public void beginGame()
{
started = true;
field = gameObject.GetComponent <MineField>();
if (field.minefield != null)//to clear previous cells if any
{
field.DestroyAll();
}
field.beginGame();
heightHalfSize = Camera.main.orthographicSize;
widthHalfSize = heightHalfSize * Camera.main.aspect;
tileDimensions = getTileDimension();
adjustCamera();
drawBoard();
}
