Questions tagged [geometry-nodes]

Use this tag for questions regarding Geometry Nodes, a modifier added to Blender in version 2.92 to manipulate geometry in a Blender scene.

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Geometry Nodes : Align euler to Normal vector not working with modifers

From the screenshot supplied you will see that the node setup is correct for align Euler (I think) but the lattice modifiers I have used (and need to keep for non destructive editing) don't seem to be ...
Neil McNally Design's user avatar
1 vote
1 answer
57 views

Geometry Nodes: How to begin countdown from any frame with a click?

This is going to be a very specific question, about a very specific problem. I am trying to make an interactive game, similar to Who wants to be a Millionaire, where I want to have Blender run ...
Demeterino's user avatar
3 votes
1 answer
116 views

How to loop animation and randomize position of points

In this learning experiment, I want to use a field to offset the positions of points in a grid and then put an instance on the points of the grid. As I would like to animate this over time, I am using ...
Neil's user avatar
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2 votes
2 answers
184 views

How do i connect points A to B following the sphere curve, and then add some height ad midpoint of the curve? (Flightpaths)

I have been really struggling past couple of days on how to connect the points of A to B, and create a nice curve line between the points. I want the midpoint of the curve to be elevated, so as to ...
Stefanos's user avatar
0 votes
0 answers
13 views

How to have an index by multiple proximity effectors, to affect different affected areas as islands?

I have this simple setup that takes a collection of effectors and scales parts of a sphere by proximity. Let's say I want to make each affected area have a different scale, it seems that when I add a ...
PrinterKiller's user avatar
1 vote
1 answer
28 views

Geometry Nodes: Mesh or Polygon parenting face to another face (visually)

I was wondering what would be the best way with Geometry Nodes to achieve this effect below in the image, if we had only 3 faces of geometry. Of course the intention eventually is that there would be ...
Manu Järvinen's user avatar
1 vote
1 answer
45 views

GeoNodes set position on vertices in vertex group along their normals

I like to procedurally change the position of vertices in a selection (vertex group) randomly in a certain direction with a defined min/max threshold along their Normals. And here is also where I fail ...
chubaka's user avatar
  • 15
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1 answer
79 views

"Texture Space" vs "Texture Map"

Could someone please explain how Blender handles textures when creating objects in Geometry Nodes? For example, consider this sphere I created in Geometry Nodes. One of the nodes is plugged into the ...
Orange in Dark's user avatar
2 votes
1 answer
80 views

Is extrude face along normal that can be done in edit mode also possible in geometry node?

I would like to create the right side of the attached image using a geometry node. However, the geometry node's extrude mesh must be executed by selecting one of the three types: "face", &...
vector man's user avatar
1 vote
2 answers
94 views

How to calculate the distance between vertices couples and show it as text

I wish to create a function using geometry nodes that calculates the distance between consecutive vertices of a mesh, and adds text depicting the calculated distance between each pair of vertices, ...
crucchi's user avatar
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1 vote
0 answers
17 views

How to Simulate geo nodes Particles in World Space? or Atleast Fake it [duplicate]

i have a geo nodes sim with two swords colliding one is set as emitter other as collider but the particles are following emitter swords rotation i have thought about locking the rotation vector to a ...
AAA's user avatar
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0 answers
37 views

Is there a way to lock Shader node In blender?

After completing the work, to customize all the nodes, we use the Tab key. Now, I'm wondering how to lock or restrict access to this shader. In other words, I want to ensure that other users can't see ...
Alireza Taherpour's user avatar
3 votes
2 answers
247 views

Is it possible to assign different images on instances in geometry nodes?

I have all the things ready like images, mask, as well as geometry node. I'm confused at this point that how can I assign different images from Shader to Geometry Node's instances. Attached image will ...
Muzammil12's user avatar
0 votes
0 answers
29 views

Geometry Nodes: Extrude in World Space on Rotated Mesh

I'm trying to extrude vertices upwards in world space, but I'm not sure how to correct for a rotated mesh. Would love a little help in figuring out how to transform that vector! EDIT: Here's the ...
Kyle Youngblom's user avatar
5 votes
0 answers
58 views

GeoNodes: How to use captured positions from one set of points and offset individual mesh island positions using the captured positions

Link to the blend file (uses Blender 4.0): My question is a little long, but hopefully with the screenshots it becomes clear what I am trying to achieve. Here's what I have so far in my geometry ...
Joshua Hawley's user avatar
2 votes
1 answer
52 views

How can I edit set distance result in x axis?

