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Questions tagged [mathematics]

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Use of maths inside blender.

694 questions
Newest Active Bountied Unanswered
3 votes
2 answers
58 views

I have these two perpendicular vectors that I want to align a cube to using geo nodes. I can simply align it to the first one by using an Align Rotation to Vector ...
Jurgy's user avatar
  • 145
0 votes
1 answer
21 views

I am working on a Shader that has a burst of light after a sequence, and am encountering an issue with the logic after it. I have provided 4 photos for the 4 sliders on the color ramp. Factor at 0: ...
Grant Shimkaveg's user avatar
  • 1
2 votes
1 answer
35 views

My goal is to project a rectangular hex-pattern mesh (like a honey comb) onto a Klein bottle. Since it is curved i can't use only shrinkwrap since I must bend it along the bottle first. Mathematically ...
Martin Lübcke's user avatar
  • 61
0 votes
1 answer
49 views

Hello I've searched for hours today for ways to do a displacement that follow the flow of another curve object for a lowpoly cartoon fire model. I went on this page (Stretch Noise Displacement along ...
user262950's user avatar
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0 votes
0 answers
62 views

I'm trying to calculate the screen coordinates of vertices in my scene and figured I'd try a technique that's quite familiar from working in OpenGL: normalized display coordinates. This calculates the ...
Mantissa's user avatar
  • 117
1 vote
0 answers
100 views

just starting to learn geometry nodes in Blender 5.0. I'm making an utility with geometry nodes but in order to achieve what I have in mind I have to recreate the "even" extrude the solidify ...
Talk3d's user avatar
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0 votes
0 answers
31 views

I have followed the instructions of this tutorial to make a procedural vortex that looks like a fiery whirlpool. It looks mostly perfect except I need for the very center of this vortex to appear as a ...
S. Imp's user avatar
  • 203
4 votes
3 answers
446 views

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? ...
Still's user avatar
  • 460
2 votes
1 answer
113 views

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 ...
Rick T's user avatar
  • 5,339
3 votes
1 answer
112 views

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 ...
Still's user avatar
  • 460
2 votes
1 answer
100 views

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 ...
Midas's user avatar
  • 179
3 votes
2 answers
186 views

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 ...
Arnold Schwartenstecher's user avatar
  • 31
0 votes
1 answer
102 views

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 ...
Rick T's user avatar
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0 votes
0 answers
84 views

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 ...
Rick T's user avatar
  • 5,339
0 votes
2 answers
203 views

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 ...
Jonathan Farrell's user avatar
  • 3

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