python turtle画彩虹的代码,用python画彩色蟒蛇

本文实例为大家分享了python绘制彩虹图的具体代码，供大家参考，具体内容如下

from turtle import *

#控制彩虹路径

def path(pen, r, g, b):

pen.penup()

pen.goto(-400, -300)

pen.pendown()

pen.pencolor(r, g, b)

pen.circle(1000, -180)

pen.pensize(2)

pen.right(0.05)

#绘制彩虹控制颜色

def Rainbow():

pen = Turtle()

pen.right(110)

r = 255

g = 0

b = 0

interval = 5

colormode(255)

# 由红到黄

while g < 256:

path(pen, r, g, b)

g = g + interval

#由黄到绿

g = 255

while r > 0:

r = r - interval

path(pen, r, g, b)

#由绿到青

r = 0

while (b < 255 ):

b = b + interval

path(pen, r, g, b)

b = 255

#由青到蓝

while (g > 0):

g = g - interval

path(pen, r, g, b)

#由蓝到紫到红

g = 0

while r < 255:

r = r + interval

path(pen, r, g, b)

#文字输出

def TextFun():

text = Turtle()

text.hideturtle()

text.color("red")

text.penup()

text.setpos(100, -100)

text.pendown()

text.write("Rainbow", False, align="center", font=("Script MT Bold", 80, "bold"))

def main():

setup(800, 600, 0, 0)

title("rainbow")

tracer(False)

Rainbow()

TextFun()

tracer(True)

mainloop()

if __name__ == '__main__':

main()

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持python博客。