实验六

标签：10 20 range radius 实验 def size

任务一

实验源码

 1 from turtle import *
 2 
 3 def move(x, y):
 4     penup()
 5     goto(x, y)
 6     pendown()
 7 
 8 def draw(n, size = 100):
 9     for i in range(n):
10         fd(size)
11         left(360/n)
12 
13 def main():
14     pensize(2)
15     pencolor('red')
16 
17     move(-200,0)
18     draw(3)
19 
20     move(0, 0)
21     draw(4)
22 
23     move(200, 0)
24     draw(5)
25 
26     hideturtle()
27     done()
28 
29 
30 main()

task

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实验源码

 1 from turtle import *
 2 
 3 def moveto(x, y):
 4     penup()
 5     goto(x, y)
 6     pendown()
 7 
 8 def main():
 9     pensize(2)
10     pencolor('blue')
11 
12     moveto(-150, 0)
13     circle(50)
14 
15     moveto(0, 0)
16     circle(50, steps=4)
17 
18     moveto(150,0)
19     circle(50,steps=5)
20 
21     moveto(300, 0)
22     circle(50, steps=6)
23 
24     hideturtle()
25     done()
26 
27 main()

task

任务二

实验源码

 1 '''以(0,0)为圆心，绘制9个同心圆'''
 2 
 3 from turtle import *
 4 
 5 def moveto(x, y):
 6     penup()
 7     goto(x, y)
 8     pendown()
 9 
10 def main():
11     setup(800, 600)
12 
13     radius = 20
14     offset = 20  # 同心圆每次位移量
15     for i in range(9):
16         moveto(0, -radius)
17         circle(radius)
18         radius += offset
19 
20     hideturtle()
21     done()
22 
23 main()

task

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实验源码

 1 '''以(0, 0)为圆心，绘制9个彩色同心圆，色彩随机生成'''
 2 
 3 from turtle import *
 4 from random import random
 5 
 6 def moveto(x, y):
 7     penup()
 8     goto(x, y)
 9     pendown()
10 
11 def gen_color():
12     '''生成一个以rgb三元组表示的颜色值并返回'''
13     return tuple((random() for i in range(3)))
14 
15 def main():
16     setup(800, 600)
17 
18     radius=180
19     offset=20
20 
21     for i in range(8):
22         moveto(0, -radius)
23         color(gen_color())
24 
25         begin_fill()
26         circle(radius)
27         end_fill()
28 
29         radius -= offset
30 
31     hideturtle()
32     done()
33 
34 main()

task

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任务三

实验源码

 1 from turtle import *
 2 
 3 def square(size=50, rgb='pink'):
 4     '''绘制正方形
 5     :para: size:int 指定边长 (如未指定参数，使用默认值）
 6     :para: c: str 指定画笔颜色值 (如未指定参数，使用默认值）
 7     '''
 8 
 9     pencolor(rgb)
10     for i in range(4):
11         fd(size)
12         left(90)
13 
14 def main():
15     setup(800, 600)
16     speed(0)
17 
18     n = 3
19     for i in range(n):
20         square(80)
21         left(360/n)
22 
23     hideturtle()
24     done()
25 
26 main()

task

运行结果截图

实验源码

 1 from turtle import *
 2 
 3 def square(size=50, rgb='pink'):
 4     '''绘制正方形
 5     :para: size:int 指定边长 (如未指定参数，使用默认值）
 6     :para: c: str 指定画笔颜色值 (如未指定参数，使用默认值）
 7     '''
 8 
 9     pencolor(rgb)
10     for i in range(4):
11         fd(size)
12         left(90)
13 def trangle(size=50):
14     for i in range(3):
15         fd(size)
16         left(120)
17 
18 
19 
20 setup(800, 600)
21 speed(0)
22 n = 10
23 for i in range(n):
24     square(80)
25     left(360/n)
26 
27 
28 
29 hideturtle()
30 done()

task

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实验源码

 1 from turtle import *
 2 
 3 setup(800, 600)
 4 pencolor('pink')
 5 speed(0)
 6 
 7 n=10
 8 for i in range(n):
 9     for i in range(2):
10         circle(80, 90)
11         left(90)
12 
13     right(360/n)
14 
15 hideturtle()
16 done()

task

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任务四

实验源码

 1 from turtle import*
 2 
 3 setup(800, 600)
 4 bgcolor('black')
 5 pencolor('white')
 6 speed(0)
 7 
 8 angle = 0
 9 size = 2
10 
11 n = 4  # 螺旋n边形
12 count = 50
13 for i in range(count):
14     fd(size)
15     angle += 360/n+1
16     seth(angle)
17     size += 5
18 
19 hideturtle()
20 done()

task

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任务五

实验源码

 1 from turtle import *
 2 def square(size):
 3     for i in range(4):
 4         fd(size)
 5         left(90)
 6 
 7 
 8 
 9 penup()
10 goto(-100, -100)
11 pendown()
12 begin_fill()
13 fillcolor('black')
14 square(200)
15 end_fill()
16 
17 penup()
18 goto(0, -100)
19 pendown()
20 left(45)
21 begin_fill()
22 fillcolor('red')
23 square(100*(2**0.5))
24 end_fill()
25 
26 hideturtle()
27 done()

task

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实验源码

 1 from turtle import *
 2 
 3 pensize(2)
 4 pencolor('blue')
 5 
 6 radius = 40
 7 offset = 20
 8 
 9 for i in range(5):
10     home()
11     setheading(0)
12     forward(radius)
13     left(90)
14     circle(radius, 90)
15     left(90)
16     forward(radius)
17     radius += offset
18 
19 done()

task

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任务六

实验源码

 1 from turtle import *
 2 def moveto(x, y):
 3     penup()
 4     goto(x, y)
 5     pendown()
 6 
 7 bgcolor('black')
 8 pencolor('yellow')
 9 begin_fill()
10 fillcolor('yellow')
11 goto(100, 100)
12 left(135)
13 circle(100*2**0.5, 270)
14 end_fill()
15 
16 pencolor('black')
17 begin_fill()
18 fillcolor('black')
19 
20 moveto(0, 80)
21 circle(15)
22 end_fill()
23 
24 moveto(-15, 90)
25 begin_fill()
26 fillcolor('white')
27 circle(5)
28 end_fill()
29 
30 hideturtle()
31 done()

task

运行结果截图

 

标签：10,20,range,radius,实验,def,size
From： https://www.cnblogs.com/sqdl666/p/17474721.html