tileRenderer

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

public class TileType : MonoBehaviour
{
    public LayerMask Tile;
    private bool tileIsUp;
    private bool tileIsDown;
    private bool tileIsLeft;
    private bool tileIsRight;
    private bool rendered;

    public Sprite[] sprites;

    private void Update()
    {
        //Ensure this only runs once the level has been built
        if (LevelGeneration.Instance.stopGeneration && rendered == false)
        {
            RaycastHit2D tileUp = Physics2D.Raycast(transform.position, Vector2.down, 1f, Tile);          //Cast Up
            RaycastHit2D tileDown = Physics2D.Raycast(transform.position, Vector2.down, 1f, Tile);          //Cast Down
            RaycastHit2D tileLeft = Physics2D.Raycast(transform.position, Vector2.down, 1f, Tile);          //Cast Left
            RaycastHit2D tileRight = Physics2D.Raycast(transform.position, Vector2.down, 1f, Tile);          //Cast Right

            //Identify which tiles it has found
            if (tileUp)
            {
                tileIsUp = true;
            }

            if (tileDown)
            {
                tileIsDown = true;
            }

            if (tileLeft)
            {
                tileIsLeft = true;
            }

            if (tileRight)
            {
                tileIsRight = true;
            }

            //Set the sprite according to which tiles are true

            //If tile is down, left and right, TOP
            if (tileIsDown && tileIsLeft && tileIsRight)
            {
                gameObject.GetComponent<SpriteRenderer>().sprite = sprites[0];
            }
            //If tile is up, left and right, BOTTOM
            else if (tileIsUp && tileIsLeft && tileIsRight)
            {
                gameObject.GetComponent<SpriteRenderer>().sprite = sprites[1];
            }
            //If tile is up and down, VERTICAL
            else if (tileIsUp && tileIsDown)
            {
                gameObject.GetComponent<SpriteRenderer>().sprite = sprites[2];
            }
            //If tile is left and right, HORIZONTAL
            else if (tileIsLeft && tileIsRight)
            {
                gameObject.GetComponent<SpriteRenderer>().sprite = sprites[3];
            }
            //If tile is left and up, BOTTOMRIGHT CORNER
            else if (tileIsLeft && tileIsUp)
            {
                gameObject.GetComponent<SpriteRenderer>().sprite = sprites[4];
            }
            //If tile is right and up, BOTTOMLEFT CORNER
            else if (tileIsRight && tileIsUp)
            {
                gameObject.GetComponent<SpriteRenderer>().sprite = sprites[5];
            }
            //If tile is left and down, TOPRIGHT CORNER
            else if (tileIsLeft && tileIsDown)
            {
                gameObject.GetComponent<SpriteRenderer>().sprite = sprites[6];
            }
            //If tile is right and down, TOPLEFT CORNER
            else if (tileIsRight && tileIsDown)
            {
                gameObject.GetComponent<SpriteRenderer>().sprite = sprites[7];
            }
            //If tile is up, down, left and right, MIDDLE
            else if (tileIsUp && tileIsDown && tileIsLeft && tileIsRight)
            {
                gameObject.GetComponent<SpriteRenderer>().sprite = sprites[8];
            }
            //If tile is alone, SINGLE
            else
            {
                gameObject.GetComponent<SpriteRenderer>().sprite = sprites[9];
            }

            //Tell the sprite to stop choosing itself
            rendered = true;

            Debug.Log("Rendered");
        }
    }
}