Gets all bounding boxes and returns a new one which encapsulate them all (Unity)

RecursiveBoundingBox.cs

using UnityEngine;
using System.Collections;

public class RecursiveBoundingBox
{
    //Gets all bounding boxes and returns a new one which encapsulate them all
    //This is e.g. useful if you want to calculate the actual size of a gameobject
    
    //Using "MeshRenderer" means it uses the data from "MeshFilter" applied to "Transform"
    public static Bounds RecursiveMeshRendererBoundingBox (GameObject go)
    {
        MeshRenderer[] meshRenderers = go.GetComponentsInChildren<MeshRenderer>();
        if (meshRenderers.Length > 0)
        {
            Bounds b = meshRenderers[0].bounds;
            for (int i = 1; i < meshRenderers.Length; i++)
            {
                b.Encapsulate(meshRenderers[i].bounds);
            }
            return b;
        }
        else
        {
            return new Bounds();
        }
    }
    
    //Using "MeshFilter" means it uses the raw mesh data without applied position of "Transform"
    public static Bounds RecursiveMeshFilterBoundingBox (GameObject go)
    {
        MeshFilter[] meshFilters = go.GetComponentsInChildren<MeshFilter>();
        if (meshFilters.Length > 0)
        {
            Bounds b = meshFilters[0].mesh.bounds;
            for (int i = 1; i < meshFilters.Length; i++)
            {
                b.Encapsulate(meshFilters[i].mesh.bounds);
            }
            return b;
        }
        else
        {
            return new Bounds();
        }
    }
}