I've been following MaxEdge's tutorial for making an eye with Geometry Nodes. However, their way only has control over the pupil size, while I also want to be able to make the pupil oval-shaped in a ...
Jaxmaru's user avatar
  • 23
1 vote
1 answer
31 views

Bending loop effect with Simulation Nodes

I try to animate a simple and lightweight leave wind movement, for a complete tree. I use Geometry Nodes to scatter leaves on branches, and a geometry node on the trunk mesh to scatter branches. I ...
leevmealone's user avatar
1 vote
1 answer
44 views

Use Geometry Nodes to Deform a Curve by the Shape of Another Object

I have a ground plane will some hills. I also have a curve object. I want to use Geometry Nodes, to deform the curve, and give it the same shape as the ground plane that is underneath it. Sort of the ...
Ryan King Art's user avatar
1 vote
1 answer
45 views

Adjusting distance between instanced objects in geometry node

I have a collection of objects in varied sizes and have them distributed along a curve I created. The objects have inconsistent distances between them, and ultimately i would like to control the ...
m0m0m0's user avatar
  • 11
0 votes
0 answers
31 views

Keep attributes after Instance on Points Node in Geometry Nodes

Is there anyway to keep attributes when using Instance on Points?
clankill3r's user avatar
  • 1,191
0 votes
1 answer
62 views

Positive "Instance scale" value returned for instanced objects with actually negative scale applied

I noticed something weird that nobody seems to have reported yet (but I am still using Blender 3.3.12, checked that the result was identical with 3.4.1 but can’t run newer versions on my current ...
robinfredericf's user avatar
0 votes
0 answers
29 views

Exporting vertex colors made with geometry nodes in .FBX for Unreal engine

I'm having trouble exporting vertex colors which I assigned via geometry nodes. The advice given in these posts: How to export vertex colors , How to keep vertex colors generated with geometry nodes ...
otto's user avatar
  • 47
0 votes
1 answer
88 views

GN : Texture position doesn't match in "Material preview" with "Render Preview" Unless I tweak the "Color Ramp"

I have made this Capsule. Now I've made it like this and set the color ramps blue color to 0.499 and it works fine here: But when I set the color ramp to 0.5 now the "Material preview" and ...
Orange in Dark's user avatar
2 votes
1 answer
170 views

How to 'spread jam' effect using geometry nodes?

I am trying to simulate jam being spread across a burger bun. I want to use geometry nodes to do this. The end result will look like this: And I want to appear on the bun like it's being spread (I ...
yojimboyd's user avatar
1 vote
1 answer
56 views

How do I animate the radius filling up along curve?

This is a burger with mayo on it. I want to simulate someone squeezing out this mayo onto the bread. I already achieved the finished result using a spline parameter and float curve. However now I ...
yojimboyd's user avatar
2 votes
2 answers
154 views

Curve tilt of instanced curves to follow sampled geometry

I have a node set up that requires curves to follow a plane. (the plane is manipulated outside of geonodes and the curves follow) Is it possible to have the curve tilt follow the normals of the plane? ...
special_frog's user avatar
0 votes
0 answers
71 views

Snapping vertices to vertices of different plane

I am looking to create an effect where I have two planes snapped to each other, where, when one scales up on the z-axis, the other one scales down so that the sum of the two (or three, or four) always ...
Bingo Bango's user avatar
0 votes
1 answer
36 views

How can I deform individual instances using geometry nodes? [duplicate]

I have a simple fish model and can bend it around Z axis using geometry nodes - bending factor is linked to input attribute: What I'm trying to do is to distribute this model in volume and apply ...
pavelplus's user avatar
2 votes
1 answer
50 views

Curve to Mesh for open curves

I have an .obj file that I load that represents a curve 1 v x1 y1 z1 2 v x2 y2 z2 3 v x3 y3 z3 ... n v xn yn zn f 1 2 3 ... n Then I can click my mesh and do ...
Cedric Martens's user avatar
2 votes
1 answer
90 views

"Transform geometry" Node does not affect the texture

Hi could someone please show me a simple solution to fix this in blender 4.0? Hi. As you can see when I set the material in geometry nodes its perfectly centered. But when I rotate it, it stays at ...
Orange in Dark's user avatar
0 votes
0 answers
44 views

Why do geometry nodes need the first basic object to be created manually?

Could someone please help me to understand why we need the group input to create something in blender? why we cant directly create objects in the viewport via geometry nodes without first adding a ...
Orange in Dark's user avatar
2 votes
1 answer
42 views

Visualizing the "Selection socket" of the "Set Position" node

Could someone please correct me if I am wrong? It takes Boolean. So If I connect only the Z axis via "Separate XYZ" and use "Compare Node" to get only values larger than 0 it will ...
Orange in Dark's user avatar
4 votes
1 answer
228 views

How can I create a procedural "vent" mesh?

I'm looking for a way to easily create vent tunnels for a game. Is there a way to dynamically turn this mesh: Into something like this? Things I'm looking for: You can't see in the second picture, ...
Luke B.'s user avatar
  • 137
2 votes
0 answers
51 views

"Separate XYZ" separate the Z axis in half! why?

