def vLerp(start, end, percent):
    """ blend the vector from start to end based on the weight

    :param start: start vector
    :type start: vector 
    :param end: end vector 
    :type end: vector
    :param percent: the weight
    :type percent: float
    :return: the vector in between
    :rtype: vector
    """
    return start + percent * (end - start)