Questions tagged [collision]

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6 views

Modify Boid collision distance with hard boundary - v2.80

Hello hello Blender community! This is the first question I'm posting, similar ones have been asked before but I was unable to get something working from the answers/comments on the questions most ...
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1answer
175 views

How to propel an object, rotating freely in zero gravity, towards a collision with a fixed plane?

I downloaded a model of an astronaut from the NASA website, and I'm trying to create an animation with it to import into a Premiere video project, but I'm just a beginner at Blender and am having some ...
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34 views

Weird cloth behavior: why does my cloth diverge on collision?

Earlier I've animated simple collision with a cloth-modifier. (I've compressed it to a 2MB mp4, but I don't know how to upload it). It shows a face moving along a path through a (pinned) cloth, so ...
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20 views

Particles hit mesh in rendered static frame but go through same frame when rendered as animation

I have particles falling down from an emitter; they are supposed to hit the floor (plane mesh) and pile up there. This works perfectly in the viewport and when I render just a single frame but when I ...
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1answer
55 views

Proper deformation of body mesh?

i've model a body rigg it and weight paint it and now that i want to make poses with it i realize that i have a few problems, but the real problem is that when two part of the body clash together one ...
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1answer
48 views

Blender 2.8 Clothing collision with other object overlapping

thank you in advance for answering. As the tittle says, I'm having problems with cloth collision. There's the cloth object, then a mesh object for the shirt and a mesh for the body. The body ...
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1answer
59 views

How to achieve pressing against invisible wall effect facing camera? (animation)

i'm quite new to blender. I'm making some animations and i would like to reproduce this effect Not only for the tongue,any part of the body ( hand/foot/derrière/chest ) To resume ,a character ...
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12 views

Collision object POPS through cloth?

Trying to recreate this object. For the vinyl insert, I created a cloth simulation and two collision objects: a pipe on the bottom and an animated downward plug that would push the cloth into itself....
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18 views

UE4 Collision issues (Noob)

Hope I put this in the right spot... When converting a blender object to the unreal engine I will always end up with invisible walls and collision problems. With small none complex models I can fix ...
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1answer
50 views

Separate Collision Bounds

How would I add a separate collision bound for a character in Blender Game? I want to be able to detect collisions on different areas of the body and have different amounts of damage done.
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1answer
173 views

Attempting to link a plane with cloth sim to an object with rigid body

Hi, I'm attempting to link this plane (with cloth sim) to the chain link above (both have rigid body). Whenever I play the animation the cloth just falls through the chain link above and they do not ...
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1answer
61 views

How to make objects not pass through each other?

I have a field with plants, and some plant's leaves are cross over with each other. How do I add collision/or is there any other way to solve this problem? I need that effect, cause I'm creating a ...
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1answer
35 views

Objects not touching in collision

I'm a total noob - and I'm doing a soft body simulation - just a ball bouncing. The ball does bounce, but it is not actually touching the collision surface, it is bouncing slightly above. It's like ...
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1answer
131 views

Making particles collide with each other? Possible? (2.8)

So I have made what is essentially an asteroid field. I did this by making half a dozen asteroid models, and then making a large cube with a couple of ‘volume’ emitters that run for a single frame. ...
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2answers
89 views

Slow Viewport Rendering: Bad Settings or Underequipped CPU?

Question Dear all, I'm trying to make a simulation in which Suzanne moves in a straight line through a piece of rubber cloth. Getting the settings of the cloth modifier right is quite hard due to ...
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1answer
50 views

Bouncing ball deflates when hitting surface

Plane has a collision. The ball has a soft body. Bending of 5. turned goal off. I baked and when I animated I get the image attached, How do I keep the shape of the ball normal with a minor bending ...
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0answers
45 views

How do I make a squeezed balloon?

Is there a scientific way to have a balloon squeezed as if between two planes (or in a vise)? In other words, have the sphere maintain its volume while it is deformed between two parallel planes? [...
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2answers
854 views

Particles don't collide with rigid bodies

I have a scene with 2 Cubes, Cube 1 (using a soft body (Rigid body doesn't work either))falls through Cube 2, and Cube 2 has a particle system on it. I want Cube 1 to "push away" the particles on Cube ...
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1answer
278 views

How do I prevent cloth from being blown through an object?

After creating a dress and a hangar, I have given the dress cloth properties and set the collision properties for the dress and the hangar. If I just leave everything as is, the dress hangs from the ...
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22 views

Physics - curve rope colliding with object intersect problem problem

My goal is to create a rope that falls onto a cylinder object and the ground. I created a path which I subdivided and set the bevel property as an object (4 circles) which I twisted around to create a ...
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36 views

how to stop particles from clipping through object?

I have a particle system (grass) that is poking through my object(rock). I turned collision on, on the rock but the particles are still poking through.
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35 views

Particles won't collide with object?

I have a particle system in 2.8 that emits metaballs, and Ive added Collision to the object I want to collide with. Settings on the collision have friction at 1. Ive followed tutorials, however my ...
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1answer
419 views

Shaping Bezier objects and applying Physics collisions?

