void Awake()
{
gridCanvas = GetComponentInChildren <Canvas>();
hexGridMesh = GetComponentInChildren <HexGridMesh>();
//grid에 들어갈 cell들과 배경이 되는 mesh 생성
CreateCells();
hexGridMesh.TriangulateAll(cells.Select(cell => cell.transform.position));
StartCoroutine(reddish());
}
