/// <summary>
/// Estimates path cost between a and b using selected heuristics function
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public float Heuristic(Vector3 a, Vector3 b)
{
switch (heuristic)
{
case HeuristicsFunction.euclidean:
return(Heuristics.Euclidean(a, b));
case HeuristicsFunction.manhattan:
return(Heuristics.Manhattan(a, b));
case HeuristicsFunction.chebyshev:
return(Heuristics.Chebyshev(a, b));
case HeuristicsFunction.octile:
return(Heuristics.Octile(a, b));
}
return(0);
}