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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14 views

How to render curve guided particles as path?

The rendering setting is set to 'path' for both particle systems below. On the left, a Newtonian driven by a curve guide On the right, a keyed particle system As you can see, only the keyed one ...
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12 views

Interpolated Hair Children Renders a Square Pattern

The hair particle system on this side of the scalp is emitting a square pattern artifact, even though the settings have been copied exactly from the other side of the scalp. This only seems to occur ...
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11 views

Hair Particles with dotted particle tips

Is there any way to add separate particles that stay on the hair particles' tips?
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9 views

Cant make texture change size of particles?

Ive looked at How to affect particle size over time? and similar tutorials on using a texture (not material) to have particles scale from 1 to 0 over time. Ive made a texture, and questions talk ...
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17 views

Hair particles look fine in viewport, but very dark in render

Please excuse the poor quality of the model, I'm only a beginner. View port render Actual render Fur material Light Path settings Particle render settings I also tried to render using adaptive ...
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6 views

Keyframing “Use Count” in a particle system

I'm currently trying to keyframe the ratio of objects emitted by a collection particle system (e.g. the particle system emits a set of objects in a collection). The "Count" property within the "Use ...
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13 views

What units does the Point Density and Particle Info nodes use to represent particle age and lifetime?

For example, If I set my particle's lifespan to 100 frames and then read particle age using either the Point Density or Particle Info nodes, what value should I divide by in a Math Node so that once ...
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24 views

Why hair particles don't stay where must be?

Always when I try to add hair, I've got the problem. Hair don't stay where must be (over than red square in example). People in youtube easier create hair but I've always got that. I don't know what I'...
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7 views

export a particle object animation to fbx

any help is very much appreciated! Is there a way to export a particle object animation (not necessarily the particles itself) to an fbx (or any other file format that can hold an animation) file to ...
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13 views

remove particle system from an object

Scene: Default cube with default particle system Running bpy.data.particles.remove(bpy.data.particles['ParticleSettings']) deletes the cube, however I need to ...
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1answer
16 views

can't comb hair down

I have this human model and I want to put hairs on it. I want the hair to be laying/hanging on to his forhead but for some reason the hairs are unable to do that. it looks like there is some ...
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19 views

How to create Heat Distortion Shockwave for explosion?

I have seen a number of tutorials on Shockwaves and they all look cartoonish to me. I have seen a tutorial by Andrew Price and another one using a plane and a refraction texture animated with noise to ...
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19 views

Material on Smoke

I made the tornado tutorial from CGgeek and followed every step. But when i try to make a material for the Smoke, it only showes the Domain object with the material (at any frame, bevore and after ...
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7 views

Assigning a shortcut to hide/show multiple particle systems in Blender 2.8

I have a mesh with multiple particle systems. I try assigning the same shortcut to hide/show them but it doesn't work. The key only works the fist particle system I assigned it too, when logically it ...
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9 views

Can I get particle systems to render Group/Collection Instances inside a Group/Collection?

I was making some object groups for greeble. When I go to set up my particle to render randomly choosen objects in the Greeble collection, all of the instances only render their empties. Similarly, ...
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38 views

Animate Particles, Spawn on Demand

Say you are making a gun, and you decide that you want to use particles to create the shooting effect, but you want to control at what times he shoots. How can you control at what times the particles ...
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1answer
17 views

how do i get the hair particles to stand up straight

The wheat is lying down and I do not know how to get the wheat to stand straight up like i would in real life.I do not know what i could try to fix this
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14 views

Time remapping does not work with particle info node

This was a fairly hard problem to find. I also discovered that it is not an easy one fix. The issue is that the particle info node gets messed up when you use time remapping. I'm not going to explain,...
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21 views

Stronger Gravity for Particles

I am working on an ejecting shells animation using particles, and I have to crank up the normal setting in order to make them coming out fast enough. However, this causes the gravity to not be strong ...
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17 views

Hair exploding randomly (unwanted)

I have character with hair added. And an animation running 4xx frames. And a hair/particle-system hopping along. And when I bake it it runs fine for most frames but every now and then it freaks out ...
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17 views

how to make grass particle system interact with rain drops?

i would like to make it so whenever a rain drop hits a blade of grass it bends and moves.
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15 views

Replacing emission particles by image

I'm trying to replace emission particles by an image on Blender 2.8. Although the animation is playing and the images [particle replaced image] are visible in the Viewport, the images don't seem to ...
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1answer
26 views

Lifetime and/or age Info not working?

So, I was trying the particle system in Blender 2.8 for the first time and made a simple changing color depending on the age of the particle. After many many tweaks, the color still doesn't change. ...
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27 views

Is Underwater hair simulation possible

Is it possible to make underwater hair simulation? I haven't tried it yet, but is it possible for hair particles to react to water particles?
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1answer
18 views

Hair goes out of place when moving the armature!

So... The I have a rigged model with clothes and all, particle hair that follows the model, everything seemed to be okay until I moved the right arm! If I reset the position everything goes back to ...
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0answers
21 views

How to make a disintegrating meteor?

Ok what Ive done so far to make a meteor is this - just a ball at the front of a particle system contained in a weird shape - Tried using density vertex groups to clump more particles near the comet ...
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1answer
95 views

Porous object, texture or geometry?

