Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [collision]

The tag has no usage guidance.

0
votes
1answer
39 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 ...
1
vote
1answer
26 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 ...
4
votes
1answer
2k 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 ...
0
votes
0answers
18 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 ...
0
votes
1answer
42 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 ...
0
votes
1answer
36 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 ...
0
votes
1answer
53 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 ...
0
votes
3answers
42 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
2
votes
0answers
16 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 ...
0
votes
1answer
125 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 ...
3
votes
1answer
126 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
1answer
49 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.
0
votes
1answer
16 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 ...
0
votes
1answer
33 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 ...
0
votes
0answers
8 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 ...
0
votes
1answer
261 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 ...
0
votes
0answers
51 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 ...
0
votes
0answers
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 ...
1
vote
1answer
335 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 ...
0
votes
0answers
31 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 ...
1
vote
1answer
54 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 ...
1
vote
0answers
17 views

“Whip” falling through handle. Collision + Soft Body

I have a four bezier Circle tied to a path that twists to form a rope and a separate object of the handle. The rope runs in the middle of it. I've changed ball weight etc and added the handle as a ...
0
votes
0answers
23 views

Unpredictable behavior when shooting a sphere on a cube

I have a player object that can shoot little sphere objects and simple blocks as enemies. When a sphere hits an enemy it sends a message to the enemy to dissapear and spawn a new one (cube) with the ...
0
votes
0answers
21 views

How to make one object take the shape of another only where they touch

This might be a duplicate question but I did not know the vocabulary to search for what I need. I need to have two object to have perfect interface with each other (like a Boolean union) but where ...
5
votes
2answers
255 views

How to push a box with physics engine by another object?

I want to push a box by an animated character in Blender 2.8. First I tried to animate the box by keyframes but this looks very unnatural. I think this will look ...
3
votes
2answers
7k views

How do I stop hair particles going through the body and the head?

Target : I intend to have long lady hair that go swirling in the wind. I am trying to achieve that through hair dynamics. Problem: Hair are going through mesh(body and head). I am using blender 2....
3
votes
1answer
93 views

Soft body friction

I want to create in blender a scene like this one, attached here. I have a past in cinema 4d, there was very easy to create this. I tried in blender in this way: I create a soft body sphere and a ...
2
votes
0answers
40 views

Trigger particle emission on collision with another particle system

I have a particle system A whose particles have been already emitted. Now when these particles collide with Particle Emitter B, I want B to start emitting particles. How should I go about doing this?...
0
votes
0answers
27 views

animating a collision with an object following a path

I have this idea that looks pretty simple in my head, but turned out to be pretty hard to animate. I've got this animated bee that is flying along a path, and i want it to collide into an object, ...
1
vote
1answer
44 views

How do I make a molecular “cloth” which I can drop some objects onto?

Basically what I want to try to create is similar to this: https://www.youtube.com/watch?v=UhuOsg06oOs&list=LLl-SOEftSFSK6xy1vylYL8g&index=8&t=0s I've downloaded molecular and cube ...
0
votes
0answers
64 views

Collision phisycs in cycles using metaball particles

I am trying to make metaball particles collide with an object. Using the collide feature in the physics tab in blender 2.8. It is looking great in the render preview window but whenever I render it, ...
0
votes
0answers
65 views

2.8 Beta Walk/Fly Mode No Wall Collisions?

Is there any way to add collision to walls when in walking mode. i'm trying to explore my scene without walking through walls and falling off into the void. yeah i know there's fly mode also, but ...
0
votes
0answers
26 views

How to get collided objects? (Python)

I want to know what objects are collided. Is it possible to do with existing Blender’s Python API?
0
votes
1answer
22 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!
0
votes
0answers
26 views

Collision in .obj file

I am completely new to Blender and I have never done anything with 3D. Currently I have some .obj files and I want to understand them. I downloaded source code for ...
0
votes
0answers
69 views

Enable collisions with targets and objects (Animation Nodes)

So I'm using animation nodes to generate a nice sinusoid as pictured below. See Omar's answer here for more information. I want this sinusoid to collide with the cube face and "bounce" off. If I ...
1
vote
2answers
3k views

Particles fall through collision object

I am trying to make leaves fall on the ground but the leaves are intersecting the ground. This is the collision floor seen from under: The object has collision enabled and Particle Damping to the ...
1
vote
1answer
82 views

Simulating an egg on a conveyor belt getting smashed

I have a short animation of an egg shape (solid w/o liquid) and the egg is on a conveyor belt (follows directional movement of belt via driver) then was supposed to have the egg get smashed by a large ...
0
votes
0answers
44 views

How to make an object change its color when it collides with another?

I think the title explains it well. I want to make two objects collide and change the color of one of them. How can I do this using physics, in cycles? Thanks.
0
votes
0answers
53 views

Fluid simulation obstacle collision

I am playing around with a fluid simulation however as you an see in the picture the liquid is not touching the bottom of the pool. Instead if collides at the height of the pool border … I created the ...
1
vote
1answer
482 views

Issue with Collision Detection

I am not sure if I am doing something wrong or there is an issue with the Collision sensor. I have a sensor embedded on the floor, with 2 objects that are moving over it. If the two objects pass ...
6
votes
0answers
82 views

How do you avoid dependency cycle between two soft bodies?

How do you setup two softbodies with collisions without getting a dependency cycle ? A depends on B through Softbody Collision B depends on A through Softbody Collision Those two objects interact ...
3
votes
2answers
166 views

Glowing/outline effect when particle and object are colliding

How to do a glow/outline of collision effect when particles (objects with same size in a group) are entering other object? For example when a small box particle is falling into a plane (will fall ...
10
votes
3answers
5k views

Soft body to Soft body collision

Is it possible to have two (or more) Soft body objects collide in Blender? I have tried enabling self-collision, but distinct objects don't seem to interact with each other at all.
1
vote
0answers
62 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 ...
1
vote
1answer
258 views

How to make particles collide on face instead of median point?

I made a scene where particles collide with a plane, but the particles seem to collide on their median point: i want it to collide with their faces, so their faces don't go through the plane... is ...
1
vote
1answer
350 views

Rigid Body Mesh Collisions: Objects falling through each other

I have a scene that I need to run simulations on, and quite a few of the collision shapes need to be set to mesh. This works fine for most objects but there are some that are acting weird, basically ...
3
votes
0answers
44 views

Collision Object for particle system

The hair you see in the picture is created with a particle system on a vertex group. The hat is a separate object. Is there any way to make the hat a collision object so that the hair stops when it ...
2
votes
0answers
82 views

Smoke/Liquid Ignoring collision object during simulation

I’m fairly new to Blender and modeling in general, and I’m running into trouble with running simulations (smoke, fire, liquid, etc). I’m trying to produce simulations to be used in a projection ...
1
vote
1answer
42 views

How to exclude smoke from collision mesh

I am trying to achieve an effect where I drive an invisible cone through a simple smoke domain, which clears the smoke from the cone-shaped region. I'm planning to make the cone invisible by disabling ...