Grey coloring at in child objects?

Question

[Brossinger]

Hello. Could you help me find script for next task. Some times ago, 4 yers I find script which change color all in child objects by grey. But I lost it, and can not find script again.

Structure:
- Main Grey layer with images script, grey scale script,
- res A
- res Aa
- res Ab
- res B
- res C

No reason how many deep structure was all was gray.
script had slider which can controlled and create smooth changing.
They work at Unity Canvas


Thank you for help

Comments

[DevMan]

edward_freedom, приглашаю как знатока.