Logo animation project First part is dropping chromed tubes on a floor, let them bounce and roll a bit. The rolling stops at frame 90. Second part is for the lighting to go dark, and the tubes emit ...
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1answer
130 views

How can I realize “sticky” collision, i.e. that objects connect as soon as they touch?

I'm fairly new to Blender (great piece of software btw), so please bare with me. I'd like to have multiple spheres (up to 50), which move randomly in space and as soon as two spheres collide they ...
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0answers
38 views

Soft Body and Hair collison in 2.8 goes haywire

When my fuzzy ball touches a cube with collision enabled the hairs go crazy. How do I make the hair particles not go crazy. Please check the attached blend file.
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1answer
3k views

Cloth collision with an object

I have two chairs, a cloth piece falling on it and then a helmet falling above the cloth on one of the chairs. Whatever the setting I'm trying I cannot get the helmet fall nicely on the chair and ...
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1answer
29 views

Apply collision event only on a specific mesh

I've been using Blender Cycle render for over an year and never done any game engine... This morning I looked a tutorial how to make an object move and after that I wanted to experiment a bit. I did ...
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19 views

how to control hair particles under a hat

I with to animate a woman character, she is wearing a hat. I struggle to understand how I can control the hair when I also apply hair dynamics, i.e. so it doesn't cross the hat or go obove it. for the ...
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1answer
91 views

Animation with Physics (Cloth | Collision)

Problem How can I make the fabric stop exactly where the tube thickens and prevent it from continuing its free fall to infinity and beyond Example I want the fabric to stop exactly when it reaches ...
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0answers
35 views

Cloth vibrating with object collision turned on?

On the character rig I'm creating for an animation, I have a cape, which is a piece of cloth which is solidified to give it thickness. However, I want it to collide with the torso, head, and arms of ...
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0answers
18 views

Smoke Collision causes Aliasing with Cylinder

My scene is comprised of a smoke domain emitting upwards to a default cylinder. When the smoke collides with the cylinder, there is a noticeable "stepping" or aliasing around the cylinder, as seen ...
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0answers
53 views

How to make a floor with collisions, so my character can walk on it

I have made a funky T-rex and am trying to better my animations (fifth week on Blender) but I'm having trouble with the walk cycle and I think it would look better if I could make it so that the T-rex'...
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0answers
48 views

How can I make my cloth sim show tight folds?

I'm trying to achieve visuals like the following: Unfortunately, this is the best I've got so far... I'm using the 'pinning with hooks' method seen halfway down this page - I'd let the cloth drape ...
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8 views

Hair Boundries / collision effect 2 seperate objects

Is it possible to create boundaries for hair particles. For example I created a flower pot and put a plane inside it with a hair particle system for some curly type grass effect. Can I make the pot ...
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1answer
25 views

game shield in blender game engine

I am trying to make a shield that will end enemies when they come in contact with the shield. The problem is getting the shield to spawn on the character while he is moving. Any ideas? Thank u!
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0answers
25 views

Why is my cloth colliding so weirdly?

I am trying to simulate cloth on top of an umbrella, that's blowing in the wind. Right now I'm already struggeling with the cloth clipping through the base of the umbrella. I tried isolating a single ...
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0answers
19 views

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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1answer
63 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
87 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
73 views

Boid Particle System Collison Objects

I'm looking for my boid particles to not intersect with my collison objects. I already changed the mesh to collision, and there are tiny areas where the dragonflies still pass through the mesh, as you ...
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1answer
41 views

How to make an object only collides with the terrain?

I have a question to the the collision in the Blender Game Engine. I made an character (a simple sphere). This character is on layer 2. A empty object is on layer 1. This empty spawns every 5 seconds ...
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46 views

Make Path Dangle and Collide for hair

I have hair particles following a path. This is for a lengthy animation project so chose to do this to make it easier than combing hair back to where is belongs. Picture below. I want one end of the ...
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0answers
23 views

Intersecting problem with rigid bodies

There is a mechanism shown in the figure_1; a rotating gear interacts with a grip. There is no problem (figure_2) until I change the grip shape with the same setting as previous, where the model ...
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1answer
189 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 ...
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1answer
56 views

Complex Collision Boxes

I'm trying to get a ball to go through in between the cup gear things shown in the screenshot below. It seems that the collision box does not consider the cups. Yes, the ball fits and they are ...
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0answers
12 views

How do I influence the distance particles have to a collision object?

I have a cube, and a particle mesh inside the cube which emmits boid particles. However the particles don't bounce off the inside wall of the cube but keep several cm distance to it. I would like ...
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0answers
141 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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0answers
23 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
44 views

How to animate spiral cutting / milling?

I have a circular saw cutter in a tube. The cutter is supposed to cut a gap into the metal tube by cutting in a spiral motion. Initially I wanted to make it fancy and show the material that is cut ...
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1answer
60 views

Ranining Cubes to form shape

This is the .blend file I'm working with I created this model with a processing sketch that translated colors into volumes. Now I'd like to have a rain of cubes, having the cubes to land in their ...