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Questions tagged [collision]

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15 views

How to get particles to move with object. Works in 2.79 not in 2.8 possible bug?

Seems like a pretty straightforward question. I am using blender 2.8, and had trouble for days trying to figure out why my particles escape my collision object once the collision object begins a ...
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2answers
28 views

particle collision is weird whith sphere object

I have a problem with a particle system and my sphere objects deep half way through my collision object, the screenshot is here:
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2answers
762 views

Collision/Rigid body objects not moving an inch

I'm trying to make arrows fall onto a table, in order to dispose of them on the table randomly. So I enable collision/rigid body on the table, passive mode, and add collision/rigid body on an arrow, ...
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1answer
30 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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11 views

Cloth falls inside object rather than on top

As you can see in the picture, the blanket folds inside of the top mattress when it's supposed to fall on top. The blanket starts outside of the perimeter of the mattress but gets sucked in for some ...
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0answers
8 views

v-hacd blender 2.8 with physics engine

I am trying to get to work with the V-HACD add-on on Blender 2.8. While the convex hulls decomposition of the mesh works well, I was wondering how to make it work with the physics engine to animate ...
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21 views

Roulette Simulation Rigid Body

I am currently making an roulette simulation. I have 4 main objects: the bowl, the sphere, the spinner in the middle and the separators which separate the numbers (I don't know the correct name for ...
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0answers
20 views

Particles not following movement of collision object

Been trying to wrap my head around this for the whole morning. I have a snowglobe, and the hand throws it in the air. My particles collide with collision object (duplicated the glass globe), right up ...
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0answers
19 views

One-Way collision / One-Sided collider

I try to fill up my mesh with particles(molecular addon) falling from top. What I would need is an one-way collision to "trap" the objects inside the mesh and form the shape if something like this is ...
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0answers
25 views

Blener 2.8, how to make a rigid object hang from a cloth simulation?

The desired end result is that the necklace is cloth-like, and the star-shaped charm is rigid. Both react realistically to the environment as they hang around the character's neck. Thus far, I can get ...
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0answers
13 views

Modify location data for physics animated object

I have a "coin" standing on a "table" which is being spun by the use of two projectiles, hitting opposite edges of the "coin," like the action fingers would have when spinning a real coin. The "coin" ...
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1answer
120 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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6 views

How to do random rigid body motion with location constraints?

I want three objects (say 3 UV spheres) to move randomly in a plane. Saw some solution using force fields - force, turbulence, and vortex. But can't exactly figure out how.
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23 views

The cloth collision in 2.8 doesn't collide

so basically I am trying to make cloth collision in new blender, in the old one I never had a real problem, making some table cloths and so on, always worked. But here comes the problem, I tried to ...
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1answer
81 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
20 views

PopCorn Particle Background

Anyone have an idea of how to make popcorn fill up my screen using practices, or got some video that would help me out, thanks! I am trying right now, but they keep jumping up and down and not staying ...
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0answers
11 views

Algorithms used in Collision detection, Rigid Body Simulation

I had a school project done in Blender using Rigid Body simulation where obviously collision detection plays a huge role and I want to be able to explain in better detail how it all works in the ...
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0answers
9 views

Collision modifier not rendering and transparency issues in eevee

I have created a spaceship shield effect in which I lasers (particle system) striking a dynamic paint shield. I have set a collision modifier in which the particles die on collision with the shield. ...
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3answers
116 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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0answers
20 views

Human figure moving arms through body

I have imported a MakeHuman figure and I am trying to implement a series of arms and legs movements under python control ...
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1answer
10 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
181 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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0answers
43 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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0answers
22 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
57 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
61 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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14 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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1answer
51 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
179 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
67 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
42 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
194 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
126 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
54 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
46 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
878 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
281 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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0answers
23 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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0answers
45 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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0answers
50 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
441 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
144 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
42 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
4k 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
33 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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0answers
22 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
101 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
39 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
20 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
61 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'...