python - 让我的基于海龟的游戏退出按钮工作
问题描述
我想在我的代码中制作一个退出按钮,但它不起作用。我更喜欢使用exit()
,但如果无法使用,exit()
那么您可以使用其他方式使其工作。还请向我解释你是如何修复它的——在此先感谢!我的代码:
import turtle
import math
import random
screen = turtle.Screen()
width = 780
height = 630
screen.setup(width, height)
screen.bgcolor("#202020")
screen.title("SpaceWar")
border = turtle.Turtle()
border.color("white")
border.speed(0)
border.penup()
border.setposition(-375, -300)
border.pendown()
border.pensize(3)
for side in range(2):
border.forward(750)
border.left(90)
border.forward(600)
border.left(90)
border.hideturtle()
score = 0
text1 = turtle.Turtle()
text1.color("white")
text1.speed(0)
text1.penup()
text1.hideturtle()
text1.setposition(-30, 200)
text1.write("Score: ", False, font=("Arial", 50, "normal"), align="center")
text2 = turtle.Turtle()
text2.color("white")
text2.speed(0)
text2.hideturtle()
text3 = turtle.Turtle()
text3.color("red")
text3.speed(0)
text3.hideturtle()
text4 = turtle.Turtle()
text4.color("blue")
text4.speed(0)
text4.hideturtle()
button = turtle.Turtle()
button.color("white")
button.speed(0)
button.pensize(4)
button.penup()
button.hideturtle()
button_text = turtle.Turtle()
button_text.color("white")
button_text.speed(0)
button_text.penup()
button_text.hideturtle()
booster1 = turtle.Turtle()
booster1.shape("circle")
booster1.color("#1c77d9")
booster1.penup()
booster1.speed(0)
booster1.setposition(random.randint(-250, 250), random.randint(-250, 250))
booster2 = turtle.Turtle()
booster2.shape("circle")
booster2.color("#d6281c")
booster2.penup()
booster2.speed(0)
booster2.setposition(random.randint(-250, 250), random.randint(-250, 250))
decreaser = turtle.Turtle()
decreaser.shape("circle")
decreaser.color("green")
decreaser.penup()
decreaser.speed(0)
decreaser.setposition(random.randint(-250, 250), random.randint(-250, 250))
speed1 = 3
speed2 = 3
player1 = turtle.Turtle()
player1.shape("triangle")
player1.color("#1c77d9")
player1.shapesize(1.5)
player1.speed(0)
player1.penup()
player1.goto(-330, 0)
def forward():
player1.fd(speed1)
player2.fd(speed2)
def turn_right():
player1.rt(45)
def turn_left():
player1.lt(45)
turtle.listen()
turtle.onkeypress(turn_left, "a")
turtle.onkeypress(turn_right, "d")
player2 = turtle.Turtle()
player2.shape("triangle")
player2.color("#d6281c")
player2.shapesize(1.5)
player2.speed(0)
player2.penup()
player2.setheading(180)
player2.goto(330, 0)
def turn_right2():
player2.rt(45)
def turn_left2():
player2.lt(45)
def exit_button():
for i in range(2):
button.forward(300)
button.left(90)
button.forward(100)
button.left(90)
def button_click(x, y):
if x > -150 and x < 150 and y > -100 and y < 0:
exit()
turtle.listen()
turtle.onkey(turn_left2, "Left")
turtle.onkey(turn_right2, "Right")
while True:
forward()
a = math.sqrt(math.pow(player1.xcor()-player2.xcor(), 2) + math.pow(player1.ycor()-player2.ycor(), 2))
b = math.sqrt(math.pow(player1.xcor()-booster1.xcor(), 2) + math.pow(player1.ycor()-booster1.ycor(), 2))
c = math.sqrt(math.pow(player2.xcor()-booster2.xcor(), 2) + math.pow(player2.ycor()-booster2.ycor(), 2))
d = math.sqrt(math.pow(player1.xcor()-decreaser.xcor(), 2) + math.pow(player1.ycor()-decreaser.ycor(), 2))
e = math.sqrt(math.pow(player2.xcor()-decreaser.xcor(), 2) + math.pow(player2.ycor()-decreaser.ycor(), 2))
if a < 20:
