Question

我对编程很陌生，并用python创建了一个简单的Pong游戏。

游戏当前正在运行，当玩家获得设定分数时，弹出屏幕会宣布获胜者。但是，如果用户选择再次玩游戏，我将无法重新启动游戏。

目前，该游戏仅继续进行，而上一场比赛结束后剩下的得分仍在继续。我试图在游戏逻辑运行之前实现一个用于初始化游戏的功能，但这没有帮助。

# Pong Game

import turtle
import winsound
from tkinter import messagebox
from Projects.Pong import ball, paddle_b, paddle_a, pen, window

def init():
    #Window Details
    window = turtle.Screen()
    window.title("Pong!")
    window.bgcolor("black")
    window.setup(width=800, height=600)
    window.tracer(0)

    #Score
    player1_score = 0
    player2_score = 0

    #Paddles A
    paddle_a = turtle.Turtle()
    paddle_a.speed(0)
    # shape
    paddle_a.shape("square")
    paddle_a.color("white")
    paddle_a.shapesize(stretch_len=1, stretch_wid=5)
    # Dont draw line
    paddle_a.penup()
    # set start position
    paddle_a.goto(-350, 0)

    # Paddle B
    paddle_b = turtle.Turtle()
    paddle_b.speed(0)
    # shape
    paddle_b.shape("square")
    paddle_b.color("white")
    paddle_b.shapesize(stretch_len=1, stretch_wid=5)
    # Dont draw line
    paddle_b.penup()
    # set start position
    paddle_b.goto(350, 0)

    # Ball
    ball = turtle.Turtle()
    ball.speed(0)
    # shape
    ball.shape("square")
    ball.color("white")
    # Dont draw line
    ball.penup()
    # set start position
    ball.goto(0, 0)
    ball.dx = 0.31
    ball.dy = 0.31

    # pen
    pen = turtle.Turtle()
    pen.speed(0)
    pen.color("white")
    pen.penup()
    pen.hideturtle()
    pen.goto(0, 260)
    pen.write("Player A: {} Player B: {}".format(player1_score, player2_score), align="center", font=("Courier", 24, "normal"))

    #Function for movement of paddle a
    def paddle_a_up():
        #assgins the co-oridnate of paddle a to y
        y = paddle_a.ycor()
        y += 20
        #sets paddle a new positon
        paddle_a.sety(y)

    def paddle_a_down():
        #assgins the co-oridnate of paddle a to y
        y = paddle_a.ycor()
        y -= 20
        #sets paddle a new positon
        paddle_a.sety(y)

    #Function for movement of paddle b
    def paddle_b_up():
        #assgins the co-oridnate of paddle a to y
        y = paddle_b.ycor()
        y += 20
        #sets paddle a new positon
        paddle_b.sety(y)

    def paddle_b_down():
        #assgins the co-oridnate of paddle a to y
        y = paddle_b.ycor()
        y -= 20
        #sets paddle a new positon
        paddle_b.sety(y)

    # key bindings
    window.listen()
    window.onkeypress(paddle_a_up, "w")
    window.onkeypress(paddle_a_down, "s")
    window.onkeypress(paddle_b_up, "Up")
    window.onkeypress(paddle_b_down, "Down")

play_game = True

def check_for_win_player_1():
    if player1_score >= 2:
        play_game = False
        pop_up_msg()


def check_for_win_player_2():
    global play_game
    if player2_score >= 2:
        play_game = False
        pop_up_msg()


def pop_up_msg():
    global play_game
    if player1_score >= 2:
        play_again = messagebox.askquestion(title="Result", message="Player 1 Wins! Play Again?")
        if play_again == "no":
            exit(0)
        else:
            play_game = True
    elif player2_score >= 2:
        play_again = messagebox.askquestion(title="Result", message="Player 2 Wins! Play Again?")
        if play_again == "no":
            exit(0)
        else:
            play_game = True


#Main Game Loop
def main():
    while play_game == True:
        init()
        window.update()

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

        #ball checking
        #top
        if ball.ycor() > 290:
            ball.sety(290)
            ball.dy *= -1
            winsound.PlaySound("bounce.wav", winsound.SND_ASYNC)


        #bottom
        if ball.ycor() <- 290:
            ball.sety(-290)
            ball.dy *= -1
            winsound.PlaySound("bounce.wav", winsound.SND_ASYNC)


        #left
        if ball.xcor() < -390:
            ball.goto(0,0)
            ball.dx *= -1
            player2_score += 1
            pen.clear()
            pen.write("Player A: {} Player B: {}".format(player1_score, player2_score), align="center", font=("Courier", 24, "normal"))
            check_for_win_player_2()

        #right
        if ball.xcor() > 390:
            ball.goto(0,0)
            ball.dx *= -1
            player1_score += 1
            pen.clear()
            pen.write("Player A: {} Player B: {}".format(player1_score, player2_score), align="center", font=("Courier", 24, "normal"))
            check_for_win_player_1()

        #paddle and ball collision
        # left
        if (ball.xcor() < -340 and ball.xcor() > -350) and (ball.ycor() < paddle_a.ycor() + 50 and ball.ycor() > paddle_a.ycor() - 50):
            ball.setx(-340)
            ball.dx *= -1

        # right
        if (ball.xcor() > 340 and ball.xcor() < 350) and (ball.ycor() < paddle_b.ycor() + 50 and ball.ycor() > paddle_b.ycor() - 50):
            ball.setx(340)
            ball.dx *= -1

        else:
            break

main()

如何根据用户输入重启我的乒乓球游戏？

0 个答案: