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b3d -> glTF: Gracefully normalize normals

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Lars Mueller 2023-04-02 14:43:31 +02:00
parent c48e4bf340
commit 88fec749f5
1 changed files with 3 additions and 1 deletions
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4
b3d.lua
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@ -725,7 +725,9 @@ do
if has_normals then if has_normals then
attributes.NORMAL = add_accessor("VEC3", "float", false, function(write_byte) attributes.NORMAL = add_accessor("VEC3", "float", false, function(write_byte)
for _, vertex in ipairs(mesh.vertices) do for _, vertex in ipairs(mesh.vertices) do
write_translation(write_byte, vertex.normal) -- Some B3D models don't seem to have their normals normalized.
-- TODO (?) raise a warning when handling this gracefully
write_translation(write_byte, modlib.vector.normalize(vertex.normal))
end end
return #mesh.vertices return #mesh.vertices
end) end)