標籤顏色改變其他標籤

Question

我改變了小部件的顏色保持pong遊戲的分數，但是一旦我點擊開始玩遊戲，球的顏色和槳的顏色也會改變。球和槳從白色開始，我想讓它們保持白色。

#:kivy 1.8.0 


<PongBall>: 
    size: 30,30 
    canvas: 
     Ellipse: 
      pos: self.pos 
      size: self.size 

<PongPaddle>: 
    size: 100, 15 
    canvas: 
     Rectangle: 
      pos: self.pos 
      size: self.size 


<PongGame>: 
    ball: pong_ball 
    player1: player_bottom 
    test_text: test_text 

    canvas: 
     Color: 
      rgb: (1, 1, 1) 
     Rectangle: 
      pos: 0, self.height-30 
      size: self.width, 30 

    Label: 
     font_size: 30 
     center_x: 30 
     top: root.top 
     text: str(root.player1.score) 
     color: 1,0,0,1 

    Label: 
     id: test_text 
     font_size: 60 
     center_x: root.width/2 
     top: root.top-(root.top - (root.top/2))/2 
     text: 'Tap to Play!' 

    PongBall: 
     id: pong_ball 
     center: self.parent.center 

    PongPaddle: 
     id: player_bottom 
     x: root.center_x 
     center_y: root.y+self.height 

Answer 1

Label: 
    font_size: 30 
    center_x: 30 
    top: root.top 
    text: str(root.player1.score) 
    color: 1,0,0,1 

移動這兩個標籤代碼到你的KV文件的底部，它應該只是改變比分串色。

<PongBall>: 
    size: 50, 50 
    canvas: 
     Ellipse: 
      pos: self.pos 
      size: self.size   

<PongPaddle>: 
    size: 25, 200 
    canvas: 
     Rectangle: 
      pos:self.pos 
      size:self.size 
<PongGame>: 
    ball: pong_ball 
    player1: player_left 
    player2: player_right 
    canvas: 
     Color: 
      rgb: (1, 1, 1) 
     Rectangle: 
      pos: self.center_x-5, 0 
      size: 20, self.height 


    PongBall: 
     id: pong_ball 
     canvas.before: 
      Color: 
       rgb: (1, 0, 0) #red ball 
     center: self.parent.center 

    PongPaddle: 
     id: player_left 
     x: root.x 
     canvas.before: 
      Color: 
       rgb: 1, 1, 0 # yellow paddle 
     center_y: root.center_y 

    PongPaddle: 
     id: player_right 
     x: root.width-self.width 
     canvas.before: 
      Color: 
       rgb: 0, 1, 0 #green paddle 
     center_y: root.center_y 

    Label: 
     font_size: 70 
     center_x: root.width/4 
     top: root.top - 50 
     text: str(root.player1.score) 
     color: 0,0,1,1 

    Label: 
     font_size: 70 
     center_x: root.width * 3/4 
     top: root.top - 50 
     text: str(root.player2.score) 
     color: 0,0,1,1