Returns a generator that produces all of the (x, y) tuples in `points` moved over by `movex` and `movey`.

    >>> points = [(0, 0), (5, 10), (25, 25)]
    >>> list(translatePoints(points, 1, -3))
    [(1, -3), (6, 7), (26, 22)]

def translatePoints(points, movex, movey):
    """
    Returns a generator that produces all of the (x, y) tuples in `points` moved over by `movex` and `movey`.

    >>> points = [(0, 0), (5, 10), (25, 25)]
    >>> list(translatePoints(points, 1, -3))
    [(1, -3), (6, 7), (26, 22)]
    """

    # Note: There is no translatePoint() function because that's trivial.
    _checkForIntOrFloat(movex)
    _checkForIntOrFloat(movey)
    try:
        for x, y in points:
            _checkForIntOrFloat(x)
            _checkForIntOrFloat(y)
            yield x + movex, y + movey
    except:
        raise PyBresenhamException('`points` argument must be an iterable of (x, y) points.')