Unity C# Procedural Floor using Perlin Noise

ProceduralFloor

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class ProceduralFloor : MonoBehaviour
{

    //prefab to instantiate
    public GameObject floorTile;

    //dimensions of the floor, set frrom the inspects
    public int floorWidth;
    public int floorHeight;

    //range of movements on x and y
    public float heightScale = 1.0F;
    public float xScale = 10.0F;


    //array to store all tiless
    //we can also retreive these from the scene using getComponentofChildren()
    //Decrlaring your own array makes it more explicit
    public GameObject[] tiles;


    void Start()
    {

        tiles = new GameObject[floorWidth * floorHeight];

        GameObject parentTile = new GameObject();

        for (int k = 0; k < floorWidth; k++)
        {
            for (int z = 0; z < floorHeight; z++)
            {

                GameObject newTile = Instantiate<GameObject>(floorTile);
                float height = heightScale * Mathf.PerlinNoise(k * xScale * (Time.deltaTime), heightScale * z * (Time.deltaTime));
                newTile.transform.position = new Vector3(k, height, z);
                newTile.name = "tile_" + (k * floorWidth) + z;

             
                tiles[(k * floorWidth) + z] = newTile;
                newTile.transform.parent = parentTile.transform;

            }
        }
    }


    void Update()
    {
        for (int k = 0; k < floorWidth; k++)
        {
            for (int z = 0; z < floorHeight; z++)
            {

                GameObject existingTile = tiles[(k * floorWidth) + z];
                float height = heightScale * Mathf.PerlinNoise(k * xScale * (Time.time ) * 0.001f, heightScale * z * (Time.time) * 0.001f);
                existingTile.transform.position = new Vector3(k, height, z);


            }
        }

    }

}