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Questions tagged [random]

For questions pertaining to randomization (not for just any "random" questions... heh). Some examples include scattering particles or instances in a non-uniform or unpredictable way, or assigning colors with random variation.

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How to stabilise the Curves info random value?

I am using the SouthernShotty's workflow and node tree to get hair that has different colour on individual hairs. He uses Random output of the Curves info node for this step, which works. However when ...
PoTioN's user avatar
  • 1
1 vote
0 answers
22 views

How to make the position property of an object wiggle only when it is moving?

I have an object with two simple position keyframes. I would like to add some randomness to the animation but only while it is moving. As soon as it stops, the wiggle should stop, too. In After ...
MikeKnight's user avatar
0 votes
1 answer
18 views

Random Scale of UV Spheres radius using "Instances on points" Origins are off!

I have a a whole bunch of spheres generated on a curve, I want to randomise the radius of the spheres as well as their positions in order to get a galaxy effect. The issue I am running into is that ...
Meestar P's user avatar
0 votes
2 answers
31 views

Add Random seed slider to a node group to affect other input values randomly

I Hope someone can help me with that, can't find any solution fewwww I'm trying to integrate a random seed slider to my nodegroup! Basically I would love that slider to change randomly all the other ...
Petaralazara's user avatar
0 votes
0 answers
34 views

.Problem with randomization of Instances in a Repeat Zone

Hello everyone, my project is still to animate a growth of branches on a trunk and other branches on the firsts and so on… I want to randomize the position of the branches to do so, in the ...
Fred I. R.'s user avatar
  • 1,029
0 votes
1 answer
33 views

How to use object info / particle info in geo nodes?

I have a simple setup here. I would like each point to have a different color. This setup should show each point having a different shade of gray, but it does not - because technically this mesh ...
James Riley's user avatar
0 votes
1 answer
21 views

How to randomly rotate many linked array objects along their individual origins

I have 30x50 matrix (2 arrrays) of roughly 1500 cubes that I want to each randomly rotate around their individual origins to achieve similar effect: Thus far have most success with 2 array modifiers ...
TRIANGULAR's user avatar
2 votes
1 answer
59 views

Randomise the endpoints of parallel curve lines (Geometry Nodes)

I'm looking for a solution how I can switch start and endpoints of parallel curve lines randomly with Geometry Nodes. What I have so far is this: 10 parallel curve lines, divided into 10 segments by ...
emeff's user avatar
  • 23
1 vote
1 answer
30 views

Checker texture addon question?

I am trying to make a node setup where i have Transparent Tex Principal BSDF these both are going through the mix shader . I want to control the Factor of the mix shader with a chekered texture . But ...
sameer uddin's user avatar
0 votes
1 answer
73 views

How can I quickly place assets on a grid?

I'm currently learning Blender and have taken on a personal project of building a city to keep pushing myself. I'm currently designing generic buildings and other assets of varying sizes and shapes to ...
Ziggy Zapf's user avatar
0 votes
0 answers
28 views

Creating a random seed per instance with geometry nodes [duplicate]

I've searched everywhere but can't find an answer for this. How do I change the seed value per instance I create so that all my instances appear different. Right now they all use the same seed and ...
Daniel's user avatar
  • 51
0 votes
1 answer
23 views

Why my particle system only shows particles falling down?

I just started learning to use Blender and I'm following a tutorial in which i have to create a particle system over a mesh; but when I add the particle system and press play, it only shows the ...
Nora González's user avatar
0 votes
0 answers
24 views

Is there a way to randomly change the seed in Point Instance? [duplicate]

This created a Node group that was seeded so that the branches and leaves of the tree could be changed randomly However, using the RandomValue node did not result in random changes The image shows a ...
InamuraJIN's user avatar
0 votes
0 answers
46 views

Seed of Random Value can't be as input never?

I connected the seed of Random Value to Random_seed of Repeat zone as driver or data path, but the output of repeat zone is as same as before, 0. I just want to change that seed not using other stuff ...
김규태's user avatar
0 votes
1 answer
68 views

GeoNodes - Random numbers on points of a grid [duplicate]

I would like to create a grid in Geometry Nodes and add random numbers to its points. Sounds so easy... I am a beginner and just cannot figure out how... could you please advise?
István Horváth's user avatar
2 votes
1 answer
122 views

How can I make a material randomize a texture per object?

Let's imagine I have a scene with a thousand identical cube meshes. I want to apply the same material to all cubes, but have each cube randomly display one of my 3 or 4 image textures. Say, some cubes ...
vintagepotato's user avatar
1 vote
0 answers
24 views

Efficiently create a big set of object [closed]

I am creating a low poly forest for my project. I want to use a big library of assets (that I am making). I figured that what works best for me so far is to create branches separately from the trunks ...
Alex.J.R Butterfly's user avatar
1 vote
2 answers
170 views

Randomize instances WITHOUT repetition?

