LayerManager

using System;
using UnityEngine;
using UnityEngine.InputSystem;

public class LayerManager : MonoBehaviour
{
    public static LayerMask WhatIsGround;
    private SpriteRenderer m_SpriteRenderer;
    private GameObject m_Obj;
    [SerializeField] private float m_Timer;

    private Sprite[] sprites;

    [SerializeField] private float time;
    private void Start()
    {
        m_Obj = gameObject;
        m_SpriteRenderer = GetComponent<SpriteRenderer>();

    }

    public enum LayerState
    {
        Default,
        Red,
        Blue,
        Yellow,
        Green,
    }

    public LayerState layers;


    // Update is called once per frame
    private void Update()
    {
        if (m_Timer > 0)
        {
            m_Timer -= 1 * Time.deltaTime;
        }
        else
        {
            //layers = LayerState.Default;
        }

        switch (layers)
        {
            case LayerState.Default:
                SetState(0, "Ground", null, Color.white);
                break;
            case LayerState.Red:
                SetState(6, "Ground", "Red", Color.red);
                break;
            case LayerState.Blue:
                SetState(7, "Ground", "Blue", Color.blue);
                break;
            case LayerState.Yellow:
                SetState(8, "Ground", "Yellow", Color.yellow);
                break;
            default:
                throw new ArgumentOutOfRangeException();
        }
    }

    private void OnTriggerEnter2D(Collider2D other)
    {
        // Colliding with Crystals to change players Layer
        switch (other.tag)
        {
            // If we collide with objects with the RedCrystal tag
            case "RedCrystal":
                // Change our LayerState to red
                layers = LayerState.Red;
                ResetTime();
                break;
            case "BlueCrystal":
                layers = LayerState.Blue;
                ResetTime();
                break;
            case "YellowCrystal":
                layers = LayerState.Yellow;
                ResetTime();
                break;
            case "Enemy":
                layers = LayerState.Default;
                break;
            default:
                throw new ArgumentOutOfRangeException();
        }
    }

    private void SetState(int layer, string layer1, string layer2, Color color)
    {
        print((int)layers);

        // Set the objects Player to the correct Phsycis Layer
            m_Obj.layer = layer;
        // Change whatisGround so that you only can jump on what you can interact with
            WhatIsGround = LayerMask.GetMask(layer1, layer2);
        // Change the colour of the sprite to reflect the colour of the layer
            m_SpriteRenderer.color = color;
        // Change the sprite to a different sprite to reflect the layer
            //m_SpriteRenderer.sprite = sprites[(int) layers];

    }

    private void ResetTime()
    {
        m_Timer += time;

    }
}