Questions tagged [particles]

Questions pertaining to a group of particles which can be used to simulate a system of chaotic objects(known as particle systems). Particle systems in Blender are robust and full of settings.

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10 views

How can I use the blender python API to make a scatter plot animation of millions of objects?

I have produced some data, that I would like to visualize with some eye candy. The data is contained in a 3D numpy array a. ...
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1answer
31 views

Slow down a particle system on a path?

Hey there I have particles following a path. I want them to follow the path at a constant speed until they are about 90% along the path, and then I want their speed along the path to slow down to a ...
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1answer
29 views

Particle animation inside transparent object

I am new to Blender and I'm currently working on creating particle animations that follow a curve using Particle System Emitter and a Bezier Curve. The particles are rendered as Halo. [Animation ...
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12 views

How to convert particles animation into keyframes

I need a convert a simple QuickExplode animation from particle animation into keyframe for export it into game engine. It is impossible? Or maybe convert QuickExplode into meshes? But i really don't ...
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1answer
34 views

Why does my fire + smoke simulation look chunky?

I am following this particle explosion tutorial https://youtu.be/29yfS-icS3M and for some reason instead of looking nice and billowy and realistic, it looks like a bunch of floating chunks. My theory ...
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13 views

Smoke/Fire cards or simulations

HI I'm trying to create a really high quality cinematic in blender, In my animation there will be a bunch of boats on fire or smoking, (mostly) in the distance, How should I achieve a high quality ...
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1answer
25 views

Molecular Script Addon with Blender 3.0 mac os installation problem [closed]

Anyone knows what this error wants from me? i was trying to install molecular script+ for blender 3.0 and got the following error (see image below) what should i do? i'm not a programmer
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Baking particles from command line

I am trying to bake particle systems from the command line. I saw this: Baking smoke on headless machine and I have been playing around with it, but I can't seem to get it to work for particles. I'm ...
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34 views

Is it possible to kill hair particles

I am trying to make shaving animation where object interacts with hair and at the same time kills it but I cant really find a way to kill hair particles. I tried using kill particles in collision menu ...
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1answer
18 views

Particle system does not touch the material surface

I have a spherical mesh and I apply some textures to displace it in order to get a rocky surface. The relevant node tree part is the following: Keep in mind that I have turned on the bump and ...
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1answer
19 views

How to apply custom scale other than 1?

I want to keep the size of an object, but I need to make the scale of different objects uniform to keep the hair particle the same. How to apply custom scale other than 1 without actually scaling the ...
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1answer
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Particle System > Advanced > Rotation Orientation Axis = Not Working

Please see the attached screenshots and project file. For some reason I cannot randomize the rotation of my particles along only the X/Y axis, even though Z is set as the Orientation Axis. Is this a ...
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all the particle comes from the middle of the mesh [closed]

I'm learning some low poly rendering, but when I'm trying to add trees as particles, the trees just spawn only in the middle of the plane. how do I fix this?
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1answer
41 views

Point instances lose material after applying Geometry Node Modifier

I use geometry nodes (blender 2.93) to distribute cylinders on the cube (Point distribute, Point instance nodes are used) I define materials if Materials Properties for cube (red color) and cylinder (...
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Sprincles UNDER Icing [duplicate]

When i tried the sprincles on donuts, it was not on icing instead it was under the icing.
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15 views

Randomized scale and rotation of objects but on specific locations

I woul like to create leaf panel but I can´t find correct way how to do. I would like to use particle system or scatering but I can´t find which option is best for me. Problem with using particles ...
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2answers
407 views

Randomize distribution of objects (CO2 molecules) in space

I'm producing kind of an environment full of CO2 molecules, the idea is to randomize the CO2 molecules around a porous sphere, however when I do the particle system, they're distributed following ...
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1answer
21 views

Particle system to one mesh - and keep materials?

I have created a particle system with an emitter emitting Lego pieces and filled a big box with these Lego pieces. Object Info > Randomize on the colors of the Lego pieces with 5 colors on Ramp. ...
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Particle System 2.93 Instance Whole Collection Not Working

For some reason my leaves aren't appearing alongside the trees when I use a particle system even when I set the render to collection- whole collection. I used the sapling tree generator and I have the ...
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1answer
51 views

Why when I join all the particles it destroys my model?

I try to join the converted particles, but the result is a mess. Where do I miss something?
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1answer
37 views

Particles not rendering on final render

So I have an emitter object, emitting the said particles rendered from a collection. They show up in viewport shading with cycles, and when I render with motion blur, I see the motion blur for said ...
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1answer
8 views

Particles collision margin/padding

I am making a simulation with boids particles inside a mesh (I have applied collision physics to the mesh, inverted the normals and applied all transformations) and for some reason, the particles do ...
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2answers
132 views

how to make sure that the forcefield does not affect particle system

I'm working on a project which uses forcefield for soft body, but it is also effecting my particle system. how do i make sure it does not impact the particle system.
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Smoke Particles Rendering as transparent squares

I'm making an explosion with particles using smoke simulation. It looked blurry and sort of like an explosion before, but I must have changed a setting and now its dark orange rectangles. I'm using ...
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0answers
49 views

3D porous nanoparticle. How can I draw one? [duplicate]

Hi!. I would like to draw something similar to this porous Nanoparticle. The inside of each hole needs to be "solid" and each of them kind of spherical shaped, similar to a golf ball. It ...
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1answer
20 views

How to use collection of armatures with children meshes in particle system or Geometry Node Instancing?

