def qpoint_sepertation_squared(point_a, point_b):
    """
    find the square of the distance apart of two points
        Args:
            point_a (QPoint) first point
            point_b (QPoint) second point
        Returns:
            the square of the distance from a to b
    """
    difference = point_a - point_b
    return difference.x()*difference.x() + difference.y()*difference.y()