求助

@秋梵 · 发表于 2020-7-16 18:23:53

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import turtle
import os

wn =turtle.Screen()
wn.title("Pong by 123")
wn.bgcolor("black")
wn.setup(width=800,height=600)
wn.tracer(0)

# Score
score_a = 0
score_b = 0

#Paddle A
paddle_a = turtle.Turtle()
paddle_a.speed(0)
paddle_a.shape("square")
paddle_a.color("white")
paddle_a.shapesize(stretch_wid=5,stretch_len=1)
paddle_a.penup()
paddle_a.goto(-350,0)
#Paddle B
paddle_b= turtle.Turtle()
paddle_b.speed(0)
paddle_b.shape("square")
paddle_b.color("white")
paddle_b.shapesize(stretch_wid=5,stretch_len=1)
paddle_b.penup()
paddle_b.goto(350,0)
#Ball
ball = turtle.Turtle()
ball.speed(0)
ball.shape("square")
ball.color("white")
ball.penup()
ball.goto(0,0)
ball.dx = 0.1
ball.dy = -0.1

# Pen
pen = turtle.Turtle()
pen.speed(0)
pen.color("white")
pen.penup()
pen.hideturtle()
pen.goto(0,260)
pen.write("Player A:0  Player B:0", align="center",font=("Courier",24,"normal"))

#Function
def paddle_a_up():
y = paddle_a.ycor()
y += 20
paddle_a.sety(y)

def paddle_a_down():
y = paddle_a.ycor()
y -= 20
paddle_a.sety(y)

def paddle_b_up():
y = paddle_b.ycor()
y += 20
paddle_b.sety(y)

def paddle_b_down():
y = paddle_b.ycor()
y -= 20
paddle_b.sety(y)

# keyboard binding
wn.listen()
wn.onkeypress(paddle_a_up,"w")
wn.onkeypress(paddle_a_down,"s")
wn.onkeypress(paddle_b_up,"Up")
wn.onkeypress(paddle_b_down,"Down")

# Main game loop
while True:
wn.update()

#Move the ball
ball.setx(ball.xcor()+ball.dx)
ball.sety(ball.ycor()+ball.dy)

# Border checking
if ball.ycor()> 290:
      ball.sety(290)
      ball.dy *= -1
      os.system("afplay bounce.wav&")

if ball.ycor()< -290:
      ball.sety(-290)
      ball.dy *= -1
      os.system("afplay bounce.wav&")
if ball.xcor() > 390:
      ball.goto(0,0)
      ball.dx *= -1
      score_a +=  1
      pen.clear()
      pen.write("Player A:{}  Player B:{}".format (score_a,score_b), align="center",font=("Courier",24,"normal"))



if ball.xcor() < -390:
      ball.goto(0,0)
      ball.dx *= -1
      score_b +=  1
      pen.clear()
      pen.write("Player A:{}  Player B:{}".format (score_a,score_b), align="center",font=("Courier",24,"normal"))

# Paddle and ball collisions
if (ball.xcor() > 340 and ball.xcor() < 350) and (ball.ycor() <paddle_b.ycor()+ 40 and ball.ycor()> paddle_b.ycor() -50):
      ball.setx(340)
      ball.dx *= -1
      os.system("afplay bounce,wav&")

if (ball.xcor() < -340 and ball.xcor() > -350) and (ball.ycor() <paddle_a.ycor()+ 40 and ball.ycor()> paddle_a.ycor() -50):
      ball.setx(-340)
      ball.dx *= -1
      os.system("afplay bounce,wav&")

Traceback (most recent call last):
  File "C:/Users/86187/Desktop/01.py", line 90, in <module>
ball.setx(ball.xcor()+ball.dx)
  File "C:\Users\86187\AppData\Local\Programs\Python\Python37-32\lib\turtle.py", line 1808, in setx
self._goto(Vec2D(x, self._position[1]))
  File "C:\Users\86187\AppData\Local\Programs\Python\Python37-32\lib\turtle.py", line 3158, in _goto
screen._pointlist(self.currentLineItem),
  File "C:\Users\86187\AppData\Local\Programs\Python\Python37-32\lib\turtle.py", line 755, in _pointlist
cl = self.cv.coords(item)
  File "<string>", line 1, in coords
  File "C:\Users\86187\AppData\Local\Programs\Python\Python37-32\lib\tkinter\__init__.py", line 2466, in coords
self.tk.call((self._w, 'coords') + args))]
_tkinter.TclError: invalid command name ".!canvas"