As you can see I have not used the "Compare node" to choose the positions greater than zero but the "separate XYZ" node has already done that why is this happening? I was following ...
Orange in Dark's user avatar
0 votes
0 answers
36 views

Align euler to vector problem [duplicate]

I am trying to instance a collection on each face of a mesh, and rotating each instance to align each instance to normal of face, but alignment gets broken if mesh has other than standart orientation
raiderukkus's user avatar
2 votes
1 answer
38 views

Add object on position of face

Can someone explain me why my node tree is failing? I want to spawn Geometry on faces that I delete. Here two half hexagon faces are deleted (if they where thre you would see 3 hexagons...): Here is ...
clankill3r's user avatar
  • 1,191
2 votes
1 answer
60 views

How to use Geometry Nodes to move objects in a collection?

I'm a bit desperate because I can't find a solution online after a long search. I hope to get help here. I want to create a construction animation - with all objects in a certain collection. That ...
JeffreyWalther's user avatar
1 vote
2 answers
93 views

Get vector position of single face from capture attribute node

I have a cone which is being positioned relative to the face which has points distributed on it. I want it to animate on the normal position of that face. The problem I had was that it always starts ...
Neil's user avatar
  • 1,976
1 vote
1 answer
54 views

How to add a defined radius between two curves in geometry nodes

Is there a way to add a defined radius between two curves in geometry nodes? (The two curves are also defined in GN.) Update: This is what happens when I use Bezier Segments with the proposed ...
Steve's user avatar
  • 446
0 votes
0 answers
42 views

Procedural toothpaste texture on beveled curve

Imagine drawing with colored toothpaste. If you rotate the tube around its own axis while drawing the path, the texture is simple like this: But if you hold the tube in a fixed position while drawing,...
Tortenrandband's user avatar
3 votes
1 answer
76 views

How to find / search where a node is in geometry nodes tree

How to find / search where a node is in geometry nodes tree. I have a large node tree and would like to be able search / find specific nodes like set material nodes, is there a search or key ...
Still's user avatar
  • 159
3 votes
1 answer
69 views

Geometry Nodes: How to rotate 90 degrees around a certain object as the axis of rotation?

I would like to achieve a function that can rotate and duplicate a specified number of objects around a certain reference axis. However, I am encountering an unsolvable problem with regards to how to ...
levosaber's user avatar
  • 109
0 votes
0 answers
23 views

Rendering hair curves only

Is it possible to render fur or hair created by hair nodes without the underlying geometry like a plane or a modeled mesh?
Robert Hintz's user avatar
0 votes
1 answer
43 views

Geometry node to align an object with the direction of the edges on a line-like mesh

What I want to do is the following: I want some way to easily make objects that look like a system of tubes or pipes. I start with an easily-editable mesh that is basically extruded points (edit mode ...
Roel's user avatar
  • 205
0 votes
0 answers
58 views

How to render a lot of hairs easily

I try to make a rug generator with geometry nodes. I already have a functional generator for the shape of the rug but I struggle to render a large amount of hairs. I might need to make large rugs (...
leevmealone's user avatar
4 votes
2 answers
119 views

Geometry nodes - Curve to mesh with profile and taper or scaling in two axis

I want to extrude a rectangular handrail along an existing spiraling curve. The handrail should get thinner and wider at the end of the spiral (as if it was blacksmithed). Setting a curve radius only ...
cbergmiller's user avatar
0 votes
0 answers
18 views

Increase Curve Circle resolution with the amount of instance [duplicate]

I have the following setup here. It use a mesh line, converted in to instance, to create a ring of curve circle. I want the circle resolution of the outer circle to have more resolution than the inner ...
Binh's user avatar
  • 1
2 votes
1 answer
68 views

Geometry Nodes Split a Curve at Control Points and Instance Along Each Segment

I'm using Geometry Nodes for some complex manipulations but I'm encountering a challenge with the final part of my workflow. Here's what I've achieved and where I need help Splitting and Scaling ...
Etienne Sommer's user avatar
5 votes
2 answers
167 views

Double Pendulum in Geometry Nodes

I want to simulate a a double pendulum in geometry nodes. I'm using this derivation from this site. However, the simulation is just a bit off. Either it will eventually just start spinning around in ...
TheJeran's user avatar
  • 2,581
3 votes
1 answer
98 views

Aligning Instances for DNA unwinding in Geometry Nodes?

I am using Blender 3.6.0. Apologies if my question wasn't clear. I am using Geometry Nodes to model and animate DNA and have figured out a great node setup thanks to Brady Johnston's wonderful ...
Ivan Perez's user avatar

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