2,691 questions
-2
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How the mesh extracted by marchingcubes algorithm organizes the topology？ [closed]
After I apply the MC algorithm, each face is not applied to the vertex index resulting in a mesh with a lot of duplicate points, if I remove the duplicate points directly the time will be very long, I ...
0
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0
answers
23
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Why is the cube defined by this .obj file missing a face? [closed]
In order to better understand 3D modeling and the .obj format I want to write a simple model from scratch: a brick that is 1 x 2 x 3.
To my way of thinking, a brick has 8 vertexes and 6 faces.
Here is ...
- 4,284
0
votes
0
answers
18
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Why does my RealityKit floor material float or misalign even though .floor classification is detected?
I am just learning and trying examples on web. So I am using RealityKit to apply a flooring material (a texture named "Laminate_1") to detected floors. My goal is to have the material ...
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2
votes
2
answers
112
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Voronoi mesh for a 3D polygon
I spent my last week looking for a mesh generator that, given the vertices of a 3 dimensional polygon (such as a cube or a tetrahedron or a dodecahedron and so on) and the number of points (internal ...
- 193
1
vote
1
answer
115
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How to bend properly a mesh
As the title suggests, I would like to curve a mesh. I have an algorithm that works, but I'm stuck on certain points... Here is my code:
var mesh_data = mesh.surface_get_arrays(0)
var vertices = ...
- 19
0
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0
answers
26
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How do you get a prefab w/ Skinned Mesh Renderer to attach to an avatar on instantiation?
I am working on a modular equipment system. The player will be able to swap out many pieces of gear and see it change on their model. I ultimately want to load the gear pieces through the addressables ...
- 1,815
1
vote
0
answers
47
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Problem when generating a Goldberg sphere using godot
I am trying to generate a Goldberg sphere from an icosphere using my implementation of the Conway dual operator. But weirdly, the sphere doesn't appear correctly:
This is the code of the dual operator:...
- 33
1
vote
1
answer
83
views
Visible grey edges inside Html-canvas
Hello i am trying to export a uvmap for a model and i am filling triangles(meshes) with color, it works but i always see grey mesh lines. i tried to draw lines if i draw the lines with different color ...
- 37
1
vote
1
answer
61
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Rotating Cylinder Mesh with python
I am trying to create cylinders with python and saving them in an object file. The cylinder mesh generation is working fine and placing the cylinder at a specific x, y, z coordinate is also working ...
- 11
0
votes
1
answer
38
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CGAL convert polygonal mesh to triangle mesh
I have a set of 3D polygonal meshes created with some CGAL algorithms (KSR in my case) and want to compute some metrics on them. However, some Polygon_Mesh_Processing functions that I would need to ...
- 149
0
votes
1
answer
93
views
Periodic Line in Gmsh Python api: affineTransform needed?
Using the Gmsh Python api with OpenCASCADE, I'm trying to create a periodic mesh, such that the left boundary matches the right one and the top matches the bottom. A .geo file works fine, but gmsh....
- 35
1
vote
1
answer
49
views
How can I detect collision between a box and a minimum poly collision mesh?
Mostly a C++ newbie, trying to do a 3D game in Raylib.
I have a set of fairly irregular meshes that I'd like to see if a box collider has penetrated. For this project, a fairly high level of accuracy ...
- 215
0
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0
answers
23
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Writing vtk unstructured grid in exodusii format
I would need to write a vtk Unstructured Grid in exodus format. The grid contains various types of cells:
import vtk
vtk_reader = vtk.vtkXMLUnstructuredGridReader()
vtk_reader.SetFileName("input....
1
vote
0
answers
55
views
Incremental Updates on Bounded Voronoi Diagram
I'm seeking advice on the implementation of incremental updates on a bounded voronoi diagram. Specifically, I have an interactive application where users can drag the sites of a voronoi diagram and it ...
-1
votes
1
answer
33
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How do I split an OBJ file into three parts using blender 2.90
I have an object that I want to split into 3 segments and save into individual obj files. The object is placed in the center and the x-y plane. I want to cut them along the y-axis. I have attached a ...