大佬们，这个是哪里错了，应该怎么改

xiaosi4081 · 发表于 2020-7-20 15:15:40

import turtle
import os

wn =turtle.Screen()
wn.title("Pong by 123")
wn.bgcolor("black")
wn.setup(width=800,height=600)
wn.tracer(0)

# Score
score_a = 0
score_b = 0






#Paddle A
paddle_a = turtle.Turtle()
paddle_a.speed(0)
paddle_a.shape("square")
paddle_a.color("white")
paddle_a.shapesize(stretch_wid=5,stretch_len=1)
paddle_a.penup()
paddle_a.goto(-350,0)
#Paddle B
paddle_b= turtle.Turtle()
paddle_b.speed(0)
paddle_b.shape("square")
paddle_b.color("white")
paddle_b.shapesize(stretch_wid=5,stretch_len=1)
paddle_b.penup()
paddle_b.goto(350,0)
#Ball
ball = turtle.Turtle()
ball.speed(0)
ball.shape("square")
ball.color("white")
ball.penup()
ball.goto(0,0)
ball.dx = 0.1
ball.dy = -0.1

# Pen
pen = turtle.Turtle()
pen.speed(0)
pen.color("white")
pen.penup()
pen.hideturtle()
pen.goto(0,260)
pen.write("Player A:0  Player B:0", align="center",font=("Courier",24,"normal"))



#Function
def paddle_a_up():
    y = paddle_a.ycor()
    y += 20
    paddle_a.sety(y)

def paddle_a_down():
    y = paddle_a.ycor()
    y -= 20
    paddle_a.sety(y)
   
def paddle_b_up():
    y = paddle_b.ycor()
    y += 20
    paddle_b.sety(y)

def paddle_b_down():
    y = paddle_b.ycor()
    y -= 20
    paddle_b.sety(y)


# keyboard binding
wn.listen()
wn.onkeypress(paddle_a_up,"w")
wn.onkeypress(paddle_a_down,"s")
wn.onkeypress(paddle_b_up,"Up")
wn.onkeypress(paddle_b_down,"Down")

# Main game loop
while True:
    wn.update()
    try:
#Move the ball
        ball.setx(ball.xcor()+ball.dx)
        ball.sety(ball.ycor()+ball.dy)

        # Border checking
        if ball.ycor()> 290:
            ball.sety(290)
            ball.dy *= -1
            os.system("afplay bounce.wav&")

        if ball.ycor()< -290:
            ball.sety(-290)
            ball.dy *= -1
            os.system("afplay bounce.wav&")
        if ball.xcor() > 390:
            ball.goto(0,0)
            ball.dx *= -1
            score_a +=  1
            pen.clear()
            pen.write("Player A:{}  Player B:{}".format (score_a,score_b), align="center",font=("Courier",24,"normal"))

            

        if ball.xcor() < -390:
            ball.goto(0,0)
            ball.dx *= -1
            score_b +=  1
            pen.clear()
            pen.write("Player A:{}  Player B:{}".format (score_a,score_b), align="center",font=("Courier",24,"normal"))

        # Paddle and ball collisions
        if (ball.xcor() > 340 and ball.xcor() < 350) and (ball.ycor() <paddle_b.ycor()+ 40 and ball.ycor()> paddle_b.ycor() -50):
            ball.setx(340)
            ball.dx *= -1
            os.system("afplay bounce,wav&")


       

        if (ball.xcor() < -340 and ball.xcor() > -350) and (ball.ycor() <paddle_a.ycor()+ 40 and ball.ycor()> paddle_a.ycor() -50):
            ball.setx(-340)
            ball.dx *= -1
            os.system("afplay bounce,wav&")
    except:
        break

把窗口关了后，找不到窗口，所以会报错

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