I'm trying to model something like this (sorry for the small picture) that is basically a half sphere made of sintered or aggregated smaller spheres, like a thick multilayer. I was wondering if this ...
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1answer
38 views

Can You Convert Hair Made From a Mesh Into a Particle System

I have been scouring the internet for an answer to this, but I can't seem to find one. I extracted a couple characters from Overwatch, these being: Mcree, Soldier: 76, Torbjörn, and Junkrat. In the ...
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14 views

Is it possible to convert a hair particle system to a mesh and bake the particle color to the new mesh UV?

I am aware that hair particles can be converted to a mesh, that's pretty straightforward. I'm wondering how to take a hair particle system that has color driven by the emitter's UV texture and convert ...
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2answers
41 views

How to keep dense particles at the center of emitter in blender 2.8?

I'm trying to make my emitter space look dense with the particles while emitting the particles. I'd done a setting which gave me the desired result but it was a hidden trial, now i'm trying to search ...
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16 views

How to speed up bvh creation (with hair particles)

I am trying to render a hair animation with 10k particles and interpolated children with hair dynamics, which results in more time spent creating the bvh for each frame than actually rendering it in ...
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1answer
20 views

How to set start and end frame for hair animation

I have an animation with an object that "grows" hair in the middle (animating the render->end->timing in the particle settings). It seems that the hair exists from the very beginning of the animation, ...
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1answer
55 views

Lamps appearing on particles

I'm using blender 2.8 and i have a scene with a donut with sprinkles for which i used the particles function. But when i try to add any object, every single sprinkle gets equipped with the same object,...
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24 views

Uneven particle system fall on a mesh object

I created a distorted torus object, and I used particle system (hair) to put particles on it... I have 2 problems: the particles were not spread evenly on the object (I also used weight paint and ...
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21 views

particles constrained problem, Animating particles in cycles Blender 2.8

So I just set an animation of a saw blade sparking off an object to render, but the animation png results have the particles constrained to a small area, but if i render a single still the particles ...
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13 views

Cant get particles to take on color of underlying emitter?

Ok Ive looked at Particle Color based on where the particle is emitted? and more pointedly Take object color of underlying Emitter Trying to get emitted particles to take on the color of the emitter, ...
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19 views

Lighting causing distortion in grass particles

Di-rectally under the bulls legs in the render the grass has sort of a black distorted outline affecting the look of the grass in the particular spot where the light is the most intense. After trying ...
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18 views

How can a automate the changing of hair length

How can I automate the length of hair particles to change during a simulation. For example have simulation run for 24 hours and then for the next 24 hours change the hair length and then run the ...
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0answers
43 views

How to emit particles at intersection of faces (Scan animation)

I want to make an animation that explains laser scanning. It will consist of two videos. One of the videos is rotating duck with a laser on it. You can see the animation here. The animation is by me ...
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3answers
40 views

Hair Particle, final Render shows less particles than in the viewport

I'm using Blender 2.8 and having a problem. I'm following a towel tutorial and I've set the number of hair particles to 1000000 and i get a result like this: Problem The only way it will fill up the ...
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26 views

Unknown rays coming out of an object

I was doing an online tutorial(Towel, by BlenderGuru), but when it came time to render it came out like this: At first, I thought it was the particles, but after removing them this still appeared. I'...
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23 views

Divide cloud of particles in Blender

Is there a way in Blender to divide a cloud of particles and then animate the resulting parts separately? I'd like to create a technical animation. It starts with a cloud of particles waiting in ...
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1answer
43 views

My Donut sprinkles not showing in rendering my blender?

My Donut sprinkles not showing in rendering my blender version v2.79 i m begginer i need help please My project link https://drive.google.com/file/d/1wX9mngWBoK5XGccuJMY8Iz3b0koTypxy/view?usp=sharing
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27 views

I don’t know why blender 2.8 keeps crashing when I do simple task

So I started doing this project, creating a tornado with particles and force fields and when I go to press play, or move the playhead it repeatedly crashes, and can’t get past this point. I don’t ...
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1answer
20 views

How to Export the UV Map of a Cycled Hair Mesh?

I'm currently working on a Sims 4 Custom Content Hair Mesh, and Here's what it looks like; Anyway, I'm not trying to create a rendered image, I'm trying to create a UV Map so I can recolor the hair ...
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21 views

blender particles system object acting as mask

i'm wanna know if it's possible to have another mesh to hide part of a particle system like hair in hte viewport? i know that under vertex group we can influence the density etc... i also know that in ...
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18 views

Boolean Cut Flickering

I came across a tutorial on YouTube on how to make a disintegration effect and have tried to integrate it into my film: https://www.youtube.com/watch?v=wm4rDDRcbDQ. However, I've stumbled over a bit ...
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2answers
54 views

Get particle location using python

Is it possible to get the location (world space) of every mesh particle of a particle system and following that the vertex locations of every mesh particle using python?
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6 views

Hair: using an object and its child as dupli objects keeping relative orientation

I'm trying to use an object and its child as dupli objects in a hair system, but would like to keep them in the same relative orientation, and having both different materials. Should I join both ...
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30 views

Tips for Making Particles move down Mesh

I've got a problem I'm hoping someone could help with. I'm looking to emit particles from only a portion of a mesh, then to make the section that's emitting particles move down the mesh. That is, the ...