Functions.py

import time
import math
from datetime import datetime


def curtime():
    """
    Returns current time in microsecond
    """
    from datetime import datetime
    dt = datetime.now()
    return dt.microsecond


def func_per_second(fn, *args):
    """
    Runs a function every second

    Parameters:
    fn -> Function object
    """

    starttime = curtime()
    while True:
        fn(*args)
        time.sleep((1000.0 - ((curtime() - starttime) % 1000.0)) / 1000)


def get_distance(x1, y1, x2, y2):
    """
    Returns distance two points
    """
    return math.sqrt(pow(abs(x1-x2), 2) + pow(abs(y1-y2), 2))


def get_dict_distance(pos_dict1, pos_dict2):
    """
    Returns distance two positions as dictionaries of format {'x': x_value, 'y': y_value}
    """
    return get_distance(pos_dict1['x'], pos_dict1['y'], pos_dict2['x'], pos_dict2['y'])


def check_within_range(x1, y1, range1, x2, y2):
    """
    Returns boolean whether (x2, y2) is in range of (x1, y1)
    """
    return pow(abs(x1-x2), 2) + pow(abs(y1-y2), 2) <= pow(range1, 2)


def check_dict_within_range(pos_dict1, range1, pos_dict2):
    """
    Returns boolean whether pos_dict2 is in range of pos_dict1
    where the two dictionaries are of format {'x': x_value, 'y': y_value}
    and represent positions
    """
    return check_within_range(pos_dict1['x'], pos_dict1['y'], range1, pos_dict2['x'], pos_dict2['y'])