实验六

task1_1

from turtle import *
def move(x,y):
    penup()
    goto(x,y)
    pendown()
def draw(n,size=100):
    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()

 

task1_2

from turtle import *
def move(x,y):
    penup()
    goto(x,y)
    pendown()
def draw(n,size=100):
    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()

 

task2_1

from turtle import *
def move(x,y):
    penup()
    goto(x,y)
    pendown()
def main():
    setup(800,600)
    radius=20
    offset=20
    for i in range(9):
        move(0,-radius)
        circle(radius)
        radius+=offset
    hideturtle()
    done()
main()

 

task2_2

from turtle import *
from random import random
def move(x,y):
    penup()
    goto(x,y)
    pendown()
def gen_color():
    return tuple((random() for i in range(3)))
def main():
    setup(800,600)
    radius=180
    offset=20
    for i in range(8):
        move(0,-radius)
        color(gen_color())
        begin_fill()
        circle(radius)
        end_fill()
        radius-=offset
    hideturtle()
    done()
main()

 

task3_1

from turtle import *
def square(size=50,rgb='pink'):
    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,'orange')
        left(360/n)
    hideturtle()
    done()
main()

 

task3_2

from turtle import *
setup(800,600)
pencolor('pink')
n=10
speed(0)
for i in range(10):
    for j in range(2):
        circle(80,90)
        left(90)
    right(360/n)
hideturtle()
done()

 

task4

from turtle import *
setup(1600,1200)
bgcolor('black')
pencolor('white')
speed(0)
angle=0
size=1
n=5
count=100
for i in range(count):
    fd(size)
    angle+=360/n
    seth(angle)
    size+=5
hideturtle()
done()

 

task5_1

from turtle import *
def move(x,y):
    penup()
    goto(x,y)
    pendown()
def draw(n,c,size = 100):
    color(c)
    begin_fill()
    for i in range(n):
        fd(size)
        left(360/n)
    end_fill()
move(-100,-100)
draw(4,'black',200)
move(-100,0)
right(45)
draw(4,'red',100*(2)**0.5)
hideturtle()
done()

 

task5_2

from turtle import *
pensize(2)
def move(x,y):
    penup()
    goto(x,y)
    pendown()
def quarter_round(r):
    pencolor('blue')
    move(0,r)
    circle(-r,90)
    for i in range(2):
        right(90)
        fd(r)
    home()

radius=40
offset=20
for i in range(5):
    quarter_round(radius)
    radius+=offset
hideturtle()
done()

 

task6

from turtle import *
speed(0)
def move(x,y):
    penup()
    goto(x,y)
    pendown()
bgcolor('black')
color('yellow')
move(0,-100)
begin_fill()
circle(100)
end_fill()
color('black')
move(87,-51)
seth(60)
begin_fill()
circle(100,60)
home()
end_fill()
move(-30,50)
dot(30,'black')
move(-38,58)
dot(5,'white')
hideturtle()
done()