A mesh origin moved by -delta, as a NEW array (origins may be shared between pieces, so never write through the old one). An absent origin means the positions are absolute render-frame values, which is origin [0,0,0].
-delta
[0,0,0]
A mesh origin moved by
-delta, as a NEW array (origins may be shared between pieces, so never write through the old one). An absent origin means the positions are absolute render-frame values, which is origin[0,0,0].