Python 终结符错误 [英] Python Terminator Error
问题描述
我正在和我的一个朋友一起在学校做一个 Python 项目.我们导入了 Turtle 和 Math.我的问题是，当我使用Esc"按钮关闭窗口时，我收到一条错误消息，指出终结者错误"...我问过老师，但即使他们也不知道问题出在哪里，因为他们对 Turtle 不是很熟悉.
I'm working on a Python project with a friend of mine for school. We have imported Turtle and Math. My problem is that when I use the "Esc" button to close the window, I get an error saying "Terminator Error"... I've asked the teachers but even they don't know what the problem is because they aren't very familiar with Turtle.
你们中的任何人都可以告诉我我做错了什么吗?顺便说一句:我在 Windows 10 上使用 EduPython.
Could any of you guys tell me what I'm doing wrong ? btw : I'm using EduPython on Windows 10.
代码如下:
import turtle
import math
fn = turtle.Screen()
fn.bgcolor("black")
fn.title("No Escape !")
fn.setup(700, 700)
images = ["right.gif", "left.gif", "face.gif", "back.gif", "tresor.gif", "mur.gif", "sol.gif"]
for image in images:
# On ajoute l'image a notre labyrinthe.
fn.addshape(image)
turtle.shape(image)
# On retire les mises a jour et deplace l'image de base qui etait au centre.
fn.tracer(0)
turtle.goto(-700, -700)
class Stylo(turtle.Turtle):
def __init__(self):
turtle.Turtle.__init__(self)
self.shape("square")
self.color("white")
self.penup()
self.speed(0)
def closefn():
turtle.bye()
class Joueur(turtle.Turtle):
def __init__(self):
turtle.Turtle.__init__(self)
self.shape("face.gif")
self.color("blue")
self.penup()
self.speed(0)
def haut(self):
move_to_x = self.xcor()
move_to_y = self.ycor() + 24
self.shape("back.gif")
if (move_to_x, move_to_y) not in murs:
self.goto(move_to_x, move_to_y)
def bas(self):
move_to_x = self.xcor()
move_to_y = self.ycor() - 24
self.shape("face.gif")
if (move_to_x, move_to_y) not in murs:
self.goto(move_to_x, move_to_y)
def gauche(self):
move_to_x = self.xcor() - 24
move_to_y = self.ycor()
self.shape("left.gif")
if (move_to_x, move_to_y) not in murs:
self.goto(move_to_x, move_to_y)
def droite(self):
move_to_x = self.xcor() + 24
move_to_y = self.ycor()
self.shape("right.gif")
if (move_to_x, move_to_y) not in murs:
self.goto(move_to_x, move_to_y)
def collision(self, other):
a = self.xcor()-other.xcor()
b = self.ycor()-other.ycor()
distance = math.sqrt((a ** 2) + (b ** 2))
if distance < 5:
return True
else:
return False
class Tresor(turtle.Turtle):
def __init__(self, x, y):
turtle.Turtle.__init__(self)
self.shape("tresor.gif")
self.penup()
self.speed(0)
self.goto(x, y)
def destruction(self):
self.goto(2000, 2000)
self.hideturtle()
niveaux = []
niveaux.append([
"XXXXXXXXXXXXXXXXXXXXXXXXX",
"XJ X X X",
"X X XXX X XXXXXXX X",
"X X TX X X X",
"X XXXXX X X XXXXXXX X",
"X X X X",
"XXXXXXXX X XT X X X",
"X X X XXXXXXXXXXXXXX X",
"X X X X X X X",
"X X XT X X X X XTX",
"X X XXXX X X XXXXXX X XXX",
"X X X X X TX X X",
"X XXX XX XXXXXXXXXXXXXX",
"X X X X",
"XXXXXXXX XTX X X XXX X",
"X X X XXX X X XT X",
"X XXX X X X X XXXXX",
"X XXT X X XXXXXXX X X X",
"X XXXXX X X",
"X XXXXXXXXXX X X",
"XXXXX XXXXX X",
"X X X X XX XXXXX",
"X XXXXXXXX X XXX X XX",
"X TX X XT X X X",
"XXXXXXXXXXXXXXXXXXXXXXXXX"]);
tresors = []
murs = []
def setup_labyrinthe(niveau):
for y in range(len(niveau)):
for x in range(len(niveau[y])):
caractere = niveau[y][x]
ecran_x = -288 + (x * 24)
ecran_y = 288 - (y * 24)
if caractere == "X":
stylo.goto(ecran_x, ecran_y)
stylo.shape("mur.gif")
stylo.stamp()
murs.append((ecran_x, ecran_y))
if caractere == "J":
joueur.goto(ecran_x, ecran_y)
if caractere == "T":
tresors.append(Tresor(ecran_x, ecran_y))
stylo = Stylo()
joueur = Joueur()
score = 0
setup_labyrinthe(niveaux[0])
fn.tracer(0)
while True:
# On associe les touches du clavier.
turtle.listen()
turtle.onkeypress(joueur.gauche, "Left")
turtle.onkeypress(joueur.droite, "Right")
turtle.onkeypress(joueur.haut, "Up")
turtle.onkeypress(joueur.bas, "Down")
turtle.onkey(closefn, "Escape")
print(score)
turtle.write(score)
turtle.goto(180, 315)
for tresor in tresors:
if joueur.collision(tresor):
tresor.destruction()
score = score+100
tresors.remove(tresor)
fn.update()
推荐答案
当我使用Esc"按钮关闭窗口时，我收到一条错误消息终结者错误"
when I use the "Esc" button to close the window, I get an error saying "Terminator Error"
问题是您在基于事件的世界中使用 while True:，有效地关闭了事件系统并导致事情以非同步方式发生.Terminator Error 当海龟屏幕已关闭但方法仍在运行时发生.
