实验6 turtle绘图与python库应用编程体验

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

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

 1 from turtle import *
 2 def moveto(x, y):
 3     penup()
 4     goto(x, y)
 5     pendown()
 6 def main():
 7     setup(800, 600)
 8     radius = 20
 9     offset = 20
10     for i in range(9):
11         moveto(0, -radius)
12         circle(radius)
13         radius += offset
14     hideturtle()
15     done()
16 main()

 1 from turtle import *
 2 from random import random
 3 
 4 def moveto(x,y):
 5     penup()
 6     goto(x,y)
 7     pendown
 8 
 9 def gen_color():
10     return tuple((random() for i in range(3)))
11 
12 def main():
13     setup(800,600)
14 
15     radius = 180
16     offset = 20
17 
18     for i in range(8):
19         moveto(0,-radius)
20         color(gen_color())
21 
22         begin_fill()
23         circle(radius)
24         end_fill()
25 
26         radius -= offset
27 
28     hideturtle()
29     done()
30 
31 main()

 1 from turtle import *
 2 def square(size = 50, rgb = 'orange'):
 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 =10
11     for i in range(n):
12         square(80)
13         left(360/n)
14     hideturtle()
15     done()
16 main()

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

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

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

 1 from turtle import *
 2 color('blue')
 3 r = 20
 4 for i in range(5):
 5     r += 20
 6     forward(r)
 7     left(90)
 8     circle(r,90)
 9     left(90)
10     forward(r)
11     left(90)
12     forward(40)
13     goto(0,0)
14 hideturtle()
15 done()

 1 from turtle import *
 2 def moveto(x, y):
 3     penup()
 4     goto(x, y)
 5     pendown()
 6 
 7 def main():
 8     bgcolor('black')
 9     color('yellow')
10     begin_fill()
11     moveto(0,0)
12     left(45)
13     forward(100)
14     left(90)
15     circle(100,270)
16     left(90)
17     forward(100)
18     end_fill()
19     moveto(15,60)
20     color('black')
21     begin_fill()
22     circle(10,360)
23     end_fill()
24     moveto(5,55)
25     color('white')
26     begin_fill()
27     circle(2,360)
28     end_fill()
29 hideturtle()
30 main()