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.
60
questions
0
votes
0
answers
27
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 ...
- 1
0
votes
1
answer
55
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?
2
votes
1
answer
84
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 ...
1
vote
0
answers
19
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 ...
1
vote
2
answers
79
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 ...
- 13
0
votes
2
answers
52
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 ...
- 321
1
vote
1
answer
10
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....
- 11
0
votes
0
answers
44
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 ...
- 1
0
votes
1
answer
28
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.
2
votes
2
answers
161
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+
- 373
4
votes
2
answers
325
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 ...
- 1,584
4
votes
1
answer
192
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 ...
- 43
0
votes
1
answer
31
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 ...
- 1
1
vote
1
answer
224
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 ...
6
votes
2
answers
609
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.
- 63
2
votes
3
answers
134
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 ...
- 147
0
votes
0
answers
113
views
Random color to array, "random per island" gives the same mesh two different colors
I'm trying to give my objects in an array different colors with "random per island" - but it assigns two colors to the same mesh. It's an object I built with the mirror modifier so it would ...
- 1
1
vote
0
answers
28
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, ...
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 ...
- 31.6k
1
vote
1
answer
477
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. (...
- 77
0
votes
1
answer
60
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 ...
- 943
0
votes
0
answers
27
views
how would I randomise object in geo nodes
Ive made a scene with multiple poles lit on fire but I can't figure out a way to use geo nodes to randomise the fire so it is different on each pole. I would think there is a way to use geo nodes but ...
0
votes
1
answer
64
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 ...
- 125
0
votes
0
answers
41
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 ...
0
votes
0
answers
65
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 ...
- 101
0
votes
1
answer
91
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 ...
- 1
1
vote
1
answer
109
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 ...
- 13
0
votes
0
answers
114
views
Randomizing the rotation (direction and angular velocity) of 'images as planes' from a single particle emitter
This feels like such a trivial thing to do and I feel like quite the idiot for not solving it already.
I am in the middle of 'learning blender3.4 by fire' and attempting to create a 2D animation of an ...
- 1
0
votes
1
answer
34
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 ...
1
vote
1
answer
48
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 ...
- 15
0
votes
0
answers
75
views
Make random holes on the selected faces of a mesh
I have this simple box:
I started with a Cube, removed the top face, changed the dimensions and applied a Solidify modifier.
Now I would like to make some holes on specific faces. I don't want to do ...
- 205
0
votes
0
answers
26
views
How can I jampack the metallic wires in an optical fibre cable? (Image in the body/descripton)
What approach should I take to put the metallic wires in a random fashion yet packed inside the rubber coating?
As shown in the marked area, it's visible that the wires are fixed there. They are not ...
- 1
1
vote
2
answers
43
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
...
- 223
0
votes
1
answer
268
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 ...
- 335
2
votes
1
answer
156
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 ...
- 4,081
0
votes
0
answers
20
views
Randomized Object Per Instance on Point [duplicate]
My current node set up is as follows with the Object being "imported" into geometry nodes, getting modified by a node and a node group, before being instanced to the points. I would like to ...
- 61
2
votes
0
answers
373
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 ...
- 43
1
vote
1
answer
458
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 ...
- 43
3
votes
1
answer
379
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 ...
- 31
0
votes
0
answers
35
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....
- 1
1
vote
0
answers
12
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 ...
- 31
1
vote
2
answers
180
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. ...
- 11
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 ...
- 11
1
vote
0
answers
73
views
Randomize Scale on Particle Properties
I am completely new to Blender and want to build a cube as a particle system. My particle is an object collection of 2 objects (cube, cone). I use Volume as Emitter, no physics and a Lifetime of 2 ...
- 11
0
votes
0
answers
84
views
random change of position or scale in the collection using geometry nodes
I have candles arranged in three curves and I need to be able to make an animation of the appearance by position or scale randomly for each candle
- 3
0
votes
1
answer
120
views
How to randomize toon shader colors
I'm trying to do some beads for my model but I have a problem with the colors. I want to add lot of beads with geometry nodes and for that, randomize their color, but I don't know how to randomize the ...
- 88
2
votes
2
answers
3k
views
How to randomize instances position?
I can randomize the rotation and scale with the instance node but what about position? I wanna scatter it along the z axis using random value.
2
votes
0
answers
48
views
Randomize modifier inputs
In this model I'm using a couple instances of the simple deform modifier to non-destructively give it a more naturalistic shape. I'd like to randomize the Angle inputs of these modifiers so that each ...
- 61
0
votes
0
answers
21
views
How to add 3 gradients ColorRamp random to my object? [duplicate]
How to add 3 random ColorRamp gradients to my object?
I have multiple buckets, how to add 3 colorramps gradients randomly to my object?
I can not do it.
4
votes
1
answer
703
views
Traffic along a curve in Geo Nodes without clipping (overlapping)
I made a traffic system with Geometry Nodes as you can see below. (Thanks to the How to make Traffic Systems in Blender video by Bbbn19 on YouTube)
The problem is that clipping occurs and that I can't ...
- 335