The problem is you're using while True: in an event-based world, effectively shutting out the event system and causing things to happen in non-synchronous ways. The Terminator Error occurs when the turtle screen has been closed but methods are still acting as if it's running.
解决这个问题的一种方法是让一切都在事件模型中工作.下面我消除了您的 while True: 循环，并用一个函数替换它，该函数在玩家移动到新位置时调用.为了提高效率和/或风格，我清理了很多其他东西:
One way around this is to make everything work within the event model. Below I've eliminated your while True: loop and replaced it with a function that's called whenever the player moves to a new position. And I've cleaned up lots of other stuff for efficiency and/or style:
from turtle import Turtle, Screen
IMAGES = ["right.gif", "left.gif", "face.gif", "back.gif", "tresor.gif", "mur.gif", "sol.gif"]
FONT = ('Arial', 18, 'bold')
class Stylo(Turtle):
def __init__(self):
Turtle.__init__(self, "mur.gif")
self.color("white")
self.penup()
self.speed('fastest')
class Joueur(Turtle):
def __init__(self):
Turtle.__init__(self, "face.gif")
self.color("blue")
self.penup()
self.speed('fastest')
def haut(self):
move_to_x = self.xcor()
move_to_y = self.ycor() + 24
self.shape("back.gif")
if (move_to_x, move_to_y) not in murs:
self.goto(move_to_x, move_to_y)
scorefn()
def bas(self):
move_to_x = self.xcor()
move_to_y = self.ycor() - 24
self.shape("face.gif")
if (move_to_x, move_to_y) not in murs:
self.goto(move_to_x, move_to_y)
scorefn()
def gauche(self):
move_to_x = self.xcor() - 24
move_to_y = self.ycor()
self.shape("left.gif")
if (move_to_x, move_to_y) not in murs:
self.goto(move_to_x, move_to_y)
scorefn()
def droite(self):
move_to_x = self.xcor() + 24
move_to_y = self.ycor()
self.shape("right.gif")
if (move_to_x, move_to_y) not in murs:
self.goto(move_to_x, move_to_y)
scorefn()
def collision(self, other):
return self.distance(other) < 5
class Tresor(Turtle):
def __init__(self, x, y):
Turtle.__init__(self, "tresor.gif")
self.penup()
self.speed('fastest')
self.goto(x, y)
def destruction(self):
self.hideturtle()
self.goto(2000, 2000)
NIVEAUX = [[
"XXXXXXXXXXXXXXXXXXXXXXXXX",
"XJ X X X",
"X X XXX X XXXXXXX X",
"X X TX X X X",
"X XXXXX X X XXXXXXX X",
"X X X X",
"XXXXXXXX X XT X X X",
"X X X XXXXXXXXXXXXXX X",
"X X X X X X X",
"X X XT X X X X XTX",
"X X XXXX X X XXXXXX X XXX",
"X X X X X TX X X",
"X XXX XX XXXXXXXXXXXXXX",
"X X X X",
"XXXXXXXX XTX X X XXX X",
"X X X XXX X X XT X",
"X XXX X X X X XXXXX",
"X XXT X X XXXXXXX X X X",
"X XXXXX X X",
"X XXXXXXXXXX X X",
"XXXXX XXXXX X",
"X X X X XX XXXXX",
"X XXXXXXXX X XXX X XX",
"X TX X XT X X X",
"XXXXXXXXXXXXXXXXXXXXXXXXX"]]
def setup_labyrinthe(niveau):
for y in range(len(niveau)):
for x in range(len(niveau[y])):
caractere = niveau[y][x]
ecran_x = -288 + (x * 24)
ecran_y = 288 - (y * 24)
if caractere == "X":
stylo.goto(ecran_x, ecran_y)
stylo.stamp()
murs.append((ecran_x, ecran_y))
elif caractere == "J":
joueur.goto(ecran_x, ecran_y)
elif caractere == "T":
tresors.append(Tresor(ecran_x, ecran_y))
def scorefn():
global score
for tresor in tresors:
if joueur.collision(tresor):
tresor.destruction()
score += 100
# On associe les touches du clavier.
marker.undo()
marker.write(score, font=FONT)
tresors.remove(tresor)
fn = Screen()
fn.bgcolor("black")
fn.title("No Escape!")
fn.setup(700, 700)
fn.tracer(False) # turn off screen updates
for image in IMAGES:
# On ajoute l'image a notre labyrinthe.
fn.addshape(image)
stylo = Stylo()
joueur = Joueur()
tresors = []
murs = []
setup_labyrinthe(NIVEAUX[0])
fn.onkeypress(joueur.gauche, "Left")
fn.onkeypress(joueur.droite, "Right")
fn.onkeypress(joueur.haut, "Up")
fn.onkeypress(joueur.bas, "Down")
fn.onkey(fn.bye, "Escape")
fn.listen()
score = 0
marker = Turtle(visible=False)
marker.penup()
marker.color('green')
marker.goto(180, 315)
marker.write(score, font=FONT)
fn.tracer(True) # turn screen updates back on
fn.mainloop()
我的下一个警告是海龟在浮点平面上徘徊.直接将列表中的墙壁位置与海龟位置进行比较可能并不总是有效(考虑 315.0 与 315.00003).像宝藏一样，考虑使用海龟的 distance() 方法(它适用于位置以及其他海龟)和一个软糖因素来确定您是否会离墙太近而不是正好在一个位置.
My next warning is that turtles wander a floating point plane. Comparing wall positions in a list directly against turtle positions might not always work (ponder 315.0 vs. 315.00003). Like treasures, consider using turtle's distance() method (which works with positions as well as other turtles) and a fudge factor to determine if you will be too close to a wall instead of exactly at one.
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