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我对python语言和编程一般都很陌生,对我一无所知。我创建了一个随机行走场景,它在随机方向上进行一次特定次数的步骤。我遇到的一件事情是,有时它会离开我设置的图形窗口,我不能再看到它在哪里。 下面是代码:如何保持走出图形窗口的随机行走场景
from random import *
from graphics import *
from math import *
def walker():
win = GraphWin('Random Walk', 800, 800)
win.setCoords(-50, -50, 50, 50)
center = Point(0, 0)
x = center.getX()
y = center.getY()
while True:
try:
steps = int(input('How many steps do you want to take? (Positive integer only) '))
if steps > 0:
break
else:
print('Please enter a positive number')
except ValueError:
print('ERROR... Try again')
for i in range(steps):
angle = random() * 2 * pi
newX = x + cos(angle)
newY = y + sin(angle)
newpoint = Point(newX, newY).draw(win)
Line(Point(x, y), newpoint).draw(win)
x = newX
y = newY
walker()
我的问题是,有没有办法,我可以设置图形窗口的参数,使步行者不能窗外去了?如果它试图,它会转过身来尝试另一个方向?
谢谢!