SYNOPSIS:
    SPLINE_TURN_INVIEW x|y|z degrees

DESCRIPTION:
    Turn the spline. Axis are relative to the view camera
    x = around left-right axis (like a ball rolling away from you)
    y = around up/down axis (like a ball spinning on a juggler's finger)
    z = rolling along the camera axis (like the hands of a clock)

SEE ALSO:
    spline, SPLINE_SCALE, SPLINE_TURN_INVIEW, SPLINE_MOVE
