| attr | The vertex attribute to check for. |
bool Returns true if the data attribute is present in the Mesh. Returns false if it is not.
Checks if a given vertex attribute exists in the MeshData.
Most Mesh vertex attributes are optional. For example, a Mesh might contain only vertex positions, normals, and one UV coordinate. Use this method to check whether a given vertex attribute is present in a Mesh. See Also: Mesh.HasVertexAttribute, GetVertexAttributeDimension, GetVertexAttributeFormat, Mesh.AcquireReadOnlyMeshData.
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