#!/usr/bin/python3
# -*- coding: utf-8 -*-
# -*- mode: Python -*-


'''

This generator print different angle form 0 to 180 degres

v0.1.0

LICENCE : CC

by lapin (aka nipal)

'''

from __future__ import print_function
import time
import argparse
import sys
import math

name="generator::endingPoint"


def debug(*args, **kwargs):
    if( verbose == False ):
        return
    print(*args, file=sys.stderr, **kwargs)

argsparser = argparse.ArgumentParser(description="dummy generator")
argsparser.add_argument("-f","--fps",help="Frame Per Second",default=30,type=int)
argsparser.add_argument("-s","--speed",help="point per frame progress",default=3,type=int)
argsparser.add_argument("-v","--verbose",action="store_true",help="Verbose output")
args        = argsparser.parse_args()

fps=args.fps
verbose=args.verbose
optimal_looptime = 1 / fps
debug(name+" optimal looptime "+str(optimal_looptime))

width = 800
height = 800

white = 0xFFFFFF
blank = 0

radius = 100
offset_circles = 10
beg_angle = 0
end_angle = 90
offset_angle = 10

angles_lines = []
shape = []

def set_angles_lines():
    margin = radius + offset_circles
    spacing_betwen = 2 * radius + offset_circles
    circles_per_line = math.floor((width - margin) / spacing_betwen)

    for ang in range(beg_angle, end_angle + offset_angle, offset_angle):
        nb = int(ang / offset_angle)
        cx = margin + (nb % circles_per_line) * spacing_betwen
        cy = margin + int(nb / circles_per_line) * spacing_betwen

        px = radius * math.cos(math.radians(ang))
        py = radius * math.sin(math.radians(ang))

        # line up
        angles_lines.append([-px + cx, py + cy, blank])
        angles_lines.append([-px + cx, py + cy, white])
        angles_lines.append([      cx,  2 + cy, white])
        angles_lines.append([ px + cx, py + cy, white])
        #angles_lines.append([ px + cx, py + cy, blank])

        # line down
        angles_lines.append([-px + cx, -py + cy, blank])
        angles_lines.append([-px + cx, -py + cy, white])
        angles_lines.append([      cx,  -2 + cy, white])
        angles_lines.append([ px + cx, -py + cy, white])
        #angles_lines.append([ px + cx, -py + cy, blank])


set_angles_lines()

shape = angles_lines
# print(angles_lines)

while True:
  start = time.time()
  print(shape, flush=True);
  looptime = time.time() - start
  if( looptime < optimal_looptime ):
    time.sleep( optimal_looptime - looptime)
    debug(name+" micro sleep:"+str( optimal_looptime - looptime))