Fix gltf accessor's bufferView could be undefined - Githubissues

galacean / engine

A typescript interactive engine, support 2D, 3D, animation, physics, built on WebGL and glTF.

https://galacean.antgroup.com/engine

MIT License

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Fix gltf accessor's bufferView could be undefined #2013

Closed gz65555 closed 7 months ago

gz65555 commented 7 months ago

Please check if the PR fulfills these requirements

[x] The commit message follows our guidelines
[x] Tests for the changes have been added (for bug fixes / features)
[ ] Docs have been added / updated (for bug fixes / features)

follow the instruction of standard of gltf: https://github.com/KhronosGroup/glTF/blob/main/specification/2.0/schema/accessor.schema.json#L12C13-L12C212

The bufferView field of accessor could be undefined. We should use 0 instead of undefined.