def adata():
    adata = ad.AnnData(np.zeros((100, 100)))
    adata.obsm["o"] = np.zeros((100, 50))
    adata.varm["o"] = np.zeros((100, 50))
    return adata
def path(self,x1,y1,x2,y2):
		self.board[y1:y2+1,x1:x2+1] = self.color