Good catch! Would you like to make a PR with the fix?
I am deep in a project I can not open PR now.
Okay, I'll do it 馃憤 .
Thanks 馃槃 馃憤
Done 7db62b06f8b879a6101bc3dbb408c84a807c276d
and coord should be vUV I suppose.
It should be screenPosition.
Solved eccad97efff01c18c3602fd24939e32eb3fdf61a.