A texture slot of the PBR material: the texture alone samples the uv attribute; the object form picks the texture coordinate set, 0 for uv (the default) or 1 for uv1, as glTF's texCoord does.
uv
0
1
uv1
texCoord
A texture slot of the PBR material: the texture alone samples the
uvattribute; the object form picks the texture coordinate set,0foruv(the default) or1foruv1, as glTF'stexCoorddoes.