task1_1
源码：
from turtle import *
def move(x, y):
'''画笔移动到坐标(x,y)处'''
penup()
goto(x, y)
pendown()
def draw(n, size = 100):
'''绘制边长为size的正n变形'''
for i in range(n):
fd(size)
left(360/n)
def main():
pensize(2)
pencolor('red')
move(-200, 0)
draw(3)
move(0, 0)
draw(4)
move(200, 0)
draw(5)
hideturtle()
done()
main()
截图：
task1_2
源码：
from turtle import *
def moveto(x, y):
"""把画笔移动至坐标(x, y)处"""
penup()
goto(x, y)
pendown()
def main():
pensize(2)
pencolor('blue')
moveto(-150, 0)
circle(50)
moveto(0, 0)
circle(50, steps=4)
moveto(150, 0)
circle(50, steps=5)
moveto(300, 0)
circle(50, steps=6)
hideturtle()
done()
main()
截图：
task2_1
源码
"""以(0,0)为圆心，绘制9个同心圆"""
from turtle import *
def moveto(x, y):
"""把画笔移至坐标(x,y)处"""
penup()
goto(x, y)
pendown()
def main():
setup(800, 600)
radius = 20 # 圆初始半径
offset = 20 # 同心圆每次位移量
for i in range(9):
moveto(0, -radius)
circle(radius)
radius += offset
hideturtle()
done()
main()
截图：
task2_2
源码：
"""以(0, 0)为圆心，绘制9个彩色同心圆，色彩随机生成"""
from turtle import *
from random import random
def moveto(x, y):
"""把画笔移至坐标(x,y)处"""
penup()
goto(x, y)
pendown()
def gen_color():
"""生成一个以rgb三元组表示的颜色值并返回"""
return tuple((random() for _ in range(3)))
def main():
setup(800, 600)
radius = 180 # 圆初始半径
offset = 20 # 同心圆每次位移量
for i in range(8):
moveto(0, -radius)
color(gen_color())
begin_fill()
circle(radius)
end_fill()
radius -= offset
hideturtle()
done()
main()
截图：
task3_1
源码：
from turtle import *
def square(size = 50, rgb = 'pink'):
"""绘制正方形
:para: size:int 指定边长 (如未指定参数，使用默认值)
:para: c: str 指定画笔颜色值 (如未指定参数，使用默认值)
"""
pencolor(rgb)
for i in range(4):
fd(size)
left(90)
def main():
setup(800, 600)
speed(0)
n=10
for i in range(n):
square(80,rgb = 'orange')
left(360/n)
hideturtle()
done()
main()
截图：
task3_2
源码：
from turtle import *
setup(800, 600)
pencolor('pink')
n=10
for i in range(n):
# 绘制一片花瓣
for j in range(2):
circle(80, 90)
left(90)
right(360/n)
hideturtle()
done()
截图：
task4:
源码：
from turtle import *
setup(800, 600)
bgcolor('black')
pencolor('white')
speed(0)
angle = 0
size = 2
n=5# 螺旋n边形
count = 50 # 循环次数
for i in range(count):
fd(size)
angle += 360/n
seth(angle)
size += 5
hideturtle()
done()
截图：
task5_1
源码：
from turtle import *
square = Turtle()
square.color('black')
square.penup()
square.goto(-100,-100)
square.pendown()
square.begin_fill()
for _ in range(4):
square.fd(200)
square.left(90)
square.end_fill()
s2 = Turtle()
s2.color('red')
s2.penup()
s2.goto(0,-100)
s2.pendown()
s2.left(45)
s2.begin_fill()
for _ in range(4):
s2.fd(100*(2**0.5))
s2.left(90)
s2.end_fill()
done()
截图：
task5_2
源码：
from turtle import *
sector = Turtle()
# 初始化绘图参数
sector.penup()
sector.goto(0, 0)
sector.color('blue')
sector.pensize(2)
sector.speed(0)
# 设置扇形数值
radius = 40
delta_d = 20
sector.pendown()
for _ in range(5):
sector.fd(radius)
sector.left(90)
sector.circle(radius, extent=90)
sector.seth(270)
sector.fd(radius)
sector.seth(0)
radius += delta_d
done()
截图：
task6
源码：
from turtle import *
from random import random
strip = Turtle()
setup(800, 600)
strip.speed(0)
# 获取颜色
def colors():
return tuple(random() for _ in range(3))
strip.pendown()
for i in range(10):
strip.color(colors())
strip.begin_fill()
for _ in range(2):
strip.fd(20)
strip.left(90)
strip.fd(60)
strip.left(90)
strip.fd(20)
strip.end_fill()
strip.penup()
strip.goto(0, 0)
strip.pendown()
for i in range(10):
strip.color(colors())
strip.begin_fill()
strip.seth(180)
for _ in range(2):
strip.fd(20)
strip.right(90)
strip.fd(60)
strip.right(90)
strip.fd(20)
strip.end_fill()
strip.hideturtle()
done()
截图：
实验总结：
标签：sector,fd,range,radius,strip,实验,def From： https://www.cnblogs.com/minkongchan/p/17464462.html