[英]Making Checkers in python with the module pygame but are running into some logic errors I don't want the code changed just this problem fixed
[英]Making the game Checkers in python with pygame but are running into minor logical errors
问题是当这个有效的移动 function 运行并通过 2 个元组时,它只会在两个元组都应该作为有效移动附加时才附加第二个元组。
例如,棋盘上的第一步,应该允许 (1, 1) 和 (-1, 1) 但只允许 (-1, 1) 对于其他玩家总是反之亦然,坐标只是不同( (- 1, -1) 和 (1, -1) )。
在跳棋中,如果您的对角线上有对手棋子,您可以对角跳过它并拿走它。 这工作正常,但同样只适用于第二个元组。 我在调试器中逐步完成了它,它只是通过了第一个元组。 我不知道为什么会这样,而且我已经被困了好几天了。 该板是一个大列表,还有 8 个行列表。 只是为了澄清问题在于这种方法,因为棋子可以移动 (1,1) 但永远不能移动 (-1, 1)
get mouse pos 简单地遍历列表并检查是否允许移动。 get 转弯 function 只是相应地改变转弯。
最后一点来自主文件,它是我唯一链接到问题的东西,但在调试器中,valid_moves 函数似乎有问题。
self.directions_1 = [(-1, -1), (1, - 1)]
def valid_moves(self, start_x, start_y):
"""
Find all of the valid moves for a selected piece and append them to a list
"""
start_column = int(start_x // SQUARESIZE)
start_row = int(start_y // SQUARESIZE)
if self.turn == player2:
for d in self.directions_1:
x, y = d
self.white_valid_moves.clear()
if self.board[start_row + x][start_column + y] == 0:
self.white_valid_moves.append((x, y))
if self.board[start_row + x][start_column + y] == player1:
if x == -1 and y == -1:
self.white_valid_moves.append((x - 1, x - 1))
self.board[start_row + x][start_column + y] = 0
if x == 1 and y == -1:
self.white_valid_moves.append((x + 1, y - 1))
self.board[start_row + x][start_column + y] = 0
def get_mouse_pos_and_place(self, start_x, start_y, end_x, end_y):
"""
Takes care of placing a piece and iterating through the valid moves lists
"""
start_column = int(start_x // SQUARESIZE)
start_row = int(start_y // SQUARESIZE)
end_column = int(end_x // SQUARESIZE)
end_row = int(end_y // SQUARESIZE)
if (self.board[start_row][start_column]) in (player1, player2):
if self.turn == player1:
for x, y in self.red_valid_moves:
print(self.red_valid_moves)
if (x == start_column - end_column) and (y == start_row - end_row):
self.board[start_row][start_column] = 0
self.board[end_row][end_column] = player1
elif self.turn == player2:
for x, y in self.white_valid_moves:
print(self.white_valid_moves)
if (x == start_column - end_column) and (y == start_row - end_row):
self.board[start_row][start_column] = 0
self.board[end_row][end_column] = player2
self.get_turn()
if event.type == pygame.MOUSEBUTTONDOWN:
start_x = event.pos[0]
start_y = event.pos[1]
if event.type == pygame.MOUSEBUTTONUP:
end_x = event.pos[0]
end_y = event.pos[1]
board.valid_moves(start_x, start_y)
board.get_mouse_pos_and_place(start_x, start_y, end_x, end_y)
board.print_board()
board.draw_board(screen)
board.draw_checkers(screen)
我建议简化您的代码。 玩家的移动可以通过将x
和y
乘以 2 来计算。
在评估可能的移动时,不要移除对手的棋子。 现在还为时过早,它会沿着可能的动作移除所有对手:
def valid_moves(self, start_x, start_y):
"""
Find all of the valid moves for a selected piece and append them to a list
"""
start_column = int(start_x // SQUARESIZE)
start_row = int(start_y // SQUARESIZE)
if self.turn == player2:
self.white_valid_moves.clear()
for d in self.directions_1:
x, y = d
if self.board[start_row + x][start_column + y] == 0:
self.white_valid_moves.append((x, y))
elif self.board[start_row + x][start_column + y] == player1:
self.white_valid_moves.append((x*2, y*2))
当玩家移动时,您必须移除对手:
def get_mouse_pos_and_place(self, start_x, start_y, end_x, end_y):
"""
Takes care of placing a piece and iterating through the valid moves lists
"""
start_column = int(start_x // SQUARESIZE)
start_row = int(start_y // SQUARESIZE)
end_column = int(end_x // SQUARESIZE)
end_row = int(end_y // SQUARESIZE)
if (self.board[start_row][start_column]) in (player1, player2):
if self.turn == player1:
valid_moves = self.red_valid_moves
else
valid_moves = self.white_valid_moves
dx = end_column - start_column
dy = end_row - start_row
if (dx, dy) in valid_moves:
self.board[start_row][start_column] = 0
self.board[start_row + dx//2][start_column + dy//2] = 0
self.board[end_row][end_column] = self.turn
self.get_turn()
# [...]
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