def can_move_vertically_or_horizontally(self, source, destination):
horizontal = x.index(source[0]) == x.index(
destination[0]) and y.index(source[1]) != y.index(destination[1])
vertical = x.index(source[0]) != x.index(destination[0]) and y.index(
source[1]) == y.index(destination[1])
return horizontal or vertical
def can_move(self, source, destination):
x_distance = abs(x.index(source[0]) - x.index(destination[0]))
y_distance = abs(y.index(source[1]) - y.index(destination[1]))
return x_distance in [0, 1] and y_distance in [
0, 1
] and x_distance + y_distance != 0
def can_move(self, _from, to):
self.moved = True
x_distance = abs(x.index(_from[0]) - x.index(to[0]))
y_distance = abs(y.index(_from[1]) - y.index(to[1]))
return bool(x_distance in [0, 1] and y_distance in [0, 1]
and x_distance + y_distance != 0)
def can_move(self, _from, to):
self.moved = True
x_distance = abs(x.index(_from[0]) - x.index(to[0]))
y_distance = abs(y.index(_from[1]) - y.index(to[1]))
return x_distance in [1, 2] and y_distance in [
1, 2
] and x_distance != y_distance
def can_move(self, _from, to):
self.moved = True
if (self.color == 'white' and x.index(_from[0]) == x.index(to[0])
and y.index(to[1]) - y.index(_from[1]) == 1):
return True
return (self.color == 'black' and x.index(_from[0]) == x.index(to[0])
and y.index(to[1]) - y.index(_from[1]) == -1)
def can_move(self, _from, to):
self.moved = True
horizontal = x.index(_from[0]) == x.index(
to[0]) and y.index(_from[1]) != y.index(to[1])
vertical = x.index(_from[0]) != x.index(to[0]) and y.index(
_from[1]) == y.index(to[1])
return bool(horizontal or vertical)
def can_move(self, source, destination):
if self.color == 'white' and x.index(source[0]) == x.index(destination[0]):
ordinary_move = y.index(destination[1]) - y.index(source[1]) == 1
two_square_move = not self.moved and y.index(destination[1]) - y.index(source[1]) == 2
return ordinary_move or two_square_move
if self.color == 'black' and x.index(source[0]) == x.index(destination[0]):
ordinary_move = y.index(destination[1]) - y.index(source[1]) == -1
two_square_move = not self.moved and y.index(destination[1]) - y.index(source[1]) == -2
return ordinary_move or two_square_move
return False
def can_move(self, source, destination):
if self.color == 'white' and x.index(source[0]) == x.index(
destination[0]):
ordinary_move = y.index(destination[1]) - y.index(source[1]) == 1
two_square_move = not self.moved and y.index(
destination[1]) - y.index(source[1]) == 2
return ordinary_move or two_square_move
if self.color == 'black' and x.index(source[0]) == x.index(
destination[0]):
ordinary_move = y.index(destination[1]) - y.index(source[1]) == -1
two_square_move = not self.moved and y.index(
destination[1]) - y.index(source[1]) == -2
return ordinary_move or two_square_move
return False
def can_move(self, _from, to):
self.moved = True
# move as a Rook {{
horizontal = x.index(_from[0]) == x.index(
to[0]) and y.index(_from[1]) != y.index(to[1])
vertical = x.index(_from[0]) != x.index(to[0]) and y.index(
_from[1]) == y.index(to[1])
if horizontal or vertical:
return True
# }}
# move as a Bishop {{
return abs(x.index(_from[0]) -
x.index(to[0])) == abs(y.index(to[1]) - y.index(_from[1]))
def can_move_diagonally(self, source, destination):
return abs(x.index(source[0]) - x.index(destination[0])) == abs(
y.index(destination[1]) - y.index(source[1]))
def __is_valid_pawn_move(self, _from, to):
if not self.squares[_from].moved:
return (x.index(_from[0]) == x.index(to[0]) and
abs(y.index(to[1]) - y.index(_from[1])) == 2)
return False
def can_move(self, _from, to):
self.moved = True
return abs(x.index(_from[0]) -
x.index(to[0])) == abs(y.index(to[1]) - y.index(_from[1]))
def __is_valid_pawn_move(self, _from, to):
if not self.squares[_from].moved:
return (x.index(_from[0]) == x.index(to[0])
and abs(y.index(to[1]) - y.index(_from[1])) == 2)
return False
def can_move(self, source, destination):
x_distance = abs(x.index(source[0]) - x.index(destination[0]))
y_distance = abs(y.index(source[1]) - y.index(destination[1]))
return x_distance in [1, 2] and y_distance in [1, 2] and x_distance != y_distance
def can_move_vertically_or_horizontally(self, source, destination):
horizontal = x.index(source[0]) == x.index(destination[0]) and y.index(source[1]) != y.index(destination[1])
vertical = x.index(source[0]) != x.index(destination[0]) and y.index(source[1]) == y.index(destination[1])
return horizontal or vertical
def can_move_diagonally(self, source, destination):
return abs(x.index(source[0]) - x.index(destination[0])) == abs(y.index(destination[1]) - y.index(source[1]))