绕pai的数字合成gif图by李兴球Python创意编程

绕pai的数字合成gif图by李兴球Python创意编程

"""
  绕pai的数字合成gif图.py
"""
from sprites import Screen,Sprite

pai = '3.14159265358979323846264338327950288 '

screen = Screen()
screen.bgcolor('black')
screen.setup(600,600)

t = Sprite('blank')
t.color('cyan')

radius = 200
frames = []
t.bk(radius);t.left(90)
ft = ('宋体',38,'normal')
for i in range(len(pai)):
    t.write(pai[i],angle=90-i * 360/len(pai),font=ft)
    t.circle(-radius,360/len(pai))
    frames.append(screen.save())
    t.wait(0.1)
#for index,frame in enumerate(frames):
#    frame.save(f'绕pai/{index}.png')

# 合成为gif图形
filename = '绕pai.gif'
pic = frames[0]
pic.save(filename, save_all=True,append_images=frames[1:],
        optimize=True,quality=80,duration=200,loop=True)
screen.mainloop()