实验6-JZTXT

实验任务1

task1_1.py

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

task1_2.py

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

实验任务2

task2_1.py

 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     '''把画笔移至坐标(x,y)处'''
 7     penup()
 8     goto(x, y)
 9     pendown()
10 
11 
12 def main():
13     setup(800, 600)
14 
15     radius = 20 # 圆初始半径
16     offset = 20 # 同心圆每次位移量
17 
18     for i in range(9):
19         moveto(0, -radius)
20         circle(radius)
21         radius += offset
22 
23     hideturtle()
24     done()
25 
26 main()

task2_2.py

 1 '''以(0, 0)为圆心，绘制9个彩色同心圆，色彩随机生成'''
 2 from turtle import *
 3 from random import random
 4 
 5 def moveto(x, y):
 6     '''把画笔移至坐标(x,y)处'''
 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 # 圆初始半径
19     offset = 20 # 同心圆每次位移量
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()

实验任务3

task3_1.py

 1 from turtle import*
 2 def squre(size=50,rgb='pink'):
 3     pencolor(rgb)
 4     for i in range(4):
 5         fd(size)
 6         left(90)
 7 def main():
 8     setup(800,600)
 9     speed(0)
10     n=9
11     for i in range(n):
12         squre(80)
13         left(360/n)
14     hideturtle()
15     done()
16 main()

task3_2.py

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

实验任务4

task4.py

 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 = 5
12 count = 50
13 for i in range(count):
14     fd(size)
15     angle +=360/n
16     seth(angle)
17     size+=5
18 
19 hideturtle()
20 done()

实验任务5

task5_1.py

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

task5_2.py

 1 from turtle import *
 2 def move(x,y):
 3     penup()
 4     goto(x,y)
 5     pendown()
 6 pensize(2)
 7 pencolor('blue')
 8 speed(0)
 9 r = 40
10 move(0,-r)
11 for i in range(5):
12     circle(r)
13     r+=20
14     move(0,-r)
15 move(-120,0)
16 begin_fill()
17 fillcolor('white')
18 pencolor('white')
19 for i in range(4):
20     fd(120)
21     left(90)
22 end_fill()
23 move(-120,-120)
24 begin_fill()
25 fillcolor('white')
26 pencolor('white')
27 for i in range(4):
28     fd(120)
29     left(90)
30 end_fill()
31 move(0,-120)
32 begin_fill()
33 fillcolor('white')
34 pencolor('white')
35 for i in range(4):
36     fd(120)
37     left(90)
38 end_fill()
39 pencolor('blue')
40 move(0,0)
41 fd(120)
42 move(0,0)
43 left(90)
44 fd(120)
45 hideturtle()
46 done()

实验任务6

 1 from turtle import *
 2 
 3 setup(800,600)
 4 speed(0)
 5 
 6 def move(x,y):
 7     penup()
 8     goto(x,y)
 9     pendown()
10 
11 bgcolor('black')
12 
13 move(0,-100)
14 pencolor('yellow')
15 fillcolor('yellow')
16 begin_fill()
17 circle(100)
18 end_fill()
19 
20 pencolor('black')
21 move(0,0)
22 begin_fill()
23 fillcolor('black')
24 right(45)
25 for i in range(4):
26     fd(100)
27     left(90)
28 
29 move(0,50)
30 circle(16)
31 end_fill()
32 
33 pencolor('white')
34 fillcolor('white')
35 begin_fill()
36 move(-4*2**0.5,50+4*2**0.5)
37 circle(4)
38 end_fill()
39 
40 hideturtle()
41 done()