private void initialize()
{
board = GetComponent <Board>();
Vector3 minCamPos, maxCamPos;
CameraUtils.GetCameraLimitPointsAtZ(boardPositionInZ, out minCamPos, out maxCamPos);
float screenWidthAtZ = maxCamPos.x - minCamPos.x;
float screenHeightAtZ = maxCamPos.y - minCamPos.y;
float boardMinPosInX = minCamPos.x + screenWidthAtZ * boardStartInScreenWidthProportion;
float boardMaxPosInX = minCamPos.x + screenWidthAtZ * boardEndInScreenWidthProportion;
float boardMinPosInY = minCamPos.y + screenHeightAtZ * boardStartInScreenHeightProportion;
float boardMaxPosInY = minCamPos.y + screenHeightAtZ * boardEndInScreenHeightProportion;
boardStartPosition = new Vector3(boardMinPosInX, boardMaxPosInY, boardPositionInZ);
boardWidth = boardMaxPosInX - boardMinPosInX;
boardHeight = boardMaxPosInY - boardMinPosInY;
verticalLineScale = new Vector3(1, boardHeight, 1);
horizontalLineScale = new Vector3(boardWidth, 1, 1);
spaceBetweenColumns = boardWidth / (nbColumns + 1);
spaceBetweenRows = boardHeight / (nbRows + 1);
boardCellScale = new Vector3(spaceBetweenColumns, spaceBetweenRows, boardCellPrefab.transform.localScale.z);
}