/// <summary>
/// Gets the direction to be followed in the given step.
/// </summary>
/// <param name="stepIdx">The index of the step.</param>
/// <returns>The direction to be followed in the given step.</returns>
public int GetStepDirection(int stepIdx)
{
if (stepIdx < 0)
{
throw new IndexOutOfRangeException(string.Format("The requested step index '{0}' shall be greater than 0!"));
}
if (stepIdx >= this.CalculatedStepCount)
{
throw new IndexOutOfRangeException(string.Format("The requested step index '{0}' exceeds the number of calculated steps on this path!"));
}
return(GridDirections.VECTOR_TO_DIRECTION(this.lowLevelPath[stepIdx + 1].Coords - this.lowLevelPath[stepIdx].Coords));
}
