def move_up(ship, height, width, rocks, brd, c):
remove_ship(brd, ship)
if ship[1] == 1: #if we move the whip up there wouldn't be any room to go up anymore
insert_ship(brd, ship)
return ship
elif safe_surround(brd, ship[1], ship[0]):
ship[1] += -1
insert_ship(brd, ship)
return ship
else:
return False
def move_down(ship, height, width, rocks, brd, c):
remove_ship(brd, ship)
if ship[1] == height - 2: #can't move down
insert_ship(brd, ship)
return ship
elif safe_surround(brd, ship[1], ship[0]):
ship[1] += 1
insert_ship(brd, ship)
return ship
else:
return False
def move_left(ship, height, width, rocks, brd, c):
remove_ship(brd, ship)
if ship[0] == 1: #if after we move it there would be extra room to the left to have one more block between teh ship and the border
insert_ship(brd, ship)
return ship
elif safe_surround(brd, ship[1], ship[0]):
ship[0] += -1
insert_ship(brd, ship)
return ship
else:
return False
def move_right(ship, height, width, rocks, brd,
c): #moves the space-ship one block over to the right
remove_ship(brd, ship)
if ship[0] == width - 2: #if there isn't enough room to have an extra block between the ship and the border after moving right
insert_ship(brd, ship)
return ship
elif safe_surround(brd, ship[1], ship[0]):
ship[0] += 1
insert_ship(brd, ship)
return ship
else:
return False