player1.setposition(-330, 0)
player1.setheading(0)
player2.setposition(330, 0)
player2.setheading(180)
score += 1
text2.undo()
text2.hideturtle()
text2.penup()
text2.setposition(70, 200)
scorestring = "%s" %score
text2.write(scorestring, False, font=("Arial", 50, "normal"))
if b < 20:
speed1 += 1
booster1.setposition(random.randint(-250, 250), random.randint(-250, 250))
if c < 20:
speed2 += 1
booster2.setposition(random.randint(-250, 250), random.randint(-250, 250))
if d < 20:
speed1 -= 1
decreaser.setposition(random.randint(-250, 250), random.randint(-250, 250))
if e < 20:
speed2 -= 1
decreaser.setposition(random.randint(-250, 250), random.randint(-250, 250))
if speed1 == 7:
speed1 -= 1
if speed2 == 7:
speed2 -= 1
if player1.xcor() > 375 or player1.xcor() < -375:
score += 1
player1.setposition(-330, 0)
player1.setheading(0)
text2.undo()
text2.hideturtle()
text2.penup()
text2.setposition(70, 200)
scorestring = "%s" %score
text2.write(scorestring, False, font=("Arial", 50, "normal"))
if player1.ycor() > 300 or player1.ycor() < -300:
score += 1
player1.setposition(-330, 0)
player1.setheading(0)
text2.undo()
text2.hideturtle()
text2.penup()
text2.setposition(70, 200)
scorestring = "%s" %score
text2.write(scorestring, False, font=("Arial", 50, "normal"))
if player2.xcor() > 375 or player2.xcor() < -375:
player2.right(180)
if player2.ycor() > 300 or player2.ycor() < -300:
player2.right(180)
if score == 2:
text3.write("Red Won!", False, font=("Arial", 70, "normal"), align="center")
button_text.goto(-85, -100)
button_text.write("Exit", False, font=("Arial", 70, "normal"))
button.goto(-150, -100)
button.pendown()
booster1.hideturtle()
booster2.hideturtle()
decreaser.hideturtle()
player1.hideturtle()
player2.hideturtle()
exit_button()
turtle.listen()
turtle.onscreenclick(button_click, 1)
解决方案
问题似乎是,一旦设置了退出按钮(继续通话),您就没有break
退出循环。以下是我对您的代码的修改,它解决了这个问题并解决了许多其他问题:while True:
mainloop()
from turtle import Screen, Turtle
from math import sqrt
from random import randint
WIDTH, HEIGHT = 780, 630
SMALL_FONT = ('Arial', 25, 'normal')
LARGE_FONT_SIZE = 70
LARGE_FONT = ('Arial', LARGE_FONT_SIZE, 'normal')
def forward():
player1.fd(speed1)
player2.fd(speed2)
def turn_right():
player1.rt(45)
def turn_left():
player1.lt(45)
def turn_right2():
player2.rt(45)
def turn_left2():
player2.lt(45)
def button_click(x, y):
if -150 < x < 150 and -100 < y < 0:
exit()
def exit_button():
button.begin_fill()
for _ in range(2):
button.forward(300)
button.left(90)
button.forward(100)
button.left(90)
button.end_fill()
button_text.write("Exit", align='center', font=LARGE_FONT)
screen.onscreenclick(button_click)
screen = Screen()
screen.setup(WIDTH, HEIGHT)
screen.bgcolor('#202020')
screen.title("SpaceWar")
border = Turtle()
border.hideturtle()
border.color('white')
border.speed('fastest')
border.pensize(3)
border.penup()
border.setposition(15 - WIDTH/2 - 4, 15 - HEIGHT/2 + 4) # 4 = adjustment for "chrome"
border.pendown()
for side in range(2):
border.forward(WIDTH - 30)
border.left(90)
border.forward(HEIGHT - 30)
border.left(90)
score = 0
text2 = Turtle()
text2.hideturtle()
text2.color('white')
text2.penup()
text2.setposition(70, 200)
scorestring = "Score: %s" % score
text2.write(scorestring, align='center', font=SMALL_FONT)
text3 = Turtle()
text3.hideturtle()
