private void PlaceCavePiece()
    {
        int       RandNum     = UnityEngine.Random.Range(0, cavePieces.Count);
        CavePiece currenPiece = Instantiate(cavePieces[RandNum], transform.position, Quaternion.identity).GetComponent <CavePiece>();

        currenPiece.transform.position = new Vector3(xCor * 8, 0, yCor * 8);
        cave[xCor, yCor] = currenPiece;
    }
    private void PlaceEnd()
    {
        bool isPlaced = false;

        do
        {
            if (xCor >= 0 && yCor >= 0 && xCor < cave.GetLength(0) && yCor < cave.GetLength(1))
            {
                if (cave[xCor, yCor] == null)
                {
                    CavePiece currenPiece = Instantiate(endRoom, transform.position, Quaternion.identity).GetComponent <CavePiece>();
                    currenPiece.transform.position = new Vector3(xCor * 8, 0, yCor * 8);
                    cave[xCor, yCor] = currenPiece;
                    isPlaced         = true;
                }
            }
            if (isPlaced == false)
            {
                MoveCords();
            }
        } while (isPlaced == false);
    }