将 Pygame 的鼠标点击检测更改为串行输入

如何解决将 Pygame 的鼠标点击检测更改为串行输入

是否可以将 Pygame 的鼠标点击检测更改为外部输入？ 我正在尝试构建一个国际象棋代码，它从 Arduino 接收位置。因此，在下面的代码中，我试图将我的输入字符串 (b2) 转换为位置 (2,2) 并将其作为 pygame 的 x,y 信息返回到我的主文件中。

def objectdetection(screen,game_state,valid_moves,square_selected):
    ser = serial.Serial('/dev/ttyUSB0',9600,timeout=1)
    ser.flush()
    while True:
        if ser.in_waiting > 0:
            Position = [ser.readline().decode('utf-8').rstrip()]

    if Position == "b2":
        return (2,2)



main:
            elif e.type == objectdetection:
                if not game_over and human_turn:
                    location = objectdetection()  # (x,y) location of the mouse
                    col = location[0] // SQUARE_SIZE
                    row = location[1] // SQUARE_SIZE
                    if square_selected == (row,col) or col >= 8:  # user clicked the same square twice
                        square_selected = ()  # deselect
                        player_select = []  # clear clicks                                                   
                    else:
                        square_selected = (row,col)
                        player_select.append(square_selected)  # append for both 1st and 2nd click           
                    if len(player_select) == 2:  # after 2nd click                                           
                        move = ChessEngine.Move(player_select[0],player_select[1],game_state.board)        
                        for i in range(len(valid_moves)):
                            if move == valid_moves[i]:
                                game_state.makeMove(valid_moves[i])
                                move_made = True
                                animate = True
                                square_selected = ()  # reset user clicks
                                player_select = []                                                          
                        if not move_made:
                            player_select = [square_selected]                                               

遗憾的是它并不那么容易。总体上是否可以将鼠标检测从 pygame 更改为外部输入？ 感谢您的帮助。

解决方法

为对象选择编写函数并将代码放入函数中：

def select(row,col)
    global square_selected,player_select,move,move_made,animate

    if square_selected == (row,col) or col >= 8:  # user clicked the same square twice
        square_selected = ()  # deselect
        player_select = []  # clear clicks                                                   
    else:
        square_selected = (row,col)
        player_select.append(square_selected)  # append for both 1st and 2nd click           
    if len(player_select) == 2:  # after 2nd click                                           
        move = ChessEngine.Move(player_select[0],player_select[1],game_state.board)        
        for i in range(len(valid_moves)):
            if move == valid_moves[i]:
                game_state.makeMove(valid_moves[i])
                move_made = True
                animate = True
                square_selected = ()  # reset user clicks
                player_select = []                                                          
        if not move_made:
            player_select = [square_selected]                                               

可以在鼠标点击时调用该函数：

for e in p.event.get():
    if e.type == p.QUIT:
        # [...]

    elif e.type == p.MOUSEBUTTONDOWN:
        if not game_over and human_turn:
            col = e.pos[0] // SQUARE_SIZE
            row = e.pos[1] // SQUARE_SIZE
            select(row,col)

并且您可以在收到职位时调用该函数：

position = objectdetection(.....)
if position != None:
    row = position[0]
    col = position[1]
    select(row,col)