private void assignBlood(int x, int y){
		if (x>9)
			x = x-10;
		else if (x<0)
			x = 10+x;
		if (y>9)
			y = y-10;
		else if (y<0)
			y = 10+y;
		if (grid[x][y]==RoomState.EMPTY)
			grid[x][y] = RoomState.BLOOD;
		else if (grid[x][y]==RoomState.SLIME)
			grid[x][y] = RoomState.GOOP;
	}