public override float estimate(Node node)
{
if (node.safeNode)
return GameMode.movement.arcs[goal.id, node.id];
else
return GameMode.movement.arcs[goal.id, node.id] * GameMode.movement.arcs[goal.id, node.id];
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="id">ID of the node</param>
/// <param name="intensity">Intensity</param>
/// <param name="order">When was this parameter called</param>
public Scent(int id, float intensity, Node origin, int order)
: base(id, intensity, origin, order)
{
this.graph = GameMode.smells;
this.location = graph.nodes[id].point;
// If the origin is null, you are generating the smell
if (this.origin == null)
this.origin = graph.nodes[id];
// The factor will be the inverse of the maximum cost
maximum = 0;
for (int i = 0; i != graph.nodes.Count; ++i)
for (int j = 0; j != graph.nodes.Count; ++j)
if (!float.IsPositiveInfinity(graph.arcs[i, j]) & graph.arcs[i, j] > maximum)
maximum = graph.arcs[i, j];
this.factor = maximum * 0.125f;
}
/// <summary>
/// Calculates the ditance between two nodes
/// </summary>
/// <param name="first">First node</param>
/// <param name="second">Second node</param>
/// <returns>Float that represents the distance</returns>
public static float Distance(Node first, Node second)
{
return Vector2.Distance(first.point, second.point);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="goal">Goal node for this heuristic</param>
public SafestHeuristic(Node goal)
: base(goal)
{
}