The distance from obstacle edges that should also be considered impassable.
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
- tvOS 9.0+
You set this property when creating a graph with the
init(obstacles: initializer. Use the
buffer initializer parameter to take the size of potential travelers into account when determining navigability. After initialization, you can use this property to examine the buffer radius the graph was created with—for example, to draw a debugging overlay in your game UI that indicates passable and impassable areas.