text3.color('red')
button = Turtle()
button.hideturtle()
button.color('white')
button.speed('fastest')
button.pensize(4)
button.penup()
button.goto(-150, -100)
button_text = Turtle()
button_text.hideturtle()
button_text.penup()
button_text.goto(0, -50 + -LARGE_FONT_SIZE/2)
booster1 = Turtle()
booster1.shape('circle')
booster1.color('#1c77d9')
booster1.speed('fastest')
booster1.penup()
booster1.setposition(randint(-250, 250), randint(-250, 250))
booster2 = Turtle()
booster2.shape('circle')
booster2.color('#d6281c')
booster2.speed('fastest')
booster2.penup()
booster2.setposition(randint(-250, 250), randint(-250, 250))
decreaser = Turtle()
decreaser.shape('circle')
decreaser.color('green')
decreaser.speed('fastest')
decreaser.penup()
decreaser.setposition(randint(-250, 250), randint(-250, 250))
speed1 = 3
speed2 = 3
player1 = Turtle()
player1.shape('triangle')
player1.color('#1c77d9')
player1.shapesize(1.5)
player1.speed('fastest')
player1.penup()
player1.setx(-330)
player2 = Turtle()
player2.shape('triangle')
player2.color('#d6281c')
player2.shapesize(1.5)
player2.speed('fastest')
player2.penup()
player2.setheading(180)
player2.setx(330)
screen.onkeypress(turn_left, 'a')
screen.onkeypress(turn_right, 'd')
screen.onkey(turn_left2, 'Left')
screen.onkey(turn_right2, 'Right')
screen.listen()
while True:
forward()
a = sqrt(pow(player1.xcor() - player2.xcor(), 2) + pow(player1.ycor() - player2.ycor(), 2))
b = sqrt(pow(player1.xcor() - booster1.xcor(), 2) + pow(player1.ycor() - booster1.ycor(), 2))
c = sqrt(pow(player2.xcor() - booster2.xcor(), 2) + pow(player2.ycor() - booster2.ycor(), 2))
d = sqrt(pow(player1.xcor() - decreaser.xcor(), 2) + pow(player1.ycor() - decreaser.ycor(), 2))
e = sqrt(pow(player2.xcor() - decreaser.xcor(), 2) + pow(player2.ycor() - decreaser.ycor(), 2))
if a < 20:
player1.setx(-330)
player1.setheading(0)
player2.setx(330)
player2.setheading(180)
score += 1
text2.undo()
scorestring = "Score: %s" % score
text2.write(scorestring, align='center', font=SMALL_FONT)
if b < 20:
speed1 += 1
booster1.setposition(randint(-250, 250), randint(-250, 250))
if c < 20:
speed2 += 1
booster2.setposition(randint(-250, 250), randint(-250, 250))
if d < 20:
speed1 -= 1
decreaser.setposition(randint(-250, 250), randint(-250, 250))
if e < 20:
speed2 -= 1
decreaser.setposition(randint(-250, 250), randint(-250, 250))
if speed1 == 7:
speed1 -= 1
if speed2 == 7:
speed2 -= 1
if not -375 <= player1.xcor() <= 375:
score += 1
player1.setx(-330)
player1.setheading(0)
text2.undo()
scorestring = "Score: %s" % score
text2.write(scorestring, align='center', font=SMALL_FONT)
if not -300 <= player1.ycor() <= 300:
score += 1
player1.setx(-330)
player1.setheading(0)
text2.undo()
scorestring = "Score: %s" % score
text2.write(scorestring, align='center', font=SMALL_FONT)
if not -375 <= player2.xcor() <= 375:
player2.right(180)
if not -300 <= player2.ycor() <= 300:
player2.right(180)
if score == 2:
text3.write("Red Won!", align='center', font=LARGE_FONT)
booster1.hideturtle()
booster2.hideturtle()
decreaser.hideturtle()
player1.hideturtle()
player2.hideturtle()
exit_button()
break
screen.mainloop()
我希望这能给你一些有用的想法。我要做的下一件事是消除while True:
调用,它在乌龟这样的事件驱动世界中没有位置,并将它的主体设为由ontimer()
.
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