GKGraph.FindPath(GKGraphNode, GKGraphNode) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Returns an array of T:GamplayKit.GKGraphNode representing the lowest-cost in-order path. If no path exists, returns an empty array.
[Foundation.Export("findPathFromNode:toNode:")]
public virtual GameplayKit.GKGraphNode[] FindPath (GameplayKit.GKGraphNode startNode, GameplayKit.GKGraphNode endNode);
abstract member FindPath : GameplayKit.GKGraphNode * GameplayKit.GKGraphNode -> GameplayKit.GKGraphNode[]
override this.FindPath : GameplayKit.GKGraphNode * GameplayKit.GKGraphNode -> GameplayKit.GKGraphNode[]
Parameters
- startNode
- GKGraphNode
- endNode
- GKGraphNode
Returns
- Attributes
Remarks
The following demonstrates pathfinding on a simple graph:
var a = GKGraphNode2D.FromPoint (new Vector2 (0, 5));
var b = GKGraphNode2D.FromPoint (new Vector2 (3, 0));
var c = GKGraphNode2D.FromPoint (new Vector2 (2, 6));
var d = GKGraphNode2D.FromPoint (new Vector2 (4, 6));
var e = GKGraphNode2D.FromPoint (new Vector2 (2, 5));
var f = GKGraphNode2D.FromPoint (new Vector2 (2, 2));
a.AddConnections (new [] { b, c }, false);
b.AddConnections (new [] { e, f }, false);
c.AddConnections (new [] { d }, false);
d.AddConnections (new [] { e, f }, false);
var graph = GKGraph.FromNodes(new [] { a, b, c, d, e, f });
var a2e = graph.FindPath (a, e); // [ a, c, d, e ]
var a2f = graph.FindPath (a, f); // [ a, b, f ]