Questions tagged [mathematics]
Use of maths inside blender.
691 questions
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How to create / calculate evenly spaced rings in geometry nodes
I can create the rings by using the repeat node but the spacing is not even
one is 0.34mm and another is 0.476mm how can I calculate it so the spacing is evenly spaced at any distance I choose? ...
- 450
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Rotating instances in a certain pattern / at a certain angle using geometry nodes
I'm designing several meta-surface antennas to test and visualise different radiation patterns. I can successfully generate a grid of circles, but I'm having trouble rotating each instance at ...
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Calculate center of object and move it to the origin and center it using geometry nodes
I'm trying to calculate and move an object center to the origin
Correct looking object
Moved object
Calculate center of object and move it to the origin and center it using geometry nodes. (The ...
- 450
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Generating a triangle with a perfectly rounded tip
I'm aware this question may not belong in this forum, but I'll try to ask anyway.
Given a triangle formed by 3 vertices (v1, v2 and v3), I want to generate a perfectly rounded tip on it in the form ...
- 179
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Geometry Nodes. Moving Vertices of a Cycle towards one Index
I'm building a generator in Geometry Nodes were Instances (Plants) are growing on the Points of a Cycle. The rotation of the individual instances is the rotation of the vertex its growing on.
I now ...
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General method for flattening rotated cut torus slices to horizontal plane in geometry nodes
I'm slicing through a torus using planes at different rotated angles, and I want to rotate each cut slice so it lies flat and horizontal.
While it might seem like simply reversing the initial rotation ...
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Adapting Hopf Fibration of sphere to another shape - Geometry Nodes
How can I adapt the Hopf Fibration using Geometry Nodes to work with a golden mean egg-shaped geometry instead of a spherical one (so the points can be place on the egg shape).
Original Hopf code ...
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Geometry Nodes Projection Camera
I am creating a stylized animation in which everything takes place on a 2D plane.
I have a complex geometry node setup that applies some stylized effects but they are all made to work in 2D. I quickly ...
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Lissajous Curves [duplicate]
I'm generating Lissajous curves with Geometry Nodes. Everything is fine with a=b=1, but when I change a or b, I have to toggle sin↔cos, apply phase to X or Y, and even rotate the geometry ±90° to make ...
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How can I replicate the "Fast Integer Noise" of the Brick Texture node in Geometry Nodes?
This is a very localized question that I've been struggling with and can't seem to find a reasonable answer to.
I may be overlooking something essential here, but I just can't figure out what's ...
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Script to convert After Effects Camera rotation to Blender
I have After Effects ExtendScript (.jsx file that I exported from Google Earth Studio) with camera movement and camera rotation animation. In After Effects camera works correctly, but when I'm trying ...
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Recreating a formula in GeoNode for missile tracking behavior
I am trying to replicate a missile simulator in GeoNode, and after many attempts I can't get what I'm trying to get from my projects.
I am following this video for controlling the direction of the ...
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Recreate this Ease Color Ramp With Math?
I have this color ramp set to ease. Is there a way to recreate it with math nodes? I want to be able to input custom textures and use a node group with it. The solutions I've found don't work for ease....
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Select by Z position for a height mask with geometry nodes
I'm trying to learn geometry nodes and wanted to create a simple height mask with it, but I'm not sure what I did works. I used the Z position and extracted the min and max values which I put in a ...
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How to detect if a point is in an area in world space past another point
I'm trying to detect if a point in geometry nodes is within a certain area, which is a broad question but take a look at the image.
I want the points (those little blue dots) to detect if they are ...
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