1、python绘制一个长方形
from turtle import *
width(4)
forward(200)
right(90)
pencolor('red')
forward(100)
right(90)
pencolor('green')
forward(200)
right(90)
pencolor('blue')
forward(100)
right(90)
done()
输出如下:
2、绘制五角星
from turtle import *
def drawStar(x,y):
pu()
goto(x,y)
pd()
seth(0)
for i in range(5):
fd(40)
rt(144)
for x in range(0,250,50):
drawStar(x,0)
done()
输出如下:
3、绘制一颗分型树
from turtle import *
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
w = width()
width(w*3.0/4.0)
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)
width(w)
speed('fastest')
draw_tree(1,4)
done()
由于时间较长,没能等到最终的结果:
最终的结果应该为: