private float Heuristic(IPathfinderNode a, IPathfinderNode b)
{
// Use the locations of the node to estimate how close they are by line of sight
// experiment here with better ways of estimating the distance. This is used to
// calculate the global goal and work out the best order to prossess nodes in
return(Vector3.Distance(a.position, b.position));
}
private float Distance(IPathfinderNode a, IPathfinderNode b)
{
// Use the length of the connection between these two nodes to find the distance, this
// is used to calculate the local goal during the search for a path to a location
float result = float.MaxValue;
IPathfinderNode directConnection = a.connections.Find(c => c == b);
if (directConnection != null)
{
result = tileSize;
}
return(result);
}