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


'''

This generator print 3 static vertical line.
The aim is to show The aim is to show the laser beam ignition time.
beam when ther is no optimisation

v0.1.0

LICENCE : CC

by lapin (aka nipal)

'''

from __future__ import print_function
import time
import argparse
import sys

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))

white = 0xFFFFFF
blank = 0
offset_y = 100
offset_x = 50

begin_x = 200
begin_y = 200

shape_factor = [
        [0, 0, white],
        [0, 1, blank],
        [1, 1, white],
        [1, 0, blank],
        [2, 0, white],
        [2, 1, blank],
        [2, 1, blank],
]

shape = []

for point in shape_factor:
    shape.append([begin_x + offset_x * point[0],
                  begin_y + offset_y * point[1],
                  point[2]])


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))