 views

Volume Loss of fluid simulation in tilting Object which is defined as an effector (collision) Blender 2.90.1

I have the following problem. I have a casting ladle as an effector with collision setting. I beginn with fluid inside the ladle as a geometry with the inner shape of it. This works pretty smooth but ...

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