/// <summary>
/// Returns the water level at given location.
/// </summary>
/// <param name="x">x-coordinate</param>
/// <param name="z">z-coordinate</param>
/// <returns>Water level</returns>
private float GetWaterLevel(float x, float z)
{
// return ocean == null ? 0.0f : ocean.GetWaterHeightAtLocation(x, z);
//return 0.0f;
return(waterLevel.GetYWaterLevel(new Vector3(x, 0, z)));
}