Instance Method


Removes all obstacles from the graph.


func removeAllObstacles()


After removing obstacles, the GKObstacleGraph class automatically creates, removes, or rearranges nodes and edges where necessary to describe the navigable area around the remaining nodes.

See Also

Working with Obstacles

var obstacles: [GKPolygonObstacle]

The list of obstacle objects in the graph, each of which describes a polygon-shaped impassable area.

func addObstacles([GKPolygonObstacle])

Adds new obstacles to the graph.

func removeObstacles([GKPolygonObstacle])

Removes the specified obstacle from the graph.

func nodes(for: GKPolygonObstacle) -> [NodeType]

Returns the group of nodes corresponding to an obstacle in the graph.