Check size of a lot of cubes on Nreal light - MR Tutorial for Nreal light

using System.Collections;using System.Collections.Generic;using UnityEngine;using UnityEngine.EventSystems;public class CubeSize : MonoBehaviour{    /// <summary>    /// Cube PreFab    /// </summary>    GameObject spherePrefab;    /// <summary>    /// Initial Position for cube layout    /// </summary>    static readonly Vector3 INITIAL_POSITION = new Vector3(0.0f, -0.35f, 3f);    /// <summary>    /// Number of Cubes list per axis    /// </summary>    static readonly float DEPTH = 20f;    /// <summary>    /// Space for each Cubes    /// </summary>    static readonly float SPAN = 2f;    // Start is called before the first frame update    void Start()    {        spherePrefab = Resources.Load<GameObject>("MyCube");        LayoutCubes(DEPTH, SPAN);    }    /// <summary>    /// Layout Cubes    /// </summary>    /// <param name="depth"></param>    /// <param name="span"></param>    void LayoutCubes(float depth, float span)    {        for (float x = -depth; x <= depth; x = x += span)        {            for (float y = -depth; y <= depth; y += span)            {                for (float z = -depth; z <= depth; z += span)                {                    // Exclude own position                    if (!(x == 0 && y == 0 && z == -2f))                    {                        CreateCube(x, y, z);                    }                }            }        }    }    /// <summary>    /// Put a cube  in the current scene    /// </summary>    /// <param name="x"></param>    /// <param name="y"></param>    /// <param name="z"></param>    void CreateCube(float x, float y, float z)    {        GameObject sphere = Instantiate(spherePrefab);        sphere.transform.position = new Vector3(INITIAL_POSITION.x + x, INITIAL_POSITION.y + y, INITIAL_POSITION.z + z);    }}