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support for quad meshes #119

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nitinagarwal opened this issue Aug 30, 2023 · 4 comments
Open

support for quad meshes #119

nitinagarwal opened this issue Aug 30, 2023 · 4 comments

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@nitinagarwal
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Does xatlas support unwrapping and packing of quad meshes?
Is that on the roadmap?

@rondreas
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It is supported, when you make the xatlas::MeshDecl give it a vector of int for number of vertices per face,vector should be size of face count

// Optional. Must be faceCount in length.
// Polygon / n-gon support. Faces are assumed to be triangles if this is null.
const uint8_t *faceVertexCount = nullptr;

@nitinagarwal
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Thanks for your reply.
Do you also support quad meshes which already have uvs.
A potential use case could be to just use the xatlas packing algorithm with predefined uvs.

I couldnt find it in

struct UvMeshDecl

@mifth
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mifth commented Oct 25, 2024

Yeah, it would be great to have quads for uv meshes, As a workaround we can triangulate UVs/polygons manually.

@mifth
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mifth commented Oct 27, 2024

There were some issues with Quads and NGons. I've fixed them in this pull request:
#138

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3 participants