试验任务一
实验源码
task1
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()
实验截图
task2
实验源码
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()
实验截图
实验任务二
task1
实验源码
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()
实验截图
task2
实验源码·
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 i 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()
实验截图
实验任务三
task1
实验源码
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 = 3
for i in range(n):
square(80)
left(360/n)
hideturtle()
done()
main()
实验截图
task2
实验源码
from turtle import *
setup(800, 600)
pencolor('pink')
n = 4
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()
实验源码二
from turtle import *
def square(size = 50, rgb = 'orange'):
#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)
left(360/n)
hideturtle()
done()
main()
实验源码三
from turtle import *
speed(0)
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()
实验截图
实验任务四
实验源码
from turtle import *
setup(800, 600)
bgcolor('black')
pencolor('white')
speed(0)
angle = 0
size = 2
n = 4 # 螺旋n边形
count = 50 # 循环次数
for i in range(count):
fd(size)
angle += 360/n + 1
seth(angle)
size += 5
hideturtle()
done()
实验源码二
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
setheading(angle)
size += 5
hideturtle()
done()
实验截图
实验任务五
task1
实验源码
from turtle import *
penup()
goto(-100,-100)
pendown()
fillcolor('black')
begin_fill()
for i in range(4):
fd(200)
left(90)
end_fill()
penup()
goto(-100,0)
pendown()
setheading(-45)
fillcolor('red')
begin_fill()
for i in range(4):
fd(100*2**0.5)
left(90)
end_fill()
hideturtle()
done()
实验截图
task2
实验源码
from turtle import *
pencolor('blue')
pensize(2)
radians = 20
offset = 20
for i in range(5):
penup()
goto(0,0)
pendown()
fd(radians)
setheading(90)
circle(radians,90)
setheading(270)
fd(radians)
setheading(0)
radians += offset
hideturtle()
done()
实验截图
实验任务六
实验源码
from turtle import *
speed(0)
bgcolor('black')
pencolor('yellow')
fillcolor('yellow')
begin_fill()
setheading(45)
fd(200)
setheading(135)
circle(200,270)
setheading(135)
fd(200)
end_fill()
penup()
goto(0,120)
pendown()
fillcolor('black')
begin_fill()
circle(20)
end_fill()
penup()
goto(-20,120)
pendown()
fillcolor('white')
begin_fill()
circle(5)
end_fill()
hideturtle()
done()
实验截图
标签：turtle,Python,range,实验,import,绘图,def,size From： https://www.cnblogs.com/laix/p/17462879.html