python海龟绘图 国旗 python海龟绘图代码5

from turtle import *
def drawStar(x, y):
    penup()#pu()
    goto(x, y)
    pendown() #pd()
    # set heading: 0
    seth(0)
    for i in range(5):
        fd(40) #forward()
        rt(144) #right()

for x in range(0, 250, 50): #控制输出位置0，50，100，150...
    drawStar(x, 0)
done()

分型树代码：

from turtle import *
# 设置色彩模式是RGB:
colormode(255)
lt(90)
lv = 14
l = 120
s = 45
width(lv)
# 初始化RGB颜色:
r = 0
g = 0
b = 0
pencolor(r, g, b)
penup()
bk(l)
pendown()
fd(l)
def draw_tree(l, level):
    global r, g, b
    # save the current pen width
    w = width()
    # narrow the pen width
    width(w * 3.0 / 4.0)
    # set color:
    r = r + 1
    g = g + 2
    b = b + 3
    pencolor(r % 200, g % 200, b % 200)
    l = 3.0 / 4.0 * l
    lt(s)
    fd(l)
    if level < lv:
        draw_tree(l, level + 1)
    bk(l)
    rt(2 * s)
    fd(l)
    if level < lv:
        draw_tree(l, level + 1)
    bk(l)
    lt(s)
    # restore the previous pen width
    width(w)
speed("fastest")
draw_tree(l, 4)
done()