Hello Blender community! I'm trying to generate random positions for a set of objects. I've got 3 objects (cone, cylinder, cube) with a variable of 3 colors (blue, red, yellow), which makes 3x3=9 ...
Dataratata's user avatar
0 votes
2 answers
97 views

How to randomly rotate the texture of instances when the node "Geometry" is used?

Here is the setup of the geometry nodes, where the random value is set up to randomly rotate instances along Y and Z axes. However, the screenshot shows that the texture of instances does not randomly ...
Blender Lake's user avatar
1 vote
1 answer
16 views

Random Camera appeared after i've done some animation

I just finished creating an animation for my character, but i then i decided to play the animation through the camera view and it ended up showing me a random camera view that i don't have in my scene....
Mark s's user avatar
  • 11
0 votes
0 answers
65 views

Geometry Nodes : get a differet random value for each mesh after subdivide

I'm on Blender 3.6. I've made a geometry node to build a building from a plane, I want to build one to build a block, I subdivide a bigger plane and apply my geometry node for building (BatMain on the ...
aldaflux's user avatar
0 votes
1 answer
35 views

geo node problem in blender 3.6.4 random node, when random value added it multiply the objects on many points, can anyone help me with it

Here is the image with details, I have marked it with white pencil. I want to know how to fix this issue.
ganeshj suthar's user avatar
2 votes
2 answers
322 views

Geometry Nodes, how to randomize the height of some cubes?

I need to slightly randomize the heights of some cubes. (like the following image ) any ideas? Blender 3.6+
Pooya heydari's user avatar
4 votes
2 answers
560 views

Geonodes: Adding 'Random Value' to 'Noise Texture' (4D/W) yields strange results

If you look at the images you'll see I have a basic node setup where noise distorts a mesh. I want to be able to apply this modifier to multiple objects and have the distortion be randomized for each ...
Glen Candle's user avatar
  • 1,867
4 votes
1 answer
459 views

Random rotation of instances

I am trying to use geometry nodes to build a wall, where the stones of every second layer are offset to create a brick-like pattern. I tried using mesh lines to points for more control, so that I ...
swat6296's user avatar
0 votes
1 answer
36 views

Animation not rendering (viewport still fine) & Random per island changes color on every frame

Somehow my animation is not rendering, it just render every frame I tell it to but no change in actual object movement. The playback in viewport is running fine. Also, I used random per island to ...
Adebo's user avatar
  • 1
1 vote
1 answer
264 views

Automatically randomize rotation for each duplicated object

Is there any way to randomize the rotation on z-axis of an object each time I duplicate it? The Randomize Transform feature doesn't work for me, because it needs to be done manually every single time ...
andrew spencer's user avatar
6 votes
2 answers
643 views

How to make a procedural texture from multiple images?

I have several images of ceramic tiles, square shape. I need to fill the surface with them so that they lay down randomly, and not I manually arranged them individually.
Akinetsu's user avatar
2 votes
3 answers
190 views

Geonode : Display instances scales as text

I need to display a bunch of fish instances with randomized scale. They are generated with geonodes. Under each fish, I need to display its ( randomly generated ) scale. As you may know using a ...
Nicolas's user avatar
  • 147
1 vote
0 answers
29 views

(Geometry Nodes) Instance on Points: Create Array Of One Object With Random Group Input Values [duplicate]

I have created a Geometry Nodes patch, which is able to switch between multiple Objects (simple number Meshes; Range: 1-8 ; Group Input: "NUMMER") in different types (e.g. Solid Green Look, ...
paulvonchamier's user avatar
12 votes
1 answer
1k views

Realistically randomize Rubik's Cube

A particular user with a Rubik's cube in avatar has inspired me by these questions: Random colors to geometry node creating a cube mosaic Randomizing colors on Rubik's cube faces is easy. But what ...
Markus von Broady's user avatar
1 vote
1 answer
1k views

How to apply random noise texture to instances?

