Arguments:
        1) real: x
    Sets the x-coordinate of the 2D world camera's focus point.
Defaults to half of the STG frame's width (center of the playing field).
    Arguments:
        1) real: y
    Sets the y-coordinate of the 2D world camera's focus point.
Defaults to half of the STG frame's height (center of the playing field).
    Arguments:
        1) real: rotation
    Sets the z angle (rotation) of the 2D camera.
    Arguments:
        1) real: zoom
    Sets the zoom of the camera (centered on the focus point).
Defaults to 1.
    Arguments:
        1) real: xZoom
    Sets the magnification of the x axis of the 2D camera (centered on the focus point).
For example, if you set this value to 2, the x axis will be doubled in size.
Defaults to 1.
If you specify a negative value, the x axis will be flipped.
    Arguments:
        1) real: yZoom
    Sets the magnification of the y axis of the 2D camera (centered on the focus point).
For example, if you set this value to 2, the y axis will be doubled in size.
Defaults to 1.
If you specify a negative value, the y axis will be flipped.
Resets both the focus point and the zoom ratio, respectively, to the center of the screen and 1.
    Return Type:
        real
    Returns the x-coordinate of the camera.
    Return Type:
        real
    Returns the y-coordinate of the camera.
    Return Type:
        real
    Returns the z angle (rotation) of the camera.
    Return Type:
        real
    Returns the zoom ratio of the camera.
    Return Type:
        real
    Returns the x zoom ratio of the camera.
    Return Type:
        real
    Returns the y zoom ratio of the camera.