UBC Eye Movement Data Analysis Toolkit
 
$$$Daria: contains auxiliary functions for math calculations performed within EMDAT
 
Author: Nicholas FitzGerald - nicholas.fitzgerald@gmail.com
 
Basic geometrical helper functions

Modules
		math os random sys

Functions
		add_random_scatter(target, mag) euclidean_distance(point1, point2) opp_direction(direction) rads2degrees(angle) random_angle() random_vector_coords(mag) vector2coords(mag, angle) vector_add(vec1, vec2) vector_difference(point1, point2)