# rotateLine1

# ch31_24_2.py #python
from turtle import *
import random
from time import process_time as pt, strftime, localtime
print(strftime("%H:%M:%S %Y%m%d", localtime()))

def rotateLine(n,n2,y,w,scale,angle,length,a0=-1):
    n1 = n*(1 + (n<5)) #n個頂點
    #a0 = (-1,1)[n>10]
    a = 360//n-1 #if n < 11
    #a = 360/n+a0 #(11,1) (12,1/2) if n >= 11
    hideturtle()
    speed(0)
    bgcolor('black')
    colors = ['red','cyan','violet','yellow','blue','white',
              'orange','purple','cyan','green','red','blue','Magenta',
              'white',(0.46, 0.96, 0.438),'orange',(0.62, 0.56, 0.9),'cyan',
              (0.72, 0.93, 0.064),'white',(0.094, 0.68, 0.57)]
    a1 = len(colors)
    if n < a1+1: x=[]
    else:
        x = [(random.random(),random.random(),random.random())
             for i in range(n-a1)]
    colors.extend(x)
    setpos(0,y)
    a2 = (100,200,300)[(n>10)+(n>20)]

    for i in range(n2):
        color(colors[i%n1])
        width(i/a2+w)
        forward(i*scale) #(7,2.7)
        left(a)
    color(colors[n2%n1])
    width(n2/a2+w)
    [left(-angle),right(angle)][angle > 0]
    forward(length) #(7,70)

    #fn = f'{n}rotateLine.eps'
    #getscreen().getcanvas().postscript(file=fn)
    print(strftime("%H:%M:%S %Y%m%d", localtime()))
    done()
    print(x)
#rotateLine(3,40,0,2.5,20,1.5,45)
#rotateLine(4,60,-5,2.5,10,-3,45)
#rotateLine(5,90,-5,2.5,5.5,-0.75,43)
#rotateLine(6,129,12,1,3.4,1.5,50)
#rotateLine(7,120,0,1,2.7,0,70)
#rotateLine(8,190,5,1,1.6,0,60)
#rotateLine(9,215,5,1,1.25,0,65)
#rotateLine(10,275,5,1,0.85,0,70)
#rotateLine(10,240,5,1,1,-0.5,70)
#rotateLine(11,500,5,0.8,0.45,-0.5,200)
#rotateLine(12,495,5,0.8,0.43,-0.5,170,1/2)
#rotateLine(13,495,5,0.8,0.4,-0.5,160,1/3)
#rotateLine(14,525,5,0.8,0.34,-1,150,1/4)
#rotateLine(15,525,5,0.8,0.31,-1,126,1/3)
#rotateLine(16,760,5,0.5,0.19,-1,100,1/4)
#rotateLine(17,880,5,0.5,0.15,-1,90,1/4)
#rotateLine(17,940,5,0,0.14,-1,90,1/4)
#rotateLine(18,1000,5,0,0.13,-0.5,90,1/4)
#rotateLine(19,1060,5,0,0.12,-0.5,90,1/4)
#rotateLine(20,1120,5,0,0.11,-0.5,95,1/5)
##rotateLine(21,1420,5,0,0.05,-0.5,95,1/10)
##rotateLine(17,880,5,0.5,0.15,-1.5,55,-1/2)
rotateLine(17,580,5,0.5,0.25,-2.5,85,-0.6)

"""Convert image to WebP.
Args: source (pathlib.Path): Path to source image
Returns: pathlib.Path: path to new image
"""
'''from pathlib import Path
from PIL import Image

def convert_to_webp(source):
    destination = source.with_suffix(".webp")  # replaces the current suffix with a new suffix
    image = Image.open(source)  # Open image
    image.save(destination, format="webp")
    return destination
convert_to_webp(Path('4rotateLine.jpg'))'''