I'm having a little problem right there: I have 5 different rigged zombies with different animations, so in the outliner they're armatures with a child mesh of the zombies: What I want to do is ...
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1answer
24 views

Hair particle color in particle edit mode

I know that in particle edit mode the hair marks appear black. But my particles appear light blue. It makes my eyes tired and I don't know exactly where I've chosen. It looks simple, but I am unable ...
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Image Map for Weight Painter

I am working on a jungle scene in blender and I was wondering if it was possible to somehow use the height map I used for the floor texture to control the weight map for grass distribution (so as to ...
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1answer
22 views

Force field not affecting falling rigid body in motion

I am trying to use a force field to affect a falling rigid body mesh. The mesh is falling in a direct line on the Z axis and yet when it passes through the force field, it proceeds unaffected, no ...
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1answer
21 views

Geometry node only distributed on specific area

Im trying to create a globe with some spheres coming out of it ( geometry node ) but I only want them to appear on land and not on the ocean. Any ideas on how to only distribute the point in the ...
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1answer
49 views

How to create tube like hair?

Is there any way to create hair the way Ducky is in this video without converting it to a mesh? Or is there any way to add geometry to a hair particle system? I want to keep it as a particle system ...
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1answer
15 views

Speed of particles

I am making a ripple water animation in Blender 2.92. Everything is looking really good, but I have a problem: The droplet falling into the water falls really slow!. No matter how I tweak and look ...
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1answer
56 views

I have some problems with particles rendering [duplicate]

I'm trying to do some blurred light dots and for doing this: I have made a particle emitter with a shiny particles I have decreased the focus distance of the camera In the viewport I see the result ...
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0answers
31 views

How to apply a texture to a particle system?

I want to apply a texture to a particle system, but I don't know how. Many other people seem to have answered this question, but no matter how many times I try the steps, they never work. I'm also ...
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1answer
40 views

Blender doesn't update hair displacement when rendering

I am trying to animate a motion graphics animation with a somewhat complex setup: I use an object (object A) with a hair particle system on it as an instance of another object's (object B) hair ...
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1answer
46 views

Particles not rendered using python script

Following this example I added a psys to my scene. I add the cube from the script because for this application I CAN NOT use the GUI, so adding this snippet: ...
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12 views

Cycles Viewport Rendering Flickers during Hair Particle Simulation

I'm new to everything that Blender does. I am having problems creating animations (grasses) with hair simulations using cycles viewport render. There is usually a lot of flickering and I would not be ...
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1answer
20 views

Why are Emitted Particle Objects Not Oriented Correctly?

Im using a hair particle system on a flat plane, with a collection of people being objects I want to be emitted. Even though the hairs of the emitter are standing straight up from the plane, the ...
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0answers
19 views

My hair particles is missing when i export my model (or when apply my modifiers)

Well, I created an arena for my game and added some grass using just the hair particles. Apparently everything is fine, but when I export my model or apply the modifiers the hair particle just ...
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16 views

Can't get particles to shade smooth

I'm instancing 2 particle systems on one object. I'm also using the data transfer modifier to get custom normals on the same object. But to use that modifier I have to enable autosmooth. That's where ...
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0answers
12 views

Suggestions for efficient rendering hair for 360 Video in eevee

I'm working on a 360° Video in Blender and I want to render hair. Obviously it's high computational. I was wondering if anyone has suggestions and setup for efficient hair rendering in eevee. Thanks ...
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0answers
54 views

Colourful flying glowing things fly past my camera and i don`t why

I have been trying to create a ghost pianist animation in blender. Everything works perfectly fine, but then when I play my render, glowing balls fly past my camera. But when take a look at my ...
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28 views

How do you create a cloud of a volatile snow in Blender?

I want to recreate a train from the show Snowpiercer and am struggling with how to model the snow that is thrown into the air by the wheels of the train. In the show it looks like this: What I ...
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2answers
60 views

I want to make a molecular block using particles

I want to make a molecular block using particles like this one. But I don't know how to put a texture to each particles seperately. Or is particle not used in this block? I want to say sorry to ...
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1answer
68 views

How to reproduce this kind of bright effect animate on Blender?

I need help to reproduce this kind of bright effect on Blender, but I want to animate it as well, the animation could be it just turning around in circle. What do I need to search about to recreate ...
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0answers
16 views

Make Wind Force Field Only Effect 1 Object's Emitted Particles [duplicate]

I want each wind force field to only effect the particles emitted by the closest 1 of the 2 planes. As the file is right now, each wind source effects both plane's emitted particles. I want the top ...
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1answer
34 views

Pure Python script: create a particle system from Python script in 2.9 [duplicate]

My application should run on a headless server, thus I cannot rely on Blender GUI, and I need a stand-alone python script.. I have been looking all over the place for an example of the creation on a ...
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0answers
23 views

Dynamic Paint object should be brush and canvas at the same time

I have a ship that sails on the ocean in the rain. The ship is set as brush because it leaves a trail in the ocean. The raindrops that come down should now also leave a trace on the ship's deck with ...
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1answer
59 views

How can I / is there a way that I can make the star behave just like the sprinkles? [duplicate]

I'm new to Blender and am following Blender Guru's donut tutorial. Unlike his donut (which had the sprinkles and a sphere) I decided to add a star because I thought it would look better. However the ...
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17 views

Image on plane as particle hairs - Shadow problem

I'm trying to create grass by using images on a plane and then using those in a hair particle system. However in some areas I'm seeing the shadow from the plane instead of the grass itself. Grass ...

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