fractal2.py 文件源码

def rectriangle(x, y, s):
    th = s*S3/4
    cr = S3*s/12
    stepest = int(math.log2(s))+2
    triangle(x, y, s, colors[stepest%len(colors)])
    circle(x+s/2-cr, y+th-cr*2, cr*2, colors[(stepest+1)%len(colors)])
    if s >= SIZE_LIMIT:
        s /= 2
        root.after(DELAY, rectriangle, x, y, s)
        root.after(DELAY+100, rectriangle, x+s, y, s)
        root.after(DELAY+200, rectriangle, x+s/2, y+th, s)
        root.after(DELAY+300, rectriangle, x+3/4*s, y+S3/4*s, s/2)