OptionalmaxFlow segments to spend on this spline (equal-arc-length runs). Default OCEAN_MAX_FLOW_SEGMENTS.
OptionalwidthFlow channel width (m). Default spline width + 4.
OptionalbaseDrift speed (m/s) on level runs. Default 0.5.
OptionalslopeAdded speed per unit slope (drop / length). Default 20.
OptionalmaxSpeed cap (m/s). Default 2.5.
Flow derivation options for OceanWaterSpline.