How to go up or down to assign a child?

Question

I want to find a child apart of a transform and then go one above or below it. I hope that explains it, its kind of difficult to explain but here's the code:

             if (Input.GetKeyDown(KeyCode.W))
             {
                 foreach (Transform child in hook)
                 {
                     if (child.name == currentSegment.gameObject.name)
                     {
                         //what I want is getting the child I found and then going to the one above it
                         currentSegment = child++;
                     }
                 }
             }
             else if (Input.GetKeyDown(KeyCode.S))
             {
                 foreach (Transform child in hook)
                 {
                     if (child.name == currentSegment.gameObject.name)
                     {
                         currentSegment = child--;
                     }
                 }
             }

Answer 1

Best Answer

Answer by Narc0t1CYM · Mar 19 at 06:16 PM

To go above, you can use transform.parent for any transform. To check for the children one level below, I'd do something like this.

Assuming all children have a Transform component attached to them - which they should by default - you could do a foreach cycle and then check if the current transform.parent is the parent you are looking for, like so:

 Transform parent = transform;
  
 foreach (Transform child in transform.GetComponentInChildren<Transform>()) 
 {
     if (child.parent == parent) {
         // It is the parent's child
     }
 }

If you want to go more deeper then you have to do it recursively, but you should be careful with that.

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How to go up or down to assign a child?

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