Function GridGraph.SetWalkability

void SetWalkability (

bool[]	walkability
IntRect	rect

)

Set walkability for multiple nodes at once.

If you are calculating your graph's walkability in some custom way, you can use this method to copy that data to the graph. In most cases you'll not use this method, but instead build your world with colliders and such, and then scan the graph.

// Perform the update when it is safe to do so
AstarPath.active.AddWorkItem(() => {
var grid = AstarPath.active.data.gridGraph;
// Mark all nodes in a 10x10 square, in the top-left corner of the graph, as unwalkable.
grid.SetWalkability(new bool[10*10], new IntRect(0, 0, 9, 9));
});