<p>我终于找到了答案</p>
<p>在Screen.update()之后可以使用一个名为time.sleep()的函数。如果您在time.sleep()内输入一个值,它将在再次刷新之前暂停数秒</p>
<p>例如,我通过以下操作修复了自己的代码:</p>
<pre><code>import turtle
import time
sketcher = turtle.Turtle()
canvas = turtle.Screen()
sketcher.speed(0)
sketcher.hideturtle()
def drawPinwheelAnimation(length):
sketcher.setheading(90)
backwardLength = length
lengthChange = 1
while(True):
canvas.tracer(0)
drawPinwheel(0, 0, length, backwardLength)
drawPinwheel(3*length, 0, length, backwardLength)
drawPinwheel(0, 3*length, length, backwardLength)
drawPinwheel(-3*length, 0, length, backwardLength)
drawPinwheel(0, -3*length, length, backwardLength)
canvas.update()
time.sleep(.01) # < Here's the time.sleep() function!
backwardLength += lengthChange
if(backwardLength == (1.5*length) or backwardLength == (0.5*length)):
lengthChange *= -1
sketcher.clear()
def drawSwingingPinwheel(xPos, yPos, initialLength):
while(True):
drawPinwheel(xPos, yPos, forwardLength, backwardLength)
backwardLength += lengthChange
if(backwardLength == (1.5*initialLength) or backwardLength == (0.5*initialLength)):
lengthChange *= -1
sketcher.clear()
def drawPinwheel(xPos, yPos, fdLength, bkLength):
sketcher.penup()
sketcher.setpos(xPos, yPos)
sketcher.pendown()
for side in range(12):
sketcher.fd(fdLength)
sketcher.bk(bkLength)
sketcher.rt(30)
drawPinwheelAnimation(50)
turtle.mainloop()
</code></pre>
<p>希望这对任何人都有帮助</p>