2008-06-10 04:44:07 +00:00
|
|
|
""" turtle-example-suite:
|
|
|
|
|
|
|
|
|
|
tdemo_yinyang.py
|
|
|
|
|
|
|
|
|
|
Another drawing suitable as a beginner's
|
|
|
|
|
programming example.
|
|
|
|
|
|
|
|
|
|
The small circles are drawn by the circle
|
|
|
|
|
command.
|
|
|
|
|
|
|
|
|
|
"""
|
|
|
|
|
|
2008-09-21 07:32:10 +00:00
|
|
|
from turtle import *
|
2008-06-10 04:44:07 +00:00
|
|
|
|
|
|
|
|
def yin(radius, color1, color2):
|
|
|
|
|
width(3)
|
|
|
|
|
color("black", color1)
|
|
|
|
|
begin_fill()
|
|
|
|
|
circle(radius/2., 180)
|
|
|
|
|
circle(radius, 180)
|
|
|
|
|
left(180)
|
|
|
|
|
circle(-radius/2., 180)
|
|
|
|
|
end_fill()
|
|
|
|
|
left(90)
|
|
|
|
|
up()
|
|
|
|
|
forward(radius*0.35)
|
|
|
|
|
right(90)
|
|
|
|
|
down()
|
|
|
|
|
color(color1, color2)
|
|
|
|
|
begin_fill()
|
|
|
|
|
circle(radius*0.15)
|
|
|
|
|
end_fill()
|
|
|
|
|
left(90)
|
|
|
|
|
up()
|
|
|
|
|
backward(radius*0.35)
|
|
|
|
|
down()
|
|
|
|
|
left(90)
|
|
|
|
|
|
|
|
|
|
def main():
|
|
|
|
|
reset()
|
|
|
|
|
yin(200, "black", "white")
|
|
|
|
|
yin(200, "white", "black")
|
|
|
|
|
ht()
|
|
|
|
|
return "Done!"
|
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
|
main()
|
|
|
|
|
mainloop()
|