What I had in mind was to use Geometry Nodes to take a sphere and apply a noise texture to distort the surface into an odd shape, then distribute that sphere as many instances on a surface. (...
Smith_USA_MD's user avatar
0 votes
1 answer
114 views

Creating random combinations of objects, a group of objects or collections

Consider 10 shirts, 10 pants and 10 shoes. Is there any way in blender I can quickly make a copy of all and make random combinations of all, each combination containing exactly one shirt, one pant and ...
Tejas's user avatar
  • 945
0 votes
1 answer
101 views

How to fill a fixed space with random instances

I want to fill a bookshelf with random instances of books. The books are available as instance collections and vary in size. I believe array modifiers cannot work with instances, and cannot pick from ...
cornergraf's user avatar
0 votes
0 answers
66 views

Random Emission Value Per Face

I followed the guide here https://blender.stackexchange.com/a/255013/164211 to create random colours preach individual face. I now want to be able to control the emission strength in the same way. I ...
Neil McNally Design's user avatar
0 votes
0 answers
82 views

Spawn Object with Random Color (Viewport Shading)

I've been stuck trying to instance objects with a random color set when the Viewport Shader color is set to Random. bpy.context.object.color = self.color The line ...
akaBase's user avatar
  • 101
0 votes
1 answer
219 views

Can I randomise the start of the animation in an Instanced object?

I'm making a scene with a submarine like corridor, and there are multiple revolving siren like lights. The issue is they're all spinning at the same time and it's not realistic, but I don't want to ...
Andy J's user avatar
  • 1
1 vote
1 answer
148 views

Randomize Color of an Object with Multiple Meshes

I'm making a container with multiple meshes inside and I want to randomize the color when I duplicate it. Like the left red one in the picture I want to change its color between blue/red/green but ...
Citizen Kane's user avatar
0 votes
1 answer
41 views

How to randomize some meshes appearing in a loop animation?

I need to create a terrain that moves under a vehicle, but some small meshes that appear on the terraine as it rolls must appear randomly. How could that be done or where should I start looking to ...
Mematio Caine's user avatar
1 vote
1 answer
66 views

Randomly reduce instances on Z axis

I am trying to randomly reduce instances placed on a grid in the Z-Axis. This is an example for what I am looking for. How can I achieve this using Geometry Nodes? I'll attach my example file, which ...
Schmidtli's user avatar
1 vote
2 answers
47 views

Can this random glitching face color behavior be fixed in Eevee and Vieport? Blender 3.4

I want to make random color depending on face position in Blender 3.4. I use geometry nodes to save attributes and use them in my shader. I get the following behavior depending on the renderer Vieport ...
Fedor  Petrov's user avatar
0 votes
1 answer
477 views

How can I randomly scatter objects uniquely within diferent instances in Geometry Nodes?

I made a procedural Overhead Sign Group Node. See .blend file below. I have a collection of 5 blue panels which I distribute over the metal framework by creating a mesh line and points. Now the order ...
Pieter Léon's user avatar
2 votes
1 answer
202 views

Combine multiple fonts and randomly choose from them using Geometry nodes

Combine multiple fonts and randomly choose from them using Geometry nodes I'm trying to randomly choose from multiple different fonts. I tried using the join but it seems not to be working as ...
Rick T's user avatar
  • 4,521
2 votes
0 answers
501 views

Geometry nodes: is there a way to separate parts of mesh that are only connected by one vertex? [closed]

I used a random value to get portions of mesh from a grid and I am now trying create mesh islands that I can inset. There are parts of the mesh that are only connected by one vertex that I am trying ...
Middle Name's user avatar
1 vote
1 answer
775 views

How to randomize deviation of position per instance with Geometry nodes

I have a GeometryNode setup with which I generate instances in X,Y,Z directions and randomly change the angle of each instance. This works fine. Now I would like to control slight deviations of the ...
Yvana's user avatar
  • 43
3 votes
1 answer
639 views

A way to change the seed value every N frames?

Using Blender 3.4.0 Beta I'm using geometry nodes to instance a honeycomb curve circle on points using a Grid node. It looks like this: I've filled the curve to create the face, realized the ...
Eric's user avatar
  • 31
0 votes
0 answers
36 views

Geometry Node - recursion [duplicate]

I'm a bit new on blender and I want to make a building but with random size. The first try was to make a vertical grid with a random on "vectices Y" but this field dont accept random numbers....
Fardouk's user avatar
1 vote
0 answers
14 views

Randomize values for each nested Geonode? [duplicate]

I have a nested geonode of generated plants, and I want to randomize these plants with another geonode. But once I plug into a random value into the instanced plant, it shows me an error. Is there a ...
Nico's user avatar
  • 31
1 vote
2 answers
313 views

Distribute pointed objects on a curved surface with random orientation and constraint

I am trying to put objects with random orientations on a curved surface, however the orientations must be limited to directions pointing away from the surface, thereby, avoiding clipping the surface. ...
WiseKouichi's user avatar
0 votes
0 answers
41 views

blender crashes at rendering with random textures

I want to render a file with different textures in the background. The background is a particle system which has about 500 particles per frame. The objects are only Mesh objects you can add in Blender ...
Nekirion's user avatar