python turtle 太极八卦图

以你之姓@ 2023-02-16 04:21 57阅读 0赞

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMjA0NTgy_size_16_color_FFFFFF_t_70][]

from turtle import *
    import math
    speed(10)
    
    # 设置尺寸为400*400，背景为黄色的画布
    screensize(400, 400, "yellow")
    
    # 太极图
    pencolor("black")
    pensize(3)
    penup()
    goto(0, -100)
    pendown()
    
    fillcolor("black")
    begin_fill()
    circle(100, 180)
    circle(50, -180)
    circle(-50, -180)
    end_fill()
    
    fillcolor("white")
    begin_fill()
    circle(-100, 180)
    circle(-50, 180)
    circle(50, 180)
    end_fill()
    
    penup()
    goto(0, -65)
    pendown()
    pencolor("white")
    begin_fill()
    circle(15)
    end_fill()
    
    penup()
    goto(0, 35)
    pendown()
    pencolor("black")
    fillcolor("black")
    begin_fill()
    circle(15)
    end_fill()
    
    # 八卦图
    pencolor("red")
    pensize(8)
    
    length = 80
    r_list = [160, 180, 200]
    line_lists = [[0, 1, 0, 0, 1, 1, 0, 1],
                  [1, 1, 0, 0, 0, 1, 1, 0],
                  [0, 1, 1, 0, 1, 0, 1, 0]]
    for r, line_list in zip(r_list, line_lists):
        penup()
        goto(0, 0)
        seth(112.5)
        forward(r)
        seth(0)
        pendown()
        side = math.sin(math.radians(22.5))*r*2
        for type in line_list:
            penup()
            forward((side-length)/2)
            pendown()
            if type is 0:
                forward(length)
            else:
                forward(length*0.375)
                penup()
                forward(length*0.25)
                pendown()
                forward(length*0.375)
            penup()
            forward((side-length)/2)
            pendown()
            right(45)

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMjA0NTgy_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20200608091316338.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMjA0NTgy,size_16,color_FFFFFF,t_70