[ruby request] "always face camera" generator

[rv1974]

Hi ruby masters!
I have PLENTY 2d components laying in xy plane. Could anybody create a routine that'd make them (by mouse click):
1/ arise (to zx plane)
2/comp. origin to middle bottom point
3/ become "always face camera".
4/ ask about "shadows follow the sun" option.
I guess it'd be pretty usefull thing for many other users.
Many thanks in advance!