实验8
task3.py
from turtle import * def square(size=50, rgb='orange'): '''绘制正方形 参数size指定边长 参数rgb指定画笔颜色 如果没有给参数,采用默认值 ''' 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() if __name__ == '__main__': main()
task4.py
from turtle import * 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()
task5.py
from turtle import * setup(800, 600) bgcolor('black') pencolor('white') speed(0) angle = 0 size = 2 n = 20 for i in range(n): for j in range(4): fd(size) angle += 72 seth(angle) size += 5 hideturtle() done()
task6.py
def rect(): rgb = tuple(random() for i in range(3)) color(rgb) begin_fill() for i in range(2): fd(20) left(90) fd(60) left(90) end_fill() def main(): goto(-11*20, 0) for i in range(20): rect() fd(20) setup(800, 600) speed(0) main() hideturtle() done()
总结:
深刻理解了angle()等画图函数
这一章的内容确实比前面容易理解,但还要多加练习