Grey coloring at in child objects?

Question

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.

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

[1]: /storage/temp/187817-screenshot-11.png Structure:
- Main Grey layer with images script, grey scale script,
>- res A
>>- res Aa
>>- res Ab
>- res B
>- res C - List item

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

Answer 1

I did not understand very much what you need, so pardon me if answer you wrong. ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ You could create a new script and attach it to the "grey render zone" object. ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ The script would look like this: ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

 using UnityEngine;
 using UnityEngine.UI;
 
 public class ChangeGray : MonoBehaviour
 {
     [Range(0.0f, 1.0f)]
     [SerializeField] private float transparency;
     private Image panel;
 
     private void Awake()
     {
         panel = GetComponent<Image>();
     }
 
     private void Start()
     {
         panel.color = new color (panel.r, panel.g, panel.b, transparency);
     }
 }

Grey coloring at in child objects?

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