Questions tagged [3d-meshes]
Geometric representations of objects in 3 dimensions. 3D-meshes are made up of a collection of triangles or other polygons, forming volumes and surfaces. They are commonly used for visual representations on computer screens.
409
questions
0
votes
0
answers
35
views
Implementing pyramidal "half-voxels" to smooth terrain (not marching cubes)
I need pointers and advice about this idea. I know next to nothing about coding, but I like to design games and come from the art side. I'm designing a survival 3d game which so far doesn't feature ...
0
votes
1
answer
74
views
IIn video games, are slight damage details, like say on a tank, made by modifying the geometry or by using textures?
Here are images of real tanks and I drew arrows into the places with slight damage:
In video games, are those made by modifying the geometry or with textures?
- 133
0
votes
0
answers
18
views
Select polygon (and create submesh) by color of texture?
For a procedural unity mesh operation:
What is a performant way to select polygon (and create submesh) by color of texture?
Raycast hit a point on the mesh, then paint bucket search for the same ...
- 294
0
votes
1
answer
59
views
How to create an infinitely long tunnel that a player is flying inside of, while letting them control the path the tunnel takes?
I'm trying to create a game where the player is flying in an infinite tunnel in first person and they can control the tunnel's path in real-time. e.g if they press D, then the tunnel should turn to ...
- 133
1
vote
2
answers
102
views
How does LOD (Level of Detail) work in Unity?
There are many Unity assets that create simplified LOD's for many complex or big meshes. This LOD technique will make the apps run faster and more efficient.
I am new to Unity and LOD. So, I am ...
0
votes
1
answer
74
views
Path3d Offset from GlobalPosition
my path3d node is several meters away from the global position.My transform are not changed from their base setting.
Code:
...
- 23
0
votes
1
answer
61
views
Can I convert a Unity file with the extension ".asset" to ".prefab"?
I am using a Unity asset to combine many meshes of many objects in my scene to one object. The name of this asset is "Mesh Combiner", and here is the link to the asset:
https://assetstore....
0
votes
1
answer
35
views
How do I go about Mesh Simplifcation in generating multiple LODs?
I have been recently looking for any information on creating multiple LODs (level of detail) for an inputted mesh. However, there does not appear a lot of articles or pseudo code on how to go about ...
0
votes
0
answers
56
views
How to render two different meshlets at two different LODs in a Mesh Shader?
I would like to know how to render two different meshlet at two different LOD values.
So, for example, I render the meshletA at LOD1 and I render the mesheletB at LOD2.
Please let me know if this is ...
- 51
0
votes
1
answer
42
views
tubular mesh around any y=f(x). issue calculating normals
I used this to help create a 3d cylindrical mesh that wraps around any y = f(x).
Each vertex is calculated by a point P:
...
0
votes
1
answer
62
views
Modelling assets from within game
I'm helping to build a game using the Unreal engine. My friends are working on other parts of the game such as UI, AI, npcs, camera and movement interpolation, etc.
My job is to work out the building ...
- 1
10
votes
3
answers
9k
views
How do game engines avoid recalculating normals upon mesh rotation?
Assume that a face of a mesh is defined by vertices A, B, C and that the normal of the face ...
- 336
0
votes
0
answers
32
views
In Unity: how can I get the precise diameter of the cross section of an imported mesh?
For a simulation, I imported a mesh structure into my Unity project. This mesh consists of triangles and cannot easily be modelled by spheres/ cubes etc.
I am wondering, if there is a way to get the ...
- 11
1
vote
1
answer
290
views
Detect intersections between an `AABB` and a `CollisionShape3D`
I thought this would be a simple matter of getting the mesh that defines the CollisionShape3D and checking if any of the triangles of the mesh intersect with the <...
- 127
1
vote
0
answers
300
views
Tilemap vs terrain vs optimized mesh for top-down game
I'm experimenting with a top down vertical scroller in Unity, with a perspective camera, NOT orthogonal.
(It's unclear how 'pixelated'/pixel art I will want the graphics but that's another question)
...
